CN220382250U - Cover plate, integrated cover plate, battery module and electric automobile - Google Patents

Abstract

The utility model provides a cover plate, an integrated cover plate, a battery module and an electric automobile. The cover plate includes: the body is provided with a pole piece mounting groove and a sensor mounting groove; the pole piece fixing component is arranged on the body; and a harness fixing assembly disposed on the body. The cover plate of the technical scheme of the utility model can solve the problem that the wire harness, the pole piece and the sensor are not firmly fixed due to the adoption of the existing cover plate.

Description

Cover plate, integrated cover plate, battery module and electric automobile

Technical Field

The utility model relates to the technical field of new energy batteries, in particular to a cover plate, an integrated cover plate, a battery module and an electric automobile.

Background

New energy automobiles are one of the most important industries in the new energy industry. The heart of the new energy automobile is a power battery system, the battery module is an important component of the power battery system, and the battery module is mainly composed of a cover plate, an electric core, an end plate, a side plate, a wire harness, a pole piece and other important components.

In the prior art known by the inventor, various wire harnesses, pole pieces, sensors and the like in a battery module are fixed on a cover plate, but are often not firmly fixed, and the wire harnesses are easy to rub and damage to cause safety problems in the process of vibration of the battery module or running of the whole vehicle; the pole piece is easy to separate from the original fixed position of the cover plate in the process of vibrating the battery module or driving the whole vehicle; the sensor does not have a receiving area and is directly adhered to the surface of the cover plate, so that the connection stability between the sensor and the cover plate is insufficient. Based on the reasons, the failure rate of the battery module is increased, and the safety of the electric automobile is reduced.

Disclosure of Invention

The utility model mainly aims to provide a cover plate, an integrated cover plate, a battery module and an electric automobile, which can solve the problem that a wire harness, a pole piece and a sensor are not firmly fixed due to the adoption of the existing cover plate.

In order to achieve the above object, according to an aspect of the present utility model, there is provided a cover plate comprising: the body is provided with a pole piece mounting groove and a sensor mounting groove, the pole piece mounting groove is configured to be capable of accommodating a pole piece, and the sensor mounting groove is configured to be capable of accommodating a sensor; the pole piece fixing assembly is arranged on the body and is configured to fix the pole piece in the pole piece mounting groove; and a wire harness fixing assembly disposed on the body, the wire harness fixing assembly configured to fix the wire harness on the body.

Further, the wire harness fixing assembly comprises a plurality of fixing buckles, a fixing area is formed between every two fixing buckles, and one wire harness can be fixed in one fixing area.

Further, the fixing buckle comprises a connecting section and a guiding section, the first end of the connecting section is connected with the body, the second end of the connecting section is connected with the guiding section, and at least part of the surface of the guiding section is an arc surface.

Further, the wire harness fixing members are provided in plural, the number of the fixing buckles in the wire harness fixing members is the same or different, or the number of the fixing buckles in part of the wire harness fixing members is the same.

Further, the pole piece fixing assembly comprises a first buckle and a second buckle, the first buckle is arranged at the edge of the first side of the pole piece mounting groove, the second buckle is arranged at the edge of the second side of the pole piece mounting groove, and the first side and the second side of the pole piece mounting groove are opposite sides of the pole piece mounting groove.

Further, the pole piece mounting groove is formed in the first face of the body, and the sensor mounting groove is formed in the second face of the body.

Further, the first face of body has still offered the wiring groove, and pencil fixed subassembly sets up in the wiring groove, has still offered the through wires hole on the body, and wiring groove and sensor mounting groove pass through the through wires hole intercommunication.

Further, the cover plate also comprises a connecting buckle, and the connecting buckle is arranged at the edge of the body and is connected with the body.

In order to achieve the above object, according to another aspect of the present utility model, there is provided an integrated cover plate including a pole piece, a wire harness and the cover plate described above, the pole piece being located in a pole piece mounting groove, the wire harness being fixed to a body by a wire harness fixing assembly.

In order to achieve the above object, according to another aspect of the present utility model, there is provided a battery module including a battery cell, an upper cover, and the above integrated cover, wherein the battery cell and the upper cover are connected to the integrated cover.

