TW201232996A - Battery heating circuit - Google Patents

Abstract

The present invention provides a battery heating circuit. The battery heating circuit comprises a switchgear, a switch control module, a damping element and an energy storage circuit. The energy storage circuit for connecting with the battery comprises a first current storage element and a first charge storage element. The damping element, the switchgear, the first current storage element and the first charge storage element are connected in series. The switch control module is connected with the switchgear for controlling the switchgear to switch on and off so that energy flows reciprocatingly between the battery and the energy storage circuit when the switchgear is switched on. The heating circuit provided in the invention can improve charge-discharge performance of the battery, improve security when heating the battery and effectively protect the battery.

Description

201232996 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to the field of electronic device technology, and more particularly to a heating circuit for a battery. [Prior Art] [0002] Considering that a car needs to travel under complicated road conditions and environmental conditions, or some electronic devices need to be used in poor environmental conditions, a battery that is a power source for an electric vehicle or an electronic device needs to be adapted. These complicated situations. In addition to the need to consider these conditions, you also need to consider the battery life and battery charge and discharge loop performance, especially when the electric vehicle or electronic equipment is in a low temperature environment, it is more desirable that the battery has excellent low temperature charge and discharge performance and higher Input and output power performance. In general, if the battery is charged under low temperature conditions, the impedance of the battery will increase and the polarization will increase, resulting in a decrease in the capacity of the battery, which ultimately leads to a decrease in battery life. SUMMARY OF THE INVENTION [0003] An object of the present invention is to provide a heating circuit for a battery in which the battery causes an increase in impedance of the battery and an increase in polarization to cause a decrease in capacity of the battery under low temperature conditions. In order to maintain the capacity of the battery under low temperature conditions and to improve the charge and discharge performance of the battery, the present invention provides a heating circuit for a battery. The heating circuit of the battery provided by the invention comprises a switching device, a switch control module, a damping element R1 and a storage circuit, wherein the energy storage circuit is connected to the battery, and the energy storage circuit comprises a first current memory element L1 And the first charge storage element C1, the damping element R1 and the switching device are connected in series with the energy storage circuit of 1013113152-0, the switching control module is connected with the switching device for controlling the switch The device is turned on and off such that when the switching device is turned on, energy flows back and forth between the battery and the tank circuit. The heating circuit provided by the invention can improve the charge and discharge performance of the battery, and since the energy storage circuit is connected in series with the battery in the heating circuit, when the battery is heated, the switch can be avoided due to the presence of the first charge memory element ci connected in series. The safety problem caused by excessive current when the device is short-circuited can effectively protect the battery. Other features and advantages of the invention will be described in detail in the detailed description which follows. [Embodiment] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are intended to be illustrative and not restrictive. It should be noted that, unless otherwise specified, the term "switch control module" is used to control the output of a corresponding control command (for example, a pulse waveform having a corresponding duty ratio) according to a set condition or a set time. A controller that is turned on or off correspondingly to a switching device connected thereto, for example, may be a PLC (Programmable Controller) or the like; when referred to hereinafter, the term "switch" refers to an on-off control that can be realized by an electrical signal or according to a The switch of the device itself can realize the on-off control, which can be a one-way switch, such as a one-way switch composed of a bidirectional switch and a diode in series, or a bidirectional switch, such as a metal oxide semiconductor field. Metal Oxide Semiconductor Field Effect Transistor (MOSFET) or IGBT with reversed-current diode (Insulated 10014313) (P-No. A_ Page 5 of 56 Page 1013113152-0 201232996

Gate Bipolar Transistor, insulated gate bipolar transistor, etc.; as mentioned below, the term "bidirectional switch" refers to a dual-guide that can be controlled by an electrical signal or with on-off control based on the characteristics of the component itself. a switch, such as a MOSFET or an IGBT with an anti-freewheeling diode; when referred to hereinafter, a unidirectional semiconductor component refers to a semiconductor component having a unidirectional conduction function, such as a diode, etc.; In time, the term "charge memory element" refers to any device that can implement charge storage, such as a capacitor, etc.; as referred to hereinafter, the term "current memory element" refers to any device that can store current, such as an inductor, etc.; The term "forward" refers to the direction in which energy flows from the battery to the tank circuit. The term reverse refers to the direction in which energy flows from the tank circuit to the battery; as referred to hereinafter, the term "battery" includes primary batteries (eg, dry batteries, inspections). Battery, etc.) and secondary batteries (such as lithium-ion batteries, nickel-cadmium batteries, nickel-hydrogen batteries or lead-acid batteries) Pool, etc.); as referred to hereinafter, the term "damping element" refers to any device that, by obstructing the flow of current to achieve energy consumption, such as electrical resistance, etc.; when referred to hereinafter, the term "main circuit" refers to a battery and A circuit consisting of a damping element, a switching device, and a storage circuit in series. It should also be noted here that, in consideration of the different characteristics of different types of batteries, in the present invention, "battery" may refer to an inductance value that does not include internal parasitic resistance and parasitic inductance, or internal parasitic resistance and parasitic inductance. A smaller ideal battery can also be a battery pack that contains internal parasitic resistance and parasitic inductance. Therefore, those skilled in the art should understand that when the "battery" is not containing internal parasitic resistance and parasitic inductance, or the resistance of the internal parasitic resistance and the parasitic inductance inductance value is small, the number is 1013113152-0, page 6 of 56 Page 201232996 When thinking about the battery, the damping element R1 refers to the external damping element of the battery, the first current memory element L1 refers to the current memory element outside the battery; when the "battery" is the battery pack containing the internal parasitic resistance and parasitic inductance The damping element R1 may be referred to as a damping element outside the battery or a parasitic resistance inside the battery pack. Similarly, the first current memory element L1 may be referred to as a current memory element outside the battery or as a battery pack. Parasitic inductance. In the embodiment of the present invention, in order to ensure the service life of the battery, the battery needs to be heated at a low temperature. When the heating condition is reached, the heating circuit is controlled to start working, and the battery is heated, and when the heating condition is stopped, the control is performed. The heating circuit stops working. In the practical application of the battery, as the environment changes, the heating condition of the battery and the stop heating condition can be set according to the actual environmental conditions to more accurately control the temperature of the battery, thereby ensuring the charge and discharge performance of the battery. In order to heat the battery E in a low temperature environment, the present invention provides a heating circuit for the battery E. As shown in FIG. 1, the heating circuit includes a switching device 1, a damping element R1, a switch control module 100, and an energy storage device. a circuit for connecting the battery E in series, the energy storage circuit comprising a first current memory element L1 and a first charge memory element C1, the damping element R1, the switching device 1, the first current memory The component L1 is connected in series with the first charge memory component C1, and the switch control module 100 is connected to the switch device 1, and the switch control module 100 is used to control the switch device 1 to be turned on and off so that when the switch device 1 is turned on The energy reciprocates between the battery E and the energy storage circuit. Considering the different characteristics of different types of battery E, if the internal E1 of the battery E is 1013113152-0 1{)() 14313 (^ single number A0101, page 7 / page 56, 201232996, the parasitic resistance and the parasitic inductance are relatively high, The damping element may also be a parasitic resistance inside the battery, and the first current memory element li may also be a parasitic inductance inside the battery. According to an embodiment of the invention, the first charge storage element C1 and the A plurality of switching devices 1 are provided, and the first charge storage element C1 and the switching device 1-- are connected in series to form a plurality of branches, and the plurality of branches are connected in parallel with the first current memory element L1 and the damping element R1. The switch control module 100 controls the turn-on and turn-off of each of the switch devices i, thereby controlling whether the energy storage circuit connected in series with the switch device