Battery and battery pack

Abstract

The utility model discloses a battery and a battery pack. The battery comprises a shell, a top cover piece, a monitoring piece, an outer plug connector and a sealing piece, the top cover piece is connected with the shell, and a mounting hole penetrates through the top cover piece and is communicated with the interior of the shell; the monitoring piece is mounted in the mounting hole and is used for monitoring the pressure and temperature in the shell; the outer plug connector is connected with the monitoring piece and electrically connected with the monitoring piece, and the outer plug connector is used for being connected with a controller; the sealing piece is connected to the outer plug connector and the monitoring piece and used for connecting the outer plug connector and the monitoring piece in a sealed mode. The battery provided by the utility model can reduce the influence of the external environment on the monitoring piece.

Description

Technical Field

[0001] This application relates to the technical field of batteries, and particularly to a battery and a battery pack. Background Art

[0002] In power batteries, it is usually necessary to monitor the battery cells inside the battery through a monitoring component, and to detect the temperature and pressure of the battery cells in real time to avoid safety accidents.

[0003] In traditional power batteries, the monitoring component is usually arranged on the top cover of the battery so that the monitoring component can monitor the battery cells inside the battery. However, the monitoring component arranged on the top cover is usually affected by the external environment, resulting in water vapor entering the monitoring component, causing rust and corrosion inside the monitoring component, thereby affecting signal transmission. Summary of the Utility Model

[0004] In view of this, the purpose of this application is to overcome the deficiencies in the prior art and provide a battery and a battery pack that can reduce the influence of the external environment on the monitoring component.

[0005] To achieve the above purpose, the technical solution adopted in this application is as follows:

[0006] The battery according to an embodiment of this application includes: a housing, a top cover sheet connected to the housing, an installation hole penetrating through the top cover sheet, and the installation hole is in communication with the inside of the housing; a monitoring component installed in the installation hole for monitoring the pressure and temperature inside the housing; an external plug-in component connected to the monitoring component and electrically connected to the monitoring component, and the external plug-in component is used to connect to a controller; a sealing component connected to the external plug-in component and the monitoring component for sealingly connecting the external plug-in component and the monitoring component.

[0007] The battery of this application has the following advantages:

[0008] In the battery provided in the embodiment of the present application, the monitoring component is used to detect the pressure and temperature in the shell, so as to detect the temperature state and pressure state of the battery cell installed in the shell. Since the external connector is electrically connected to the monitoring component and the external connector is used to connect to the controller, the monitoring component can transmit the detected signal of the battery cell to the controller through the external connector to realize real-time monitoring of the inside of the battery cell. At the same time, during assembly, the monitoring component can be sealed by the external connector to seal the monitoring component in the installation hole to reduce the influence of the external environment on the inside of the monitoring component. Further, at the same time, a sealing component is provided between the external connector and the monitoring component. In this way, when the external connector is connected to the monitoring component, the connection between the external connector and the monitoring component can be further sealed by the sealing component to improve the sealing inside the monitoring component, further reduce the influence of the external environment on the inside of the monitoring component, avoid water vapor from entering the inside of the monitoring component, and reduce the influence on signal transmission.

[0009] According to the battery of the embodiment of the present application, the monitoring component includes a protective shell and a first connecting portion, the protective shell is connected to the top cover sheet, and the first connecting portion is connected to a side of the protective shell away from the housing;

[0010] The external connector includes a second connecting portion, and the sealing member is connected to the second connecting portion and the protective shell.

[0011] According to the battery of the embodiment of the present application, a first sealing groove with an opening toward the protective shell is provided at one end of the second connecting portion facing the protective shell, and the sealing member is embedded in the first sealing groove and abuts against the second connecting portion and the protective shell.

[0012] According to the battery of the embodiment of the present application, the monitoring component includes a protective shell and a first connecting portion, the protective shell is connected to the top cover sheet, and the first connecting portion is connected to the protective shell;

[0013] The external connector includes a second connecting portion, the second connecting portion is covered outside the first connecting portion, and the sealing member is connected to the second connecting portion and the first connecting portion.

[0014] According to the battery of the embodiment of the present application, a second sealing groove is provided on the side wall of the first connecting portion facing the second connecting portion, and the sealing member is embedded in the second sealing groove and abuts against the first connecting portion and the second connecting portion.

