CN214928817U - Passenger car air conditioner and passenger car - Google Patents

Abstract

An embodiment of the utility model provides a passenger train air conditioner, including air conditioner casing and refrigeration cycle system. The air conditioner casing is equipped with refrigeration control chamber, evaporation chamber and condensation chamber, and evaporation chamber and condensation chamber set up side by side and are located the homonymy in refrigeration control chamber, and the air conditioner casing includes first air intake, second air intake, first air outlet and second air outlet, and first air intake and second air intake set up relatively, and first air intake and first air outlet all communicate with the condensation chamber, and second air intake and second air outlet all communicate with the evaporation chamber. The refrigerating circulation system comprises a refrigerating compressor, a micro-channel condenser, an evaporator and a refrigerating circulation pipeline, the refrigerating compressor is arranged in a refrigerating control cavity, the micro-channel condenser is arranged in a condensing cavity, the evaporator is arranged in an evaporating cavity, and the micro-channel condenser and the evaporator are communicated with the refrigerating compressor through the refrigerating circulation pipeline. The embodiment of the utility model provides a still provide a passenger train.

Description

Passenger car air conditioner and passenger car

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to a passenger train air conditioner and passenger train.

Background

An air conditioner is a device that adjusts and controls parameters such as temperature, humidity, flow rate, etc. of ambient air in a room or a vehicle. With the development of air conditioning technology, the types of air conditioners are more and more diversified, including indoor air conditioners, cabinet air conditioners, automobile air conditioners, passenger car air conditioners and the like.

The passenger car air conditioner is an important part in a passenger car, and for the whole passenger car, the passenger car air conditioner becomes the second large power consumption device of the passenger car except an engine, and the power consumption of the second large power consumption device directly influences the endurance mileage of the passenger car. Most of the existing passenger car air conditioners are high in energy consumption and large in size, air conditioner components are installed randomly, when a certain component breaks down, the installation position of the broken down component needs to be found out in a lot of time, and management and maintenance of the passenger car air conditioners are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a passenger train air conditioner and passenger train to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

In a first aspect, an embodiment of the present invention provides a passenger car air conditioner, including an air conditioner casing and a refrigeration cycle system. The air conditioner casing is equipped with refrigeration control chamber, evaporation chamber and condensation chamber, and evaporation chamber and condensation chamber set up side by side and are located the homonymy in refrigeration control chamber, and the air conditioner casing includes first air intake, second air intake, first air outlet and second air outlet, and first air intake and second air intake set up relatively, and first air intake and first air outlet all communicate with the condensation chamber, and second air intake and second air outlet all communicate with the evaporation chamber. The refrigerating circulation system comprises a refrigerating compressor, a micro-channel condenser, an evaporator and a refrigerating circulation pipeline, the refrigerating compressor is arranged in a refrigerating control cavity, the micro-channel condenser is arranged in a condensing cavity, the evaporator is arranged in an evaporating cavity, and the micro-channel condenser and the evaporator are communicated with the refrigerating compressor through the refrigerating circulation pipeline.

In one embodiment, the evaporation cavity comprises a first evaporation cavity and a second evaporation cavity, the first evaporation cavity and the second evaporation cavity are respectively located on two sides of the condensation cavity, the evaporator comprises a first evaporator and a second evaporator, the first evaporator is located in the first evaporation cavity, the second evaporator is located in the second evaporation cavity, and at least one of the first evaporation cavity and the second evaporation cavity is communicated with the second air outlet.

In one embodiment, the air conditioner shell comprises a bottom shell frame and a middle partition plate, the bottom shell frame is provided with a refrigeration control cavity, an evaporation cavity and a condensation cavity, the middle partition plate is connected to the bottom shell frame and located in the condensation cavity, the condensation cavity is divided into a first cavity and a second cavity by the middle partition plate, the first cavity is located above the second cavity, the micro-channel condenser is installed in the first cavity, the second cavity is communicated with the evaporation cavity, and a second air inlet is communicated with the second cavity.

In one embodiment, the refrigeration cycle system further includes a condensing fan installed in the first chamber and opposite to the first air outlet, and configured to guide the air flow from the first air inlet into the first chamber and out of the first air outlet through the microchannel condenser.

