A battery and electronic device

Abstract

The application provides a battery and an electronic device. The battery comprises: a battery shell; a battery cell arranged in the inside of the battery shell, a first positive power transmission line led out from a positive electrode of the battery cell, and a first negative power transmission line led out from a negative electrode of the battery cell; a first connecting body connected to the first positive power transmission line and arranged outside the battery shell; and a second connecting body connected to the first negative power transmission line and arranged outside the battery shell, wherein the first connecting body and the second connecting body are arranged at different positions outside the battery shell, respectively.

Description

Technical Field

[0001] This application relates to the field of battery technology, and more particularly to a battery and an electronic device. Background Technology

[0002] In the existing technology, the conventional wiring method of dual FPC (Flexible Printed Circuit) soft-pack batteries is to lead out the positive and negative terminals of the battery and connect them to the connection contacts of each FPC connector. If there is an insulation abnormality between the connection contacts of the FPC connector, it will cause the battery to short circuit, thereby affecting the power consumption of the electronic devices powered by the battery. Utility Model Content

[0003] In view of this, the purpose of this application is to provide a battery and electronic device that solves the technical problem in the prior art where each connector is connected to both the positive and negative terminals of the battery cell, resulting in a high probability of short circuits, and achieves the technical effect of preventing battery short circuits.

[0004] In a first aspect, embodiments of this application provide a battery, the battery comprising: a battery casing; a cell disposed inside the battery casing, with a first positive power transmission line led out from the positive terminal of the cell and a first negative power transmission line led out from the negative terminal of the cell; a first connecting body connected to the first positive power transmission line and disposed outside the battery casing; and a second connecting body connected to the first negative power transmission line and disposed outside the battery casing, wherein the second connecting body and the first connecting body are respectively disposed at different positions outside the battery casing.

[0005] Optionally, the first connection body includes at least one first power contact, and the second connection body includes at least one second power contact, wherein the first power contact is connected to the first positive power transmission line, and the second power contact is connected to the first negative power transmission line.

[0006] Optionally, the first connection body includes at least one first voltage contact, the second connection body includes at least one second voltage contact, and the battery further includes a first voltage acquisition module and a second voltage acquisition module. One end of the first voltage acquisition module is connected to the positive terminal of the cell corresponding to the first positive power transmission line, and the other end of the first voltage acquisition module is connected to the first voltage contact. One end of the second voltage acquisition module is connected to the negative terminal of the cell corresponding to the first negative power transmission line, and the other end of the second voltage acquisition module is connected to the second voltage contact.

[0007] Optionally, the first voltage acquisition module includes a first resistor disposed between the first cell electrode and the first voltage contact, and / or the second voltage acquisition module includes a second resistor disposed between the second cell electrode and the second voltage contact.

[0008] Optionally, the battery further includes a temperature sensor for collecting the temperature of the cell, wherein the first connection body or the second connection body includes a temperature contact, and the temperature sensor is connected to the temperature contact.

[0009] Optionally, the temperature sensor includes a thermistor, one end of which is connected to the first negative power transmission line, and the other end of which is connected to the temperature contact, wherein the temperature contact is disposed in the second connection body corresponding to the first negative power transmission line.

[0010] Optionally, the battery further includes a resistor module for providing a preset resistance value, and the first connection body or the second connection body further includes an identifier contact, the resistor module being connected to the identifier contact.

[0011] Optionally, the resistor module includes a connecting wire, one end of which is connected to the first negative power transmission line, and the other end of which is connected to the identifier contact, wherein the identifier contact is disposed on the second connection body corresponding to the first negative power transmission line.

[0012] Optionally, both the first connecting body and the second connecting body protrude from one side of the outside of the battery casing.

[0013] Secondly, embodiments of this application also provide an electronic device, the electronic device comprising: a motherboard, the motherboard including a second positive power transmission line and a second negative power transmission line; a third connection body, connected to the second positive power transmission line and matched with the first connection body; a fourth connection body, connected to the second negative power transmission line and matched with the second connection body; and a battery as described in the first aspect or any possible implementation of the first aspect.