[0015] According to the battery of the embodiment of the present application, the monitoring component further includes a plurality of signal terminals, the first connecting portion and the protective shell are enclosed to form a receiving cavity, and one end of the signal terminal is passed through the protective shell and is located in the receiving cavity;

[0016] The external plug-in connector further includes an electrical connection part, the second connection part is disposed around the electrical connection part, and a plurality of signal connection ports are defined in one end of the electrical connection part facing the protective case for electrically connecting with the plurality of signal terminals.

[0017] For the battery according to an embodiment of the present application, the second connection part and the electrical connection part define a receiving groove;

[0018] A limiting groove is further provided on the outer peripheral wall of the electrical connection part, the limiting groove communicates with the receiving groove, and a plurality of first limiting parts are provided on the inner side wall of the first connection part. When at least a part of the first connection part is located in the receiving groove, the first limiting parts are located in the limiting groove.

[0019] For the battery according to an embodiment of the present application, a second limiting part is provided on the first limiting part and protrudes towards the electrical connection part. A groove is provided on the electrical connection part, the groove is located in the limiting groove and communicates with the limiting groove, and the second limiting part is located in the groove.

[0020] For the battery according to an embodiment of the present application, a second limiting part protruding from the first limiting part is provided on each of the first limiting parts, and the second limiting part is disposed on the side surface of the first limiting part facing the bottom of the limiting groove. A groove is provided at the bottom of each of the limiting grooves, and each of the second limiting parts is embedded in one of the grooves and abuts against the groove wall.

[0021] For the battery according to an embodiment of the present application, a first magnetic part is provided at one end of the second connection part close to the protective case in the height direction, and a second magnetic part is provided at one end of the protective case close to the second connection part in the height direction. The first magnetic part and the second magnetic part are magnetically connected.

[0022] For the battery pack according to an embodiment of the present application, it includes the battery as described above. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 Shows an exploded structural view of the battery of the present application;

[0025] Figure 2 Shows Figure 1Schematic diagram of the enlarged structure at A;

[0026] Figure 3 Schematic cross-sectional structure diagram of the top cover sheet, monitoring member, external plug-in member, and sealing member of Embodiment 1 of the present application;

[0027] Figure 4 Schematic structure diagram of the monitoring member of Embodiment 1 of the present application;

[0028] Figure 5 Shows Figure 4 Schematic diagram of the enlarged structure at B;

[0029] Figure 6 Schematic structure diagram of the external plug-in member of Embodiment 1 of the present application;

[0030] Figure 7 Shows Figure 6 Schematic diagram of the enlarged structure at C;

[0031] Figure 8 Schematic cross-sectional structure diagram of the top cover sheet, monitoring member, external plug-in member, and sealing member of Embodiment 2 of the present application;

[0032] Figure 9 Schematic structure diagram of the monitoring member of Embodiment 2 of the present application;

[0033] Figure 10 Schematic structure diagram of the monitoring member of Embodiment 3 of the present application;

[0034] Figure 11 Schematic structure diagram of the external plug-in member of Embodiment 3 of the present application.

[0035] Description of main component symbols:

[0036] 100 - housing;

[0037] 200 - top cover sheet; 110 - mounting hole; 120 - mounting groove;

[0038] 300 - monitoring member; 310 - protective housing; 311 - first opening; 312 - first mounting portion; 313 - second mounting portion; 320 - first connecting portion; 321 - second sealing groove; 330 - signal terminal; 340 - receiving cavity; 350 - first limiting portion; 360 - second limiting portion; 370 - second magnetic portion;

[0039] 400 - external plug-in member; 410 - second connecting portion; 411 - first sealing groove; 420 - electrical connection portion; 421 - signal connection port; 422 - limiting groove; 423 - groove; 430 - receiving groove; 440 - first magnetic portion; 450 - capping portion; 460 - anti-slip boss;

[0040] 500 - Seal Detailed implementation manners

[0041] The embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0042] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0043] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specifically defined.

[0044] In the present application, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0045] In this application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature has a lower horizontal height than the second feature.

[0046] Referring to Figure 1 and Figure 2 As shown, the battery involved in the embodiment of this application includes: a housing 100, a top cover sheet 200, a monitoring member 300, an external plug-in member 400, and a sealing member 500.