In one embodiment, the air conditioner casing further includes an air deflector and a condensation cover plate, the condensation cover plate is covered on the bottom case frame and seals the condensation cavity, the condensation cover plate is provided with a first air outlet and a first air inlet, and the air deflector is connected between the microchannel condenser and the condensation cover plate and arranged around the first air outlet.

In one embodiment, the refrigeration cycle system further includes an evaporation fan installed in the evaporation chamber and opposite to the second air outlet, for guiding the air flow from the second air inlet into the second chamber and guiding the air flow out from the second air outlet through the evaporator in the evaporation chamber.

In an embodiment, the microchannel condenser comprises an air inlet pipe, a liquid outlet pipe, a partition plate and a microchannel core body, wherein the partition plate is arranged around the periphery of the microchannel core body, the air inlet pipe and the liquid outlet pipe are both arranged on the partition plate, a refrigeration compressor is communicated with the air inlet pipe through a refrigeration cycle pipeline, and an evaporator is communicated with the liquid outlet pipe through the refrigeration cycle pipeline.

In one embodiment, the passenger car air conditioner further comprises an electric control assembly, the electric control assembly is installed in the refrigeration control cavity and comprises a controller, and the controller is used for controlling the power of the refrigeration compressor.

In one embodiment, the refrigeration cycle system further comprises a throttling device, the throttling device is located between the evaporator and the micro-channel condenser, the electronic control assembly further comprises an air suction temperature sensor and a low pressure sensor, the air suction temperature sensor and the low pressure sensor are both arranged on the refrigeration cycle pipeline, the air suction temperature sensor and the low pressure sensor are used for sensing the superheat degree of the air flow, and the controller controls the opening degree of the throttling device according to the superheat degree.

In a second aspect, the embodiment of the present invention further provides a passenger car, including passenger car body, wheel assembly and any one of the above, passenger car air conditioner, passenger car body include relative bottom and top that sets up, wheel assembly installs in the bottom of passenger car body, passenger car air conditioner installs in the top of passenger car body.

Compared with the prior art, the passenger car air conditioner and the passenger car provided by the embodiment of the utility model have the advantages that the passenger car air conditioner comprises an air conditioner shell and a refrigeration circulating system, and the air conditioner shell is provided with a refrigeration control cavity, an evaporation cavity and a condensation cavity; refrigeration cycle system includes compressor, the microchannel condenser, evaporimeter and refrigeration cycle pipeline, compressor installs in refrigeration control chamber, the microchannel condenser is installed in the condensation chamber, the evaporimeter is installed in the evaporation chamber, microchannel condenser and evaporimeter pass through refrigeration cycle pipeline and compressor intercommunication, through adopting the microchannel condenser, the energy consumption and the weight of passenger train air conditioner have been reduced, evaporation chamber and condensation chamber set up side by side and are located the homonymy in refrigeration control chamber, be convenient for the installation of each part among refrigeration cycle system, and be convenient for the management and the maintenance of passenger train air conditioner.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a passenger car air conditioner provided by an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a passenger car air conditioner (not including a condensation cover plate) provided by the embodiment of the present invention.

Fig. 3 is an air conditioner airflow circulation diagram of a passenger car air conditioner provided by the embodiment of the invention.

Fig. 4 is a schematic structural diagram of a microchannel condenser according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a passenger car provided by an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 herein in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, an embodiment of the present invention provides a passenger car air conditioner 10, which includes an air conditioner casing 11 and a refrigeration cycle system 13, wherein the refrigeration cycle system 13 is installed in the air conditioner casing 11, and is configured to convey cool air in a car and discharge heat at the same time, so as to form a refrigeration cycle.

Referring to fig. 2 and 3, the air conditioning casing 11 includes a bottom frame 111 and a middle partition plate 112, and the middle partition plate 112 is mounted on the bottom frame 111. In addition, the air conditioning casing 11 further includes a cover assembly 113, the cover assembly 113 is covered on the bottom chassis frame 111 to enclose the refrigeration cycle system 13 in the bottom chassis frame 111, so as to reduce the influence of external environments such as water vapor and dust on the refrigeration cycle system 13, thereby protecting the refrigeration cycle system 13. In this embodiment, the cover assembly 113 may be made of glass fiber reinforced plastic. In another embodiment, the cover assembly 113 may be made of stainless steel.

