CN212342698U - Battery heat abstractor and battery equipment - Google Patents

Abstract

The utility model relates to a battery heat abstractor and battery equipment. The device comprises a first heat-conducting plate, a second heat-conducting plate, a heat pipe and a battery box body used for setting the battery, wherein the first heat-conducting plate is arranged in the battery box body, the second heat-conducting plate is arranged on the surface of the battery box body, the heat absorption end of the heat pipe is arranged on the first heat-conducting plate, and the heat dissipation end of the heat pipe is arranged on the second heat-conducting plate. On the heat in the battery box can transmit first heat-conducting plate, be provided with the heat absorption end of heat pipe in the first heat-conducting plate, can absorb heat transmission to the heat dissipation end of heat pipe, the heat of the heat dissipation end of heat pipe can transmit on the second heat-conducting plate, the second heat-conducting plate sets up in the surface of battery box, can distribute away the heat, thereby transmit the heat in the battery box outside the battery box and distribute away, the temperature of the battery in the battery box has been reduced, need not make battery stop work just can be to its cooling, it is convenient to use.

Description

Battery heat abstractor and battery equipment

Technical Field

The utility model relates to a battery technology field especially relates to a battery heat abstractor and battery equipment.

Background

With the development of scientific technology and the improvement of living standard of people, electric equipment permeates into all corners of our lives, batteries are widely used in all fields as green and environment-friendly energy sources, the batteries are the basis for guaranteeing the normal work of the electric equipment, and the performance of the batteries is the main concern of users. The battery can generate heat when in use, the temperature of the battery and the ambient temperature of the battery can be increased after the battery is used for a period of time, the electrochemical reaction in the battery can be accelerated due to the overhigh temperature of the battery or the overhigh ambient temperature, the chemical balance in the battery can be damaged, the performance of the battery can be degraded due to side reaction, and the cycle life of the battery can be shortened.

The traditional method for reducing the temperature of the battery is to stop using the battery after the battery is used for a period of time, so that the problem that the temperature is too high due to continuous heat generation of the battery is avoided, however, the method cannot use the battery for a long time, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a battery heat sink and a battery device to solve the problem that the conventional method for reducing the temperature of the battery is inconvenient to use.

The battery heat dissipation device comprises a first heat conduction plate, a second heat conduction plate, a heat pipe and a battery box body used for arranging a battery, wherein the first heat conduction plate is arranged in the battery box body, the second heat conduction plate is arranged on the surface of the battery box body, the heat absorption end of the heat pipe is arranged on the first heat conduction plate, and the heat dissipation end of the heat pipe is arranged on the second heat conduction plate.

The battery heat dissipation device comprises a first heat conduction plate, a second heat conduction plate, a heat pipe and a battery box body used for setting a battery, wherein the first heat conduction plate is arranged in the battery box body, the second heat conduction plate is arranged on the surface of the battery box body, the heat absorption end of the heat pipe is arranged on the first heat conduction plate, and the heat dissipation end of the heat pipe is arranged on the second heat conduction plate. The battery box can lay the battery, provide the protection for the battery, first heat-conducting plate sets up in the battery box, heat in the battery box can transmit on first heat-conducting plate, be provided with the heat absorption end of heat pipe in the first heat-conducting plate, can absorb the heat transmission to the heat dissipation end of heat pipe, the heat of the heat dissipation end of heat pipe can transmit on the second heat-conducting plate, the second heat-conducting plate sets up in the surface of battery box, can distribute away the heat, thereby transmit the heat in the battery box outside the battery box and distribute away, the temperature of the battery in the battery box has been reduced, need not make battery stop work just can cool down it, it is convenient to use.

In one embodiment, the battery heat dissipation device further comprises a heat dissipation plate, and the heat dissipation plate is arranged on one side, away from the battery box body, of the second heat conduction plate.

In one embodiment, the size of the heat dissipation plate is greater than or equal to the size of the second heat conduction plate.

In one embodiment, the battery heat dissipation device further comprises heat dissipation thorns, and the heat dissipation thorns are arranged on one side of the heat dissipation plate away from the second heat conduction plate.

In one embodiment, the number of the heat dissipation thorns is more than two.

In one embodiment, the battery heat sink further comprises a pole plate disposed in the battery box, and a pole hole for connecting the battery is embedded in the pole plate.

In one embodiment, the battery heat sink further comprises a handle disposed on a surface of the battery case.

A battery device comprises a battery and the battery heat dissipation device.

