CN218525635U - Combined cooling system device on energy storage power supply system module - Google Patents

Abstract

The utility model provides a combination formula cooling system device on energy storage electrical power generating system module, include: the box, cooling device, the fan, and the battery module, two battery modules are installed in the inside of box along the length direction of box, and be located the both sides of box respectively, cooling device is located between two battery modules, and sealing connection between cooling device and two battery modules and the box, form the annular water conservancy diversion cavity of a perpendicular to battery module, the fan is installed on the outer wall of box one end, and the fan communicates with each other with the water conservancy diversion cavity, the both sides of box are equipped with the draught hole, under the drive of fan, cold wind gets into the inside of box from the draught hole, discharge from the fan behind battery module to water conservancy diversion cavity. The utility model discloses can improve the heat exchange efficiency of the mobility of the inside air of energy storage power module, radiating homogeneity and electric core large tracts of land.

Description

Combined cooling system device on energy storage power supply system module

Technical Field

The utility model belongs to the technical field of the battery module heat dissipation technique and specifically relates to a combination formula cooling system device on energy storage electrical power generating system module is related to.

Background

In recent years, with the rapid development of the energy storage industry, energy storage power supply system modules (batteries) are more and more widely applied. The energy storage power supply system module is composed of a plurality of battery cores and assembled in a sealed battery cluster space, certain temperature can be generated by the battery cores in the charging and discharging process, and the temperature can change along with the working condition.

However, the requirement of the energy storage power supply system module on the uniformity of the ambient temperature is extremely high, and it is understood that after the temperature difference of the power supply system module exceeds the preset bearing range, the service life of the energy storage power supply system module is shortened by 5% every time the temperature difference of the power supply system module is increased by 1 ℃, so that the temperature has a great influence on the service life of the power supply system module.

However, in practical application, because the power system module is assembled in a closed space, and the heat inside the power system module is difficult to be discharged to the outside, the problem of poor heat dissipation performance exists, and moreover, when the power system module works, the temperature of each area is different, the conditions of poor consistency, non-uniformity and the like of the NTC collection temperature of the power system module per se exist, and therefore, it is difficult to adopt other measures to effectively dissipate the heat of the power system module.

Therefore, it is necessary to provide a technical solution for dissipating heat of the power system module and ensuring the heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combination formula cooling system device in energy storage electrical power generating system module to it is poor to solve current electrical power generating system module heat dissipation, the unsatisfactory problem of radiating effect.

The utility model adopts the technical scheme as follows: the cooling device is arranged between the two battery modules, the cooling device is hermetically connected with the two battery modules and the box body to form an annular flow guide cavity perpendicular to the battery modules, the fan is arranged on the outer wall of one end of the box body and communicated with the flow guide cavity, and two sides of the box body are provided with ventilation holes.

The low-voltage wire harness assembly is installed on the outer wall of the same end of the box body as the fan, one end of the low-voltage wire harness assembly is connected with the battery module, the other end of the low-voltage wire harness assembly is connected with the low-voltage electrical connector, and the battery management unit is installed outside the low-voltage electrical connector.

Further, the box includes casing and lower tray assembly, go up the casing and install the top of lower tray assembly, and with form a space between the lower tray assembly, the battery module is installed the inside in space.

Furthermore, the cooling device, the battery module and the box body are hermetically connected through plugging foam to form the annular flow guide cavity.

Further, the battery module includes a plurality of electric core that sets up side by side, and per two the interval sets up between the electric core to form air inlet channel in interval department.

Furthermore, an air outlet is formed in the outer wall of one end, provided with the fan, of the lower tray assembly, an air inlet is formed in the inner wall of one end, provided with the fan, of the lower tray assembly, and the air outlet is communicated with the flow guide cavity and corresponds to the air inlet; the fan is installed in the air outlet.

Furthermore, the ventilation holes are strip-shaped and arranged on the wall surfaces of two sides of the lower tray assembly, and the areas of the ventilation holes on the same wall surface are sequentially reduced towards the direction of the fan.

