CN109823137B - Air conditioner for passenger car - Google Patents
Air conditioner for passenger car Download PDFInfo
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- CN109823137B CN109823137B CN201910069987.5A CN201910069987A CN109823137B CN 109823137 B CN109823137 B CN 109823137B CN 201910069987 A CN201910069987 A CN 201910069987A CN 109823137 B CN109823137 B CN 109823137B
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Abstract
The invention provides a built-in bus air conditioner, comprising: the frame structure (1), the frame structure (1) is built in the trunk of the passenger car; the frame structure (1) comprises an upper layer structure (2) and a lower layer structure (3); the upper layer structure (2) is provided with an air outlet and an air return opening (6) which face the interior of the carriage, the air outlet is used for supplying air to the interior of the carriage, and the air return opening (6) is used for sucking air in the carriage; the lower layer structure (3) is provided with a heat dissipation port (7) facing the outside of the vehicle body. The passenger car air conditioner provided by the invention adopts a modular structure, has a compact structure, effectively reduces the weight and the whole height of the passenger car air conditioner, and is beneficial to the development of the whole shape of the passenger car. The air conditioner is arranged in the tail box of the passenger car, the rear window of the passenger car is not shielded, the lighting of the carriage of the passenger car is not affected, and the built-in design can also reduce the probability of entering sundries and reduce the failure rate.
Description
Technical Field
The invention belongs to the technical field of vehicle air conditioners, and particularly relates to a passenger car air conditioner.
Background
In the prior art, the air conditioner of the passenger car is mainly in a top-mounted type or a back-mounted type.
The overhead air conditioner is arranged on the roof of a passenger car, condensed return air and an air outlet are both positioned on the roof, the work of an external fan is easily influenced in rainy and snowy days, and impurities are easy to enter to cause faults. Because the air outlet of the evaporator is positioned at the top of the internal compartment, hot air is not easy to blow downwards, and the compartment is hot from top to bottom and cold in winter, so that the heating effect is poor. And the overhead air conditioner protrudes out of the car roof after being installed, the height of the whole car is increased, the wind resistance of the bus is increased, and the external shape of the bus is influenced. The back-mounted air conditioner has a large unit, usually occupies the whole tail space, and the rear window of the passenger car is shielded, so that the lighting and the permeability are influenced.
Both the overhead air conditioner and the back air conditioner adopt single air duct for air supply, an upper air supply mode is adopted for heating in winter, the heating effect is poor, and the riding comfort is influenced.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a passenger car air conditioner which is modular in design, compact in structure, built in the tail of a passenger car and free from shielding a rear window.
In order to solve the above problems, the present invention provides a passenger car air conditioner including:
the frame structure is arranged in the passenger car tail box;
the frame structure is used for installing a passenger car air conditioner body.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, the frame structure comprises an upper layer structure and a lower layer structure; the upper layer structure is provided with an air outlet and an air return opening which are communicated with the interior of the carriage, the air outlet is used for supplying air to the interior of the carriage, and the air return opening is used for sucking air in the carriage;
the lower layer structure is provided with a heat dissipation opening communicated with the outside of the vehicle body.
Preferably, the air outlet comprises a refrigerating air outlet and a heating air outlet; the refrigerating air outlet is arranged on the upper side surface of the upper-layer structure facing the direction of the roof of the passenger car; and/or the heating air outlet is arranged on the front side surface of the upper-layer structure facing the direction of the head of the passenger car.
Preferably, the refrigeration air outlet is communicated with an upper air duct at the upper part of the carriage of the passenger car through a transition air duct; and/or the heating air outlet 5 is communicated with a lower air duct at the lower part of the carriage of the passenger car.
Preferably, the return air inlet is arranged on the front side face of the upper-layer structure towards the direction of the head of the passenger car.
Preferably, the heat dissipation ports are arranged on two side faces of the lower-layer structure along the width direction of the passenger car; and/or on the bottom surface of the understructure facing the bottom of the passenger vehicle.
