CTP battery pack assembly device

Abstract

According to the CTP battery pack assembly device, in the device, a heat dissipation frame comprises a plurality of first areas where battery cells are stacked and a second area adjacent to the first areas, a bottom cooling water pipe is arranged at the bottom of the heat dissipation frame to cool the bottoms of the battery cells, a side cooling water pipe is arranged on the side of the heat dissipation frame to cool the side portions of the battery cells, and an extrusion end plate is arranged in the first areas. The bolt mounting hole is formed in the extrusion end plate and is aligned with and matched with the mounting hole to mount the extrusion end plate on the heat dissipation frame, the linkage piece comprises a horizontal section and a vertical section vertically extending from the middle of the horizontal section, the horizontal section is provided with a connecting hole used for being connected with the insertion hole, and the extrusion end plate, the linkage piece and the module A are fixed to form a module B; the plurality of battery cells are stacked in the first area; the extrusion device is arranged in the second area, the extrusion rod penetrates through the extrusion hole and abuts against the interior of the extrusion ring to extrude the extrusion end plate, and the operation handle is in transmission connection with the extrusion rod to apply extrusion acting force. And the CTP battery pack assembly device can dissipate heat more efficiently through multi-surface cooling.

Description

Technical Field

[0001] The utility model relates to the technical field of CTP battery packs, and in particular to a CTP battery pack assembly device. Background Art

[0002] The battery pack is an important component of new energy technology, providing energy and power for the storage of new energy vehicles. The weight of the battery pack is often an important factor affecting the battery life, because the heavier the battery pack, the lower its energy density. If the energy density of the battery pack is to be increased, reducing the weight of the battery pack and ensuring a stable installation have become the main considerations at present.

[0003] The above information disclosed in the background technology section is only used to enhance the understanding of the background of the present invention and therefore may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0004] The purpose of the utility model is to provide a CTP battery pack assembly device, which is a CTP battery pack with multi-sided cooling and no side plates. After the battery cells are directly stacked into the multi-sided cooling heat dissipation frame, they are squeezed and tightened, and then locked by squeezing the end plates to suppress the expansion force. This method is simple, reliable and highly practical, and provides a way of thinking for module-free battery packs. Multi-sided cooling can dissipate heat more efficiently.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A CTP battery pack assembly device of the utility model comprises:

[0007] A heat dissipation frame comprising a first region with a plurality of stacked battery cells and a second region adjacent to the first region,

[0008] The bottom cooling water pipe is arranged at the bottom of the heat dissipation frame to cool the bottom of the battery cell.

[0009] The side cooling water pipe is arranged on the side of the heat dissipation frame to cool the side of the battery cell.

[0010] A mounting hole is provided at the periphery of the first area,

[0011] The extrusion hole is arranged at the periphery of the second area, and the heat dissipation frame, the bottom cooling water pipe and the side cooling water pipe constitute module A.

[0012] An extruded end plate, which is arranged in the first area, and the extruded end plate comprises:

[0013] Bolt mounting holes are provided on the extruded end plate and are aligned with and matched with the mounting holes to mount the extruded end plate on the heat dissipation frame,

[0014] A plug hole is provided on the extruded end plate,

[0015] An extrusion ring, which is arranged on the back of the extrusion end plate;

[0016] A linking piece, comprising a horizontal section and a vertical section extending vertically from the middle of the horizontal section, wherein the horizontal section is provided with a connecting hole for connecting the plug hole, and the end plate, the linking piece and the module A are extruded and fixed to form the module B;

[0017] A plurality of battery cells stacked in the first region;

[0018] An extrusion device is provided in the second area, the extrusion device comprising:

[0019] an extrusion rod, which passes through the extrusion hole and abuts against the extrusion ring to extrude the extrusion end plate,

[0020] An operating handle is transmission-connected to the squeezing rod to apply squeezing force.

[0021] In the CTP battery pack assembly device, the extruded end plate is provided with a hoisting hole for hoisting and a reinforcing rib on its back.

[0022] In the CTP battery pack assembly device, the vertical section is provided with a wiring harness clamping hole.

[0023] The CTP battery pack assembly device further includes:

[0024] A plurality of linked aluminum bars, which connect the battery cells,

[0025] A plurality of collecting FPC devices are connected to the linking aluminum bars.

