[go: up one dir, main page]

CN202997631U - Energy consumption type battery charging equalization apparatus - Google Patents

Energy consumption type battery charging equalization apparatus Download PDF

Info

Publication number
CN202997631U
CN202997631U CN 201220709321 CN201220709321U CN202997631U CN 202997631 U CN202997631 U CN 202997631U CN 201220709321 CN201220709321 CN 201220709321 CN 201220709321 U CN201220709321 U CN 201220709321U CN 202997631 U CN202997631 U CN 202997631U
Authority
CN
China
Prior art keywords
switch
energy consumption
battery charging
consumption type
type battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220709321
Other languages
Chinese (zh)
Inventor
李玉龙
王珂
吴仕明
朱睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfang Electric Co ltd
Original Assignee
Dongfang Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfang Electric Corp filed Critical Dongfang Electric Corp
Priority to CN 201220709321 priority Critical patent/CN202997631U/en
Application granted granted Critical
Publication of CN202997631U publication Critical patent/CN202997631U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model, which belongs to the battery field, particularly relates to an energy consumption type battery charging equalization apparatus. The apparatus comprises a battery group formed by series connection of more than two single cells. And the apparatus is characterized in that each of the single cells is respectively connected with a voltage and temperature measurement module; and all the voltage and temperature measurement modules are connected with a master control module. Single power supplies and heat radiation devices form heat radiation loops; and switches are arranged between the single power supplies and the heat radiation devices. The single power supplies and heating devices form heating loops; and switches are arranged between the single power supplies and the heating devices. According to the utility model, the advantages of the apparatus are as follows: in the prior art, the traditional resistor energy consumption mode basically enables the energy to be converted into heat, so that the energy is wasted and the load on the heat dissipation system is caused. However, according to the utility model, equalized currents are utilized to carry out auxiliary temperature adjustment on the battery group, so that the energy is effectively utilized and the load on the temperature control system is reduced.

