CN212289498U - Vehicle front end cooling module and cooling circulation system - Google Patents
Vehicle front end cooling module and cooling circulation system Download PDFInfo
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- CN212289498U CN212289498U CN202020449570.XU CN202020449570U CN212289498U CN 212289498 U CN212289498 U CN 212289498U CN 202020449570 U CN202020449570 U CN 202020449570U CN 212289498 U CN212289498 U CN 212289498U
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Abstract
The utility model discloses a vehicle front end cooling module and a cooling circulation system, which comprises a condenser for cooling the heat exchange and cooling of a main loop and a low-temperature radiator for heat exchange and cooling of a water-cooling inter-cooling system, wherein the outlet end of the condenser is provided with a cooling branch loop for communicating with a compressor in the cooling main loop; and a secondary heat exchanger is arranged at the outlet end of the low-temperature radiator and connected to the cooling branch loop, and the refrigerant in the cooling branch loop cools the cooling medium at the outlet end of the low-temperature radiator through the secondary heat exchanger. The utility model provides a cooling module sets up secondary heat exchanger through the exit end at low temperature radiator, utilizes the refrigerant in the cooling branch return circuit to cool off through the coolant of secondary heat exchanger to the low temperature radiator exit end to strengthen the heat transfer performance of cold system in the water-cooling, prevent that the engine inlet temperature is too high.
Description
Technical Field
The utility model relates to a vehicle cooling module technical field especially relates to a vehicle front end cooling module and cooling circulation system.
Background
For passenger vehicles employing turbocharged engines, an intercooling system must be provided to reduce the boosted air temperature. The intercooling system can be divided into a water cooling intercooling system and an air cooling intercooling system according to the classification of cooling media. The water-cooling intercooler system is generally composed of an intercooler, a low-temperature radiator, an electric water pump, an expansion pot and a pipeline, as shown in fig. 1. The low-temperature radiator is usually arranged at the front part of the engine room, is positioned behind the condenser and in front of the main radiator, and has completely independent functions.
The low-temperature radiator has the effects that the cooling liquid is cooled by utilizing the frontal wind of the vehicle, and the cooled cooling liquid enters the intercooler to cool the pressurized air. However, under the condition of idling, cold air flowing through the cooling module is completely sucked by the fan, the air quantity is small, and the challenge on the heat exchange performance of the intermediate-cooling system is greater; in addition, when the vehicle is accelerated suddenly, the temperature entering the intercooler rises rapidly, and the outlet temperature of the intercooler also changes suddenly, so that the air inlet temperature of the engine fluctuates, and the stable output of the power of the engine is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least one of the drawbacks of the prior art, the present invention provides a vehicle front end cooling module.
The utility model discloses a solve the technical scheme that its problem adopted and be:
a vehicle front end cooling module comprises a condenser for cooling a main loop in heat exchange and cooling and a low-temperature radiator for heat exchange and cooling of a water-cooling inter-cooling system, wherein a cooling branch loop for communicating a compressor in the main cooling loop is arranged at the outlet end of the condenser; and a secondary heat exchanger is arranged at the outlet end of the low-temperature radiator and connected to the cooling branch loop, and the refrigerant in the cooling branch loop cools the cooling medium at the outlet end of the low-temperature radiator through the secondary heat exchanger.
The utility model provides a cooling module sets up secondary heat exchanger through the exit end at low temperature radiator, utilizes the refrigerant in the cooling branch return circuit to cool off through the coolant of secondary heat exchanger to the low temperature radiator exit end to strengthen the heat transfer performance of cold system in the water-cooling, prevent that the engine inlet temperature is too high.
Further, a controller for controlling the flow of the coolant in the cooling branch circuit is arranged on the cooling branch circuit.
Therefore, the controller is arranged on the cooling branch loop, so that the controller is started to control the refrigerant in the cooling branch loop to cool the cooling medium at the outlet end of the low-temperature radiator through the secondary heat exchanger when the vehicle is idling and the vehicle is accelerated rapidly, the problem that the heat exchange performance of the intercooler is reduced due to insufficient air intake when the vehicle is idling is solved, the transient heat exchange performance of the intercooler is improved, the stability of the air inlet temperature of the engine is ensured, and the power of the engine is output stably.
Further, the controller is located between the condenser and the secondary heat exchanger.
Further, the controller is an electromagnetic valve.
Further, the cooling medium is cooling liquid.
