CN110861485A - Hybrid vehicle radiator assembly, radiating system and method and hybrid vehicle - Google Patents
Hybrid vehicle radiator assembly, radiating system and method and hybrid vehicle Download PDFInfo
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- CN110861485A CN110861485A CN201911300654.5A CN201911300654A CN110861485A CN 110861485 A CN110861485 A CN 110861485A CN 201911300654 A CN201911300654 A CN 201911300654A CN 110861485 A CN110861485 A CN 110861485A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000000110 cooling liquid Substances 0.000 claims description 34
- 239000002826 coolant Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 5
- 239000012809 cooling fluid Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 12
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present disclosure relates to a hybrid vehicle radiator assembly, a heat dissipation system and method, and a hybrid vehicle. The hybrid vehicle radiator assembly comprises a frame, a fan, an engine intercooler, an engine water radiator, a generator radiator and a driving motor radiator; wherein, engine intercooler, engine water radiator, generator radiator and driving motor radiator all install on the same windward side. The radiator assembly of the hybrid vehicle realizes the integration of an engine intercooler, an engine water radiator, a generator radiator and a driving motor radiator, reduces the occupied space of the radiator while ensuring the cooling efficiency, and saves the internal space of the vehicle.
Description
Technical Field
The present disclosure relates to the field of hybrid vehicle technologies, and in particular, to a hybrid vehicle heat sink assembly, a heat dissipation system and a method thereof.
Background
Climate warming is a global problem today, the main cause of which is excessive carbon dioxide emissions, among which the data show that a high proportion of nearly 25% is the exhaust gas of automobiles. Therefore, the global automobile industry has paid particular attention to the research of new electric automobiles. The hybrid vehicle can realize low emission of the electric vehicle, can also exert high specific energy and specific power of petroleum fuel, and plays a role in starting and stopping in the process of converting a pure fuel vehicle into a pure electric vehicle. The range-extended hybrid electric vehicle comprises two power sources of a range extender and a power battery, wherein the main heat source component of the range-extended hybrid electric vehicle is provided with the range extender and a controller thereof, a driving motor and a controller thereof, and the range extender comprises an engine and a generator.
In some related technologies, the heat dissipation of the engine and the heat dissipation of the electric drive of the hybrid vehicle are separately arranged, so that the whole heat dissipation system has more parts and occupies the vehicle space; in other related art, hybrid vehicles integrate heat sink assemblies, each controlled by a separate electronic fan and controlled by 24V low voltage, resulting in a heat sink assembly that is bulky.
Disclosure of Invention
The inventor researches and discovers that the radiator assembly of the hybrid vehicle in the related art has the defect of large occupied space of the assembly.
In view of the above, embodiments of the present disclosure provide a hybrid vehicle radiator assembly, a heat dissipation system and method, and a hybrid vehicle, which can save the internal space of the vehicle.
In one aspect of the present disclosure, there is provided a hybrid vehicle radiator assembly, including:
a frame;
a fan mounted on the frame;
the engine intercooler is used for cooling the inlet air of the engine;
an engine water radiator for cooling intake water of the engine;
the generator radiator is used for cooling the generator; and
the driving motor radiator is used for cooling the driving motor;
the engine intercooler, the engine water radiator, the generator radiator and the driving motor radiator are all installed on the frame and located on the same side of the air inlet side and the air outlet side of the fan, and located on the same windward side.
In some embodiments, the engine intercooler, the engine water radiator, the generator radiator and the drive motor radiator are mounted on the frame in an up-down parallel manner.
In some embodiments, the fan is one, and the engine intercooler, the engine water radiator, the generator radiator, and the drive motor radiator are configured to share one fan to achieve heat dissipation.
In some embodiments, the drive voltage of the fan is greater than 36V.
In one aspect of the disclosure, a hybrid vehicle heat dissipation system is provided, which includes the hybrid vehicle radiator assembly described above.
In some embodiments, the cooling system further comprises a first water pump and an electromagnetic switch valve, wherein a liquid inlet of the first water pump is communicated with the cooling liquid outlet of the driving motor radiator, a liquid outlet of the first water pump is communicated with the cooling liquid inlet of the driving motor controller, a cooling liquid outlet of the driving motor controller is communicated with an inlet of the electromagnetic switch valve, an outlet of the electromagnetic switch valve is communicated with the cooling liquid inlet of the driving motor, and an outlet of the driving motor is communicated with the cooling liquid inlet of the driving motor radiator.
