CN105790373A - Power supply device and electronic equipment - Google Patents

Abstract

The application discloses a power supply device and an electronic device, wherein the device comprises a power supply module, a control module and a power supply module, wherein the control module is used for carrying out charging on or charging off control on the power supply module; the power supply module is used for converting preset form energy into electric energy when the control module performs charging communication control on the power supply module and meets preset internal charging conditions, and the electric energy is used for charging the power supply module. It can be seen that this application charges to power module's battery through the electric energy of form energy conversion that predetermines by the profit, has realized a wireless charging scheme, utilizes this application scheme can effectively alleviate frequent grafting power cord that current external power cord charging mode exists, or because of inconvenient external power cord charges and a great deal of problems such as the equipment shutdown that leads to.

Description

A power supply device and electronic equipment

technical field

The invention belongs to the technical field of wireless charging, and in particular relates to a power supply device and electronic equipment.

Background technique

With the development of large-screen and multi-functional terminal devices such as smart phones and tablet computers, the power consumption of such devices continues to increase, which will easily lead to a shorter battery life of the device, which in turn will cause frequent charging of the device battery .

At present, external power cords are often used to charge the built-in batteries of terminal devices such as smart phones. Therefore, in the case of generally high power consumption of current terminal devices, users need to frequently plug in power cords to charge devices. It brings great inconvenience to the user to use the terminal device; and in the scenario where the user forgets to bring the charger or is inconvenient to connect the power cord for charging, the device will often be shut down due to power consumption and cannot be charged, which will affect the user's use.

Contents of the invention

In view of this, the object of the present invention is to provide a power supply device and electronic equipment, aiming at effectively alleviating many problems existing in the current external power line charging method by implementing a wireless charging solution.

For this reason, the present invention discloses following technical scheme:

A power supply device, said device comprising:

power module;

A control module, connected to the power module, for controlling the power supply module to be charged on or off;

A power supply module, connected to the control module, is used to convert the preset form of energy into Electric energy, and use the electric energy to charge the power module;

Wherein, the power module includes a first battery and a second battery connected to the control module;

The control module includes:

a control switch connected to the power supply module and the power supply module;

The first controller is connected to the control switch, and is configured to send a first control instruction to the control switch when the first battery meets the preset charging condition, and send a first control instruction to the control switch when the second battery meets the preset charging condition. , send a second control instruction to the control switch; wherein, the first control instruction is used to instruct the control switch to charge and turn on the first battery, and the second control instruction is used to instruct the The control switch controls the charging on of the second battery, and the charging on control is used to connect the power supply module and the power supply module.

In the above power supply device, preferably, the control switch is also connected to the load; then the first control instruction issued by the first controller is also used to control the discharge and on of the second battery, and the first The second control instruction issued by a controller is also used to control the first battery to be discharged, and the discharge control is used to connect the load and the power module.

In the above power supply device, preferably, the preset charging condition is that the remaining power of the battery is lower than a preset threshold, and the first controller is used to detect the remaining power of the first battery and the second battery in real time, and When the remaining power of the first battery or the second battery is lower than the preset threshold, a corresponding first control instruction or second control instruction is sent to the control switch.

In the above power supply device, preferably, the preset form of energy is mechanical energy, then the power supply module includes:

Generators for converting mechanical energy into electrical energy;

The second controller is configured to issue an internal charging command when the power module meets a preset internal charging condition; and issue an external charging command when the power module meets a preset external charging condition;

An analog switch, connected between the control switch and the generator, and connected to the second controller; used to switch on the generator when receiving an internal charging command from the second controller and the control switch, when receiving an external charging instruction from the second controller, connect the external charging device and the control switch.

For the above power supply device, preferably, the external charging condition is: it is detected that an external charging device is connected to the power supply device or an external charging request from the user is received; the internal charging condition is: no external charging device is detected to be connected to the power supply device. the above power supply unit or receive an internal charging request from the user.

For the above power supply device, preferably, the generator is a micro-DC generator, and the micro-DC generator uses a piezoelectric generator or a vibration generator to convert mechanical energy into electrical energy.

In the above power supply device, preferably, the positive pole of the micro DC generator is connected to the analog switch, and the negative pole is connected to the common terminal.