In order to achieve the above object, according to another aspect of the present utility model, there is provided an electric vehicle including a vehicle housing and the above battery module, the battery module being located in the vehicle housing.

By applying the technical scheme, the wire harness fixing piece on the cover plate body is arranged, so that the wire harness is fixed on the body through the wire harness fixing assembly, the connection stability of the wire harness and the body is improved, the wire harness is reduced to move in the vibration of the battery module or the running process of the whole vehicle, friction generated by the wire harness is further reduced, and the safety is improved; the pole piece mounting groove and the pole piece fixing component on the cover plate body are arranged, the pole piece can be mounted in the pole piece mounting groove and fixed through the pole piece fixing component, the connection stability of the pole piece and the body is improved, and the pole piece is prevented from being separated from the body in the vibration of the battery module or the running process of the whole vehicle; the setting of the sensor mounting groove on the apron body provides installation space for the sensor, compares in the mode that the sensor is directly pasted on the surface of apron, and the sensor mounting groove increases the installation steadiness of sensor and body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Attached at

In the figure:

FIG. 1 shows a schematic structural view of a first face of a cover plate of an embodiment of the present utility model;

FIG. 2 shows an enlarged view of a portion of FIG. 1A;

FIG. 3 shows a schematic structural view of a second face of the cover plate of the embodiment of FIG. 1;

FIG. 4 shows a plan view of a first face of the cover plate of the embodiment of FIG. 1;

FIG. 5 shows a schematic structural view of a first face of an integrated cover plate of an embodiment of the present utility model;

FIG. 6 shows a schematic structural view of a second face of the integrated cover plate of FIG. 5;

FIG. 7 shows a schematic diagram of an exploded construction of an integrated closure of an embodiment of the present utility model; and

fig. 8 shows a schematic structural view of a positive electrode sheet of an integrated cover plate of an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

1. a body; 11. wiring grooves; 111. a third mounting groove; 112. a first buckle; 113. a first reinforcing rib; 114. a second buckle; 115. a second reinforcing rib; 116. a connecting buckle; 12. a pole piece mounting groove; 121. a first mounting groove; 122. a second mounting groove; 128. hot riveting the boss; 13. a wire harness; 131. a fixing buckle; 1311. a connection section; 1312. a guide section; 133. a negative electrode short circuit hole; 1331. a threading hole; 1333. a sensor mounting groove; 2. a positive plate; 21. a first step surface; 22. a connection surface; 23. a second step surface; 3. a negative electrode sheet; 4. a middle pole piece; 5. a voltage acquisition harness; 6. a temperature acquisition wire harness; 7. a card terminal; 8. a sensor.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 8, the present utility model provides a cover plate comprising: a body 1 provided with a pole piece mounting groove 12 and a sensor mounting groove 1333, the pole piece mounting groove 12 being configured to be able to accommodate a pole piece, the sensor mounting groove 1333 being configured to be able to accommodate a sensor 8; a pole piece fixing assembly provided on the body 1, the pole piece fixing assembly being configured to be capable of fixing a pole piece in the pole piece mounting groove 12; and a harness fixing assembly provided on the body 1, the harness fixing assembly being configured to fix the harness 13 on the body 1.

In this embodiment, the fixed subassembly of pencil is used for fixing pencil 13 on body 1, and pencil 13 length is longer, and the fixed subassembly of pencil is arranged along the length direction of pencil 13, and the fixed subassembly of pencil is connected with body 1, and pencil 13 is fixed the cooperation with the fixed subassembly of pencil again, and the fixed subassembly of pencil increases the fixed point between pencil 13 and the body 1, and then increases the firm degree that pencil 13 is connected with body 1, and when the apron takes place the vibration, the fixed subassembly of pencil can reduce the number of times of friction and the friction area that pencil 13 and body 1 produced, improves the security. The pole piece mounting groove 12 is used for accommodating the pole piece and providing a mounting space for the pole piece, and the edge of the pole piece mounting groove 12 limits the pole piece to prevent the pole piece from moving in the direction parallel to the body 1; the pole piece fixing assembly is used for fixing the pole piece in the mounting groove, limiting the pole piece and preventing the pole piece from moving in the direction vertical to the body 1; the pole piece mounting groove 12 cooperates with the pole piece fixing component, the pole piece is firmly fixed on the body 1, and when the cover plate vibrates, the pole piece mounting groove 12 and the pole piece fixing component can prevent the pole piece from separating from the body 1. The sensor mounting groove 1333 is used for accommodating the sensor 8, provides a mounting space for the sensor 8, limits the sensor 8 by the edge of the sensor mounting groove 1333, and the sensor 8 is connected with the groove bottom and the edge of the sensor mounting groove 1333, so that the connection area of the sensor 8 is increased, and the firmness of connection of the sensor 8 and the body 1 is further increased.

