CN220009451U - Front end cooling module of hybrid vehicle and hybrid vehicle - Google Patents
Front end cooling module of hybrid vehicle and hybrid vehicle Download PDFInfo
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- CN220009451U CN220009451U CN202321321389.0U CN202321321389U CN220009451U CN 220009451 U CN220009451 U CN 220009451U CN 202321321389 U CN202321321389 U CN 202321321389U CN 220009451 U CN220009451 U CN 220009451U
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- cooling
- end cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 103
- 230000017525 heat dissipation Effects 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 6
- 238000004781 supercooling Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 claims 5
- 239000012080 ambient air Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000000110 cooling liquid Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides a front end cooling module of a hybrid vehicle and the hybrid vehicle. The front-end cooling module includes an intermediate heat sink, first and second heat sinks, and third and fourth heat sinks. The first radiator and the second radiator are arranged on the windward side of the middle radiator, and the first radiator and the second radiator are arranged in the same row. The third radiator and the fourth radiator are arranged on the air outlet side of the middle radiator, and the third radiator and the fourth radiator are arranged in the same row. In the scheme, the radiators are arranged in three rows from front to back, the number of rows is relatively small, and the space utilization rate is improved.
Description
Technical Field
The utility model relates to the technical field of cooling, in particular to a front end cooling module of a hybrid vehicle and the hybrid vehicle.
Background
With the development of integration of vehicles, components of a cooling system of a vehicle have begun to be developed in a modularized manner, for example, a front-end cooling module realizes the integration of the components of the cooling system. The front-end cooling module comprises a condenser, an intercooler, a radiator, a fan and the like, wherein the condenser is used for radiating heat of an air conditioning system of the vehicle, the intercooler is used for radiating heat of a turbocharging system, and the radiator is used for radiating heat of an engine system.
With the development of automobile technology, the automobile structure is more complex. Taking a hybrid electric vehicle as an example, the engine system and the electric drive system of the hybrid electric vehicle combine the advantages of the series-parallel type vehicles, and the engine adopts a direct drive clutch to determine the driving modes under different driving conditions through a control strategy, so that the engine and the motor are in the optimal working states. However, as the heat source components such as the electric drive system and the battery pack are added to the hybrid electric vehicle, the thermal management system of the power assembly has the characteristics of multiple heat sources, variable temperature and multiple temperature ranges, so that the number of parts needing heat dissipation is more, and the hybrid electric vehicle has more severe requirements on cooling performance.
Disclosure of Invention
The utility model provides a front-end cooling module of a hybrid vehicle and the hybrid vehicle, which can improve the space utilization rate and the cooling effect.
A front end cooling module of a hybrid vehicle, comprising:
an intermediate radiator;
the first radiator and the second radiator are arranged on the windward side of the middle radiator, and the first radiator and the second radiator are arranged in the same row; and
The third radiator and the fourth radiator are arranged on the air outlet side of the middle radiator, and the third radiator and the fourth radiator are arranged in the same row.
Optionally, the sum of the windward sides of the first radiator and the second radiator is smaller than the windward side of the intermediate radiator; and/or
The sum of windward sides of the third radiator and the fourth radiator is smaller than or equal to the air outlet side of the middle radiator.
Optionally, the supercooling region of the intermediate radiator is blocked by the first radiator and the second radiator by less than 1/3.
Optionally, the first radiator and the second radiator share the same radiating core, the radiating core is formed with a first refrigerant channel and a second refrigerant channel for cooling medium to flow in parallel, and the first refrigerant channel and the second refrigerant channel are isolated from each other.
Optionally, the heat dissipation capacity of the first heat sink is lower than the heat dissipation capacity of the third heat sink and/or the fourth heat sink; and/or
The heat dissipation capacity of the second radiator is lower than that of the third radiator and/or the fourth radiator.
Optionally, the first radiator and the second radiator are disposed at a forefront end of the front-end cooling module.
Optionally, the interval between the middle radiator and the first radiator and the second radiator arranged in the same row is 10-15 mm; and/or
The interval between the middle radiator and the third radiator and the fourth radiator which are arranged in the same row is 10-15 mm.