In some embodiments, the cooling system further comprises a first expansion tank and a filter, the filter is arranged on a passage between the cooling liquid outlet of the driving motor radiator and the liquid inlet of the first water pump, and the first expansion tank is installed between the cooling liquid outlet of the driving motor radiator and the cooling liquid inlet of the filter.
In some embodiments, the generator further comprises a second water pump, a liquid inlet of the second water pump is communicated with a cooling liquid outlet of the generator radiator, a liquid outlet of the second water pump is communicated with a cooling liquid inlet of the power source controller, a cooling liquid outlet of the power source controller is communicated with a cooling liquid inlet of the generator, and a cooling liquid outlet of the generator is communicated with a cooling liquid inlet of the generator radiator.
In some embodiments, the generator further comprises a second expansion water tank which is arranged between the cooling liquid outlet of the generator radiator and the liquid inlet of the second water pump.
In some embodiments, the vehicle control unit further comprises a CAN bus and a vehicle control unit, temperature sensors are arranged in the generator, the power source controller, the driving motor and the driving motor controller, and the vehicle control unit CAN control the starting and the rotating speed of the fan according to the internal temperatures of the generator, the driving motor and the driving motor controller obtained through the CAN bus and the temperature sensors.
In some embodiments, the number of the driving motors is at least two, the driving motors are arranged in parallel on the cooling flow path, the number of the electromagnetic switch valves is the same as that of the driving motors, and the cooling liquid conveying of each driving motor can be respectively switched on and off.
In an aspect of the present disclosure, there is provided a heat dissipation method of the heat dissipation system for a hybrid vehicle, including:
when the detection temperature of all the driving motors is lower than the preset alarm temperature X1, the electromagnetic switch valve does not act;
when the detection temperature of part of the driving motors is larger than or equal to the preset alarm temperature X1, the electromagnetic switch valve acts to cut off the cooling liquid delivery of the driving motors which do not exceed the preset alarm temperature X1 to increase the cooling liquid delivery of the driving motors which exceed the preset alarm temperature X1 until the detection temperature of all the driving motors is smaller than the preset alarm temperature X1.
In one aspect of the disclosure, a hybrid vehicle is provided, which includes the aforementioned hybrid vehicle heat dissipation system.
Therefore, according to the embodiment of the disclosure, the engine intercooler, the engine water radiator, the generator radiator and the driving motor radiator are all installed on the frame and located on the same side of the air inlet side and the air outlet side of the fan and located on the same windward side, so that integration of the engine intercooler, the engine water radiator, the generator radiator and the driving motor radiator is realized, the occupied space of the radiators is reduced while the cooling efficiency is ensured, and the internal space of the vehicle is saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of some embodiments of a hybrid vehicle radiator assembly according to the present disclosure;
fig. 2 is a schematic structural diagram of some embodiments of a hybrid vehicle heat dissipation system according to the present disclosure.
Description of the reference numerals
1. A frame; 2. a fan; 3. an engine intercooler; 4. an engine water radiator; 5. a generator heat sink; 6. a drive motor heat sink; 7. a second expansion tank; 8. a first expansion tank; 9. a filter; 10. a second water pump; 11. a first water pump; 12. a first drive motor controller; 13. a second drive motor controller; 14. a power source controller; 15. a first electromagnetic switch valve group; 16. a second electromagnetic switch valve group; 17. a first drive motor; 18. a second drive motor; 19. a third drive motor; 20. a fourth drive motor; 21. a vehicle control unit; 22. a fixed seat; 100. an engine; 200. an electric generator.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be intervening devices between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In one aspect of the present disclosure, there is provided a hybrid vehicle radiator assembly, referring to fig. 1, the hybrid vehicle radiator assembly including: a frame 1; a fan 2 mounted on the frame 1; an engine intercooler 3 for cooling intake air of the engine 100; an engine water radiator 4 for cooling intake water of the engine 100; a generator radiator 5 for cooling the generator 200; a drive motor radiator 6 for cooling the drive motor; and the fixed seats 22 are arranged on the left side and the right side of the frame 1, wherein the engine intercooler 3, the engine water radiator 4, the generator radiator 5 and the driving motor radiator 6 are all arranged on the frame 1 and positioned on the same side of the air inlet side and the air outlet side of the fan 2 and positioned on the same windward side.
As shown in fig. 1, all install engine intercooler 3, engine water radiator 4, generator radiator 5 and driving motor radiator 6 on frame 1 and be arranged in the same one side of fan 2's the air-in side and the air-out side, and be arranged in same windward side, realized engine intercooler 3, engine water radiator 4, integration of generator radiator 5 and driving motor radiator 6, four radiating part can not overlap in the wind direction and block, the occupation space of radiator has been reduced when guaranteeing cooling efficiency, vehicle inner space has been saved.