i is connected to the battery E. Preferably, the switch control module (10) controls the switch device 1 So that energy flows from the battery E to the plurality of energy storage circuits at the same time, and energy flows from the respective storage 7 circuits to the battery E in sequence. In this embodiment, the battery E discharges when the current flows in the forward direction. The storage circuit is simultaneously connected to the battery to increase the current. When the current flows in the opposite direction, the battery E is charged. At this time, the energy storage circuit can be sequentially connected to the battery E to reduce the current flowing through the battery e. The switch device m storage circuit is connected in series, and the energy reciprocating flow between the battery e and the energy storage circuit can be realized when the switch is turned on. The switch device α has various implementation manners, and the implementation manner of the switch device is not limited. In an embodiment, the switch is spoofed as a first bidirectional switch Κ3, as shown in Fig. 2. The switch control module 100 controls the turning on and off of the first bidirectional switch Κ3 when the battery needs to be twisted. Turn on the first bidirectional switch Κ3, such as suspending heating or turning off the first bidirectional switch Κ3 when heating is not required. Separately using a first bidirectional switch Κ3 to realize a simple switching circuit, occupying a small system area, and being easy to implement , but the circuit function is obviously limited to 10〇14313 (Ρ 施 01 帛 8 pages / total 56 pages 1013113152-0 201232996 limitations, such as the reverse current can not be turned off, etc. The invention also provides a preferred embodiment of the switching device 1 as follows. Preferably, the switching device 1 comprises a first one-way branch for energy flow from the battery to the energy storage circuit and for enabling energy to flow from the energy storage circuit to the battery The second one-way branch, the switch control module 100 is respectively connected to one or both of the first one-way branch and the second one-way branch for controlling the connected branch Turning on and off. When the battery needs to be heated, turning on both the first one-way branch and the second one-way branch, such as suspending heating, may choose to turn off the first one-way branch and the second one-way branch One or both, when the heating is not required, both the first one-way branch and the second one-way branch can be turned off. Preferably, both the first one-way branch and the second one-way branch are controllable by the switch control module 100 such that energy forward flow and reverse flow can be flexibly implemented. As another embodiment of the switching device 1, as shown in FIG. 3, the switching device 1 may include a second bidirectional switch K4 and a third bidirectional switch K5, the second bidirectional switch K4 and the third bidirectional switch K5 being mutually Reversely connected in series to form the first one-way branch and the second one-way branch, the switch control module 100 is respectively connected to the second bidirectional switch K4 and the third bidirectional switch K5 for controlling The two bidirectional switches K4 and the third bidirectional switch K5 are turned on and off to control the on and off of the first one-way branch and the second one-way branch. When the battery needs to be heated, the second bidirectional switches K4 and K5 may be turned on. For example, if the heating is suspended, one or both of the second bidirectional switch K4 and the third bidirectional switch K5 may be turned off, and the heating is not required. The second bidirectional switch K4 and the third bidirectional switch K5 can be broken. The implementation of the switching device 1 is capable of controlling the conduction and deactivation of the first one-way branch and the second one-way branch, respectively, to flexibly realize the forward and reverse energy flow of the circuit. 1001431#Item number deletion 1 Page 9/56 page 1013113152-0 201232996 As another embodiment of the switching device 1, as shown in FIG. 5, the switching device 1 may include a first switch K6, a first one-way The semiconductor element D11 and the second unidirectional semiconductor element 1)12, the first switch Κ6 and the first unidirectional semiconductor element D11 are connected in series to each other to constitute the first unidirectional branch, and the second unidirectional semiconductor element D12 constitutes the first The two-way branch switch control module 100 is connected to the first switch K6 for controlling the on and off of the first one-way branch by controlling the on and off of the first switch Κ6. In the switching device 1 shown in Fig. 5, when heating is required, the first switch Κ6 can be turned on, and when the heating is not required, the _ switch Κ6 can be turned off. The implementation of the switching device 如 as shown in Fig. 5, while realizing the flow of energy back and forth along relatively independent branches, does not enable the shutdown function when the energy is reversed. The present invention also proposes another embodiment of the switch device 2, as shown in FIG. 6, the switch device 丨 may further include a second opening 7 located in the first unidirectional branch towel, the second opening 7 In series with the first unidirectional half V body element D12, the switch control module 1 〇〇 is further connected to the second switch Κ7 for controlling the second unidirectional branch by controlling the conduction and the off of the second switch Κ7. Turn on and off. Thus, in the switching device 1 shown in Fig. 6, since the switches (i.e., the first switch Κ6 and the second switch Κ7) are present on both of the one-way branches, the shutdown function of the forward and reverse flow of energy is provided. . Preferably, the switching device 1 may further comprise a resistor in series with the first one-way branch and/or the second one-way branch for reducing the current of the battery heating circuit and avoiding excessive current in the circuit to the battery Cause damage. For example, a resistor R6 connected in series with the second bidirectional switch Κ4 and the second bidirectional switch Κ5 may be added to the switching device 1 shown in Fig. 3 to obtain a switching device implementation as shown in Fig. 4. Figure 7 also shows the switch-loaded Lina thief brain. 1 S W page/total 56 page 1013113152-0 201232996 An embodiment of the first embodiment is obtained by series-connecting a resistor R2 and a resistor R3 on two unidirectional branches in the switching device 1 shown in FIG. According to the technical solution of the present invention, when it is required to heat the battery E, the switch control module 100 controls the switching device 1 to be turned on, the battery E and the energy storage circuit are connected in series to form a loop, and the battery E charges the first charge storage element C1 as a loop. When the current in the current passes through the current peak and the positive direction is zero, the first charge storage element C1 starts to discharge, and the current flows from the first charge storage element C1 back to the battery E, and the forward and reverse currents in the loop flow through the damping element R1. The purpose of heating the battery E can be achieved by the heat generation of the damping element R1. The charging and discharging process is performed in a loop. When the temperature of the battery E rises to the stop heating condition, the switch control module 100 can control the switching device 1 to be turned off, and the heating circuit stops working. During the above heating process, when current flows from the tank circuit back to the battery E, the energy in the first charge memory element C1 does not completely flow back to the battery E, but some energy remains in the first charge memory element C1. Finally, the voltage of the first charge storage element C1 is finally made close to or equal to the battery voltage, so that the energy flow from the battery E to the first charge storage element C1 cannot be performed, which is disadvantageous for the loop operation of the heating circuit. Therefore, in the preferred embodiment of the present invention, an additional unit that superimposes the energy in the first charge storage element C1 and the energy of the battery E, and transfers the energy in the first charge storage element C1 to other energy storage elements is added. . When a certain time is reached, the switching device 1 is turned off, and the energy in the first charge storage element C1 is superimposed, transferred, and the like. The switching device 1 can be turned off at any time point in one cycle or a plurality of cycles; the turn-off time of the switching device 1 can be any time, for example, when the current in the loop is forward/reverse, zero time/not Shutdown can be implemented at zero hour. According to the required shutdown strategy, you can choose to open 1013113152-0 1 () {) 14313 {^ single number A0101 page 11 / 56 page 201232996 different implementations of the device 1, if only need to achieve forward current flow For the shutdown, the implementation form of the switching device 1 shown in, for example, FIG. 2 and FIG. 5 can be selected. 