Battery top cover, single battery and battery module

Abstract

The utility model relates to the technical field of battery production, in particular to a battery top cover, a single battery and a battery module. The battery top cover comprises a top cover body and a monitoring module, a first connector is arranged on the side wall of the monitoring module, the first connector is located on the outer side of the top cover body, and the first connector extends towards the corner position of the top cover body. According to the utility model, through the arrangement of the positions of the monitoring module and the first connector, the first connector can be conveniently connected with external connectors such as a line concentration box of the battery module. The first connector extends towards the corner position of the top cover body, so that the first connector can be arranged at the edge of the battery top cover, and an external connector can be conveniently connected with the first connector from the edge of the battery top cover; meanwhile, the first connector is prevented from being connected with the pole on the battery top cover, and the circuit safety of the single battery is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field, especially relate to a battery top cover, single battery and battery module. BACKGROUND

[0002] In the monitoring of the air pressure or temperature of the single battery, the monitoring module is generally arranged at the middle part of the battery top cover to avoid the connection between the monitoring module and the battery pole, which may cause wiring difficulty when the monitoring module is connected with the battery management system of the battery module. The existing solution is to arrange a wireless module in the monitoring module of the single battery, and transmit the monitoring data obtained by the monitoring module to the battery management system of the battery module through the wireless module. However, the wireless transmission has a delay, and the wireless signal is easily disturbed in the complex battery module, which may cause the monitoring signal of the monitoring module to be unable to be accurately transmitted, and even affect the use safety of the battery module. SUMMARY

[0003] In order to solve the problems of the prior art, the utility model provides a battery top cover, a single battery and a battery module, which can avoid the wiring difficulty when the monitoring module is connected with the battery management system of the battery module, and the problem that the monitoring signal cannot be accurately transmitted when the monitoring module is arranged with a wireless module.

[0004] The technical effects achieved by the utility model are realized through the following aspects:

[0005] In a first aspect, the utility model provides a battery top cover, which comprises:

[0006] a top cover body provided with a first mounting hole arranged at a corner position of the top cover body; and

[0007] a monitoring module arranged in the first mounting hole, the monitoring module being used to monitor the state information inside the single battery.

[0008] The side wall of the monitoring module is provided with a first connector, the first connector is located outside the top cover body, and the first connector extends towards the corner position of the top cover body.

[0009] In some implementations, the outer side surface of the top cover body is provided with a first slot, the first slot is in communication with the first mounting hole, and the first connector of the monitoring module extends into the first slot.

[0010] In some implementations, the side wall of the monitoring module is further provided with a protection plate, the protection plate is located on both sides or the circumferential side of the first connector.

[0011] In some implementations, the top cover body includes a first insulating plate, a cover plate, and a second insulating plate. The cover plate is disposed at the upper end of the first insulating plate, and the second insulating plate is disposed at the upper end of the cover plate. The first mounting hole is disposed through the first insulating plate, the cover plate, and the second insulating plate.

[0012] In some implementations, the sidewall of the second insulating plate is provided with a clearance opening to avoid the first connector.

[0013] In some implementations, the top cover body is further provided with a second mounting hole, in which a pole post is installed, and the second mounting hole is provided through the first insulating plate, the cover plate and the second insulating plate.

[0014] In this implementation, the positioning of the monitoring module and the first connector within the battery top cover facilitates connection between the first connector and external connectors such as the battery module's junction box. Because the first connector extends towards the corner of the top cover body, it is positioned at the edge of the battery top cover, allowing external connectors to establish a connection with it from the edge. Simultaneously, it avoids connection between the first connector and the terminals on the battery top cover, ensuring the circuit safety of the individual battery cells.

[0015] Secondly, this utility model provides a single-cell battery, comprising:

[0016] The housing includes a receiving cavity with an opening;

[0017] Electrode assemblies are installed within the accommodating cavity; and

[0018] The aforementioned battery top cover closes to the opening.

[0019] In this implementation, a monitoring module monitors the internal status information of a single battery cell. The monitoring module is equipped with a first connector located on the outside of the single battery cell. This facilitates the connection between the external connector and the first connector from the edge of the battery top cover. At the same time, it prevents the first connector from connecting to the terminals on the battery top cover, thus ensuring the circuit safety of the single battery cell.

