CN215578719U - Battery cooling device for vehicle - Google Patents
Battery cooling device for vehicle Download PDFInfo
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- CN215578719U CN215578719U CN202121482418.2U CN202121482418U CN215578719U CN 215578719 U CN215578719 U CN 215578719U CN 202121482418 U CN202121482418 U CN 202121482418U CN 215578719 U CN215578719 U CN 215578719U
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- battery pack
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- way valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The application relates to a vehicle battery cooling device, including: at least one path of battery pack, an expansion water tank, a water cooling unit and a circulating water pump; wherein the circulating water pump is installed at the rear cabin of the vehicle; the water outlet of the expansion water tank is connected with the water inlet of the circulating water pump; the water outlet of the circulating water pump is connected with the water inlet of the water cooling unit; the water outlet of the water cooling unit is connected with the water inlet of at least one path of battery pack; and the water outlet of the battery pack is connected with the water inlet of the circulating water pump. This application is used for solving among the prior art, because circulation water pump lectotype is limited, can't satisfy the radiating requirement of group battery that grows gradually.
Description
Technical Field
The application relates to the field of automobiles, in particular to a battery cooling device for an automobile.
Background
In order to meet the requirements of the mileage of a guest and the quality protection of batteries, the pure electric bus needs to be configured with a large-power water-cooling power battery, generally, the number of battery boxes configured on one pure electric bus reaches more than ten boxes, the batteries are distributed at the wheel positions of the bus due to the large number of the batteries, the batteries are also distributed at the ejection positions of rear cars, and generally, a water cooling unit is correspondingly installed on the roof, wherein a circulating water pump is integrated in the water cooling unit to realize water circulation, so that the heat dissipation of the batteries is realized.
However, due to the space limitation of the water chiller and the size standard limitation of the vehicle, the circulating water pump generally has small power, low lift and insufficient flow, and cannot meet the gradually-increased requirement of battery pack heat dissipation.
SUMMERY OF THE UTILITY MODEL
The application provides a vehicle battery cooling device for solve prior art, because circulation water pump lectotype is limited, can't satisfy the radiating requirement of group battery that increases gradually.
Based on the above technical problem, an embodiment of the present application provides a vehicle battery cooling device, including:
at least one path of battery pack, an expansion water tank, a water cooling unit and a circulating water pump; wherein the circulating water pump is installed at the rear cabin of the vehicle;
the water outlet of the expansion water tank is connected with the water inlet of the circulating water pump;
the water outlet of the circulating water pump is connected with the water inlet of the water cooling unit;
the water outlet of the water cooling unit is connected with the water inlet of at least one path of battery pack;
and the water outlet of the battery pack is connected with the water inlet of the circulating water pump.
Optionally, the at least one battery pack includes: the battery pack comprises a first path of battery pack, a second path of battery pack, a third path of battery pack and a fourth path of battery pack;
the water inlet of the first path of battery pack is connected with the water outlet of the water cooling unit, and the water outlet of the first path of battery pack is connected with the water outlet of the expansion water tank and the water inlet of the circulating water pump;
the water inlet of the second path of battery pack, the water inlet of the third path of battery pack and the water inlet of the fourth path of battery pack are connected with the water outlet of the water cooling unit; and the water outlet of the second battery pack, the water outlet of the third battery pack and the water outlet of the fourth battery pack are connected with the water inlet of the circulating water pump.
Optionally, each way the group battery all disposes the flow switch valve, just flow switch valve one end with the water inlet of group battery links to each other, the other end with the delivery port of water-cooled generator group links to each other.
Optionally, a first three-way valve and a second three-way valve are installed on a pipeline connected to the water outlet of the first path of battery pack; wherein the content of the first and second substances,
a first interface of the first three-way valve is connected with a water outlet of the first path of battery pack, a second interface of the first three-way valve is connected with a water inlet of the expansion water tank, and a third interface of the first three-way valve is connected with a first interface of the second three-way valve;
and a second interface of the second three-way valve is connected with a water outlet of the expansion water tank, and a third interface of the second three-way valve is connected with the circulating water pump.