In some embodiments, the engine intercooler 3, the engine water radiator 4, the generator radiator 5 and the driving motor radiator 6 are all installed on the same windward side and can be arranged in a Chinese character tian-shaped manner, in other embodiments, as shown in fig. 1, the engine intercooler 3, the engine water radiator 4, the generator radiator 5 and the driving motor radiator 6 are installed on the frame 1 in a vertical parallel manner, so that the occupied space can be reduced, the left and right fixing and installation are convenient, and the integration reliability is high.
In order to reduce the wiring arrangement to simplify the space, in some embodiments, as shown in fig. 1, the fan 2 is one, and the engine intercooler 3, the engine water radiator 4, the generator radiator 5, and the drive motor radiator 6 are configured to share one fan 2 to achieve heat dissipation. The engine intercooler 3, the engine water radiator 4, the generator radiator 5 and the driving motor radiator 6 are matched to share the same fan 2, so that related fixing parts and the inner space of the vehicle are saved, and a heat dissipation control program is simplified. The fan 2 can be powered by a power battery of the hybrid vehicle, and in some embodiments, the driving voltage of the fan 2 is greater than 36V, and can be 110V, 220V or 550V, so as to meet the requirements of large heat dissipation power and small fan volume of the integrated heat sink assembly.
In one aspect of the disclosure, a hybrid vehicle heat dissipation system is provided, which includes the hybrid vehicle radiator assembly described above.
Fig. 2 shows a schematic structural diagram of some embodiments of the heat dissipation system of the hybrid vehicle of the present disclosure, as shown in fig. 2, the heat dissipation system of the hybrid vehicle further includes a first water pump 11 and an electromagnetic switch valve, the electromagnetic switch valve includes a first electromagnetic switch valve a1, a second electromagnetic switch valve a2, a third electromagnetic switch valve B1 and a fourth electromagnetic switch valve B2, a liquid inlet of the first water pump 11 is communicated with a coolant outlet of the driving motor radiator 6, a liquid outlet thereof is communicated with a coolant inlet of the driving motor controller, a coolant outlet of the driving motor controller is communicated with an inlet of the electromagnetic switch valve, an outlet of the electromagnetic switch valve is communicated with a coolant inlet of the driving motor radiator 6, and an outlet of the driving motor is communicated with a coolant inlet of the driving motor radiator 6. The embodiment adopts a serial cooling water path scheme that a precursor motor controller drives the motor again, is simple and effective, and optimizes the cooling water path.
As shown in fig. 2, in some embodiments, the hybrid vehicle heat dissipation system further includes a first expansion tank 8 and a filter 9, the filter 9 is disposed on a passage between the coolant outlet of the drive motor radiator 6 and the fluid inlet of the first water pump 11, and the first expansion tank 8 is installed between the coolant outlet of the drive motor radiator 6 and the coolant inlet of the filter 9. The first expansion tank 8 and the filter 9 ensure cooling reliability of the drive motor radiator 6.
Also based on the serial cooling water path scheme, in some embodiments, as shown in fig. 2, the hybrid vehicle heat dissipation system further includes a second water pump 10, a liquid inlet of the second water pump 10 is communicated with a cooling liquid outlet of the generator radiator 5, a liquid outlet thereof is communicated with a cooling liquid inlet of the power source controller 14, a cooling liquid outlet of the power source controller 14 is communicated with a cooling liquid inlet of the generator 200, and a cooling liquid outlet of the generator 200 is communicated with a cooling liquid inlet of the generator radiator 5. Simple and effective, has optimized the cooling water route. Also, in some embodiments, as shown in fig. 2, the hybrid vehicle heat dissipation system further includes a second expansion tank 7 installed between the coolant outlet of the generator radiator 5 and the fluid inlet of the second water pump 10, so as to ensure the cooling reliability of the generator radiator 5.
In the prior art, temperature information is acquired by a radiator inlet and outlet water temperature sensor, the number of sensors is large, the number of wire harnesses is large, the detected temperature value is not accurate enough, and in order to obtain accurate temperature information and reduce the arrangement of the wire harnesses, as shown in fig. 2, in some embodiments, the hybrid vehicle heat dissipation system further comprises a CAN bus and a vehicle controller 21, temperature sensors are arranged in the generator 200, the power source controller 14, the driving motor and the driving motor controller, and the vehicle controller 21 CAN control the starting and rotating speed of the fan 2 according to the internal temperatures of the generator 200, the power source controller 14, the driving motor and the driving motor controller obtained through the CAN bus and the temperature sensors. The vehicle control unit 21 directly reads the internal temperatures of the generator 200, the power source controller 14, the driving motor and the driving motor controller through the CAN bus, controls the rotating speed of the fan 2, realizes the adjustment of the air volume, saves a temperature sensor and a circuit arranged at the water inlet and the water outlet of the radiator, and accurately measures the temperature in real time.