'If both the forward current and the reverse current are required to be turned off, it is necessary to select FIG. 4 and FIG. The two-way branch controllable switching device shown in Fig. 7 and Fig. 7 is shown. Preferably, the switch control module 100 is used to turn off the switch device 1 when the current flowing through the switch device 1 is zero after the switch device 1 is turned on or zero, so that the loop efficiency is high, and the current in the loop is The zero re-shutdown switching device 1 has less influence on the entire circuit. According to a preferred embodiment of the present invention, as shown in FIG. 8, the heating circuit provided by the present invention may include an energy superimposing unit connected to the energy storage circuit for turning on and off the switching device 1 Thereafter, the energy in the tank circuit is superimposed with the energy in the battery E. The energy superimposing unit enables the battery E to charge the superposed energy into the first charge storage element C1 when the switching device 1 is turned on again, thereby improving the operating efficiency of the heating circuit. According to an embodiment of the present invention, as shown in FIG. 9, the energy superimposing unit includes a polarity inversion unit 102 connected to the energy storage circuit for turning on and off the switching device 1 After the disconnection, the polarity of the voltage of the first charge storage element C1 is reversed, and the polarity of the voltage of the first charge storage element C1 after the polarity inversion is in series with the voltage polarity of the battery E, when the switching device 1 is turned on again. At this time, the energy in the first charge storage element C1 can be superimposed with the energy in the battery E. As an embodiment of the polarity inversion unit 102, as shown in FIG. 10, the polarity inversion unit 102 includes a first single pole double throw switch J1 and a second single pole double throw switch J2, the first single pole double throw switch J1 and the second single pole double throw switch J2 are respectively located at both ends of the first charge memory element C1, and the 1013113152-0 page 12/56 pages 201232996 the first single pole double throw switch ji is connected to the energy storage line. In the circuit, a first output line of the first single-pole double-throw switch J1 is connected to a first plate of the first charge memory element C1, and an i-out line of the first single-pole double-throw switch J1 is connected to the first a second plate of a charge storage element C1, an incoming line of the second single-pole double-throw switch J2 is connected in the energy storage circuit, and a first outgoing line of the second single-pole double-throw switch J2 is connected to the first a second plate of the charge storage device C1, a second outlet of the second single-pole double-throw switch J2 is connected to the first plate of the first charge storage element C1, and the switch control module 100 is also The first single pole double throw switch J1 and the second single pole double throw switch J2 are respectively connected, For reversing the voltage polarity of the first charge storage element C1 by changing the connection relationship between the incoming and outgoing lines of the first single-pole double-throw switch J1 and the second single-pole double-throw switch J2, according to the above implementation In a manner, the connection relationship between the incoming and outgoing lines of the first single-pole double-throw switch J1 and the second single-pole double-throw switch J2 may be set in advance, so that when the switching device K1 is turned on, the first single-pole double-throw switch J1 The incoming line is connected to the first outgoing line, and the incoming line of the second single-pole double-throw switch J2 is connected to the first outgoing line. When the switching device K1 is turned off, the first single-pole double-throw switch J1 is controlled by the switch control module 100. The incoming line is switched to be connected to its second outgoing line, and the incoming line of the second single-pole double-throw switch J2 is switched to be connected to its second outgoing line, thereby achieving the purpose of inverting the polarity of the voltage of the first charge storage element C1. As another embodiment of the polarity inversion unit 102, as shown in FIG. 11, the polarity inversion unit 102 includes a third unidirectional semiconductor element D3, a second current memory element L2, and a third switch K9, A charge memory element C1, a second current memory element L2, and a third switch K9 are sequentially connected in series with 1QQ14313 (^, single number A0101, page 13 / page 56, 1013113152-0 201232996, the third unidirectional semiconductor element D3 and Connected between the first charge storage element C1 and the second current memory element L 2 or the second current memory element L2 and the third switch K9, the switch control module 100 and the third switch K9 The connection is used to invert the voltage polarity of the first charge memory element C1 by controlling the third switch K9 to be turned on. According to the above embodiment, when the switch device 1 is turned off, the switch control module 100 can be controlled. The third switch K9 is turned on, whereby the first charge storage element C1 forms a LC oscillation circuit with the third unidirectional semiconductor element D3, the second current memory element L2, and the third switch K9, and the first charge memory element C1 passes The two current memory element L2 is discharged, and the current flowing through the second current memory element L2 reaches zero after the current flowing through the second current memory element L2 reaches the polarity reverse polarity of the first charge memory element C1. In another embodiment of the unit 102, as shown in FIG. 12, the polarity inversion unit 102 includes a first DC-DC module 2 and a second charge memory element C2, and the first DC-DC module 2 and the The first charge memory element C1 and the second charge memory element C2 are respectively connected, and the switch control module 100 is further connected to the first DC-DC module 2 for controlling the first DC-DC module 2 Working to transfer energy in the first charge storage element C1 to the second charge storage element C2, and to reversely transfer energy in the second charge storage element C2 back to the first charge storage element C1 In order to achieve the inversion of the polarity of the voltage of the first charge memory element C1. The first DC-DC module 2 is a DC-DC converter circuit commonly used in the art for realizing voltage polarity inversion, Invented the specific circuit junction of the first DC-DC module 2 Any limitation is imposed as long as the voltage polarity inversion of the first charge storage element C1 can be reversed, and those skilled in the art can 10014313 (^ single number A0101 page 14/56 pages 1013113152-0 201232996 according to actual operation. It is necessary to add, replace or delete the components in the circuit. Fig. 13 is an embodiment of the first DC-DC module 2 provided by the present invention, as shown in Fig. 13, the first DC- The DC module 2 includes: a bidirectional switch Q1, a bidirectional switch _2, a bidirectional switch Q3, a double (four) _4, a first transformer T1, a unidirectional semiconductor component D4, a unidirectional semiconductor component 卯, a current memory component L3, a bidirectional switch q5, a bidirectional switch Handsome, second transformer τ2, unidirectional semiconductor device 卯, unidirectional semiconductor device, and unidirectional semiconductor device D8. In this embodiment, the bidirectional ON_, bidirectional switch Q2, bidirectional switch Q3, and bidirectional switch Q4 are both MOSFETs, and the bidirectional switch 卯 and the bidirectional switch (8) are IGBTs. Wherein the first transformer pin, the 4 pin and the 5 pin are the same name end, and the 2nd pin and the 3 pin of the second transformer Τ2 are the same name end. Wherein, the anode of the unidirectional semiconductor component D7 is connected to the capacitor (the & terminal of the 1st, the cathode of the unidirectional half V body component D7 and the bidirectional switch and the bidirectional switch of the bidirectional opening 2) Which drain is connected, the source of the bidirectional open_2 is connected to the drain of the bidirectional switch Q4, and the source of the bidirectional switch (10) and the bidirectional open_4 is connected to the b terminal of the capacitor C1, thereby forming a full bridge, a path, and thus The voltage polarity of the capacitor C1 is positive at the 3 terminals and negative at the b terminal. In the *Hai full bridge circuit, the bidirectional switch Q1, the bidirectional switch Q2 is the upper arm, the switch Q3, and the bidirectional switch are the lower arm, the whole The bridge circuit is connected to the second charge storage element C2 through the transformer T1; the first leg of the first transformer τι is connected to the first node N1, the second leg is connected to the second node, and the 3 pin and the 5 pin are respectively connected to the unidirectional semiconductor The element D4 and the anode 10014313 of the unidirectional semiconductor element D 5 are connected to one end of the current storage element L3, and the cathode is connected to one end of the current storage element L3, the single-phase semiconductor element D4 and the 1013113152-0 of the unidirectional semiconductor element D5 are connected. The other end of the current memory element L3 and the second charge The d terminal of the component C2 is connected; the 4 pin of the repeater T1 is connected to the c terminal of the second charge memory element C2, and the anode of the unidirectional semiconductor component]) 8 is connected to the d terminal of the second charge memory component C2, one direction The cathode of the semiconductor element D8 is connected to the b terminal of the first charge memory element ci. At this time, the voltage polarity of the second charge memory element C2 is negative at the c terminal and positive at the d terminal. The c terminal of the second charge memory device C2. The collector of the bidirectional switch Q5 connected to the bidirectional switch Q5 is connected to the pin 2 of the transformer T2, and the pin 1 of the transformer T2 is connected to the a terminal of the first charge memory element C1, and the pin 4 of the T2 is the first charge. The a terminal of the memory element C1 is connected, the 3 pin of the transformer T2 is connected to the anode of the unidirectional semiconductor element D6, the cathode of the unidirectional semiconductor component]6 is connected to the collector of the bidirectional switch Q6, and the emitter and the second charge of the bidirectional switch q6 are connected. The b-end of the memory element C2 is connected. The bidirectional switch Q1, the bidirectional switch Q2, the bidirectional switch q3, the bidirectional switch Q4, the bidirectional switch Q5 and the bidirectional switch Q6 are respectively turned on and off by the control of the switch control module 100. The following describes the working process of the first DC-DC module 2: 1. After the switching device 1 is turned off, the switch control module 1 〇〇 controls the bidirectional switch Q5, the bidirectional switch Q6 is turned off, and the control is performed. The bidirectional switch... and the bidirectional switch Q4 are simultaneously turned on to form the A phase, the bidirectional switch q2 is controlled, and the bidirectional switch 叩 is simultaneously turned on to form the B phase, and the human phase and the B phase are alternately turned on to form a full bridge circuit for operation; When the full bridge circuit is operated, the energy on the first charge storage element π is transferred to the second charge storage element 1013113152 through the first transformer T1, the unidirectional semiconductor element M, the unidirectional semiconductor element D5, and the current memory element L3. 