Furthermore, the positions of the ventilation holes correspond to the positions of the air inlet channels one by one.

The utility model has the advantages that:

in the application, the suction force is generated in the flow guide cavity through the work of the fan, so that the outside air can enter the air inlet channel of the battery module along the ventilating hole, then passes through the gap between the two battery modules and finally enters the flow guide cavity to be discharged out through the fan, the air exchange between the power supply system module and the outside is realized, and the heat dissipation is realized; and wherein, inlet air channel is located between two electric cores of battery module, can increase the area of contact of electric core and air, thereby realize the large tracts of land heat dissipation of electric core, and improve the radiating efficiency, and simultaneously, water conservancy diversion and the shutoff of rib through the water conservancy diversion aerofoil, can let the fan at the during operation, air flow rate is even, and after making outside air enter into the clearance between the battery module along inlet air channel, discharge out along the water conservancy diversion cavity as far as possible, thereby can guarantee the radiating effect, and make the difference in temperature unanimous in each region in the electrical power generating system module, in order to guarantee the life of electrical power generating system module.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is an exploded view of the overall structure of an embodiment of the present invention;

fig. 2 is an internal cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a battery module according to an embodiment of the present invention installed in a case;

fig. 4 is a schematic structural view of an embodiment of the present invention in which the air duct plate is not mounted on the box body;

fig. 5 is a schematic connection diagram of a fan, a guide air plate, an air duct plate and plugging foam according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating an installation of a fan according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an air duct plate and a plugging foam according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the air duct plate and the plugging foam according to an embodiment of the present invention after being connected;

fig. 9 is a schematic structural view of a side wall of the box body for mounting the fan according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a wind deflector according to an embodiment of the present invention;

fig. 11 is a schematic structural view of another view angle of the air deflector according to an embodiment of the present invention;

fig. 12 is a schematic view illustrating a connection between a guide plate and a cross member according to an embodiment of the present invention;

fig. 13 is a schematic structural view of an air duct plate mounted on a box body according to an embodiment of the present invention;

fig. 14 is a schematic view illustrating a connection between a guide air plate and an air duct plate according to an embodiment of the present invention;

fig. 15 is a schematic view illustrating a connection between an air duct plate and a cross member according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of a ventilation hole according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a ventilation hole according to another embodiment of the present invention;

fig. 18 is a schematic view illustrating the flow of air during the exhaust of air from the box according to an embodiment of the present invention.

Reference is made to the accompanying drawings in which: 1. a box body; 11. a ventilation hole; 12. an air outlet; 13. a cross beam; 14. connecting holes; 15. a handle; 16. a first mounting hole; 17. an upper housing; 18. a lower tray assembly; 20. a cooling device; 2. an air duct plate; 21. a connecting plate; 3. a battery module; 31. an air inlet channel; 4. a fan; 5. plugging foam; 6. a guide air plate; 61. an air inlet; 62. a second mounting hole; 7. fastening a bolt; 8. a rib; 81. a clamping hole; 9. sealing the foam; 10. binding; 30. a low voltage harness assembly; 40. A low voltage electrical connector; 50. a battery management unit.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.

Referring to fig. 1-2, the present application provides a combined cooling system apparatus on an energy storage power system module, comprising: box 1, cooling device 20, fan 4, and battery module 3, the inside at box 1 is installed along box 1's length direction to two battery modules 3, and be located box 1's both sides respectively, cooling device 20 is located between two battery modules 3, and sealing connection between cooling device 20 and two battery modules 3 and the box 1, form the annular water conservancy diversion cavity of a perpendicular to battery module 3, fan 4 installs on the outer wall of box 1 one end, and fan 4 communicates with each other with the water conservancy diversion cavity, box 1's both sides are equipped with draught hole 11, under the drive of fan 4, cold wind gets into box 1's inside from draught hole 11, discharge from fan 4 behind battery module 3 to the water conservancy diversion cavity.