Above-mentioned battery equipment, including first heat-conducting plate, second heat-conducting plate, heat pipe and the battery box that is used for setting up the battery, first heat-conducting plate sets up in the battery box, and the second heat-conducting plate sets up in the surface of battery box, and the heat absorption end of heat pipe sets up in first heat-conducting plate, and the heat dissipation end of heat pipe sets up in the second heat-conducting plate. The battery box can lay the battery, provide the protection for the battery, first heat-conducting plate sets up in the battery box, heat in the battery box can transmit on first heat-conducting plate, be provided with the heat absorption end of heat pipe in the first heat-conducting plate, can absorb the heat transmission to the heat dissipation end of heat pipe, the heat of the heat dissipation end of heat pipe can transmit on the second heat-conducting plate, the second heat-conducting plate sets up in the surface of battery box, can distribute away the heat, thereby transmit the heat in the battery box outside the battery box and distribute away, the temperature of the battery in the battery box has been reduced, need not make battery stop work just can cool down it, it is convenient to use.

In one embodiment, the battery comprises more than two electric core layers which are arranged in a stacked manner, and the first heat conduction plate is arranged between two adjacent electric core layers.

In one embodiment, the battery device further comprises a separator plate disposed between the first thermally conductive plate and the core layer.

Drawings

FIG. 1 is a partial block diagram of a battery heat sink in one embodiment;

FIG. 2 is a schematic view of a heat pipe installation according to an embodiment;

FIG. 3 is a partial block diagram of a battery heat sink in accordance with another embodiment;

FIG. 4 is a schematic diagram of the structure of the heat spreader plate and the heat spreader pin in one embodiment;

FIG. 5 is a partial block diagram of a battery heat sink in accordance with yet another embodiment;

FIG. 6 is a block diagram of a battery heat sink in one embodiment;

fig. 7 is a structural view of a battery heat sink in another embodiment;

fig. 8 is a schematic diagram of the structure of a battery device in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described more fully below by way of examples in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In one embodiment, please refer to fig. 1, which provides a battery heat dissipation device, including a first heat conduction plate 110, a second heat conduction plate 120, a heat pipe 200 and a battery case 300 for disposing a battery, wherein the first heat conduction plate 110 is disposed in the battery case 300, the second heat conduction plate 120 is disposed on the surface of the battery case 300, a heat absorption end of the heat pipe 200 is disposed on the first heat conduction plate 110, and a heat dissipation end of the heat pipe 200 is disposed on the second heat conduction plate 120. The battery can be laid to battery box 300, provide the protection for the battery, first heat-conducting plate 110 sets up in battery box 300, heat in battery box 300 can transmit on first heat-conducting plate 110, be provided with the heat absorption end of heat pipe 200 in the first heat-conducting plate 110, can absorb the heat transmission to the heat dissipation end of heat pipe 200, the heat of the heat dissipation end of heat pipe 200 can transmit on second heat-conducting plate 120, second heat-conducting plate 120 sets up in the surface of battery box 300, can distribute away the heat, thereby transmit outside battery box 300 and distribute away the heat with the heat in battery box 300, the temperature of the battery in battery box 300 has been reduced, need not make the battery stop work just can cool down it, it is convenient to use.

Specifically, battery box 300 is used as the container of laying the battery, can be convenient for arrange the battery in order and accomodate, can also protect the battery, prevents adverse factor such as dust, steam or external force striking among some environment and damages the battery, prolongs the life of battery. The number of batteries that can be placed in the battery box 300 is not limited, and the size of the battery box 300 can also be adjusted according to actual requirements. Battery box 300 includes box body and case lid 800, and the box body is used for laying the battery, and case lid 800 can dismantle with the box body and be connected, for example can dismantle the connection through modes such as screw, when case lid 800 needs to be installed, case lid 800 passes through the screw fixation at the upper surface of box body, just so forms a confined appearance chamber, holds the intracavity portion and is used for laying the battery, overhaul the battery when needs, maintain or change the wait, dismantle case lid 800 get off can, it is convenient to use. Generally, the battery case 300 is made of a stainless steel plate, and the surface of the battery case is insulated by electrophoresis, so that the risk of electric shock can be avoided on the premise of ensuring the strength, and the safety performance of the battery heat dissipation device is improved.