An electronic device, comprising an electronic device body and the above-mentioned power supply device, the electronic device body including an electronic device load;

Wherein, the power supply device is used to provide power supply to the electronic equipment load.

It can be known from the above solutions that the power supply device disclosed in the present application includes a power supply module, a control module and a power supply module, the control module is used to control the charging on or off of the power supply module; The control module controls the charging and turning on of the power module, and when the preset internal charging conditions are met, converts the preset form of energy into electric energy, and uses the electric energy to charge the power module. It can be seen that this application implements a wireless charging solution by using the preset form of energy conversion into electric energy to charge the battery of the power module. Using the solution of this application can effectively alleviate the frequent plugging of the power line existing in the current external power line charging method. Or many problems such as device shutdown caused by inconvenient external power cord charging.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

FIG. 1 is a schematic structural diagram of a power supply device provided by Embodiment 1 of the present invention;

2-3 are schematic diagrams of charging and discharging of the power supply device provided by Embodiment 1 of the present invention;

Fig. 4 is another schematic structural diagram of the power supply device provided by Embodiment 1 of the present invention;

Fig. 5 is a schematic diagram of the power supply principle of the power supply module provided by Embodiment 1 of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment one

Embodiment 1 of the present invention discloses a power supply device. The device can be applied to electronic devices such as smart phones and tablet computers. Referring to FIG. 1 , the device can include:

Power module 100;

The control module 200 is connected with the power module 100, and is used to control the charging on or off of the power module 100;

The power supply module 300 is connected with the control module 200, and is used to turn on the power supply module 100 when the control module 200 controls the charging of the power supply module 100 and the power supply module 100 meets the preset internal charging conditions. It is assumed that form energy is converted into electrical energy, and the power module 100 is charged by using the electrical energy.

The preset form of energy may be mechanical energy, thermal energy, solar energy, etc. In this embodiment, the preset form of energy is specifically mechanical energy.

Wherein, the power module 100 includes a first battery 101 and a second battery 102 connected to the control module 200 .

The first battery 101 and the second battery 102 share a negative pole, and the negative poles of the first battery 101 and the second battery 102 are connected to a common terminal. The power supply module 100 can use a currently existing lithium battery or a special two-in-one battery or a switching battery.

The control module 200 includes:

The control switch 201 is connected with the power supply module 100 and the power supply module 300 .

The first controller 202 is connected with the control switch 201, and is configured to send a first control command to the control switch 201 when the first battery 101 meets the preset charging condition, and the second battery 102 When the preset charging condition is met, a second control command is sent to the control switch 201; wherein, the first control command is used to instruct the control switch 201 to control the charge on of the first battery 101; the The second control command is used to instruct the control switch 201 to control the charging on of the second battery 102 ; the charging on control is used to connect the power supply module 300 and the power supply module 100 .

In this embodiment, the control switch 201 is also connected to the load of the electronic device; then the first control instruction issued by the first controller 202 is also used to control the discharge and connection of the second battery 102 , the second control instruction issued by the first controller 202 is also used to control the discharge on of the first battery 101, and the discharge on control is used to connect the load and the power module 100.

Specifically, generally speaking, when the remaining power of the battery of the electronic device is low and is lower than a certain threshold, it needs to be charged. Therefore, in this embodiment, the charging conditions of the first battery or the second battery are respectively set to It is determined that the remaining power of the first battery or the second battery is lower than a preset threshold, so that the first controller 202 is used to detect the remaining power of the first battery and the second battery in real time, and When the remaining power of the first battery or the second battery is lower than the preset threshold, a corresponding first control instruction or second control instruction is sent to the control switch 201 .

Referring to the schematic diagram of the charge and discharge principle shown in FIG. 2, when the remaining power of the first battery is lower than the preset threshold, the control switch receives the first control instruction issued by the first controller, and responds to the first control Instructions, connect the terminal 1 to terminal 3, and terminal 2 to terminal 4 respectively, so as to form the charging circuit between the power supply module and the first battery, and the second battery and the electronic device Discharge circuit between loads. In the charging circuit, the charging current generated by the power supply module charges the first battery through the terminal 1 and terminal 3 of the control switch; the second battery is discharged in the discharge circuit, and is discharged through the control switch Terminal 4 and Terminal 2 provide power to the load of the electronic equipment.