Description

A kind of energy consumption type battery charging equalization apparatus
Technical field
The utility model belongs to field of batteries, be that lithium battery, lead-acid battery and sodium galvanic battery to series connection reduces capacity volume variance between battery by shunting concretely in the charge and discharge process, and shunt current is used for a kind of energy consumption type battery charging equalization apparatus that system temperature is controlled.
Background technology
In recent years along with electric automobile, high power UPS, the development of large-scale power system energy storage device, the series connection application of energy storage battery becomes inevitable, at this moment the difference between battery can cause the population size of battery pile to descend, even can overshoot, cross to put and cause battery to scrap, at this moment need series-connected cell is carried out equilibrium, make the difference of each battery be controlled at a scope.
can be divided into energy consumption type and non-energy consumption type according to the equilibrium of energy loss mode, non-energy consumption type balanced energy is transported loss between battery little, but hardware cost and the meeting of controlling cost increase a lot, be 201010244377.3 as number of patent application, the applying date is 2010.7.28, name is called the patent of invention of " a kind of dynamic equalization of battery management system discharges and recharges implementation method ", its technical scheme is: a kind of dynamic equalization of battery management system discharges and recharges implementation method, it is characterized in that: by the microcontroller circuit, the equalizing charge power supply, the balance charge/discharge electronic switch assembly, voltage detection circuit module forms, it realizes carrying out following steps: a, the battery group magnitude of voltage that microcontroller detects according to voltage detection circuit module, definite needs carry out the battery group of balance charge/discharge compensation, the balance charge/discharge electronic switch assembly that gating is corresponding, b, the electronic switch assembly that is strobed to the battery group that need to carry out the balance charge/discharge compensation, discharge and recharge compensation by the equalizing charge power supply to this battery group with the equalizing charge power connection, the state of charge that c, MCU Real-Time Monitoring are divided into groups by balancing battery is adjusted the charging current of equalizing charge power supply to being divided into groups by balancing battery accordingly.
Traditional energy consumption type charge balancing adopts the method for shunt resistance, as number of patent application be 200820143194.0, the applying date is 2008.11.17, name is called " comparison expression battery equalizer " utility model patent, its technical scheme is: the utility model relates to a kind of batteries of serial connection in charge and discharge process, high person shunts to voltage, be full of to reach simultaneously, the portfolio effect that drains simultaneously no longer enlarges each battery capacity difference.Every batteries is all and by a shunt resistance and the shunt circuit that forms of switching tube of serial connection with it.All be connected to the comparison circuit that two resistance form between every two adjacent batteries.The base stage of the difference voltage that comparison circuit detects control switch pipe after IC amplifies is shunted the high person of difference voltage.Although the method is simple, cost is low, and two significant shortcomings are arranged, at first resistance can generate heat increases the system radiating burden, and next is generally less because the volume weight of high-power resistance etc. limits its euqalizing current.
The utility model content
Can generate heat and increase the volume weight of system radiating burden, high-power resistance and limit the general less problem of its euqalizing current in order to overcome resistance that existing energy consumption type battery charging equalization apparatus exists, propose now a kind of energy consumption type battery charging equalization apparatus.
For realizing above-mentioned technique effect, the technical solution of the utility model is as follows:
A kind of energy consumption type battery charging equalization apparatus, comprise the battery pack that plural cell series connection consists of, it is characterized in that: each cell is connected with respectively voltage and temperature-measuring module, and described each voltage and temperature-measuring module all are communicated with main control module; Described monomer power supply and heat abstractor consist of heat-radiation loop, are provided with switch between monomer power supply and heat abstractor, and described monomer power supply and heater consist of heating circuit, are provided with switch between monomer power supply and heater.
Described main control module is connected with described switch.
Described voltage and temperature collect module comprise RC filter circuit, operational amplifier, diverter switch, thermocouple.
Described main control module comprises single-chip microcomputer and auxiliary circuit thereof, and described auxiliary circuit comprises power supply circuits, and single-chip microcomputer is downloaded debugging interface.
Described switch belongs to gate-controlled switch, and described gate-controlled switch is mechanical switch or electronic switch.
Described heat abstractor is semiconductor cooler, fan or water-cooled, and heater is resistance wire.
The utility model has the advantage of:
1, traditional basic Heat of Formation of resistance power consumption is wasted, and causes burden to cooling system, and the present invention utilizes euqalizing current to carry out auxiliary temperature to battery pack and regulates, and its energy has obtained effective utilization and reduced the burden of temperature control system.
2, the size of the ability of equalization can be mated by the power of choosing different heat radiations and heater, can be flexible and changeable for different energy-storage system collocation, can also open simultaneously heat radiation and heater under extreme case, and strengthen the ability of equalization.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
In accompanying drawing: cell 1, voltage and temperature-measuring module 2, main control module 3, heat abstractor 4, switch 5, heater 6.
Embodiment
A kind of energy consumption type battery charging equalization apparatus comprises the battery pack that plural cell 1 series connection consists of, it is characterized in that: each cell 1 is connected with respectively voltage and temperature-measuring module 2, and described each voltage and temperature-measuring module 2 all are communicated with main control module 3; Described monomer power supply and heat abstractor 4 consist of heat-radiation loop, are provided with switch 5 between monomer power supply and heat abstractor 4, and described monomer power supply and heater 6 consist of heating circuit, are provided with switch 5 between monomer power supply and heater 6.General battery pile also comprises cooling system, but the power supply that its cooling system uses is civil power or battery power, and needs balanced energy to provide specially again energy-dissipating device to consume.And this patent is that the excess energy of needs equilibrium is controlled for temperature.Main control module 3 is connected with described switch 5.Voltage and temperature collect module comprise the RC filter circuit, operational amplifier, and diverter switch 5, thermocouple forms.The voltage here and temperature collect module select the circuit design that can realize identical function in prior art to get final product.Described main control module 3 comprises single-chip microcomputer and auxiliary circuit thereof, and main control module 3 selects the circuit design that can realize identical function in prior art to get final product.Auxiliary circuit comprises power supply circuits, and single-chip microcomputer is downloaded debugging interface.Single-chip microcomputer is the core of control module, and power supply circuits are responsible for also having other electronic devices and components power supply to single-chip microcomputer, and the download debugging interface of single-chip microcomputer is connected with single-chip microcomputer, downloads debugging routine to single-chip microcomputer.Switch 5 belongs to gate-controlled switch 5, and described gate-controlled switch 5 is mechanical switch 5 or electronic switch 5.Heat abstractor 4 is semiconductor cooler, fan or water-cooled, and heater 6 is resistance wire.
Below in conjunction with accompanying drawing, the utility model is further illustrated.
It is balancer in Fig. 1 square frame, voltage and temperature-measuring module 2 are monomer voltage and the temperature collect module of three joint series-connected cells of correspondence, this module is by the RC filter circuit, operational amplifier, diverter switch 5, the compositions such as thermocouple, its effect is the temperature that gathers corresponding battery, information of voltage, and send into main control module 3.
Main control module 3 is comprised of single-chip microcomputer and auxiliary circuit thereof, temperature and information of voltage that voltage and temperature-measuring module 2 gather are all sent into main control module 3, then judge that according to monomer voltage information judgment principle is multiple, compare as ceiling voltage and minimum voltage, ceiling voltage and average voltage ratio wait, and determine that batteries needs equalization discharge.Judgement is heated or freezes judgement according to temperature information again, the final switch 5 matrix transmitting order to lower levels of giving correspondence.
Switch 5 matrix 1-6 are comprised of gate-controlled switch 5, can be mechanical can be also electronic type as relay etc., as SSR, MOSFET etc. can realize heat abstractor 4 or the heater 6 of corresponding battery after the order of receiving main control module 3.
Heat abstractor 4 can be semiconductor cooler, fan etc.Heater 6 can be resistance wire etc.Each series-connected cell connects a heat radiation by switch 5 and is connected with heater as battery C1 by switch 51 connection heaters 6, connect heat abstractor 4 by switch 52, the voltage of single battery, temperature are after main control module 3 judgements, closed corresponding switch 5, heat radiation or heater 6 are namely started working, corresponding battery obtains equilibrium, and simultaneous temperature is adjusted.This equilibrium can be carried out in the charging, discharging electric batteries process, and the ability of equalization can be chosen freely by the power of heat radiation and refrigerating plant and adjust simultaneously.
Traditional power consumption balancer uses resistance, consumes the unnecessary electric weight of battery, and the general energy that uses civil power or battery pack of its subsidiary heat abstractor 4.Battery pack is when operation in general, particularly temperature is higher during the operation of large electric current, need to dispel the heat, and if utilize resistance to carry out equilibrium this moment can to produce more heat, cause the cooling system burden, like this can the energy that consume civil power or battery pack more.This patent is equipped with separately heat radiation and heater 6 for each monocell, higher and need when balanced when battery temperature, can open heat abstractor 4 and consume unnecessary electric energy, and be accompanied with the effect of heat radiation, but the energy of its consumption is not the electric weight of whole battery pack, but the part energy that needs equilibrium to fall.The principle of heater 6 is also similar, and battery temperature is low also can affect battery performance, can utilize heater 6 subsidiary bring heating effect.If require euqalizing current larger, also can open simultaneously heating and heat abstractor 4, and control its temperature through certain algorithm.Generally speaking, the mode of traditional use resistance consumed the energy that consume, but it can only increase heat, just needs to consume the energy of whole battery pack if it is dispelled the heat, and such design is not quite reasonable.This patent not only can increase heat, also can dispel the heat, and all energy is all the energy of the monocell of consumption.
Also can find out by reference to the accompanying drawings by above-mentioned character express, after adopting the utility model, can according to the needs of design, make various large capacity version lithium ion battery cells, and production efficiency be high, is suitable for large-scale production.Certainly, above is only concrete exemplary applications of the present utility model, and protection range of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent version, within all dropping on the desired protection range of the utility model.

