CN211809178U - Integrated battery thermal management system and hydrogen energy automobile - Google Patents

Integrated battery thermal management system and hydrogen energy automobile Download PDF

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Publication number
CN211809178U
CN211809178U CN201922233135.3U CN201922233135U CN211809178U CN 211809178 U CN211809178 U CN 211809178U CN 201922233135 U CN201922233135 U CN 201922233135U CN 211809178 U CN211809178 U CN 211809178U
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fuel cell
management system
loop
thermal management
water pump
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CN201922233135.3U
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Chinese (zh)
Inventor
赵春平
郝义国
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Wuhan Grove Hydrogen Automobile Co Ltd
Wuhan Grove Hydrogen Energy Automobile Co Ltd
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Wuhan Grove Hydrogen Energy Automobile Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

The utility model provides an integrated battery heat management system and a hydrogen energy automobile, wherein the integrated battery heat management system comprises a warm air loop, a fuel cell branch and a first reversing device; the heating device, the first water pump and the heating core are connected in the heating loop, and the first fan is arranged beside the heating core; the fuel cell branch is connected with a fuel cell and a second water pump; the first reversing device is connected with the warm air loop and the fuel cell branch and used for enabling the fuel cell branch to be connected in series into the warm air loop or enabling the warm air loop to be communicated. The utility model provides a technical scheme's beneficial effect is: the integrated battery thermal management system is provided, so that energy among all loops is fully utilized, the energy consumption of the whole vehicle is reduced, and the endurance mileage of the whole vehicle is increased.