Referring to the schematic diagram of the charge and discharge principle shown in Figure 3, when the remaining power of the second battery is lower than the preset threshold, the control switch receives the second control instruction issued by the first controller, and responds to the second control Instructions, connect the terminal 1 and terminal 4 respectively, and connect the terminal 2 and terminal 3, so as to form the charging circuit between the power supply module and the second battery, and the first battery and the electronic device Discharge circuit between loads. In the charging circuit, the charging current generated by the power supply module charges the second battery through the terminal 1 and terminal 4 of the control switch; Terminal 3 and Terminal 2 provide power to the load of the electronic equipment.

Using the control module, when the power of a certain battery (battery supplying power to the load) being used in the power module is lower than a certain value, another one can be replaced by switching the connection status of the four terminals in the control switch. The battery serves as the power supply for the load, thereby charging the battery that is currently low in power.

Referring to FIG. 4 , the power supply module 300 includes a generator 301 , a second controller 302 and an analog switch 303 .

A generator 301, configured to convert the mechanical energy of the electronic device into electrical energy;

The second controller 302 is configured to issue an internal charging command when the power module 100 meets a preset internal charging condition; and issue an external charging command when the power module 100 meets a preset external charging condition;

An analog switch 303, connected between the control switch 201 and the generator 301, and connected to the second controller 302; used for receiving the internal charging instruction of the second controller 302, to connect Through the generator 301 and the control switch 201, when receiving the external charging command from the second controller 302, turn on the external charging device of the electronic device (such as an external power cord connected to the charger) with the control switch 201.

Wherein, the external charging condition may be detected that an external charging device is connected to the electronic device or an external charging request from the user is received, and the internal charging condition may be that no external charging device is detected to be connected to the electronic device Or receive an internal charging request from the user. For example, specifically, whether the access of the external power cord is detected can be used as the basis for determining external or internal charging, or according to the charging request sent by the corresponding App (Application, application program) installed by the user through the electronic device (the request includes The external or internal charging method to be adopted), and determine the external or internal charging.

Referring to the schematic diagram of the power supply principle of the power supply module shown in Figure 5, when the electronic device meets the internal charging conditions and the second controller issues an internal charging command, the analog switch responds to the command and connects the S2 terminal and D in the figure. end, so that the internal power provided by the generator can be used to charge the first battery or the second battery of the power module; when the electronic device meets the external charging conditions, when the second controller sends an external charging command, the analog switch responds to the Command, connect the S1 terminal and D terminal in the figure, and at this time, use the external power supply connected by the external power line to charge the corresponding battery of the power module.

The generator is specifically a miniature direct current generator, so as to be easily integrated into terminal devices such as smart phones, the positive pole of the micro direct current generator is connected to the analog switch, and the negative pole is connected to the common terminal. The micro direct current generator can use the existing piezoelectric generator or vibration generator to convert the mechanical energy of the electronic equipment into electrical energy.

The mechanical energy of an electronic device can specifically be the energy generated by vibration when the electronic device receives a call or a short message, or the energy generated when the user shakes the device, shakes the device, or carries the device during operation.

It can be known from the above solutions that the power supply device disclosed in the present application includes a power supply module, a control module and a power supply module, the control module is used to control the charging on or off of the power supply module; The control module controls the charging and turning on of the power module, and when the preset internal charging conditions are met, converts the preset form of energy into electric energy, and uses the electric energy to charge the power module. It can be seen that this application implements a wireless charging solution by using the preset form of energy conversion into electric energy to charge the battery of the power module. Using the solution of this application can effectively alleviate the frequent plugging of the power line existing in the current external power line charging method. Or many problems such as device shutdown caused by inconvenient external power cord charging.

Embodiment two

Embodiment 2 discloses an electronic device. The electronic device may be a mobile terminal device such as a smart phone or a tablet computer. The electronic device includes an electronic device body and the power supply device disclosed in Embodiment 1. The electronic device The main body includes an electronic equipment load; wherein, the power supply device is used to provide power supply to the electronic equipment load.