[0047] Specifically, the top cover sheet 200 is connected to the housing 100. An installation hole 110 penetrates through the top cover sheet 200, and the installation hole 110 communicates with the inside of the housing 100; the monitoring member 300 is installed in the installation hole 110 and is used to monitor the pressure and temperature inside the housing 100; the external plug-in member 400 is connected to the monitoring member 300 and is electrically connected to the monitoring member 300. The external plug-in member 400 is used to connect to a controller; the sealing member 500 is connected to the external plug-in member 400 and the monitoring member 300 and is used to seal the connection between the external plug-in member 400 and the monitoring member 300.

[0048] In the battery provided by the embodiment of this application, the monitoring member 300 is used to detect the pressure and temperature inside the housing 100 to detect the temperature state and pressure state, etc. of the battery cells installed inside the housing 100. Since the external plug-in member 400 is electrically connected to the monitoring member 300 and the external plug-in member 400 is used to connect to a controller, in this way, the monitoring member 300 can transmit the detected signals of the battery cells to the controller through the external plug-in member 400 to realize real-time monitoring of the inside of the battery cells. At the same time, during assembly, the monitoring member 300 can be capped through the external plug-in member 400 to cap the monitoring member 300 inside the installation hole 110, reducing the influence of the external environment on the inside of the monitoring member 300. Further, at the same time, a sealing member 500 is provided between the external plug-in member 400 and the monitoring member 300. In this way, when the external plug-in member 400 is connected to the monitoring member 300, the connection between the external plug-in member 400 and the monitoring member 300 can be further sealed through the sealing member 500 to improve the sealing performance inside the monitoring member 300, further reducing the influence of the external environment on the inside of the monitoring member 300 and preventing moisture from entering the inside of the monitoring member 300 and reducing the influence on signal transmission.

[0049] Embodiment 1

[0050] Referring to Figure 3As shown, in Embodiment 1, the monitoring member 300 includes a protective case 310 and a first connecting portion 320. The protective case 310 is connected to the top cover sheet 200, and the first connecting portion 320 is connected to a side of the protective case 310 facing away from the housing 100. The external plug-in member 400 includes a second connecting portion 410, and the sealing member 500 is connected to the second connecting portion 410 and the protective case 310.

[0051] Specifically, in Embodiment 1, the protective case 310 is inserted through the mounting hole 110 and at least partially located inside the housing 100. One end of the protective case 310 away from the external plug-in member 400 along the height direction x of the battery communicates with the housing 100, so that at least part of the monitoring member 300 can be located inside the housing 100.

[0052] In this embodiment, the protective case 310 is used to connect to the top cover sheet 200, so that the monitoring member 300 can be connected to the top cover sheet 200 through the mounting hole 110. At the same time, the connection between the monitoring member 300 and the external plug-in member 400 can be realized through the connection between the first connecting portion 320 and the second connecting portion 410, and the external plug-in member 400 can cover the monitoring member 300. Since the sealing member 500 is connected to the second connecting portion 410 and the protective case 310, in this way, when the external plug-in member 400 covers the monitoring member 300, the connection between the second connecting portion 410 and the protective case 310 can be sealed through the sealing member 500, so as to improve the sealing performance inside the monitoring member 300, further reduce the influence of the external environment on the inside of the monitoring member 300, prevent water vapor from entering the inside of the monitoring member 300, and reduce the influence on signal transmission.

[0053] Refer to Figure 3 and Figure 6 As shown, in Embodiment 1, a first sealing groove 411 with an opening facing the protective case 310 is provided at one end of the second connecting portion 410 facing the protective case 310. The sealing member 500 is embedded in the first sealing groove 411 and abuts against the second connecting portion 410 and the protective case 310.

[0054] In this embodiment, the sealing member 500 can be embedded in the first sealing groove 411 to position and fix the sealing member 500 through the first sealing groove 411. At the same time, since the opening of the first sealing groove 411 of the second connecting portion 410 faces the protective case 310, the sealing member 500 can abut against both the protective case 310 and the groove wall of the first sealing groove 411, so that the sealing member 500 abuts against both the second connecting portion 410 and the protective case 310, and the connection between the second connecting portion 410 and the protective case 310 can be sealed through the sealing member 500, so as to improve the sealing performance inside the monitoring member 300.

