Cylindrical battery assembling support module

Abstract

The utility model discloses a cylindrical battery assembly support module which comprises a fixing rod, an upper support and a lower support, the upper support and the lower support are oppositely arranged, the side faces of the upper support and the lower support are respectively provided with an inserting protrusion and / or an inserting groove, the upper support is provided with a plurality of battery cell installation holes, the lower support is provided with a plurality of battery cell fixing holes, and the fixing rod is fixedly connected with the upper support and the lower support. The upper support and the lower support are further provided with positioning holes respectively, a first connecting rod and a second connecting rod are arranged at the two ends of the fixing rod respectively, the diameter of the first connecting rod and the diameter of the second connecting rod are matched with the diameter of the positioning holes and both smaller than the diameter of the fixing rod, and the first connecting rod is inserted into the positioning hole of the upper support. And the second connecting rod is inserted into the positioning hole of the lower bracket and extends to the outer side of the positioning hole. The support has the advantages that the support modules are spliced through the inserting protrusions and the inserting grooves, and support expansion is achieved. The upper support and the lower support are limited and fixed through the fixing rod, so that the distance between the upper support and the lower support is consistent, and the uniformization degree of the module is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to cylindrical battery technical field, concretely relates to a cylindrical battery assembly support module. BACKGROUND

[0002] The cylindrical battery is more and more widely used in power field and energy storage field, in the application occasion needing larger output power, often needs to build complete battery pack in series or parallel mode to multiple cylindrical batteries, this needs to utilize support to assemble multiple batteries.The existing support is mostly integral structure, its specification size is fixed, and the applicability is poor.Moreover, the cylindrical batteries in the battery pack are fixed through upper support and lower support, and there is no contact between the upper support and the lower support, so that the battery size compression is not reasonable during assembly, the consistency degree of module is low, and the later assembly into shell is affected. SUMMARY

[0003] The utility model discloses a cylindrical battery assembly support module, support module is spliced through the insertion projection and the insertion recess, realizes the support extension.The upper support and the lower support are fixed through the fixed rod and are limited, so that the distance between the upper support and the lower support is consistent, the consistency degree of module is high, and the support between the adjacent two layers of module can be realized, so that the adjacent two layers of module keep the safety distance.

[0004] The utility model discloses a cylindrical battery assembly support module, including fixed rod and the upper support and lower support of opposite setting, the side of upper support and lower support all is equipped with insertion projection and / or insertion recess, the upper support is set up with a plurality of electric core installation hole, the lower support is set up with a plurality of electric core fixed hole on, the upper support and lower support still are equipped with positioning hole respectively, the both ends of fixed rod are equipped with first connecting rod and second connecting rod respectively, the diameter of first connecting rod and second connecting rod matches with the diameter of positioning hole and is less than the diameter of fixed rod, first connecting rod inserts the inside of positioning hole of upper support, second connecting rod inserts the positioning hole of lower support and stretches to the outside of positioning hole.

[0005] In some embodiments, the plurality of electric core installation holes are arranged in multiple rows, and the adjacent two rows are arranged in staggered manner.

[0006] In some embodiments, the first connecting rod, the fixed rod and the second connecting rod are provided with a hollow channel communicated with each other.

[0007] In some embodiments, the electric core installation hole is 4 or 6.

[0008] In some embodiments, the upper support is further provided with a pole hole and a welding hole communicated with the electric core installation hole respectively.

[0009] In some embodiments, a circumferential direction of the pole hole is provided with an annular stopper.

[0010] In some embodiments, a height of the annular stopper near one side of the welding hole is higher than a height of the annular stopper away from the welding hole.

[0011] In some embodiments, the upper support is further provided with a temperature detection port communicated with the battery cell mounting hole.

[0012] In some embodiments, the temperature detection port is located on a circumferential side of the pole hole and is separated from the welding hole by the stopper.

[0013] In some embodiments, the support module is made of PC+ABS material.