Specifically, the material of the body 1 is one of PP, PE and pc+abc materials, or other materials that can be substituted.

Referring to fig. 1 to 8, in one embodiment of the present utility model, a wire harness fixing assembly includes a plurality of fixing buckles 131, and a fixing region is formed between each two fixing buckles 131, one fixing region being capable of fixing one wire harness 13.

In this embodiment, each two fixing buckles 131 are a group, and are matched with and fix a section of one wire harness 13, the plurality of groups of fixing buckles 131 are correspondingly used for fixing one wire harness 13, and each group of fixing buckles 131 for fixing the same wire harness 13 are arranged along the length direction of the wire harness 13, so that on one hand, the routing direction of the wire harness 13 is limited, and on the other hand, the wire harness 13 is firmly fixed on the body 1, the moving amplitude of the wire harness 13 relative to the body 1 is reduced, or the wire harness 13 is prevented from moving relative to the body 1, and further friction between the wire harness 13 and the body 1 is reduced or avoided.

Referring to fig. 1 to 8, in one embodiment of the present utility model, the fixing buckle 131 includes a connection section 1311 and a guide section 1312, a first end of the connection section 1311 is connected to the body 1, a second end of the connection section 1311 is connected to the guide section 1312, and at least a portion of a surface of the guide section 1312 is an arc surface.

In the present embodiment, the connection section 1311 is used for connection with the body 1, and also used for forming a fixing area, and the connection sections 1311 of two adjacent fixing buckles 131 prevent the wire harness 13 from moving in a direction parallel to the body 1. The guide section 1312 facilitates the wire harness 13 to enter the fixed area, one part of the guide section 1312 is connected with the connecting section 1311, the surface of the other part of the guide section 1312 is an arc surface, and as the wire harness 13 is a cylinder, when the wire harness 13 enters the fixed area, the surface of the wire harness 13 is contacted with the surface of the guide section 1312, and the contact area of the two arc surfaces is small, so that the wire harness 13 can enter the fixed area more easily, namely, the installation of the wire harness 13 is facilitated; the guide sections 1312 also serve to form a fixing area, and the guide sections 1312 of two adjacent fixing buckles 131 prevent the wire harness 13 from moving in a direction perpendicular to the body 1.

Specifically, the body 1 is further provided with a through hole, and a portion of the connection section 1311 is inserted into the through hole and connected to an inner wall of the through hole.

Referring to fig. 1 to 8, in one embodiment of the present utility model, the wire harness fixing assembly is provided in plurality, the number of the fixing buckles 131 in the wire harness fixing assembly is all the same or all different, or the number of the fixing buckles 131 in the fixing members of part of the wire harness 13 is the same.