0 C2, at this time, the voltage polarity of the second charge memory element C2 is negative at the c-end '1〇()14313{^单号A0101 Page 16/56 pages 201232996 The d-end is positive. 3. The switch control module 100 controls the bidirectional switch Q5 to be turned on, and the first charge storage element C1 forms a path through the second transformer T2 and the unidirectional semiconductor element D8 and the second charge storage element C2, thereby, the second charge storage element The energy on C2 is reversely transferred to the first charge storage element C1, wherein part of the energy is stored on the second transformer T2; at this time, the switch control module 100 controls the bidirectional switch Q5 to be turned off and the bidirectional switch Q6 to be closed. Transferring the energy stored on the second transformer T2 to the first charge storage element C1 through the second transformer T2 and the unidirectional semiconductor element D6 to achieve reverse charging of the first charge storage element C1, at which time the first charge memory The polarity of the voltage of the element C1 is reversed such that the a terminal is negative and the b terminal is positive, thereby achieving the purpose of reversing the polarity of the voltage of the first first charge storage element C1. In order to recycle energy in the energy storage circuit, in accordance with a preferred embodiment of the present invention, as shown in FIG. 14, the heating circuit provided by the present invention may include an energy transfer unit, the energy transfer unit and the energy storage The circuit is connected to transfer energy in the energy storage circuit to the energy storage element after the switching device 1 is turned on and then turned off. The energy transfer unit aims to recycle energy in the storage circuit. The energy storage component can be an external capacitor, a low temperature battery or a power grid, and other electrical equipment. Preferably, the energy storage component is a battery E provided by the present invention, and the energy transfer unit includes a power recharge unit 103, and the power recharge unit 103 is connected to the energy storage circuit for being turned on at the switch device 1. After turning off again, the energy in the tank circuit is transferred to the battery E as shown in Fig. 15. According to the technical solution of the present invention, after the switching device 1 is turned off, the energy in the energy storage circuit is transferred to the energy transfer unit through the energy 1013113152-0 1{){) 14313 {^ single number A0101 page 17 / 56 page 201232996 In the battery E, the transferred energy can be recirculated after the switching device 1 is turned on again, and the operating efficiency of the heating circuit is improved. As an embodiment of the power recharging unit 103, as shown in FIG. 16, the power recharging unit 103 includes a second DC-DC module 3, the second DC-DC module 3 and the first electric charge. The memory component C1 and the battery E are respectively connected, and the switch control module 100 is further connected to the second DC-DC module 3 for controlling the second DC-DC module 3 to operate the first charge. The energy in the memory element C1 is transferred to the battery. The second DC-DC module 3 is a DC-DC converter circuit commonly used in the art for implementing energy transfer. The present invention does not impose any limitation on the specific circuit structure of the second DC-DC module 3, as long as it can be implemented. The energy of the first charge storage element C1 can be transferred, and those skilled in the art can add, replace or delete the components in the circuit according to the actual operation. FIG. 17 is an embodiment of the second DC-DC module 3 provided by the present invention. As shown in FIG. 17, the second DC-DC module 3 includes: a bidirectional switch S1, a bidirectional switch S2, and a bidirectional switch. S3, a bidirectional switch S4, a third transformer T3, a current memory element L4, and four unidirectional semiconductor elements. In this embodiment, the bidirectional switch S1, the bidirectional switch S2, the bidirectional switch S3, and the bidirectional switch S4 are all MOSFETs. Wherein the 1st pin and the 3rd leg of the third transformer T3 are the same name end, and the negative electrodes of the two unidirectional semiconductor elements of the four unidirectional semiconductor elements are connected in groups, and the contacts pass through the current memory element L4 and the battery E The positive terminal is connected, the other two unidirectional semiconductor elements are connected in a positive group, the contacts are connected to the negative terminal of the battery E, and the connection points between the groups and the third transformer T3 are respectively 3 feet and 10014313^^ « A0101 Page 18 of 56 Page 1013113152-0 201232996 4 feet connected, thus forming a bridge rectifier circuit. The source of the bidirectional switch S1 is connected to the drain of the bidirectional switch S3, the source of the bidirectional switch S2 is connected to the drain of the bidirectional switch S4, the drain of the bidirectional switch si, the bidirectional switch S 2 and the first charge memory element c The positive terminal of 1 is connected, and the source of the bidirectional switch S3 and the bidirectional switch S4 is connected to the negative terminal of the first charge storage element C1, thereby constituting a full bridge circuit. In the full bridge circuit, the bidirectional switch S1, the bidirectional switch S2 is the upper arm, the bidirectional switch S3, the bidirectional switch S4 is the lower arm, and the third transformer has the 1 pin of the 3 and the bidirectional switch S1 and the bidirectional switch S3. Node connection, node connection between pin 2 and bidirectional switch S2 and bidirectional switch S4. The bidirectional switch S1, the bidirectional switch S2, the bidirectional switch S3, and the bidirectional switch S4 are respectively turned on and off by the control of the switch control module 1 〇 . The following describes the working process of the second DC-DC module 3: 1 'After the switching device 1 is turned off, the switch control module 1 〇〇 controls the bidirectional switch S1 and the bidirectional switch S4 to be simultaneously turned on to constitute Eight phases, control bidirectional switch Q S2, bidirectional switch S3 is simultaneously turned on to form b phase, and is controlled by controlling the eight-phase and B-phase alternately conducting to form a full-bridge circuit; 2. when the full-bridge circuit is working, The energy on a charge storage element C1 is transferred to the battery through the third transformer T3 and the rectifying circuit, which converts the input alternating current into a direct current output to the battery E for the purpose of recharging the electric quantity. In order to enable the heating circuit provided by the present invention to recover the energy in the energy storage circuit while improving the working efficiency, according to a preferred embodiment of the present invention, as shown in FIG. 18, the heating circuit provided by the present invention may include Energy superposition and transfer unit, the energy superimposition and 'w 10014313 (^ single number ΑΟίοι page 19 / total page 56 early 1013113152-0 201232996 are connected to the energy storage circuit for after the switch device 1 is turned on and then turned off 'Transfer the energy of the energy storage wipes to the energy storage component towel, and then superimpose the energy of the energy storage circuit with the energy of the battery towel. The energy superposition and transfer single can improve the efficiency of the heating circuit. The energy in the energy storage circuit can be recycled. The superposition of the remaining energy in the circuit of the moon b and the energy in the battery can be achieved by inverting the polarity of the voltage of the first charge storage element C1. When the polarity of the voltage of the charge storage element C1 is reversed, its polarity is in series with the voltage polarity of the battery E, thereby, when the next turn-on switch When set to 1, the energy in the battery E can be superimposed with the energy in the first-charge memory element C1. Therefore, according to an embodiment, as shown in Fig. 19, the energy superimposing and transferring unit includes a DC-DC module. 4. The DC-DC module 4 is respectively connected to the first electrical and C memory component ci and the battery, and the switch control wedge group 100 is further connected to the DC-DC module 4 for controlling DC The -DC module 4 operates to transfer the energy in the first charge-charge memory element C1 to the charge-distributing element' and then superimpose the remaining energy in the first-charge memory element C1 with the energy in the battery. The K-DC module 4 is a DC-DC converter circuit commonly used in the art for implementing energy transfer and DX-reversal. The present invention does not impose any limitation on the specific circuit structure of the DC-DC module 4 as long as the The energy transfer and voltage polarity inversion of a charge memory element 即可 can be performed, and those skilled in the art can add, replace or delete components in the circuit according to the needs of actual operation. 10014313(P^A〇101 (4) The implementation of the team-DC module 4, such as the first _ Shown, DC DC electrode group 4 comprising: bidirectional switching, the bidirectional switch 10101 ^ on ^ switch Page 20/56 Total 201 232 996 1013113152-0

