CN113978906B

CN113978906B - Battery cell tray

Info

Publication number: CN113978906B
Application number: CN202111465948.0A
Authority: CN
Inventors: 陈星星; 杨云鹏; 许立环; 请求不公布姓名
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2023-09-01
Anticipated expiration: 2041-12-03
Also published as: CN113978906A

Abstract

The embodiment of the application relates to a battery cell tray which comprises a frame and two groups of brackets. The frame is square and includes bottom plate and frame, and the frame is connected in the bottom plate along the circumference of bottom plate, frame open-top. The two sets of supports extend along the first direction in parallel with each other, but just along second direction sliding connection in the bottom plate, but first direction and second direction are perpendicular and all be on a parallel with the bottom plate, two sets of supports are equipped with the displacement of a plurality of interval arrangement's locating part for limiting the electric core along first direction, the electric core can be placed perpendicularly between two adjacent locating parts, because two supports can follow the bottom plate slip of frame, the distance between two supports can be adjusted promptly, the distance between the locating part on two supports can be along with the slip of two supports and adjust, the electric core of different length can be placed to the distance difference between the locating part, need not change the frame can adapt to multiple model, can improve the utilization ratio of frame, save the cost.

Description

Battery cell tray

Technical Field

The application relates to the technical field of trays, in particular to an electric core tray.

Background

The battery core needs to be loaded in a tray with multiple slots for multiple times in the process of forming and dividing the battery core into separate parts, and the battery core moves to different working procedures through a commodity circulation line to finish multiple working procedures such as infiltration, forming, standing, capacity division, detection and the like. In the process, the battery cell tray needs to have good functions of heat dissipation, positioning, temperature early warning and the like, on one hand, the battery cell needs to have accurate positioning in the battery cell tray so that a manipulator can put or grasp the battery cell into or out of the battery cell tray, and corresponding voltage and internal resistance tests are conducted on the battery cell. If the tray can not accurately limit the battery cells, the problem that the battery cells are damaged in batches, extruded and the like can be caused to be scrapped when the battery cells are put in or grabbed out by the manipulator. On the other hand, in the long-time standing process, complicated chemical reaction can occur in the battery cell, so that micro short circuit is generated in a small part of the battery cell, the temperature of the battery cell can be abnormally increased, when the temperature is increased to a certain degree, combustion can occur, and other battery cells in the same battery cell tray can be ignited.

The prior art adopts integration injection moulding's mode to obtain the electric core tray that has the lining strip, and the electric core is put into or is grabbed out the electric core tray, and the lining strip can lead to and spacing to the electric core, also can guarantee that the electric core has accurate position in the electric core tray, but the lining strip of this electric core tray and tray frame are whole, and lining strip size is fixed, can only carry out spacingly to the electric core of single model, and when electric core overall dimension changed, this electric core tray will not be suitable for any more, need spends millions of yuan to open the mould again, makes new electric core tray, can cause very big waste.

The prior art is equipped with smoke temperature sensor and fire water pipeline in goods shelves bin, takes place to burn when the electricity core, and fire extinguishing system starts to put out a fire, but when the temperature of a certain electricity core in the tray is unusual to rise, ambient temperature can not change rapidly in the goods space, and smoke temperature sensor also can not detect the signal, only when a plurality of electricity cores begin to burn and emit the cigarette, namely when burning enough, smoke temperature sensor can report to the police, has caused a plurality of electricity cores to damage in this time, and the temperature of single electricity core of unable response of smoke temperature sensor of prior art can not prevent the emergence of conflagration in advance, can not place the conflagration emergence well.

Disclosure of Invention

The application aims to provide a battery cell tray which can be suitable for various battery cells with different types.