Claims (6)

1. energy consumption type battery charging equalization apparatus, comprise the battery pack that plural cell (1) series connection consists of, it is characterized in that: each cell (1) is connected with respectively voltage and temperature-measuring module (2), and described each voltage and temperature-measuring module (2) all are communicated with main control module (3); Described monomer power supply and heat abstractor (4) consist of heat-radiation loop, be provided with switch (5) between monomer power supply and heat abstractor (4), described monomer power supply and heater (6) consist of heating circuit, are provided with switch (5) between monomer power supply and heater (6).
2. a kind of energy consumption type battery charging equalization apparatus according to claim 1, it is characterized in that: described main control module (3) is connected with described switch (5).
3. a kind of energy consumption type battery charging equalization apparatus according to claim 2, it is characterized in that: described voltage and temperature collect module comprise the RC filter circuit, operational amplifier, diverter switch (5), thermocouple.
4. a kind of energy consumption type battery charging equalization apparatus according to claim 3, it is characterized in that: described main control module (3) comprises single-chip microcomputer and auxiliary circuit thereof, and described auxiliary circuit comprises power supply circuits, single-chip microcomputer is downloaded debugging interface.
5. a kind of energy consumption type battery charging equalization apparatus according to claim 4, it is characterized in that: described switch (5) belongs to gate-controlled switch (5), and described gate-controlled switch (5) is mechanical switch (5) or electronic switch (5).
6. a kind of energy consumption type battery charging equalization apparatus according to claim 5 is characterized in that: described heat abstractor (4) is semiconductor cooler, fan or water-cooled, and heater (6) is resistance wire.
CN 201220709321 2012-12-20 2012-12-20 Energy consumption type battery charging equalization apparatus Expired - Lifetime CN202997631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220709321 CN202997631U (en) 2012-12-20 2012-12-20 Energy consumption type battery charging equalization apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220709321 CN202997631U (en) 2012-12-20 2012-12-20 Energy consumption type battery charging equalization apparatus