Furthermore, the air conditioner also comprises a main radiator and a fan which are sequentially arranged behind the windward side of the condenser.
A cooling cycle system comprising: the cooling main loop comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected in series; the water-cooling intercooling system comprises an electric pump, an intercooler, an expansion pot and a low-temperature radiator which are sequentially connected in series; the two ends of the cooling branch loop are respectively connected to the outlet end of the condenser and the inlet end of the compressor; and the secondary heat exchanger is arranged at the outlet end of the low-temperature radiator, and the refrigerant in the cooling branch loop cools the cooling medium at the outlet end of the low-temperature radiator through the secondary heat exchanger.
The utility model provides a cooling circulation system cools off the coolant of low temperature radiator exit end through the secondary heat exchanger on the cooling branch return circuit to realize combining together of cooling major loop and the cold system in water-cooling, utilize the cooling major loop to improve the heat transfer performance of cold system in water-cooling, prevent that the engine inlet temperature is too high.
Further, a controller for controlling the flow of the coolant in the cooling branch circuit is arranged on the cooling branch circuit.
Further, the controller is located between the condenser and the secondary heat exchanger.
Further, the cooling medium is cooling liquid.
To sum up, the utility model provides a cooling module has following technological effect:
the cooling module cools the cooling liquid at the outlet end of the low-temperature radiator by introducing the refrigerant of the condenser through the secondary heat exchanger, so that the cooling effect is improved, and the heat exchange performance of a water-cooling and inter-cooling system is enhanced; and the working state of the secondary heat exchanger is controlled by the electromagnetic valve, so that the idling heat exchange performance and the transient heat exchange performance of the water-cooling intercooling system are improved, the stability of the air inlet temperature of the engine is ensured, and the power of the engine is stably output.
Drawings
FIG. 1 is a schematic diagram of a frame of a water-cooling intercooling system in the background art;
fig. 2 is a schematic diagram of a frame of a cooling module according to an embodiment of the present invention;
fig. 3 is a schematic view of a cooling cycle in which the cooling module provided by the embodiment of the present invention is applied to a vehicle.
Wherein the reference numerals have the following meanings:
10. cooling the main loop; 11. a compressor; 12. a condenser; 13. an expansion valve; 14. an evaporator; 20. a water-cooled intercooling system; 21. an electric pump; 22. an intercooler; 23. an expansion pot; 24. a low temperature heat sink; 30. a cooling branch loop; 31. a controller; 32. a secondary heat exchanger; 40. a main heat radiator; 50. a fan.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "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 description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 2 and 3, the utility model discloses a vehicle front end cooling module, cooling module is applied to the cooling cycle system of vehicle. The cooling circulation system comprises a main cooling loop 10 and a water-cooling intercooling system 20; the cooling main loop 10 comprises a compressor 11, a condenser 12, an expansion valve 13 and an evaporator 14 which are sequentially connected in series, specifically, an outlet end of the compressor 11 is connected with an inlet end of the condenser 12, an outlet end of the condenser 12 is connected with an inlet end of the expansion valve 13, an outlet end of the expansion valve 13 is connected with an inlet end of the evaporator 14, and an outlet end of the evaporator 14 is connected with an inlet end of the compressor 11; the water-cooling intercooler system 20 comprises an electric pump 21, an intercooler 22, an expansion pot 23 and a low-temperature radiator 24 which are sequentially connected in series, specifically, an outlet end of the electric pump 21 is connected with an inlet end of the intercooler 22, an outlet end of the intercooler 22 is connected with an inlet end of the expansion pot 23, an outlet end of the expansion pot 23 is connected with an inlet end of the low-temperature radiator 24, and an outlet end of the low-temperature radiator 24 is connected with an inlet end of the electric pump 21.
Referring to fig. 2, wherein the cooling module includes the condenser 12, the low temperature radiator 24, a main radiator 40, and a fan 50; the condenser 12 is arranged at the front part of the cabin and is positioned at the rear side of a vehicle radiator grille, the vehicle windward enters the cabin from the grille and cools the condenser 12, and the main radiator 40 and the fan 50 are sequentially arranged behind the windward side of the condenser 12. The low-temperature radiator 24 is used for cooling the cooling medium of the vehicle by using the frontal wind of the vehicle, and the cooled cooling medium enters the intercooler 22 to cool the pressurized air.