Referring to fig. 1, 2 and 3, the bottom chassis frame 111 has a refrigeration control chamber 1111, an evaporation chamber 1112 and a condensation chamber 1115, and the evaporation chamber 1112 and the condensation chamber 1115 are disposed side by side and on the same side of the refrigeration control chamber 1111. The extending direction of the evaporation cavity 1112 and the extending direction of the condensation cavity 1115 may be the same, and may be the first direction, and the extending direction of the refrigeration control cavity 1111 is the second direction, and the second direction is perpendicular to the first direction.

The condensation chamber 1115 is divided into a first chamber 1116 and a second chamber 1117 by the partition plate 112, the first chamber 1116 is located above the second chamber 1117, and the first chamber 1116 is a chamber through which outdoor air flows. The second chamber 1117 communicates with the evaporation chamber 1112, and is a chamber through which air in the vehicle flows.

The evaporation chamber 1112 comprises a first evaporation chamber 1113 and a second evaporation chamber 1114, and the first evaporation chamber 1113 and the second evaporation chamber 1114 are respectively positioned at two sides of the condensation chamber 1115. First evaporation chamber 1113, second evaporation chamber 1114 and condensation chamber 1115 are connected to refrigeration control chamber 1111. In this embodiment, the volume of the first evaporation chamber 1113 may be the same as the volume of the second evaporation chamber 1114. In other embodiments, the volume of the first evaporation chamber 1113 may not be equal to the volume of the second evaporation chamber 1114.

The middle partition 112 is connected to the bottom chassis frame 111 and located in the condensation chamber 1115 to divide the condensation chamber 1115 into a first chamber 1116 and a second chamber 1117. The middle partition 112 is formed by connecting multiple sections of partitions.

The cover assembly 113 includes a condensation cover 1132, and the condensation cover 1132 covers the bottom chassis frame 111 and encloses the condensation chamber 1115. In addition, the cover assembly 113 further includes a first evaporation cover 1134 and a second evaporation cover 1136, the first evaporation cover 1134 and the second evaporation cover 1136 are respectively connected to two sides of the condensation cover 1132, wherein the first evaporation cover 1134 is covered on the bottom frame and encloses the first evaporation cavity 1113, and the second evaporation cover 1136 is covered on the bottom frame and encloses the second evaporation cavity 1114.

The air conditioning case 11 includes a first intake vent 114, a second intake vent 115, a first outlet vent 116, and a second outlet vent 117. The first air inlet 114 and the second air inlet 115 are disposed oppositely, and the first air inlet 114 and the first air outlet 116 are both communicated with the condensation cavity 1115 and are both disposed on the condensation cover plate 1132. In this embodiment, the first air inlets 114 are inlets through which the external air enters the condensation chamber 1115, specifically, the number of the first air inlets 114 is two, the first air outlets 116 are located between the two first air inlets 114, since the air flows of the two first air inlets 114 are opposite, the air flows enter through the two first air inlets 114 and then flows out of the first air outlets 116, and the first air outlets 116 are outlets through which the high-temperature air flows out of the condensation chamber 1115.

The second air inlet 115 and the second air outlet 117 are disposed opposite to each other, and both the second air inlet 115 and the second air outlet 117 are communicated with the evaporation cavity 1112 and are disposed on the bottom chassis frame 111. The second intake port 115 communicates with the second chamber 1117. The second air inlet 115 is an inlet for the vehicle air to enter the second chamber 1117, so that the vehicle air can enter the evaporation cavity 1112 through the second chamber 1117. In this embodiment, the number of the second air outlets 117 is two, one of which is communicated with the first evaporation chamber 1113, and the other is communicated with the second evaporation chamber 1114. The second air outlet 117 is an outlet of the low-temperature airflow passing through the evaporation cavity 1112 and flowing out of the evaporation cavity 1112.

The air conditioning casing 11 further includes a wind deflector 118, wherein the wind deflector 118 is connected to the condensation cover 1132 and disposed around the first wind outlet 116 to separate the first wind outlet 116 from the first wind inlet 114, so that the external air can only enter the first chamber 1116 and flow out through the first wind outlet 116.

The refrigeration cycle system 13 includes a refrigeration compressor 131, a microchannel condenser 132, an evaporator 133, and a refrigeration cycle line 134. The microchannel condenser 132 communicates with the refrigerant compressor 131 through a refrigerant cycle line 134. The evaporator 133 communicates with the refrigerant compressor 131 through a refrigerant cycle line 134. That is, the refrigerant compressor 131 is installed in the refrigerant control chamber 1111, and the refrigerant compressor 131, the micro channel condenser 132 and the evaporator 133 are communicated through the refrigerant circulation line 134, thereby achieving a circulation flow of the refrigerant among the respective components.