Further, the air conditioner further comprises a low-voltage wiring harness assembly 30, a low-voltage electrical connector 40 and a battery management unit 50, wherein the low-voltage electrical connector 40 is installed on the outer wall of the same end of the box body 1 as the fan 4, one end of the low-voltage wiring harness assembly 30 is connected with the battery module 3, the other end of the low-voltage electrical connector 40 is connected, and the battery management unit 50 is installed outside the low-voltage electrical connector 40.

Referring to fig. 2-5 and 13, the cooling system device 20 includes a connecting plate 21, an air duct plate 2, a guide air plate 6, ribs 8, and a cross beam 13;

the two ribs 8 are arranged on the bottom surface of the box body 1 in parallel at intervals and are parallel to the length direction of the box body 1, two ends of each rib 8 extend to two sides of the box body 1 respectively, then each rib 8 is provided with a battery module 3, specifically, the ribs 8 are provided with a plurality of clamping holes 81 for mounting screws, the battery modules 3 are stably mounted on the upper end surfaces of the ribs 8 through the screws, and meanwhile, the space below the battery modules 3 can be plugged through the ribs 8 so as to limit the air flow direction; after the battery modules 3 are installed, a gap is formed between the two battery modules 3 and is located between the two ribs 8, meanwhile, a plurality of air inlet channels 31 are arranged in the battery modules 3 in parallel, specifically, each battery module 3 comprises a plurality of electric cores arranged in parallel, and every two electric cores are installed at intervals, so that the air inlet channels 31 are formed in the middle of the two electric cores, and then a plurality of ventilation holes 11 are formed in the front wall surface and the rear wall surface of the box body 1, so that each ventilation hole 11 corresponds to one air inlet channel 31;

and water conservancy diversion aerofoil 6 is installed on a lateral wall of box 1 to be located the inside of box 1, and surround between the wall of water conservancy diversion aerofoil 6 and box 1 and form the water conservancy diversion cavity, specific, the connected mode of water conservancy diversion aerofoil is: a plurality of first mounting holes 16 (see fig. 9) are formed in the side wall of the box body 1, then a plurality of second mounting holes 62 (see fig. 11) are formed in both sides of the guide wind plate 6, the first mounting holes 16 correspond to the second mounting holes 62 one by one, and then bolts 7 are mounted in the first mounting holes 16 and the second mounting holes 62, so that the guide wind plate 6 is mounted on the box body 1; the fan 4 is arranged on the outer side wall of the box body 1, and a suction port of the fan 4 is correspondingly communicated with the flow guide cavity, so that suction can be generated at the flow guide cavity during working; meanwhile, an air inlet 61 communicated with the flow guide cavity is formed in one side, away from the fan 4, of the flow guide air plate 6, and the air inlet 61 faces to a gap between the battery modules 3 so that the suction force of the fan 4 is applied to the inside of the box body 1 through the air inlet 61;

in this embodiment, the air duct plate 2 is a bent structure, one end of the air duct plate is fixed to the upper end of the air guide plate 6, the other end of the air duct plate is fixed to the bottom surface of the box body 1, and the air duct plate 2 is located in the gap between the two battery modules 3, so as to block the air in the gap and guide the air.

In the application, the fan 4 works to generate suction in the flow guide cavity, so that outside air can enter the air inlet channel 31 of the battery modules 3 along the ventilating holes 11, then pass through a gap between the two battery modules 3, finally enter the flow guide cavity and is discharged out through the fan 4, and the power supply system module and the outside are subjected to air conversion, so that heat dissipation is realized; and wherein, air inlet channel 31 is located between two electric cores of battery module 3, can increase the area of contact of electric core and air, thereby realize the large tracts of land heat dissipation of electric core, and improve the radiating efficiency, simultaneously, through the shutoff of rib 8 to battery module 3 below space, and carry out the shutoff to the clearance between two battery modules 3 through water conservancy diversion aerofoil 6, play the water conservancy diversion effect with this, thereby can let fan 4 at the during operation, make outside air enter into the clearance between the battery module 3 along air inlet channel 31 after, can get into the water conservancy diversion cavity as far as possible and discharge out (see fig. 18), thereby guarantee the radiating effect, and make air flow rate even, let the difference in temperature of each region in the electrical power generating system module unanimous, and guarantee the life of electrical power generating system module with this.