Preferably, the number of the refrigeration air outlets is two, and the two refrigeration air outlets are respectively arranged at two ends of the upper side surface of the upper-layer structure along the width direction of the passenger car; and/or two heating air outlets are respectively arranged at two ends of the front side surface of the upper layer structure along the width direction of the passenger car; and/or the return air inlet is arranged in the middle of the front side surface.
Preferably, the two refrigeration air outlets independently control air outlet through a first air valve and a second air valve respectively, and the two heating air outlets independently control air outlet through a third air valve and a fourth air valve respectively.
Preferably, the frame structure is arranged below the rear seats of the passenger car.
Preferably, the passenger car air conditioner body comprises an in-car heat exchange cabin and an electric control cabin which are arranged in the upper layer structure; the heat exchange device further comprises an outside heat exchange cabin and a compression cabin which are arranged in the lower layer structure.
Preferably, the electric control cabin comprises a driving controller, a power supply module and an electric controller, and the electric control cabin is arranged between the air return opening and the heat exchange cabin in the vehicle.
Preferably, an in-vehicle heat exchanger and an evaporation fan are arranged in the in-vehicle heat exchange cabin, and the in-vehicle heat exchanger is arranged between the electric control cabin and the evaporation fan.
Preferably, the heat exchange cabin outside the vehicle comprises a heat exchanger outside the vehicle and a condensation fan, and the condensation fan is arranged between the heat dissipation port and the heat exchanger outside the vehicle.
Preferably, the compressor cabin comprises a compressor, a four-way valve and an electronic expansion valve, and the compressor, the four-way valve and the electronic expansion valve are installed on a steel frame at the bottom of the vehicle body.
Preferably, the electric control cabin is arranged at the front part of the upper-layer structure facing the direction of the vehicle head, and the in-vehicle heat exchange cabin is arranged at the rear part of the upper-layer structure facing the direction of the vehicle head; and/or the heat exchange cabin outside the vehicle is arranged at the rear part of the lower layer structure towards the direction of the vehicle head, and the compression cabin is arranged at the front part of the lower layer structure towards the direction of the vehicle head.
Preferably, the vehicle interior heat exchanger, the vehicle exterior heat exchanger and the compressor are respectively connected to the four-way valve, and the vehicle exterior heat exchanger and the vehicle interior heat exchanger are connected through the electronic expansion valve.
Preferably, the lower-layer structure is further provided with a motor heat management cabin, and the motor heat management cabin is arranged on one side of the heat exchange cabin outside the vehicle and used for recovering heat of the motor to enhance heating of the air conditioner body of the passenger vehicle in the heating mode.
Preferably, the motor heat management cabin comprises a water-cooling heat exchanger, a motor radiator, a water pump and an expansion water tank.
Preferably, the heat exchanger outside the vehicle and the electronic expansion valve are connected in series to form a condensation branch, two ends of a heat exchange pipeline of the water-cooling heat exchanger are respectively connected with two ends of the condensation branch, the other heat exchange pipeline of the water-cooling heat exchanger is connected with the motor radiator in parallel to form a motor heat dissipation branch, the motor heat dissipation branch is connected with the water pump, the motor and the motor controller in series, and the motor heat dissipation branch is further connected with the expansion water tank.
The passenger car air conditioner provided by the invention at least has the following beneficial effects:
the passenger car air conditioner provided by the invention adopts a modular structure, the total height of the whole car is unchanged after installation, the air conditioner and the passenger car form a unified whole, the structure is compact, the space in the car is not influenced, the space utilization rate is improved, the installation and maintenance are convenient, the weight of the passenger car air conditioner and the height of the whole car are effectively reduced, and the whole car model development of the passenger car is facilitated. The air conditioner is arranged in the tail box of the passenger car, the rear window of the passenger car is not shielded, the lighting of the carriage of the passenger car is not affected, and the built-in design can also reduce the probability of entering sundries and reduce the failure rate.