[0014] This application provides a battery and electronic device. The battery includes: a battery casing; a battery cell disposed inside the battery casing, with a first positive power transmission line led out from the positive terminal of the battery cell and a first negative power transmission line led out from the negative terminal of the battery cell; a first connecting body connected to the first positive power transmission line and disposed outside the battery casing; and a second connecting body connected to the first negative power transmission line and disposed outside the battery casing. The second connecting body and the first connecting body are respectively disposed at different positions outside the battery casing. This application solves the technical problem in the prior art where each connector is connected to both the positive and negative terminals of the battery cell, resulting in a high probability of short circuits, by having the first positive and negative power transmission lines led out from the positive terminal of the battery cell and the first negative power transmission line led out from the negative terminal of the battery cell. The first connecting body and the second connecting body are then separately disposed outside the battery casing. This achieves the technical effect of preventing battery short circuits.

[0015] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of the structure of a battery provided in an embodiment of this application is shown.

[0018] Figure 2 A schematic diagram of another battery structure provided in an embodiment of this application is shown.

[0019] Figure 3 A schematic diagram of the first connection body and the second connection body of the battery provided in the embodiments of this application is shown.

[0020] Figure 4 A schematic diagram of the connection contacts of the first connection body provided in an embodiment of this application is shown.

[0021] Figure 5 A schematic diagram of the connection contacts of the second connection body provided in an embodiment of this application is shown.

[0022] Figure 6 A circuit diagram of a battery provided in an embodiment of this application is shown. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. Based on the embodiments of this application, every other embodiment obtained by those skilled in the art without inventive effort falls within the scope of protection of this application.

[0024] In existing technology, each FPC connector of a dual-FPC soft-pack battery connects to both the positive and negative terminals of the cell. This means that one contact point on each FPC connector connects to the positive terminal of the cell, and the other contact point connects to the negative terminal. Connecting both the positive and negative terminals of a cell to a single FPC connector can easily lead to a short circuit, affecting battery application.

[0025] To address the aforementioned problems, this application provides a battery and electronic device that, by leading the positive terminal of the battery cell out through a first positive power transmission line and the negative terminal of the battery cell out through a first negative power transmission line, connecting one of the first positive power transmission line and the first negative power transmission line to a first connecting body, and connecting the other of the first positive power transmission line and the first negative power transmission line to a second connecting body, thereby respectively placing the first positive power transmission line and the first negative power transmission line on different connecting bodies, and further separating the first connecting body and the second connecting body outside the battery casing, solves the technical problem in the prior art where each connector is connected to both the positive and negative terminals of the battery cell, resulting in a high probability of short circuits, and achieves the technical effect of preventing battery short circuits. Specifically, as follows: Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of a battery provided in an embodiment of this application. Figure 1As shown, the battery provided in this application embodiment includes: a battery casing 101; a battery cell 102 disposed inside the battery casing, with a first positive power transmission line led out from the positive terminal of the battery cell and a first negative power transmission line led out from the negative terminal of the battery cell; a first connecting body 103 connected to the first positive power transmission line and disposed outside the battery casing; and a second connecting body 104 connected to the first negative power transmission line and disposed outside the battery casing, wherein the second connecting body and the first connecting body are respectively disposed at different positions outside the battery casing.

[0026] like Figure 1 As shown, a first positive power transmission line is drawn from the positive terminal of the battery cell, and a first negative power transmission line is drawn from the negative terminal of the battery cell. A first connecting body is connected to the first positive power transmission line, and a second connecting body is connected to the first negative power transmission line. Furthermore, the first connecting body is connected only to the positive terminal of the battery cell, and the second connecting body is connected only to the negative terminal of the battery cell. The first and second connecting bodies are connected to different polarities of the battery cell, respectively. Moreover, by placing the first and second connecting bodies at different locations on the outside of the battery casing, the possibility of the first and second connecting bodies connecting to each other is reduced, further reducing the possibility of a short circuit caused by a short connection between the positive and negative terminals of the battery.