[0020] Thirdly, this utility model provides a battery module, comprising:

[0021] At least one of the aforementioned single-cell batteries; and

[0022] The junction box has at least one second connector, which is electrically connected to the first connector of the single battery cell, and the signal line of the second connector being electrically connected to the battery management system is housed in the junction box.

[0023] In some implementations, the hub includes a battery docking layer and a signal transmission layer, the battery docking layer is provided with at least one connector mounting portion, the battery docking layer is provided with a first through hole in communication with the connector mounting portion, the signal transmission layer is provided with a second through hole in communication with the first through hole, and the second connector is mounted in the connector mounting portion, and the signal line electrically connected with the second connector passes through the first through hole and is received in the second through hole.

[0024] In some implementations, the connector mounting portion is provided with at least one second slot, and the second connector is located in the second slot, and the first through hole is in communication with the second slot.

[0025] In some implementations, the connector mounting portion is protrudingly arranged at a lower end of the battery docking layer, and the connector mounting portion is abuttingly arranged in the first slot of the battery top cover, so as to electrically connect the second connector with the first connector.

[0026] In some implementations, the battery docking layer and the signal transmission layer are detachably connected, and the signal transmission layer is provided with a wire slot at a communication position of the second through hole and the first through hole.

[0027] In some implementations, when the number of signal lines electrically connected with the second connector is multiple, the number of the first through holes and the number of the second through holes are both multiple, the multiple first through holes are arranged in a staggered manner along a diagonal direction, and the multiple second through holes are arranged in a spaced manner along the same direction.

[0028] In some implementations, when the number of the single batteries is multiple, the hub is provided with multiple second connectors along a length direction of the hub, the multiple single batteries are arranged along the length direction of the hub, the first connector of each single battery is electrically connected with the corresponding second connector, and the signal line is arranged along the length direction of the hub.

[0029] In some implementations, the battery module receives the signal lines of the multiple single batteries through the hub, so that the first connector of the monitoring module of the single battery is connected to the hub, and is uniformly connected to the battery management system by the hub, which is reasonable in wiring design, avoids line disorder caused by separate lead connection of the single battery and the battery management system, avoids the situation that the monitoring signal is difficult to accurately transmit due to the use of a wireless module, and improves the safety of the battery module.

[0030] In summary, the utility model has at least the following advantages:

[0031] 1. The battery top cover provided by the utility model, through the position setting of the monitoring module and the first connector, the first connector is connected with the external connector such as the concentrator box of the battery module conveniently. Since the first connector extends and is arranged at the corner position of the top cover body, the first connector can be arranged at the edge of the battery top cover, and the external connector can be connected with the first connector from the edge of the battery top cover conveniently, meanwhile, the first connector is avoided from being connected with the pole column on the battery top cover, and the circuit safety of the single battery is ensured.

[0032] 2. The single battery provided by the utility model, through the state information monitoring of the single battery by the monitoring module, the first connector is arranged on the monitoring module, and the first connector is located on the outside of the single battery; the external connector can be connected with the first connector from the edge of the battery top cover conveniently; meanwhile, the first connector is avoided from being connected with the pole column on the battery top cover, and the circuit safety of the single battery is ensured.

[0033] 3. The battery module provided by the utility model, through the setting of the concentrator box, the first connector of the monitoring module in one or more single batteries can be connected, and the signal line is arranged and led out according to the line of the concentrator box; the line disorder caused by the separate leading wire of the single battery and the connection with the battery management system is avoided, the situation that the monitoring signal is difficult to transmit accurately caused by the wireless module is avoided, and the safety of the battery module is improved. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a structural schematic view of the battery top cover of some embodiments;

[0035] Figure 2 It is an exploded view of the battery top cover shown in the figure; Figure 1

[0036] Figure 3 It is an exploded view of the monitoring module shown in the figure; Figure 2

[0037] Figure 4 It is an exploded view of the top cover body shown in the figure; Figure 2

[0038] Figure 5 It is a partial structural schematic view of the battery module of some embodiments;

[0039] Figure 6 It is an exploded structural schematic view of the concentrator box in the battery module shown in the figure; Figure 5

[0040] It is a partial structural schematic view of the concentrator box in the battery module shown in the figure. Figure 7 Figure 5

[0041] Markings in the figure: ​​​​​

[0042] 10. A battery top cover;

[0043] 110. A top cover body; 111. A first mounting hole; 112. A first slot; 113. A first insulating plate; 114. A cover plate; 115. A second insulating plate; 116. An avoiding opening; 117. A pole;

[0044] 120. A monitoring module; 121. A first connector; 122. A sensor module; 123. A mounting bracket; 124. A protection plate; 125. A first boss; 126. A second boss;

[0045] 20. A collecting box;

[0046] 210. A battery docking layer; 211. A connector mounting portion; 212. A first through hole; 213. A second slot;

[0047] 220. A signal transmission layer; 221. A wire slot; 222. A second through hole;

[0048] 230. A second connector;

[0049] 240. A signal wire. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application.