The microchannel condenser 132 is installed in the condensation chamber 1115, and specifically, the microchannel condenser 132 is installed in the first chamber 1116 and connected to a side of the air deflector 118 away from the condensation cover 1132. By using the microchannel condenser 132 for the passenger vehicle air conditioner 10, the energy consumption and weight of the passenger vehicle air conditioner 10 are reduced, thereby saving costs. The microchannel condenser 132 may change the flowing refrigerant from a high-temperature and high-pressure gas to a low-temperature and high-pressure liquid through heat exchange, and during the heat exchange, the condenser 132 dissipates heat and the temperature of the air flowing through the microchannel condenser 132 increases.

Referring to fig. 4, the microchannel condenser 132 includes an inlet pipe 1321, an outlet pipe 1323, a partition plate 1325, and a microchannel core 1327. A divider plate 1325 is disposed around the periphery of the microchannel core 1327. The inlet pipe 1321 and the outlet pipe 1323 are mounted to the partition plate 1325.

The microchannel core 1327 is the main structure of the microchannel condenser 132 for heat exchange. The partition plate 1325 serves to partition the refrigerant, prevent the refrigerant from entering the refrigeration cycle line 134, and increase the flow velocity of the refrigerant in the microchannel condenser 132, thereby improving heat exchange efficiency. The air inlet pipe 1321 is communicated with the refrigeration compressor 131 through the refrigeration cycle pipeline 134, the refrigerant entering the air inlet pipe 1321 is high-temperature and high-pressure gas, the air inlet pipe 1321 is an air inlet channel entering the micro-channel condenser 132, and the high-temperature and high-pressure gas is changed into low-temperature and high-pressure liquid after heat exchange of the micro-channel condenser 132. The outlet pipe 1323 is communicated with the evaporator 133 through the refrigeration cycle pipe 134, and the outlet pipe 1323 is an outlet passage through which the low-temperature and high-pressure liquid refrigerant flows into the refrigeration compressor 131. In this embodiment, the inlet 1321 and outlet 1323 tubes are disposed on the same side of the microchannel core 1327. In other embodiments, the inlet 1321 and outlet 1323 tubes are disposed on either side of the microchannel core 1327.

With continued reference to fig. 2 and 3, the evaporator 133 is installed in the evaporation cavity 1112, the evaporator 133 can change the flowing refrigerant from a low-temperature low-pressure liquid into a low-temperature low-pressure gas through heat exchange, during the heat exchange, the evaporator 133 absorbs heat, and the temperature of the airflow flowing through the evaporator 133 is reduced.

The evaporator 133 includes a first evaporator 1331 and a second evaporator 1332, the first evaporator 1331 is located in the first evaporation cavity 1113, the second evaporator 1332 is located in the second evaporation cavity 1114, at least one of the first evaporation cavity 1113 and the second evaporation cavity 1114 is communicated with the second air outlet 117, in this embodiment, the first evaporation cavity 1113 and the second evaporation cavity 1114 are respectively communicated with the two second air outlets 117, so that the passenger car air conditioner 10 can have two paths of cold air outlet channels. The first evaporator 1331 and the second evaporator 1332 each have a plurality of evaporators, and the plurality of first evaporators 1331 may be synchronously turned on or off, and the plurality of second evaporators 1332 may be synchronously turned on or off.

The refrigeration cycle 13 further includes a condensing fan 135, the condensing fan 135 is installed in the first chamber 1116 and opposite to the first air outlet 116, and is configured to guide the airflow from the first air inlet 114 into the first chamber 1116 and out of the first air outlet 116 through the micro-channel condenser 132, that is, the condensing fan 135 provides power for exhausting the air with the temperature raised by the micro-channel condenser 132, so as to achieve high-temperature air exhaust. In the present embodiment, the condensing fan 135 may be plural. The number of the condensing fans 135 may be set according to the wind speed requirement, for example, when a larger wind speed is required, more condensing fans 135 may be provided.