[0027] Specifically, both the first connecting body and the second connecting body protrude from one side of the outside of the battery casing. That is, the first connecting body protrudes from a predetermined position outside the battery casing, and the second connecting body protrudes from another predetermined position outside the battery casing. Both the predetermined position of the first connecting body and the other predetermined position of the second connecting body are on one side of the outside of the battery casing, which facilitates the subsequent connection of the battery to external devices.

[0028] For example, the first connecting body is a connecting body of a flexible printed circuit board connector (FPC connector), and the second connecting body is a connecting body of another flexible printed circuit board connector. Furthermore, both the first and second connecting bodies are pre-defined connecting bodies of the protruding structures of the flexible printed circuit board connector, where the pre-defined connecting body refers to the male connector socket of the flexible printed circuit board connector. The flexible printed circuit board connector also includes a target connecting body that matches the pre-defined connecting body, where the target connecting body refers to the female connector socket of the flexible printed circuit board connector. The target connecting body is disposed on an external device, and the battery and the external device are connected through the mutual mating and connection of the pre-defined connecting body and the target connecting body to achieve power transmission.

[0029] Specifically, the first connection body includes at least one first power contact, and the second connection body includes at least one second power contact, wherein the first power contact is connected to the first positive power transmission line, and the second power contact is connected to the first negative power transmission line.

[0030] In other words, the first connecting body is connected to the positive terminal of the battery cell by connecting the first positive power transmission line through the first power contact, and the second connecting body is connected to the negative terminal of the battery cell by connecting the first negative power transmission line through the second power contact, thereby connecting the positive and negative terminals of the battery cell to different connecting bodies respectively. The first and second power contacts are used for power transmission, transferring power from the battery cell to an external device to charge the device, or transferring power from an external device to the battery cell to charge the battery.

[0031] Since the first positive power transmission line and the first negative power transmission line have different polarities, the first power contact and the second power contact also have different polarities.

[0032] For example, please refer to Figure 2 , Figure 2 This is a schematic diagram of another battery structure provided in an embodiment of this application. Figure 2 As shown, the first connecting body 103 includes at least one first power contact P+, and the second connecting body 104 includes at least one second power contact P-. Since the first connecting body is connected to the first positive power transmission line and the second connecting body is connected to the first negative power transmission line, the first power contact P+ is connected to the first positive power transmission line, and the second power contact P- is connected to the first negative power transmission line.

[0033] Specifically, the first connection body includes at least one first voltage contact, the second connection body includes at least one second voltage contact, and the battery further includes a first voltage acquisition module and a second voltage acquisition module. One end of the first voltage acquisition module is connected to the positive terminal of the cell corresponding to the first positive power transmission line, and the other end of the first voltage acquisition module is connected to the first voltage contact. One end of the second voltage acquisition module is connected to the negative terminal of the cell corresponding to the first negative power transmission line, and the other end of the second voltage acquisition module is connected to the second voltage contact.

[0034] The first voltage contact and the second voltage contact serve as cell voltage acquisition points. The first voltage acquisition module is positioned between the first voltage contact of the first connecting body and the positive terminal of the cell, and the second voltage acquisition module is positioned between the second voltage contact of the second connecting body and the negative terminal of the cell. This allows the first and second voltage contacts of the first and second connecting bodies to provide acquisition points for cell voltage to be collected by external devices. External devices can deduce the cell voltage value of the battery by using the voltage values ​​acquired by the first and second voltage contacts of the first and second connecting bodies, respectively.

[0035] The first voltage acquisition module includes a first resistor disposed between the positive terminal of the battery cell and the first voltage contact, and / or the second voltage acquisition module includes a second resistor disposed between the negative terminal of the battery cell and the second voltage contact.

[0036] In other words, the first resistor provides the voltage sampling point for the positive terminal of the battery cell, and the second resistor provides the voltage sampling point for the negative terminal of the battery cell. For example, as shown... Figure 2 As shown, the first resistor R1 of the first voltage acquisition module is positioned between the positive terminal of the battery cell and the first voltage contact BS+, and the second resistor R2 of the second voltage acquisition module is positioned between the negative terminal of the battery cell and the second voltage contact BS-. Therefore, an external device can infer the voltage value of the battery cell from the voltage difference between the first voltage contact BS+ and the second voltage contact BS-.

