Coal mine locomotive battery

Abstract

The utility model relates to the technical field of batteries, in particular to a coal mine locomotive battery which comprises a battery shell, a pole plate group, electrolyte, a positive terminal, a negative terminal and a safety valve, the battery shell is formed by combining a battery cover and a battery jar, and a left special-shaped heat dissipation hole and a right special-shaped heat dissipation hole are formed in the left end and the right end of the battery cover respectively. The left special-shaped heat dissipation holes and the right special-shaped heat dissipation holes are symmetrically arranged, a connecting part is arranged at the bottom end of the battery cover, and a combining part matched with the connecting part of the battery cover is arranged at the upper part of the battery jar. The LED lamp has the excellent performance of being good in heat dissipation effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technical field especially relates to a coal mine locomotive battery. BACKGROUND

[0002] Due to the requirement of energy conservation and environmental protection, the existing coal mine locomotive starts to adopt the electric type coal mine locomotive, generally adopts the sealed valve control coal mine locomotive battery to carry out electric drive. Since the coal mine locomotive often works in the mine, the coal mine locomotive battery is required to have good heat dissipation performance. The existing coal mine locomotive battery is limited due to the installation space, and there is no heat dissipation gap between the batteries, and the battery often appears the phenomenon of poor heat dissipation and bulging. In addition, the sealing strength of the battery groove and the battery cover connection of the existing coal mine locomotive battery is not enough, and sometimes the battery groove and the battery cover connection fall off. SUMMARY

[0003] The utility model aims at overcoming the prior art problems, providing a novel coal mine locomotive battery.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A coal mine locomotive battery, including battery shell, polar plate group, electrolyte, positive terminal, negative terminal, safety valve, the battery shell is installed with polar plate group, the polar plate group is filled with electrolyte around, the top of battery shell is installed with positive terminal, negative terminal and safety valve, the bottom end of positive terminal, negative terminal is connected with polar plate group in battery shell, the polar plate group is composed of positive plate, negative plate, baffle, positive busbar, negative busbar, the baffle is arranged between positive plate and negative plate, and the bottom end of positive terminal and negative terminal is connected with positive plate and negative plate through positive busbar and negative busbar respectively. The battery shell is combined by battery cover and battery groove, the left and right ends of battery cover are respectively provided with left special-shaped heat dissipation hole and right special-shaped heat dissipation hole, the left special-shaped heat dissipation hole and the right special-shaped heat dissipation hole are symmetrically arranged to conduct heat dissipation, the bottom end of battery cover is provided with a connecting part, and the upper part of battery groove is provided with a combination part matched with the connecting part of battery cover.

[0006] Further, the left special-shaped heat dissipation hole and the right special-shaped heat dissipation hole are composed of hole bottom surface, hole front side surface, hole rear side surface, hole inner side surface and hole top plate, the hole front side surface and the hole rear side surface are arranged on the front and rear sides of the hole bottom surface, the hole inner side surface is arranged on the left side or the right side of the hole bottom surface, the hole top plate is arranged above the hole bottom surface and is parallel to the hole bottom surface, the top of the hole top plate, the hole front side surface, the hole rear side surface and the hole inner side surface are connected, and the left special-shaped heat dissipation hole and the right special-shaped heat dissipation hole are both open type heat dissipation holes.

[0007] Further, the area of the hole top plate is smaller than that of the hole bottom surface, the upper surface of the hole top plate is flush with the upper surface of the battery cover, and the hole top plate is provided with an arc-shaped edge.

[0008] Further, the hole bottom surface is parallel to the upper surface of the battery cover, and the height of the hole bottom surface is lower than that of the upper surface of the battery cover, and the distance between the hole bottom surface and the upper surface of the battery cover is 30-100 mm.

[0009] Further, the hole front side surface and the hole rear side surface are perpendicular to the hole bottom surface, and the distance between the hole front side surface and the hole rear side surface is 60-160 mm.

[0010] Further, the hole bottom surface, the hole front side surface, the hole rear side surface, and the hole inner side surface are all embedded with metal heat dissipation fins, and the bottom of the hole top plate is also embedded with metal heat dissipation fins.