S3, bidirectional switch S4, bidirectional switch S5, bidirectional switch S6, fourth transformer T4, unidirectional semiconductor element D13, unidirectional semiconductor element D14, current memory element L4, and four unidirectional semiconductor elements. In this embodiment, the bidirectional switch S1, the bidirectional switch S2, the bidirectional switch S3, and the bidirectional switch S4 are all MOSFETs, and the bidirectional switch S5 and the bidirectional switch S6 are IGBTs. The 1st and 3rd pins of the fourth transformer T4 have the same name. The two unidirectional semiconductor elements of the four unidirectional semiconductor elements are connected in a group of contacts. The contacts are connected to the positive terminal of the battery E through the current memory element L4, and the positive electrodes of the other two unidirectional semiconductor elements are connected to each other. The group is connected to the negative terminal of the battery E, and the connection point between the group and the group is connected to the 3rd and 4th pins of the third transformer T3 through the bidirectional switch S5 and the bidirectional switch S6, respectively, thereby forming a bridge rectifier circuit . The source of the bidirectional switch S1 is connected to the drain of the bidirectional switch S3, the source of the bidirectional switch S2 is connected to the drain of the bidirectional switch S4, and the drains of the bidirectional switch S1 and the bidirectional switch S2 are passed through the unidirectional semiconductor component D13 and the The positive terminal of the charge storage element C1 is connected, and the source of the bidirectional switch S3 and the bidirectional switch S4 is connected to the negative terminal of the first charge storage element C1 via the unidirectional semiconductor element D14, thereby constituting a full bridge circuit. In the full bridge circuit, the bidirectional switch S1, the bidirectional switch S2 is the upper arm, the bidirectional switch S3, the bidirectional switch S4 is the lower arm, the node of the fourth transformer 14 and the node between the bidirectional switch S1 and the bidirectional switch S3 Connection, 2 pin and node connection between bidirectional switch S2 and bidirectional switch S4. The bidirectional switch S1, the bidirectional switch S2, the bidirectional switch S3 and the bidirectional switch S4, the bidirectional switch S5 and the bidirectional switch S6 are respectively turned on and off by the control of the switch control module 100. 1()()14313(^单单号A0101第21页/共56页1013113152-0 201232996 The following describes the working process of the DC-DC module 4: 1. After the switching device 1 is turned off, when When the first charge storage device C1 needs to perform the power recharging to realize the energy transfer, the switch control module 100 controls the bidirectional switches S5 and S6 to be turned on, and controls the bidirectional switch S1 and the bidirectional switch S4 to be simultaneously turned on to form the A phase, and the control bidirectional. The switch S2 and the bidirectional switch S3 are simultaneously turned on to form the B phase, and the A phase and the B phase are alternately turned on to form a full bridge circuit to operate; 2. When the full bridge circuit operates, the first charge memory element C1 is operated. The energy is transferred to the battery E through the fourth transformer T4 and the rectifying circuit, and the rectifying circuit converts the input alternating current into a direct current output to the battery E for the purpose of recharging the electric quantity; 3. when the first electric charge memory element C1 is needed When polarity reversal is performed to achieve energy superposition, the switch control module 100 controls the bidirectional switch S5 and the bidirectional switch S6 to be turned off, and controls the bidirectional switch S1 and the bidirectional switch S4 or the bidirectional switch S2 and the bidirectional Turning off any one of the S3 groups; at this time, the energy in the first charge memory element C1 is reversed back to its negative terminal through its positive terminal, the bidirectional switch S1, the primary side of the fourth transformer T4, and the bidirectional switch S4. Or through its positive terminal, the bidirectional switch S2, the primary side of the fourth transformer T4, and the bidirectional switch S3 are reversed back to the negative terminal thereof, and the voltage polarity of the first charge storage device C1 is achieved by using the primary excitation inductance of T4. According to another embodiment, the energy superposition and transfer unit may comprise an energy superimposing unit and an energy transfer unit, the energy transfer unit being connected to the energy storage circuit for conducting and reclosing at the switching device 1 After the disconnection, the energy in the energy storage circuit is transferred to the energy storage element, and the energy superposition unit is connected to the energy storage circuit for remaining the energy storage circuit after the energy transfer unit performs energy transfer The energy is superimposed on the energy in the battery, and the energy superimposing unit and the energy transfer unit can both adopt the present invention. The energy superimposing unit and the energy transfer unit provided in the foregoing embodiments are provided for the purpose of realizing energy transfer and superposition of the first charge storage element ci, and the specific structure and function thereof will not be described herein. As an implementation of the present invention In a manner, in order to operate the heating circuit, the energy in the first charge storage element C1 can also be consumed. Therefore, as shown in FIG. 20, the heating circuit further includes connecting to the first charge storage element C1. An energy consuming unit for consuming energy in the first charge storage element C1 after the switching device 1 is turned on and off. The energy consuming unit can be used alone in the heating circuit. After the switching device 1 is turned on and off, the energy in the first charge storage element C1 is directly consumed, and can also be combined with the above various embodiments, for example, the energy. The consuming unit may be combined with a heating circuit including an energy superimposing unit to consume energy in the first charge storage element C1 after the switching device 1 is turned on and off, and before the energy superimposing unit performs an energy superimposing operation, and may also include energy transfer. The heating circuit of the unit is combined to consume energy in the first charge memory element C1 after the switching device 1 is turned on and off, before the energy transfer unit performs energy transfer, or after the energy transfer unit performs energy transfer. The heating circuit of the superimposing and transferring unit combines to consume energy in the first charge storage element C1 after the switching device 1 is turned on and off, before the energy superposition and transfer unit performs energy transfer, or in the energy superposition and transfer unit. After the transfer, before the energy superposition The energy in the first charge storage element C1 is consumed, which is not limited by the present invention, and 1QQ14313 (^, single number A0101, page 23/56, 1013113152-0 201232996, which can be more clearly understood by the following embodiments) The working process of the unit. According to an embodiment, as shown in FIG. 21, the energy consuming unit comprises a voltage control unit 101, and the voltage control unit 101 is configured to store the first charge when the switching device 1 is turned on and off again. The voltage value across the component C1 is converted into a voltage set value. The voltage set value can be set according to the actual operation. As shown in Fig. 21, the voltage control unit 101 includes a resistor R5 and a fourth switch K8, the resistor R5 and the fourth switch K8 are connected in series with each other and then connected in parallel at both ends of the first charge memory element C1. The switch control module 100 is also connected to the fourth switch K8, and the switch control module 100 is also used for control. After the switching device 1 is turned on and then turned off, the fourth switch K8 is controlled to be turned on. Thereby, the energy in the first charge memory element C1 can be consumed by the resistor R5. The switch control module 100 can be a single controller. Through the setting of its internal program, the on/off control of different external switches can be realized. The switch control module 100 can also be multiple controllers, for example, A corresponding switch control module 100 is provided for each external switch, and the plurality of switch control modules 100 can also be integrated into one body. The present invention does not limit the implementation form of the switch control module 100. Figure 31 is a brief introduction to the operation of the embodiment of the heating circuit of the battery E, wherein the 22nd, 24th, 26th, 28th, and 30th views show various embodiments of the heating circuit of the battery E, 23, 25, 27 Figure 29 shows the corresponding waveform. It should be noted that although the features and elements of the present invention are described with reference to the specific combinations of Figures 22, 24, 26, 28, 30, each feature or element may be in the absence of 10014313 (^^ A〇101 24th Pages / Total 56 pages 1013113152-0 201232996 Other features and elements are used alone or in various situations with or without other features and elements. The embodiment of the heating circuit of battery E provided by the present invention is not It is limited to the implementation shown in Figures 22, 24, 26, 28, and 30. The grid portion in the waveform diagrams shown in Figures 23, 25, 27, and 29 indicates that it can be single or multiple times during the period of time. The switch applies a drive pulse, and the width of the pulse can be adjusted as needed. In the heating circuit of the battery E as shown in FIG. 22, the switching device 1 is constructed using a first bidirectional switch K3, the switching device 1 and the damping element R1. The first charge memory element C1 and the first current memory element L1 are connected in series, and the third unidirectional semiconductor element D3, the second current memory element L2 and the third switch K9 form a polarity inversion unit 102, and the switch control module 100 can The third switch K9 and the switch K3 are controlled to be turned on and off. Fig. 23 is a view showing the main circuit current, the C1 voltage, and the polarity inversion loop current 119 of the heating circuit shown in Fig. 22, which is shown in Fig. 22. The working process of the heating circuit L·u is as