[0037] For example, the first and second resistors can be voltage divider resistors to protect the circuit. Alternatively, the first and second voltage acquisition modules can be configured with only connecting wires. The first voltage contact is directly connected to the positive terminal of the battery cell via the connecting wire of the first voltage acquisition module, and the second voltage contact is directly connected to the negative terminal of the battery cell via the connecting wire of the second voltage acquisition module, thereby directly acquiring the battery cell voltage value between the positive and negative terminals. The first and second voltage acquisition modules can also be configured with voltage acquisition chips. The acquisition pin of the first voltage acquisition module is connected to the positive terminal of the battery cell, and its output pin is connected to the first voltage contact. The acquisition pin of the second voltage acquisition module is connected to the negative terminal of the battery cell, and its output pin is connected to the second voltage contact. This allows external devices to directly obtain the battery cell voltage value through the voltage signal transmitted by the first and second voltage contacts. External devices can determine the battery cell voltage value using the first and second voltage contacts; this application does not limit the method by which the first and second voltage acquisition modules provide the battery cell voltage value.

[0038] Specifically, the battery also includes a temperature sensor for collecting the temperature of the cell, wherein the first connection body or the second connection body includes a temperature contact, and the temperature sensor is connected to the temperature contact.

[0039] In other words, the first connecting body includes a temperature contact, or the second connecting body includes a temperature contact, and the temperature sensor is connected to the temperature contact so that the external device can determine the cell temperature through the temperature contact. The temperature sensor should be located inside the battery casing to collect the cell temperature.

[0040] For example, the temperature sensor includes a thermistor, one end of which is connected to the first negative power supply transmission line, and the other end of which is connected to the temperature contact. The temperature contact can be disposed on the first connection body, so that an external device determines the cell temperature through the temperature contact on the first connection body. The thermistor can be an RTD (Resistance Temperature Detector).

[0041] The temperature contact is located on the second connecting body corresponding to the first negative power transmission line, so that the thermistor is located between the first negative power transmission line and the second connecting body. Since the second connecting body is connected to the first negative power transmission line, in order to keep the negative terminal of the battery cell connected only to the second connecting body, the temperature contact is set on the second connecting body.

[0042] For example, such as Figure 2 As shown, the negative terminal of the battery cell is grounded to GND, the second connection body 104 is connected to the first negative power transmission line, a temperature contact TH is provided on the second connection body 104, and a thermistor R3 is set between the temperature contact TH and the first negative power transmission line, so that the external device can determine the resistance value of the thermistor R3 through the temperature contact TH, and infer the temperature of the battery cell through the resistance value of the thermistor R3.

[0043] Among them, the temperature sensor can also be an NTC temperature sensor (Negative Temperature Coefficient), a thermocouple, or a temperature detection chip.

[0044] Specifically, the battery further includes a resistor module for providing a preset resistance value, and the first connection body or the second connection body further includes an identifier contact, the resistor module being connected to the identifier contact.

[0045] In other words, a preset resistance value is provided by a resistor module, which is connected to an identifier contact of one of the first and second connection bodies. This allows an external device to determine the preset resistance value provided by the resistor module through the identifier contact. Different preset resistance values ​​correspond to different battery manufacturers, allowing the external device to detect the preset resistance value through the identifier contact and thus identify the battery manufacturer. This facilitates the external device's statistical recording of the operating status of batteries from various manufacturers.

[0046] For example, such as Figure 2 As shown, the resistor module includes a connecting wire, one end of which is connected to the first negative power transmission line, and the other end of which is connected to the identifier contact ID, wherein the identifier contact is disposed on the connecting body of the first negative power transmission line.

[0047] In other words, the resistor module can be equipped with only one connection line, which provides the preset resistance value corresponding to the grounding terminal by grounding the connection line. When the connection line of the resistor module is directly grounded, the identifier contact can be set on the second connection body corresponding to the first negative power transmission line. Since the second connection body is connected to the negative terminal of the battery cell, the potential of each contact on the second connection body tends to be consistent, preventing short circuits.