In order to solve the technical problems, the embodiment of the application provides a battery cell tray which comprises a frame and two groups of brackets. The frame is square and includes bottom plate and frame, and the frame is connected in the bottom plate along the circumference of bottom plate, frame open-top. The two groups of brackets extend along the first direction in parallel with each other, and are connected to the bottom plate along the second direction in a sliding manner, the first direction and the second direction are vertical and are parallel to the bottom plate, a plurality of spacing limiting parts are arranged along the first direction in a spacing manner for limiting the movement of the battery core, the battery core can be vertically placed between two adjacent limiting parts, the distance between the two brackets can be adjusted along the bottom plate of the frame because the two brackets can slide along the frame, the distance between the limiting parts on the two brackets can be adjusted along with the sliding of the two brackets, the different lengths of battery cores can be placed between the limiting parts, the battery core can be adapted to various kinds of good battery cores without changing the frame, the utilization rate of the frame can be improved, and the cost is saved.

In one embodiment, the bottom plate is provided with a sliding rail extending along the second direction, and the sliding rail is provided with a strip-shaped hole extending along the second direction;

the support is close to one side of bottom plate be equipped with along the sliding tray of second direction extension, the sliding tray bottom sets up to follow the bar hole is removed and can be fixed for the slide rail.

In one embodiment, the battery cell tray further comprises a heat insulation plate, the heat insulation plate is located between the two groups of brackets, first clamping grooves which are respectively opened towards the two groups of brackets are formed in two ends of the heat insulation plate, the first clamping grooves extend along the height direction of the battery cell tray, and the first direction is perpendicular to the second direction;

one side, close to the other group of the brackets, of one group of the brackets is provided with a clamping strip extending along the height direction of the battery cell tray;

the clamping strips of the two groups of brackets are respectively positioned in the first clamping grooves at two sides of the heat insulation plate.

In one embodiment, the battery cell tray further comprises a plurality of bottom brackets, the plurality of bottom brackets extend between the two groups of brackets, are arranged along the first direction and are positioned below the heat insulation plate, the side parts of the two adjacent bottom brackets along the first direction are mutually abutted, and two ends of the bottom brackets along the second direction are respectively provided with a second clamping groove facing the openings of the two groups of brackets; the clamping strips of the two groups of brackets are respectively clamped into the second clamping grooves at the two ends of the bottom support in the first direction.

In one embodiment, the battery cell tray further comprises a temperature sensor, and the temperature sensor is mounted on one surface of the base, which is close to the heat insulation plate.

In one embodiment, the bottom support is provided with an avoidance part penetrating through the thickness of the bottom support; be equipped with a plurality of recesses on the bottom plate, the recess orientation collet opening and correspond dodge the portion, be equipped with the elastic component in the recess, the elastic component supports there is temperature sensor, the elastic component sets up to bulldoze temperature sensor supports and leans on the electric core.

In one embodiment, the bottom of the groove is also provided with a through hole; the elastic piece is a spring; still be equipped with the supporting shoe in the recess, the supporting shoe is located the elastic component with between the temperature sensor, the supporting shoe is close to one side of spring is equipped with towards the spliced pole that the spring extends, the spliced pole inserts in the spring and pass the through-hole, the temperature sensor is by the supporting shoe supports.

In one embodiment, the battery cell tray further comprises a cover plate, wherein the cover plate covers the opening of the groove and is provided with a plurality of avoidance holes, and the size of the avoidance holes is smaller than that of the opening of the groove; the two sides of the supporting block are provided with protruding blocks, and the protruding blocks are positioned at one end close to the connecting column; the size of the avoidance hole is smaller than the outer diameter of the protruding block so as to limit the protruding block to penetrate through the avoidance hole, and therefore the displacement of the temperature sensor relative to the bottom support is limited.

In one embodiment, the battery cell tray further comprises a data acquisition device, wherein the data acquisition device is arranged below the groove and is in communication connection with the temperature sensor.

In one embodiment, the bottom plate is further provided with a mounting groove opening towards the bottom, the mounting groove being located below the groove; the battery cell tray further comprises a lower cover, the lower cover is detachably connected to the bottom of the bottom plate and covers the mounting groove, and the data acquisition device is mounted in the mounting groove.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 is a perspective view of a cell tray and cells of one embodiment of the present application.