The first heat-conducting plate 110 and the second heat-conducting plate 120 can both transfer heat and are made of heat-conducting materials. The types of the first and second heat conduction plates 110 and 120 are not exclusive, and may be, for example, aluminum alloy plates, or other types of heat conduction plates as long as heat can be transferred. Generally, the first heat conduction plate 110 and the second heat conduction plate 120 are both flat plates, so that the heat transfer efficiency is high, and the thickness, shape, etc. of the first heat conduction plate 110 may be adjusted according to the shape of the battery case 300 or actual requirements, as long as those skilled in the art can realize the heat transfer. In an expandable manner, the number of the second heat conduction plates 120 is not unique, and when the number of the heat pipes 200 is multiple and the heat dissipation ends of the heat pipes 200 have different extending directions, one second heat conduction plate 120 can be arranged in the extending directions of the different heat dissipation ends, so as to better install the heat pipes 200, facilitate zone control, and facilitate management and maintenance.

The sizes of the first heat conduction plate 110 and the second heat conduction plate 120 are not unique, the first heat conduction plate 110 is arranged in the battery box body 300, the size of the first heat conduction plate 110 can be smaller than the size of the cross section of the battery box body 300, and can be adjusted according to actual requirements, the second heat conduction plate 120 is arranged on the surface of the battery box body 300 and is in contact with air, and is generally arranged on the side surface of the battery box body 300, so that heat dissipation is facilitated, placement and carrying of the battery box body 300 are facilitated, the size of the second heat conduction plate 120 can be larger than, smaller than or equal to the area of the surface of the arranged battery box body 300, and can be adjusted according to actual requirements. Use battery box 300 to be the cuboid, the length of cuboid is greater than the height of cuboid for example, the area of first heat-conducting plate 110 can be the area that the length and the width of cuboid center on forming, the area of second heat-conducting plate 120 can be the area that the width and the height of cuboid center on forming, the area of first heat-conducting plate 110 is greater than the area of second heat-conducting plate 120 this moment. It is understood that in other embodiments, the first and second heat conductive plates 110, 120 may be other sizes, as deemed practicable by those skilled in the art.

The heat pipe 200 is a heat transfer element with extremely high heat conductivity, it transfers heat through evaporation and condensation of liquid in the totally enclosed vacuum pipe, it utilizes fluid principles such as capillary action, etc., play a similar refrigerator compressor refrigeration effect, it has a series of advantages such as very high heat conductivity, good isothermality, heat flux density variability, heat flux direction suitable reversibility, can transmit heat remotely, constant temperature characteristic (controllable heat pipe), thermal diode and thermal switch performance, etc., and the heat exchanger made up of heat pipe 200 has advantages such as high heat transfer efficiency, compact structure, little fluid resistance loss, etc. Referring to fig. 2, the number of the heat pipes 200 is not exclusive, and in order to improve the heat dissipation efficiency, the heat pipes 200 may be installed, and each heat pipe 200 may be disposed in parallel on the first heat conducting plate 110 and the second heat conducting plate 120, so as to enlarge the heat transfer area and reduce the mutual influence between different heat pipes 200.

The heat absorbing end of the heat pipe 200 is disposed on the first heat conducting plate 110, the heat dissipating end of the heat pipe 200 is disposed on the second heat conducting plate 120, and the heat pipe 200 is not disposed in a unique manner, for example, the heat pipe may be disposed in the first heat conducting plate 110 and the second heat conducting plate 120 by injection molding, the position of the heat pipe 200 may be fixed by injection molding, which is beneficial to improving the working performance of the heat pipe 200, and the heat pipe 200 may be protected by the first heat conducting plate 110 and the second heat conducting plate 120, so as to prolong the service life of the heat pipe 200.

Use first heat-conducting plate 110 and second heat-conducting plate 120 to be aluminum alloy plate, and the area of first heat-conducting plate 110 is greater than the area of second heat-conducting plate 120 for example, the heat absorption end embedding of heat pipe 200 is in the heat dissipation aluminum alloy plate that the area is big, the heat dissipation end embedding of heat pipe 200 is in the heat dissipation aluminum alloy plate that the area is little, when the battery is in high temperature, the heat through the heat-conducting form battery is at first conducted on the aluminum alloy heating panel 410 that the area is big, heat pipe 200 heat absorption end absorbs heat and transmits to heat pipe 200 heat dissipation end, heat pipe 200 heat dissipation end is with heat conduction to the aluminum alloy heating panel 410 that the area is little, will take away the heat when the air flows on the aluminum alloy heating panel 410 that the.