[0026] In the CTP battery pack assembly device, the heat dissipation frame is a symmetrical frame structure.

[0027] In the CTP battery pack assembly device, the heat dissipation frame includes three first areas arranged in an array.

[0028] In the CTP battery pack assembly device, the second area is adjacent to three first areas at the same time.

[0029] In the CTP battery pack assembly device, the bottom cooling water pipe is a serpentine coil.

[0030] In the CTP battery pack assembly device, the side cooling water pipe is a linear heat exchange pipe.

[0031] In the CTP battery pack assembly device, the CTP battery pack assembly device is a symmetrical structure.

[0032] In the above technical scheme, the utility model provides a CTP battery pack assembly device, which has the following beneficial effects: the CTP battery pack assembly device is reliable to install and has high practicality, and the module-free battery pack reduces weight and has multi-sided cooling, which can dissipate heat more efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0034] Figure 1 This is a schematic diagram of the CTP battery pack assembly device of the present utility model.

[0035] Figure 2 It is a schematic diagram of the heat dissipation frame of the utility model.

[0036] Figure 3 This is a first visual structural schematic diagram of the extruded end plate of the utility model.

[0037] Figure 4 It is a second visual structural schematic diagram of the extruded end plate structure of the utility model.

[0038] Figure 5 It is a schematic diagram of the linking piece structure of the utility model.

[0039] Figure 6 It is a schematic diagram of the structure of simulation B after one end of the extruded end plate of the utility model is assembled with module A.

[0040] Figure 7 Schematic diagram of the structure of module C formed in the battery cell stacking process.

[0041] Figure 8 It is a schematic diagram of the structure of module D after the battery cells are stacked.

[0042] Fig. 9 This is a schematic diagram of the structure of module E for installing the other end plate of the extruded battery cell of the utility model.

[0043] Fig.10 It is a schematic diagram of the structure of the battery cell extrusion tooling of the utility model. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0046] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0049] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0051] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0052] like Figure 1-10 As shown, in one embodiment, a CTP battery pack assembly device includes:

[0053] A heat dissipation frame 1 includes a first region where a plurality of stacked battery cells are stacked and a second region adjacent to the first region.

[0054] The bottom cooling water pipe 1-1 is arranged at the bottom of the heat dissipation frame 1 to cool the bottom of the battery cell.

[0055] The side cooling water pipe 1-2 is arranged on the side of the heat dissipation frame 1 to cool the side of the battery cell.

[0056] Mounting holes 1-4 are provided at the periphery of the first area,

[0057] The extrusion hole 1-3 is arranged at the periphery of the second area. The heat dissipation frame 1, the bottom cooling water pipe 1-1 and the side cooling water pipe 1-2 constitute a module A.

[0058] An extruded end plate 2 is provided in the first region, and the extruded end plate 2 comprises:

[0059] Bolt mounting holes 2-1 are provided on the extruded end plate 2 and are aligned with and matched with the mounting holes 1-4 to mount the extruded end plate 2 on the heat dissipation frame 1.

[0060] The plug hole 2-2 is provided on the extruded end plate 2.

[0061] The reinforcing rib 2-3 is provided on the back of the extruded end plate 2.

[0062] The extrusion ring 2-4 is arranged on the back of the extrusion end plate 2,

[0063] The lifting holes 2-5 are provided on the extruded end plate 2.

[0064] The linking piece 5 includes a horizontal section and a vertical section extending vertically from the middle of the horizontal section. The horizontal section is provided with a connecting hole 5-1 for connecting the plug hole 2-2, and the vertical section is provided with a harness clamping hole 5-2. The end plate 2, the linking piece 5 and the module A are extruded and fixed to form the module B.

[0065] A plurality of battery cells 6 are stacked in the first region,

[0066] A plurality of linked aluminum bars 3, which connect the battery cells 6,

[0067] Collect the FPC device 4, which is connected to the link aluminum bar 3,

[0068] An extrusion device 7 is provided in the second area, and the extrusion device 7 comprises:

[0069] The extrusion rod 7-1 passes through the extrusion hole 1-3 and abuts against the extrusion ring 2-4 to squeeze the extrusion end plate 2,

[0070] The operating handle 7-2 is transmission-connected to the squeezing rod 7-1 to apply squeezing force.