Optionally, the intermediate radiator comprises a condenser for cooling the power battery and realizing air conditioning refrigeration and heating; and/or
The first radiator comprises an intercooler for connecting with an outlet end of a supercharger of the fuel engine, and the intercooler is used for cooling an air inlet system of the fuel engine; and/or
The second radiator comprises an electric control system radiator for cooling an electric control system of the vehicle; and/or
The third radiator includes an engine radiator for cooling an engine of the vehicle; and/or
The fourth radiator includes a drive motor radiator for cooling a drive motor of the vehicle.
Optionally, the front end cooling module further includes a fan, and the fan is located at the rearmost end of the front end cooling module and is used for forming negative pressure on external airflow.
A hybrid vehicle comprising:
the vehicle body comprises a cabin and an air inlet grille arranged at the front end of the cabin; and
The front-end cooling module according to any one of the preceding claims, wherein the front-end cooling module is disposed in the nacelle and is opposite to the air intake grille.
The utility model provides a front-end cooling module of a vehicle and a hybrid vehicle, wherein a first radiator and a second radiator are arranged in front of an intermediate radiator and are arranged in the same row, a third radiator and a fourth radiator are arranged behind the intermediate radiator and are arranged in the same row, a plurality of radiators are arranged in three rows from front to back, the number of rows is relatively small, and the space utilization rate is improved.
Drawings
FIG. 1 is a schematic diagram of a front end cooling module of prior art I;
FIG. 2 is a schematic diagram of a front end cooling module of prior art II;
FIG. 3 is a schematic illustration of a hybrid vehicle according to an exemplary embodiment of the present utility model;
fig. 4 is a simplified diagram of a front end cooling module.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one, and the terms "a" and "an" are used individually. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper," "top," "bottom," and the like are merely for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a front end cooling module according to prior art i. FIG. 2 is a schematic diagram of a front end cooling module of prior art II.
As shown in fig. 1, to ensure the heat dissipation requirements of the driving motor, the generator and the power battery, two low-temperature radiators 1 are placed on the first layer, so that the windward side of the condenser 2 is blocked, the load of the compressor is larger under the condition of high Wen Papo, and the space between the condenser 2 and the high-temperature radiator 3 is wasted.
As shown in fig. 2, in order to ensure the heat dissipation requirement of the power battery, the first high-temperature radiator 3 for cooling the power battery is placed on the first layer, and the condenser 2 is placed on the second layer, but in order to ensure the heat dissipation requirement of the driving motor and the electric control system, the two low-temperature radiators 1 for cooling the driving motor and the electric control system are required to be placed before the second high-temperature radiator 4, and the air intake of the second high-temperature radiator 4 is blocked greatly by the scheme. In both of the schemes shown in fig. 1 and 2, the front end cooling module is complex in hierarchy and not high in space utilization.
Referring to fig. 3 and 4, fig. 3 is a schematic diagram of a hybrid vehicle 100 according to an exemplary embodiment of the utility model. Fig. 4 is a schematic diagram of the front end cooling module 20.
The present utility model provides a hybrid vehicle 100. The hybrid vehicle 100 may be a hybrid vehicle.
The hybrid vehicle 100 includes a vehicle body 10 and a front end cooling module 20 mounted in a cabin of the vehicle body 10. The body 10 further includes an air intake grille 11 provided at a front end of the cabin, the front of the air intake grille 11 being an air intake side, and the front-end cooling module 20 being provided in the cabin, behind the air intake grille 11, and an outside air flow being allowed to enter the cabin through the air intake grille 11. The front end cooling module 20 may be disposed directly opposite to the intake grill 11, but is not limited thereto.
Referring to fig. 4, the front-end cooling module 20 includes an intermediate radiator 21, a first radiator 22 and a second radiator 23 disposed on a windward side of the intermediate radiator, and a third radiator 24 and a fourth radiator 25 disposed on an air-out side of the intermediate radiator 21. The front end cooling module 20 may further include a frame to which the intermediate radiator 21, the first radiator 22, the second radiator 23, the third radiator 24, and the fourth radiator 25 are all fixed, thereby forming a modular structure. Wherein the first radiator 22 and the second radiator 23 are arranged in the same row and face the intake grille 11, and the third radiator 24 and the fourth radiator 25 are arranged in the same row.