Fig. 2 is a perspective view of a battery cell tray according to one embodiment of the application.

Fig. 3 is a perspective view of a cradle mounted to a battery tray according to one embodiment of the application.

Fig. 4 is a perspective view of a stent according to an embodiment of the present application.

Fig. 5 is a perspective view of a heat shield according to an embodiment of the present application.

Figure 6 is a perspective view of a shoe of one embodiment of the present application.

Fig. 7 is a top view of a cradle and shoe mounted to a battery tray according to one embodiment of the application.

Fig. 8 is a partial enlarged view of the area a in fig. 7.

Fig. 9 is an anatomic view of a cell tray along a first direction according to one embodiment of the application.

Fig. 10 is a partial enlarged view of the region B in fig. 9.

Fig. 11 is a perspective view of a lower cover of an embodiment of the present application.

Fig. 12 is a perspective view of a cell of one embodiment of the present application.

Reference numerals: 100. a cell tray; 1. a frame; 11. a bottom plate; 111. a slide rail; 112. positioning holes; 113. an exhaust hole; 114. unfilled corners; 115. a groove; 116. a mounting groove; 12. a frame; 2. a bracket; 21. a limiting piece; 211. a guide surface; 22. a base; 221. a sliding groove; 23. clamping strips; 231. a protruding portion; 3. a heat insulating plate; 31. a first clamping groove; 4. a bottom support; 41. a second clamping groove; 42. an avoidance unit; 5. a temperature sensor; 6. a support block; 7. a spring; 8. a cover plate; 81. avoidance holes; 9. a data collector; 10. a lower cover; 101. a buckle; 102. a limit groove; 200. and a battery cell.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present application, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the claimed application may be practiced without these specific details and with various changes and modifications based on the following embodiments.

The application relates to a battery cell tray 100, as shown in fig. 1, wherein the battery cell tray 100 comprises a frame 1 and two groups of brackets 2. The frame 1 is substantially rectangular parallelepiped in shape and includes a bottom plate 11 and a rim 12, the rim 12 being connected to the bottom plate 11 along the outer periphery of the bottom plate 11, and the top of the frame 1 being open. The two sets of brackets 2 extend parallel to each other along a first direction, in this embodiment, the first direction is perpendicular to the direction of the battery cell 200, and the two sets of brackets 2 are slidably connected to the bottom plate 11 along a second direction, in this embodiment, the first direction and the second direction are perpendicular to each other and are parallel to the bottom plate 11, a plurality of spacing pieces 21 are arranged along the first direction on the two sets of brackets 2 to limit the movement of the battery cell 200, the battery cell 200 can be vertically arranged between the two adjacent spacing pieces 21, because the two brackets 2 can slide along the bottom plate 11 of the frame 1, i.e. the distance between the two brackets 2 can be adjusted, the distance between the spacing pieces 21 on the two brackets 2 can be adjusted along with the sliding of the two brackets 2, the different distances between the spacing pieces 21 can be used for accommodating the battery cells 200 with different lengths, the battery cells 200 with different types can be adapted without changing the frame 1, the utilization rate of the frame 1 can be improved, and the cost can be saved. It is understood that the first and second directions in this embodiment may not be perpendicular to each other, but intersect at other angles without departing from the scope of the present application.

The bottom plate 11 is provided with a sliding rail 111 extending along the second direction, the sliding rail 111 is provided with a strip-shaped hole extending along the second direction, one side of the bracket 2, which is close to the bottom plate 11, is provided with a sliding groove 221 extending along the second direction, the extending direction of the strip-shaped hole is consistent with that of the sliding rail 111, and the sliding groove 221 can move along the sliding rail 111. Specifically, as shown in fig. 2, a bolt extending toward the bottom plate 11 is disposed in the sliding groove 221, and can pass through the bar-shaped hole and extend beyond the bottom of the bottom plate 11, and the bolt can slide along the bar-shaped hole, and when the two sets of brackets 2 slide to a certain position along the second direction, the bolt can be fixed on the bottom of the bottom plate 11 by using a nut. It will be appreciated that the sliding grooves 221 may be formed in the base plate 11, and the sliding rails 111 may be formed at the bottoms of the two sets of brackets 2, so that the two sets of brackets 2 may be slidably connected to the base plate 11.

