CN220400686U - Air cooling module, air cooling battery pack and power utilization system - Google Patents

Abstract

The utility model discloses an air cooling module, an air cooling battery pack and an electric system. In the air cooling module, the local high temperature of the battery cell can be uniformly distributed on the side surface of the whole inflation plate in an evaporation and condensation mode in the refrigerant of the inflation pipeline, so that the effect of uniform temperature is achieved, and heat accumulation at the local position of the battery cell is avoided; the heat dissipation piece is arranged on the inflation plate, so that heat after temperature equalization can be dissipated, and the purpose of enhancing the heat dissipation effect is achieved.

Description

Air cooling module, air cooling battery pack and power utilization system

Technical Field

The utility model relates to the technical field of heat dissipation equipment, in particular to an air cooling module. In addition, the utility model also relates to an air-cooled battery pack and an electric system comprising the air-cooled module.

Background

The container type energy storage system stores electric energy through the battery module, wherein the battery module mainly comprises battery cells in series-parallel connection, and the battery cells are required to be at proper temperature in order to ensure the safety of the energy storage system.

At present, the electric core is radiated in the market in an air cooling radiating mode, and cold air is adopted to radiate through the surface of the electric core. The mode of air-cooled heat dissipation needs to separate adjacent battery cells by using clamping plates, cold air directly flows through the surfaces of the battery cells, the heat dissipation area is small, the heat dissipation efficiency is low, and the heat dissipation effect is poor. In addition, the use of splint can lead to the size of module great, occupies the space of container and the electric core heat in the middle of the module can pile up, and the temperature of whole module is unbalanced, and the radiating effect is not good.

In summary, how to enhance the heat dissipation effect of the module is a problem to be solved by those skilled in the art.

Disclosure of Invention

Therefore, the present utility model is directed to an air cooling module, in which the local height Wen Junbu of the module can be located at the side of the module by evaporating and condensing the refrigerant in the expansion plate, and the heat is dissipated outwards by the heat dissipation member, so that the heat dissipation area is increased and the heat dissipation effect is enhanced by using the heat dissipation member. Another object of the present utility model is to provide an air-cooled battery pack and an electric system including the air-cooled module.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an air cooling module, includes the electricity core that blows board and a plurality of are adjacent to be set up, the board that blows sets up in the adjacent lateral part that sets up of a plurality of the electricity core, and with all the lateral part of electricity core sets up relatively, be equipped with the inflation pipeline of encapsulation refrigerant in the cavity of blowing board, just install the radiating piece on the board that blows.

Preferably, the heat dissipation piece comprises a plurality of heat dissipation fins, the heat dissipation fins are all arranged on the inflation plate, the heat dissipation fins are respectively positioned on two sides of the inflation pipeline, and gaps are reserved between the adjacent heat dissipation fins.

Preferably, the inflation pipeline is a pipeline with a net structure and is positioned in the middle of the inflation plate.

Preferably, the inflation plate comprises a main body part and an edge part positioned at the edge of the main body part, a glue filling gap for accommodating heat conduction structural glue is formed between the main body part and a plurality of adjacent electric cores, and the edge part is bent relative to the main body part and is bent towards the electric cores.

Preferably, the inflation board includes being close to the first board of electric core and keeping away from the second board of electric core, first board with the face laminating setting of second board, the second board has encapsulation the inflation pipeline of refrigerant.

Preferably, an end plate is arranged on the end face of the inflation plate, the inflation plate and the end plate enclose a mounting cavity of the battery cell, and the mounting cavity is connected with the battery cell.

An air-cooled battery pack comprising the air-cooled module of any one of the above; still include back plate, box and front bezel, the back plate with the front bezel all with box fixed connection forms to place the mounting box of forced air cooling module, forced air cooling module set up in the mounting box.

Preferably, a plurality of connecting pieces are arranged in the box body and used for fixedly connecting the mounting box with the air cooling module.

Preferably, an air inlet for introducing cold air is formed in the rear plate, and an exhaust fan is arranged between the front plate and the air cooling module.