In the present embodiment, the setting positions of the harness fixing members are determined according to the wiring positions of the harnesses 13, and the setting number of the harness fixing members is determined according to the number of the harnesses 13. Referring to the orientation shown in fig. 4, the wire harness fixing members are provided in five groups, the first group of wire harness fixing members are provided at the left side of the body 1, the first group of wire harness fixing members are provided in five groups and are arranged in the longitudinal direction (the vertical direction of fig. 4) of the body 1, each wire harness fixing member includes six fixing buckles 131 for connecting the wire harness 13 of the pole piece provided at the left side of the body 1 with the first group of wire harness fixing members; the second group of wire harness fixing assemblies are arranged in the middle of the body 1, four second group of wire harness fixing assemblies are arranged along the length direction (the vertical direction of fig. 4) of the body 1, each wire harness fixing assembly comprises three fixing buckles 131, wherein a sensor 8 fixing groove is arranged between two wire harness fixing assemblies, and a wire harness 13 for connecting the sensor 8 is matched with the second group of wire harness fixing assemblies; the third group of wire harness fixing assemblies are arranged at the right side of the body 1, the number of the third group of wire harness fixing assemblies is five, the third group of wire harness fixing assemblies are arranged along the length direction (the vertical direction of fig. 4) of the body 1, each wire harness fixing assembly comprises six fixing buckles 131, wire harnesses 13 for connecting pole pieces arranged at the right side of the body 1 are matched with the third group of wire harness fixing assemblies, the third group of wire harness fixing assemblies and the first group of wire harness fixing assemblies are staggered in the width direction (the horizontal direction of fig. 4) of the body 1, and the space utilization rate on the body 1 is increased, so that the third group of wire harness fixing assemblies and the first group of wire harness fixing assemblies cannot interfere with each other; the fourth wire harness fixing members are provided at the upper side of the body 1, two are arranged along the length direction (vertical direction of fig. 4) of the body 1, each wire harness fixing member includes thirteen fixing buckles 131, and the ends of all wire harnesses 13 are engaged with the fourth wire harness fixing members; a fifth group of harness fixing members are provided at the lower side position of the body 1, two in number, and are arranged in the length direction (vertical direction of fig. 4) of the body 1, each harness fixing member including thirteen fixing buckles 131.

Not all wire harness fixing assemblies in the five wire harness fixing assemblies are used, the fifth wire harness fixing assembly is not used, all the five wire harness fixing assemblies are arranged so as to facilitate processing of the cover plate, the wire harness fixing assemblies can be suitable for wire harnesses 13 with various wiring positions and wiring requirements, and the application range is increased.

Referring to fig. 1-8, in one embodiment of the present utility model, the pole piece fixing assembly includes a first clip 112 and a second clip 114, the first clip 112 being disposed at an edge of a first side of the pole piece mounting slot 12, the second clip 114 being disposed at an edge of a second side of the pole piece mounting slot 12, the first side and the second side of the pole piece mounting slot 12 being opposite sides of the pole piece mounting slot 12.

In this embodiment, referring to the orientation shown in fig. 4, the pole piece mounting grooves 12 are disposed on the left and right sides of the body 1, the first clip 112 disposed on the pole piece mounting groove 12 on the left side of the body 1 is located on the left side edge of the body 1, and the first clip 112 disposed on the pole piece mounting groove 12 on the right side of the body 1 is located on the right side edge of the body 1. The first buckle 112 is arranged as one, the second buckle 114 is arranged as one or two, the pole piece is positioned below the first buckle 112 and the second buckle 114, and the first buckle 112 and the second buckle 114 are used for preventing the pole piece from being separated from the upper part of the pole piece mounting groove 12.

Specifically, the pole pieces include one positive pole piece 2, one negative pole piece 3 and a plurality of middle pole pieces 4, the pole piece mounting groove 12 includes a first mounting groove 121, a second mounting groove 122 and a third mounting groove 111, the first mounting groove 121 is set to one for accommodating the positive pole piece 2, the second mounting groove 122 is set to one for accommodating the negative pole piece 3, the third mounting groove 111 is set to a plurality of, the number of the third mounting grooves 111 is the same as the number of the middle pole pieces 4, and each third mounting groove 111 is used for accommodating one middle pole piece 4. Referring to the orientation shown in fig. 4, the first mounting groove 121 is provided at an upper left side position of the body 1, the second mounting groove 122 is provided at a lower left side position of the body 1, and the third mounting groove 111 is provided at both left and right sides of the body 1.