In one embodiment, referring to fig. 3, the battery heat dissipation device further includes a heat dissipation plate 410, and the heat dissipation plate 410 is disposed on a side of the second heat conduction plate 120 away from the battery case 300. The heat of the second heat-conducting plate 120 can be transferred to the heat-dissipating plate 410, and the heat-dissipating plate 410 can help the second heat-conducting plate 120 to increase the heat-dissipating speed, thereby increasing the cooling speed of the battery.

Specifically, the heat dissipation plate 410 can transfer heat, one side of the heat dissipation plate 410 is close to the second heat conduction plate 120, and can absorb the heat on the second heat conduction plate 120, and the heat dissipation plate 410 is in contact with air, so that the heat can be dissipated into the air, and the heat can be taken away by means of air flow, so as to reduce the temperature of the heat conduction plate and the temperature of the second heat conduction plate 120. The type of the heat dissipation plate 410 is not exclusive, and may be, for example, an aluminum alloy plate, or may be another type of heat dissipation plate 410 as long as heat can be transferred. The heat dissipation plate 410 is generally flat, so that heat transfer efficiency is high, and the thickness, shape, etc. of the heat dissipation plate 410 may be adjusted according to the shape of the second heat conduction plate 120 or actual requirements, as long as those skilled in the art can realize the heat dissipation plate.

The heat dissipation plate 410 and the second heat conduction plate 120 may be disposed in contact with each other or may be fixed at a certain distance by a connection member. The heat dissipation plate 410 is not unique, for example, the heat dissipation plate 410 can be disposed on the side of the second heat conduction plate 120 away from the battery case 300 by screws, so that the heat dissipation plate 410 can be attached to the second heat conduction plate 120 more closely, the contact area is increased, heat conduction to the heat dissipation plate 410 is facilitated, and the heat dissipation efficiency is improved. The heat dissipation plate 410 is not exclusive, and may be a flat plate having a heat conduction function, for example, or may include a flat plate having a heat conduction function and a heat dissipation member, and the heat dissipation member is disposed on the flat plate having a heat conduction function, specifically, may be disposed on a side of the flat plate having a heat conduction function away from the second heat conduction plate 120, so as to accelerate heat dissipation. It is understood that the type of heat dissipation element is not exclusive, and may be, for example, a fan or a semiconductor cooling plate, and the like, and may be specifically selected according to actual needs, as long as the implementation is considered by those skilled in the art.

In one embodiment, the size of the heat dissipation plate 410 is greater than or equal to the size of the second heat conduction plate 120. When the size of the heat dissipation plate 410 is greater than or equal to the size of the second heat conduction plate 120, the heat dissipation plate 410 can sufficiently dissipate the heat on the second heat conduction plate 120, thereby improving the cooling efficiency.

Specifically, in the present embodiment, the size of the heat dissipation plate 410 and the size of the second heat conduction plate 120 are the cross-sectional areas of the heat dissipation plate 410 and the second heat conduction plate 120 in the same direction, and the heat dissipation plate 410 and the second heat conduction plate 120 are stacked. When the size of the heat radiating plate 410 is equal to that of the second heat conductive plate 120, if the shapes of the cross sections of the heat radiating plate 410 and the second heat conductive plate 120 are the same, the heat radiating plate 410 and the second heat conductive plate 120 may be aligned for easy tidying and storage. In addition, when the heat dissipation plate 410 can be aligned with the second heat conduction plate 120, the effective heat transfer area between the second heat conduction plate 120 and the heat dissipation plate 410 is large, which facilitates to transfer heat to the heat dissipation plate 410 quickly, and increases the cooling rate. When the size of the heat dissipation plate 410 is larger than the area of the second heat conduction plate 120, the heat dissipation area of the heat dissipation plate 410 can be increased, and the heat dissipation speed can be increased. It is understood that in other embodiments, the heat dissipation plate 410 may have a size smaller than the area of the second heat conduction plate 120, thereby saving material.

In one embodiment, referring to fig. 4 and 5, the battery heat dissipation device further includes heat dissipation fins 420, and the heat dissipation fins 420 are disposed on a side of the heat dissipation plate 410 away from the second heat conduction plate 120. The heat on the heat dissipation plate 410 can be transferred to the heat dissipation barbs 420, and the heat dissipation barbs 420 can increase the heat dissipation area, so that the heat dissipation plate 410 is helped to accelerate the heat dissipation speed, and the battery cooling speed is increased.