[0048] The identifier contact can also be set on the first connection body, so that the connection line is located between the first connection body and the first negative power transmission line, so that the external device can identify the preset resistance value through the identifier contact on the first connection body.

[0049] For example, the resistor module can also select a resistor and place it between the identifier contact and the connection body corresponding to the first negative power transmission line, so that the external device can identify the resistance value of the resistor through the identifier contact, thereby identifying the manufacturer of the resistor.

[0050] For example, please refer to Figure 3 , Figure 3 This is a schematic diagram of the first and second connecting bodies of the battery provided in an embodiment of this application. Figure 3 As shown, the first connecting body 103 and the second connecting body 104 are both pre-set connecting bodies with protruding structures of flexible circuit board connectors. The pre-set connecting body contains eight connecting contact points, and the corresponding target connecting body of the flexible circuit board connector also has eight connecting contact points. The connecting contact points on the pre-set connecting body and the connecting contact points on the target connecting body are connected one-to-one.

[0051] For example, please refer to Figure 4 and Figure 5 , Figure 4This is a schematic diagram of the connection contacts of the first connection body provided in an embodiment of this application. Figure 5 This is a schematic diagram of the connection contacts of the second connection body provided in an embodiment of this application. Figure 4 As shown, the first connection body includes two first power contacts P+, one first voltage contact BS+, and five empty contacts NC, such that the sum of the number of empty contacts NC, the number of first power contacts P+, and the number of first voltage contacts BS+ equals the total number of connection contacts of the preset connection body. Figure 5 As shown, the second connection body includes two second power contacts P-, one second voltage contact BS-, one temperature contact TH, one identifier contact ID, and three empty contacts NC, such that the number of empty contacts NC, the number of second power contacts P-, the number of second voltage contacts BS-, the number of temperature contacts TH, and the number and value of identifier contacts ID are equal to the total number of connection contacts of the preset connection body.

[0052] For example, please refer to Figure 6 , Figure 6 This is a circuit diagram of a battery provided in an embodiment of this application. Figure 6 As shown, the positive terminal Bat+ of the battery cell is led out through a first positive power transmission line and connected to the first power contact P+ of the first connecting body 103. The negative terminal Bat- of the battery cell is led out through a first negative power transmission line and connected to the second power contact P- of the second connecting body 104. A first resistor R1 is set between the first positive power transmission line and the first voltage contact BS+ of the first connecting body 103. The negative terminal Bat- of the battery cell is grounded to GND. At least one protection chip (U1 to Un) is set between the connection point of the first resistor R1 to the first positive power transmission line and the first power contact P+. At least one charge / discharge control switch (Q1 to Qn) is set on the first negative power transmission line. One charge / discharge control switch is set for each protection chip. One end of the second resistor R2 is connected between the first preset terminal of the charge / discharge control switch closest to the second connection body 104 and the second power contact P-. The first preset terminal refers to the end of the charge / discharge control switch closest to the second power contact P-. The other end of the second resistor R2 is connected to the first voltage contact BS- of the second connection body 104. The temperature contact of the second connection body 104 is connected to the first negative power transmission line through the third resistor. The identifier contact ID of the second connection body 104 is connected to the first negative power transmission line.

[0053] The battery includes a sampling resistor R0, which is set on the first negative power transmission line and located between the negative terminal Bat- of the cell and the second preset terminal of the charge / discharge control switch closest to the cell. The second preset terminal refers to the end of the charge / discharge control switch closest to the negative terminal of the cell. A first connection point EPO is led out between the sampling resistor and the nearest charge / discharge control switch.

[0054] In this configuration, for each protection chip, the power supply pin VDD is connected to one end of the fourth resistor R4, and the other end of the fourth resistor R4 is connected to the first positive power transmission line to supply power to the protection chip. The first capacitor is located between the other end of the fourth resistor R4 and the ground pin VSS of the protection chip, and the ground pin VSS is grounded. The first sampling pin VIN of the protection chip is connected to the first connection point EPO to collect the voltage value of the first connection point EPO. The second sampling pin VM of the protection chip is connected to one end of the fifth resistor, and the other end of the fifth resistor is connected to the second connection point (EP1 to EPn) of the corresponding charge / discharge control switch of the protection chip. The second connection point is led out from the first preset terminal of the corresponding charge / discharge control switch of the protection chip. The second sampling pin VM is used to collect the voltage value of the second connection point. Thus, the protection chip can determine whether the voltage values ​​collected by the first sampling pin VIN and the second sampling pin VM fall within the corresponding protection range. If they fall within the corresponding protection range, the corresponding charge / discharge control switch of the protection chip is kept closed; if they do not fall within the corresponding protection range, the corresponding charge / discharge control switch of the protection chip is opened.