[0011] Further, the connecting part is formed by connecting the front connecting plate, the right connecting plate, the rear connecting plate, and the left connecting plate end to end, the top end of the front connecting plate, the right connecting plate, the rear connecting plate, and the left connecting plate is fixedly connected with the side bottom end of the battery cover, the outer side surface of the front connecting plate, the right connecting plate, the rear connecting plate, and the left connecting plate is provided with a plurality of reinforcing ribs, and the inner side surface of the front connecting plate, the right connecting plate, the rear connecting plate, and the left connecting plate is provided with a plurality of triangular connecting blocks; the combination part is formed by connecting the front side plate, the right side plate, the rear side plate, and the left side plate end to end, the bottom end of the front side plate, the right side plate, the rear side plate, and the left side plate is fixedly connected with the side top end of the battery tank, and the front side plate, the right side plate, the rear side plate, and the left side plate is provided with a plurality of connecting holes matched with the triangular connecting blocks.

[0012] Further, the top end of the battery tank is provided with an insertion groove, the insertion groove is matched with the front connecting plate, the right connecting plate, the rear connecting plate, and the left connecting plate at the bottom end of the battery cover, when the battery cover is installed on the battery tank, the front connecting plate, the right connecting plate, the rear connecting plate, and the left connecting plate are inserted into the insertion groove and sealed with strong glue.

[0013] Further, the bottom of the battery tank is provided with a plurality of heat dissipation piers, the bottom surface of the heat dissipation pier is provided with heat dissipation stripes, and the heat dissipation pier is integrally formed with the battery tank by embedding or injection molding.

[0014] Further, the heat dissipation pier is in the shape of a circular truncated cone, a prismatic truncated cone, a circular cylinder, or a prismatic cylinder, and is made of metal or plastic.

[0015] Further, the heat dissipation pier is made of plastic, the heat dissipation pier is embedded with a T-shaped heat transfer column, the bottom surface of the T-shaped heat transfer column is flush with the bottom surface of the heat dissipation pier, the upper end of the T-shaped heat transfer column extends into the inner side of the bottom of the battery tank, the upper end of the T-shaped heat transfer column is wrapped with a plastic layer, and the plastic layer is integrally formed with the battery tank by injection molding.

[0016] The utility model has the following technical effects:

[0017] The utility model discloses a left special-shaped heat dissipation hole and a right special-shaped heat dissipation hole are arranged at the left and right ends of the battery cover, the left special-shaped heat dissipation hole and the right special-shaped heat dissipation hole are composed of a hole bottom surface, a hole front side, a hole rear side, a hole inner side and a hole top plate, the area of the hole top plate is less than the area of the hole bottom surface, the upper surface of the hole top plate is flush with the upper surface of the battery cover, the hole top plate is equipped with an arc-shaped edge, and the distance between the hole bottom surface and the upper surface of the battery cover is 30-100mm. Metal heat dissipation fins can be embedded on the hole bottom surface, the hole front side, the hole rear side and the hole inner side, and the bottom of the hole top plate is also embedded with metal heat dissipation fins. The heat dissipation device or the heat dissipation aluminum fin can also be directly installed in the left special-shaped heat dissipation hole and the right special-shaped heat dissipation hole. The left special-shaped heat dissipation hole and the right special-shaped heat dissipation hole at the left and right ends of the battery cover not only greatly increase the heat dissipation area of the upper part of the battery, but also are beneficial to the installation of external heat dissipation components, greatly improve the heat dissipation performance of the battery, can effectively prevent the battery from bulging, and effectively improve the service life of the battery.

[0018] In addition, the utility model discloses a connecting portion is equipped at the bottom end of the battery cover, a combination portion that is matched with the connecting portion of the battery cover is equipped at the upper part of the battery groove, a plurality of triangular connecting blocks are equipped on the connecting portion, a plurality of connecting holes that are matched with the triangular connecting blocks are equipped on the combination portion. When the battery cover is assembled with the battery groove, the triangular connecting blocks are inserted into the connecting holes to increase the connecting strength of the battery cover and the battery groove, and in addition, the glue sealing or heat sealing effect between the battery cover and the battery groove can effectively prevent the battery groove and the battery cover from falling off. The utility model also discloses an insertion groove at the top end of the battery groove. When the battery cover is installed on the battery groove, the front connecting plate, the right connecting plate, the rear connecting plate, the left connecting plate and the reinforcing rib on the outside are all inserted into the insertion groove at the top end of the battery groove, then strong glue is injected into the insertion groove to form glue sealing and double connection of the triangular connecting blocks between the battery cover and the battery groove, which can further increase the connecting reliability between the battery groove and the battery cover and further increase the connecting strength between the battery groove and the battery cover to prevent falling off.