Specifically, the heat dissipation fins 420 are not disposed in a unique manner, and for example, the heat dissipation fins 420 may be disposed on a side of the heat dissipation plate 410 away from the second heat conduction plate 120 by injection molding, so that the heat dissipation plate 410 and the heat dissipation fins 420 have better integrity and higher heat transfer efficiency. The heat-dissipating fins 420 are made of a heat-conducting material, and the type of the heat-dissipating fins 420 is not exclusive, and may be, for example, an aluminum alloy heat-dissipating fin 420, or other types of heat-dissipating fins 420, as long as heat can be transferred. The shape of the heat dissipation spine 420 may be a long strip or any other shape, and the size of the heat dissipation spine 420 may be adjusted according to actual requirements, which is not described herein. Taking the heat dissipation spine 420 as a strip as an example, the strip heat dissipation spine 420 is disposed on the heat dissipation plate 410, specifically disposed on one side of the heat dissipation plate 410 away from the second heat conduction plate 120, except for the side of the heat dissipation spine 420 close to the second heat conduction plate 120, other sides can be in contact with air, the second heat conduction plate 120 conducts heat to the heat dissipation plate 410 with the heat dissipation spine 420, when the air flows on the heat dissipation spine 420, the heat is taken away, and the purpose of dissipating heat of the battery in the battery box 300 is achieved.

In one embodiment, the number of the heat dissipation barbs 420 is more than two. When the number of the heat dissipation stabs 420 is more than two, the heat dissipation area of the heat dissipation stabs 420 can be increased, the heat dissipation speed is increased, and therefore the cooling speed of the battery is increased.

Specifically, taking the side of the heat dissipation plate 410 away from the second heat conduction plate 120 as an outer side as an example, the outer side of the heat dissipation plate 410 is provided with a plurality of heat dissipation barbs 420 by injection molding, and the specific number of the heat dissipation barbs 420 is determined by design requirements. The arrangement of the heat dissipation spines 420 is not unique, for example, the heat dissipation spines 420 can be arranged in parallel to arrange more heat dissipation spines 420 in a certain area, a certain distance should exist between the heat dissipation spines 420 to facilitate heat dissipation, and the specific value of the distance can be adjusted according to actual requirements. In the present embodiment, the battery case 300 has 34 heat dissipation fins 420, and each heat dissipation fin 420 is made of an aluminum alloy material and is integrated with the heat dissipation plate 410 by injection molding. The heat dissipation thorn 420 is a cuboid with the width of 1.2mm, the height of 15mm and the length of 149mm, the interval between every two heat dissipation thorns 420 is 4.8mm, the contact air with the maximized heat dissipation area can be achieved, and heat dissipation can be better achieved.

In one embodiment, referring to fig. 5, the battery heat sink further includes a post plate 510 disposed on the battery case 300, and a post hole 520 for connecting a battery is embedded in the post plate 510. The post plate 510 serves as a carrier for the post hole 520 and can position the post hole 520, and the post hole 520 can connect the battery inside the battery case 300 with an external load, so that the battery inside the battery case 300 can supply power to the external load.

Specifically, the position of the pole plate 510 is not unique, and the pole plate can be generally disposed on the side of the battery case 300, so as to facilitate connection of a load, and the placement of the battery case 300 is not affected. Further, the pole plate 510 is installed at a side where the second heat conduction plate 120 is not installed, for example, may be installed at a side opposite to a side of the battery case 300 close to the second heat conduction plate 120, so as to reduce the influence of heat emitted from the second heat conduction plate 120 on the pole plate 510, which causes the temperature of the pole plate 510 to rise, thereby affecting the working performance of the pole plate 510. The material of the pole plate 510 is not exclusive, and for example, the pole plate 510 may be nylon, so as to avoid electric leakage and improve safety performance. The inner side and the outer side of the pole column hole 520 are both provided with threads, the inner side connects the positive electrode and the negative electrode of the battery through screws, the outer side connects the positive electrode and the negative electrode of the load, the pole column plate 510 is fixed on a stud of the battery box body 300 through a nut, and electricity can be conducted through the pole column hole 520, so that the battery supplies power to the load.

In one embodiment, referring to fig. 6 and 7, the battery heat sink further includes a handle 600 disposed on a surface of the battery case 300. The handle 600 is arranged on the surface of the battery box body 300, so that the battery box body 300 can be conveniently carried, and the use convenience is improved.

