CN114132141B - Cooling system of automobile engine compartment, use method and automobile - Google Patents
Cooling system of automobile engine compartment, use method and automobile Download PDFInfo
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- CN114132141B CN114132141B CN202111300547.XA CN202111300547A CN114132141B CN 114132141 B CN114132141 B CN 114132141B CN 202111300547 A CN202111300547 A CN 202111300547A CN 114132141 B CN114132141 B CN 114132141B
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- automobile
- heat exchange
- control valve
- exchange device
- air conditioner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention discloses a cooling system of an automobile engine compartment, a using method and an automobile, and relates to the technical field of cooling of the automobile engine compartment, wherein the cooling system comprises: the system comprises an automobile air conditioner, a first heat exchange device, a first control valve and a controller, wherein the first heat exchange device is arranged in an automobile engine compartment, an inlet of the first heat exchange device is connected with an outlet of the automobile air conditioner, and an outlet of the first heat exchange device is connected with an inlet of the automobile air conditioner; the inlet of the first control valve is connected with the outlet of the automobile air conditioner, and the outlet of the first control valve is connected with the inlet of the first heat exchange device; if the water temperature in the engine radiator is larger than the preset first water temperature, the controller is used for controlling the automobile air conditioner and the first control valve to be opened so that the first heat exchange device cools the automobile engine compartment. According to the invention, the automobile air conditioner and the first heat exchange device are used for cooling the automobile engine compartment, so that the temperature in the automobile engine compartment can be effectively reduced, and the risk of heat damage is reduced.
Description
Technical Field
The invention relates to the technical field of cooling of automobile engine compartments, in particular to a cooling system of an automobile engine compartment, a using method and an automobile.
Background
In the traditional fuel automobile engine compartment design, an engine body, a supercharger, a gearbox and the like are main heat sources. The automobile engine cabin mainly radiates heat for the engine and the supercharger through the radiator and the intercooler respectively, and the heat radiation in the engine cabin is promoted through the air intake obtained by the air inlet grille and the active air suction of the fan.
The engine has two main types of arrangements, one is arranged in front of the engine and the other is arranged behind the engine. The engine is arranged the cabin by the back and is compared and lean on the front arrangement in engine, and the distance grid is far away, and the amount of wind gets into and is weakened after the automobile engine cabin gradually, leads to reaching the amount of wind of heat source position such as engine, booster to reduce, and air temperature is higher to it is relatively poor to cause the radiating effect in the automobile engine cabin, and the temperature risees in the automobile engine cabin, thereby causes the environment spare around the engine easily to appear the heat evil risk.
Disclosure of Invention
The embodiment of the invention provides a cooling system of an automobile engine compartment, a using method and an automobile, which can solve the technical problems that in the prior art, the automobile engine compartment adopts a radiator and a intercooler to radiate heat, the radiating effect is general, and the risk of heat damage in the automobile engine compartment is easily caused.
In a first aspect, a cooling system for an engine compartment of an automobile is provided, the cooling system comprising:
an automotive air conditioner;
the first heat exchange device is arranged in an automobile engine compartment, an inlet of the first heat exchange device is connected with an outlet of the automobile air conditioner, and an outlet of the first heat exchange device is connected with an inlet of the automobile air conditioner;
an inlet of the first control valve is connected with an outlet of the automobile air conditioner, and an outlet of the first control valve is connected with an inlet of the first heat exchange device;
a controller configured to:
if the water temperature in the engine radiator is higher than a preset first water temperature, the controller is used for controlling the automobile air conditioner and the first control valve to be opened, so that the first heat exchange device cools an automobile engine compartment.