An electricity consumption system comprising an electricity consumption device, a protection device and the air-cooled battery pack.

The air cooling module comprises an expansion plate and a plurality of adjacent electric cores, wherein the expansion plate is arranged on the side part of the electric cores, the expansion plate and the electric cores are oppositely arranged, an expansion pipeline for packaging a refrigerant is arranged in a cavity of the expansion plate, and local high temperature of the electric cores can be uniformly distributed on the side surface of the whole expansion plate in a mode of evaporating and condensing the refrigerant in the expansion pipeline, so that the effect of uniform temperature is achieved, and heat accumulation at the local position of the electric cores is avoided; the heat dissipation piece is arranged on the inflation plate, so that heat after temperature equalization can be dissipated, and the purpose of enhancing the heat dissipation effect is achieved.

In further scheme, have the clearance between the main part of inflation board and the electric core to enclose into the encapsulating clearance of heat conduction structural adhesive, make between inflation board and the electric core produce the clearance in order to be used for filling heat conduction glue, through heat conduction glue with the heat of electric core easier, more convenient transfer to on the inflation board.

The application also provides an air-cooled battery pack comprising the air-cooled module and an electricity utilization system comprising the air-cooled battery pack, and the air-cooled module is arranged, so that an enhancement effect can be provided for heat dissipation of the battery cell.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of an air cooling module provided by the present utility model;

FIG. 2 is a schematic view of the structure of an inflatable panel according to the present utility model;

FIG. 3 is a front view of an inflatable panel provided by the present utility model;

FIG. 4 is a side view of an inflatable panel provided by the present utility model;

FIG. 5 is a schematic diagram of a cold air path provided by the present utility model;

fig. 6 is an exploded view of a module according to the present utility model.

In fig. 1 to 6, reference numerals include:

the battery pack comprises an inflation plate 1, a battery core 2, an end plate 3, an output electrode seat 4, a rear plate 5, a box body 6, a front plate 7 and an exhaust fan 8;

the device comprises a main body part 10, an edge part 11, an inflation pipeline 12, a connecting plate 13, a heat radiating piece 14, a glue filling gap 15, a first plate 16 and a second plate 17;

an air inlet 51 and a connecting piece 61.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The core of the utility model is to provide an air cooling module which comprises an expansion plate 1 and a battery cell 2, wherein the local high temperature of the battery cell 2 can be uniformly distributed on the side surface of the expansion plate 1 in a mode of evaporating and condensing a refrigerant in the expansion plate 1 so as to realize the effect of uniform temperature; by installing the heat radiating member 14 on the inflation plate 1, the heat after temperature equalization is radiated to enhance the heat radiating effect.

The utility model further provides an air-cooled battery pack comprising the air-cooled module. It is yet another object of the present utility model to provide an electrical system comprising an air-cooled battery pack as described above.

The air cooling module provided by the utility model comprises the inflation plate 1 and the electric cores 2, wherein a plurality of electric cores 2 are adjacently arranged to form one or more groups of electric core groups, and the inflation plate 1 can act on one or more groups of electric core groups to realize the effect of uniform temperature.

The inflation plate 1 is arranged opposite to the side parts of all the battery cells 2, please refer to fig. 1, and the inflation plate 1 is arranged on the front side and the rear side of the battery cells 2 so as to uniformly distribute the heat of the battery cells 2 on the surfaces in time, thereby avoiding the influence of local concentration of the heat and the heat dissipation effect.

The expansion plate 1 can be formed by compounding a plurality of plates, and is provided with a cavity with the inside in a vacuum state, the cavity of the expansion plate 1 is internally packaged with a refrigerant, and the refrigerant serving as a working medium can absorb heat generated by the battery core 2.

The cavity of the expansion plate 1 is internally provided with an expansion pipeline 12 for packaging the refrigerant, and specifically, the expansion pipeline 12 is a closed pipeline, the local high temperature of the battery cell 2 is further transferred to the expansion plate 1 in a refrigerant internal evaporation and condensation mode, heat can be distributed on the side surface of the whole expansion plate 1, the effect of uniform temperature is achieved, and the local accumulation of heat is avoided.