Drawings
FIG. 1 is a schematic view of the structure and installation of a passenger car air conditioner according to an embodiment of the present invention;
FIG. 2 is a front view of a passenger vehicle air conditioning structure according to an embodiment of the present invention;
FIG. 3 is a side view of the internal structure of a passenger car air conditioner according to an embodiment of the present invention;
FIG. 4 is a schematic view of an upper layer structure of a passenger car air conditioner according to an embodiment of the present invention;
FIG. 5 is a schematic view of the lower layer structure of the air conditioner of the passenger car according to the embodiment of the invention;
fig. 6 is a working principle diagram of a passenger car air conditioner according to an embodiment of the invention.
The reference numerals are represented as:
1. a frame structure; 2. an upper layer structure; 3. a lower layer structure; 4. a refrigeration air outlet; 5. a heating air outlet; 6. an air return opening; 7. a heat dissipation port; 8. a first air valve; 9. a second air valve; 10. a third air valve; 11. a fourth air valve; 12. a rear row seat; 13. a heat exchange cabin in the vehicle; 14. an electrical control compartment; 15. an off-board heat exchange compartment; 16. a compressor compartment; 17. an exterior heat exchanger; 18. a condensing fan; 19. a compressor; 20. a gas-liquid separator; 21. an evaporation fan; 22. a four-way valve; 23. an electronic expansion valve; 24. a motor heat pipe management cabin; 25. a water-cooled heat exchanger; 26. a motor radiator; 27. a water pump; 28. an expansion tank; 30. a motor; 31. a motor controller; 32. a water-cooled throttle valve; 33. a heat exchanger inside the vehicle; 34. a vehicle body bottom steel frame; 35. a transition air duct; 36. an upper air duct; 37. a lower air duct; 38. an evaporation fan mounting rack; 39. condensation fan mounting bracket.
Detailed Description
Referring to fig. 1 to 6 in combination, a passenger car air conditioner includes: the frame structure 1 is arranged in a passenger car tail box; the frame structure 1 is used for mounting a passenger car air conditioner body.
The passenger train boot is the cabin body in the lower half automobile body of passenger train rear portion, lies in the below of passenger train rear window to the position of vehicle bottom board, the back wall in carriage, perhaps vehicle seat's below can extend to forward.
The passenger car air conditioner provided by the embodiment of the invention adopts a modular structure, the total height of the whole car is unchanged after installation, the air conditioner and the passenger car form a unified whole, the structure is compact, the space in the car is not influenced, the space utilization rate is improved, the installation and maintenance are convenient, the weight of the passenger car air conditioner and the height of the whole car are effectively reduced, and the whole car model development of the passenger car is facilitated. The air conditioner is arranged in the tail box of the passenger car, the rear window of the passenger car is not shielded, the lighting of the carriage of the passenger car is not affected, and the built-in design can also reduce the probability of entering sundries and reduce the failure rate.
The frame structure 1 comprises an upper layer 2 and a lower layer 3; the upper layer structure 2 is provided with an air outlet and an air return opening 6 which are communicated with the interior of the carriage, the air outlet is used for supplying air to the interior of the carriage, and the air return opening 6 is used for sucking air in the carriage; the lower layer structure 3 is provided with a heat radiation port 7 communicated with the outside of the vehicle body.
In this embodiment, the air outlets include a cooling air outlet 4 and a heating air outlet 5; the refrigerating air outlet 4 is arranged on the upper side surface of the upper layer structure 2 facing the direction of the roof of the passenger car; and/or the heating air outlet 5 is arranged on the front side surface of the upper-layer structure 2 facing the direction of the head of the passenger car.
Further, the refrigeration air outlet 4 is communicated with an upper air duct 36 on the upper part of the passenger car through a transition air duct 35, and cold air is provided for the whole passenger car through the upper air duct 36. The heating air outlet 5 is communicated with a lower air duct 37 at the lower part of the carriage of the passenger car, and provides hot air for the whole carriage through the lower air duct 37. Because the air outlet sets up at the rear of a vehicle, if the locomotive air output is on the small side, can set up a centrifugal fan behind driver's position, reinforcing wind pressure increases the anterior air output in carriage.