[0055] Embodiment 2

[0056] Reference Figure 8 As shown, in Embodiment 2, the difference from Embodiment 1 is that the seal 500 is connected to the second connection part 410 and the first connection part 320, and the second connection part 410 covers the outside of the first connection part 320.

[0057] In this embodiment, since the seal 500 is on the second connection part 410 and the first connection part 320, in this way, the connection part between the second connection part 410 and the first connection part 320 can be sealed by the seal 500, so as to improve the sealing performance inside the monitoring member 300, further reduce the influence of the external environment on the inside of the monitoring member 300, prevent water vapor from entering the inside of the monitoring member 300, and reduce the influence on signal transmission.

[0058] Reference Figure 9 As shown, a second seal groove 321 is provided on the side wall of the first connection part 320 facing the second connection part 410. The seal 500 is embedded in the second seal groove 321 and abuts against the first connection part 320 and the second connection part 410.

[0059] In this embodiment, the seal 500 can be embedded in the second seal groove 321 to position and fix the seal 500 through the second seal groove 321. At the same time, since the opening of the second seal groove 321 of the first connection part 320 faces the second connection part 410, therefore, the seal 500 can be made to abut against both the second connection part 410 and the groove wall of the second seal groove 321, so that the seal 500 abuts against both the second connection part 410 and the first connection part 320, and the connection part between the second connection part 410 and the first connection part 320 can be sealed by the seal 500 to improve the sealing performance inside the monitoring member 300.

[0060] Embodiment 3

[0061] Reference Figure 10 And Figure 11 As shown, the difference between Embodiment 3 and Embodiment 1 and Embodiment 2 is that a first magnetic part 440 is provided at one end of the second connection part 410 close to the protective shell 310 in the height direction, and a second magnetic part 370 is provided at one end of the protective shell 310 close to the second connection part 410 in the height direction. The first magnetic part 440 is magnetically connected to the second magnetic part 370.

[0062] In the third embodiment, when the external plug-in connector 400 is connected to the monitoring member 300, the sealing member 500 can be used to improve the connection sealing performance between the external plug-in connector 400 and the monitoring member 300. However, since the sealing member 500 abuts against both the external plug-in connector 400 and the monitoring member 300, the connection stability between the external plug-in connector 400 and the monitoring member 300 will be affected. In particular, when the sealing member 500 is connected to the second connection portion 410 and the protective housing 310, the resilience of the sealing member 500 will cause the external plug-in connector 400 to tend to move away from the monitoring member 300. Over time, the external plug-in connector 400 may become disengaged from the monitoring member 300. At the same time, the resilience of the sealing member 500 will also affect the sealing performance between the external plug-in connector 400 and the monitoring member 300. Since a first magnetic portion 440 is provided at one end of the second connection portion 410 close to the protective housing 310 in the height direction, and a second magnetic portion 370 is provided at one end of the protective housing 310 close to the second connection portion 410 in the height direction, and the first magnetic portion 440 is magnetically connected to the second magnetic portion 370, the connection stability between the external plug-in connector 400 and the monitoring member 300 can be enhanced through the magnetic connection between the first magnetic portion 440 and the second magnetic portion 370, and the sealing performance of the sealing member 500 at the connection between the external plug-in connector 400 and the monitoring member 300 can be improved.

[0063] Referring to Figure 10 and Figure 11 As shown, on the basis of Embodiments 1 to 3, the monitoring member 300 further includes a plurality of signal terminals 330. The first connection portion 320 and the protective housing 310 enclose to form a receiving cavity 340. At least a part of the signal terminals 330 is located in the receiving cavity 340, and one end of the signal terminals 330 penetrates into the protective housing 310; the external plug-in connector 400 further includes an electrical connection portion 420. The second connection portion 410 is disposed around the electrical connection portion 420. A plurality of signal connection ports 421 are formed at one end of the electrical connection portion 420 facing the protective housing 310. The signal connection ports 421 extend in the height direction. Each signal terminal 330 at least partially penetrates into one signal connection port 421 and is electrically connected to the signal terminal 330.