Alternatively, the expansion pipeline 12 may be an S-shaped pipeline, a mesh pipeline, or a loop pipeline, so as to improve the heat dissipation effect at the same temperature. Alternatively, the inflation line 12 may be of other shapes.

Alternatively, the cavity on the inflation board 1 for forming the inflation line 12 may be the cavity of the entire inflation board 1, or may be a partial cavity of the inflation board 1.

The radiator 14 is arranged on the inflation plate 1 to further radiate the local high temperature of the battery core 2, so that the radiating area is increased, and the radiating effect of the air cooling module is improved.

The heat sink 14 is preferably aluminum, but may be other metal or composite metal materials with good heat conductivity.

Alternatively, the heat sink 14 may be a heat sink or a heat sink pipe.

Alternatively, the heat dissipation elements 14 may be provided in plural groups, and the positions provided on the inflation sheet 1 in particular are not limited thereto.

The utility model discloses an air cooling module, which comprises an expansion plate 1 and a plurality of adjacent electric cores 2, wherein the expansion plate 1 is arranged at the side part of the electric cores 2, and the two electric cores are arranged oppositely, an expansion pipeline 12 for packaging a refrigerant is arranged in a cavity of the expansion plate 1, and local high temperature of the electric cores 2 can be uniformly distributed on the side surface of the whole expansion plate 1 in a mode of evaporating and condensing the refrigerant in the expansion pipeline 12, so that the effect of uniform temperature is achieved, and heat accumulation at the local position of the electric cores 2 is avoided; the heat dissipation piece 14 is arranged on the inflation plate 1, so that heat after temperature equalization can be dissipated, and the purpose of enhancing the heat dissipation effect of the air cooling module is achieved.

On the basis of the above embodiment, the heat dissipation element 14 includes a plurality of heat dissipation fins, each of which is disposed on the expansion plate 1, the heat dissipation fins are respectively located at two sides of the expansion pipeline 12, and gaps are formed between the adjacent heat dissipation fins.

The heat sink is one kind of heat sink in electric appliance and is made of aluminium alloy, brass or bronze into sheet or sheet.

In this embodiment, preferably, a plurality of heat dissipation fins are stacked on two sides of the upper portion and the lower portion of the inflation pipeline 12 in a scale shape, referring to fig. 2, the refrigerant in the inflation pipeline 12 distributes the local high temperature of the battery core 2 uniformly on the side surface of the inflation plate 1, and then further dissipates heat through a plurality of heat dissipation fins, so as to enhance the heat dissipation effect.

Gaps are reserved between adjacent cooling fins, so that the cooling area is increased, heat dissipation is accelerated, and the cooling effect of the air cooling module is improved.

On the basis of any of the above embodiments, the inflation pipeline 12 is a net-shaped pipeline and is located in the middle of the inflation plate 1.

The inflation pipeline 12 is arranged in the middle of the inflation plate 1, so that the local high temperature of the battery cell 2 can be uniformly dispersed, and the high temperature of the battery cell 2 can be uniformly dispersed by combining the use of the radiating fins on the two sides of the inflation pipeline 12, so that the radiating effect is enhanced.

In the present embodiment, the inflation pipeline 12 has a mesh structure, so that local high temperature can be fully transferred to the refrigerant in the pipeline, and heat can be uniformly dispersed to achieve the temperature equalizing effect. Alternatively, the mesh structure of inflation line 12 may include a plurality of mesh types, a straight mesh structure, or other mesh structures having a curved structure.

On the basis of any of the above embodiments, please refer to fig. 3, the inflation plate 1 includes a main body 10 and an edge 11 located at an edge of the main body 10, a glue filling gap 15 for accommodating the heat-conducting structural glue is provided between the main body 10 and the adjacent plurality of electrical cores 2, and the edge 11 is bent with respect to the main body 10 and is bent towards the electrical cores 2.