In some embodiments, the cooling system further comprises:
the second heat exchange device is arranged in an automobile engine compartment, an inlet of the second heat exchange device is connected with an outlet of the automobile air conditioner, and an outlet of the second heat exchange device is connected with an inlet of the automobile air conditioner;
an inlet of the second control valve is connected with an outlet of the automobile air conditioner, and an outlet of the second control valve is connected with an inlet of the second heat exchange device;
if the water temperature in the engine radiator is higher than a preset second water temperature, the controller is used for controlling the automobile air conditioner, the first control valve to be opened and the second control valve to be opened so that the first heat exchange device and the second heat exchange device cool an automobile engine compartment; and the preset second water temperature is greater than the preset first water temperature.
In some embodiments, the cooling system further comprises:
the inlet of the three-way control valve is connected with the outlet of the automobile air conditioner, and the first outlet of the three-way control valve is connected with the inlets of the first control valve and the second control valve;
the third heat exchange device is arranged in a passenger compartment of the automobile, an inlet of the third heat exchange device is connected with a second outlet of the three-way control valve, and an outlet of the third heat exchange device is connected with an inlet of the automobile air conditioner;
an inlet of the third control valve is connected with the second outlet of the three-way control valve, and an outlet of the third control valve is connected with an inlet of the third heat exchange device;
if the water temperature in the engine radiator is not greater than the preset first water temperature, the controller is used for controlling the automobile air conditioner to be opened, the first control valve to be closed, the second control valve to be closed and the third control valve to be opened according to the control instruction, so that the third heat exchange device cools the automobile passenger compartment.
In some embodiments, the second heat exchange device is disposed in an engine hood of an engine compartment of the vehicle.
In some embodiments, the first heat exchange device and the second heat exchange device are both folded-back heat exchange tubes.
In some embodiments, the first heat exchange device is arranged in a front wall sound insulation pad of an automobile engine cabin.
In a second aspect, a method for using a cooling system for an engine compartment of an automobile is provided, and the method for using the cooling system comprises the following steps:
if the water temperature in the engine radiator is higher than the preset first water temperature, the automobile air conditioner and the first control valve are controlled to be opened, and the first heat exchange device is enabled to cool the automobile engine compartment.
In some embodiments, the method of using further comprises:
if the water temperature in the engine radiator is higher than a preset second water temperature, controlling the automobile air conditioner, the first control valve to be opened and the second control valve to be opened, and enabling the second heat exchange device to cool the automobile engine compartment; wherein the preset second water temperature is greater than the preset first water temperature.
In some embodiments, the method of using further comprises:
if the water temperature in the engine radiator is not greater than the preset first water temperature, the automobile air conditioner is controlled to be started, the first control valve is controlled to be closed, the second control valve is controlled to be closed, and the third control valve is controlled to be opened according to the control instruction, so that the first heat exchange device and the second heat exchange device cool the passenger compartment of the automobile.
In a third aspect, an automobile is provided, which comprises the cooling system for the engine compartment of the automobile.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a cooling system of an automobile engine compartment, a use method and an automobile, wherein the cooling system is provided with a first heat exchange device in the automobile engine compartment, the first heat exchange device and an automobile air conditioner form a loop, when the water temperature in an engine radiator is higher than a preset first water temperature, the heat dissipation capacity of the engine radiator cannot meet the heat dissipation requirement of the automobile engine compartment, and a heat hazard risk exists.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a cooling system for an engine compartment of an automobile according to an embodiment of the present invention;
FIG. 2 is another schematic structural diagram of a cooling system for an engine compartment of an automobile according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cooling system for an engine compartment of an automobile according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a connection arrangement of a first heat exchange device and a cowl sound insulation pad according to an embodiment of the present invention;
in the figure: 1. an automotive air conditioner; 2. a first heat exchange means; 3. a first control valve; 4. a second heat exchange means; 5. a second control valve; 6. a three-way control valve; 7. a third heat exchange means; 8. a third control valve; 9. an automotive engine compartment; 10. a passenger compartment of the vehicle; 11. the front wall sound insulation pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides a cooling system for an automobile engine compartment, which can solve the technical problems that the automobile engine compartment adopts a radiator and a intercooler to radiate heat, the radiating effect is general, and the risk of heat damage in the automobile engine compartment is easily caused in the prior art.