The groove bottom of the first mounting groove 121 is provided with a first square hole, the part of the first mounting groove 121, which is not provided with the first square hole, is used for supporting the positive plate 2, and is matched with the first buckle 112 and the second buckle 114 to limit the position of the positive plate 2 in the direction vertical to the body 1, so that the positive plate 2 is prevented from moving in the direction; the first rivet boss 128 is further arranged on the part, which is not provided with the first square hole, of the first mounting groove 121, and corresponds to the first rivet hole formed in the positive plate 2, and the first rivet boss 128 penetrates through the first rivet hole, so that the positive plate 2 is connected with the body 1 conveniently. The bottom of the second mounting groove 122 is provided with a second square hole, the part of the second mounting groove 122, which is not provided with the second square hole, is used for supporting the negative electrode plate 3, and is matched with the first buckle 112 and the second buckle 114 to limit the position of the negative electrode plate 3 in the direction vertical to the body 1, so that the negative electrode plate 3 is prevented from moving in the direction; a second hot riveting boss 128 is further arranged on the part of the second mounting groove 122, which is not provided with the second square hole, and corresponds to the second hot riveting hole formed in the negative plate 3, and the second hot riveting boss 128 penetrates through the second hot riveting hole, so that the negative plate 3 is convenient to connect with the body 1; a first reinforcing rib 113 is arranged between every two third mounting grooves 111 and used for reinforcing the structural strength of the body 1, a balance groove is formed in the first reinforcing rib 113, a third square hole is formed in the bottom of each third mounting groove 111, a second reinforcing rib 115 is arranged in the middle of each third square hole and used for supporting the middle pole piece 4, and the first clamping buckle 112 and the second clamping buckle 114 are matched to limit the position of the middle pole piece 4 in the direction perpendicular to the body 1 and prevent the middle pole piece 4 from moving in the direction.

Referring to fig. 1 to 8, in one embodiment of the present utility model, a pole piece mounting groove 12 is formed on a first surface of the body 1, and a sensor mounting groove 1333 is formed on a second surface of the body 1.

Through the arrangement, on one hand, the space utilization rate of the body 1 is increased, so that the space of the first surface and the second surface of the body 1 can be fully utilized; on the other hand, the first face of body 1 contacts with the electric core, and the heat that the electric core produced directly acts on the first face of body 1, and sensor 8 sets up the second face at body 1, keeps away from the electric core, if sensor 8 paste with body 1 to when the electric core produced heat, the heat of electric core can not make the gluey inefficacy that is used for pasting sensor 8, and then guarantees the joint strength of sensor 8 and body 1.

Referring to fig. 1 to 8, in one embodiment of the present utility model, a wiring groove 11 is further formed on the first surface of the body 1, the wire harness fixing assembly is disposed in the wiring groove 11, a threading hole 1331 is further formed in the body 1, and the wiring groove 11 and the sensor mounting groove 1333 are communicated through the threading hole 1331.

In this embodiment, referring to the direction shown in fig. 4, the wiring groove 11 is located at the center of the body 1, and is disposed through along the length direction (the vertical direction in fig. 4) of the body 1, where the wiring groove 11 is used to provide an accommodating space for the wire harness 13, reduce the height of the wire harness 13 protruding from the body 1 or prevent the wire harness 13 from protruding from the body 1, and increase the space utilization. Since the wire harness 13 is arranged on the first face of the body 1 and the sensor 8 is provided on the second face of the body 1, the threading hole 1331 is provided so that the corresponding wire harness 13 can be electrically connected with the sensor 8 after passing through the threading hole 1331.

Specifically, the threading hole 1331 is a cross-shaped hole. Referring to the orientation shown in fig. 4, a plurality of negative short-circuit holes 133 are further formed on the right side of the wiring groove 11, and the plurality of negative short-circuit holes 133 are arranged along the length direction (vertical direction in fig. 4) of the body 1.

Referring to fig. 1 to 8, in one embodiment of the present utility model, the cover plate further includes a connection buckle 116, and the connection buckle 116 is disposed at an edge of the body 1 and connected with the body 1.

In this embodiment, the connecting buckle 116 is used for buckling the cover plate and the upper cover, so as to increase the connection stability of the cover plate and the upper cover, and facilitate the detachment and installation of the cover plate and the upper cover.

Specifically, the connecting buckles 116 are provided in plurality and circumferentially arranged along the edge of the body 1. The connecting buckle 116 has a triangular prism structure.