Further, a plurality of positioning holes 112 can be further formed in the bottom plate 11, and metal sleeves can be embedded in the positioning holes 112, so that the lifting and positioning of the tray on the logistics roller line are facilitated.

Further, the outer periphery of the frame 1 may be further provided with a plurality of grooves, and the plurality of grooves are located at the bottom of the frame 1 for placing bar codes to identify the type of the battery cell 200 in the frame 1.

Further, a plurality of exhaust holes 113 and/or hollowed-out parts can be further arranged on the periphery of the frame 1 and the bottom plate 11 to facilitate the heat discharge of the battery cell 200.

Further, at least one of the four corners of the frame 1 may be provided as a cut-out 114 to facilitate identification of the fit of the frame 1 to other components.

Further, the bottom plate 11 may further be provided with a plurality of grooves 115, where the grooves 115 are located at a middle position of the bottom plate 11 along the second direction, and the grooves 115 extend along the second direction and open toward the top of the frame 1, and the function of the grooves 115 will be described in detail below.

Further, the base plate 11 may be further provided with a mounting groove 116 that is open toward the bottom, and the mounting groove 116 is located below the plurality of grooves 115, and the function of the mounting groove 116 will be described in detail below.

The bracket 2 includes a base 22, as shown in fig. 3 and 4, the base 22 extends along a first direction, a plurality of limiting members 21 are arranged on the base 22 at intervals along the first direction, and are located at positions of the base 22 near the frame 12 of the frame 1, and a plurality of sliding grooves 221 extend along a second direction and are arranged at bottoms of the base 22 at intervals along the first direction.

The limiting pieces 21 are rod-shaped with a certain length, the limiting pieces 21 are arranged at intervals and can be perpendicular to the base 22, and two ends of the battery cell 200 can be placed between two adjacent limiting pieces 21 of the two brackets 2, so that the distance between the two limiting pieces 21 is larger than the thickness of the battery cell 200. The top of each limiting piece 21 is provided with two guide surfaces 211, as shown in fig. 3, the top of each limiting piece 21 is in a sharp angle shape by the two guide surfaces 211, and the guide surfaces 211 of two adjacent limiting pieces 21 are matched with each other so that the distance between the two adjacent limiting pieces 21 is gradually increased towards the top, thereby facilitating the placement of the battery cell 200 into the frame 1.

The support 2 may further be provided with a plurality of clamping strips 23, and the plurality of clamping strips 23 are used for cooperatively mounting the base 4 and the heat insulation board 3 of the cell tray 100, which will be described in detail below. The clamping strips 23 are arranged at intervals along the extending direction of the base 22, the number of the clamping strips 23 is the same as that of the limiting pieces 21, the clamping strips 23 and the limiting pieces 21 are arranged in one-to-one correspondence, the clamping strips 23 on any group of the brackets 2 are arranged on one side of the base 22 towards the other group of the brackets 2, the clamping strips 23 extend along the height direction of the cell tray 100, namely the clamping strips 23 extend along the direction from the bottom of the base 22 to the top of the frame 1, in the embodiment shown in fig. 3 and 4, the height of the clamping strips 23 is slightly lower than that of the limiting pieces 21, the clamping strips 23 are fixedly connected with the limiting pieces 21, and the clamping strips 23, the limiting pieces 21 and the base 22 can be integrally formed.