Description

Integrated battery thermal management system and hydrogen energy automobile
Technical Field
The utility model relates to a vehicle thermal management technical field especially relates to an integrated form battery thermal management system and hydrogen energy car.
Background
With the increasingly prominent current environmental problems, the rise of hydrogen energy automobiles is a necessary trend of social development, and the hydrogen energy automobiles not only can reduce the dependence of people on fossil fuels, but also can reduce the emission of automobile exhaust and effectively improve the environmental quality.
At present, the domestic hydrogen energy automobile heat management system mainly adopts an independent loop, waste heat generated by a fuel cell is dissipated into the air by using a radiator, and the energy waste is serious.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an integrated form battery thermal management system and hydrogen energy car aims at providing the integrated form battery thermal management system of an integrated form, makes energy make full use of between each return circuit, reduces whole car energy consumption, promotes whole car continuation of the journey mileage.
An embodiment of the utility model provides an integrated form battery thermal management system, include:
the heating device comprises a warm air loop, a first water pump, a warm air core and a first fan, wherein the heating device, the first water pump and the warm air core are connected in the warm air loop;
the fuel cell branch is connected with a fuel cell and a second water pump; and the number of the first and second groups,
and the first reversing device is connected with the warm air loop and the fuel cell branch and is used for enabling the fuel cell branch to be connected in series into the warm air loop or enabling the warm air loop to be communicated.
The water inlet and the water outlet of the battery pack are respectively connected with the heating device and the first water pump through a second reversing device to form a battery pack heating loop, and the second reversing device is used for switching the communication of the battery pack heating loop and the communication of the warm air loop.
Further, the second reversing device is a three-way reversing valve.
Further, the system also comprises a cooler and a third water pump;
the cooler, the third water pump and the battery pack are connected with each other to form a loop, the cooler, an air conditioner compressor, an air conditioner evaporator, an electromagnetic valve and an air conditioner condenser form a battery coolant cooling loop, when the cooler is in an operating state, the cooler, the third water pump and the battery pack form a battery coolant cooling loop, and when the cooler is in a non-operating state, the cooler, the third water pump and the battery pack form a battery loop.
Further, the heating device is a PTC heater; and/or the presence of a gas in the gas,
the first reversing device is a four-way reversing valve; and/or the presence of a gas in the gas,
the integrated battery thermal management system further comprises a fuel cell radiator, wherein a second fan is arranged beside the fuel cell radiator, and the fuel cell radiator is connected with the fuel cell and the second water pump to form a fuel cell radiating loop.
Furthermore, the device also comprises a main part heat dissipation path, at least one part heat dissipation branch path and at least one third reversing device;
the part heat dissipation main path is connected with a low-temperature radiator and a fourth water pump, and the third reversing device is used for switching the part heat dissipation main path and the part heat dissipation branch path between a communication state and a cut-off state.
Furthermore, a plurality of part heat dissipation branches are arranged and are connected in parallel.
Furthermore, one of the part heat dissipation branches is connected with an air compressor controller and an air compressor; and/or the presence of a gas in the gas,
one of the part radiating branches is connected with a power distribution unit and a first DCDC converter; and/or the presence of a gas in the gas,
one of the part heat dissipation branches is connected with a microcontroller, a second DCDC converter and a motor.
Further, the third reversing device is a three-way reversing valve.
The embodiment of the utility model provides a hydrogen energy car is still provided, include as above integrated form battery thermal management system.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1. the heating device is flexibly utilized to form warm air and heat the battery pack and the fuel cell, the waste heat generated by the fuel cell and the PTC heater are utilized to form the warm air together and lead the warm air into the passenger compartment, the waste heat generated by the fuel cell can be fully utilized, the energy consumption of the whole vehicle is reduced, and the endurance mileage of the whole vehicle is improved.
2. When the temperature of the battery pack is too high, the temperature of the battery pack can be reduced by utilizing the phase change principle of an air-conditioning refrigerant and adopting a cooler for heat exchange; when the temperature of the battery pack is in the normal operation range, the battery pack is positioned in a battery loop to normally operate; when the temperature of battery package was crossed lowly, through the intercommunication interface of adjustment second switching-over device, made battery package heating circuit intercommunication, adopted heating device to carry out abundant protection to the battery package of whole car under different environment, promoted whole car security.
3. The fuel cell radiator is used for radiating the fuel cell, and the low-temperature radiator is used for selectively radiating parts, so that the fuel cell and the parts are prevented from being damaged due to overhigh temperature.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an integrated battery thermal management system provided by the present invention;
FIG. 2 is a schematic diagram of a portion of the integrated battery thermal management system of FIG. 1;
fig. 3 is a schematic diagram of the heat dissipation circuit of the fuel cell of fig. 1;
fig. 4 is a schematic diagram of a portion of the integrated battery thermal management system of fig. 1.
In the figure: the air conditioner comprises a heating device 1, a first water pump 2, a warm air core 3, a first fan 4, a fuel cell 5, a second water pump 6, a first reversing device 7, a battery pack 8, a second reversing device 9, a cooler 10, a third water pump 11, an air conditioner compressor 12, an air conditioner evaporator 13, an electromagnetic valve 14, an air conditioner condenser 15, a fuel cell radiator 16, a second fan 17, a low-temperature radiator 18, a fourth water pump 19, an air compressor controller 20, an air compressor 21, a power distribution unit 22, a first DCDC converter 23, a microcontroller 24, a second DCDC converter 25, a motor 26, a third reversing device 27, a first interface A, a second interface B, a third interface C and a fourth interface D.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