[0051] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0052] Example 1:

[0053] Please refer to the drawings Figure 1 The drawings Figure 4 The battery top cover 10 of the present application comprises a top cover body 110 and a monitoring module 120.

[0054] Among them, please combine Figures 1-4 , Figures 1-2 The structural relationship between the top cover body 110 and the monitoring module 120 in the embodiments of the present application is shown, Figures 3-4 The specific structure of the top cover body 110 and the monitoring module 120 in the embodiments of the present application is shown.

[0055] Specifically, the top cover body 110 is provided with a first mounting hole 111, and the first mounting hole 111 is arranged at a corner position of the top cover body 110; in the embodiment, the corner position of the top cover body 110 includes an edge position or an angle position of the top cover body 110.

[0056] The monitoring module 120 is arranged in the first mounting hole 111, and the monitoring module 120 is used for monitoring state information in the single battery; in the embodiment, the monitoring module 120 is arranged in the first mounting hole 111, and the lower end of the monitoring module 120 is arranged in communication with the inside of the single battery to monitor the state information in the single battery, wherein the state information can be a pressure value or a temperature value in the single battery.

[0057] It should be noted that the side wall of the monitoring module 120 is provided with a first connector 121, the first connector 121 is located outside the top cover body 110, and the first connector 121 extends towards the corner position of the top cover body 110. In the embodiment, the first connector 121 is used for transmitting the state information of the single battery monitored and acquired by the monitoring module 120 to the battery management system of the battery module for processing. Further, the utility model is arranged by the position of the monitoring module 120 and the first connector 121, which facilitates the connection of the first connector 121 with the external connector such as the concentrator box of the battery module. In particular, since the first connector 121 extends towards the corner position of the top cover body 110, the first connector 121 can be arranged at the edge of the battery top cover 10, which facilitates the external connector to establish a connection with the first connector 121 from the edge of the battery top cover 10; at the same time, the first connector 121 is avoided from being connected with the pole 117 on the battery top cover 10, thereby ensuring the safety of the circuit of the single battery.

[0058] In some implementations, the outer side of the top cover body 110 is provided with a first slot 112, the first slot 112 is in communication with the first mounting hole 111, and the first connector 121 of the monitoring module 120 extends and is arranged in the first slot 112. In the embodiment, the first connector 121 can be embedded in the first slot 112, which not only facilitates the connection of the first connector 121 with the external connector, but also protects the first connector 121 through the first slot 112.

[0059] In some implementations, the side wall of the monitoring module 120 is further provided with a protection plate 124 located on both sides or the periphery of the first connector 121. In the embodiment, the protection plate 124 can extend outwardly from the side wall of the monitoring module 120 and be parallel to the first connector 121. The protection plate 124 can be arranged on both sides or the periphery of the first connector 121, so as to better play a protective role for the first connector 121. At the same time, the protection plate 124 can be arranged in the first slot 112 of the top cover body 110, so as to form a slot space of the first connector 121. When the external connector is connected to the first connector 121 along the first slot 112, the external connector can be inserted into the slot space, so as to ensure the connection stability of the first connector 121 and the external connector.

[0060] In addition, it should be noted that the monitoring module 120 comprises a mounting bracket 123 and a sensor module 122. The sensor module 122 is arranged inside the mounting bracket 123. The free end of the first connector 121 protrudes outside the mounting bracket 123, and the first connector 121 is electrically connected to the sensor module 122. The sensor module 122 can be a pressure sensor or a temperature sensor.

[0061] The side wall of the mounting bracket 123 of the monitoring module 120 of the utility model can be further provided with a first boss 125 and a second boss 126. The first boss 125 is arranged at the upper end of the side wall of the mounting bracket 123, and the second boss 126 is arranged at the lower end of the side wall of the mounting bracket 123. The mounting bracket 123 is clamped with the first mounting hole 111 through the first boss 125 and the second boss 126.

