CN216231660U - Four-wheel independent drive electric automobile hub motor waste heat power generation system of recycling - Google Patents
Four-wheel independent drive electric automobile hub motor waste heat power generation system of recycling Download PDFInfo
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- CN216231660U CN216231660U CN202123134145.5U CN202123134145U CN216231660U CN 216231660 U CN216231660 U CN 216231660U CN 202123134145 U CN202123134145 U CN 202123134145U CN 216231660 U CN216231660 U CN 216231660U
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- hub motor
- power generation
- waste heat
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- way pipe
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- 238000010248 power generation Methods 0.000 title claims abstract description 63
- 239000002918 waste heat Substances 0.000 title claims abstract description 59
- 238000004064 recycling Methods 0.000 title claims abstract description 24
- 239000000110 cooling liquid Substances 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 239000002826 coolant Substances 0.000 claims description 42
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
A four-wheel independent drive electric automobile in-wheel motor waste heat power generation system of recycling includes: wheel hub motor cooling system and waste heat power generation system, wherein wheel hub motor cooling system includes: the cooling system comprises a front axle hub motor, a front axle hub motor cooling liquid inlet three-way pipe, a front axle hub motor cooling liquid outlet three-way pipe, a rear axle hub motor cooling liquid inlet three-way pipe, a rear axle hub motor cooling liquid outlet three-way pipe, a first water pump, a second water pump, a first three-way valve, a second three-way valve, a radiator, a cooling fan and a compensation water tank; the waste heat power generation system comprises: the device comprises a temperature difference power generation module, a DC-DC power supply module, an energy storage battery module and an electric device module. This four-wheel independent drive electric automobile wheel hub motor waste heat power generation system of recycling aims at utilizing the waste heat that the in-wheel motor during operation produced to pass through the waste heat power generation system and turn into the electric energy storage with heat energy storage battery or for the power consumption device power supply in order to realize the waste heat recycling to electric automobile wheel hub motor, realizes having fully utilized in the waste heat of in-wheel motor when satisfying in-wheel motor's heat dissipation requirement, has improved the utilization ratio of energy, has reduced the energy consumption of whole car.
Description
Technical Field
The utility model relates to a four-wheel independent drive electric automobile hub motor, in particular to a four-wheel independent drive electric automobile hub motor waste heat power generation recycling system.
Background
The hub motors are directly arranged in the wheel hubs, the hub motors of all the wheels can be independently controlled, and the system has remarkable control advantages in the aspects of stability control, active safety and the like, but the working condition environment can cause that a large amount of heat can be generated when the hub motors work, if the hub motors can not timely dissipate heat, the performance of the hub motors can be affected, and the service life of the hub motors can be further shortened, the existing four-wheel independent drive electric automobile hub motor heat management system can not well utilize the waste heat generated when the hub motors work, how to innovatively provide a four-wheel independent drive electric automobile hub motor waste heat power generation recycling system, so that the four-wheel independent drive electric automobile can convert the heat generated when the hub motors work into electric energy through the waste heat power generation system and store the electric energy in the energy storage battery or supply power to the power utilization device to recycle the waste heat of the electric automobile hub motors, and simultaneously, the heat dissipation requirement of the hub motor is met, the performance of the hub motor is improved, and the problem to be solved in the field is urgently needed.
The utility model patent CN201811615612.6 provides a cooling system of an electric automobile hub motor and an electric automobile, and the defects of the utility model patent are as follows: only one set of cooling system is provided for the front end and the rear end hub motors, the problem of overhigh temperature of the rear hub is solved, the idea of recycling the heat of the hub motors is not provided, and the heat generated by the hub motors is dissipated through the radiator. Utility model patent ZL202023284215.0 provides an electric automobile wheel hub motor waste heat system of recycling, and this utility model patent not enough has: the heat recycling device only supplies heat to the passenger compartment by utilizing the waste heat generated by the hub motor in the low-temperature environment, and fails to solve the problem of recycling the heat of the hub motor in any environments such as high temperature and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a four-wheel independent drive electric automobile hub motor waste heat power generation recycling system, which aims to convert heat energy generated by the work of an hub motor into electric energy through the waste heat power generation system to be stored in an energy storage battery or supply power to a power utilization device so as to recycle the waste heat of the electric automobile hub motor, further cool the hub motor, improve the performance of the hub motor and improve the utilization rate of the energy.