The utility model provides a hydrogen energy car including integrated form battery thermal management system, wherein, the utility model discloses a point is in on the integrated form battery thermal management system, figure 1 to figure 4 do the utility model provides an embodiment of integrated form battery thermal management system.
Referring to fig. 1 and 2, the integrated battery thermal management system includes a warm air circuit, a fuel cell branch, and a first reversing device 7. The heating device 1, the first water pump 2 and the heating core 3 are connected in the heating loop, and the first fan 4 is arranged beside the heating core 3; the fuel cell branch is connected with a fuel cell 5 and a second water pump 6; the first reversing device 7 is connected with the warm air loop and the fuel cell branch and used for enabling the fuel cell branch to be connected in series into the warm air loop or enabling the warm air loop to be communicated.
The heating device 1 is a PTC heater, and the first reversing device 7 is a four-way reversing valve. On the premise that the fuel cell branches can be connected in series in the warm air loop, the four-way reversing valve can be replaced by any other feasible control valve, for example, four three-way reversing valves are used for replacing the positions of four interfaces, and the four three-way reversing valves are sequentially connected end to end.
Specifically, the second port B and the third port C of the first reversing device 7 are connected in series to the warm air loop, the first port a and the fourth port D are connected in series to the fuel cell branch, the first reversing device 7 includes a first switching state and a second switching state, when in the first switching state, the first port a is communicated with the second port B, the third port C is communicated with the fourth port D, and when in the second switching state, the second port B is communicated with the third port C. When the second interface B and the third interface C of the first reversing device 7 are communicated, the PTC heater is in a working state, the first fan 4 is in a working state, a warm air loop is formed, and warm air can be led into a passenger cabin; when the first interface A and the second interface B of the first reversing device 7 are communicated, the third interface C and the fourth interface D are communicated, the PTC heater is in a working state, the first fan 4 is in a non-working state, the fuel cell 5 can be heated by the PTC heater, the fuel cell 5 with the temperature lower than the lowest temperature required by operation can be started to work in the shortest time, and the heating device 1 can be flexibly utilized to form warm air and heat the fuel cell 5. When the first interface A of the first reversing device 7 is communicated with the second interface B, the third interface C is communicated with the fourth interface D, the PTC heater is in an inoperative state, the first fan 4 is in an operative state, and the waste heat generated by the fuel cell 5 can be utilized to form warm air to be led into a passenger cabin; when the first interface A of the first reversing device 7 is communicated with the second interface B, the third interface C is communicated with the fourth interface D, the PTC heater is in a working state, the first fan 4 is in a working state, the waste heat generated by the fuel cell 5 and the PTC heater can be used together to form warm air to be led into a passenger compartment, the waste heat generated by the fuel cell 5 can be fully utilized, the energy consumption of the whole vehicle is reduced, and the driving range of the whole vehicle is increased.
Furthermore, the integrated battery thermal management system further comprises a battery pack heating loop, a water inlet and a water outlet of the battery pack 8 are respectively connected with the heating device 1 and the first water pump 2 through a second reversing device 9 to form the battery pack heating loop, and the second reversing device 9 is used for switching between the communication of the battery pack heating loop and the communication of the warm air loop. Specifically, the second reversing device 9 is a three-way reversing valve, and those skilled in the art may also replace the three-way reversing valve with any other feasible control valve, for example, two stop valves, as required, so that the battery pack 8 and the heater core 3 are respectively connected in series to the circuit formed by the PTC heater and the second water pump 6 through the stop valves. When the second interface B and the third interface C of the second reversing device 9 are communicated, the PTC heater is in a working state, a battery pack heating loop can be formed, and the battery pack 8 can be heated by the PTC heater.
Further, the integrated battery thermal management system further comprises a battery cooling liquid cooling loop, the cooler 10, the third water pump 11 and the battery pack 8 are connected with each other to form a loop, the cooler 10, the air conditioner compressor 12, the air conditioner evaporator 13, the electromagnetic valve 14 and the air conditioner condenser 15 form a battery coolant cooling loop, when the cooler 10 is in an operating state, the cooler 10, the third water pump 11 and the battery pack 8 form the battery cooling liquid cooling loop, and when the cooler 10 is in an inoperative state, the cooler 10, the third water pump 11 and the battery pack 8 form the battery loop. When the second interface B and the third interface C of the second reversing device 9 are closed, the battery pack heating circuit is in an off state, and the cooler 10 is controlled to be in a non-operating state to form a battery circuit, so that the battery pack 8 can normally operate without being heated or cooled; when the second interface B and the third interface C of the second reversing device 9 are closed, the battery pack heating circuit is in a cut-off state, the cooler 10 is controlled to be in an operating state to form a battery coolant cooling circuit, the air conditioning system is started, and the battery pack 8 is cooled by the cooler 10, so that the temperature of the battery pack 8 is reduced to a temperature range in which the battery pack can normally operate.
When the temperature of the battery pack 8 is too high, the temperature of the battery pack 8 can be reduced by utilizing the phase change principle of an air-conditioning refrigerant and adopting the cooler 10 for heat exchange; when the temperature of the battery pack 8 is in the normal operation range, the battery pack 8 is positioned in the battery loop to normally operate; when the temperature of battery package 8 was crossed low, through the intercommunication interface of adjustment second switching-over device 9, made battery package heating circuit intercommunication, adopted heating device 1 to heat for battery package 8, can fully protect battery package 8 of whole car under different environment, promoted whole car security, this kind of battery package liquid cooling heat management branch structure of non-independent control can satisfy the heat dissipation demand of each operating mode of battery, ensures that battery charge-discharge efficiency and life-span reach the design index.