Referring to fig. 4-5, 7-8, and 13, in the present embodiment, the blocking foam 5 is disposed on both sides of the air duct plate 2, and the length of the blocking foam 5 corresponds to the length of the air duct plate 2, after the air duct plate is mounted on the box body 1, the blocking foam 5 will cling to the battery modules 3, so as to improve the sealing property between the air duct plate 2 and the battery modules 3, thereby further ensuring that the air between the battery modules 3 can enter the flow guiding cavity as much as possible and be discharged when the fan 4 works.

Referring to fig. 3 and 9-12, in the present embodiment, the cross section of the air guiding plate 6 is in a convex shape, the front protruding structure extends into the gap between the two battery modules 3, and the air inlet 61 is disposed at the protruding structure, so that the air inlet 61 faces the gap between the two battery modules 3, and meanwhile, the height of the air inlet 61 is slightly less than or equal to the height of the gap between the battery modules 3, so that the suction force generated by the fan 4 at the air guiding cavity can be more uniformly applied to the gap between the two battery modules 3 through the air inlet 61, thereby improving the fluidity of air. Meanwhile, the flow guide cavity formed between the flow guide air plate 6 and the box body 1 can form a certain vacuum effect after the suction force of the fan 4 is applied to the flow guide cavity, so that the suction force is increased, the flowability of air can be improved, and the heat dissipation efficiency is improved.

It is worth mentioning, in order to improve the installation convenience of water conservancy diversion aerofoil 6 and improve the leakproofness of water conservancy diversion cavity, in this embodiment, all be provided with the closing plate in water conservancy diversion aerofoil 6's upper and lower port department, seal the water conservancy diversion cavity in the water conservancy diversion aerofoil 6 through the closing plate, and set up sealed glue in the junction of closing plate, with this improvement sealed effect, treat that water conservancy diversion aerofoil 6's upper and lower port is sealed well after completely, install water conservancy diversion aerofoil 6 on box 1 again, with this installation convenience that improves water conservancy diversion aerofoil 6. Of course, in another embodiment, a sealing plate may be disposed only at the upper port of the guide wind plate 6, the upper port is sealed by the sealing plate, then the lower port of the guide wind plate 6 is directly welded at the bottom surface of the box body 1, so that the guide wind plate 6 is directly mounted on the box body 1, and the lower port of the guide wind plate 6 is sealed by the bottom plate of the box body 1, then a sealant is disposed at the joint of the guide wind plate 6 and the box body 1, and a sealant is disposed at the joint of the guide wind plate 6 and the sealing plate, so as to improve the sealing effect.

Further, referring to fig. 4, the air guide plate 6 is provided with sealing foam 9 at two sides of the air inlet 61, and after installation, the sealing foam 9 is tightly attached to the side of the battery module 3, so as to improve the sealing property between the air guide plate 6 and the battery module 33.

In this application, through the setting of the cotton 5 of shutoff bubble and the cotton 9 of sealed bubble, can improve the leakproofness between water conservancy diversion air seal board and wind channel board 2 and the battery module 3 to can let the air of clearance department between inlet air duct 31, two battery modules 3, flow toward 4 directions of fan on the at utmost, thereby improve the mobility of air, in order to guarantee the heat dissipation homogeneity, and improve heat exchange efficiency.

Referring to fig. 6, in the present embodiment, an air outlet 12 is disposed on a side wall of the box 11 where the flow guiding cavity is installed, the air outlet 12 is communicated with the flow guiding cavity and corresponds to the air inlet 61, and the fan 4 is installed in the air outlet 12, so that the fan 4 can generate suction at the flow guiding cavity to perform heat dissipation in the box 1. Specifically, the installation mode of the fan 4 is set as follows: the side wall of the box body 1 is provided with a plurality of connecting holes 14, the connecting holes 14 are arranged around the air outlet 12, then the fan 4 is provided with a plurality of hole sites in one-to-one correspondence with the connecting holes 14, then fastening bolts 7 are installed in the hole sites and the connecting holes 14, and the fan 4 is installed at the air outlet 12 of the box body 1 through the fastening bolts 7.