follows: a) The switch control module 100 controls the first bidirectional switch K3 to be turned on. As in the tl time period shown in FIG. 23, the battery E passes the first bidirectional switch K3, the first charge memory. The element C1 performs forward discharge (as shown by the positive half period of the loop current of the tl period in Fig. 23) and reverse charging (as shown by the negative half period of the loop current of the tl period in Fig. 23) b) The switch control module 100 controls the first bidirectional switch K3 to be turned off when the reverse current is zero; c) the switch control module 100 controls the third switch K9 to be turned on, the polarity inversion unit 102 operates, and the first charge storage element C1 through the third unidirectional semiconductor element D3, the second current memory element L2 and the third switch K9 loop 1013113152-0 1{) () 14313 (^ single number A0101 page 25 / 56 page 201232996 electric, and Reach the purpose of voltage polarity reversal, then open The control module 100 controls the third switch K9 to turn off 'fd as shown in the t2 period in FIG. 23). Steps a) to c) are repeated, and the battery E is continuously heated by charging and discharging until the battery E reaches the stop heating condition. . In the heating circuit of the battery E as shown in Fig. 24, the first switch K6, the first unidirectional semiconductor element d 11 (first one-way branch) and the second switch K7, which are connected in series with each other, are connected in series The two-way semiconductor component D12 (the first one-way branch) constitutes the switching device 1 'the second DC-DC module 3 constitutes a power recharging unit 10 3 that transfers the energy in the first charge memory element C1 back to the battery e, The switch control module 1 〇〇 can control the on and off of the first switch κ 6 and the second switch K7 and the operation of the second DC-DC module .3. Fig. 25 is a view showing the operation of the main circuit current I main and the ci voltage VC1 waveform diagram of the heating circuit shown in Fig. 24, and the operation of the heating circuit shown in Fig. 24 is as follows: a) switch control module 1 A switch K6 and a second switch K7 are turned on, and the battery E is positively discharged through the first switch K6, the first unidirectional semiconductor element D11, and the first charge memory element C1 as shown in FIG. 25 is shown in the time period of tl), and is reversely charged by the first charge storage element C1, the second switch K7, and the second unidirectional semiconductor element D12 (as shown in the time period t2 in FIG. 25); The switch control module 1〇〇 controls the first switch K6 and the second switch K7 to be turned off when the reverse current is zero; c) the switch control module 1〇〇 controls the second DC-DC module 3 to work, first The electric memory component C1 converts the alternating current into a direct current through the second DC-DC module 3, and then controls the second DC-DC 1013113152-0 to be electrically outputted to the battery E, thereby realizing the power recharging 10014313 production order number A〇1〇l Page 26 of 56 201232996 Module 3 stops working, as shown in Figure 25 for the t3 time period; d Repeating steps a) to c), the battery e is continuously heated by the discharge until the battery E reaches the stop heating condition. The heating circuit of the battery e as shown in Fig. 26 uses the first switch K6, the first unidirectional semiconductor element D11 (first one-way branch), and the second switch K7 and the second one in series with each other in series. The semiconductor element D12 (second unidirectional branch) constitutes a switching device i, and the DC-DC module 4 constitutes transferring energy in the first charge storage element C1 back to the battery £ and then reversing the polarity of the first charge storage element C1 The energy superimposing and transferring unit superimposed on the energy of the battery E in the next charging and discharging cycle, the switch control module 1〇〇 can control the turning on and off of the first switch K6 and the second switch K7 and sinking - the module 4 work or not. Figure 27 is a diagram showing the main circuit current I main and C1 voltage vci waveform diagrams of the heating circuit shown in Fig. 26. The operation of the heating circuit shown in Fig. 26 is as follows: a) Switch control module 1 〇〇 control The first switch κ 6 and the second switch κ 7 are turned on. As shown in FIG. 27, the battery ε is forwardly discharged through the first switch Κ6, the first unidirectional semiconductor device D11, and the first charge memory device C1. 〇 (as shown in the time period of tl in FIG. 27), and reversely charged by the first charge storage element C1, the second switch K7, and the second unidirectional semiconductor element di2 (as in the t2 time period in FIG. 27) The switch control module 1 〇〇 controls the first switch K6 and the second switch K7 to turn off when the reverse current is zero; c) the switch control module 100 controls the operation of the DC-DC module 4, A charge memory element C1 converts the alternating current into a direct current output through the DC-DC module 4 to the battery E to achieve the power recharge. Then the DC-DC module 4 reverses the polarity of the first charge storage element C1, at the C1 polarity. Control dc-DC mode after inversion * Single nickname A0101 Page 27 / Total 56 pages 10014313 (Γ 1013113152- 0 201232996 Group 4 stops working, as shown in Figure 27 for the period t3, t4; d) Repeat steps a) to c) 'Battery E is continuously heated by discharge until battery E reaches the stop heating condition. In the heating circuit of the battery E shown in FIG. 28, each of the first charge storage element C1 and the switching device 1 has a plurality of, and the first charge storage element C1 and the switching device 1-- are connected in series to form a plurality of branches. The plurality of branches are connected in parallel with the first current memory element L1, the damping element R1, and the battery E. The parent switching device 1 adopts a manner in which two one-way branches are controllable, and the polarity inversion unit 102 can The implementation of any of the polarity inversion units 102 described above is employed, for example, by the configuration shown in FIG. 28, and the specific circuit configuration of the polarity inversion unit 102 is not shown in FIG. The switch control module 100 can control the turning on and off of each switching device 1 and the operation of the polarity inverting unit 102. Fig. 29 is a view showing the waveform of the heating circuit shown in Fig. 28. The working process of the heating circuit shown in Fig. 28 is as follows: a) The switch control module 1〇〇 controls the first switches K6, K60, K61, K62 to be turned on (the second switches K7, K70, K71, K72 are still closed), the current is positive To the flow, the battery E is discharged, and the first charge storage elements C1, C12, C13, and C14 are respectively charged as shown in the time period of tl in FIG. 29; the first switches K6, K60, K61, and K62 are turned on in parallel, which can be increased. Current in a large loop. b) After the positive half cycle of the loop current ends, the switch control module 100 controls the first switches K6, K60, K61, and K62 to be turned off, and controls the second switches K7, K70, K71, and K72 to be turned on in turn, and the current flows in the opposite direction. As shown in the paragraph t1, time 1013113152-0, 'Because the first charge memory elements Cl, C12, C13, and C14 sequentially charge the battery E instead of simultaneously charging, the reverse current can be reduced, 1_4313 (? single number deer 1 帛28 pages/total 56 pages 201232996 In Fig. 29, 'SBu S4 is the reverse current waveform diagram when the second switch Κ7, K70, K71, K72 are turned on sequentially; after the reverse charging is finished, the second switch Κ7, Κ70, Κ71 Κ72 is turned off; c) The switch control module 1 〇〇 controls the operation of the plurality of polarity inversion units 1 〇 2, and reverses the polarity of the voltage on each of the charge storage elements, as shown in the time period t3 〇 d) repeating steps a) to c), the battery E is continuously heated by the discharge until the battery E reaches the stop heating condition. The heating circuit of the battery E as shown in Fig. 30 uses the first switch K6, the first unidirectional semiconductor element D11 (the first one-way branch) and the second switch K7 and the second one in series with each other in series. The semiconductor element D12 (second unidirectional branch) constitutes the switching device 1 'the resistor R5 and the fourth switch K8 constitute the voltage control unit 101, and the second current memory element L2, the semiconductor element D3 and the third switch K9 constitute the polarity inversion unit 1 〇2, the switch control module 1〇〇 can control the on and off of the first switch K6, the second switch K7, the fourth switch K8, and the third switch K9. Fig. 31 is a view showing the operation of the heating circuit shown in Fig. 30 of the main circuit current I, C1 voltage Vri polarity reversal circuit current I of the heating circuit shown in Fig. 30: a) Switching control mode The group 1〇〇 controls the first switch K6 and the second switch K7 to be turned on. According to the tl period shown in FIG. 31, the battery E is performed by the first switch K6, the first unidirectional semiconductor element D11, and the first charge memory element C1. Forward discharge (as shown in the time period of tl in FIG. 31), and reverse charging by the first charge storage element C1, the second switch K7, and the second unidirectional semiconductor element d12 (as in FIG. 31) The t2 time period is shown); b) The switch control module 100 controls the first switch K6 and the second switch K7 to be turned off when the reverse current is zero; 匪like#单单A0101 page 29/56 page 1013113152-0 201232996 C) The switch control module 100 controls the fourth switch K8 to be turned on, and the energy on the first charge storage element C1 is consumed by the damping element R8, as shown in the t3 time period of FIG. 31; then the switch control module 1〇 〇 controlling the fourth switch K8 to turn off, and controlling the third switch K9 to be turned on The polarity of the first charge storage element C1 is reversed by the second current memory 70 L2, the semiconductor element D3 and the third switch Κ9, and after the ci polarity is reversed, the third switch is controlled to be turned off, as shown in FIG. 14) the period of time shown; d) repeat steps a) to c), battery E is continuously heated by discharge until the battery E reaches the stop heating condition. With the heating circuit provided by the present invention, since the energy storage circuit is connected to the battery, When the battery E is heated, since the first charge storage element (10) is present, the safety problem caused by the failure of the switching device 1 to be short-circuited can be avoided, thereby effectively protecting the battery E. The preferred embodiment of the present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. In the technical concept of the present invention, various simple modifications can be made to the technical solutions of the present invention, and these simple modifications are all within the scope of protection of the present invention. 