[0062] In some implementations, the top cover body 110 comprises a first insulating plate 113, a cover plate 114 and a second insulating plate 115. The cover plate 114 is arranged at the upper end of the first insulating plate 113, and the second insulating plate 115 is arranged at the upper end of the cover plate 114. The first mounting hole 111 penetrates through the first insulating plate 113, the cover plate 114 and the second insulating plate 115. In the embodiment, the first insulating plate 113 and the second insulating plate 115 can be insulating plastic parts or insulating rubber parts. The first insulating plate 113 and the cover plate 114, and the second insulating plate 115 and the cover plate 114 are sealingly and fixedly connected. The first mounting hole 111 penetrates through the first insulating plate 113, the cover plate 114 and the second insulating plate 115, so that when the monitoring module 120 is installed in the first mounting hole 111, the lower end of the monitoring module 120 protrudes from the first insulating plate 113 and communicates with the inside of the single battery to monitor the state information such as the pressure value or the temperature value inside the single battery. The upper end of the monitoring module 120 penetrates through the second insulating plate 115, so that the monitoring module 120 is spaced apart from other structural parts of the battery top cover 10, so as to avoid the risk of short circuit between the monitoring module 120 and other structural parts.

[0063] Specifically, the monitoring module 120 is installed in the first installation hole 111 of the first insulating plate 113 and the cover plate 114, and then the second insulating plate 115 is formed by injection molding, so that the monitoring module 120 is clamped in the first installation hole 111 through the first boss 125 and the second boss 126.

[0064] In some implementations, the side wall of the second insulating plate 115 is provided with a avoiding port 116 avoiding the first connector 121. In the embodiment, the first connector 121 can be led out from the avoiding port 116 and extended into the first slot 112, so as to facilitate the connection between the first connector 121 and the external connector.

[0065] In some implementations, the top cover body 110 is further provided with a second installation hole in which a pole 117 is installed, and the second installation hole penetrates the first insulating plate 113, the cover plate 114 and the second insulating plate 115. In the embodiment, the first installation hole 111 and the second installation hole can be arranged on the same second insulating plate 115, and the first installation hole 111 is arranged at intervals with the second installation hole. In the embodiment, the first installation hole 111 and the second installation hole penetrate the first insulating plate 113, the cover plate 114 and the second insulating plate 115, which not only protects the electrical safety between the monitoring module 120 and the pole 117, but also makes the structure of the battery top cover 10 more integral.

[0066] Embodiment 2:

[0067] The utility model provides a kind of single cell, including shell, electrode assembly and the battery top cover 10 described in embodiment 1;Wherein, shell includes accommodating cavity with opening;Electrode assembly is installed in accommodating cavity;And battery top cover 10 covers in opening.

[0068] It should be noted that the single cell of the utility model can be arranged to communicate the lower end of the monitoring module 120 with the inside of the single cell to realize the state information monitoring of the inside of the single cell, and the first connector 121 of the monitoring module 120 is located on the outside of the battery top cover 10, which can be understood that the first connector 121 is also located on the outside of the single cell. In the utility model, the first connector 121 is arranged to extend towards the corner position of the top cover body 110, so that the first connector 121 is arranged at the edge of the battery top cover 10, facilitating the external connector to establish connection with the first connector 121 from the edge of the battery top cover 10, and avoiding the connection between the first connector 121 and the pole 117 on the battery top cover 10, to ensure the safety of the circuit of the single cell.

[0069] Embodiment 3:

[0070] Please refer to the drawingsFigure 5 -attached Figure 7 The battery module of the utility model comprises at least one single battery of embodiment 2 and a concentrator box 20. Figure 5 It is a schematic view of the connection between the concentrator box 20 and the battery top cover 10 of the single battery. Figures 6-7 It is a schematic view of the specific structure of the concentrator box 20.

[0071] Specifically, the concentrator box 20 is provided with at least one second connector 230, the second connector 230 is electrically connected with the first connector 121 of the single battery, and the signal line 240 electrically connected with the battery management system and received in the concentrator box 20. In the embodiment, the single battery is provided with a monitoring module 120, and the first connector 121 of the monitoring module 120 can be connected with the second connector 230 and transmitted to the battery management system through the signal line 240. By arranging the concentrator box 20, the first connector 121 of the monitoring module 120 in one or more single batteries can be arranged and led out according to the line arrangement of the concentrator box 20; the line disorder caused by the connection of the single battery with the battery management system is avoided, and the situation that the monitoring signal is difficult to accurately transmit due to the use of a wireless module is avoided, thereby improving the safety of the battery module.