Referring to fig. 2, 7, and 13-15, in the present embodiment, the air duct plate 2 is L-shaped, the length of the air duct plate 2 corresponds to the length of the gap between the two battery modules 3, and the height of the air duct plate 2 corresponds to the height of the battery modules 3, so that the air duct plate 2 completely covers the gap between the two battery modules 3 and one side of the gap after being installed, thereby ensuring the sealing and guiding effects on the gap between the battery modules 3

Wherein, the concrete mounting means of wind channel board 2 does: both ends of the air duct plate 2 are provided with a connecting plate 21, the connecting plate 21 is provided with hole sites for mounting screws, the upper end face of the guide air plate 6 is provided with a threaded hole corresponding to the hole site on the connecting plate 21, and the box body 1 is also provided with a threaded hole corresponding to the hole site on the other connecting plate 21, so that the hole site of the connecting plate 21 on the left side of the air duct plate 2 corresponds to the hole site of the guide air plate 6, one end of the air duct plate 2 is fixed on the guide air plate 6 by the mounting screws in the holes, the hole site of the connecting plate 21 on the right side of the air duct plate 2 corresponds to the threaded hole on the box body 1, and the other side of the air duct plate 2 is fixed on the box body 1 by the mounting screws in the holes.

Referring to fig. 4 and 12-13, in the present embodiment, two beams 13 are arranged in parallel and at intervals on the bottom surface of the case 1, and the ribs 8 are arranged between the two beams 13 and perpendicular to the beams 13, so as to surround and form a frame structure and improve the sealing property under the battery module 3.

Wherein, the lower extreme of water conservancy diversion aerofoil 6 is inwards sunken to form a notch that highly corresponds with crossbeam 13, and water conservancy diversion aerofoil 6 is on a crossbeam 13 of this notch department overlap joint (see fig. 12), it is worth noting that, there is a section distance between this crossbeam 13 and the 1 lateral wall of box, with this mounted position that can inject water conservancy diversion aerofoil 6, water conservancy diversion aerofoil 6 can be placed on crossbeam 13 through the notch easily simultaneously, thereby can place corresponding mounted position fast, and through the injecing of crossbeam 13, can let water conservancy diversion aerofoil 6 stably place on crossbeam 13, and hug closely 1 lateral wall of box, with this installation that can make things convenient for water conservancy diversion aerofoil 6. The threaded holes for mounting the air duct plate 2 in the housing 1 are provided in the other cross member 13, so that the lower part of the air duct plate 2 is mounted on the cross member 13.

Further, the height of the cross beam 13 corresponds to the height of the ribs 8, so that the cross beam 13 and the ribs 8 are prevented from being different in height, and the sealing performance below the battery module 3 is prevented from being affected.

Referring to fig. 16-17, in the present embodiment, the ventilation holes 11 are disposed in a strip shape and correspond to the positions of the air inlet channels 31, so that the external air can directly enter the air inlet channels 31 from the ventilation holes 11, thereby reducing air shunting. Further, the area of the vent hole 11 on the same wall face is sequentially reduced along the direction of the fan 4, because the suction force generated by the fan 4 in the working process is closer to the fan 4, the suction force is larger, and therefore the wind speed of each air inlet channel 31 is correspondingly changed, so that the wind speed of each air inlet channel 31 can be adjusted by adjusting the area of the vent hole 11, the passing wind quantity of each air inlet channel 31 is ensured to be consistent as much as possible, the heat dissipation effect is ensured to be the same, and finally the temperature of each position of the battery module is kept uniform.

Referring to fig. 2, in the present embodiment, a tie 10 is disposed in the case 1, and the battery modules 3 are bound by the tie 10, so that the stability of the battery modules 3 in the case 1 can be further improved.