Publications (1)

Publication Number Publication Date
CN202997631U true CN202997631U (en) 2013-06-12

Family

ID=48568762

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220709321 Expired - Lifetime CN202997631U (en) 2012-12-20 2012-12-20 Energy consumption type battery charging equalization apparatus

Country Status (1)

Country Link
CN (1) CN202997631U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106253384A (en) * 2016-08-12 2016-12-21 辽宁比科新能源股份有限公司 A kind of battery balanced device with heating function
CN107799849A (en) * 2017-09-26 2018-03-13 银隆新能源股份有限公司 Battery bag heating system and electric car
CN110703106A (en) * 2019-10-30 2020-01-17 中国第一汽车股份有限公司 Battery monomer voltage monitoring device and method
CN111245068A (en) * 2020-03-21 2020-06-05 守恒新能源(重庆)有限公司 Battery system and control method with cooling equalization function
CN111376763A (en) * 2020-03-21 2020-07-07 守恒新能源(重庆)有限公司 Charging pile with balancing function and control method
CN114846675A (en) * 2020-07-20 2022-08-02 广州汽车集团股份有限公司 Battery heating system, battery device and electric vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106253384A (en) * 2016-08-12 2016-12-21 辽宁比科新能源股份有限公司 A kind of battery balanced device with heating function
CN107799849A (en) * 2017-09-26 2018-03-13 银隆新能源股份有限公司 Battery bag heating system and electric car
CN110703106A (en) * 2019-10-30 2020-01-17 中国第一汽车股份有限公司 Battery monomer voltage monitoring device and method
CN111245068A (en) * 2020-03-21 2020-06-05 守恒新能源(重庆)有限公司 Battery system and control method with cooling equalization function
CN111376763A (en) * 2020-03-21 2020-07-07 守恒新能源(重庆)有限公司 Charging pile with balancing function and control method
CN111376763B (en) * 2020-03-21 2023-10-31 守恒新能源(重庆)有限公司 Charging pile with equalization function and control method
CN111245068B (en) * 2020-03-21 2024-12-03 守恒新能源(重庆)有限公司 Battery system with cooling and balancing function and control method
CN114846675A (en) * 2020-07-20 2022-08-02 广州汽车集团股份有限公司 Battery heating system, battery device and electric vehicle

Similar Documents

Publication Publication Date Title
CN105449740B (en) A kind of energy-storage lithium battery active equalization control system and control method
CN202997631U (en) Energy consumption type battery charging equalization apparatus
CN106300545B (en) A kind of active equalization control device and control method for liquid metal cell
CN102222964B (en) Equalizing system and method for energy storage system
CN103501025A (en) Active equalization system of battery pack
CN101345431A (en) Charging equalization device for series storage battery pack
CN102593893A (en) System for realizing balanced discharging of battery sets
CN102856942A (en) Charge-discharge omni-directional equalization managing device of lithium ion battery pack
CN103560561B (en) A kind of balanced charge-discharge device of lithium battery management system
CN110323801A (en) A kind of energy-storage system battery module equalizing structure and control method
CN102231544A (en) External battery pack type electricity-supplement balancing system and method of energy storage system
CN102082312A (en) High-capacity energy storage device
CN102891519A (en) Equalization circuit of battery pack
CN107872088A (en) A battery pack active equalization circuit and equalization method
CN207967253U (en) Battery pack low-temperature heating device, battery module and vehicle
CN206195384U (en) Intelligent balanced charging and discharging circuit device of lithium cell group that can communicate
CN202888901U (en) Equalization circuit for battery pack
CN102761165A (en) Voltage dynamic balance management system of power lithium battery pack
CN212726520U (en) Equalizing charge protection device
CN103036291B (en) Equalizing device for storage battery of electric bicycle
CN105429215B (en) The combined equalization device and its equalization methods of a kind of composite power source
CN204858603U (en) battery system
CN203387282U (en) Box-level battery management system
CN206797153U (en) The electric quantity balancing device between multiple cells in battery pack
CN202183615U (en) External balance device for series lithium battery pack

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180427

Address after: 610000 18 West core road, hi-tech West District, Chengdu, Sichuan

Patentee after: DONGFANG ELECTRIC Co.,Ltd.

Address before: 610036 Shu Han Road, Jinniu District, Chengdu, Sichuan Province, No. 333

Patentee before: DONGFANG ELECTRIC Corp.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20130612

CX01 Expiry of patent term