[0064] In this embodiment, since the signal terminal 330 is at least partially located in the accommodation cavity 340, and one end of the signal terminal 330 penetrates into the protective shell 310, thus, the pressure and temperature inside the housing 100 can be monitored in real time through the signal terminal 330 of the monitoring member 300, and the electrical connection between the monitoring member 300 and the external plug-in member 400 is realized through the electrical connection between the signal terminal 330 and the electrical connection portion 420 of the external plug-in member 400, so that the monitoring member 300 can transmit the detected signals of the battery cells to the controller through the external plug-in member 400 to achieve real-time monitoring of the inside of the battery cells. In this process, since the electrical connection portion 420 is provided with a plurality of signal connection ports 421 at one end facing the bottom of the accommodation cavity 340 in the height direction, and each signal terminal 330 at least partially penetrates into one signal connection port 421, therefore, the connection positions of each signal terminal 330 and the electrical connection portion 420 can be limited and fixed through the plurality of signal connection ports 421, so as to improve the connection stability between the external plug-in member 400 and the monitoring member 300, and thus improve the stability of the electrical connection relationship between the external plug-in member 400 and the monitoring member 300.

[0065] Referring to Figure 6 and Figure 9 As shown, on the basis of Embodiments 1 to 3, the protective shell 310 is provided with a first opening 311 communicating with the accommodation cavity 340, and the electrical connection portion 420 at least partially penetrates into the accommodation cavity 340 through the first opening 311, so that at least part of each signal terminal 330 penetrates into one signal connection port 421. The external plug-in member 400 further has a cover portion 450, and the second connection portion 410 and the electrical connection portion 420 are both connected to the cover portion 450. The cover portion 450 is used to cover the first opening 311 to protect the signal terminal 330 and the electrical connection portion 420 in the accommodation cavity 340.

[0066] Referring to Figure 6 and Figure 11 As shown, on the basis of Embodiments 1 to 3, the external plug-in connector further has an anti-slip boss 460. The anti-slip boss 460 is symmetrically arranged at both ends of the cover portion 450 and protrudes from the cover portion 450, so as to facilitate the insertion and extraction of the external plug-in member 400 by holding the anti-slip boss, and play an anti-slip role during the insertion and extraction process.

[0067] In this embodiment, the second connecting portion 410 and the electrical connecting portion 420 define a receiving groove 430. When the external plug-in member 400 is connected to the monitoring member 300, the first connecting portion 320 can be inserted into the receiving groove 430 between the second connecting portion 410 and the electrical connecting portion 420, so as to guide and position the first connecting portion 320 through the receiving groove 430, facilitating the confirmation of whether the external plug-in member 400 and the monitoring member 300 are installed in place. At the same time, the displacement of the external plug-in member 400 can be restricted through the receiving groove 430, preventing the external plug-in member 400 from displacing relative to the monitoring member 300 in the width direction or length direction of the battery, and further improving the stability of the connection relationship between the external plug-in member 400 and the monitoring member 300. In particular, when the sealing member 500 is connected to the second connecting portion 410 and the first connecting portion 320, the receiving groove 430 can increase the extrusion force of the second connecting portion 410 and the electrical connecting portion 420 on the sealing member 500, so that the resilience of the sealing member 500 against the external plug-in member 400 is reduced, thereby improving the sealing performance of the sealing member 500 at the connection between the external plug-in member 400 and the monitoring member 300, and at the same time reducing the possibility of the external plug-in member 400 and the monitoring member 300 being separated.

[0068] Referring to Figure 4 and Figure 6 As shown, on the basis of Embodiments 1 to 3, a plurality of limiting grooves 422 with openings facing the receiving groove 430 are provided on the outer peripheral wall of the electrical connecting portion 420, and the plurality of limiting grooves 422 are evenly distributed along the circumferential direction of the electrical connecting portion 420.

[0069] When at least a part of the first connecting portion 320 is located in the receiving groove 430, the first limiting portion 350 is located in the limiting groove 422. A plurality of first limiting portions 350 protruding from the first connecting portion 320 toward the receiving cavity 340 are provided on the side wall of the first connecting portion 320. Each first limiting portion 350 passes through a limiting groove 422, and the first limiting portion 350 abuts against the groove wall of the limiting groove 422.