The double-air-channel ventilation of this embodiment adjusts the air-out direction according to different modes, and the air duct air supply under the mode switch of heating winter reduces the interior difference in temperature of car, and the cooling mode switches the air duct in summer and delivers the branch, utilizes limited space, improves the interior temperature distribution uniformity of car, solves the uneven problem of temperature distribution, and the passenger head and the temperature difference of foot are steerable within 2 ℃, compare in the passenger train of single wind channel ventilation, have better riding comfort.
Furthermore, two refrigeration air outlets 4 are respectively arranged at two ends of the upper side surface of the upper-layer structure 2 along the width direction of the passenger car; and/or two heating air outlets 5 are respectively arranged at two ends of the front side surface of the upper layer structure 2 along the width direction of the passenger car. The two refrigerating air outlets 4 are independently controlled to discharge air through a first air valve 8 and a second air valve 9 respectively, and the two heating air outlets 5 are independently controlled to discharge air through a third air valve 10 and a fourth air valve 11 respectively.
This embodiment can realize the independent control to controlling four blast gates, realizes difference air supply about realizing under the different operating modes, especially can effectively improve winter hot air volume concentrate on carriage upper portion, carriage lower part temperature low, the big problem of passenger head foot difference in temperature.
According to the design habit of the air duct in the passenger car, the air valve can be arranged at the joint of the air duct inside the air outlet of the air conditioner, so that the air outlet is changed into two from the left air outlet and the right air outlet, the heating and cooling modes are unified, the air outlet is controlled to be discharged from the upper air duct or the lower air duct by opening and closing of the air valve in the air duct, and the air conditioner can be used in the passenger car without the design of the upper air duct and the lower air duct.
In this embodiment, the return air inlet 6 is arranged on the front side surface of the upper layer structure 2 facing the direction of the head of the passenger car, and preferably, the return air inlet 6 is arranged in the middle of the front side surface. The return air flows back to the return air inlet 6 along the middle part of the passenger car, and forms a good internal circulation system with the upper air duct 36 or the lower air duct 37.
In this embodiment, the frame structure 1 is disposed below the passenger car end seat 12, and completely concealed installation is achieved without affecting the arrangement of seats in the passenger car. If the heat pump capacity is small due to the limited space and the volume of the exterior heat exchanger 17 is too small, the height of the frame structure 1 can be increased to the lower edge of the last row of seats 12, the last row of seats 12 can be directly mounted on the frame structure 1, and the height of the last row of seats 12 can also be properly increased, so that the volume of the exterior heat exchanger 17 is increased.
In this embodiment, the air conditioner body of the passenger car includes an in-car heat exchange compartment 13 and an electric control compartment 14 which are arranged in the upper layer structure 2; the lower layer structure 3 comprises an outside heat exchange cabin 15 and a compression cabin 16. The electric control cabin 14 is arranged at the front part of the upper-layer structure 2 facing the direction of the vehicle head, and the in-vehicle heat exchange cabin 13 is arranged at the rear part of the upper-layer structure 2 facing the direction of the vehicle head; and/or the heat exchange cabin 15 outside the vehicle is arranged at the rear part of the lower layer structure 3 facing the direction of the vehicle head, and the compression cabin 16 is arranged at the front part of the lower layer structure 3 facing the direction of the vehicle head.
The electric control cabin 14 comprises a driving controller, a power supply module and an electric controller, and the electric control cabin 14 is arranged between the air return opening 6 and the heat exchange cabin 13 in the vehicle. Indoor air passes through the electric control cabin 14 through the air return opening 6, and the residual cold energy is utilized to cool the electric control cabin 14. The interior heat exchanger 33 and the evaporation fan 21 are arranged in the interior heat exchange chamber 13, and the interior heat exchanger 33 is arranged between the electrical control chamber 14 and the evaporation fan 21. The evaporation fan 21 is mounted on the evaporation fan mounting bracket 38. The exterior heat exchange compartment 15 includes an exterior heat exchanger 17 and a condensing fan 18, and the condensing fan 18 is disposed between the heat vent 7 and the exterior heat exchanger 17.