'The specific technical frequency described in the above specific embodiments may be in any suitable manner under the conditions of (4) Combination of lines, in order to avoid repetition of (4), the various possible combinations of the present invention are not further described. In addition, various embodiments of the present invention may be combined in detail as long as they do not contradict the idea of the present invention. It should also be regarded as the disclosure of the present invention. [Simplified illustration of the drawing] Step understanding 'and composition description [〇〇〇5] The drawing is for providing a further 10014313 to the present invention (^单单号A0101第30页A total of 56 pages 1013113152-0 201232996 A portion of the book 'is used to explain the invention' with the following detailed description, but does not constitute a limitation of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a heating circuit of a battery provided by the present invention; FIG. 2 is a schematic view showing an embodiment of the switching device of FIG. 1; and FIG. 3 is a switching device of FIG. 4 is a schematic view of an embodiment of the switching device of FIG. 1; FIG. 5 is a schematic view of an embodiment of the switching device of FIG. 1; FIG. FIG. 7 is a schematic view showing an embodiment of a switching device in FIG. 1; FIG. 8 is a schematic view showing a preferred embodiment of a heating circuit for a battery provided by the present invention; 9 is a schematic diagram of an embodiment of the energy superimposing unit in FIG. 8, and FIG. 10 is a schematic diagram of an embodiment of the polarity inverting unit in FIG. 9 and FIG. FIG. 12 is a schematic diagram of an embodiment of a polarity inversion unit in FIG. 9; and FIG. 13 is a first DC-DC module in FIG. An embodiment Figure 14 is a schematic view of a preferred embodiment of a heating circuit for a battery provided by the present invention; Figure 15 is a schematic view of a preferred embodiment of a heating circuit for a battery provided by the present invention, and Figure 16 is a diagram of Figure 15 An embodiment of an electric power refill unit (4) (Ρ 编号 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 Figure 18 is a schematic view of a preferred embodiment of a heating circuit for a battery provided by the present invention; Figure 19 is a schematic view of a preferred embodiment of the energy superposition and transfer unit of Figure 18; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 21 is a schematic view showing an embodiment of an energy consuming unit in FIG. 20; 2 is a waveform timing diagram corresponding to the heating circuit of the battery shown in FIG. 2; FIG. 24 is a battery provided by the present invention. FIG. 25 is a waveform timing diagram corresponding to the heating circuit of the battery shown in FIG. 24; FIG. 26 is a schematic diagram of an embodiment of the heating circuit of the battery provided by the present invention; 27 is a waveform timing diagram corresponding to the heating circuit of the battery shown in FIG. 26; FIG. 28 is a schematic diagram showing an embodiment of the heating circuit of the battery provided by the present invention; and FIG. 29 is a battery shown in FIG. The waveform corresponding to the heating circuit is 10014313 (^^^ A〇101 page 32/56 pages 1013113152-0 201232996 sequence diagram, FIG. 30 is a schematic diagram of an embodiment of the heating circuit of the battery provided by the present invention, Fig. 31 is a waveform timing chart corresponding to the heating circuit of the battery shown in Fig. 28. [Main Component Symbol Description] [0006] 100: Switch Control Module 101: Voltage Control Unit 102: Polarity Reversal Unit 103: Power Recharge Unit 1: Switching Devices 2, 3, 4: DODC Modules LI, L2, L3 , L4: current memory component

Cl, C2, C12, C13, C14: Charge memory element R1: Damping element E: Battery K3 ' K4, K5, Q1 ~ Q6, S1 ~ S6: Bidirectional switch R2, R3 ' R5, R6 : Resistance K6, K7, K8 , K9, K60, K61, K62, K70, K71, K72: Switches D3, D4, D5, D6, D7, D8, D11, D12, D13, D14: Unidirectional semiconductor components

Jl, J2: single pole double throw switch ΤΙ, T2, T3, T4: transformer

Nl, N2: node 1013113152-0 tl, t2, t3, t4: time period 1 () () 14313 (^ single number A0101 page 33 / total 56 page 201232996 i main loop current king · VC1: Cl voltage II () Polarity Reverse Loop Current LL · Just 143i# Single Number A〇101 Page 34 of 56 Page 1013113152-0

Claims (1)

201232996 VII. Patent application scope: 1. A heating circuit for a battery, the heating circuit comprising: a switching device; a damping component; a storage circuit, the energy storage circuit is connected to the battery, and the energy storage circuit includes a first a current storage element and a first charge memory element, the switching device, the first current memory element and the first charge memory element being connected in series; and a switch control module, the switch control module being connected to the switch device And 用于. for controlling the switching device to be turned on and off, such that when the switching device is turned on, energy flows back and forth between the battery and the energy storage circuit. 2 as claimed in claim 1 The heating circuit, wherein the damping element is a parasitic resistance inside the battery, and the first current memory element is a parasitic inductance inside the battery. 3. The heating circuit of claim 1, wherein the switch # device is a first bidirectional switch. 4. The heating circuit of claim 1, wherein the switching device comprises a first one-way branch for achieving energy flow from the battery to the energy storage circuit and for achieving energy from the Said storage circuit flowing to a second one-way branch of said battery, said switch control module being respectively connected to one or both of said first one-way branch and said second one-way branch, Used to control the turn-on and turn-off of the connected branch. 5. The heating circuit of claim 4, wherein the switching device comprises a second bidirectional switch and a third bidirectional switch, the second bidirectional opening amount PM _1 page 35 / 56 pages 1013113152 -0 201232996 and the third bidirectional switches are reversely connected in series to each other to constitute the first one-way branch and the second one-way branch, the switch control module and the second two-way switch and The third bidirectional switches are respectively connected to control the first one-way branch and the second one-way branch by controlling the turning on and off of the second bidirectional switch and the third bidirectional switch Turn on and off. 6. The heating circuit of claim 4, wherein the switching device comprises a first switch, a first unidirectional semiconductor component, and a second unidirectional semiconductor component, the first switch and the first The unidirectional semiconductor elements are connected in series to each other to form the first unidirectional branch, the second unidirectional semiconductor component constitutes the second unidirectional branch, and the switch control module is connected to the first switch The turning on and off of the first one-way branch is controlled by controlling the turning on and off of the first switch. The heating circuit of the battery of claim 6, wherein the switching device further comprises a second switch located in the second one-way branch, the second switch and the second The unidirectional semiconductor component is connected in series, and the switch control module is further connected to the second switch, for controlling the turning on and off of the second one-way branch by controlling the turning on and off of the second switch 8. The heating circuit of claim 4, wherein the switching device further comprises a resistor in series with the first one-way branch and/or the second one-way branch. 9. The heating circuit of claim 1, wherein the heating circuit further comprises an energy superimposing unit, the energy superimposing unit being coupled to the energy storage circuit for controlling the switch control module After the switching device is turned on and then turned off, the energy in the energy storage circuit is superimposed with the energy in the battery. The heating circuit of claim 9, wherein the energy superimposing unit includes a polarity inversion unit, and the heating circuit of claim 9 is the same. The polarity inversion unit is connected to the energy storage circuit for inverting a polarity of a voltage of the first charge storage element after the switching device is turned on and off again. The heating circuit of the item, the heating circuit further comprising an energy transfer unit, the energy transfer unit being connected to the energy storage circuit for "using the energy storage circuit after the switching device is turned on and off again" The energy transfer is transferred to the energy storage device. The heating circuit of claim 11, wherein the energy storage unit is the battery, and the energy transfer unit comprises a power refill unit, The electric 4 refill unit is connected to the energy storage circuit for transferring the electric energy in the energy storage circuit to the energy storage element after the switching device is turned on and off. The heating circuit, The heating circuit is further connected to the energy superimposing and transferring unit of the faulty circuit; the said transfer can be used to transfer the transfer unit after the switch device is turned on and off again. The