Specifically, the handle 600 is disposed on the surface of the battery case 300, for example, may be disposed on the side of the battery case 300, so as to facilitate the carrying of the battery case 300, and when the battery case 300 is disposed with the cover 800, the handle 600 may also be disposed on the cover 800. The number of the handles 600 is not unique, in this embodiment, the number of the handles 600 is two, the two handles 600 are respectively arranged on two opposite side surfaces of the battery box body 300, the carrying is labor-saving, the arrangement modes of the handles 600 are various, in this embodiment, the handles 600 can be fixed on the battery box body 300 in a screw fixing mode, the fixing effect is good, and the handles 600 can be completely detached as necessary to meet more requirements.

In an expandable manner, referring to fig. 6 and 7, the battery case 300 is further provided with a LOGO plate 700, the LOGO plate 700 can be disposed on a side surface of the battery case 300 or the case cover 800, so as to facilitate identification of a source or working parameters of the battery heat dissipation device or the battery, and the LOGO plate 700 can be made of nylon plastic, so that the use cost is low, and the battery case is durable. LOGO plate 700 can be fixed on the stud from the lower surface of battery case cover 800 by nuts and is not easy to drop.

The above battery heat dissipation device includes a first heat conduction plate 110, a second heat conduction plate 120, a heat pipe 200 and a battery case 300 for disposing a battery, wherein the first heat conduction plate 110 is disposed in the battery case 300, the second heat conduction plate 120 is disposed on the surface of the battery case 300, the heat absorption end of the heat pipe 200 is disposed on the first heat conduction plate 110, and the heat dissipation end of the heat pipe 200 is disposed on the second heat conduction plate 120. The battery can be laid to battery box 300, provide the protection for the battery, first heat-conducting plate 110 sets up in battery box 300, heat in battery box 300 can transmit on first heat-conducting plate 110, be provided with the heat absorption end of heat pipe 200 in the first heat-conducting plate 110, can absorb the heat transmission to the heat dissipation end of heat pipe 200, the heat of the heat dissipation end of heat pipe 200 can transmit on second heat-conducting plate 120, second heat-conducting plate 120 sets up in the surface of battery box 300, can distribute away the heat, thereby transmit outside battery box 300 and distribute away the heat with the heat in battery box 300, the temperature of the battery in battery box 300 has been reduced, need not make the battery stop work just can cool down it, it is convenient to use.

In one embodiment, a battery apparatus is provided, comprising a battery and a battery heat sink as described above. The battery sets up in battery box 300 of battery heat abstractor, according to the difference of battery box 300 volume, can hold the battery of different quantity, specifically can adjust according to actual demand.

In one embodiment, referring to fig. 8, the battery includes more than two cell layers 10 stacked in layers, and the first heat conducting plate 110 is disposed between two adjacent cell layers 10.

The installation mode of electric core is not unique in the battery, in this embodiment, the battery includes electric core layer 10 of the range upon range of setting more than two, electric core layer 10 includes more than two electric cores, each electric core is established ties, parallelly connected orderly combination, electric core layer 10 still includes first electric core support and second electric core support, first electric core support and second electric core support set up the upper and lower both sides at electric core layer 10 relatively, a position for fixing each electric core, the direction of the left and right sides of electric core layer 10 is the extending direction who sets up electric core. It is understood that, in other embodiments, the cells in the battery may be arranged in other manners as long as the implementation is considered by those skilled in the art.

The first heat conducting plate 110 is disposed between two adjacent cell layers 10, and can absorb heat generated by the two cell layers 10. The number of the first heat conduction plates 110 is not unique, and the first heat conduction plates 110 can be arranged in the gaps of each electric core layer 10, so that the heat transfer efficiency is high, and the cooling speed is higher. Or, the heat conducting plate 110 may be arranged according to the usage of the battery cell, for example, the first heat conducting plate 110 is arranged at the battery cell which is frequently used, and the first heat conducting plate 110 is arranged at the battery cell which is not used much less or not arranged, so as to save the usage cost, reduce the weight and volume of the battery box 300, and improve the usage portability.

In one embodiment, referring to fig. 8, the battery device further includes a separation plate 20, and the separation plate 20 is disposed between the first heat conducting plate 110 and the cell layer 10.

Specifically, since the first heat conducting plate 110 is generally made of a heat conducting metal, a separating plate 20 made of an insulating and heat absorbing material is required to be placed above and below the first heat conducting plate 110, and the separating plate 20 is disposed between the first heat conducting plate 110 and the cell layer 10, so as to perform the functions of absorbing heat, insulating, buffering, and the like. The type of the isolation plate 20 is not exclusive, and may be, for example, a silicon sheet, or other types of isolation plates 20, which are not exemplified herein. The shape and size of the spacer plate 20 is also not unique and generally conforms to the shape and size of the first conductive plate 110 for better functioning.