[0019] Again, the utility model discloses at the bottom of battery tank is equipped with a plurality of heat dissipation piers, and the bottom surface of heat dissipation pier is equipped with heat dissipation stripe, and the shape of heat dissipation pier is circular platform body, prismatic platform body, cylinder or prism. As preferred, the T-shaped heat transfer column is inlaid in the heat dissipation pier, the bottom surface of T-shaped heat transfer column is flush with the bottom surface of heat dissipation pier, the upper end of T-shaped heat transfer column extends into the inside of the bottom of battery tank, the upper end of T-shaped heat transfer column is wrapped with plastic layer, and the plastic layer is integrally formed with battery tank through injection molding. The heat dissipation pier and T-shaped heat transfer column not only can increase the heat dissipation area of the lower part of battery, but also form heat dissipation gap between heat dissipation piers, and T-shaped heat transfer column can rapidly transfer heat, can send cooling water or cold wind to force battery to dissipate heat, further enhance the heat dissipation performance of battery, prevent the bulging phenomenon of battery, and improve the service life of battery. The utility model discloses that the bottom surface of heat dissipation pier is equipped with heat dissipation stripe, can strengthen heat dissipation, and also can play the antiskid effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model.

[0021] Figure 2 It is the front view of battery cover.

[0022] Figure 3 It is Figure 2 A-A section view in the middle.

[0023] Figure 4 It is Figure 3 The local enlarged view of K in the middle.

[0024] Figure 5 It is the structure schematic diagram of installing metal heat dissipation sheet in left special-shaped heat dissipation hole and right special-shaped heat dissipation hole.

[0025] Figure 6 It is the front view of battery tank.

[0026] Figure 7 It is Figure 6 The local enlarged view of G in the middle.

[0027] Figure 8 It is Figure 6 The local enlarged view of H in the middle.

[0028] Figure 9 It is the plan view of battery tank.

[0029] In the drawing, 1-battery tank, 2-battery cover, 3-plate group, 4-separator, 5-electrolyte, 6-safety valve, 7-positive terminal, 8-negative terminal, 9-positive bus, 10-negative bus, 11-positive plate, 12-negative plate, 13-left special-shaped heat dissipation hole, 14-right special-shaped heat dissipation hole, 15-hole bottom surface, 16-hole front side surface, 17-hole rear side surface, 18-hole inner side surface, 19-hole top plate, 20-metal heat dissipation fin, 21-front connecting plate, 22-right connecting plate, 23-rear connecting plate, 24-left connecting plate, 25-stiffener, 26-triangle connecting block, 27-front side plate, 28-right side plate, 29-rear side plate, 30-left side plate, 31-connecting hole, 32-heat dissipation mound, 33-T-shaped heat transfer column, 34-heat transfer rod, 35-heat transfer cake, 36-plastic layer, 37-insertion groove. DETAILED DESCRIPTION

[0030] The utility model will be further explained in connection with specific implementation. Among them, the drawing is only used for example explanation, and the representation is only schematic diagram, and cannot be understood as the limitation to this patent; in order to better explain the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, some well-known structures and their description in the drawing can be omitted, which is understandable.

[0031] As shown in the figure, a coal mine locomotive battery, including battery shell, plate group 3, electrolyte 5, positive terminal 7, negative terminal 8, safety valve 6, the battery shell is installed with plate group 3, the plate group 3 is filled with electrolyte 5 around, the battery shell top is installed with positive terminal 7, negative terminal 8 and safety valve 6, the bottom end of positive terminal 7, negative terminal 8 is connected into the battery shell with plate group 3, the plate group 3 is composed of positive plate 11, negative plate 12, separator 4, positive bus 9, negative bus 10, the separator 4 is arranged between positive plate 11, negative plate 12, and positive plate 11, negative plate 12 is connected with the bottom end of positive terminal 7, negative terminal 8 through positive bus 9, negative bus 10 respectively.