As can be seen from the above description, the first radiator 22 and the second radiator 23 are arranged in front of the middle radiator 21 and in the same row, the third radiator 24 and the fourth radiator 25 are arranged behind the middle radiator 21 and in the same row, and the plurality of radiators are arranged in three rows from front to back, so that the number of rows is relatively small, which is beneficial to improving the space utilization.
In one embodiment, the intermediate radiator 21 is used to cool a first power source, including but not limited to a power battery, and the intermediate radiator 21 includes but is not limited to a condenser. In one embodiment, the sum of the windward sides of the first radiator 22 and the second radiator 23 is smaller than the windward side of the intermediate radiator 21, so that the windward side of the intermediate radiator 21 is not completely shielded, facilitating the unobstructed flow of air through the intermediate radiator 21.
In one embodiment, the sum of the windward sides of the third radiator 24 and the fourth radiator 25 is smaller than the air-out side of the intermediate radiator 21. In this way, in the orthographic projection along the thickness direction of the intermediate radiator 21, the outer contour lines of the third radiator 24 and the fourth radiator 25 do not exceed the outer contour line of the intermediate radiator 21, which is beneficial to reducing the volume of the front end cooling module 20 and further improving the space utilization rate.
In one embodiment, to improve the heat exchange efficiency of the intermediate radiator 21, a region of the supercooling region of the intermediate radiator 21, which is shielded by the first radiator 22 and the second radiator 23, may be set to be less than 1/3. So set up, the air current is circulated the supercooling zone of radiator 21 and is received less the hindrance, and the air current can fully carry out the heat exchange with the supercooling zone, promotes heat exchange efficiency.
In one embodiment, the first heat sink 22 and the second heat sink 23 are disposed at the foremost end of the front cooling module 20. So set up, the number of piles of the radiator of setting up the side of admitting air at intermediate radiator 21 is less, and this makes intermediate radiator 21 be close to air inlet grille 11 more, not only can satisfy first radiator 22 and second radiator 23 to the demand of amount of wind, can also satisfy intermediate radiator 21 to the demand of amount of wind.
In one embodiment, to further reduce the volumes of the first radiator 22 and the second radiator 23, the first radiator 22 and the second radiator 23 share the same heat dissipation core, and the heat dissipation core is formed with a first refrigerant channel and a second refrigerant channel for parallel circulation of the cooling medium, and the first refrigerant channel and the second refrigerant channel are isolated from each other. By the arrangement, the first radiator 22 and the second radiator 23 are highly integrated, the volume is relatively reduced, and the structure is more compact.
In one embodiment, the heat dissipation capacity of the first heat sink 22 is lower than the heat dissipation capacity of the third heat sink 24 and/or the fourth heat sink 25. The arrangement is that the heat dissipation core of the first radiator 22 can be relatively smaller, so that the size of the first radiator 22 and the area of the windward side can be correspondingly reduced, the area of the windward side of the middle radiator 21, which is shielded, can be reduced, and the heat exchange efficiency of the middle radiator 21 can be improved.
In one embodiment, the heat dissipation capacity of the second heat sink 23 is lower than the heat dissipation capacity of the third heat sink 24 and/or the fourth heat sink 25. The arrangement is that the heat dissipation core of the second radiator 23 can be relatively smaller, so that the volume of the second radiator 23 and the area of the windward side can be correspondingly reduced, the area of the windward side of the middle radiator 21, which is shielded, can be reduced, and the heat exchange efficiency of the middle radiator 21 can be improved.
In this embodiment, the heat dissipation capacity of the first heat sink 22 and the heat dissipation capacity of the second heat sink 23 are lower than the heat dissipation capacities of the third heat sink 24 and the fourth heat sink 25. That is, the first radiator 22 and the second radiator 23 are provided as low-temperature radiators for cooling the heat generating source having a small heat generation amount, and the third radiator 24 and the fourth radiator 25 are provided as high-temperature radiators for cooling the heat generating source having a large heat generation amount.
It should be noted that, in the embodiment where the first radiator 22 and the second radiator 23 share the same heat dissipation core, the volumes of the first radiator 22 and the second radiator 23 may be smaller, so that the area of the windward side of the intermediate radiator 21 blocked by the first radiator 22 and the second radiator 23 is smaller, and the supercooling region of the intermediate radiator 21 may be fully exposed.