A four-wheel independent drive electric automobile in-wheel motor waste heat power generation system of recycling includes: wheel hub motor cooling system and waste heat power generation system, wherein wheel hub motor cooling system includes: the cooling system comprises a front axle hub motor, a front axle hub motor cooling liquid inlet three-way pipe, a front axle hub motor cooling liquid outlet three-way pipe, a rear axle hub motor cooling liquid inlet three-way pipe, a rear axle hub motor cooling liquid outlet three-way pipe, a first water pump, a second water pump, a first three-way valve, a second three-way valve, a radiator, a cooling fan and a compensation water tank; the waste heat power generation system comprises: the device comprises a temperature difference power generation module, a DC-DC power supply module, an energy storage battery module and an electric device module. The hub motor cooling system and the waste heat power generation system are connected in series to form the whole waste heat power generation recycling system.
In the hub motor cooling system, the front and rear axle hub motors are provided with a hub motor cooling liquid inlet and a hub motor cooling liquid outlet, the hub motor cooling liquid inlets of the front and rear wheel hub motors are connected with a three-way pipe of the hub motor cooling liquid inlet through a pipeline, the front and rear axle hub motor cooling liquid outlets are connected with a three-way pipe of the hub motor cooling liquid outlet through a pipeline, the first water pump is arranged between a three-way pipe of the rear axle hub motor cooling liquid inlet and a second three-way valve through a pipeline, the second water pump is arranged between the three-way pipe of the front axle hub motor cooling liquid inlet and the second three-way valve through a pipeline, the second three-way valve is connected with the output end of the radiator, the input end of the radiator is connected with the output end of a thermoelectric generation module in the waste heat power generation system, and the compensation water tank is connected with the radiator through a pipeline, the input end of a temperature difference power generation module in the waste heat power generation system is connected with a first three-way valve, and the first three-way valve is connected with a three-way pipe of a cooling liquid outlet of a front axle hub motor and a three-way pipe of a cooling liquid outlet of a rear axle hub motor.
In the waste heat power generation system, an output electrode of the temperature difference power generation module is connected with a DC-DC power module, the output end of the DC-DC power module is connected with an energy storage battery and/or electric equipment, and the DC-DC power module is controlled to output different voltage levels by utilizing a CAN bus. The thermoelectric generation piece of the thermoelectric generation piece array in the thermoelectric generation module is a semiconductor thermoelectric generation piece, temperature difference is generated at the cold end and the hot end of the thermoelectric generation piece array, the cooling fin at the cold end is arranged outside the automobile, and the thermoelectric generation piece array outputs electric energy to the DC-DC power module.
When the electric automobile runs, the hub motors of the front wheel and the rear wheel can generate heat, cooling liquid flowing out of the hub motors of the front shaft and the rear shaft absorbs the heat generated by the hub motors, the heated cooling liquid passes through the first three-way valve and then passes through the temperature difference power generation module in the waste heat power generation system, the heat in the cooling liquid is transferred to the temperature difference power generation sheet array in the temperature difference power generation module, the temperature difference is generated at the cold end and the hot end of the temperature difference power generation sheet array, the temperature difference power generation sheet array outputs electric energy to the DC-DC power supply module, and the DC-DC power supply module outputs the electric energy to the energy storage battery and/or the electric equipment. The cooling liquid passing through the waste heat power generation system is further subjected to temperature control through the radiator, so that the temperature of the cooling liquid outputting the radiator can be in a proper range of the temperature of the cooling liquid inlet and outlet of the hub motor. The coolant passing through the radiator passes through one part of the second three-way valve and enters the front wheel hub motor coolant inlet three-way pipe through the second water pump, so as to enter the front wheel hub motor coolant inlet, and the coolant passing through the radiator passes through the other part of the second three-way valve and enters the rear wheel hub motor coolant inlet three-way pipe through the second water pump, so as to enter the rear wheel hub motor coolant inlet.
The first water pump and the second water pump can realize the control of the flow of the cooling liquid according to the difference of the control methods of the front wheel hub motor and the rear wheel hub motor, the cooling fan can also realize the real-time control of the rotating speed of the fan according to the difference of the control methods, and further control the control of the outlet water temperature of the cooling liquid of the wheel hub motor, so that the inlet and outlet temperature of the cooling liquid of the wheel hub motor is in a proper range, the wheel hub motor is ensured to work at the optimal temperature, and further the wheel hub motor has better working conditions.
The four-wheel independent drive electric automobile hub motor waste heat power generation recycling system can convert heat energy into electric energy by using the waste heat power generation system, can control the temperature of cooling liquid in a proper temperature range through the cooling system, simultaneously realizes waste heat power generation and the cooling effect on the hub motor, and completes efficient integrated heat management and utilization of the hub motor cooling system and the waste heat power generation system.