Referring to fig. 1 to 8, the present utility model further provides an integrated cover plate, which comprises a pole piece, a wire harness 13 and the cover plate, wherein the pole piece is positioned in the pole piece mounting groove 12, and the wire harness 13 is fixed on the body 1 through a wire harness fixing assembly.

Specifically, the integrated cover plate further includes a sensor 8 and a plug-in terminal 7, and the plug-in terminal 7 is electrically connected to the wire harness 13. The sensors 8 are temperature sensors 8, the sensors 8 and the sensor mounting grooves 1333 are four, each sensor 8 is arranged in one sensor mounting groove 1333, the sensor 8 is symmetrically arranged on the first axis of the body 1 by taking the direction shown in fig. 4 as a reference, and the first axis is located on the central line of the length direction (the vertical direction of fig. 4) of the body 1 and is parallel to the width direction (the horizontal direction of fig. 4) of the body 1.

Referring to the orientation shown in fig. 4, the middle pole pieces 4 on the left side of the body 1 are five, and between the positive pole piece 2 and the negative pole piece 3, the middle pole pieces 4 on the right side of the body 1 are six. Taking the azimuth shown in fig. 4 as a reference, the wire harness 13 comprises a temperature acquisition wire harness 6 arranged on the left side of the body 1 and a voltage acquisition wire harness 5 arranged on the right side of the body 1, wherein the temperature acquisition wire harness 6 comprises eight wire harnesses 13, one wire harness 13 is in conductive connection with the positive plate 2, one wire harness 13 is in conductive connection with the negative plate 3, one wire harness 13 is in conductive connection with the sensor 8, and each wire harness 13 in the other five wire harnesses 13 is in conductive connection with one middle plate 4 arranged on the left side of the body 1; the voltage acquisition wire harness 5 comprises six wire harnesses 13, each wire harness 13 is electrically connected with each middle pole piece 4 arranged on the right side of the body 1, and the voltage acquisition wire harness 5 is soldered on the middle pole piece 4 through a connecting terminal.

The positive plate 2 comprises a first step surface 21, a connecting surface 22 and a second step surface 23 which are sequentially connected, the first step surface 21 is parallel to the second step surface 23, the first step surface 21 is perpendicular to the connecting surface 22, the first step surface 21, the connecting surface 22 and the second step surface 23 are matched to form a Z-shaped structure, a first hot riveting hole is formed in the first step surface 21, a process hole and a positioning hole for laser welding are further formed in the first step surface 21, a stamping slot for compensating for thermal expansion and contraction is formed in the joint of the first step surface 21 and the connecting surface 22, a rectangular groove is formed in the middle of the connecting surface 22, and a fastener mounting hole is formed in the second step surface 23 and used for connecting an external busbar. The structure of the negative plate 3 is identical to that of the positive plate 2, and the second hot riveting hole is formed in the first step surface 21 of the negative plate 3. Two laser welding process holes are formed in the middle pole piece 4 and are used for welding with the battery cells, a stamping slot used for compensating thermal expansion and cooling is formed between the two laser welding process holes, the opening direction of the stamping slot faces the second reinforcing rib 115, the stamping slot is located above the second reinforcing rib 115, and a connecting protrusion is further extended on one side, facing the wiring slot 11, of the middle pole piece 4 and is used for connecting the wiring harness 13.

The cover plate in this embodiment has all technical schemes and all technical effects of the cover plate described above, and will not be described herein again.

Referring to fig. 1 to 8, the utility model further provides a battery module, which comprises a battery cell, an upper cover and the integrated cover plate, wherein the battery cell and the upper cover are connected with the integrated cover plate.

In this embodiment, the upper cover and the cover plate are connected by the connecting buckle 116, so as to increase the connection stability of the upper cover and the cover plate, and avoid the insufficient electrical clearance between the electrified part arranged on the cover plate and the metal outer cover of the battery pack caused by the unstable connection of the upper cover and the cover plate.

The integrated cover plate of the battery module in this embodiment has all technical schemes and all technical effects of the integrated cover plate, and is not described herein again.