[0071] In one embodiment, a CTP battery pack assembly device includes:

[0072] A heat dissipation frame 1 includes a first region where a plurality of stacked battery cells are stacked and a second region adjacent to the first region.

[0073] The bottom cooling water pipe 1-1 is arranged at the bottom of the heat dissipation frame 1 to cool the bottom of the battery cell.

[0074] The side cooling water pipe 1-2 is arranged on the side of the heat dissipation frame 1 to cool the side of the battery cell.

[0075] Mounting holes 1-4 are provided at the periphery of the first area,

[0076] The extrusion hole 1-3 is arranged at the periphery of the second area. The heat dissipation frame 1, the bottom cooling water pipe 1-1 and the side cooling water pipe 1-2 constitute a module A.

[0077] An extruded end plate 2 is provided in the first region, and the extruded end plate 2 comprises:

[0078] Bolt mounting holes 2-1 are provided on the extruded end plate 2 and are aligned with and matched with the mounting holes 1-4 to mount the extruded end plate 2 on the heat dissipation frame 1.

[0079] The plug hole 2-2 is provided on the extruded end plate 2.

[0080] An extrusion ring 2-4, which is arranged on the back of the extrusion end plate 2;

[0081] The linking piece 5 includes a horizontal section and a vertical section extending vertically from the middle of the horizontal section. The horizontal section is provided with a connecting hole 5-1 for connecting the plug hole 2-2. The end plate 2, the linking piece 5 and the module A are extruded and fixed to form the module B.

[0082] A plurality of battery cells 6, which are stacked in the first region;

[0083] An extrusion device 7 is provided in the second area, and the extrusion device 7 comprises:

[0084] The extrusion rod 7-1 passes through the extrusion hole 1-3 and abuts against the extrusion ring 2-4 to squeeze the extrusion end plate 2,

[0085] The operating handle 7-2 is transmission-connected to the squeezing rod 7-1 to apply squeezing force.

[0086] In a preferred embodiment of the CTP battery pack assembly device, the extruded end plate 2 is provided with a hoisting hole 2-5 for hoisting and a reinforcing rib 2-3 on its back.

[0087] In a preferred embodiment of the CTP battery pack assembly device, the vertical section is provided with a wiring harness clip hole 5-2.

[0088] In a preferred embodiment of the CTP battery pack assembly device, the device further comprises:

[0089] A plurality of linked aluminum bars 3, which connect the battery cells 6,

[0090] A plurality of collecting FPC devices 4 are connected to the linking aluminum bars 3 .

[0091] In a preferred embodiment of the CTP battery pack assembly device, the heat dissipation frame 1 is a symmetrical frame structure.

[0092] In a preferred embodiment of the CTP battery pack assembly device, the heat dissipation frame 1 includes three first areas arranged in an array.

[0093] In a preferred embodiment of the CTP battery pack assembly device, the second area is adjacent to three first areas at the same time.

[0094] In a preferred embodiment of the CTP battery pack assembly device, the bottom cooling water pipe 1-1 is a serpentine coil.

[0095] In a preferred embodiment of the CTP battery pack assembly device, the side cooling water pipe 1-2 is a linear heat exchange pipe.

[0096] In a preferred embodiment of the CTP battery pack assembly device, the CTP battery pack assembly device is a symmetrical structure.