[0032] The battery shell is combined by battery cover 2 and battery tank 1, the battery cover 2 and battery tank 1 are made of plastic or metal material by injection molding or machining, and are connected by glue sealing or heat sealing between battery cover 2 and battery tank 1. The left and right ends of the battery cover 2 are respectively provided with left special-shaped heat dissipation hole 13 and right special-shaped heat dissipation hole 14, the left special-shaped heat dissipation hole 13 and the right special-shaped heat dissipation hole 14 are symmetrically arranged to conduct heat dissipation, the bottom end of the battery cover 2 is provided with a connecting part, and the upper part of the battery tank 1 is provided with a combination part matched with the connecting part of the battery cover 2.

[0033] The left and right special-shaped heat dissipation holes 13, 14 are embedded in the left and right ends of the battery cover 2 and are integrally formed with the battery cover 2 by injection molding or stamping. The left and right special-shaped heat dissipation holes 13, 14 are jointly surrounded by a hole bottom surface 15, a hole front side surface 16, a hole rear side surface 17, a hole inner side surface 18, and a hole top plate 19. The hole front side surface 16 and the hole rear side surface 17 are arranged on the front and rear sides of the hole bottom surface 15. The hole inner side surface 18 is arranged on the left or right side of the hole bottom surface 15. The hole top plate 19 is arranged above the hole bottom surface 15 and is parallel to the hole bottom surface 15. The hole top plate 19 is connected to the top of the hole front side surface 16, the hole rear side surface 17, and the hole inner side surface 18.

[0034] The area of the hole top plate 19 is smaller than that of the hole bottom surface 15. The upper surface of the hole top plate 19 is flush with the upper surface of the battery cover 2. The hole top plate 19 is provided with an arc-shaped edge. The hole bottom surface 15 is parallel to the upper surface of the battery cover 2, and the height of the hole bottom surface 15 is lower than that of the upper surface of the battery cover 2. The distance between the hole bottom surface 15 and the upper surface of the battery cover 2 is 30-100 mm. The hole front side surface 16 and the hole rear side surface 17 are perpendicular to the hole bottom surface 15. The distance between the hole front side surface 16 and the hole rear side surface 17 is 60-160 mm. As a preferred option, metal heat dissipation fins 20 are embedded in or pasted on the hole bottom surface 15, the hole front side surface 16, the hole rear side surface 17, and the hole inner side surface 18. The bottom of the hole top plate 19 is also embedded in or pasted on the metal heat dissipation fins 20.

[0035] The left and right special-shaped heat dissipation holes 13, 14 are open-type heat dissipation holes, and water-cooled or air-cooled heat dissipation devices or heat dissipation aluminum fins can be directly installed in the left and right special-shaped heat dissipation holes 13, 14. The left and right special-shaped heat dissipation holes 13, 14 not only greatly increase the heat dissipation area of the upper part of the battery but also facilitate the installation of external heat dissipation components, greatly improve the heat dissipation performance of the battery, effectively prevent the battery from bulging, and effectively improve the service life of the battery.

[0036] As shown in the figure, the connecting part of the bottom end of the battery cover 2 is connected by the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24, the top end of the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24 is fixedly connected with the side bottom end of the battery cover 2. The front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24 are made of the same material as the battery cover 2, and are integrally formed with the battery cover 2 by injection molding, casting or other methods. A plurality of vertical reinforcing ribs 25 are arranged on the outer side of the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24, and a plurality of triangular connecting blocks 26 are arranged on the inner side of the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24. The reinforcing ribs 25 and the triangular connecting blocks 26 are made of the same material as the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24, and are integrally formed with the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23 and the left connecting plate 24 by injection molding, casting or other methods.