Optionally, the method further includes: a third three-way valve, a fourth three-way valve and a fifth three-way valve;
a first interface of the third three-way valve is connected with a water outlet of the second path of battery pack, a second interface of the third three-way valve is connected with a first interface of the fourth three-way valve, and a third interface of the third three-way valve is connected with a water outlet of the third path of battery pack;
a second port of the fourth three-way valve is connected with a water outlet of the fourth battery pack, and a third port of the fourth three-way valve is connected with a first port of the fifth three-way valve;
and a second interface of the fifth three-way valve is connected with a water inlet of the circulating water pump, and a third interface of the fifth three-way valve is connected with a third interface of the second three-way valve.
Optionally, the first battery pack includes: a case of batteries; the second battery pack, the third battery pack and the fourth battery pack all include: three boxes of batteries are connected in series, and the three boxes of batteries of each battery pack are connected in series; wherein the content of the first and second substances,
one of the three boxes of batteries of the second battery pack is arranged in the rear bin, and the other two boxes of batteries of the three boxes of batteries of the second battery pack are arranged on a left rear wheel;
one of the three boxes of batteries of the third battery pack is arranged in the rear bin, and the other two boxes of batteries of the three boxes of batteries of the third battery pack are arranged in the right rear wheel;
and the three boxes of batteries of the fourth battery pack are all installed in the rear bin.
Optionally, a sixth three-way valve is installed on a pipeline of a water outlet of the water chiller unit; wherein the content of the first and second substances,
and a third interface of the sixth three-way valve is connected with the second path of battery pack, the third path of battery pack and the fourth path of battery pack through a four-way valve.
Optionally, the circulating water pump is installed in the rear cabin through an embedded part of the vehicle body framework.
Optionally, the expansion tank is mounted on the bracket of the water chiller unit through a fastener, and the water chiller unit and the expansion tank are mounted on the roof through the bracket.
Optionally, the first battery pack is mounted on a vehicle roof.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: in this application embodiment, the circulating water pump of integrated in the water chilling unit is cancelled, and the purchasing cost of reducing system installs circulating water pump in storehouse behind the car, and storehouse space is sufficient behind the car, can select high-power, the high-lift of lift, the big circulating water pump of flow according to the heat dissipation demand of group battery, can satisfy the radiating requirement of group battery that increases gradually. And the circulating water pump is arranged in the rear cabin of the vehicle, so that the circulating water pump does not need to climb to the roof when being maintained or replaced, and is more convenient to maintain or replace.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a three-dimensional schematic view of a vehicle battery cooling device according to an embodiment of the present disclosure;
fig. 2 is an operational schematic diagram of a vehicle battery cooling device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to solve prior art, because of the restriction of the dimensional standard of the space restriction of water chilling unit and car, circulating water pump general power is little, the lift is low, the flow is not enough, can't satisfy the radiating problem of requirement of the group battery that increases gradually, this application embodiment provides a vehicle battery cooling device, as shown in fig. 1, this vehicle battery cooling device includes:
at least one path of battery pack, an expansion water tank 1, a water cooling unit 2 and a circulating water pump 3; wherein, the circulating water pump 3 is arranged at the rear cabin of the vehicle;
the water outlet of the expansion water tank 1 is connected with the water inlet of the circulating water pump 3;
the water outlet of the circulating water pump 3 is connected with the water inlet of the water cooling unit 2;
the water outlet of the water cooling unit 2 is connected with the water inlet of at least one path of battery pack;
and the water outlet of the battery pack is connected with the water inlet of the circulating water pump 3.
In specific implementation, the expansion water tank 1 is mounted on a bracket of the water cooling unit 2 through a fastener, and the water cooling unit 2 and the expansion water tank 1 are both mounted on a vehicle roof through the bracket; and the circulating water pump 3 is installed in the rear bin through an embedded part of a car body framework. At least one way of group battery, expansion tank 1, water chiller 2 and circulating water pump 3 link to each other through connecting line 16, and specifically, connecting line 16 links to each other with water chiller 2, expansion tank 1, circulating water pump 3 and group battery locking through the clamp.