Compared with the prior art and the method, the method has the following beneficial results:
the utility model provides a four-wheel independent drive electric automobile hub motor waste heat power generation recycling system, which enables waste heat generated during operation of a four-wheel independent drive electric automobile hub motor to be converted into electric energy through the system to be stored in an energy storage battery or to be supplied to an electric appliance for power utilization, meets the heat dissipation requirement of the hub motor, fully utilizes the waste heat generated by the hub motor, improves the utilization rate of energy, and reduces the energy consumption of a whole automobile.
Drawings
FIG. 1 is a schematic structural diagram of a system for recycling waste heat power generation of an automobile hub motor of a four-wheel independent drive electric vehicle
In the figure: 1-front axle of electric automobile, 2-rear axle of electric automobile, 3-rear axle hub motor, 4-front axle hub motor, 5-rear axle hub motor coolant outlet three-way pipe, 6-front axle hub motor coolant outlet three-way pipe, 7-rear axle hub motor coolant inlet three-way pipe, 8-front axle hub motor coolant inlet three-way pipe, 9-first water pump, 10-second water pump, 11-radiator, 12-cooling fan, 13-compensating water tank, 14-temperature difference power generation module, 15-DC-DC power module, 16-energy storage battery, 17-power utilization equipment, 18-first three-way valve, 19-second three-way valve, 100-hub motor cooling system, 301-rear axle hub motor coolant outlet, 302-rear axle hub motor coolant inlet, 401-front axle hub motor cooling liquid outlet, 402-front axle hub motor cooling liquid inlet, and 200-waste heat power generation system.
Detailed Description
The technical solution of the present invention will be further explained in detail with reference to the accompanying drawings.
As shown in FIG. 1, the utility model provides a four-wheel independent drive electric automobile hub motor waste heat power generation recycling system. Four-wheel independent drive electric automobile in-wheel motor waste heat power generation system of recycling includes: wheel hub motor cooling system 100 and cogeneration system 200, wheel hub motor cooling system 100 includes: the system comprises a rear axle hub motor 3, a front axle hub motor 4, a rear axle hub motor coolant outlet three-way pipe 5, a front axle hub motor coolant outlet three-way pipe 6, a rear axle hub motor coolant inlet three-way pipe 7, a front axle hub motor coolant inlet three-way pipe 8, a first water pump 9, a second water pump 10, a radiator 11, a cooling fan 12, a compensation water tank 13, a first three-way valve 18 and a second three-way valve 19; the cogeneration system 200 includes: the thermoelectric generation module 14, the DC-DC power module 15, the energy storage battery 16 and the electric equipment 17. The hub motor cooling system 100 and the waste heat power generation system 200 are connected in series to form a whole waste heat power generation recycling system.
As shown in fig. 1, in the in-wheel motor cooling system 100, the rear-axle in-wheel motor 3 has a rear-axle in-wheel motor coolant inlet 302 and a rear-axle in-wheel motor coolant outlet 301, the rear-axle in-wheel motor coolant inlet 302 of the rear-axle in-wheel motor 3 is in pipe connection with the rear-axle in-wheel motor coolant inlet three-way pipe 7, the rear-axle in-wheel motor coolant outlet 301 of the rear-axle in-wheel motor 3 is in pipe connection with the rear-axle in-wheel motor coolant outlet three-way pipe 5, the front-axle in-wheel motor 4 has a front-axle in-wheel motor coolant inlet 402 and a front-axle in-wheel motor coolant outlet 401, the front-axle in-wheel motor coolant inlet 402 of the front-axle in-wheel motor 4 is in pipe connection with the front-axle in-wheel motor coolant inlet three-way pipe 8, the front-axle in-wheel motor coolant outlet 401 of the front-axle in-wheel motor 4 is in pipe connection with the front-axle in-wheel motor coolant outlet 6, the first three-way pipe 18 is arranged between the front axle hub motor coolant outlet three-way pipe 6 and the rear axle hub motor coolant outlet three-way pipe 5 and the thermoelectric generation module 14 in the waste heat power generation system 200, the radiator 11 is arranged between the thermoelectric generation module 14 and the second three-way pipe 19 in the waste heat power generation system 200, the compensation water tank 13 is connected with the radiator 11 through a pipeline, and the second three-way pipe 19 is connected with the rear axle hub motor coolant inlet three-way pipe 7 and the front axle hub motor coolant inlet three-way pipe 8 through pipelines.
In the waste heat power generation system 200, the coolant from the first three-way pipe 18 after being heated passes through the thermoelectric generation module 14, the thermoelectric generation module 14 contains thermoelectric generation pieces of a thermoelectric generation piece array, the thermoelectric generation piece array generates cold and hot temperature difference between the heated coolant and the external temperature, the thermoelectric generation piece array outputs electric energy to the DC-DC power supply module 15, and the DC-DC power supply module 15 outputs electric energy to the energy storage battery 16 or the electric equipment 17.