The heat dissipation openings 7 are provided on both side surfaces of the lower structure 3 in the width direction of the passenger car and/or on the bottom surface of the lower structure 3 facing the bottom of the passenger car. The condensing fan 18 is disposed on the exterior heat exchanger 17 to radiate heat from the vehicle rear to the lower side and both sides of the vehicle. The condensing fan 18 is mounted on the condensing fan mounting bracket 39. The air flows through the exterior heat exchanger 17 from the rear side of the exterior heat exchanger 17, is blown out through the condensing fan 18, and radiates heat to the exterior of the vehicle through the heat radiation ports 7 at the lower portion and both sides. Compare the cooling method that the condensation fan 18 bloied to the exterior heat exchanger 17, the exterior heat exchanger 17 temperature distribution in this embodiment is more even, and the radiating effect is better, can reach the purpose that reduces the energy consumption.
In this embodiment, the compressor compartment 16 includes a compressor 19, a gas-liquid separator 20, a four-way valve 22, and an electronic expansion valve 23, and the compressor 19, the gas-liquid separator 20, the four-way valve 22, and the electronic expansion valve 23 are mounted on a vehicle body bottom steel frame 34. The space between the steel frames 34 at the bottom of the vehicle body is used as a large-area air outlet channel. Aiming at the ultralow temperature working condition in winter, the enthalpy-increasing compressor is used for enhancing the heating capacity.
In the present embodiment, the interior heat exchanger 33, the exterior heat exchanger 17, the compressor 19, and the gas-liquid separator 20 are connected to the four-way valve 22, respectively, the exterior heat exchanger 17 and the interior heat exchanger 33 are connected by the electronic expansion valve 23, and the compressor 19 is connected to the gas-liquid separator 20.
In this embodiment, the lower layer structure 3 is further provided with a motor heat management cabin 24, and the motor heat management cabin 24 is arranged on one side of the heat exchange cabin 15 outside the vehicle. A motor water-cooling heat dissipation system is arranged in the motor heat management cabin 24, the motor heat management cabin 24 and the heat exchange cabin 15 outside the vehicle are arranged in parallel, the structure is compact, and the motor water-cooling heat dissipation system is suitable for the installation requirement of the passenger car tail box with narrow space. And can realize the thermal management of concentrating, under the passenger train air conditioner is in the mode of heating, retrieve the motor heat and strengthen the heating capacity of passenger train air conditioner body, reach and reduce the energy consumption, reduce the frequency of frosting, improve the purpose that whole car continued journey. The water-cooling heat dissipation system of the motor can also be used as an auxiliary external heat exchanger, so that the windward area of the external heat exchanger 17 is further increased, and the refrigerating capacity is enhanced.
In the preferred embodiment, the motor thermal management compartment 24 includes a water cooled heat exchanger 25, a motor radiator 26, a water pump 27, and an expansion tank 28. The heat exchanger 17 outside the vehicle and the electronic expansion valve 23 are connected in series to form a condensation branch, two ends of a heat exchange pipeline of the water-cooling heat exchanger 25 are respectively connected with two ends of the condensation branch and are controlled to be on and off through the water-cooling throttle valve 32, the other heat exchange pipeline of the water-cooling heat exchanger 25 is connected with the motor radiator 26 in parallel to form a motor heat radiation branch, the motor heat radiation branch is connected with the water pump 27, the motor 30 and the motor controller 31 in series, and the motor heat radiation branch is further connected with the expansion water.
In the cooling mode, the refrigerant releases heat from the compressor 19 to the exterior heat exchanger 17 via the four-way valve 22, and returns to the interior heat exchanger 33 via the electronic expansion valve 23 to cool the vehicle. The first air valve 8 and the second air valve 9 are closed, the third air valve 10 and the fourth air valve 11 are opened, cold air is blown to the upper air duct 36 from the refrigeration air outlet 4, and the cold air is blown into the carriage from the roof through the upper air duct 36, so that refrigeration experience is better.