In this application embodiment, the circulating water pump of integrated in the water chilling unit is cancelled, and the purchasing cost of reducing system installs circulating water pump in storehouse behind the car, and storehouse space is sufficient behind the car, can select high-power, the high-lift of lift, the big circulating water pump of flow according to the heat dissipation demand of group battery, can satisfy the radiating requirement of group battery that increases gradually. And the circulating water pump is arranged in the rear cabin of the vehicle, so that the circulating water pump does not need to climb to the roof when being maintained or replaced, and is more convenient to maintain or replace.
In one embodiment, as shown in fig. 2, at least one battery pack includes: the battery pack comprises a first path of battery pack 4, a second path of battery pack 5, a third path of battery pack 6 and a fourth path of battery pack 7; the four battery packs are connected in parallel.
The water inlet of the first path of battery pack 4 is connected with the water outlet of the water cooling unit 2, and the water outlet of the first path of battery pack 4 is connected with the water outlet of the expansion water tank 1 and the water inlet of the circulating water pump 3;
the water inlet of the second path of battery pack 5, the water inlet of the third path of battery pack 6 and the water inlet of the fourth path of battery pack 7 are connected with the water outlet of the water cooling unit 2; and the water outlet of the second battery pack 5, the water outlet of the third battery pack 6 and the water outlet of the fourth battery pack 7 are connected with the water inlet of the circulating water pump 3.
Wherein, the first way battery pack 4 includes: the box battery is arranged on the roof of the vehicle; the second battery pack 5, the third battery pack 6 and the fourth battery pack 7 each include: three boxes of batteries are connected in series, and the three boxes of batteries of each battery pack are connected in series; wherein, one of the three boxes of batteries of the second battery pack 5 is arranged in the rear bin, and the other two boxes of batteries of the three boxes of batteries of the second battery pack 5 are arranged on a left rear wheel; one of the three boxes of batteries of the third battery pack 6 is mounted in the rear bin, and the other two boxes of batteries of the three boxes of batteries of the third battery pack 6 are mounted in the right rear wheel; and the three boxes of batteries of the fourth battery pack 7 are all arranged in the rear bin.
Moreover, in order to control the heat dissipation of each way of battery pack respectively, each way the battery pack is provided with a flow switch valve 15, just 15 one end of the flow switch valve is connected with the water inlet of the battery pack, and the other end is connected with the water outlet of the water cooling unit 2. The staff can adjust the flow switch valve 15 that each way group battery corresponds as required. When a certain way of battery pack is overhauled, the flow switch valve 15 of the way of battery pack can be correspondingly closed, so that the maintenance is convenient.
In a specific embodiment, the battery cooling device for a vehicle provided in the embodiment of the present application further includes: a first three-way valve 10, a second three-way valve 9, a third three-way valve 13, a fourth three-way valve 14, a fifth three-way valve 11, and a sixth three-way valve 8; wherein the content of the first and second substances,
a first port of the first three-way valve 10 is connected with a water outlet of the first path of battery pack 4, a second port of the first three-way valve 10 is connected with a water inlet of the expansion water tank 1, and a third port of the first three-way valve 10 is connected with a first port of the second three-way valve 9;
a second port of the second three-way valve 9 is connected with a water outlet of the expansion water tank 1, and a third port of the second three-way valve 9 is connected with the circulating water pump 3;
a first port of the third three-way valve 13 is connected with a water outlet of the second battery pack 5, a second port of the third three-way valve 13 is connected with a first port of the fourth three-way valve 14, and a third port of the third three-way valve 13 is connected with a water outlet of the third battery pack 6;
a second port of the fourth three-way valve 14 is connected with a water outlet of the fourth battery pack 7, and a third port of the fourth three-way valve 14 is connected with a first port of the fifth three-way valve 11;
a second port of the fifth three-way valve 11 is connected with a water inlet of the circulating water pump 3, and a third port of the fifth three-way valve 11 is connected with a third port of the second three-way valve 9;
a first interface of a sixth three-way valve 8 is connected with a water inlet of the first path of battery pack 4, a second interface of the sixth three-way valve 8 is connected with a water outlet of the water cooling unit 2, and a third interface of the sixth three-way valve 8 is connected with the second path of battery pack 5, the third path of battery pack 6 and the fourth path of battery pack 7 through a four-way valve 12.