[0014] Compared with the prior art, the support module of the utility model can be spliced through the plug-in protrusion and the plug-in groove, a complete support is spliced according to actual requirements, the support can be expanded to increase the number of batteries. The upper support and the lower support are fixed and limited by the fixing rod, so that the distance between the upper support and the lower support is consistent, the consistency degree of the module is high, and the fixing rod can also bear the pressure from the upper support and the lower support during assembly, so that the pressure on the battery cell caused by excessive compression of the upper support and the lower support during assembly is avoided. The fixing rod, the first connecting rod and the second connecting rod can also support the adjacent two layers of modules, so that the adjacent two layers of modules maintain a safe distance. The 4-connection or 6-connection support module has high universality, is convenient to use and has high splicing efficiency.

[0015] The utility model will be explained in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is the structure diagram of single-layer splicing module.

[0017] Fig. 2 is the structure diagram of 4-connection upper support.

[0018] Fig. 3 is the structure diagram of 4-connection lower support.

[0019] Fig. 4 is the structure diagram of 6-connection upper support.

[0020] Fig. 5 is the structure diagram of 6-connection lower support.

[0021] Fig. 6 is the structure diagram of fixing rod.

[0022] Fig. 7 is the structure diagram of double-layer splicing module.

[0023] Among them, 1. positioning hole, 2. pole hole, 3. welding hole, 4. annular flange, 5. temperature detection port, 6. insertion protrusion, 7. insertion groove, 8. fixing rod, 9. first connecting rod, 10. second connecting rod, 11. hollow channel. Detailed Implementation

[0024] like Figs. 1 to 7 As shown, a cylindrical battery assembly bracket module includes a fixing rod 8 and an upper bracket and a lower bracket arranged opposite each other. The sides of both the upper and lower brackets are provided with insertion protrusions 6 and / or insertion grooves 7. Adjacent upper or lower brackets are spliced ​​together through the insertion protrusions 6 and insertion grooves 7, allowing for the assembly of a complete bracket or the expansion of the bracket to increase the number of batteries. The upper bracket has multiple cell mounting holes, and the lower bracket has multiple cell fixing holes. Cylindrical cells are sandwiched between the cell mounting holes and the cell fixing holes. The upper and lower brackets are also respectively provided with positioning holes 1. Preferably, the positioning holes 1 are located between adjacent cell mounting holes and adjacent cell fixing holes. More preferably, the upper and lower brackets are each provided with multiple positioning holes 1. The fixing rod 8 has a first connecting rod 9 and a second connecting rod 10 at each end. The diameters of the first connecting rod 9 and the second connecting rod 10 match the diameter of the positioning hole 1 and are both smaller than the diameter of the fixing rod 8. Steps are formed at the connection points of the first connecting rod 9 and the fixing rod 8, and at the connection points of the second connecting rod 10 and the fixing rod 8, respectively, to limit the upper and lower brackets. The first connecting rod 9 is inserted into the positioning hole 1 of the upper bracket, and the second connecting rod 10 is inserted into the positioning hole 1 of the lower bracket and extends to the outside of the positioning hole 1. When assembling the battery module, the type and quantity of the upper and lower brackets can be selected and spliced ​​according to the number of series and parallel connections of the batteries in the battery pack. Then, the cylindrical battery cells are fixed on the lower bracket, and the second connecting rod 10 is inserted into the positioning hole 1 of the lower bracket. Finally, the upper bracket is installed, and the first connecting rod 9 of the fixing rod 8 is inserted into the positioning hole 1 of the upper bracket. Finally, the upper and lower brackets are glued to the cylindrical battery cells to fix the upper and lower brackets. When assembling multi-layer modules, the second connecting rod 10 exposed inside the lower bracket of the upper module can be aligned with the positioning hole 1 of the upper bracket inside the lower module, thereby supporting the adjacent modules and maintaining a safe distance between them. After assembly, the portion of the second connecting rod 10 exposed inside the lower bracket of the bottommost module can be cut to allow the lower bracket to contact the battery pack casing.

[0025] In some embodiments, the plurality of battery cell mounting holes are arranged in multiple rows, and adjacent rows are staggered.