In one embodiment, the intermediate radiator 21 is spaced 10-20 mm from the first radiator 22 and the second radiator 23 disposed in the same row. A larger separation distance results in an increased volume of the front end cooling module 20. In a specific embodiment, the separation distance may thus be set to 10mm, 12mm, 15mm, 18mm, 20mm.
In one embodiment, the intermediate radiator 21 is spaced 10-20 mm apart from the third radiator 24 and the fourth radiator 25 disposed in the same row. A larger separation distance results in an increased volume of the front end cooling module 20. In a specific embodiment, the separation distance may thus be set to 10mm, 12mm, 15mm, 18mm, 20mm.
In one embodiment, the first radiator 22 includes an intercooler for connecting to an outlet end of a supercharger of the fuel engine for cooling an intake system of the fuel engine. The intercooler may be a water-cooled intercooler.
In one embodiment, the second radiator 23 comprises an electronic control system radiator for cooling an electronic control system of the vehicle. The electronic control system radiator may be a water-cooled radiator.
In one embodiment, the third radiator 24 includes an engine radiator for cooling an engine of the vehicle. The engine generates a large amount of heat, and the third radiator 24 may be a high-temperature radiator having a high heat radiation capacity. The third radiator 24 may be a water-cooled radiator.
In one embodiment, the fourth radiator 25 includes a drive motor radiator for cooling a drive motor of the vehicle. The heat generation amount of the driving motor is large, and the fourth radiator 25 may be a high-temperature radiator having a high heat radiation capacity. The fourth radiator 25 may be an oil-cooled radiator.
In one embodiment, the front end cooling module 20 further includes a fan 26 disposed at the rearmost end, and the fan 26 is disposed at a side of the third radiator 24 and the fourth radiator 25 facing away from the intermediate radiator 21, and is disposed at the rearmost end of the front end cooling module 20, for forming a negative pressure on the external airflow. The fan 26 can accelerate the airflow to flow through each radiator, increase the airflow circulation rate, and improve the heat exchange efficiency between each radiator and the external airflow.
In one embodiment, the cooling circuit of the hybrid vehicle comprises an engine circulating water cooling circuit, a water air cooling circuit, a high-low voltage accessory and electric control cooling circuit, a driving motor oil cooling circuit and a power battery cooling circuit.
If the temperature of the water outlet of the engine is below 90.0 ℃, stopping the operation of the thermostat, and running the water jacket of the engine in a small circulation mode at the moment; if the temperature of the engine water outlet is above 90.0 ℃, the thermostat starts to operate, and the cooling liquid radiates heat through the third radiator 24, and then the operation is switched to a large circulation mode. Meanwhile, a water temperature signal at the outlet of the engine is input into the hybrid control unit HCU through a temperature sensor, the hybrid control unit HCU controls the fan 26 to be internally provided with a PWM controller to realize stepless speed regulation of the electronic fan, and the engine can keep the optimal temperature by flowing through the third radiator 24 with enough air quantity.
The air cooling loop can realize the air intake cooling of the turbocharged engine, and the air cooling mode is to integrate the first radiator 22 (the water cooling intercooler) into the air intake manifold, so that the structure is very compact, the cooling effect is obviously better than that of the traditional air cooling intercooler, the turbocharged pipeline can be shortened, and the air intake efficiency of the engine can be obviously improved.
The high-low voltage accessory and the electric control cooling loop are used for cooling the electric control system, the cooling temperature of the control box PEB of the electric control system is measured by the temperature sensor at the second radiator 23, and the cooling liquid flows out of the second radiator 23, flows through the DC/DC module and then flows into the electric control three-in-one module because the water inlet temperature of the DC/DC module is smaller than the water inlet temperature of the electric control three-in-one module. When the internal temperature of the control box PEB of the electric control system is low, the cooling loop water pump is not started; when the temperature of the PEB component of the control box of the electric control system is increased, the cooling pump starts to operate, the cooling liquid circulates among the PEB component of the control box of the electric control system, the low-temperature expansion water tank, the cooling pump and the second radiator 23, and the rotating speed of the cooling pump is regulated according to the temperature of the PEB component of the control box of the electric control system and the temperature of the cooling liquid, so that the flow rate of the low-temperature cooling system is controlled.