In this embodiment, the inflation board 1 includes a main body portion 10 and an edge portion 11, the main body portion 10 has a cavity capable of forming an inflation pipeline 12, the edge portion 11 is bent with respect to the main body portion 10, and the bending direction faces the electrical core 2, and a glue filling gap 15 is formed between the edge portion 11 and the electrical core 2, and can be used for filling heat conduction structural glue. The edge portion 11 is provided to fully utilize the space of the expansion plate 1 to enhance heat transfer and heat dissipation effects.

The heat conduction structural adhesive is a heat dissipation material and mainly comprises a resin matrix, organic silicon and a heat conduction material, plays roles of bonding and heat conduction, can transfer heat of the battery cell 2 to the inflation plate 1, and further evenly distributes the heat of the battery cell 2 on the side surface of the inflation plate 1 by utilizing the inflation pipeline 12 so as to achieve the effect of uniform temperature.

Alternatively, the filling of the thermally conductive structural adhesive may be by manual filling or mechanical filling.

On the basis of any of the above embodiments, referring to fig. 4, the inflation plate 1 includes a first plate 16 close to the battery cell 2 and a second plate 17 far from the battery cell 2, the first plate 16 and the second plate 17 are attached to each other, and the second plate 17 has an inflation pipeline 12 for encapsulating a refrigerant.

The inflation plate 1 comprises a first plate 16 and a second plate 17 which are arranged in a fitting way, and optionally, the first plate 16 is a plane plate close to the battery cell 2; the second plate 17 is a convex plate far away from the battery core 2, and the inner cavity of the convex plate is filled with refrigerant to form the inflation pipeline 12.

In this embodiment, the connection between the second plate 17 and the first plate 16 is preferably welding, and the two plates are combined into an integral inflation plate 1.

Alternatively, both the first plate 16 and the second plate 17 may be aluminum plates or aluminum alloy composite plates.

On the basis of any embodiment, the end face of the inflation plate 1 is provided with the end plate 3, the inflation plate 1 and the end plate 3 enclose a mounting cavity of the battery cell 2, and the mounting cavity is connected with the battery cell 2, so that a module is formed.

Referring to fig. 6, fig. 6 is an exploded view of the module. The whole inflation plate 1 can be used as a side plate of a group of adjacent battery cells, and the short side of the first plate 16 is bent towards the direction approaching the battery cells 2 to form a connecting plate 13. Referring to fig. 2, the short side direction of the first plate 16 is the height direction of the blow-up plate 1 in fig. 2.

The end plate 3 is arranged on the end face direction of the inflation plate 1, and the end plate 3 and the inflation plate 1 can be connected through the connecting plate 13 to form an installation cavity of the battery cell 2.

The first plate 16 of the inflation plate 1 is directly used as a side plate, an external packing belt or a side plate is not needed, materials are saved, and processing cost is reduced.

The connection between the end plate 3 and the connecting plate 13 is preferably welded, but may be a bolt connection or other fixing means.

Wherein, can place multiunit electric core 2 in the installation case, multiunit electric core 2 can be adjacent to set up and form electric core group, or multiunit electric core 2 adjacent to set up and place in the installation case.

The local high temperature of the plurality of groups of electric cores 2 can be dispersed through the inflation plate 1 arranged on the side part of the electric cores 2, and heat insulation pieces are not needed to be added between the adjacent electric cores 2, so that the installation space is saved, the materials are saved, and the cost is reduced.

Further, an output electrode base 4 is connected to the end plate 3 and is used for fixing the output electrodes of the multiple groups of battery cells 2. Grooves are correspondingly processed on the end plate 3 and are used for being connected with the output electrode base 4, and the output electrodes of the plurality of groups of battery cores 2 are fixed on the output electrode base 4.