[0070] Since a plurality of limiting grooves 422 with openings facing the receiving groove 430 are further provided on the side wall of the electrical connection part 420, and a plurality of first limiting parts 350 protruding from the first connection part 320 towards the receiving cavity 340 are provided on the side wall of the first connection part 320. Thus, when the external plug-in part 400 is connected to the monitoring part 300, each first limiting part 350 can be inserted into a limiting groove 422 to position the first limiting part 350 during the installation process through the limiting groove 422, and further position the external plug-in part 400 during the installation process through the limiting groove 422, so as to facilitate confirming whether the external plug-in part 400 and the monitoring part 300 are installed in place. At the same time, the cooperation between the first limiting part 350 and the limiting groove 422 can further improve the stability of the connection relationship between the external plug-in part 400 and the monitoring part 300. In particular, when the sealing part 500 is connected to the second connection part 410 and the first connection part 320, the limiting groove 422 can increase the stability of the connection relationship between the first connection part 320 and the electrical connection part 420, and increase the extrusion force of the second connection part 410 and the electrical connection part 420 on the sealing part 500, so as to reduce the possibility of the sealing part 500 rebounding, thereby improving the sealing performance of the sealing part 500 at the connection between the external plug-in part 400 and the monitoring part 300, and at the same time reducing the possibility of the external plug-in part 400 and the monitoring part 300 detaching.

[0071] Referring to Figure 5 and Figure 7 As shown, on the basis of Embodiment 1 to Embodiment 3, a second limiting part 360 protruding from the first limiting part 350 is provided on each first limiting part 350. The second limiting part 360 protrudes towards the electrical connection part 420, and the second limiting part 360 is provided on the side surface of the first limiting part 350 facing the bottom of the limiting groove 422. A groove 423 is provided at the bottom of each limiting groove 422. Each second limiting part 360 is embedded in a groove 423 and abuts against the groove wall of the groove 423. The groove 423 is located in the limiting groove 422 and communicates with the limiting groove 422.

[0072] In this embodiment, when the second limiting portion 360 is embedded in the groove 423, the connection stability between the first limiting portion 350 and the limiting groove 422 can be improved, and further the connection stability between the first connecting portion 320 and the electrical connection portion 420 can be improved. In particular, when the seal 500 is connected to the second connecting portion 410 and the protective case 310, the resilience of the seal 500 will cause the external plug-in member 400 to have a tendency to move relative to the monitoring member 300 in the height direction x of the battery. Over a long time, the external plug-in member 400 may be separated from the monitoring member 300. At the same time, the resilience of the seal 500 will also affect the sealing performance between the external plug-in member 400 and the monitoring member 300. Thus, the cooperation between the second limiting portion 360 and the groove 423 can be used to prevent the external plug-in member 400 from moving relative to the monitoring member 300 in the height direction x of the battery.

[0073] Referring to Figure 2 As shown, on the basis of Embodiments 1 to 3, the protective case 310 has a first mounting portion 312 and a second mounting portion 313 connected to the first mounting portion 312, and the first mounting portion 312 protrudes from the second mounting portion 313. The top cover sheet 200 is further provided with a mounting groove 120 communicating with the mounting hole 110. The mounting groove 120 is disposed around the edge of the mounting hole 110, and the mounting groove 120 is disposed at one end of the mounting hole 110 away from the inside of the housing 100 in the height direction x. The second mounting portion 313 passes through the mounting hole 110, and the first mounting portion 312 is disposed in the mounting groove 120; wherein, the outer wall of the second mounting portion 313 abuts against the inner wall of the mounting hole 110, and the first mounting portion 312 abuts against the groove wall of the mounting groove 120 to realize the mounting of the monitoring member 300 on the top cover sheet 200.

[0074] Referring to Figure 9 and Figure 11 As shown, on the basis of Embodiments 1 to 3, the first connecting portion 320 is connected to the first mounting portion 312. When the external plug-in member 400 is connected to the monitoring member 300, one end of the second connecting portion 410 abuts against the first mounting portion 312. The second magnetic portion 370 is disposed on the first mounting portion 312 and surrounds the first connecting portion 320. The first magnetic portion 440 is disposed at one end of the second connecting portion 410 that abuts against the first mounting portion 312 to realize the mounting of the external plug-in member on the monitoring member 300.