Referring to fig. 3, in the present embodiment, the cooling circulation system further includes a cooling branch loop 30 for connecting the main cooling loop 10 and the intercooling system 20 to each other, so that the intercooling system 20 enhances its own heat exchange performance by means of the main cooling loop 10.
Specifically, the cooling branch loop 30 includes the compressor 11, the condenser 12, a controller 31, and a secondary heat exchanger 32, where the secondary heat exchanger 32 is further connected in series to the water-cooled intercooling system 20 and connected to an outlet end of the low-temperature radiator 24; the controller 31 and the secondary heat exchanger 32 are integrated on the cooling module. The secondary heat exchanger 32 has four ports, which are a hot inlet end, a hot outlet end, a cold inlet end and a cold outlet end, the outlet end of the condenser 12 is connected to the inlet end of the controller 31, the outlet end of the controller 31 is connected to the cold inlet end of the secondary heat exchanger 32, the cold outlet end of the secondary heat exchanger 32 is connected to the inlet end of the compressor 11, the outlet end of the low-temperature radiator 24 is connected to the hot inlet end of the secondary heat exchanger 32, and the hot outlet end of the secondary heat exchanger 32 is connected to the inlet end of the electric pump 21.
Thus, the controller 31 controls the refrigerant in the cooling branch circuit 30 to cool the cooling medium at the outlet end of the low temperature radiator 24 through the secondary heat exchanger 32, so as to enhance the heat exchange performance of the intercooler 22 and control the intake air temperature of the engine.
During the operation of the cooling module, the controller 31 has three operating states:
firstly, the controller 31 is kept in a fully open state, and at this time, the refrigerant in the cooling branch circuit 30 is kept cooling the cooling medium at the outlet end of the low-temperature radiator 24 all the time, so as to enhance the heat exchange performance of the water-cooling intercooling system 20 and prevent the intake air temperature of the engine from being too high;
secondly, the controller 31 is selectively opened, for example, the controller 31 is opened only when the vehicle is idling and the vehicle is suddenly accelerated, so that the cooling branch circuit 30 is controlled to work only when the vehicle is idling and the vehicle is suddenly accelerated, and is closed in other periods, so that the problem that the heat exchange performance of the intercooler 22 is reduced and the transient heat exchange performance of the intercooler 22 is improved due to insufficient air intake amount when the vehicle is idling is solved, the stability of the air inlet temperature of the engine is ensured, and the power of the engine is stably output;
thirdly, the controller 31 is opened by hierarchical adjustment or stepless adjustment, that is, the controller 31 is fully opened when the vehicle is idling and the vehicle is accelerated rapidly, and the coolant flux passing through the controller 31 is reduced in other periods, so as to control the cooling efficiency of the cooling branch circuit 30 on the low-temperature radiator 24, so that the stable and efficient cooling of the vehicle under various working conditions such as idling, low speed, high speed and the like is met, and the air inlet temperature of the engine is in a better working temperature range.
In this embodiment, the cooling medium is a cooling liquid, and under the condition of the same specification of the secondary heat exchanger 32, the heat exchange efficiency of the cooling liquid in the low-temperature radiator 24 in the secondary heat exchanger 32 is higher than that of air, so that the specification and size of the secondary heat exchanger 32 can be designed to be smaller, the space and weight occupied by the cooling module can be reduced, and the automobile production cost and the space in the automobile can be saved.
In combination with the arrangement of the cooling branch loop 30 and the arrangement of the position and shape of the low-temperature radiator 24, the controller 31 can select a second working state in the application process, so as to improve the idle heat exchange performance and the transient heat exchange performance of the water-cooling intercooling system 20 while maintaining the better heat exchange performance of the water-cooling intercooling system 20, ensure the stability of the intake temperature of the engine, and enable the power of the engine to be stably output; and the cooling branch loop 30 is not required to be kept in the working state all the time, so that the energy consumption is saved.
The working principle of the cooling module in the cooling circulation system is as follows:
when the vehicle normally runs, the water-cooling intercooling system 20 and the cooling main loop 10 respectively and independently work, the fan 50 normally sucks air to work, the vehicle head-on wind enters the cabin from the grille, and the condenser 12, the low-temperature radiator 24 and the main radiator 40 are respectively cooled by the vehicle head-on wind;
when the vehicle is idling or in rapid acceleration, the normal suction operation of the fan 50 is maintained, and the controller 31 is turned on, the coolant in the cooling branch loop 30 starts to circulate, the coolant at the outlet end of the condenser 12 enters the secondary heat exchanger 32 through the controller 31 and exchanges heat with the coolant in the secondary heat exchanger 32, the coolant flows back to the electric pump 21 from the hot outlet end of the secondary heat exchanger 32, and the coolant flows back to the compressor 11 from the cold outlet end of the secondary heat exchanger 32.