Considering that there are a plurality of driving motors in the hybrid vehicle, in some embodiments, there are at least two driving motors and the driving motors are arranged in parallel on the cooling flow path, the number of the electromagnetic switch valves is the same as that of the driving motors, and the cooling liquid delivery to each driving motor can be switched on and off respectively. The driving motors are arranged in parallel and are correspondingly provided with the electromagnetic switch valves, when the internal temperature of part of the driving motors is overhigh, the cooling liquid of other driving motors which do not exceed the temperature threshold can be guided to the driving motor with overhigh temperature, and therefore the purpose of rapid cooling is achieved.
Taking the embodiment shown in fig. 2 as an example, as shown in fig. 2, the driving motor controller includes a first driving motor controller 12 and a second driving motor controller 13, a first electromagnetic switch valve a1 and a second electromagnetic switch valve a2 constitute a first electromagnetic switch valve group 15, a third electromagnetic switch valve B1 and a fourth electromagnetic switch valve B2 constitute a second electromagnetic switch valve group 16, the first water pump 11 pumps the cooling liquid filtered by the filter 9 to the first driving motor controller 12 and the second driving motor controller 13, respectively, and the cooling liquid flowing out from the outlet of the first driving motor controller 12 flows into the first driving motor 17 and the second driving motor 18 after passing through a first electromagnetic switch valve a1 and a second electromagnetic switch valve a2 in the first electromagnetic switch valve group 15, respectively; the coolant flowing out from the outlet of the second drive motor controller 13 flows into the third drive motor 19 and the fourth drive motor 20, respectively, after passing through the third electromagnetic opening/closing valve B1 and the fourth electromagnetic opening/closing valve B2 in the second electromagnetic opening/closing valve group 16. The cooling liquid flowing out from the four driving motor outlets is merged and flows back to the cooling liquid inlet of the driving motor radiator 6.
The control flow is as follows: when the first driving motor 17 works and the temperature rises, the temperature inside the first driving motor 17 is detected, and when the detected temperature is less than the preset alarm temperature X1, the first electromagnetic switch valve group 15 does not act, and the first driving motor 17 works normally; when the detected temperature is greater than or equal to the preset alarm temperature X1, the second driving motor 18 simultaneously performs internal temperature detection, if the internal temperature of the second driving motor 18 is less than X1, the first electromagnetic switch valve bank 15 operates, the first electromagnetic switch valve a1 does not change, the second electromagnetic switch valve a2 reverses, the cooling water path of the second driving motor 18 is closed, the flow rate of the cooling water path of the first driving motor 17 increases, the internal temperature of the first driving motor 17 decreases, when the internal temperature of the first driving motor 17 decreases less than X1, the first electromagnetic switch valve bank 15 operates, the first electromagnetic switch valve a1 does not change, the second electromagnetic switch valve a2 reverses, the cooling water path of the second driving motor 18 is opened, the flow rate of the cooling water path of the first driving motor 17 returns to normal, if the internal temperature of the second driving motor 18 is greater than X1, the vehicle controller 21 detects internal temperature values of the remaining driving motors (such as the third driving motor 19 and the fourth driving motor 20), and closing the cooling water channel of the drive motor, and detecting and controlling the control principle of the cooling water channel of the drive motor and the cooling water channel of the second drive motor 18. By adopting the electromagnetic switch valve, the flow of the cooling water channels of the at least two parallel driving motors is controlled according to the temperature alarm value of the driving motors, so that the driving motors are ensured to work within a reasonable temperature range, and the hybrid vehicle is ensured to run normally.
Based on the control flow, in an aspect of the present disclosure, a heat dissipation method of the heat dissipation system for the hybrid vehicle is provided, including:
when the detection temperature of all the driving motors is lower than the preset alarm temperature X1, the electromagnetic switch valve does not act;
when the detection temperature of part of the driving motors is larger than or equal to the preset alarm temperature X1, the electromagnetic switch valve acts to cut off the cooling liquid delivery of the driving motors which do not exceed the preset alarm temperature X1 to increase the cooling liquid delivery of the driving motors which exceed the preset alarm temperature X1 until the detection temperature of all the driving motors is smaller than the preset alarm temperature X1.