The refrigeration cycle system 13 further includes an evaporator fan 136, where the evaporator fan 136 is installed in the evaporation cavity 1112 and opposite to the second air outlet 117, and is configured to guide the air flow from the second air inlet 115 into the second chamber 1117 and out of the second air outlet 117 through the evaporator 133 in the evaporation cavity 1112, that is, the evaporator fan 136 provides a power for exhausting the air with the temperature reduced by the evaporator 133, where the exhausted low-temperature air enters the vehicle to achieve the temperature reduction in the vehicle, and form a refrigeration cycle. In this embodiment, there may be a plurality of evaporation fans 136, and the plurality of evaporation fans 136 are disposed in the first evaporation chamber 1113 and the second evaporation chamber 1114.

The refrigeration cycle 13 further includes a throttling device 137, the throttling device 137 is located between the evaporator 133 and the microchannel condenser 132, and the throttling device 137 has a pressure reducing throttling function. In the present embodiment, the throttling device 137 is an electronic expansion valve.

The refrigeration cycle system 13 further includes a dry filter 138 and a gas-liquid separator 139, the dry filter 138 being installed in the refrigeration cycle line 134 and located between the microchannel condenser 132 and the evaporator 133. The dry filter 138 serves to filter impurities of the liquid in the refrigeration cycle line 134. A gas-liquid separator 139 is installed in the refrigeration cycle line 134 between the evaporator 133 and the refrigeration compressor 131. The gas-liquid separator 139 is used to separate gas-liquid and liquid.

With continued reference to fig. 1 and 2, the passenger vehicle air conditioner 10 further includes an electronic control unit 15, and the electronic control unit 15 is installed in the refrigeration control chamber 1111. The electronic control assembly 15 includes a controller 151, and the controller 151 is used for controlling the power of the refrigeration compressor 131. In this embodiment, the controller 151 is a four-in-one controller 151, that is, a compressor drive Control, a DCDC (direct current-direct current) power module, an ECU (Electronic Control Unit) Control board, and an EEV (Enhanced environmental Friendly Vehicle) controller 151, where the compressor drive Control is used to adjust the rotation speed and start/stop of the refrigeration compressor 131; the DCDC power supply module is used for converting the high voltage 540VDC into 24VDC so as to supply power to the condensing fan 135 and the evaporating fan 136; the ECU control board is used for receiving information of the sensor and the switching value and outputting relay control and signal pulse information; the EEV controller 151 controls the throttle device 137.

The electronic control assembly 15 further includes a suction temperature sensor 153 and a low pressure sensor 155, the suction temperature sensor 153 and the low pressure sensor 155 are both disposed on the refrigeration cycle pipeline 134, specifically between the evaporator 133 and the refrigeration compressor 131, and the suction temperature sensor 153 and the low pressure sensor 155 are used for sensing the superheat degree of the air flow.

In this embodiment, the electronic control assembly 15 further includes an exhaust temperature sensor 156 and a high pressure sensor 157. A discharge temperature sensor 156 and a high pressure sensor 157 are also provided in the refrigeration cycle line 134, specifically between the microchannel condenser 132 and the refrigeration compressor 131. The high-pressure sensor 157 controls the speed of the condensing fan 135 according to a linear curve, and when the pressure of the high-pressure sensor 157 is higher, the speed of the condensing fan 135 is higher. The discharge temperature sensor 156 is used to measure the temperature of the gas discharged from the refrigeration compressor 131.

The controller 151 may control the opening degree of the throttling device 137 according to the degree of superheat, thereby controlling the flow rate and pressure of the gas in the refrigeration cycle line 134. The controller 151 may also control the power supply voltage of the refrigeration compressor 131 according to the gas temperature value measured by the discharge temperature sensor 156, to prevent the gas temperature from being excessively high, thereby protecting the refrigeration cycle system 13.

In this embodiment, the electronic control assembly 15 further includes an integrated high voltage box 159, and the integrated high voltage box 159 includes a high voltage fuse and a high voltage relay, and the high voltage fuse and the high voltage relay perform power supply pre-charging, overcurrent, and overvoltage protection functions.