For a better understanding of the above embodiments, the following detailed description is given in conjunction with a specific embodiment. In one embodiment, the heat dissipation plate 410 is a heat dissipation box, the first heat conduction plate 110 is a heat dissipation aluminum alloy plate with a large area, and the second heat conduction plate 120 is a heat dissipation aluminum alloy plate with a small area. Referring to fig. 1 to 8, the battery heat dissipation device includes a battery case 300, a case cover 800, a heat dissipation case, a heat dissipation insert 420, a heat dissipation aluminum alloy plate, and a heat pipe 200. Embedding heat pipe 200 in heat dissipation aluminum alloy plate through the mode of moulding plastics, the heat dissipation aluminum alloy plate that the area is big is laid between the electric core layer 10 and the layer of battery, and the heat dissipation aluminum alloy plate that the area is little passes through the screw fixation on the heat dissipation box, can be with the inseparabler subsides of heat dissipation aluminum alloy plate that the area is little at heat dissipation box inner wall, increase area of contact is favorable to the heat conduction more on the heat dissipation box. The outer side of the heat dissipation box body is provided with a plurality of heat dissipation thorns 420 in an injection molding mode, the heat dissipation thorns 420 and the heat dissipation box body are integrated, and the material of the heat dissipation thorns 420 is the same as that of the heat dissipation aluminum alloy plate material.

The heat pipe 200 is a heat transfer element having a very high heat conductive performance, transfers heat by evaporation and condensation of liquid in the totally enclosed vacuum pipe, and performs a cooling effect similar to a refrigerator compressor by using a fluid principle such as capillary action. The heat exchanger composed of the heat pipes 200 has a series of advantages of high heat conductivity, excellent isothermal property, heat flux density variability, remote heat transfer, constant temperature property (the controllable heat pipes 200), thermal diode and thermal switch performance and the like, and has the advantages of high heat transfer efficiency, compact structure, small fluid resistance loss and the like. The heat absorption end of the heat pipe 200 is embedded in the heat dissipation aluminum alloy plate with a large area, the heat dissipation end of the heat pipe 200 is embedded in the heat dissipation aluminum alloy plate with a small area, when the battery is at a high temperature, the heat of the battery is firstly conducted to the aluminum alloy heat dissipation plate 410 with a large area in a heat conduction mode, the heat absorption end of the heat pipe 200 absorbs the heat and transmits the heat to the heat dissipation end of the heat pipe 200, the heat dissipation end of the heat pipe 200 conducts the heat to the aluminum alloy heat dissipation plate 410 with a small area, the aluminum alloy heat dissipation plate 410 with a small area conducts the heat to a heat dissipation box body with heat dissipation thorns 420, the heat dissipation aluminum alloy plate with a small area refers to two heat. When air flows on the heat-dissipating fins 420, the heat is taken away, thereby achieving the purpose of dissipating heat of the battery.

The cavity formed by the whole battery shell box body consists of three parts: battery box 300, battery box lid 800, heat dissipation box. There is a utmost point post board 510 (nylon plastics material) on the right side upper portion of battery box 300, and the mode embedding through moulding plastics has two utmost point post holes 520 on the utmost point post board 510, and the inboard of utmost point post hole 520, the outside all have the screw thread, and the positive pole, the negative pole of battery are connected with the screw to the inboard, and the positive pole, the negative pole of load are connected to the outside, and utmost point post board 510 passes through the nut to be fixed on the double-screw bolt of battery box 300. There is a LOGO board 700 (nylon plastics material) in the upper right corner of battery case lid 800, and LOGO board 700 passes through the nut and fixes on the double-screw bolt from battery case lid 800's lower surface. The heat dissipation box body is arranged on the left side of the battery box body 300, a plurality of heat dissipation thorns 420 are embedded on the outer surface of the heat dissipation box body, and the specific number is determined by design requirements. The shape of the heat sink 420 may be a long strip or any other shape, but not limited to this, the inner surface of the heat sink case is fixed with an aluminum alloy plate embedded in the heat sink end of the heat pipe 200 by screws. The heat dissipation box body is fixed on the left side face of the battery box body 300 through screws, and the battery box cover 800 is fixed on the upper surface of the battery box body 300 through screws, so that a closed cavity is formed, and batteries are placed in the cavity. Two handles 600 are mounted on the left and right sides of the battery case cover 800 by means of screws for easy transportation.