[0037] The connecting part of the top end of the battery tank 1 is connected by the front side plate 27, the right side plate 28, the rear side plate 29 and the left side plate 30, the bottom end of the front side plate 27, the right side plate 28, the rear side plate 29 and the left side plate 30 is fixedly connected with the side top end of the battery tank 1. The front side plate 27, the right side plate 28, the rear side plate 29 and the left side plate 30 are made of the same material as the battery tank 1, and are integrally formed with the battery tank 1 by injection molding, casting or other methods. The front side plate 27, the right side plate 28, the rear side plate 29 and the left side plate 30 are provided with a plurality of connecting holes 31, the size and shape of the connecting holes 31 are matched with the triangular connecting blocks 26, the connecting holes 31 are made of the same material as the front side plate 27, the right side plate 28, the rear side plate 29 and the left side plate 30, and are integrally formed with the front side plate 27, the right side plate 28, the rear side plate 29 and the left side plate 30 by injection molding, casting or other methods. When the battery cover 2 is installed on the battery tank 1, the triangular connecting blocks 26 are inserted into the connecting holes 31, and form interference fit or hook type fit with the connecting holes 31, so as to increase the connecting strength of the battery cover 2 and the battery tank 1, and the glue sealing or heat sealing between the battery cover 2 and the battery tank 1 can effectively prevent the connecting parts of the battery tank 1 and the battery cover 2 from falling off.

[0038] In the embodiment, the top end of the battery tank 1 is also provided with an insertion slot, the insertion slot is matched with the connecting part of the battery cover 2, when the battery cover 2 is installed on the battery tank 1, the front connecting plate 21, the right connecting plate 22, the rear connecting plate 23, the left connecting plate 24 and the outer reinforcing ribs 25 of the connecting part are inserted into the insertion slot at the top end of the battery tank 1, then strong glue is injected into the insertion slot, so as to form a firm glue sealing structure between the battery cover 2 and the battery tank 1.

[0039] As shown in the figure, the bottom of the battery tank 1 is provided with several heat dissipation piers 32, the heat dissipation piers 32 are circular truncated cone, truncated prism, cylinder or prism in shape, the heat dissipation piers 32 are made of metal or plastic, and are integrally formed with the battery tank 1 by inlaying, injection molding, welding or other ways. The bottom surface of the heat dissipation pier 32 is provided with heat dissipation stripes, the heat dissipation stripes are parallel stripes, cross stripes or pattern stripes. The spacing between the heat dissipation piers 32 is 30-90mm, the heat dissipation piers 32 not only can increase the heat dissipation area of the lower part of the battery, but also form heat dissipation gaps between the heat dissipation piers 32, cooling water or cold air can be sent into the heat dissipation gaps to forcibly cool the battery, so that the battery heat dissipation performance can be further enhanced, and the battery bulging phenomenon can be prevented. The heat dissipation stripes are arranged on the bottom surface of the heat dissipation pier 32, so that the heat dissipation can be enhanced, and the anti-skid effect can be achieved.

[0040] As a further preferred, the heat dissipation pier 32 is made of plastic, and a T-shaped heat transfer column 33 is inlaid in the heat dissipation pier 32, the T-shaped heat transfer column 33 is composed of a heat transfer rod 34 at the upper part and a heat transfer cake 35 at the lower part, the heat transfer rod 34 is an elongated cylindrical rod, the heat transfer cake 35 is a cylindrical body or a regular polygonal body with a larger diameter, and the T-shaped heat transfer column 33 is pressed from aluminum alloy. The bottom surface of the T-shaped heat transfer column 33 is flush with the bottom surface of the heat dissipation pier 32, the upper end of the T-shaped heat transfer column 33 extends into the inside of the bottom of the battery tank 1, the upper end of the T-shaped heat transfer column 33 is wrapped with a plastic layer 36, and the plastic layer 36 is integrally formed with the battery tank 1 by injection molding.

[0041] The preferred embodiments of the utility model are described above, and the protection scope of the utility model is not limited to the above-mentioned embodiments. It should be noted that, for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the utility model can be regarded as the protection scope of the utility model. The components not explicitly described in the embodiments can be realized by the prior art.