[0026] In some embodiments, the first connecting rod 9, the fixing rod 8 and the second connecting rod 10 are provided with hollow channels 11 communicating with each other, and long bolts can be used to pass through the first connecting rod 9, the fixing rod 8 and the second connecting rod 10 to fix the battery cell module and the shell of the battery pack.

[0027] In some embodiments, the battery cell mounting holes are 4 or 6, and the 4- or 6-branch support module has high universality, is convenient to use and has high splicing efficiency.

[0028] In some embodiments, the upper support is further provided with a pole hole 2 and a welding hole 3 communicating with the battery cell mounting holes, respectively, and can be applied to cylindrical battery cells with same-direction electrodes.

[0029] In some embodiments, the pole hole 2 is provided with an annular stop edge 4 in the circumferential direction, which effectively isolates the positive and negative poles.

[0030] In some embodiments, the height of the annular stop edge 4 on the side close to the welding hole 3 is higher than the height on the side away from the welding hole 3, which effectively isolates the positive and negative poles and facilitates the welding of the pole and the current-carrying sheet.

[0031] In some embodiments, the upper support is further provided with a temperature detection port 5 communicating with the battery cell mounting holes, and the installation of the temperature sensor and the battery cell is integrated on the upper support, thereby avoiding the assembly inconvenience caused by the installation of the temperature sensor on the side of the battery cell in the prior art.

[0032] In some embodiments, the temperature detection port 5 is located on the circumferential side of the pole hole 2 and is separated from the welding hole 3 by the stop edge.

[0033] In some embodiments, the support module is made of PC+ABS material, and the upper support, the lower support, the first connecting rod 9, the fixing rod 8 and the second connecting rod 10 are all made of PC+ABS material.

[0034] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any priority. Thus, a feature described as "first" or "second" can implicitly or explicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified.

[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0038] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the changes, modifications, replacements and variations of the above embodiments made by those skilled in the art are within the scope of the present application.

Claims

1. A cylindrical battery assembly bracket module, characterized in that: The device includes a fixing rod and an upper bracket and a lower bracket arranged opposite to each other. The sides of the upper bracket and the lower bracket are provided with insertion protrusions and / or insertion grooves. The upper bracket has multiple battery cell mounting holes, and the lower bracket has multiple battery cell fixing holes. The upper bracket and the lower bracket are also provided with positioning holes. The two ends of the fixing rod are respectively provided with a first connecting rod and a second connecting rod. The diameters of the first connecting rod and the second connecting rod match the diameters of the positioning holes and are both smaller than the diameter of the fixing rod. The first connecting rod is inserted into the positioning hole of the upper bracket, and the second connecting rod is inserted into the positioning hole of the lower bracket and extends to the outside of the positioning hole.

2. The cylindrical battery assembly bracket module according to claim 1, characterized in that: The multiple battery cell mounting holes are arranged in multiple rows, and adjacent rows are staggered.

3. The cylindrical battery assembly bracket module according to claim 1 or 2, characterized in that: The first connecting rod, the fixing rod, and the second connecting rod are provided with interconnected hollow channels.

4. The cylindrical battery assembly bracket module according to claim 1 or 2, characterized in that: The battery cell has 4 or 6 mounting holes.

5. The cylindrical battery assembly bracket module according to claim 1, characterized in that: The upper bracket is also provided with pole hole and welding hole respectively communicating with the cell mounting hole.

6. The cylindrical battery assembly bracket module according to claim 5, characterized in that: The pole hole is provided with an annular retaining edge in the circumferential direction.

7. The cylindrical battery assembly bracket module according to claim 6, characterized in that: The height of the annular retaining edge on the side closer to the welding hole is higher than the height of the side farther away from the welding hole.

8. The cylindrical battery assembly bracket module according to claim 5, characterized in that: The upper bracket is also equipped with a temperature detection port that communicates with the battery cell mounting hole.

9. The cylindrical battery assembly bracket module according to claim 8, characterized in that: The temperature detection port is located on the periphery of the electrode hole and is separated from the welding hole by a retaining edge.

10. The cylindrical battery assembly bracket module according to claim 1, characterized in that: The bracket module is made of PC+ABS material.

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