To sum up, the cooling module provided by the present invention cools the coolant at the outlet end of the low temperature radiator 24 by the refrigerant introduced into the condenser 12 through the secondary heat exchanger 32, and reduces the windward temperature of the low temperature radiator 24 by adjusting the shape and position of the low temperature radiator 24, so as to further improve the cooling effect and enhance the heat exchange performance of the water-cooling intercooling system 20; and the working state of the secondary heat exchanger 32 is controlled by the electromagnetic valve, so that the idling heat exchange performance and the transient heat exchange performance of the water-cooling intercooling system 20 are improved, the stability of the air inlet temperature of the engine is ensured, and the power of the engine is stably output.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (10)
1. A vehicle front end cooling module comprising a condenser (12) for heat exchange cooling of a primary loop (10) and a low temperature radiator (24) for heat exchange cooling of a water cooled intercooling system (20), characterized by:
a cooling branch loop (30) used for communicating with a compressor (11) in the cooling main loop (10) is arranged at the outlet end of the condenser (12);
the outlet end of the low-temperature radiator (24) is provided with a secondary heat exchanger (32), the secondary heat exchanger (32) is connected to the cooling branch loop (30), and the refrigerant in the cooling branch loop (30) cools the cooling medium at the outlet end of the low-temperature radiator (24) through the secondary heat exchanger (32).
2. The cooling module of claim 1, wherein: the cooling branch circuit (30) is provided with a controller (31) for controlling the flow of the coolant in the cooling branch circuit (30).
3. The cooling module of claim 2, wherein: the controller (31) is located between the condenser (12) and a secondary heat exchanger (32).
4. The cooling module of claim 3, wherein: the controller (31) is an electromagnetic valve.
5. The cooling module of claim 1, wherein: the cooling medium is cooling liquid.
6. The cooling module of claim 1, wherein: the air conditioner also comprises a main radiator (40) and a fan (50) which are sequentially arranged behind the windward side of the condenser (12).
7. A cooling cycle system, comprising:
the cooling system comprises a cooling main loop (10), wherein the cooling main loop (10) comprises a compressor (11), a condenser (12), an expansion valve (13) and an evaporator (14) which are sequentially connected in series;
the system comprises a water-cooling and inter-cooling system (20), wherein the water-cooling and inter-cooling system (20) comprises an electric pump (21), an inter-cooler (22), an expansion pot (23) and a low-temperature radiator (24) which are sequentially connected in series;
a cooling branch loop (30), wherein two ends of the cooling branch loop (30) are respectively connected to the outlet end of the condenser (12) and the inlet end of the compressor (11);
and a secondary heat exchanger (32) is connected to the cooling branch loop (30), the secondary heat exchanger (32) is arranged at the outlet end of the low-temperature radiator (24), and the refrigerant in the cooling branch loop (30) cools the cooling medium at the outlet end of the low-temperature radiator (24) through the secondary heat exchanger (32).
8. The cooling cycle system of claim 7, wherein: the cooling branch circuit (30) is also provided with a controller (31) for controlling the flow of the coolant in the cooling branch circuit (30).
9. The cooling cycle system of claim 8, wherein: the controller (31) is located between the condenser (12) and a secondary heat exchanger (32).
10. The cooling cycle system of claim 7, wherein: the cooling medium is cooling liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449570.XU CN212289498U (en) | 2020-03-31 | 2020-03-31 | Vehicle front end cooling module and cooling circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449570.XU CN212289498U (en) | 2020-03-31 | 2020-03-31 | Vehicle front end cooling module and cooling circulation system |
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| Publication Number | Publication Date |
|---|---|
| CN212289498U true CN212289498U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020449570.XU Active CN212289498U (en) | 2020-03-31 | 2020-03-31 | Vehicle front end cooling module and cooling circulation system |
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| CN (1) | CN212289498U (en) |
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- 2020-03-31 CN CN202020449570.XU patent/CN212289498U/en active Active
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