Further, the clamping strip 23 extends along the second direction and is flat, one end far away from the limiting piece 21 is provided with a protruding portion 231, the protruding portion 231 extends along the second direction from the middle portion of one side far away from the limiting piece 21, so that two shoulders are formed by the end face, far away from the limiting piece 21, of the clamping strip 23 and the protruding portion 231, and the protruding portion 231 is used for being matched with the heat insulation board 3 for installing the battery cell tray 100. The top of the protrusion 231 is also provided with a guiding surface 211 for installing the heat insulation board 3, and the guiding surface 211 is gradually far away from the other group of brackets 2 along the bottom to the top of the protrusion 231, as shown in fig. 4, the guiding surface 211 is an inclined surface arranged at the top end of the protrusion 231.

The cell tray 100 further includes a plurality of heat insulation boards 3 for isolating heat transfer between the adjacent cells 200, wherein the plurality of heat insulation boards 3 are arranged at intervals along the first direction and installed between the two sets of brackets 2, as shown in fig. 5, the heat insulation boards 3 are rectangular plates, and are provided with irregular reinforcing ribs therein. The heat insulating board 3 both ends are equipped with respectively towards two sets of support 2 open-ended first draw-in groove 31, first draw-in groove 31 extends along the direction of height of electric core tray 100, first draw-in groove 31 extends to the top of heat insulating board 3 along the bottom of heat insulating board 3, heat insulating board 3 can install on the draw-in strip 23 of two sets of supports 2, the draw-in strip 23 of two sets of supports 2 is installed respectively in the first draw-in groove 31 at heat insulating board 3 both ends, specifically, after two sets of supports 2 are fixed in the bottom plate 11 of frame 1 according to the width of electric core 200, the bulge 231 of the draw-in strip 23 of two sets of supports 2 sets up relatively, can install heat insulating board 3 top-down between two sets of supports 2, the bulge 231 of two sets of supports 2 is in the draw-in groove at heat insulating board 3 both ends respectively. It will be appreciated that the length and width of the heat insulation board 3 are set according to the specification of the battery cell 200, the distance between the two sets of supports 2 is also required to be set according to the specification of the battery cell 200, the distance between the two sets of supports 2 can be adjusted according to different battery cells 200 to adapt to the requirement of the battery cell 200, the distance between the two sets of protrusions 231 can be adjusted after the two sets of supports 2 are adjusted due to the protrusion 231 having a certain length, and the heat insulation board 3 can be replaced without changing the heat insulation board 3 in a certain range, such as when the distance between the two sets of protrusions 231 is smaller than the length of the heat insulation board 3, if the distance between the two sets of supports 2 is relatively large, and the length of the heat insulation board 3 is smaller than the distance between the two sets of protrusions 231.

The battery cell tray 100 further includes a plurality of bottom brackets 4, the bottom brackets 4 are rod-shaped and extend along the second direction, the plurality of bottom brackets 4 are arranged between the two groups of brackets 2 and below the heat insulation plate 3 along the first direction, the plurality of bottom brackets 4 and the heat insulation plate 3 are arranged along the first direction, the side parts of the two adjacent bottom brackets 4 along the first direction are mutually adjacent to each other to support the battery cell 200 on the upper part, and each bottom bracket 4 is respectively correspondingly arranged on the clamping strips 23 of the two groups of brackets 2. Specifically, as shown in fig. 6, 7 and 8, two ends of the bottom support 4 along the first direction are respectively provided with second clamping grooves 41 that are opened towards the directions of the two groups of brackets 2, and the clamping strips 23 of the two groups of brackets 2 can be respectively clamped into the two second clamping grooves 41 at two ends of the bottom support 4.

Further, the bottom support 4 is provided with avoiding portions 42 penetrating through the thickness of the bottom support 4, and each avoiding portion 42 is located above the groove 115 of the bottom plate 11 to facilitate the temperature sensor 5 to abut against the bottom of the battery cell 200, which will be described in detail below.