Referring to fig. 1, fig. 2 and fig. 3, the following describes a control process of the passenger car air conditioner 10 according to the present embodiment:

when the passenger car air conditioner 10 receives a power-on command, the power supply is connected to the controller 151 via a high-voltage fuse and a high-voltage relay in the integrated high-voltage box 159. The controller 151 adjusts the refrigerant compressor 131, the condensing fan 135, and the evaporating fan 136 according to the temperature calculation demand. The refrigerant compressor 131 changes the refrigerant into a high-temperature and high-pressure gas and is sent to the microchannel condenser 132 through the refrigeration cycle line 134. The microchannel condenser 132 changes the flowing refrigerant from high-temperature high-pressure gas into low-temperature high-pressure liquid through heat exchange, then passes through the drying filter 138 and the throttling device 137, throttles and reduces the pressure of the low-temperature high-pressure liquid into low-temperature low-pressure gas-liquid mixture, passes through the first evaporator 1331 and the second evaporator 1332, changes the flowing refrigerant from the low-temperature low-pressure liquid into low-temperature low-pressure gas through heat exchange, and the low-temperature low-pressure gas is sucked by the refrigeration compressor 131 after passing through the gas-liquid separator 139, thereby forming a refrigeration cycle.

The condensing fan 135 guides the external air flow from the first air inlet 114 into the first chamber 1116, and the external air flow is guided by the air deflector 118 to enter the micro-channel condenser 132, so that the temperature of the air flow passing through the micro-channel condenser 132 is increased due to the heat dissipation of the micro-channel condenser 132, and the high-temperature air flows out from the first air outlet 116. The evaporation fan 136 guides the air flowing in the vehicle into the second chamber 1117 through the second air inlet 115, and guides the air flowing in the vehicle into the evaporator 133 through the evaporation cavity 1112, and since the evaporator 133 absorbs heat, the temperature of the air flowing through the evaporator 133 is reduced, and the low-temperature air flows out from the second air outlet 117, thereby achieving the cooling effect in the vehicle.

To sum up, the passenger car air conditioner 10 provided by the embodiment of the present invention includes an air conditioner housing 11 and a refrigeration cycle system 13, wherein the air conditioner housing 11 is provided with a refrigeration control cavity 1111, an evaporation cavity 1112 and a condensation cavity 1115; refrigeration cycle system 13 includes refrigeration compressor 131, microchannel condenser 132, evaporimeter 133 and refrigeration cycle pipeline 134, refrigeration compressor 131 installs in refrigeration control chamber 1111, microchannel condenser 132 installs in condensation chamber 1115, evaporimeter 133 installs in evaporation chamber 1112, microchannel condenser 132 and evaporimeter 133 communicate with refrigeration compressor 131 through refrigeration cycle pipeline 134, through adopting microchannel condenser 132, the energy consumption and the weight of passenger train air conditioner 10 have been reduced, evaporation chamber 1112 and condensation chamber 1115 set up side by side and lie in the homonymy of refrigeration control chamber 1111, be convenient for the installation of each part in refrigeration cycle system 13, and be convenient for passenger train air conditioner 1's management and maintenance.

Referring to fig. 5, an embodiment of the present invention further provides a passenger car 1, which includes a passenger car body 20, a wheel assembly 30, and a passenger car air conditioner 10. The wheel assembly 30 and the passenger car air conditioner 10 are both arranged on the passenger car body 20. The passenger car 1 in the present embodiment may be a new energy passenger car, such as an electric passenger car.

The passenger vehicle body 20 includes a bottom portion 22 and a top portion 24 disposed opposite to each other, with an interior space being defined between the bottom portion 22 and the top portion 24.

Wheel assembly 30 is mounted to bottom portion 22 of passenger vehicle body 20 and is adapted for movement of passenger vehicle 1.

The passenger car air conditioner 10 is installed on the top 24 of the passenger car body 20 and can be used for cooling the interior of the passenger car 1. The first air inlet 114 and the first air outlet 116 communicate with the outside, and the second air inlet 115 and the second air outlet 117 face the bottom 22 and communicate with the vehicle interior space of the passenger vehicle body 20.