The end plate 3 is detachably connected with the output electrode seat 4, so that the device is convenient to detach and install. When the air-cooled module is installed, firstly, the end plate 3 and the connecting plate 13 are welded and then are surrounded to form an installation cavity of the battery cell 2, then the battery cell 2 is installed in the installation cavity, the output electrode base 4 is further fixed on the end plate 3, and finally, the battery cell connecting system is installed at the top of the battery cell 2 and used as a top cover of the installation cavity, so that the whole air-cooled module is formed.

The utility model also provides an air-cooled battery pack, which comprises the air-cooled module according to any embodiment, and further comprises a rear plate 5, a box body 6 and a front plate 7, wherein the rear plate 5 and the front plate 7 are fixedly connected with the box body 6 to form a mounting box for placing the air-cooled module, and the air-cooled module is arranged in the mounting box.

Referring to fig. 1, the front plate 7 and the rear plate 5 are disposed on two sides of the box 6, and the front plate 7 and the rear plate 5 are connected with the box 6 to form an installation box for placing an air cooling module, i.e. the air cooling module in any of the embodiments.

In this embodiment, the front plate 7 and the rear plate 5 are preferably detachably connected to the case 6, so that the disassembly, assembly and maintenance are facilitated.

Referring to fig. 1, specifically, two sides of the back plate 5 may be bent towards the inside of the case 6 to form a bending portion, and fastening members are installed on the bending portion and the connecting hole of the case 6 in the front-back direction of fig. 1 to complete the fixation of the case 6 and the back plate 5; the two sides of the back plate 7 can also be bent towards the inside of the box body 6 to form a bending part, and the fastening piece passes through the connecting hole on the bending part of the back plate 7 and the connecting hole on the box body 6 to fix the front plate 7, the back plate 5 and the box body 6.

Alternatively, the front plate 7 and the rear plate 5 may be fixedly connected to the case 6 from other directions in fig. 1, such as a left-right direction.

On the basis of any of the above embodiments, a plurality of connectors 61 are provided in the box 6 for fixedly connecting the mounting box with the air cooling module.

The connecting member 61 is preferably a bolt and nut, and may be a fastener such as a screw or a pin. Referring to fig. 1, the connection piece 61 is provided to fixedly connect the mounting box with the module to form an air-cooled battery pack, which has the same technical effect as the air-cooled module and can uniformly disperse the high temperature generated by the battery pack.

In the present embodiment, the connection member 61 is preferably a bolt and a nut. Specifically, on the basis of fixing the front plate 7, the rear plate 5 and the box 6 to form the box 6, bolts sequentially penetrate through the rear plate 5 and the end plate 3 in the up-down direction of fig. 1, and the end plate 3 and the box 6 can be fixed under the action of nuts.

Since the side plates of the air cooling module, i.e. the expansion plate 1, are already fixed to the end plate 3, the use of the connecting piece 61 can fixedly connect the mounting box to the air cooling module.

On the basis of any of the above embodiments, the rear plate 5 is provided with an air inlet 51 for introducing cold air, and an exhaust fan 8 is arranged between the front plate 7 and the module.

Cold air is introduced into the air cooling module through the air inlet 51, and the cold air can be introduced through the air supply mechanism, so that the heat dissipation of the air cooling module is quickened under the action of the cold air, and the heat dissipation effect of the heat dissipation piece 14 is further enhanced.

The air inlet 51 is a plurality of through holes formed in the rear plate 5, and the through holes can be waist-shaped, square or round.

Referring to fig. 5, fig. 5 is a cold air path diagram. The exhaust fan 8 is a negative pressure fan, namely an exhaust fan, and utilizes convection of air to change pressure and cool down so as to further radiate heat of the air cooling module.

The exhaust fan 8 is arranged between the front plate 7 and the air cooling module, and forms a cold air circulation path through the cooperation of the air inlet 51 and the exhaust fan 8, so that the heat dissipation area is increased, and the heat dissipation effect is improved.

The above has completed the whole structural description of the air-cooled battery pack, and the air-cooling process of the air-cooled battery pack is described in detail below.