Referring to fig. 1 to 8, the utility model further provides an electric automobile, which comprises a shell and the battery module, wherein the battery module is positioned in the shell.

The battery module in this embodiment has all technical schemes and all technical effects of the above battery module, and will not be described here again.

From the above description, it can be seen that the above-described embodiments of the present utility model achieve the following technical effects: the wiring harness fixing piece on the cover plate body is arranged, so that the wiring harness is fixed on the body through the wiring harness fixing assembly, the connection stability of the wiring harness and the body is improved, the wiring harness is reduced to move in the vibration of the battery module or the running process of the whole vehicle, friction generated by the wiring harness is further reduced, and the safety is improved; the pole piece mounting groove and the pole piece fixing component on the cover plate body are arranged, the pole piece can be mounted in the pole piece mounting groove and fixed through the pole piece fixing component, the connection stability of the pole piece and the body is improved, and the pole piece is prevented from being separated from the body in the vibration of the battery module or the running process of the whole vehicle; the setting of the sensor mounting groove on the apron body provides installation space for the sensor, compares in the mode that the sensor is directly pasted on the surface of apron, and the sensor mounting groove increases the installation steadiness of sensor and body.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (11)

1. A cover sheet, comprising:

a body (1) provided with a pole piece mounting groove (12) and a sensor mounting groove (1333);

the pole piece fixing component is arranged on the body (1); and

and the wire harness fixing assembly is arranged on the body (1).

2. The cover plate according to claim 1, characterized in that the wire harness fixing assembly is configured to fix a wire harness (13) to the body (1), the wire harness fixing assembly including a plurality of fixing buckles (131), a fixing area being formed between each two of the fixing buckles (131), one fixing area being capable of fixing one wire harness (13).

3. The cover plate according to claim 2, wherein the fixing buckle (131) comprises a connecting section (1311) and a guiding section (1312), a first end of the connecting section (1311) is connected with the body (1), a second end of the connecting section (1311) is connected with the guiding section (1312), and at least part of the surface of the guiding section (1312) is a cambered surface.

4. The cover plate according to claim 2, wherein the harness fixing assembly is provided in plural, the number of the fixing buckles (131) in the harness fixing assembly is all the same or all different, or the number of the fixing buckles (131) in part of the harness (13) fixing member is the same.

5. The cover plate of any of claims 1-4, wherein the pole piece securing assembly is configured to secure a pole piece within the pole piece mounting slot (12), the pole piece securing assembly including a first clasp (112) and a second clasp (114), the first clasp (112) being disposed at an edge of a first side of the pole piece mounting slot (12), the second clasp (114) being disposed at an edge of a second side of the pole piece mounting slot (12), the first side and the second side of the pole piece mounting slot (12) being opposite sides of the pole piece mounting slot (12).

6. The cover plate according to any one of claims 1 to 4, wherein the pole piece mounting groove (12) is provided in a first face of the body (1), the pole piece mounting groove (12) is configured to be able to accommodate a pole piece, the sensor mounting groove (1333) is provided in a second face of the body (1), and the sensor mounting groove (1333) is configured to be able to accommodate a sensor (8).

7. The cover plate according to claim 6, wherein the first face of the body (1) is further provided with a wiring groove (11), the wire harness fixing assembly is arranged in the wiring groove (11), the body (1) is further provided with a threading hole (1331), and the wiring groove (11) and the sensor mounting groove (1333) are communicated through the threading hole (1331).

8. The cover plate according to any one of claims 1 to 4, further comprising a connecting buckle (116), wherein the connecting buckle (116) is provided at an edge of the body (1) and is connected with the body (1).

9. An integrated cover plate characterized by comprising a pole piece, a wire harness (13) and a cover plate according to any one of claims 1 to 8, the pole piece being located in the pole piece mounting slot (12), the wire harness (13) being fixed to the body (1) by the wire harness fixing assembly.

10. A battery module, comprising a battery cell, an upper cover, and the integrated cover plate of claim 9, wherein the battery cell and the upper cover are both connected with the integrated cover plate.

11. An electric vehicle, comprising a vehicle housing and the battery module of claim 10, wherein the battery module is located in the vehicle housing.