Further, referring to fig. 3, the integrated battery thermal management system further includes a fuel cell heat dissipation loop, a second fan 17 is disposed beside the fuel cell radiator 16, the fuel cell radiator 16 is connected with the fuel cell 5 and the second water pump 6 to form the fuel cell heat dissipation loop, the fuel cell radiator 16 can be started to reduce the temperature of the fuel cell 5 to a temperature range in which the fuel cell 5 can normally operate by controlling the rotation speeds of the second fan 17 and the second water pump 6 to realize thermal control of the fuel cell 5, and damage to the fuel cell 5 due to an excessively high temperature is avoided.
Further, referring to fig. 4, the integrated battery thermal management system further includes a main component heat dissipation path, at least one branch component heat dissipation path, and at least one third reversing device 27, where the main component heat dissipation path is connected to the low-temperature heat sink 18 and the fourth water pump 19, and the third reversing device 27 is configured to switch the main component heat dissipation path and the branch component heat dissipation path between a communication state and an interruption state.
In this embodiment, the third reversing device 27 is a three-way reversing valve, and the heat dissipation branches of the components are multiple and connected in parallel. One of the component heat dissipation branches is connected with an air compressor controller 20 and an air compressor 21, one of the component heat dissipation branches is connected with a power distribution unit 22 and a first DCDC converter 23, and one of the component heat dissipation branches is connected with a microcontroller 24, a second DCDC converter 25 and a motor 26. By controlling the third reversing device 27 and adjusting the rotating speeds of the second fan 17 and the fourth water pump 19 according to the temperatures of the parts, the low-temperature radiator 18 can radiate the parts in a targeted manner, and the cooling requirements of the parts are met.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. An integrated battery thermal management system, comprising:
the heating device comprises a warm air loop, a first water pump, a warm air core and a first fan, wherein the heating device, the first water pump and the warm air core are connected in the warm air loop;
the fuel cell branch is connected with a fuel cell and a second water pump; and the number of the first and second groups,
and the first reversing device is connected with the warm air loop and the fuel cell branch and is used for enabling the fuel cell branch to be connected in series into the warm air loop or enabling the warm air loop to be communicated.
2. The integrated battery thermal management system of claim 1, further comprising a battery pack, wherein the water inlet and the water outlet of the battery pack are respectively connected with the heating device and the first water pump through a second reversing device to form a battery pack heating loop, and the second reversing device is used for switching between communication of the battery pack heating loop and communication of the warm air loop.
3. The integrated battery thermal management system of claim 2, wherein the second reversing device is a three-way reversing valve.
4. The integrated battery thermal management system of claim 2, further comprising a chiller and a third water pump;
the cooler, the third water pump and the battery pack are connected with each other to form a loop, the cooler, an air conditioner compressor, an air conditioner evaporator, an electromagnetic valve and an air conditioner condenser form a battery coolant cooling loop, when the cooler is in an operating state, the cooler, the third water pump and the battery pack form a battery coolant cooling loop, and when the cooler is in a non-operating state, the cooler, the third water pump and the battery pack form a battery loop.
5. The integrated battery thermal management system of claim 1, wherein the heating device is a PTC heater; and/or the presence of a gas in the gas,
the first reversing device is a four-way reversing valve; and/or the presence of a gas in the gas,
the integrated battery thermal management system further comprises a fuel cell radiator, wherein a second fan is arranged beside the fuel cell radiator, and the fuel cell radiator is connected with the fuel cell and the second water pump to form a fuel cell radiating loop.
6. The integrated battery thermal management system of claim 1, further comprising a primary component heat sink path, at least one secondary component heat sink path, and at least one third commutation device;
the part heat dissipation main path is connected with a low-temperature radiator and a fourth water pump, and the third reversing device is used for switching the part heat dissipation main path and the part heat dissipation branch path between a communication state and a cut-off state.
7. The integrated battery thermal management system of claim 6, wherein the component heat dissipation branch is provided in plurality and in parallel with each other.
8. The integrated battery thermal management system of claim 7, wherein an air compressor controller and an air compressor are coupled to one of the component heat dissipation branches; and/or the presence of a gas in the gas,
one of the part radiating branches is connected with a power distribution unit and a first DCDC converter; and/or the presence of a gas in the gas,
one of the part heat dissipation branches is connected with a microcontroller, a second DCDC converter and a motor.
9. The integrated battery thermal management system of claim 6, wherein the third reversing device is a three-way reversing valve.
10. A hydrogen powered vehicle comprising an integrated battery thermal management system according to any of claims 1 to 9.
CN201922233135.3U 2019-12-12 2019-12-12 Integrated battery thermal management system and hydrogen energy automobile Active CN211809178U (en)

Priority Applications (1)

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CN201922233135.3U CN211809178U (en) 2019-12-12 2019-12-12 Integrated battery thermal management system and hydrogen energy automobile

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Application Number Priority Date Filing Date Title
CN201922233135.3U CN211809178U (en) 2019-12-12 2019-12-12 Integrated battery thermal management system and hydrogen energy automobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112103532A (en) * 2020-11-09 2020-12-18 武汉格罗夫氢能汽车有限公司 Integrated thermal management control method for hydrogen energy automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112103532A (en) * 2020-11-09 2020-12-18 武汉格罗夫氢能汽车有限公司 Integrated thermal management control method for hydrogen energy automobile

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