Referring to fig. 1, an embodiment of the present invention provides a cooling system for an engine compartment of an automobile, where the cooling system includes: the system comprises an automobile air conditioner 1, a first heat exchange device 2, a first control valve 3 and a controller.
The first heat exchange device 2 is arranged in an automobile engine cabin 9, an inlet of the first heat exchange device 2 is connected with an outlet of the automobile air conditioner 1, and an outlet of the first heat exchange device 2 is connected with an inlet of the automobile air conditioner 1. The inlet of the first control valve 3 is connected with the outlet of the automobile air conditioner 1, and the outlet of the first control valve 3 is connected with the inlet of the first heat exchanging device 2.
The controller is configured to: if the water temperature in the engine radiator is higher than a preset first water temperature, the controller is used for controlling the automobile air conditioner 1 and the first control valve 3 to be opened, so that the first heat exchange device 2 cools the automobile engine compartment 9. Usually, a temperature sensor is arranged in the engine radiator, and the controller can acquire water temperature data measured by the temperature sensor in real time.
In the cooling system for the automobile engine compartment, the first heat exchange device 2 is arranged in the automobile engine compartment 9, the first heat exchange device 2 and the automobile air conditioner 1 form a loop, when the water temperature in the engine radiator is higher than the preset first water temperature, the fact that the heat dissipation capacity of the engine radiator cannot meet the heat dissipation requirement of the automobile engine compartment 9 is shown, and a heat hazard risk exists, at the moment, the automobile air conditioner 1 and the first control valve 3 are controlled to be opened, the automobile air conditioner 1 and the first heat exchange device 2 are used for cooling the automobile engine compartment 9, the temperature in the automobile engine compartment 9 can be effectively reduced, and the heat hazard risk is reduced.
Further, in an embodiment of the present invention, referring to fig. 2, the cooling system further includes: the second heat exchange device 4 is arranged in the automobile engine cabin 9, an inlet of the second heat exchange device 4 is connected with an outlet of the automobile air conditioner 1, and an outlet of the second heat exchange device 4 is connected with an inlet of the automobile air conditioner 1.
The inlet of the second control valve 5 is connected with the outlet of the vehicle air conditioner 1, and the outlet of the second control valve 5 is connected with the inlet of the second heat exchanging device 4.
If the water temperature in the engine radiator is larger than the preset second water temperature, the controller is used for controlling the automobile air conditioner 1, the first control valve 3 and the second control valve 5 to be opened, so that the first heat exchange device 2 and the second heat exchange device 4 cool the automobile engine cabin 9. And the preset second water temperature is greater than the preset first water temperature.
Specifically, if the first heat exchanging device 2 is used alone and still does not meet the heat dissipation requirement in the automobile engine compartment 9, a second heat exchanging device 4 is further arranged in the automobile engine compartment 9, the second heat exchanging device 4 is connected with the automobile air conditioner 1 after being connected with the first heat exchanging device 2 in parallel, the two heat exchanging devices simultaneously dissipate heat in the automobile engine compartment 9,
further, in an embodiment of the present invention, referring to fig. 3, the cooling system further includes: a three-way control valve 6, a third heat exchange device 7 and a third control valve 8.
The inlet of the three-way control valve 6 is connected with the outlet of the automobile air conditioner 1, and the first outlet of the three-way control valve 6 is connected with the inlets of the first control valve 3 and the second control valve 5.
The third heat exchange device 7 is arranged in the passenger compartment 10 of the automobile, an inlet of the third heat exchange device 7 is connected with a second outlet of the three-way control valve 6, and an outlet of the third heat exchange device 7 is connected with an inlet of the automobile air conditioner 1.
An inlet of the third control valve 8 is connected with a second outlet of the three-way control valve 6, and an outlet of the third control valve 8 is connected with an inlet of the third heat exchanging device 7.