The driving motor oil cooling loop is used for cooling the driving motor, the cooling temperature of the driving motor is detected based on the temperature sensor, when the collected temperature signals are judged and analyzed, the internal oil pump is closed and the cooling oil does not participate in the circulating heat exchange work when the temperature is found to be lower. In case an increase in the temperature of the drive motor is detected, the cooling pump therein is operated and the cooling oil also starts to circulate, mainly in the closed circuit formed by the motor, the oil pump and the fourth radiator 25.
The power battery cooling loop is used for cooling the power battery, when the temperature of the power battery is lower, the cooling pump is stopped, and the temperature rise of the battery is detected, then the cooling pump is started under the control of the battery thermal management system so as to achieve the purpose of cooling, and the cooling liquid circulates in the corresponding closed loop to take away the heat of the battery. When the highest temperature of the power battery body is higher than the set value of 35.0 ℃, the battery cooling pump is started, and after the Chiller expansion valve is opened for 5 seconds, the intermediate radiator 21 (condenser) is opened, and heat exchange is performed and the cooling effect is achieved. And, the intermediate radiator 21 can also realize cooling and heating of the air conditioning system.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (10)
1. A front end cooling module for a hybrid vehicle, comprising:
an intermediate radiator;
the first radiator and the second radiator are arranged on the windward side of the middle radiator, and the first radiator and the second radiator are arranged in the same row; and
The third radiator and the fourth radiator are arranged on the air outlet side of the middle radiator, and the third radiator and the fourth radiator are arranged in the same row.
2. The front-end cooling module of claim 1, wherein a sum of windward sides of the first and second heat sinks is less than a windward side of the intermediate heat sink; and/or
The sum of windward sides of the third radiator and the fourth radiator is smaller than or equal to the air outlet side of the middle radiator.
3. The front end cooling module of claim 1, wherein the supercooling region of the intermediate radiator is shielded by the first and second radiators by less than 1/3.
4. The front-end cooling module of claim 1, wherein the first heat sink and the second heat sink share a same heat sink core, the heat sink core being formed with first and second coolant channels through which a cooling medium flows in parallel, the first and second coolant channels being isolated from each other.
5. The front end cooling module of claim 1, wherein the heat dissipation capacity of the first heat sink is lower than the heat dissipation capacity of the third heat sink and/or the fourth heat sink; and/or
The heat dissipation capacity of the second radiator is lower than that of the third radiator and/or the fourth radiator.
6. The front end cooling module of claim 1, wherein the first heat sink and the second heat sink are disposed at a forward most end of the front end cooling module.
7. The front end cooling module of claim 1, wherein the intermediate heat sink is spaced 10-15 mm from the first and second heat sinks disposed in the same row; and/or
The interval between the middle radiator and the third radiator and the fourth radiator which are arranged in the same row is 10-15 mm.
8. The front-end cooling module of claim 1, wherein the intermediate radiator comprises a condenser for cooling a power battery and for performing air conditioning cooling and heating; and/or
The first radiator comprises an intercooler for connecting with an outlet end of a supercharger of the fuel engine, and the intercooler is used for cooling an air inlet system of the fuel engine; and/or
The second radiator comprises an electric control system radiator for cooling an electric control system of the vehicle; and/or
The third radiator includes an engine radiator for cooling an engine of the vehicle; and/or
The fourth radiator includes a drive motor radiator for cooling a drive motor of the vehicle.
9. The front end cooling module of claim 1, further comprising a fan located at a rearmost end of the front end cooling module for creating a negative pressure to an ambient air flow.
10. A hybrid vehicle, characterized by comprising:
the vehicle body comprises a cabin and an air inlet grille arranged at the front end of the cabin; and
The front end cooling module of any one of claims 1 to 9 disposed within the nacelle opposite the air intake grille.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321389.0U CN220009451U (en) | 2023-05-26 | 2023-05-26 | Front end cooling module of hybrid vehicle and hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321389.0U CN220009451U (en) | 2023-05-26 | 2023-05-26 | Front end cooling module of hybrid vehicle and hybrid vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220009451U true CN220009451U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321321389.0U Active CN220009451U (en) | 2023-05-26 | 2023-05-26 | Front end cooling module of hybrid vehicle and hybrid vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220009451U (en) |
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2023
- 2023-05-26 CN CN202321321389.0U patent/CN220009451U/en active Active
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