[0072] In some implementations, the concentrator box 20 comprises a battery docking layer 210 and a signal transmission layer 220, the battery docking layer 210 is provided with at least one connector mounting portion 211, the battery docking layer 210 is provided with a first through hole 212 in communication with the connector mounting portion 211, the signal transmission layer 220 is provided with a second through hole 222 in communication with the first through hole 212, the second connector 230 is mounted on the connector mounting portion 211, and the signal line 240 electrically connected with the second connector 230 passes through the first through hole 212 and is received in the second through hole 222. In the embodiment, the concentrator box 20 is connected with at least one single battery through the battery docking layer 210, and the state information collected by the monitoring module 120 in the single battery is transmitted to the battery management system through the signal transmission layer 220.

[0073] More specifically, the battery docking layer 210 is provided with at least one connector mounting portion 211, and the second connector 230 is mounted on the connector mounting portion 211; the battery docking layer 210 can be docked with the first slot 112 on the battery top cover 10 of the single battery through the connector mounting portion 211, so as to realize the electrical connection of the first connector 121 and the second connector 230. One connector mounting portion 211 can correspond to one single battery. The battery docking layer 210 is provided with a first through hole 212 in communication with the connector mounting portion 211, and the signal transmission layer 220 is provided with a second through hole 222 in communication with the first through hole 212. The signal line 240 electrically connected with the second connector 230 passes through the first through hole 212 and is received in the second through hole 222, so that the state information obtained by the monitoring module 120 can be transmitted to the battery management system through the first connector 121, the second connector 230 and the signal line 240. Each signal line 240 is received in the corresponding second through hole 222, so as to avoid the disorder of the lines. In addition, the battery docking layer 210 and the signal transmission layer 220 can be connected through the adhesive layer, and the adhesive layer is provided with a through hole which can communicate the first through hole 212 and the second through hole 222.

[0074] In some implementations, the connector mounting portion 211 is provided with at least one second slot 213, and the second connector 230 is located in the second slot 213, and the first through hole 212 is in communication with the second slot 213. In this embodiment, the second connector 230 is inserted into the second slot 213, so that the second connector 230 is fixed through the second slot 213, and the corresponding connection between the second connector 230 and the first connector 121 is ensured. In addition, the first through hole 212 of the battery docking layer 210 can be arranged in communication with the second slot 213, so that the signal line 240 can be electrically connected with the second connector 230 through the first through hole 212 and the second slot 213.

[0075] In some implementations, the connector mounting portion 211 is protrudingly arranged at the lower end of the battery docking layer 210, and the connector mounting portion 211 is abutted in the first slot 112 of the battery top cover 10, so as to facilitate the electrical connection between the second connector 230 and the first connector 121. In this embodiment, the shape of the connector mounting portion 211 can match the first slot 112 on the battery top cover 10 of the single battery, so that the connector mounting portion 211 can extend into the first slot 112, and when the connector mounting portion 211 completely extends into the first slot 112 of the battery top cover 10, the second connector 230 is electrically connected with the first connector 121. Through the cooperation of the connector mounting portion 211 and the first slot 112, the connection reliability between the second connector 230 and the first connector 121 can be improved.

[0076] In addition, the first slot 112 and the connector mounting portion 211 can be provided with a clamping structure for clamping each other. When the first slot 112 and the connector mounting portion 211 are clamped and fixed, the first connector 121 is electrically connected with the second connector 230.

[0077] In some implementations, the battery docking layer 210 is detachably connected with the signal transmission layer 220, and the signal transmission layer 220 is provided with a wire slot 221 at the communication position of the second through hole 222 and the first through hole 212. In this embodiment, the battery docking layer 210 and the signal transmission layer 220 can be fixed by clamping or screwing, so as to form a detachable connection structure of the battery docking layer 210 and the signal transmission layer 220, and facilitate the installation of the signal line 240 in the first through hole 212 and the second through hole 222. Further, the signal transmission layer 220 is provided with the wire slot 221 at the communication position of the second through hole 222 and the first through hole 212, and the first through hole 212 and the second through hole 222 can be connected through the wire slot 221. When the battery docking layer 210 and the signal transmission layer 220 are detached, the signal line 240 from the first through hole 212 can be conveniently transferred into the second through hole 222 in the space provided by the wire slot 221, thereby improving the convenience of wiring of the signal line 240.