In an embodiment, the first water pump 9 and the second water pump 10 may control the flow rate of the cooling liquid according to different control methods, and the cooling fan 12 may also control the rotation speed of the fan in real time according to different control methods, so as to control the outlet water temperature of the cooling liquid of the rear axle hub motor 3 and the front axle hub motor 4, so that the inlet and outlet temperatures of the cooling liquid of the rear axle hub motor 3 and the front axle hub motor 4 are in a proper range, thereby ensuring that the rear axle hub motor 3 and the front axle hub motor 4 operate at an optimal temperature, and further providing better operating conditions.
This use novel patent to provide a four-wheel independent drive electric automobile wheel hub motor waste heat power generation system of recycling. The four-wheel independent drive electric automobile hub motor waste heat power generation recycling system can convert heat energy into electric energy by using a waste heat power generation system, can control the temperature of cooling liquid at a proper temperature through a cooling system, simultaneously realizes waste heat power generation and the cooling effect on a hub motor, and completes efficient integrated heat management and utilization of the hub motor cooling system and the waste heat power generation system.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is directed to specific embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (2)
1. The utility model provides a four-wheel independent drive electric automobile in-wheel motor waste heat power generation system of recycling which characterized in that includes: wheel hub motor cooling system and waste heat power generation system, wherein wheel hub motor cooling system includes: the cooling system comprises a front axle hub motor, a front axle hub motor cooling liquid inlet three-way pipe, a front axle hub motor cooling liquid outlet three-way pipe, a rear axle hub motor cooling liquid inlet three-way pipe, a rear axle hub motor cooling liquid outlet three-way pipe, a first water pump, a second water pump, a first three-way valve, a second three-way valve, a radiator, a cooling fan and a compensation water tank; the waste heat power generation system comprises: the device comprises a temperature difference power generation module, a DC-DC power supply module, an energy storage battery module and an electric device module; the hub motor cooling system and the waste heat power generation system are connected in series to form the whole waste heat power generation recycling system.
2. The system of claim 1, wherein the front and rear axle hub motors of the in-wheel motor cooling system have an in-wheel motor coolant inlet and an in-wheel motor coolant outlet, the in-wheel motor coolant inlets of the front and rear wheel hub motors are connected to the in-wheel motor coolant inlet three-way pipe, the in-wheel motor coolant outlets of the front and rear axle hub motors are connected to the in-wheel motor coolant outlet three-way pipe, the first water pump is disposed between the in-wheel motor coolant inlet three-way pipe and a second three-way valve via a pipe, the second water pump is disposed between the in-wheel motor coolant inlet three-way pipe and a second three-way valve via a pipe, and the second three-way valve is connected to the output of the radiator, the input end of the radiator is connected with the output end of a temperature difference power generation module in the waste heat power generation system, the compensation water tank is connected with the radiator through a pipeline, the input end of the temperature difference power generation module in the waste heat power generation system is connected with a first three-way valve, and the first three-way valve is connected with a three-way pipe of a cooling liquid outlet of a front axle hub motor and a three-way pipe of a cooling liquid outlet of a rear axle hub motor; in the waste heat power generation system, an output electrode of the temperature difference power generation module is connected with a DC-DC power module, and an output end of the DC-DC power module is connected to an energy storage battery and/or electric equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134145.5U CN216231660U (en) | 2021-12-14 | 2021-12-14 | Four-wheel independent drive electric automobile hub motor waste heat power generation system of recycling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123134145.5U CN216231660U (en) | 2021-12-14 | 2021-12-14 | Four-wheel independent drive electric automobile hub motor waste heat power generation system of recycling |
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| CN216231660U true CN216231660U (en) | 2022-04-08 |
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| CN202123134145.5U Expired - Fee Related CN216231660U (en) | 2021-12-14 | 2021-12-14 | Four-wheel independent drive electric automobile hub motor waste heat power generation system of recycling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116278719A (en) * | 2023-04-10 | 2023-06-23 | 南京农业大学 | Hub motor cooling system and cooling method |
-
2021
- 2021-12-14 CN CN202123134145.5U patent/CN216231660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116278719A (en) * | 2023-04-10 | 2023-06-23 | 南京农业大学 | Hub motor cooling system and cooling method |
| CN116278719B (en) * | 2023-04-10 | 2024-04-23 | 南京农业大学 | Hub motor cooling system and cooling method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |