A battery stack box and a battery pack

Abstract

The utility model relates to the field of battery technology, and discloses a battery stack box and a battery pack, wherein the battery stack box includes: a purge flow channel, a box body, a first lower pad, a second lower pad, a front pad, a rear pad, a left pad, and a right pad. On the one hand, the embodiment of the utility model can achieve a buffering effect on the battery stack module through the first lower pad, the second lower pad, the front pad, the rear pad, the left pad, and the right pad, and on the other hand, it can also guide the water in the box body through the first flow channel, so that the water in the box body can flow out along the first flow channel, so as to prevent the water in the box body from accumulating and causing damage to the battery stack module.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery stack box and a battery pack. Background Art

[0002] At present, in order to ensure the stable operation of hydrogen fuel cells, the stack is usually packaged in a stack box for use. However, during use, the stack box and the stack may collide with each other, resulting in damage to the stack or the stack box. In order to solve the above collision problem, the gap between the packaging box and the stack is usually directly filled so that the stack and the packaging box are in contact with each other to cope with the collision impact. However, this anti-collision method is prone to cause permanent deformation of the stack after the impact. Utility Model Content

[0003] The purpose of the utility model is to provide a battery stack box and a battery pack which can play a buffering role on a battery stack module.

[0004] In order to achieve the above-mentioned objectives, the utility model provides a battery stack box, which includes: a purge flow channel, a box body, a first lower pad, a second lower pad, a front pad, a rear pad, a left pad and a right pad; the box body is in the shape of a rectangular parallelepiped; the first lower pad and the second lower pad are arranged on the bottom surface of the box body at intervals along the length direction of the box body; a first flow channel for drainage is formed between the first lower pad and the second lower pad; the front pad is arranged on the front side surface of the box body; the rear pad is arranged on the rear side surface of the box body; the left pad is arranged on the left side surface of the box body; the right pad is arranged on the right side surface of the box body; the first lower pad, the second lower pad, the front pad, the rear pad, the left pad and the right pad are enclosed to form a accommodating cavity for installing a battery stack module; the purge flow channel is arranged along the length direction of the box body, and the box body has an air outlet and an air inlet.

[0005] Optionally, it also includes: a plurality of first support bars; a plurality of first support bars are arranged on the sides of the first lower plate and the second lower plate facing the accommodating cavity, and the battery stack abuts against the plurality of first support bars; a plurality of first support bars are arranged at intervals along the width direction of the box body, the first support bars extend along the length direction of the box body, and a second flow channel for ventilation is formed between two adjacent first support bars.

[0006] Optionally, it also includes: a plurality of second support bars; a plurality of second support bars are arranged on the side of the left pad facing the accommodating cavity, and the battery stack abuts against the plurality of second support bars; a plurality of second support bars are arranged at intervals along the width direction of the box body, the second support bars extend along the thickness direction of the box body, and a third flow channel for drainage is formed between two adjacent second support bars.

[0007] Optionally, it also includes: a plurality of third support bars; a plurality of third support bars are arranged on the side of the right pad facing the accommodating cavity, and the battery stack abuts against the plurality of third support bars; a plurality of third support bars are arranged at intervals along the width direction of the box body, and the third support bars extend along the thickness direction of the box body, and a fourth flow channel for drainage is formed between two adjacent third support bars.

[0008] Optionally, there are multiple air outlets; the multiple air outlets are arranged on the front side and the rear side of the box body.

[0009] Optionally, it also includes: a plurality of upper pads; the plurality of upper pads are arranged on the top surface of the box body; and an installation channel for installing electric wires is formed between two adjacent upper pads.

[0010] Optionally, it also includes: a plurality of fourth support bars; a plurality of fourth support bars are arranged on the side of the upper pad facing away from the accommodating cavity, and the battery stack abuts against the plurality of fourth support bars; a plurality of fourth support bars are arranged at intervals along the width direction of the box body, and the fourth support bars extend along the length direction of the box body, and a fifth flow channel for ventilation is formed between two adjacent fourth support bars.

[0011] Optionally, the first lower pad, the second lower pad, the front pad, the rear pad, the left pad, the right pad, the first support bar, the second support bar, the third support bar and the fourth support bar are respectively made of silicone foam.

[0012] A battery pack comprises: a battery stack module and the battery stack box as described above; the battery stack module is arranged in the accommodating cavity.

[0013] Compared with the prior art, the battery stack box and battery pack of the utility model have the following beneficial effects:

[0014] On the one hand, the embodiment of the utility model can achieve a buffering effect on the battery stack module through the first lower pad, the second lower pad, the front pad, the rear pad, the left pad and the right pad, and on the other hand, it can also drain the water in the box through the first flow channel so that the water in the box can flow out along the first flow channel to prevent the water in the box from accumulating and causing damage to the battery stack module. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the connection relationship between the first lower pad, the second lower pad, the front pad, the rear pad, the left pad and the right pad in the embodiment of the utility model;

[0017] Figure 3It is an exploded schematic diagram of the first lower pad, the second lower pad, the front pad, the rear pad, the left pad and the right pad in the embodiment of the utility model.

[0018] In the figure, 1, installation channel; 2, box body; 21, air outlet; 22, air inlet; 3, first lower pad; 4, second lower pad; 7, left pad; 8, right pad; 9, first flow channel; 10, first support bar; 11, second flow channel; 12, second support bar; 13, third flow channel; 14, third support bar; 15, fourth flow channel; 16, upper pad; 17, fourth support bar; 18, fifth flow channel. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] First, it should be noted that the top, bottom, upward, downward and other directions mentioned in this article are defined relative to the directions in the respective drawings, and they are relative concepts, and therefore can be changed according to different positions and different practical states. Therefore, these or other directions should not be understood as restrictive terms.

[0021] It should be noted that the term "comprising" does not exclude other elements or steps and "a" or "an" does not exclude a plurality.

[0022] In addition, it should be pointed out that any single technical feature described or implied in the embodiments of this document, or any single technical feature shown or implied in the accompanying drawings, can still be combined between these technical features (or their equivalents) to obtain other embodiments of the present application that are not directly mentioned in this document.

[0023] It should also be understood that the terms "first", "second", etc. are used herein to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0024] It should be noted that in different drawings, the same reference numerals denote the same or substantially the same components.

[0025] like Figure 1-Figure 3As shown, a preferred embodiment of the utility model embodiment is a battery stack box, which includes: a battery stack, a purge flow channel, a box body 2, a first lower pad 3, a second lower pad 4, a front pad, a rear pad, a left pad 7 and a right pad 8. The box body 2 is in the shape of a rectangular parallelepiped. The purge flow channel is arranged along the length direction of the box body 2, and the box body 2 has an air outlet 21 and an air inlet 22.

[0026] The first lower pad 3 and the second lower pad 4 are arranged at intervals on the bottom surface of the box body 2 along the length direction of the box body 2. A first flow channel 9 for drainage is formed between the first lower pad 3 and the second lower pad 4, and the water in the box body 2 can flow out along the first flow channel 9. The front pad is arranged on the front side of the box body 2. The arrangement of the first flow channel 9 can prevent the water in the box body 2 from gathering. Secondly, the arrangement of the first lower pad 3 and the second lower pad 4 can also play a role in buffering the battery stack module to achieve the effect of preventing vibration and shock. The rear pad is arranged on the rear side of the box body 2. The arrangement of the rear pad can play a role in buffering the battery stack module to achieve the effect of preventing vibration and shock. The left pad 7 is arranged on the left side of the box body 2. The arrangement of the left pad 7 can play a role in buffering the battery stack module to achieve the effect of preventing vibration and shock. The right pad 8 is arranged on the right side of the box body 2. The arrangement of the right pad 8 can play a role in buffering the battery stack module to achieve the effect of preventing vibration and shock. The first lower pad 3, the second lower pad 4, the front pad, the rear pad, the left pad 7 and the right pad 8 together form a receiving cavity for installing the stack module.

[0027] Based on the above structure, the present application can, on the one hand, achieve a buffering effect on the battery stack module through the first lower pad 3, the second lower pad 4, the front pad, the rear pad, the left pad 7 and the right pad 8, and on the other hand, can also drain the water in the box body 2 through the first flow channel 9 so that the water in the box body 2 can flow out along the first flow channel 9 to prevent the water in the box body 2 from accumulating and causing damage to the battery stack module.

[0028] Specifically, a drain port is provided at the bottom of the box body 2 , and the drain port is communicated with the first flow channel 9 , so that water can enter the first flow channel 9 and be discharged through the drain port.

[0029] It can be understood that the first lower pad 3, the second lower pad 4, the front pad, the rear pad, the left pad 7 and the right pad 8 in the present application are preferably made of a material that can be compressed and restored after being impacted.

[0030] In a possible embodiment, the utility model embodiment further includes: a plurality of first support bars 10. The plurality of first support bars 10 are arranged on the side of the first lower pad 3 and the second lower pad 4 facing the accommodating cavity, and the battery stack abuts against the plurality of first support bars 10. The plurality of first support bars 10 are arranged at intervals along the width direction of the box body 2, and the first support bars 10 extend along the length direction of the box body 2, and a second flow channel 11 for ventilation is formed between two adjacent first support bars 10. The arrangement of the first support bars 10 plays a role in supporting the battery stack module on the one hand, and the second flow channel 11 formed between the first support bars 10 can be used for exhaust, thereby improving the ventilation effect in the box body 2.

[0031] In a possible embodiment, the utility model embodiment further includes: a plurality of second support bars 12. The plurality of second support bars 12 are arranged on the side of the left pad 7 facing the accommodating cavity, and the battery stack abuts against the plurality of second support bars 12. The plurality of second support bars 12 are arranged at intervals along the width direction of the box body 2, and the second support bars 12 extend along the thickness direction of the box body 2. A third flow channel 13 for drainage is formed between two adjacent second support bars 12. The setting of the third flow channel 13 enables water to flow from the side of the battery stack module along the third flow channel 13 to the bottom of the box body 2, and then be discharged through the first flow channel 9, so that the second support bar 12 of the present application plays a buffering role for the battery stack module on the one hand, and plays a diversion role for the water in the box body 2 on the other hand.

[0032] In a possible embodiment, the utility model embodiment further includes: a plurality of third support bars 14. The plurality of third support bars 14 are arranged on the side of the right pad 8 facing the accommodating cavity, and the battery stack abuts against the plurality of third support bars 14; the plurality of third support bars 14 are arranged at intervals along the width direction of the box body 2, and the third support bars 14 extend along the thickness direction of the box body 2, and a fourth flow channel 15 for drainage is formed between two adjacent third support bars 14. The setting of the fourth flow channel 15 enables water to flow from the side of the battery stack module along the fourth flow channel 15 to the bottom of the box body 2, and then be discharged through the first flow channel 9, so that the third support bar 14 of the present application plays a buffering role for the battery stack module on the one hand, and plays a diversion role for the water in the box body 2 on the other hand.

[0033] Furthermore, there are multiple air outlets 21 , which are disposed on the front side and the rear side of the box body 2 , so that the fluid of the present application can be blown to every place in the box body 2 .

[0034] In a possible embodiment, the utility model embodiment further includes: a plurality of upper pads 16. The plurality of upper pads 16 are arranged on the top surface of the box body 2. An installation channel 1 for installing wires is formed between two adjacent upper pads 16. The installation channel 1 can provide sufficient space for installing high-voltage connection devices and single-cell voltage collectors, and facilitate the installation of these devices and the layout of power lines.

[0035] In a possible embodiment, the utility model embodiment further includes: a plurality of fourth support bars 17. The plurality of fourth support bars 17 are arranged on the side of the upper pad 16 facing away from the accommodating cavity, and the battery stack abuts against the plurality of fourth support bars 17. The plurality of fourth support bars 17 are arranged at intervals along the width direction of the box body 2, and the fourth support bars 17 extend along the length direction of the box body 2, and a fifth flow channel 18 for ventilation is formed between two adjacent fourth support bars 17. The fourth support bars 17, on the one hand, play a role in supporting the battery stack module, and on the other hand, the fifth flow channel 18 formed between the fourth support bars 17 can be used for exhaust, thereby improving the ventilation effect in the box body 2.