If the water temperature in the engine radiator is not greater than the preset first water temperature, the controller is used for controlling the automobile air conditioner 1 to be opened, the first control valve 3 to be closed, the second control valve 5 to be closed and the third control valve 8 to be opened according to the control instruction, so that the third heat exchange device 7 cools the automobile passenger compartment 10.
Specifically, if the heat dissipation capability of the engine radiator can meet the heat dissipation requirement of the automobile engine compartment 9, the risk of heat damage does not exist, the automobile air conditioner 1 is turned off for the cooling function of the automobile engine compartment 9, the automobile engine is independently turned off for the cooling function of the automobile passenger compartment 10, and the original function of the automobile air conditioner 1 is not affected.
Further, in an embodiment of the present invention, the second heat exchanging device 4 is disposed in a hood of an engine compartment 9 of an automobile. Not only can achieve good cooling effect, but also does not influence the overall arrangement in the automobile engine compartment 9.
Furthermore, in an embodiment of the present invention, the first heat exchanging device 2 and the second heat exchanging device 4 are both folded heat exchanging tubes, so that the heat exchanging effect is good.
Further, in an embodiment of the present invention, the first heat exchanging device 2 is provided in a cowl sound insulating mat 11 of an engine compartment 9 of an automobile. Not only can achieve good cooling effect, but also does not influence the overall arrangement in the automobile engine compartment 9. Referring to fig. 4, the first heat exchanging device 2 is in a folded heat exchanging tube arrangement form, and a refrigerant of the vehicle air conditioner 1 enters from an upper side and flows out from a lower side. This kind of arrangement form on the one hand increases heat radiating area as far as, and on the other hand refrigerant flows from the top down, and hot air current flows from the bottom up in automobile engine cabin 9, better promotion heat transfer cooling.
The embodiment of the invention provides a use method of a cooling system of an automobile engine compartment 9, which comprises the following steps:
if the water temperature in the engine radiator is larger than the preset first water temperature, the automobile air conditioner 1 and the first control valve 3 are controlled to be opened, and the first heat exchange device 2 is enabled to cool the automobile engine compartment 9.
According to the use method of the cooling system of the automobile engine compartment, when the water temperature in the engine radiator is higher than the preset first water temperature, the fact that the heat dissipation capacity of the engine radiator cannot meet the heat dissipation requirement of the automobile engine compartment 9 is indicated, and heat damage risks exist, at the moment, the automobile air conditioner 1 and the first control valve 3 are controlled to be opened, the automobile air conditioner 1 and the first heat exchange device 2 are used for cooling the automobile engine compartment 9, the temperature in the automobile engine compartment 9 can be effectively reduced, and the heat damage risks are reduced.
Further, in an embodiment of the invention, the using method further comprises:
if the water temperature in the engine radiator is higher than a preset second water temperature, the automobile air conditioner 1, the first control valve 3 and the second control valve 5 are controlled to be opened, so that the first heat exchange device 2 and the second heat exchange device 4 cool the automobile engine compartment 9; wherein the preset second water temperature is greater than the preset first water temperature.
Specifically, if the first heat exchange device 2 is used alone and still does not meet the requirement of heat dissipation in the automobile engine compartment 9, a second heat exchange device 4 is further arranged in the automobile engine compartment 9, the second heat exchange device 4 is connected with the automobile air conditioner 1 after being connected with the first heat exchange device 2 in parallel, the two heat exchange devices simultaneously dissipate heat in the automobile engine compartment 9,
further, in an embodiment of the invention, the using method further comprises:
if the water temperature in the engine radiator is not greater than the preset first water temperature, the automobile air conditioner 1 is controlled to be opened, the first control valve 3 is controlled to be closed, the second control valve 5 is controlled to be closed, and the third control valve 8 is controlled to be opened according to the control instruction, so that the third heat exchange device 7 cools the automobile passenger compartment 10.
Specifically, if the heat dissipation capacity of the engine radiator can meet the heat dissipation requirement of the automobile engine compartment 9, the risk of heat damage does not exist, the automobile air conditioner 1 is closed for the function of cooling the automobile engine compartment 9, the automobile engine is independently cooled for the automobile passenger compartment 10, and the original function of the automobile air conditioner 1 is not affected.