[0078] In some implementations, when the number of the signal lines 240 electrically connected with the second connector 230 is multiple, the number of the first through holes 212 and the number of the second through holes 222 are multiple, the multiple first through holes 212 are arranged in a staggered manner along the oblique direction, and the multiple second through holes 222 are arranged in a spaced manner along the same direction. In this embodiment, the number of the first connectors 121 of the monitoring module 120 can be one or multiple, so as to be used for transmitting different types of monitoring signals. When the number of the first connectors 121 is multiple, multiple second connectors 230 and signal lines 240 need to be arranged. In this embodiment, the multiple first through holes 212 are arranged in a staggered manner along the oblique direction, and the multiple second through holes 222 are arranged in a spaced manner along the same direction, so that the signal lines 240 are arranged in a spaced manner at the communication position of the second through hole 222 and the first through hole 212 when the signal lines 240 are installed, and the line disorder is avoided.

[0079] In some implementations, when the number of single batteries is multiple, the collecting box 20 is provided with multiple second connectors 230 along the length direction of the collecting box 20, the multiple single batteries are arranged along the length direction of the collecting box 20, the first connector 121 of each single battery is electrically connected with the corresponding second connector 230, and the signal line 240 is arranged along the length direction of the collecting box 20. In the embodiment, when the number of single batteries is multiple, the multiple single batteries are arranged along the length direction of the collecting box 20, the first connector 121 of each single battery is connected with the second connector 230 in the different connector mounting portions 211 of the collecting box 20, and the signal line 240 is arranged along the length direction of the collecting box 20 and electrically connected to the battery management system. The design makes the arrangement of the single batteries and the signal line 240 more reasonable, facilitates the installation of the collecting box 20, and further improves the production efficiency of the battery module.

[0080] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0081] In the description of the present application, it should be pointed out that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, structure and operation. Therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0082] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the parts must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0083] In the utility model, unless another definite provision and limitation, first feature is above or below second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through additional feature between them.

[0084] Although the description of the utility model is combined with above specific embodiment, it is obvious that many substitutions, modifications and changes can be made according to the above-mentioned content by the person skilled in the art. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A battery top cover characterized by, The battery top cover comprises a top cover body (110) provided with a first mounting hole (111) arranged at a corner of the top cover body (110); and a monitoring module (120) arranged in the first mounting hole (111), the monitoring module (120) being used for monitoring state information inside a single battery. A side wall of the monitoring module (120) is provided with a first connector (121), the first connector (121) being located outside the top cover body (110) and extending towards the corner of the top cover body (110). A first slot (112) is arranged on an outer side of the top cover body (110), the first slot (112) being in communication with the first mounting hole (111), and the first connector (121) of the monitoring module (120) extending in the first slot (112). The side wall of the monitoring module (120) is further provided with a protection plate (124) located on both sides or a circumferential side of the first connector (121).

2. The battery header of claim 1, wherein, The top cover body (110) comprises a first insulating plate (113), a cover plate (114) and a second insulating plate (115), the cover plate (114) being arranged at an upper end of the first insulating plate (113), and the second insulating plate (115) being arranged at an upper end of the cover plate (114); the first mounting hole (111) extending through the first insulating plate (113), the cover plate (114) and the second insulating plate (115).

3. The battery header of claim 1, wherein, A side wall of the second insulating plate (115) is provided with a relief opening (116) for avoiding the first connector (121).

4. The battery header of claim 1, wherein, The top cover body (110) is further provided with a second mounting hole, a pole (117) being arranged in the second mounting hole, the second mounting hole extending through the first insulating plate (113), the cover plate (114) and the second insulating plate (115).

5. The battery header of claim 4, wherein, The battery top cover comprises a top cover body (110) provided with a first mounting hole (111) arranged at a corner of the top cover body (110); and a monitoring module (120) arranged in the first mounting hole (111), the monitoring module (120) being used for monitoring state information inside a single battery.

6. The battery header of claim 4, wherein, A side wall of the monitoring module (120) is provided with a first connector (121), the first connector (121) being located outside the top cover body (110) and extending towards the corner of the top cover body (110).