In the heating mode, the refrigerant flows out of the compressor 19, passes through the four-way valve 22, and reaches the interior heat exchanger 33 to be heated in the vehicle. The first air valve 8 and the second air valve 9 are opened, the third air valve 10 and the fourth air valve 11 are closed, and hot air flows out of the heat exchanger 33 in the vehicle and is blown into the lower air duct 37 through the heating air outlet 5. Through lower wind channel 37, steam blows to in the car from the carriage bottom, realizes ground heating formula heating.
In order to enhance the heating capacity, the refrigerant can be divided into two paths after coming out of the in-vehicle heat exchanger 33, one path of the refrigerant directly exchanges heat through the economizer, the other path of the refrigerant reaches the economizer to exchange heat after being throttled by the electronic expansion valve 23, and the refrigerant enters the enthalpy-increasing compressor through the air supply loop to be mixed and cooled with the refrigerant gas and then is compressed for the second time, so that the heating exhaust amount can be increased, the exhaust superheat degree is reduced, and the heating capacity is enhanced.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (18)
1. A passenger vehicle air conditioner, comprising:
the frame structure (1), the frame structure (1) is built in the trunk of the passenger car;
the frame structure (1) is used for mounting a passenger car air conditioner body;
the passenger car tail box is a cabin body in the lower half car body at the tail part of the passenger car, is positioned below a rear car window of the passenger car to reach the car bottom plate, and can extend forwards to the rear wall of the carriage or below a car seat;
the frame structure (1) comprises an upper layer structure (2) and a lower layer structure (3); the upper layer structure (2) is provided with an air outlet communicated with the interior of the carriage, and the air outlet comprises a refrigerating air outlet (4) and a heating air outlet (5); the refrigerating air outlet (4) is arranged on the upper side face, facing the direction of the roof of the passenger car, of the upper layer structure (2); and/or the heating air outlet (5) is arranged on the front side surface of the upper layer structure (2) facing the direction of the head of the passenger car;
the upper layer structure (2) is also provided with an air return opening (6) communicated with the interior of the carriage, the air outlet is used for supplying air to the interior of the carriage, and the air return opening (6) is used for sucking air in the carriage; the passenger car air conditioner body comprises an in-car heat exchange cabin (13) and an electric control cabin (14) which are arranged in the upper layer structure (2), wherein the electric control cabin (14) is arranged between the air return opening (6) and the in-car heat exchange cabin (13).
2. A passenger car air conditioner according to claim 1, characterized in that the understructure (3) is provided with a heat vent (7) communicating with the outside of the car body.
3. The passenger car air conditioner according to claim 2, wherein the refrigeration air outlet (4) is communicated with an upper air duct (36) at the upper part of the passenger car compartment through a transition air duct (35); and/or the heating air outlet (5) is communicated with a lower air duct (37) at the lower part of the carriage of the passenger car.
4. A passenger car air conditioner according to claim 2, characterized in that the return air opening (6) is provided on the front side of the superstructure (2) facing in the direction of the passenger car head.
5. A passenger car air conditioner according to claim 2, wherein the heat dissipation port (7) is provided on both side surfaces of the lower structure (3) in the width direction of the passenger car; and/or on the bottom surface of the understructure (3) facing the bottom of the passenger car.
6. A passenger car air conditioner according to claim 2, wherein two of the refrigeration air outlets (4) are respectively arranged at two ends of the upper side surface of the upper layer structure (2) along the width direction of the passenger car; and/or two heating air outlets (5) are respectively arranged at two ends of the front side surface of the upper layer structure (2) along the width direction of the passenger car; and/or the air return opening (6) is arranged in the middle of the front side surface.
7. A passenger car air conditioner according to claim 6, wherein the two cooling air outlets (4) are independently controlled to discharge air through a first air valve (8) and a second air valve (9), and the two heating air outlets (5) are independently controlled to discharge air through a third air valve (10) and a fourth air valve (11).
8. A passenger car air conditioner according to claim 1, characterized in that the frame structure (1) is arranged below the passenger car end seats (12).
9. A passenger car air conditioner according to any one of claims 1 to 8, further comprising an outside heat exchange compartment (15), a compressor compartment (16) disposed within the understructure (3).