To sum up, the embodiment of the utility model provides a passenger train 1, including passenger train air conditioner 10, because passenger train air conditioner 10's energy consumption and weight reduction to passenger train air conditioner 10 is convenient for manage and maintain, therefore passenger train 1's energy consumption and weight also can reduce, reduce passenger train 1's maintenance cost simultaneously.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A passenger vehicle air conditioner, comprising:

the air conditioner shell is provided with a refrigeration control cavity, an evaporation cavity and a condensation cavity, the evaporation cavity and the condensation cavity are arranged side by side and are positioned on the same side of the refrigeration control cavity, the air conditioner shell comprises a first air inlet, a second air inlet, a first air outlet and a second air outlet, the first air inlet and the second air inlet are arranged oppositely, the first air inlet and the first air outlet are both communicated with the condensation cavity, and the second air inlet and the second air outlet are both communicated with the evaporation cavity; and

refrigeration cycle system, refrigeration cycle system includes compressor, microchannel condenser, evaporimeter and refrigeration cycle pipeline, compressor install in refrigeration control chamber, the microchannel condenser install in the condensation chamber, the evaporimeter install in the evaporation chamber, the microchannel condenser with the evaporimeter passes through refrigeration cycle pipeline with compressor intercommunication.

2. The passenger car air conditioner of claim 1, wherein the evaporation chamber comprises a first evaporation chamber and a second evaporation chamber, the first evaporation chamber and the second evaporation chamber are respectively located on two sides of the condensation chamber, the evaporator comprises a first evaporator and a second evaporator, the first evaporator is located in the first evaporation chamber, the second evaporator is located in the second evaporation chamber, and at least one of the first evaporation chamber and the second evaporation chamber is communicated with the second air outlet.

3. The passenger vehicle air conditioner of claim 1, wherein the air conditioner housing includes a bottom shell frame and a middle partition plate, the bottom shell frame is provided with the refrigeration control chamber, the evaporation chamber and the condensation chamber, the middle partition plate is connected to the bottom shell frame and located in the condensation chamber, the condensation chamber is divided into a first chamber and a second chamber by the middle partition plate, the first chamber is located above the second chamber, the microchannel condenser is installed in the first chamber, the second chamber is communicated with the evaporation chamber, and the second air inlet is communicated with the second chamber.

4. A passenger vehicle air conditioner as set forth in claim 3, wherein said refrigeration cycle system further includes a condensing fan mounted to said first chamber opposite said first outlet port for directing airflow from said first inlet port into said first chamber and out of said first outlet port through said microchannel condenser.

5. The passenger vehicle air conditioner of claim 4, wherein the air conditioning housing further comprises a wind deflector and a condensation cover plate, the condensation cover plate is covered on the bottom shell frame and closes the condensation cavity, the condensation cover plate is provided with the first wind outlet and the first wind inlet, and the wind deflector is connected between the microchannel condenser and the condensation cover plate and arranged around the first wind outlet.

6. A passenger vehicle air conditioner as set forth in claim 3, wherein said refrigeration cycle system further includes an evaporator fan mounted to said evaporator chamber opposite said second outlet vent for directing the air flow from said second inlet vent into said second chamber and out of said second outlet vent through an evaporator in said evaporator chamber.

7. The passenger car air conditioner according to any one of claims 1 to 6, wherein the microchannel condenser comprises an air inlet pipe, a liquid outlet pipe, a partition plate and a microchannel core, the partition plate is arranged around the periphery of the microchannel core, the air inlet pipe and the liquid outlet pipe are both mounted on the partition plate, the refrigeration compressor is communicated with the air inlet pipe through the refrigeration cycle pipeline, and the evaporator is communicated with the liquid outlet pipe through the refrigeration cycle pipeline.

8. A passenger car air conditioner as claimed in any one of claims 1 to 6, further comprising an electrical control assembly mounted to the refrigeration control chamber, the electrical control assembly including a controller for controlling the power of the refrigeration compressor.

9. The passenger car air conditioner according to claim 8, wherein the refrigeration cycle system further comprises a throttling device, the throttling device is located between the evaporator and the microchannel condenser, the electronic control assembly further comprises a suction temperature sensor and a low pressure sensor, the suction temperature sensor and the low pressure sensor are both arranged on the refrigeration cycle pipeline, the suction temperature sensor and the low pressure sensor are used for sensing the superheat degree of the air flow, and the controller controls the opening degree of the throttling device according to the superheat degree.

10. A passenger vehicle comprising a passenger vehicle body, a wheel assembly and a passenger vehicle air conditioner according to any one of claims 1 to 9, wherein the passenger vehicle body comprises a bottom portion and a top portion which are oppositely arranged, the wheel assembly is mounted on the bottom portion of the passenger vehicle body, and the passenger vehicle air conditioner is mounted on the top portion of the passenger vehicle body.

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