Referring to fig. 9, in the present embodiment, a handle 15 is disposed on an outer sidewall of the box body 1, and the handle 15 has a structure like a Chinese character '21274', and a holding position is provided by the handle 15, so that the box body 1 can be conveniently moved.

Compared with the prior art:

1. this application can improve the inside radiating effect of energy storage electrical power generating system module, can guarantee simultaneously that its inside temperature is balanced, prevents that the temperature difference is big and the performance that leads to reduces.

2. This application can guarantee that energy storage electrical power generating system module is effectual dispels the heat and ventilates when the high temperature, simultaneously, can in time discharge the harmful gas who produces.

3. The application can prevent the thermal runaway of the energy storage power supply system module, and the occurrence of failure control or explosion and other conditions can be prevented.

4. The application has the advantages of simple overall structure, convenient assembly process implementability, convenient operation, convenient disassembly and assembly and low cost.

As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.

Claims (8)

1. A combined cooling system device on an energy storage power system module, comprising: the battery cooling box comprises a box body (1), a cooling device (20), a fan (4) and battery modules (3), wherein the two battery modules (3) are arranged inside the box body (1) along the length direction of the box body (1) and are respectively arranged on two sides of the box body (1), the cooling device (20) is arranged between the two battery modules (3), the cooling device (20) is hermetically connected with the two battery modules (3) and the box body (1) to form an annular flow guide cavity perpendicular to the battery modules (3), the fan (4) is arranged on the outer wall of one end of the box body (1), the fan (4) is communicated with the flow guide cavity, ventilating holes (11) are formed in two sides of the box body (1), and cold air enters the box body (1) from the ventilating holes (11) under the driving of the fan (4) and is discharged from the fan (4) after passing through the battery modules (3) to the flow guide cavity.

2. The combined cooling system arrangement on a power storage system module as claimed in claim 1, wherein: the low-voltage wire harness assembly is characterized by further comprising a low-voltage wire harness assembly (30), a low-voltage electrical connector (40) and a battery management unit (50), wherein the low-voltage electrical connector (40) is installed on the outer wall of the same end of the box body (1) as the fan (4), one end of the low-voltage wire harness assembly (30) is connected with the battery module (3), the other end of the low-voltage wire harness assembly is connected with the low-voltage electrical connector (40), and the battery management unit (50) is installed outside the low-voltage electrical connector (40).

3. The combined cooling system arrangement on a power storage system module as claimed in claim 1, wherein: the box (1) comprises an upper shell (17) and a lower tray assembly (18), the upper shell (17) is installed at the top end of the lower tray assembly (18), a space is formed between the upper shell and the lower tray assembly (18), and the battery module (3) is installed inside the space.

4. The combined cooling system arrangement on a power storage system module as claimed in claim 1, wherein: the cooling device (20), the battery module (3) and the box body (1) are hermetically connected through the plugging foam (9) to form an annular flow guide cavity.

5. The combined cooling system arrangement on an energy storage power system module of claim 1, wherein: the battery module (3) comprises a plurality of battery cores which are arranged in parallel, and every two battery cores are arranged at intervals to form an air inlet channel (31) at the intervals.

6. The combined cooling system arrangement on an energy storage power system module of claim 3, wherein: an air outlet (12) is formed in the outer wall of one end, provided with the fan (4), of the lower tray assembly (18), an air inlet (61) is formed in the inner wall of one end, provided with the fan (4), of the lower tray assembly (18), and the air outlet (12) is communicated with the flow guide cavity and corresponds to the air inlet (61); the fan (4) is arranged in the air outlet (12).

7. The combined cooling system arrangement on an energy storage power system module of claim 3, wherein: the ventilating holes (11) are strip-shaped and are arranged on the wall surfaces of two sides of the lower tray assembly (18), and the areas of the ventilating holes (11) on the same wall surface are sequentially reduced towards the direction of the fan (4).

8. The combined cooling system arrangement on an energy storage power system module of claim 5, wherein: the positions of the air vent holes (11) correspond to the positions of the air inlet channels (31) one by one.

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