The embodiment of the invention provides an automobile which comprises the cooling system of an engine compartment of the automobile. The cooling system includes: the system comprises an automobile air conditioner 1, a first heat exchange device 2, a first control valve 3 and a controller.
The first heat exchange device 2 is arranged in an automobile engine compartment 9, an inlet of the first heat exchange device 2 is connected with an outlet of the automobile air conditioner 1, and an outlet of the first heat exchange device 2 is connected with an inlet of the automobile air conditioner 1. The inlet of the first control valve 3 is connected with the outlet of the automobile air conditioner 1, and the outlet of the first control valve 3 is connected with the inlet of the first heat exchanging device 2.
The controller is configured to: if the water temperature in the engine radiator is larger than the preset first water temperature, the controller is used for controlling the automobile air conditioner 1 and the first control valve 3 to be opened, so that the first heat exchange device 2 cools the automobile engine compartment 9. Usually, a temperature sensor is arranged in the engine radiator, and the controller can acquire water temperature data measured by the temperature sensor in real time.
In the automobile in the embodiment of the invention, the first heat exchange device 2 is arranged in the automobile engine compartment 9 of the cooling system of the engine compartment, the first heat exchange device 2 and the automobile air conditioner 1 form a loop, when the water temperature in the engine radiator is greater than the preset first water temperature, the heat dissipation capability of the engine radiator cannot meet the heat dissipation requirement of the automobile engine compartment 9, and the heat hazard risk exists, at the moment, the automobile air conditioner 1 and the first control valve 3 are controlled to be opened, and the automobile air conditioner 1 and the first heat exchange device 2 are used for cooling the automobile engine compartment 9, so that the temperature in the automobile engine compartment 9 can be effectively reduced, and the heat hazard risk is reduced.
Further, in an embodiment of the present invention, referring to fig. 2, the cooling system further includes: and the second heat exchange device 4 is arranged in the automobile engine room 9, the inlet of the second heat exchange device 4 is connected with the outlet of the automobile air conditioner 1, and the outlet of the second heat exchange device 4 is connected with the inlet of the automobile air conditioner 1.
The inlet of the second control valve 5 is connected with the outlet of the automobile air conditioner 1, and the outlet of the second control valve 5 is connected with the inlet of the second heat exchanging device 4.
If the water temperature in the engine radiator is larger than the preset second water temperature, the controller is used for controlling the automobile air conditioner 1, the first control valve 3 and the second control valve 5 to be opened, so that the first heat exchange device 2 and the second heat exchange device 4 cool the automobile engine cabin 9. And the preset second water temperature is greater than the preset first water temperature.
Specifically, if the first heat exchanging device 2 is used alone and still does not meet the heat dissipation requirement in the automobile engine compartment 9, a second heat exchanging device 4 is further arranged in the automobile engine compartment 9, the second heat exchanging device 4 is connected with the automobile air conditioner 1 after being connected with the first heat exchanging device 2 in parallel, the two heat exchanging devices simultaneously dissipate heat in the automobile engine compartment 9,
further, in an embodiment of the present invention, referring to fig. 3, the cooling system further includes: a three-way control valve 6, a third heat exchange device 7 and a third control valve 8.
The inlet of the three-way control valve 6 is connected with the outlet of the automobile air conditioner 1, and the first outlet of the three-way control valve 6 is connected with the inlets of the first control valve 3 and the second control valve 5.
The third heat exchange device 7 is arranged in a passenger compartment 10 of the automobile, an inlet of the third heat exchange device 7 is connected with a second outlet of the three-way control valve 6, and an outlet of the third heat exchange device 7 is connected with an inlet of the automobile air conditioner 1.
An inlet of the third control valve 8 is connected with a second outlet of the three-way control valve 6, and an outlet of the third control valve 8 is connected with an inlet of the third heat exchanging device 7.