10. A passenger car air conditioner according to claim 9, characterized in that the electrical control cabin (14) comprises a drive controller, a power supply module, an electrical controller.
11. A passenger car air conditioner according to claim 10, wherein an in-car heat exchanger (33) and an evaporation fan (21) are provided in the in-car heat exchange compartment (13), and the in-car heat exchanger (33) is provided between the electric control compartment (14) and the evaporation fan (21).
12. A passenger car air conditioner according to claim 11, wherein the exterior heat exchange compartment (15) includes an exterior heat exchanger (17), a condensing fan (18), and when the lower structure (3) is provided with a heat dissipation port (7) communicating with the exterior of the car body, the condensing fan (18) is disposed between the heat dissipation port (7) and the exterior heat exchanger (17).
13. A passenger car air conditioner according to claim 12, wherein the compressor compartment (16) comprises a compressor (19), a four-way valve (22), and an electronic expansion valve (23), and the compressor (19), the four-way valve (22), and the electronic expansion valve (23) are mounted on a vehicle body bottom steel frame (34).
14. A passenger car air conditioner according to claim 13, wherein the electric control compartment (14) is provided at a front portion of the superstructure (2) in a direction toward a vehicle head, and the in-vehicle heat exchange compartment (13) is provided at a rear portion of the superstructure (2) in the direction toward the vehicle head; and/or the vehicle-exterior heat exchange cabin (15) is arranged at the rear part of the lower layer structure (3) facing the direction of the vehicle head, and the compression cabin (16) is arranged at the front part of the lower layer structure (3) facing the direction of the vehicle head.
15. A passenger car air conditioner according to claim 14, wherein the interior heat exchanger (33), the exterior heat exchanger (17), and the compressor (19) are connected to the four-way valve (22), respectively, and the exterior heat exchanger (17) and the interior heat exchanger (33) are connected through the electronic expansion valve (23).
16. A passenger car air conditioner according to claim 14, characterized in that the lower layer structure (3) is further provided with a motor heat management cabin (24), and the motor heat management cabin (24) is arranged at one side of the outside heat exchange cabin (15) and used for recovering motor heat to enhance heating of the passenger car air conditioner body in the heating mode.
17. A passenger car air conditioner according to claim 16, wherein the motor thermal management compartment (24) comprises a water cooled heat exchanger (25), a motor radiator (26), a water pump (27), and an expansion tank (28).
18. The passenger car air conditioner according to claim 17, wherein the heat exchanger (17) outside the car and the electronic expansion valve (23) are connected in series to form a condensation branch, two ends of a heat exchange pipeline of the water-cooling heat exchanger (25) are respectively connected with two ends of the condensation branch, another heat exchange pipeline of the water-cooling heat exchanger (25) is connected in parallel with the motor radiator (26) to form a motor heat dissipation branch, the motor heat dissipation branch is connected in series with the water pump (27), the motor (30) and the motor controller (31), and the motor heat dissipation branch is further connected with the expansion water tank (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069987.5A CN109823137B (en) | 2019-01-24 | 2019-01-24 | Air conditioner for passenger car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069987.5A CN109823137B (en) | 2019-01-24 | 2019-01-24 | Air conditioner for passenger car |
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| Publication Number | Publication Date |
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| CN109823137A CN109823137A (en) | 2019-05-31 |
| CN109823137B true CN109823137B (en) | 2021-06-15 |
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| CN201910069987.5A Active CN109823137B (en) | 2019-01-24 | 2019-01-24 | Air conditioner for passenger car |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109733159B (en) * | 2019-02-19 | 2023-10-27 | 珠海格力电器股份有限公司 | Air conditioner built in vehicle |
| CN111674236A (en) * | 2020-06-29 | 2020-09-18 | 珠海格力电器股份有限公司 | Air conditioning duct system, air conditioning system and transportation tool |
| CN111942104A (en) * | 2020-08-10 | 2020-11-17 | 珠海格力电器股份有限公司 | Air duct conversion structure, air supply system, automobile air conditioner, control method of automobile air conditioner and automobile |
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