The battery cell tray 100 further comprises a plurality of temperature sensors 5 for detecting the temperature of the single battery cell 200, when the temperature of the single battery cell 200 changes greatly, the temperature sensors 5 can immediately send out signals, so that the plurality of battery cells 200 can be prevented from being scrapped due to fire disaster in advance. The temperature sensors 5 are respectively installed on one surface of the base 4 close to the heat insulation plate 3 to abut against the battery cells 200. It will be appreciated that the temperature sensor 5 may also abut against the battery cell 200 in other ways, for example, in the embodiment shown in fig. 2 and 7, an elastic member is disposed in the groove 115 of the bottom plate 11, the temperature sensor 5 is disposed on top of the elastic member, the elastic member may push the temperature sensor 5 against the battery cell 200, and the elastic member may push the battery cell 200 against the battery cell 200 through the avoiding portion 42 of the bottom bracket 4. Specifically, the elastic member is a spring 7, one end of the elastic member is connected to the bottom of the groove 115, the other end of the elastic member is connected to the temperature sensor 5, and the elastic member has a pushing force for pushing the temperature sensor 5 to pass through and close to the battery cell 200. It will be appreciated that the resilient member may be in other forms, such as an elastomer.

Further, the cell tray 100 further includes a support block 6 for supporting the temperature sensor 5. As shown in fig. 2 and 10, the groove 115 of the base plate 11 is located at a position near the middle of the base plate 11 in the second direction, and a through hole is provided at the bottom of the groove 115, and the through hole communicates with the mounting groove 116. The supporting shoe 6 is located between elastic component and the temperature sensor 5, and one side that the supporting shoe 6 is close to elasticity is equipped with the spliced pole that extends towards spring 7 direction, and the spliced pole can insert in the spring 7 and can pass the through-hole, and the size of spliced pole is less than the size of supporting shoe 6, and supporting shoe 6 is supported to the spring 7 upper end, and the lower extreme supports and leans on recess 115 bottom, and temperature sensor 5 installs in the top of supporting shoe 6, and spring 7 can drive supporting shoe 6 and temperature sensor 5 and move towards electric core 200 direction together.

Further, the battery cell tray 100 further includes a cover plate 8, where the cover plate 8 covers the opening of the groove 115 and is provided with a plurality of avoidance holes 81, and the size of the avoidance holes 81 is smaller than the opening size of the groove 115. The supporting shoe 6 both sides are equipped with the lug, and the protrusion is located the one end that is close to the spliced pole, and the lug is located recess 115 and the lug protrusion is greater than the size of dodging hole 81 in the external diameter of supporting shoe 6, dodges hole 81 and can supply supporting shoe 6 to pass, and apron 8 can restrict the displacement volume of supporting shoe 6 to restrict temperature sensor 5 for the displacement volume of collet 4.

The cell tray 100 further includes a data collection device disposed below the recess 115 and in communication with the temperature sensor 5, as shown in fig. 9 and 10, where the data collection device may collect data from a plurality of temperature sensors 5, or may be configured to improve efficiency, and in the embodiment of fig. 9 and 10, one data collection device collects data from nine temperature sensors 5, and in other embodiments, one data collection device may collect more or less data without affecting the implementation of the present application. The temperature sensor 5 may be connected to the data acquisition device through a through hole of the groove 115, and may be connected in other manners, which is not limited.

Further, the battery cell tray 100 further includes a lower cover 10, the lower cover 10 is detachably connected to the bottom of the bottom plate 11 and covers the mounting groove 116, and the data acquisition device is mounted in the mounting groove 116. Specifically, as shown in fig. 11, the lower cover 10 is circumferentially provided with a plurality of buckles 101 having a certain elasticity, and the corresponding positions of the mounting groove 116 are provided with a plurality of clamping holes, so that the force applied to the lower cover 10 can clamp the buckles 101 into the clamping holes. The lower cover 10 is also provided with a limit groove 102, and the data acquisition device can be arranged in the limit groove 102 to prevent the data acquisition device from shaking in the transportation process of the battery cell tray 100.