[0036] Furthermore, the first lower pad 3, the second lower pad 4, the front pad, the rear pad, the left pad 7, the right pad 8, the first support bar 10, the second support bar 12, the third support bar 14 and the fourth support bar 17 are respectively made of silicone foam, which has a compressible and restorable effect.

[0037] The present application also provides a battery pack, which includes: a battery stack module and the battery stack box as described above. The battery stack module is arranged in the accommodating cavity.

[0038] In summary, the embodiments of the utility model provide a battery stack box and a battery pack. On the one hand, the present application can achieve a buffering effect on the battery stack module through the first lower pad 3, the second lower pad 4, the front pad, the rear pad, the left pad 7 and the right pad 8. On the other hand, the water in the box body 2 can be discharged through the first flow channel 9, so that the water in the box body 2 can flow out along the first flow channel 9 to prevent the water in the box body 2 from accumulating and causing damage to the battery stack module.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A stack box, characterized in that: include: A purge flow channel, a box body, a first lower pad, a second lower pad, a front pad, a rear pad, a left pad and a right pad; the box body is in the shape of a rectangular parallelepiped; the first lower pad and the second lower pad are arranged on the bottom surface of the box body at intervals along the length direction of the box body; a first flow channel for drainage is formed between the first lower pad and the second lower pad; the front pad is arranged on the front side surface of the box body; the rear pad is arranged on the rear side surface of the box body; the left pad is arranged on the left side surface of the box body; the right pad is arranged on the right side surface of the box body; the first lower pad, the second lower pad, the front pad, the rear pad, the left pad and the right pad are enclosed to form a accommodating cavity for installing a fuel cell stack module; the purge flow channel is arranged along the length direction of the box body, and the box body has an air outlet and an air inlet.

2. The stack box according to claim 1, characterized in that: Also includes: A plurality of first support bars; the plurality of first support bars are arranged on the side surfaces of the first lower pad and the second lower pad facing the accommodating cavity, and the battery stack abuts against the plurality of first support bars; A plurality of first support bars are arranged at intervals along the width direction of the box body, the first support bars extend along the length direction of the box body, and a second flow channel for ventilation is formed between two adjacent first support bars.

3. The stack box according to claim 2, characterized in that: Also includes: A plurality of second support bars; the plurality of second support bars are arranged on the side of the left pad facing the accommodating cavity, and the battery stack abuts against the plurality of second support bars; A plurality of second support bars are arranged at intervals along the width direction of the box body, the second support bars extend along the thickness direction of the box body, and a third flow channel for drainage is formed between two adjacent second support bars.

4. The stack box according to claim 3, characterized in that: Also includes: A plurality of third support bars; the plurality of third support bars are arranged on the side of the right pad facing the accommodating cavity, and the battery stack abuts against the plurality of third support bars; A plurality of third support bars are arranged at intervals along the width direction of the box body, the third support bars extend along the thickness direction of the box body, and a fourth flow channel for drainage is formed between two adjacent third support bars.

5. The stack box according to claim 1, characterized in that: The number of the air outlets is multiple; the multiple air outlets are arranged on the front side and the rear side of the box body.

6. The stack box according to claim 4, characterized in that: Also includes: A plurality of upper pads; the plurality of upper pads are arranged on the top surface of the box body; An installation channel for installing electric wires is formed between two adjacent upper pads.

7. The stack box according to claim 6, characterized in that: Also includes: Multiple fourth support bars; multiple fourth support bars are arranged on the side of the upper pad facing away from the accommodating cavity, and the battery stack abuts against the multiple fourth support bars; multiple fourth support bars are arranged at intervals along the width direction of the box body, and the fourth support bars extend along the length direction of the box body, and a fifth flow channel for ventilation is formed between two adjacent fourth support bars.

8. The stack box according to claim 7, characterized in that: The first lower pad, the second lower pad, the front pad, the rear pad, the left pad, the right pad, the first support bar, the second support bar, the third support bar and the fourth support bar are respectively made of silicone foam.

9. A battery pack, characterized in that: include: A battery stack module and a battery stack box as described in any one of claims 1 to 8; the battery stack module is arranged in the accommodating cavity.

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