[0055] Each charge / discharge control switch comprises a charging control switch and a discharging control switch connected in series. For each protection chip, the charging output terminal CO of the protection chip is connected to the control terminals (EPc1 to EPcn) of the charging control switch (Q11 to Qn1) of the corresponding charge / discharge control switch. The discharging output terminal DO of each protection chip is connected to the control terminals (EPd1 to EPdn) of the discharging control switch (Q12 to Qn2). Therefore, during battery charging, the protection chip controls the charge / discharge control switch via the charging output terminal CO; during battery discharging, the protection chip controls the charge / discharge control switch via the discharging output terminal DO.

[0056] For example, for each charge / discharge control switch, a first capacitor bank is connected in parallel across the two ends of the charge / discharge control switch. The first resistor bank includes a second capacitor C2 and a third capacitor C3 connected in series, which serve to stabilize the voltage across the charge / discharge control switch.

[0057] For example, for each charge / discharge control switch, at least one other charge / discharge control switch can be connected in parallel across its two ends. The control terminal of the charging control switch of the other charge / discharge control switch is connected to the charging output terminal of the protection chip corresponding to the charge / discharge control switch, and the control terminal of the discharging control switch of the other charge / discharge control switch is connected to the discharging output terminal of the protection chip corresponding to the charge / discharge control switch, so as to prevent the corresponding action from being unable to be performed when a charge / discharge control switch fails.

[0058] For example, the battery also includes a second capacitor bank, which includes a fourth capacitor C4 and a fifth capacitor C5 connected in series. One end of the second capacitor is connected to the first positive power transmission line and is located between the protection chip closest to the first connection body and the first power contact. The other end of the second capacitor is connected to the first negative power transmission line and is located between the first preset terminal of the charge / discharge control switch closest to the second connection body and the second power contact, which serves as a filter to make the voltage value collected by the protection chip more stable.

[0059] Based on the same application concept, this application also provides an electronic device corresponding to the battery provided in the above embodiments. Since the principle of solving the problem by the electronic device in this application is similar to that of the battery in the above embodiments of this application, the implementation of the electronic device can refer to the implementation of the battery, and the repeated parts will not be described again.

[0060] For example, this application also provides an electronic device, the electronic device comprising: a motherboard, the motherboard including a second positive power transmission line and a second negative power transmission line; a third connection body, connected to the second positive power transmission line and mated with the first connection body; a fourth connection body, connected to the second negative power transmission line and mated with the second connection body; and a battery as described in the above embodiments.

[0061] The electronic device can be a battery-powered device such as a mobile phone or tablet. Furthermore, the third connecting body installed on the motherboard matches the first connecting body, and the first and third connecting bodies combine to form a flexible circuit board connector. The fourth connecting body installed on the motherboard matches the second connecting body, and the second and fourth connecting bodies combine to form another flexible circuit board connector.

[0062] The third connecting body is provided with a third power contact that matches the first power contact, and the third power contact is led out as the second positive power transmission line on the motherboard. The fourth connecting body is provided with a fourth power contact that matches the second power contact, and the fourth power contact is led out as the second negative power transmission line on the motherboard, so as to supply power to the components on the motherboard through the second positive power transmission line and the second negative power transmission line.