The battery cell tray 100 of the application can adapt to various battery cells 200 with different specifications, the general battery cell 200 is shown in fig. 12, two lugs are positioned at two ends of the battery cell 200, and when the battery cell tray is installed, the battery cell 200 is vertically arranged between two limiting pieces 21, and the two lugs are positioned at the lower ends and extend out of the limiting pieces 21 to be close to the frame 12. When the battery cells 200 with different specifications are required to be replaced, the distance between the two groups of brackets 2 is only required to be adjusted, or the heat insulation plate 3 is required to be replaced, so that the utilization rate of the battery cell tray 100 is high, and the cost is saved.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the application and that various changes in form and details may be made therein without departing from the spirit and scope of the application.

Claims

1. A battery cell tray, comprising:

a frame including a base plate;

the two groups of brackets extend in parallel with each other along the first direction, the two groups of brackets are connected to the bottom plate in a sliding manner along the second direction, and a plurality of spacing pieces which are arranged at intervals are arranged on the two groups of brackets along the first direction and used for limiting the movement of the battery cell; one side, close to the other group of the brackets, of one group of the brackets is provided with a clamping strip extending along the height direction of the battery cell tray; and

the plurality of bottom brackets extend between the two groups of brackets and are arranged along a first direction, the side parts of the two adjacent bottom brackets along the first direction are mutually abutted, and two ends of the bottom brackets along the second direction are respectively provided with a second clamping groove which faces to the openings of the two groups of brackets; the clamping strips of the two groups of brackets are respectively clamped into the second clamping grooves at the two ends of the bottom bracket in the first direction; the bottom support is provided with an avoiding part penetrating through the thickness of the bottom support; be equipped with a plurality of recesses on the bottom plate, the recess orientation collet opening and correspond dodge the portion, be equipped with the elastic component in the recess, the elastic component supports there is temperature sensor, the elastic component sets up to bulldoze temperature sensor supports and leans on the electric core.

2. The cell tray of claim 1, wherein,

the bottom plate is provided with a sliding rail extending along a second direction, and the sliding rail is provided with a strip-shaped hole extending along the second direction;

3. The cell tray of claim 1, wherein,

the battery cell tray further comprises a heat insulation plate, wherein the heat insulation plate is positioned between the two groups of brackets, first clamping grooves which face the openings of the two groups of brackets respectively are formed in two ends of the heat insulation plate, the first clamping grooves extend along the height direction of the battery cell tray, and the first direction is perpendicular to the second direction;

4. The cell tray of claim 1, wherein the bottom of the recess is further provided with a through hole;

the elastic piece is a spring;

still be equipped with the supporting shoe in the recess, the supporting shoe is located the elastic component with between the temperature sensor, the supporting shoe is close to one side of spring is equipped with towards the spliced pole that the spring extends, the spliced pole inserts in the spring and pass the through-hole, the temperature sensor is by the supporting shoe supports.

5. The battery cell tray of claim 4, further comprising a cover plate covering the opening of the groove and provided with a plurality of avoidance holes, wherein the dimension of the avoidance holes is smaller than the dimension of the opening of the groove; the two sides of the supporting block are provided with protruding blocks, and the protruding blocks are positioned at one end close to the connecting column; the size of the avoidance hole is smaller than the outer diameter of the protruding block so as to limit the protruding block to penetrate through the avoidance hole, and therefore the displacement of the temperature sensor relative to the bottom support is limited.

6. The battery cell tray of claim 5, further comprising a data acquisition device disposed below the recess and in communication with the temperature sensor.

7. The cell tray of claim 6, wherein the bottom plate is further provided with a mounting slot open toward the bottom, the mounting slot being located below the recess;

the battery cell tray further comprises a lower cover, the lower cover is detachably connected to the bottom of the bottom plate and covers the mounting groove, and the data acquisition device is mounted in the mounting groove.