energy in the energy storage circuit is transferred to the battery:: the remaining energy in the circuit is the heating circuit described in the item 14 of the above, wherein the energy overlap transfer single-k energy overlap a unit and an energy transfer unit 'the energy 1SA, connected to the energy storage circuit' for transferring energy in the energy storage circuit to the energy storage element in the switching device guide, An energy superimposing unit is coupled to the energy storage circuit for performing a energy transfer read at the energy _ residual energy 70 to superimpose the remaining amount in the ship circuit with the energy of the battery towel. A heating circuit according to claim 14, wherein the energy storage element is the battery, and the energy transfer unit comprises Battery recharge unit The power recharging unit is connected to the energy storage circuit, and is configured to transfer energy in the energy storage circuit to the energy storage component after the switching device is turned on and off again, where the energy superimposing unit includes a polarity inversion unit connected to the tank circuit for inverting a voltage polarity of the first charge memory element after the power recirculation unit performs energy transfer. The heating circuit of claim 13, wherein the energy superimposing and transferring unit comprises a DC-DC module, and the DC-DC module is respectively connected to the first charge storage element and the battery The switch control module is further coupled to the DC-DC module for transferring energy in the first charge storage element to the energy storage element by controlling operation of the DC-DC module The remaining energy in the first charge storage element is then superimposed with the energy in the battery. The heating circuit of claim 10 or 15, wherein the polarity inversion unit comprises a first single pole double throw switch and a second single pole double throw switch, the first single pole double throw switch and the The second single-pole double-throw switch is respectively located at two ends of the first charge memory element, and the input line of the first single-pole double-throw switch is connected in the energy storage circuit, and the first single-pole double-throw switch is first Connecting a first plate of the first charge memory element, a second output of the first single-pole double-throw switch connecting a second plate of the first charge storage element, the second single-pole double-throw switch The incoming line is connected in the energy storage circuit, the first outgoing line of the second single pole double throw switch is connected to the second plate of the first charge storage element, and the second output of the second single pole double throw switch is a line is connected to the first plate of the first charge storage element, the switch 10014313 (^^^^^A0101 page 38/56 pages 1013113152-0 201232996 control module is also associated with the first single pole double throw The switch and the second single pole double throw switch are respectively connected for The polarity of the voltage of the first charge cell is reversed by changing the connection relationship between the incoming and outgoing lines of the first single pole double throw switch and the second single pole double throw switch. The heating circuit of claim 10 or 15, wherein the polarity inversion unit comprises a third unidirectional semiconductor element, a second current memory element, and a third switch, the first charge memory element, the second a current storage element and the third switch are sequentially connected in series to form a loop, the third unidirectional semiconductor element being connected in series with the first charge storage element and the second current storage element or the second current memory element The switch control module is further connected to the third switch for inverting a voltage polarity of the first charge storage device by the fourth turn conducting. The heating circuit of claim 1 or 15, wherein the polarity inversion unit comprises a first D c — D c module and a second charge memory element, the first DC-DC module With the stated a charge memory element and the Q′′ charge memory element are connected, and the control dragon (4) is connected to the first DC-DC module for controlling the operation of the _dc_dc module Transferring energy in the first charge storage element to the second electrical and memory element, and then reversing (b) the energy of the second charge storage element to the first charge memory tree to achieve the The heating circuit of the first aspect of the present invention, wherein the second circuit of the second DcC module, the second Dc_DC module, And being connected to the first charge storage element and the battery respectively, the switch control module is further connected to the second sinking-sink module, for controlling _4313 (^ single number A〇101 39 pages/56 pages 1013113152-0 201232996 The second DC-DC module operates to transfer energy in the first charge storage element into the battery. The heating circuit of claim 1, wherein the heating circuit further comprises an energy consuming unit connected to the first charge storage element, the energy consuming unit being configured to be turned on at the switching device After turning off again, the energy in the first charge storage element is consumed. The heating circuit of claim 21, wherein the energy consuming unit comprises a voltage control unit, the voltage control unit being coupled to the first charge storage element for conducting in the switching device After turning off again, the voltage value across the first charge storage element is converted into a voltage set value. The heating circuit of claim 9, wherein the heating circuit further comprises an energy consuming unit connected to the first charge storage element, the energy consuming unit being configured to be turned on at the switching device After the power is turned off, the energy in the first charge storage element is consumed before the energy superimposing unit performs energy superposition. The heating circuit of claim 23, wherein the energy consuming unit comprises a voltage control unit, the voltage control unit being coupled to the first charge storage element for conducting in the switching device After the power is turned off, the voltage superimposing unit converts the voltage value across the first charge memory element into a voltage set value. The heating circuit of claim 11, wherein the heating circuit further comprises an energy consuming unit connected to the first charge storage element, the energy consuming unit being configured to be turned on at the switching device After being turned off again, the energy in the first charge storage element is consumed before the energy transfer unit performs energy transfer, or in the energy transfer unit, let the Confucian A_ 1013113152-0 page 40 / 56 pages 201232996 After the energy transfer, the energy in the first charge storage element is consumed. [26] The heating circuit of claim 25, wherein the energy consuming unit comprises a voltage control unit, the voltage control unit being coupled to the first charge storage element for conducting in the switching device After the power is turned off again, before the energy transfer unit performs energy transfer, the voltage value across the first charge memory element is converted into a voltage set value, or after the energy transfer unit performs energy transfer, the first The voltage value across the charge memory element is converted to a voltage set point. The heating circuit of claim 13, wherein the heating circuit further comprises an energy consuming unit connected to the first charge storage element, the energy consuming unit being configured to be turned on at the switching device After the shutdown, the energy in the first charge storage element is consumed before the energy superposition and transfer unit performs energy transfer, or before the energy superposition and energy transfer after the energy superposition and transfer unit performs energy transfer, The energy in the first charge storage element is consumed. The heating circuit of claim 27, wherein the energy consuming unit comprises a voltage control unit, the voltage control unit being coupled to the first charge storage element for conducting in the switching device After the shutdown, the energy superposition and transfer unit converts the voltage value across the first charge storage element into a voltage set value, or performs energy transfer after the energy superposition and transfer unit performs energy transfer. The voltage values across the first charge storage element are converted to voltage set values prior to stacking. The heating circuit according to any one of claims 22, 24, 26 or 28, wherein the voltage control unit comprises a resistor 1013113152-0 1 () {) 14313 {^ single number A32101, page 41 / page 201232996 and a fourth switch, the resistor and the fourth switch are connected in series with each other and then connected in parallel at both ends of the first charge memory element, the switch control module is further The four-switch is connected, and the switch control module is further configured to control the fourth switch to be turned on after controlling the switch device to be turned on and off again. 30. The heating circuit of claim 5, wherein the switching control module has zero current flowing through the switching device after the switching device is turned on. The switching device is controlled to be turned off at or after zero. The heating circuit of claim 1, wherein the first charge storage element and the switching device are plural, and The first charge storage element and the switching device are connected in series to form a plurality of branches, and the plurality of branches are connected in series with the first current storage element and the damping element. 32. The heating circuit of claim 31, wherein the switch control module controls a plurality of the switching devices such that energy flows from the battery to each of the energy storage circuits simultaneously and energy is stored from each of the storage devices. The energy circuit flows to the battery in sequence. 33. The heating circuit of clause j, wherein the damping element is a resistor, the first current memory element is an inductor, and the first electrical memory element is a capacitor. Page 42 of 56 10014313#单号 Α0101 1013113152-0