Claims

1. A coal mine locomotive battery comprising a battery shell, a plate group, an electrolyte, a positive terminal, a negative terminal, a safety valve, the plate group being installed in the battery shell, the plate group being filled with the electrolyte, the top of the battery shell being provided with the positive terminal, the negative terminal and the safety valve, the bottom end of the positive terminal and the negative terminal extending into the battery shell and being connected with the plate group, the plate group being composed of positive plates, negative plates, separators, positive busbars and negative busbars, the positive plates and the negative plates being provided with the separators, the positive plates and the negative plates being connected with the bottom end of the positive terminal and the negative terminal through the positive busbars and the negative busbars, characterized in that: the battery shell is composed of a battery cover and a battery tank, the left and right ends of the battery cover being respectively provided with left and right special-shaped heat dissipation holes, the left and right special-shaped heat dissipation holes being symmetrically arranged and used for heat conduction and dissipation, the bottom end of the battery cover being provided with a connecting part, and the upper part of the battery tank being provided with a combining part which is adapted to the connecting part of the battery cover. The left and right special-shaped heat dissipation holes are composed of a hole bottom surface, a hole front side surface, a hole rear side surface, a hole inner side surface and a hole top plate, the hole front side surface and the hole rear side surface being arranged on the front and rear sides of the hole bottom surface, the hole inner side surface being arranged on the left or right side of the hole bottom surface, the hole top plate being arranged above the hole bottom surface and being parallel to the hole bottom surface, the hole top plate being connected with the top of the hole front side surface, the hole rear side surface and the hole inner side surface, and the left and right special-shaped heat dissipation holes being open heat dissipation holes.

2. The coal mine locomotive battery of claim 1, wherein: The area of the hole top plate is smaller than the area of the hole bottom surface, the upper surface of the hole top plate is flush with the upper surface of the battery cover, and the hole top plate is provided with an arc-shaped edge; the hole bottom surface is parallel to the upper surface of the battery cover and the height of the hole bottom surface is lower than the upper surface of the battery cover, and the distance between the hole bottom surface and the upper surface of the battery cover is 30-100 mm.

3. The coal mine vehicle battery of claim 2, wherein: The hole bottom surface, the hole front side surface, the hole rear side surface and the hole inner side surface are all embedded with metal heat dissipation fins, and the bottom of the hole top plate is also embedded with metal heat dissipation fins.

4. The coal mine locomotive battery of claim 2, wherein: The connecting part is composed of a front connecting plate, a right connecting plate, a rear connecting plate and a left connecting plate which are connected in a head-to-tail manner, the top end of each of the front connecting plate, the right connecting plate, the rear connecting plate and the left connecting plate being fixedly connected with the side bottom end of the battery cover, a plurality of reinforcing ribs being arranged on the outer side surface of each of the front connecting plate, the right connecting plate, the rear connecting plate and the left connecting plate, and a plurality of triangular connecting blocks being arranged on the inner side surface of each of the front connecting plate, the right connecting plate, the rear connecting plate and the left connecting plate; the combining part is composed of a front side plate, a right side plate, a rear side plate and a left side plate which are connected in a head-to-tail manner, the bottom end of each of the front side plate, the right side plate, the rear side plate and the left side plate being fixedly connected with the side top end of the battery tank, and a plurality of connecting holes which are adapted to the triangular connecting blocks being arranged on each of the front side plate, the right side plate, the rear side plate and the left side plate.

5. The coal mine vehicle battery of claim 1, wherein: The top end of the battery tank is provided with an insertion groove which is adapted to the front connecting plate, the right connecting plate, the rear connecting plate and the left connecting plate of the bottom end of the battery cover, and when the battery cover is installed on the battery tank, the front connecting plate, the right connecting plate, the rear connecting plate and the left connecting plate are inserted into the insertion groove and are glued with strong glue.

6. The coal mine vehicle battery of claim 1, wherein: ​ 7. The coal mine vehicle battery of claim 1, wherein: The bottom of the battery tank is provided with several heat dissipation piers, the bottom surface of the heat dissipation pier is provided with heat dissipation stripes, and the heat dissipation pier is integrally formed with the battery tank through inlaying or injection molding.

8. The coal mine vehicle battery of claim 7, wherein: The heat dissipation pier is in the shape of a circular truncated cone, a prismatic truncated cone, a circular cylinder or a prismatic cylinder, and is made of metal or plastic.

9. The coal mine vehicle battery of claim 8, wherein: The heat dissipation pier is made of plastic, a T-shaped heat transfer column is inlaid in the heat dissipation pier, the bottom surface of the T-shaped heat transfer column is flush with the bottom surface of the heat dissipation pier, the upper end of the T-shaped heat transfer column extends into the inside of the bottom of the battery tank, the upper end of the T-shaped heat transfer column is wrapped with a plastic layer, and the plastic layer and the battery tank are integrally formed through injection molding.

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