Firstly, a glue filling gap 15 for containing heat-conducting structural glue is formed between a main body part 10 of the inflation plate 1 and the battery cell 2, and heat of the battery cell 2 is transferred to the inflation plate 1 through the heat-conducting structural glue; secondly, the refrigerant is pre-packaged in the cavity of the expansion plate 1 to form an expansion pipeline 12, and the local high temperature of the battery core 2 is uniformly distributed on the side surface of the expansion plate 1 in an evaporation and condensation mode through the refrigerant in the expansion pipeline 12, so that the effect of uniform temperature is achieved; thirdly, the radiating pieces 14 are arranged on the two sides of the inflation pipeline 12, and through the use of the radiating pieces 14, the radiating area is increased, heat is further radiated, and the radiating effect is enhanced; finally, cold air is introduced into the air-cooled battery pack through the air inlet 51, so that the heat dissipation effect of the heat dissipation part 14 is further enhanced, the replaced hot air is sucked out through the use of the exhaust fan 8, heat is rapidly discharged out of the air-cooled battery pack, and the use safety and stability of the air-cooled battery pack are ensured.

In addition to the above-mentioned air-cooled battery pack, the present utility model further provides an electricity consumption system including the air-cooled battery pack disclosed in the above-mentioned embodiment, where the electricity consumption system further includes an electricity consumption device, a protection device, and the like, and the structure of each other portion is referred to the prior art and will not be repeated herein.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The air cooling module, the air cooling battery pack and the power utilization system provided by the utility model are described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The utility model provides an air cooling module, its characterized in that includes inflation board (1) and a plurality of adjacent electric core (2) that set up, inflation board (1) set up in the lateral part of a plurality of adjacent electric core (2) and with all the lateral part of electric core (2) sets up relatively, be equipped with inflation pipeline (12) of encapsulation refrigerant in the cavity of inflation board (1), just install radiator (14) on inflation board (1).

2. An air cooling module according to claim 1, wherein the heat dissipation element (14) comprises a plurality of heat dissipation fins, the plurality of heat dissipation fins are all arranged on the inflation plate (1), the heat dissipation fins are respectively positioned at two sides of the inflation pipeline (12), and gaps are reserved between the adjacent heat dissipation fins.

3. An air cooling module according to claim 2, characterized in that the inflation line (12) is a net structured line and is located in the middle of the inflation plate (1).

4. An air cooling module according to claim 1, wherein the air-blowing plate (1) comprises a main body part (10) and an edge part (11) positioned at the edge of the main body part (10), a glue filling gap (15) for containing heat conduction structural glue is arranged between the main body part (10) and a plurality of adjacent electric cells (2), and the edge part (11) is bent relative to the main body part (10) and is bent towards the direction of the electric cells (2).

5. An air cooling module according to claim 4, wherein the blowing plate (1) comprises a first plate (16) close to the battery cell (2) and a second plate (17) far away from the battery cell (2), the first plate (16) is attached to the plate surface of the second plate (17), and the second plate (17) is provided with the blowing pipeline (12) for packaging the refrigerant.

6. An air cooling module according to any one of claims 1 to 5, characterized in that an end face of the expansion plate (1) is provided with an end plate (3), the expansion plate (1) and the end plate (3) enclose a mounting chamber, and the mounting chamber is connected with the electric core (2).

7. An air-cooled battery pack, comprising the air-cooling module of any one of claims 1 to 6; still include back plate (5), box (6) and front bezel (7), back plate (5) with front bezel (7) all with box (6) fixed connection forms the setting box of placing the forced air cooling module, the forced air cooling module set up in the setting box.

8. The air-cooled battery pack according to claim 7, wherein a plurality of connectors (61) are provided in the case (6) for fixedly connecting the mounting case with the air-cooling module.

9. The air-cooled battery pack according to claim 8, wherein the rear plate (5) is provided with an air inlet (51) for introducing cold air, and an exhaust fan (8) is arranged between the front plate (7) and the air cooling module.

10. An electrical power consumption system comprising an electrical power consumption device, a protection device, and an air-cooled battery pack according to any one of claims 7 to 9.