[0063] For example, if according to Figure 4 When setting the connection contacts of the first connection body, the third connection body includes two third power contacts that match the two first power contacts P+, one third voltage contact that matches the one first voltage contact BS+, and five empty contacts NC. That is, each connection contact on the first connection body corresponds one-to-one with each connection contact on the third connection body. If according to... Figure 5When setting the connection contacts of the second connection body, the fourth connection body includes two fourth power contacts that match the two second power contacts P-, a fourth voltage contact that matches the second voltage contact BS-, a temperature acquisition contact that matches the temperature contact TH, an identification contact that matches the identifier contact ID, and three empty contacts NC. That is, each connection contact on the second connection body is set in a one-to-one correspondence with each connection contact on the fourth connection body.

[0064] Furthermore, the motherboard receives or transmits electrical energy to the battery through the third power contact of the third connection body and the fourth power contact of the fourth connection body, collects the cell voltage value of the battery through the third voltage contact and the fourth voltage contact, collects the resistance value of the thermistor in the battery through the temperature collection contact to determine the cell temperature, and collects the preset resistance value corresponding to the battery identifier contact through the identification contact to identify the battery manufacturer.

[0065] Furthermore, this application reduces the risk of short circuits in the battery by connecting the battery's main body to different cell electrodes, and sets only one power transmission line corresponding to one cell electrode on a single main body, thereby increasing the current carrying capacity of each connector.

[0066] In the description of this application, it should be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0067] It should also be noted that, unless otherwise explicitly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0068] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A battery, characterized in that, The battery includes: Battery casing; A battery cell is disposed inside the battery casing, with a first positive power transmission line led out from the positive terminal of the battery cell and a first negative power transmission line led out from the negative terminal of the battery cell; The first connecting body is connected to the first positive power transmission line and is disposed on the outside of the battery casing; The second connecting body is connected to the first negative power transmission line and is disposed on the outside of the battery casing. The second connecting body and the first connecting body are respectively disposed at different positions on the outside of the battery casing.

2. The battery according to claim 1, characterized in that, The first connection body includes at least one first power contact, and the second connection body includes at least one second power contact. The first power contact is connected to the first positive power transmission line, and the second power contact is connected to the first negative power transmission line.

3. The battery according to claim 1, characterized in that, The first connection body includes at least one first voltage contact, the second connection body includes at least one second voltage contact, and the battery further includes a first voltage acquisition module and a second voltage acquisition module. In this configuration, one end of the first voltage acquisition module is connected to the positive terminal of the battery cell corresponding to the first positive power transmission line, and the other end of the first voltage acquisition module is connected to the first voltage contact. One end of the second voltage acquisition module is connected to the negative terminal of the battery cell corresponding to the first negative power transmission line, and the other end of the second voltage acquisition module is connected to the second voltage contact.

4. The battery according to claim 3, characterized in that, The first voltage acquisition module includes a first resistor, which is disposed between the positive terminal of the battery cell and the first voltage contact. And / or, the second voltage acquisition module includes a second resistor disposed between the negative terminal of the battery cell and the second voltage contact.

5. The battery according to claim 1, characterized in that, The battery also includes a temperature sensor for collecting the temperature of the battery cell. The first or second connection body includes a temperature contact, and the temperature sensor is connected to the temperature contact.

6. The battery according to claim 5, characterized in that, The temperature sensor includes a thermistor, one end of which is connected to the first negative power supply transmission line, and the other end of which is connected to the temperature contact. The temperature contact is located in the second connection body corresponding to the first negative power transmission line.

7. The battery according to claim 1, characterized in that, The battery also includes a resistor module for providing a preset resistance value. The first connection body or the second connection body further includes an identifier contact, and the resistor module is connected to the identifier contact.

8. The battery according to claim 7, characterized in that, The resistor module includes a connecting wire, one end of which is connected to the first negative power supply transmission line, and the other end of which is connected to the identifier contact. The identifier contact is located on the second connection body corresponding to the first negative power transmission line.

9. The battery according to any one of claims 1 to 8, characterized in that, Both the first connecting body and the second connecting body protrude from one side of the outside of the battery casing.

10. An electronic device, characterized in that, The electronic device includes: The motherboard includes a second positive power transmission line and a second negative power transmission line. The third connection body connects to the second positive power transmission line and is compatible with the first connection body; The fourth connection body connects to the second negative power transmission line and is compatible with the second connection body; The battery as described in any one of claims 1 to 9.

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