If the water temperature in the engine radiator is not greater than the preset first water temperature, the controller is used for controlling the automobile air conditioner 1 to be opened, the first control valve 3 to be closed, the second control valve 5 to be closed and the third control valve 8 to be opened according to the control instruction, so that the third heat exchange device 7 cools the automobile passenger compartment 10.
Specifically, if the heat dissipation capacity of the engine radiator can meet the heat dissipation requirement of the automobile engine compartment 9, the risk of heat damage does not exist, the automobile air conditioner 1 is closed for the function of cooling the automobile engine compartment 9, the automobile engine is independently cooled for the automobile passenger compartment 10, and the original function of the automobile air conditioner 1 is not affected.
Further, in an embodiment of the present invention, the second heat exchanging device 4 is disposed in a hood of an engine compartment 9 of an automobile. Not only can achieve good cooling effect, but also does not influence the overall arrangement in the automobile engine compartment 9.
Furthermore, in an embodiment of the present invention, the first heat exchanging device 2 and the second heat exchanging device 4 are both folded heat exchanging tubes, so that the heat exchanging effect is good.
Further, in an embodiment of the present invention, the first heat exchanging device 2 is provided in a cowl sound insulating mat 11 of an engine compartment 9 of an automobile. Not only can achieve good cooling effect, but also does not influence the whole arrangement in the automobile engine compartment 9. Referring to fig. 4, the first heat exchanging device 2 is in a folded heat exchanging tube arrangement form, and a refrigerant of the vehicle air conditioner 1 enters from an upper side and flows out from a lower side. This kind of arrangement form on the one hand increases heat radiating area as far as, and on the other hand refrigerant flows from top to bottom, and hot air current flows from bottom to top in automobile engine cabin 9, better promotion heat transfer cooling.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and 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, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely illustrative of particular embodiments of the invention that enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A cooling system for an automotive engine compartment, the cooling system comprising:
an automotive air conditioner (1);
the first heat exchange device (2) is arranged in an automobile engine compartment (9), an inlet of the first heat exchange device (2) is connected with an outlet of the automobile air conditioner (1), and an outlet of the first heat exchange device (2) is connected with an inlet of the automobile air conditioner (1);
the inlet of the first control valve (3) is connected with the outlet of the automobile air conditioner (1), and the outlet of the first control valve (3) is connected with the inlet of the first heat exchange device (2);
a controller configured to:
if the water temperature in the engine radiator is higher than a preset first water temperature, the controller is used for controlling the automobile air conditioner (1) and the first control valve (3) to be opened so that the first heat exchange device (2) cools an automobile engine compartment (9);
the cooling system further comprises:
the second heat exchange device (4) is arranged in an automobile engine compartment (9), an inlet of the second heat exchange device (4) is connected with an outlet of the automobile air conditioner (1), and an outlet of the second heat exchange device (4) is connected with an inlet of the automobile air conditioner (1);
an inlet of the second control valve (5) is connected with an outlet of the automobile air conditioner (1), and an outlet of the second control valve (5) is connected with an inlet of the second heat exchange device (4);
if the water temperature in the engine radiator is higher than a preset second water temperature, the controller is used for controlling the automobile air conditioner (1), the first control valve (3) to be opened and the second control valve (5) to be opened so as to enable the first heat exchange device (2) and the second heat exchange device (4) to cool an automobile engine compartment (9); and the preset second water temperature is greater than the preset first water temperature.