[0075] It should be noted that when the second connecting portion 410 is provided with a first sealing groove 411, the first magnetic portion 440 is provided with a space for avoiding the first sealing groove 411.

[0076] According to the battery pack of the embodiment of the present application, wherein, it includes the battery as described above.

[0077] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0078] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A battery, characterized in that: include: A housing (100), A top cover sheet (200) connected to the shell (100), a mounting hole (110) passing through the top cover sheet (200), and the mounting hole (110) 110 is in communication with the interior of the shell (100); A monitoring component (300) is installed in the installation hole (110) and is used to monitor the pressure and temperature in the housing (100); An external connector (400) connected to the monitoring component (300) and electrically connected to the monitoring component (300), the external connector (400) being used to connect to a controller; A sealing member (500) is connected to the external connector (400) and the monitoring member (300) and is used for sealingly connecting the external connector (400) and the monitoring member (300).

2. The battery according to claim 1, characterized in that The monitoring component (300) comprises a protective shell (310) and a first connecting portion (320), wherein the protective shell (310) is connected to the top cover sheet (200), and the first connecting portion (320) is connected to a side of the protective shell (310) that is away from the housing (100); The external connector (400) comprises a second connecting portion (410), and the sealing member (500) is connected to the second connecting portion (410) and the protective shell (310).

3. The battery according to claim 2, characterized in that One end of the second connecting portion (410) facing the protective shell (310) is provided with a first sealing groove (411) with an opening facing the protective shell (310); the sealing member (500) is embedded in the first sealing groove (411) and abuts against the second connecting portion (410) and the protective shell (310).

4. The battery according to claim 1, characterized in that The monitoring component (300) comprises a protective shell (310) and a first connecting portion (320), wherein the protective shell (310) is connected to the top cover sheet (200), and the first connecting portion (320) is connected to the protective shell (310); The external connector (400) comprises a second connecting portion (410), wherein the second connecting portion (410) is disposed outside the first connecting portion (320), and the sealing member (500) is connected to the second connecting portion (410) and the first connecting portion (320).

5. The battery according to claim 4, characterized in that A second sealing groove (321) is provided on the side wall of the first connecting portion (320) facing the second connecting portion (410), and the sealing member (500) is embedded in the second sealing groove (321) and abuts against the first connecting portion (320) and the second connecting portion (410).

6. The battery according to claim 2 or 4, characterized in that: The monitoring component (300) further comprises a plurality of signal terminals (330), the first connecting portion (320) and the protective shell (310) enclose a receiving cavity (340), and ends of the signal terminals (330) are inserted through the protective shell (310) and are located in the receiving cavity (340); The external connector (400) further comprises an electrical connection portion (420), the second connection portion (410) being arranged around the electrical connection portion (420), and the electrical connection portion (420) is provided with a plurality of signal connection ports (421) at one end facing the protective shell (310) for electrically connecting to the plurality of signal terminals (330).

7. The battery according to claim 6, characterized in that The second connection portion (410) and the electrical connection portion (420) define a receiving groove (430); A limiting groove (422) is also provided on the outer peripheral wall of the electrical connection part (420), and the limiting groove (422) is connected to the receiving groove (430). A plurality of first limiting parts (350) are provided on the inner side wall of the first connection part (320). When the first connection part (320) is at least partially located in the receiving groove (430), the first limiting part (350) is located in the limiting groove (422).

8. The battery according to claim 7, characterized in that A second limiting portion (360) is provided on the first limiting portion (350), and the second limiting portion (360) protrudes toward the electrical connection portion (420); a groove (423) is provided on the electrical connection portion (420), and the groove (423) is located in the limiting groove (422) and communicated with the limiting groove (422); the second limiting portion (360) is located in the groove (423).

9. The battery according to claim 2 or 4, characterized in that: A first magnetic portion (440) is provided at one end of the second connecting portion (410) close to the protective shell (310) along the height direction (x), and a second magnetic portion (370) is provided at one end of the protective shell (310) close to the second connecting portion (410) along the height direction (x), and the first magnetic portion (440) is magnetically connected to the second magnetic portion (370).

10. A battery pack, characterized in that: Comprising a battery as claimed in any one of claims 1 to 9.

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