In this embodiment, the heat dissipation box body has 34 heat dissipation fins 420, and each heat dissipation fin 420 is made of an aluminum alloy material and is integrated with the heat dissipation box body by injection molding. The heat dissipation stabs 420 are cuboids with the width of 1.2mm, the height of 15mm and the length of 149mm, and the interval between every two heat dissipation stabs 420 is 4.8mm, so that the heat dissipation can be better performed in order to maximize the heat dissipation area and contact air. The size of the large-area heat dissipation aluminum alloy plate is designed according to the area of each layer of battery cell after being arranged in groups, the size of the large-area heat dissipation aluminum alloy plate is basically as large as the area of the battery cells after being arranged in groups, and the size of the small-area heat dissipation aluminum alloy plate is adjusted and designed according to the size of the heat dissipation box body.

The large-area heat dissipation aluminum alloy plate embedded into the heat absorption end of the heat dissipation pipe 200 is arranged between the upper layer of battery cell and the lower layer of battery cell, and the shape and size of the heat dissipation aluminum alloy plate are designed according to the size and shape of the upper layer of battery cell and the lower layer of battery cell when the battery cells are grouped. Since the aluminum alloy plate is made of conductive material, the isolating plate 20 made of insulating and heat absorbing material is required to be placed on and under the heat-dissipating aluminum alloy plate, and a silicon sheet (not shown in the figure) can be used, and the isolating plate 20 made of insulating and heat absorbing material can also be made of other materials, which is not exemplified here. The size and the shape of the silica gel sheet are consistent with those of the heat dissipation aluminum alloy plate with large area.

The above battery device includes a first heat-conducting plate 110, a second heat-conducting plate 120, a heat pipe 200 and a battery case 300 for disposing a battery, wherein the first heat-conducting plate 110 is disposed in the battery case 300, the second heat-conducting plate 120 is disposed on the surface of the battery case 300, the heat absorbing end of the heat pipe 200 is disposed on the first heat-conducting plate 110, and the heat dissipating end of the heat pipe 200 is disposed on the second heat-conducting plate 120. The battery can be laid to battery box 300, provide the protection for the battery, first heat-conducting plate 110 sets up in battery box 300, heat in battery box 300 can transmit on first heat-conducting plate 110, be provided with the heat absorption end of heat pipe 200 in the first heat-conducting plate 110, can absorb the heat transmission to the heat dissipation end of heat pipe 200, the heat of the heat dissipation end of heat pipe 200 can transmit on second heat-conducting plate 120, second heat-conducting plate 120 sets up in the surface of battery box 300, can distribute away the heat, thereby transmit outside battery box 300 and distribute away the heat with the heat in battery box 300, the temperature of the battery in battery box 300 has been reduced, need not make the battery stop work just can cool down it, it is convenient to use.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The battery heat dissipation device is characterized by comprising a first heat conduction plate, a second heat conduction plate, a heat pipe and a battery box body used for arranging a battery, wherein the first heat conduction plate is arranged in the battery box body, the second heat conduction plate is arranged on the surface of the battery box body, the heat absorption end of the heat pipe is arranged on the first heat conduction plate, and the heat dissipation end of the heat pipe is arranged on the second heat conduction plate.

2. The battery heat sink according to claim 1, further comprising a heat sink plate disposed on a side of the second heat conducting plate away from the battery case.

3. The battery heat sink of claim 2, wherein the size of the heat sink is greater than or equal to the size of the second heat conducting plate.

4. The battery heat sink according to claim 2, further comprising heat sink fins disposed on a side of the heat sink plate away from the second heat conducting plate.

5. The battery heat sink according to claim 4, wherein the number of the heat dissipating pins is two or more.

6. The battery heat sink according to claim 1, further comprising a post plate disposed in the battery case, wherein a post hole for connecting the battery is embedded in the post plate.

7. The battery heat sink as recited in claim 1, further comprising a handle disposed on a surface of the battery case.

8. A battery device comprising a battery and the battery heat sink of any of claims 1-7.

9. The battery apparatus of claim 8, wherein the battery includes more than two stacked core layers, the first thermally conductive plate being disposed between two adjacent core layers.

10. The battery apparatus of claim 9, further comprising a spacer plate disposed between the first thermally conductive plate and the core layer.

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