2. The cooling system for an engine compartment of an automobile according to claim 1, further comprising:
the inlet of the three-way control valve (6) is connected with the outlet of the automobile air conditioner (1), and the first outlet of the three-way control valve (6) is connected with the inlets of the first control valve (3) and the second control valve (5);
the third heat exchange device (7) is arranged in a passenger cabin (10) of the automobile, an inlet of the third heat exchange device (7) is connected with a second outlet of the three-way control valve (6), and an outlet of the third heat exchange device (7) is connected with an inlet of the automobile air conditioner (1);
an inlet of the third control valve (8) is connected with a second outlet of the three-way control valve (6), and an outlet of the third control valve (8) is connected with an inlet of the third heat exchange device (7);
if the water temperature in the engine radiator is not larger than a preset first water temperature, the controller is used for controlling the automobile air conditioner (1) to be opened, the first control valve (3) to be closed, the second control valve (5) to be closed and the third control valve (8) to be opened according to a control instruction, so that the third heat exchange device (7) cools the automobile passenger compartment (10).
3. The cooling system for an engine compartment of an automobile according to claim 1, wherein: the second heat exchange device (4) is arranged in a hood of an automobile engine cabin (9).
4. The cooling system for an engine compartment of an automobile according to claim 1, wherein: the first heat exchange device (2) and the second heat exchange device (4) are both folded heat exchange tubes.
5. The cooling system for an engine compartment of an automobile according to claim 1, wherein: the first heat exchange device (2) is arranged in a front wall sound insulation pad (11) of an automobile engine compartment (9).
6. A method of using the cooling system for an automobile engine compartment of claim 1, the method comprising:
if the water temperature in the engine radiator is higher than a preset first water temperature, the automobile air conditioner (1) and the first control valve (3) are controlled to be opened, so that the first heat exchange device (2) cools an automobile engine compartment (9);
if the water temperature in the engine radiator is higher than a preset second water temperature, the automobile air conditioner (1), the first control valve (3) and the second control valve (5) are controlled to be opened, so that the second heat exchange device (4) cools an automobile engine compartment (9); wherein the preset second water temperature is greater than the preset first water temperature.
7. The method of using the cooling system for an automotive engine compartment of claim 6, further comprising:
if the water temperature in the engine radiator is not greater than the preset first water temperature, the automobile air conditioner (1) is controlled to be opened, the first control valve (3) is controlled to be closed, the second control valve (5) is controlled to be closed, and the third control valve (8) is controlled to be opened according to the control instruction, so that the first heat exchange device (2) and the second heat exchange device (4) cool the automobile passenger compartment (10).
8. An automobile, characterized by comprising the cooling system for an engine room of an automobile according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111300547.XA CN114132141B (en) | 2021-11-04 | 2021-11-04 | Cooling system of automobile engine compartment, use method and automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111300547.XA CN114132141B (en) | 2021-11-04 | 2021-11-04 | Cooling system of automobile engine compartment, use method and automobile |
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| CN114132141A CN114132141A (en) | 2022-03-04 |
| CN114132141B true CN114132141B (en) | 2023-03-17 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104802618A (en) * | 2015-05-11 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Heat exchange control system and method for automobile air conditioner |
| CN112687910A (en) * | 2020-12-25 | 2021-04-20 | 中国第一汽车股份有限公司 | Cold start control system and method for automobile fuel cell |
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| JP2008208754A (en) * | 2007-02-26 | 2008-09-11 | Toyota Motor Corp | Vehicle and vehicle controlling method |
| US20140224448A1 (en) * | 2013-02-14 | 2014-08-14 | Computational Sciences Experts Group, LLC | HVAC Airbox Systems and Methods |
| GB2512143A (en) * | 2013-03-22 | 2014-09-24 | Daimler Ag | Cooling device for cooling an engine compartment of a motor vehicle and motor vehicle |
| CN206555010U (en) * | 2017-02-23 | 2017-10-13 | 宁波吉利罗佑发动机零部件有限公司 | Device for cooling in a kind of car engine air admittance |
| CN110450623A (en) * | 2019-08-09 | 2019-11-15 | 王宇丽 | A kind of visitor's heat radiating apparatus for vehicle |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802618A (en) * | 2015-05-11 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Heat exchange control system and method for automobile air conditioner |
| CN112687910A (en) * | 2020-12-25 | 2021-04-20 | 中国第一汽车股份有限公司 | Cold start control system and method for automobile fuel cell |
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