[0097] In one embodiment, Figure 2 As shown, the heat dissipation frame 1 is divided into three first areas a, b, c, and d according to the battery cell stacking area, and the battery cells are subsequently stacked into the three first areas, and the electrical modules and the industrial devices are placed into the second area of ​​area d, and a bottom cooling water pipe 1-1 and a side cooling water pipe 1-2 are provided to achieve subsequent cooling of the bottom and sides of the battery cells, and further, mounting holes 1-4 of the extrusion end plate 2 are designed for later installation and fixation of the end plate, and extrusion holes 1-3 of the extrusion device 7 are designed for the extrusion rod of the subsequent extrusion device 7 to achieve the extrusion stacking function of the battery cells, so as to form module A; further, Figures 3-4 As shown, a bolt mounting hole 2-1 is designed on the extruded end plate 2 of the utility model for subsequent bolt connection and fixation with the mounting hole 1-4, and a plug-in hole 2-2 for other plastic parts is designed for subsequent installation of other parts; further, a reinforcing rib 2-3 is designed on the back of the extruded end plate to increase its overall strength, further, an extrusion ring 2-4 of the extrusion rod is designed to limit the extrusion rod 7-1 of the extrusion device 7 within the extrusion ring 2-4 to prevent the extrusion rod 7-1 from deviating to other positions, further, a lifting hole 2-5 is designed for the installation of a lifting device during the subsequent disassembly process, so as to facilitate the pulling out of the extruded end plate. Furthermore, a linking plate 5 is designed for opening a connecting hole 5-1 on the linking plate for connecting the plug-in holes 2-2 of the left and right end plates, further, a wiring harness clamping hole 5-2 is designed at the bottom of the linking plate 5; in this way, the end plate 2 and the linking plate 5 are connected and fixed to the module A to form the module B, see Figure 6 ; Further, the battery cells 6 are sequentially stacked into the heat dissipation frame 1 to form a module C, see Figure 7 In the same way, the three cells a, b, c in the first area are all stacked into the heat dissipation frame 1 to form a module D, see Figure 8 The heat dissipation frame 1 is provided with an extrusion hole 1-3 for the extrusion rod 7. The extrusion rod 7-1 on the extrusion device 7 passes through the extrusion hole 1-3 to extrude the extrusion end plate on the battery cell, thereby extruding the entire battery cell to a certain size, and then the extrusion end plate 2 is fixed with bolts. In this way, the module E is formed; further, the extrusion device 7 is provided with an operating handle 7-2 for easy operation, see Fig. 9 and 10 .

[0098] Finally, it should be noted that the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present application.

[0099] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A CTP battery pack assembly device, characterized in that: These include, A heat dissipation frame comprising a first region with a plurality of stacked battery cells and a second region adjacent to the first region, The bottom cooling water pipe is arranged at the bottom of the heat dissipation frame to cool the bottom of the battery cell. The side cooling water pipe is arranged on the side of the heat dissipation frame to cool the side of the battery cell. A mounting hole is provided at the periphery of the first area, The extrusion hole is arranged at the periphery of the second area, and the heat dissipation frame, the bottom cooling water pipe and the side cooling water pipe constitute module A. An extruded end plate, which is arranged in the first area, and the extruded end plate comprises: Bolt mounting holes are provided on the extruded end plate and are aligned with and matched with the mounting holes to mount the extruded end plate on the heat dissipation frame, A plug hole is provided on the extruded end plate, An extrusion ring, which is arranged on the back of the extrusion end plate; A linking piece, comprising a horizontal section and a vertical section extending vertically from the middle of the horizontal section, wherein the horizontal section is provided with a connecting hole for connecting the plug hole, and the end plate, the linking piece and the module A are extruded and fixed to form the module B; A plurality of battery cells stacked in the first region; An extrusion device is provided in the second area, the extrusion device comprising: an extrusion rod, which passes through the extrusion hole and abuts against the extrusion ring to extrude the extrusion end plate, An operating handle is transmission-connected to the squeezing rod to apply squeezing force.

2. A CTP battery pack assembly device according to claim 1, characterized in that: The extruded end plate is provided with a hoisting hole for hoisting and a reinforcing rib at its back.

3. A CTP battery pack assembly device according to claim 1, characterized in that: The vertical section is provided with a wire harness clamping hole.

4. A CTP battery pack assembly device according to claim 1, characterized in that: Also includes, A plurality of linked aluminum bars, which connect the battery cells, A plurality of collecting FPC devices are connected to the linking aluminum bars.

5. A CTP battery pack assembly device according to claim 1, characterized in that: The heat dissipation frame is a symmetrical frame structure.

6. A CTP battery pack assembly device according to claim 1, characterized in that: The heat dissipation frame includes three first areas arranged in an array.

7. A CTP battery pack assembly device according to claim 6, characterized in that: The second area is adjacent to three first areas at the same time.

8. A CTP battery pack assembly device according to claim 1, characterized in that: The bottom cooling water pipe is a serpentine coil.

9. A CTP battery pack assembly device according to claim 1, characterized in that: The side cooling water pipe is a linear heat exchange pipe.

10. The CTP battery pack assembly device according to claim 1, characterized in that: The CTP battery pack assembly device has a symmetrical structure.

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