The embodiments of the hybrid vehicle heat dissipation system of the present disclosure described above may be applied to hybrid vehicles, particularly to extended range hybrid vehicles. Accordingly, the present disclosure provides a hybrid vehicle including the aforementioned hybrid vehicle heat dissipation system.
Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (13)
1. A hybrid vehicle radiator assembly, comprising:
a frame (1);
a fan (2) mounted on the frame (1);
an engine intercooler (3) for cooling intake air of the engine (100);
an engine water radiator (4) for cooling intake water of the engine (100);
a generator radiator (5) for cooling the generator (200); and
a drive motor radiator (6) for cooling the drive motor;
wherein, engine intercooler (3), engine water radiator (4), generator radiator (5) and driving motor radiator (6) are all installed frame (1) is gone up and is located same one side in the air-supply side and the air-out side of fan (2), and are located same windward side.
2. Hybrid vehicle radiator assembly according to claim 1, wherein the engine intercooler (3), the engine water radiator (4), the generator radiator (5) and the drive motor radiator (6) are mounted side-by-side up and down on the frame (1).
3. The hybrid vehicle radiator assembly according to claim 1, wherein the fan (2) is one, and the engine intercooler (3), the engine water radiator (4), the generator radiator (5), and the drive motor radiator (6) are configured to share one fan (2) to achieve heat radiation.
4. Hybrid vehicle radiator assembly according to claim 1, characterized in that the driving voltage of the fan (2) is greater than 36V.
5. A heat dissipation system for a hybrid vehicle, characterized by comprising the heat dissipation assembly for a hybrid vehicle according to any one of claims 1 to 4.
6. The heat dissipation system for hybrid vehicles according to claim 5, further comprising a first water pump (11) and an electromagnetic switch valve, wherein a fluid inlet of the first water pump (11) is communicated with a coolant outlet of the driving motor radiator (6), a fluid outlet thereof is communicated with a coolant inlet of a driving motor controller, a coolant outlet of the driving motor controller is communicated with an inlet of the electromagnetic switch valve, an outlet of the electromagnetic switch valve is communicated with a coolant inlet of a driving motor, and an outlet of the driving motor is communicated with a coolant inlet of the driving motor radiator (6).
7. The heat dissipation system for hybrid vehicles according to claim 6, further comprising a first expansion tank (8) and a filter (9), the filter (9) being disposed on a passage between a coolant outlet of the drive motor radiator (6) and a fluid inlet of the first water pump (11), the first expansion tank (8) being installed between the coolant outlet of the drive motor radiator (6) and the coolant inlet of the filter (9).
8. The heat dissipation system for hybrid vehicles according to claim 5, further comprising a second water pump (10), wherein a liquid inlet of the second water pump (10) is communicated with a coolant outlet of the generator radiator (5), a liquid outlet of the second water pump is communicated with a coolant inlet of a power source controller (14), a coolant outlet of the power source controller (14) is communicated with a coolant inlet of the generator (200), and a coolant outlet of the generator (200) is communicated with a coolant inlet of the generator radiator (5).
9. The heat dissipation system for hybrid vehicles according to claim 8, further comprising a second expansion tank (7) installed between a coolant outlet of the generator radiator (5) and an inlet of the second water pump (10).
10. The heat dissipation system for hybrid vehicles according to claim 5, further comprising a CAN bus and a vehicle control unit (21), wherein temperature sensors are arranged in the generator (200), the power source controller (14), the driving motor and the driving motor controller, and the vehicle control unit (21) CAN control the starting and the rotating speed of the fan (2) according to the internal temperatures of the generator (200), the driving motor and the driving motor controller obtained through the CAN bus and the temperature sensors.
11. The heat dissipation system for hybrid vehicles according to claim 6, wherein the number of the driving motors is at least two, the driving motors are arranged in parallel on the cooling flow path, the number of the electromagnetic switch valves is the same as that of the driving motors, and the cooling fluid delivery to each driving motor can be respectively switched on and off.
12. A heat dissipation method of a heat dissipation system for a hybrid vehicle according to claim 11, comprising:
when the detection temperature of all the driving motors is lower than the preset alarm temperature X1, the electromagnetic switch valve does not act;
when the detection temperature of part of the driving motors is larger than or equal to the preset alarm temperature X1, the electromagnetic switch valve acts to cut off the cooling liquid delivery of the driving motors which do not exceed the preset alarm temperature X1 to increase the cooling liquid delivery of the driving motors which exceed the preset alarm temperature X1 until the detection temperature of all the driving motors is smaller than the preset alarm temperature X1.
13. A hybrid vehicle comprising the heat dissipating system of the hybrid vehicle according to any one of claims 5 to 11.
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