In this application embodiment, realized parallelly connected and the water route circulation in four ways group battery water routes through a plurality of three-way valves, can satisfy the radiating demand of battery box.
The following will take a four-way battery pack as an example to further explain the working principle of the vehicular battery cooling device provided in the embodiment of the present application.
Referring to the attached figure 2, the water inlet process mainly comprises the following steps:
firstly, water is discharged from an expansion water tank 1, flows into a water cooling unit 2 under the action of a circulating water pump 3 through a first three-way valve 9 and a second three-way valve 11, and is cooled through the water cooling unit 2; after cooling, water flows into the internal water channel of the first battery pack 4 from the water outlet of the water cooling unit 2 through the sixth three-way valve 8, and flows into the second battery pack 5, the third battery pack 6 and the fourth battery pack 7 through the sixth three-way valve 8 and the four-way valve 12 respectively. Wherein, the flow velocity of the inlet water of each battery pack can be adjusted by the flow switch valve 15.
The water return process is as follows: the water flowing into the first path of battery pack 4 cools the first path of battery pack 4, and the cooled hot water flows out from the water outlet of the first path of battery pack 4 and is collected to the water inlet of the circulating water pump 3 through the first three-way valve 10 and the second three-way valve 9; when hot water passes through the first three-way valve 10, hot gas flows upwards and enters the expansion water tank 1 through a pipeline to realize degassing.
Hot water flowing out of the second path of battery pack 5 and the third path of battery pack 6 passes through a third three-way valve 13 and a fourth three-way valve 14 and is collected to a water inlet of the circulating water pump 3;
hot water flowing out of the fourth battery pack 7 is collected to the water inlet of the circulating water pump 3 through the fourth three-way valve 14;
the circulating water pump 3 pumps the hot water into the water cooling unit 2 to realize cooling, and the hot water flows into the water channels of the battery packs after cooling again to realize water circulation and cooling.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be noted that in the description herein, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A vehicular battery cooling device characterized by comprising: at least one path of battery pack, an expansion water tank (1), a water cooling unit (2) and a circulating water pump (3); wherein the circulating water pump (3) is arranged at the rear cabin of the vehicle;
the water outlet of the expansion water tank (1) is connected with the water inlet of the circulating water pump (3);
the water outlet of the circulating water pump (3) is connected with the water inlet of the water cooling unit (2);
a water outlet of the water cooling unit (2) is connected with a water inlet of at least one path of battery pack;
and the water outlet of the battery pack is connected with the water inlet of the circulating water pump (3).
2. The vehicular battery cooling apparatus according to claim 1, wherein the at least one battery pack includes: the battery pack comprises a first path of battery pack (4), a second path of battery pack (5), a third path of battery pack (6) and a fourth path of battery pack (7);
the water inlet of the first path of battery pack (4) is connected with the water outlet of the water cooling unit (2), and the water outlet of the first path of battery pack (4) is connected with the water outlet of the expansion water tank (1) and the water inlet of the circulating water pump (3);
the water inlet of the second path of battery pack (5), the water inlet of the third path of battery pack (6) and the water inlet of the fourth path of battery pack (7) are connected with the water outlet of the water cooling unit (2); and the water outlet of the second battery pack (5), the water outlet of the third battery pack (6) and the water outlet of the fourth battery pack (7) are connected with the water inlet of the circulating water pump (3).
3. The battery cooling device for the vehicle according to claim 1, wherein each battery pack is provided with a flow switch valve (15), and one end of the flow switch valve (15) is connected with a water inlet of the battery pack, and the other end is connected with a water outlet of the water cooling unit (2).