7. A single cell characterized by A first slot (112) is arranged on an outer side of the top cover body (110), the first slot (112) being in communication with the first mounting hole (111), and the first connector (121) of the monitoring module (120) extending in the first slot (112). The side wall of the monitoring module (120) is further provided with a protection plate (124) located on both sides or a circumferential side of the first connector (121). The top cover body (110) comprises a first insulating plate (113), a cover plate (114) and a second insulating plate (115), the cover plate (114) being arranged at an upper end of the first insulating plate (113), and the second insulating plate (115) being arranged at an upper end of the cover plate (114); the first mounting hole (111) extending through the first insulating plate (113), the cover plate (114) and the second insulating plate (115). A side wall of the second insulating plate (115) is provided with a relief opening (116) for avoiding the first connector (121). The top cover body (110) is further provided with a second mounting hole, a pole (117) being arranged in the second mounting hole, the second mounting hole extending through the first insulating plate (113), the cover plate (114) and the second insulating plate (115).

8. A battery module, characterized by The battery top cover comprises a top cover body (110) provided with a first mounting hole (111) arranged at a corner of the top cover body (110); and a monitoring module (120) arranged in the first mounting hole (111), the monitoring module (120) being used for monitoring state information inside a single battery. A side wall of the monitoring module (120) is provided with a first connector (121), the first connector (121) being located outside the top cover body (110) and extending towards the corner of the top cover body (110). A first slot (112) is arranged on an outer side of the top cover body (110), the first slot (112) being in communication with the first mounting hole (111), and the first connector (121) of the monitoring module (120) extending in the first slot (112). The side wall of the monitoring module (120) is further provided with a protection plate (124) located on both sides or a circumferential side of the first connector (121). The top cover body (110) comprises a first insulating plate (113), a cover plate (114) and a second insulating plate (115), the cover plate (114) being arranged at an upper end of the first insulating plate (113), and the second insulating plate (115) being arranged at an upper end of the cover plate (114); the first mounting hole (111) extending through the first insulating plate (113), the cover plate (114) and the second insulating plate (115). A side wall of the second insulating plate (115) is provided with a relief opening (116) for avoiding the first connector (121). The top cover body (110) is further provided with a second mounting hole, a pole (117) being arranged in the second mounting hole, the second mounting hole extending through the first insulating plate (113), the cover plate (114) and the second insulating plate (115).

9. The battery module of claim 8, wherein, The hub (20) comprises a battery docking layer (210) and a signal transmission layer (220), the battery docking layer (210) is provided with at least one connector mounting portion (211), the battery docking layer (210) is provided with a first through hole (212) in communication with the connector mounting portion (211), the signal transmission layer (220) is provided with a second through hole (222) in communication with the first through hole (212), the second connector (230) is mounted in the connector mounting portion (211), and the signal line (240) electrically connected with the second connector (230) passes through the first through hole (212) and is accommodated in the second through hole (222).

10. The battery module of claim 9, wherein, The connector mounting portion (211) is provided with at least one second slot (213), the second connector (230) is located in the second slot (213), and the first through hole (212) is in communication with the second slot (213).

11. The battery module of claim 9, wherein, The connector mounting portion (211) is protrudingly arranged at the lower end of the battery docking layer (210), and the connector mounting portion (211) is abuttingly arranged in the first slot (112) of the battery top cover, so that the second connector (230) is electrically connected with the first connector (121).

12. The battery module of claim 9, wherein, The battery docking layer (210) is detachably connected with the signal transmission layer (220), and the signal transmission layer (220) is provided with a wire slot (221) at the communication position of the second through hole (222) and the first through hole (212).

13. The battery module of claim 9, wherein, When the number of signal lines (240) electrically connected with the second connector (230) is multiple, the number of first through holes (212) and the number of second through holes (222) are multiple, multiple first through holes (212) are arranged in a staggered manner along the oblique direction, and multiple second through holes (222) are arranged in the same direction at intervals.

14. The battery module of any one of claims 8-13, wherein, When the number of single batteries is multiple, the hub (20) is provided with multiple second connectors (230) along the length direction of the hub (20), multiple single batteries are arranged along the length direction of the hub (20), the first connector (121) of each single battery is electrically connected with the corresponding second connector (230), and the signal line (240) is arranged along the length direction of the hub (20).

Images