In summary, this application has the following advantages:

1) It effectively alleviates the problem of frequent charging of electronic devices through an external power cord, and solves the problem of sudden shutdown of the device caused by the user forgetting to bring the charger or inconvenient charging with an external power cord. As long as the user shakes or shakes the device, it can be used The mechanical energy of the device enables wireless charging of the device battery;

2) It can make full use of the mechanical energy generated by the vibration of the device when the device calls, text messages, or carries the device to move, to charge the device battery;

3) It has the advantages of environmental protection and energy saving, and realizes the repeated utilization of energy.

It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can.

It can be known from the above description of the implementation manners that those skilled in the art can clearly understand that the present application can be implemented by means of software plus a necessary general-purpose hardware platform. Based on this understanding, the essence of the technical solution of this application or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in storage media, such as ROM/RAM, disk , CD, etc., including several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods described in various embodiments or some parts of the embodiments of the present application.

Finally, it should also be noted that in this text, relational terms such as first, second, third, and fourth, etc. are only used to distinguish one entity or operation from another entity or operation, and not Any such actual relationship or order between these entities or operations is necessarily required or implied. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also It should be regarded as the protection scope of the present invention.

Claims (8)

1. a supply unit, it is characterised in that described device includes:

Power module；

Control module, be connected with described power module, control for being charged described power module connecting or charge to turn off；

Supply module, it is connected with described control module, for being charged connecting control to described power module in described control module, and when described power module meets default charge inside condition, presets energy is converted to electric energy, and utilizes described electric energy to charge to described power module；

Wherein, described power module includes the first battery and the second battery that are connected with described control module；

Described control module includes:

Control switch, be connected with described power module, described supply module；

First controller, it is connected with described control switch, for when described first battery meets preset charged condition, sending the first control instruction to described control switch, when described second battery meets preset charged condition, send the second control instruction to described control switch；Wherein, described first control instruction is used for indicating the described switch that controls to be charged described first battery connecting control, described second control instruction is used for indicating the described switch that controls to be charged described second battery connecting control, and described charging is connected control and is used for connecting described supply module and described power module.

2. device according to claim 1, it is characterised in that described control switch is also connected with load；Described first control instruction that then described first controller sends is additionally operable to that described second battery carries out electric discharge and connects control, described second control instruction that described first controller sends is additionally operable to that described first battery carries out electric discharge and connects control, and described electric discharge is connected control and is used for connecting described load and described power module.

3. device according to claim 1 and 2, it is characterized in that, described preset charged condition is that the dump energy of battery is lower than predetermined threshold value, then described first controller is for detecting the dump energy of described first battery, described second battery in real time, and when the dump energy of described first battery or described second battery is lower than described predetermined threshold value, send corresponding first control instruction or the second control instruction to described control switch.

4. device according to claim 1 and 2, it is characterised in that described presets energy is mechanical energy, then described supply module includes:

Electromotor, is used for converting mechanical energy into electric energy；

Second controller, for when described power module meets default charge inside condition, sending charge inside instruction；When described power module meets default external charging condition, send external charging instruction；

Analog switch, is connected to described control between switch and described electromotor, and is connected with described second controller；For when the charge inside instruction receiving described second controller, connecting described electromotor and control switch with described, when the external charging instruction receiving described second controller, connect external charging device and control switch with described.

5. device according to claim 4, it is characterised in that described external charging condition is: detect that external charging device accesses described supply unit or receives the external charging request of user；Described charge inside condition is: is not detected by external charging device and accesses described supply unit or receive the charge inside request of user.

6. device according to claim 4, it is characterised in that described electromotor is minisize dc electric generator, described minisize dc electric generator adopts piezoelectric generator or vibrating electricity generator to convert mechanical energy into electric energy.

7. device according to claim 6, it is characterised in that the positive pole of described minisize dc electric generator connects described analog switch, and negative pole connects common port.

8. an electronic equipment, it is characterised in that including electronic equipment body and the supply unit as described in claim 1-7 any one, described electronic equipment body includes electronic equipment load；

Wherein, described supply unit is for providing power supply to described electronic equipment load.