4. The vehicular battery cooling device according to claim 2, wherein a first three-way valve (10) and a second three-way valve (9) are mounted on a pipeline connected to a water outlet of the first path of battery pack (4); wherein the content of the first and second substances,
a first interface of the first three-way valve (10) is connected with a water outlet of the first path of battery pack (4), a second interface of the first three-way valve (10) is connected with a water inlet of the expansion water tank (1), and a third interface of the first three-way valve (10) is connected with a first interface of the second three-way valve (9);
and a second interface of the second three-way valve (9) is connected with a water outlet of the expansion water tank (1), and a third interface of the second three-way valve (9) is connected with the circulating water pump (3).
5. The vehicular battery cooling apparatus according to claim 4, characterized by further comprising: a third three-way valve (13), a fourth three-way valve (14) and a fifth three-way valve (11);
a first interface of the third three-way valve (13) is connected with a water outlet of the second battery pack (5), a second interface of the third three-way valve (13) is connected with a first interface of the fourth three-way valve (14), and a third interface of the third three-way valve (13) is connected with a water outlet of the third battery pack (6);
a second port of the fourth three-way valve (14) is connected with a water outlet of the fourth battery pack (7), and a third port of the fourth three-way valve (14) is connected with a first port of the fifth three-way valve (11);
and a second interface of the fifth three-way valve (11) is connected with a water inlet of the circulating water pump (3), and a third interface of the fifth three-way valve (11) is connected with a third interface of the second three-way valve (9).
6. The vehicular battery cooling apparatus according to claim 2, wherein the first battery pack includes: a case of batteries; the second way battery pack (5), the third way battery pack (6) and the fourth way battery pack (7) comprise: three boxes of batteries are connected in series, and the three boxes of batteries of each battery pack are connected in series; wherein the content of the first and second substances,
one of the three boxes of batteries of the second battery pack (5) is arranged in the rear bin, and the other two boxes of batteries of the three boxes of batteries of the second battery pack (5) are arranged on a left rear wheel;
one of the three boxes of batteries of the third battery pack (6) is arranged in the rear bin, and the other two boxes of batteries of the three boxes of batteries of the third battery pack (6) are arranged in the right rear wheel;
and the three boxes of batteries of the fourth battery pack (7) are all arranged in the rear bin.
7. The vehicular battery cooling device according to claim 2, characterized in that a sixth three-way valve (8) is installed on a pipeline of a water outlet of the water chiller unit (2); wherein the content of the first and second substances,
the first interface of the sixth three-way valve (8) is connected with the water inlet of the first path of battery pack (4), the second interface of the sixth three-way valve (8) is connected with the water outlet of the water cooling unit (2), and the third interface of the sixth three-way valve (8) is connected with the second path of battery pack (5), the third path of battery pack (6) and the fourth path of battery pack (7) through the four-way valve (12).
8. The vehicular battery cooling apparatus according to claim 1, wherein the circulating water pump (3) is mounted in the rear compartment through an embedded part of a vehicle body frame.
9. The battery cooling apparatus for vehicle according to claim 1, wherein the expansion tank (1) is mounted on a bracket of the water chiller unit (2) by a fastener, and the water chiller unit (2) and the expansion tank (1) are both mounted on a roof of a vehicle by the bracket.
10. The battery cooling apparatus for vehicle according to any one of claims 2 or 4 to 7, wherein the first path battery pack (4) is mounted on a roof of a vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482418.2U CN215578719U (en) | 2021-06-30 | 2021-06-30 | Battery cooling device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482418.2U CN215578719U (en) | 2021-06-30 | 2021-06-30 | Battery cooling device for vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN215578719U true CN215578719U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121482418.2U Active CN215578719U (en) | 2021-06-30 | 2021-06-30 | Battery cooling device for vehicle |
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|---|---|
| CN (1) | CN215578719U (en) |
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2021
- 2021-06-30 CN CN202121482418.2U patent/CN215578719U/en active Active
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