CN203190708U - Vehicle-mounted variable frequency air conditioner and system - Google Patents

Vehicle-mounted variable frequency air conditioner and system Download PDF

Info

Publication number
CN203190708U
CN203190708U CN2012206958631U CN201220695863U CN203190708U CN 203190708 U CN203190708 U CN 203190708U CN 2012206958631 U CN2012206958631 U CN 2012206958631U CN 201220695863 U CN201220695863 U CN 201220695863U CN 203190708 U CN203190708 U CN 203190708U
Authority
CN
China
Prior art keywords
conditioner
vehicle
air
communicated
frequency air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2012206958631U
Other languages
Chinese (zh)
Inventor
任小玲
李宝泉
孟繁华
张倩
王树春
刘欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Tangshan Co Ltd
Original Assignee
Tangshan Railway Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tangshan Railway Vehicle Co Ltd filed Critical Tangshan Railway Vehicle Co Ltd
Priority to CN2012206958631U priority Critical patent/CN203190708U/en
Application granted granted Critical
Publication of CN203190708U publication Critical patent/CN203190708U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Landscapes

  • Air-Conditioning For Vehicles (AREA)

Abstract

The utility model provides a vehicle-mounted variable frequency air conditioner and system. The vehicle-mounted variable frequency air conditioner comprises at least one variable frequency air conditioning unit, wherein the variable frequency air conditioning unit comprises an inverter compressor, a condenser, a four-way valve, a gas-liquid separator, an evaporator and an electronic expansion valve. An exhaust port of the inverter compressor is communicated with a first port of the four-way valve, and an air inlet of the inverter compressor is communicated with a second port of the four-way valve through the gas-liquid separator; an air inlet of the condenser is communicated with a third port of the four-way valve; an air outlet of the evaporator is communicated with a fourth port of the four-way valve; a liquid outlet of the condenser is communicated with a liquid inlet of the evaporator; the electronic expansion valve is arranged on an access where the liquid outlet of the condenser is communicated with the liquid inlet of the evaporator. Compared with an existing vehicle-mounted variable frequency air conditioner, the vehicle-mounted variable frequency air conditioner has the advantage that power consumption is significantly reduced.

Description

Vehicle-mounted convertible frequency air-conditioner and system
Technical field
The utility model relates to the on-board air conditioner technology, relates in particular to a kind of vehicle-mounted convertible frequency air-conditioner and system.
Background technology
At present, the air-conditioning system of using on the train mostly is the fixed frequency air conditioner system greatly.The fixed frequency air conditioner system includes a plurality of fixed frequency air conditioner units.Fixed frequency air conditioner unit starting electric current is bigger, even each fixed frequency air conditioner unit starts in order successively in the system, the starting current peak value is also up to 125A, and this just needs the idle capacity of accessory power supply inverter big.The fixed frequency air conditioner unit relies on continuous start and stop compressor to keep the guest room temperature.When temperature reached design temperature in the guest room, compressor just quit work, and when temperature in the guest room raise, compressor just starts to be started working to reduce temperature and make that temperature reaches design temperature in the guest room.The each start of compressor will be worked more than 4 minutes at least, shuts down just can reach the high-low pressure dynamic balance after 3 minutes, and each start-stop cycle is 7 minutes.The compressor start-stop once not only increases switching loss one time, because the starting current of fixed frequency air conditioner unit is big, so power consumption is also very high, and rush of current and interference are all bigger.
The utility model content
The utility model provides a kind of vehicle-mounted convertible frequency air-conditioner and system, to reduce power consumption, reaches the train operation cost.
First aspect of the present utility model provides a kind of vehicle-mounted convertible frequency air-conditioner, comprises at least one group of convertible frequency air-conditioner unit, and described convertible frequency air-conditioner unit comprises: frequency-changeable compressor, condenser, cross valve, gas-liquid separator, evaporimeter and electric expansion valve, wherein,
The exhaust outlet of described frequency-changeable compressor is communicated with first port of described cross valve, and the air inlet of described frequency-changeable compressor is communicated with second port of described cross valve by gas-liquid separator;
The air inlet of described condenser is communicated with the 3rd port of described cross valve;
The gas outlet of described evaporimeter is communicated with the 4th port of described cross valve;
The liquid outlet of described condenser is communicated with the inlet of described evaporimeter;
On the liquid outlet that described electric expansion valve is arranged on described condenser and the path that the inlet of described evaporimeter is communicated with.
Aforesaid vehicle-mounted convertible frequency air-conditioner also comprises: unit casing;
Be provided with thermal insulation board in the described unit casing, the space segmentation that described thermal insulation board surrounds described unit casing is two spaces, and described thermal insulation board is provided with the through hole that is communicated with two spaces;
Described frequency-changeable compressor, condenser and gas-liquid separator are arranged in first space in described two spaces;
Described evaporimeter, cross valve and electric expansion valve are arranged in second space in described two spaces; The gas outlet of described evaporimeter is communicated with the 4th port of described cross valve by first tube connector that passes described through hole;
The liquid outlet of described condenser is communicated with the inlet of described evaporimeter by second tube connector that passes described through hole.
Aforesaid vehicle-mounted convertible frequency air-conditioner, the outer wall in second space of described unit casing is provided with fresh inlet, and described fresh inlet place is provided with electronic new air-valve.
Aforesaid vehicle-mounted convertible frequency air-conditioner also comprises: low tension switch and high-voltage switch gear, wherein,
On the exhaust outlet that described high-voltage switch gear is arranged on described frequency-changeable compressor and the path that first port of described cross valve is communicated with;
Described low tension switch is arranged on described gas-liquid separator and the path that second port of described cross valve is communicated with.
Aforesaid vehicle-mounted convertible frequency air-conditioner also comprises: on the liquid outlet that device for drying and filtering, described device for drying and filtering are arranged on described condenser and the path that the inlet of described evaporimeter is communicated with.
Another aspect of the present utility model provides a kind of vehicle-mounted frequency-conversion air-conditioning system, comprising: the described vehicle-mounted convertible frequency air-conditioner that Train Control and management system, car control device and the utility model embodiment provide; Wherein,
Described Train Control and management system are electrically connected with described car control device by the train communication bus;
Described car control device is electrically connected with described vehicle-mounted convertible frequency air-conditioner.
Aforesaid vehicle-mounted frequency-conversion air-conditioning system also comprises: device for detecting temperature, described device for detecting temperature are on described vehicle-mounted convertible frequency air-conditioner, and described device for detecting temperature is electrically connected with described car control device.
Aforesaid vehicle-mounted frequency-conversion air-conditioning system also comprises: carbon dioxide monitoring device, described carbon dioxide monitoring device are arranged on the described vehicle-mounted convertible frequency air-conditioner, and described carbon dioxide monitoring device is electrically connected with described car control device.
As shown from the above technical solution, the utility model adopts frequency-changeable compressor, can realize the high frequency refrigeration or heats, low frequency and continuous is kept constant temperature, than fixed frequency air conditioner, has avoided the frequent start-stop of compressor, and then need not electric energy storage accessory power supply inverter capacious, power consumption obviously reduces.In addition, the utility model is by arranging cross valve in described convertible frequency air-conditioner unit, can realize that cold-producing medium is in the two-way flow of condenser and evaporimeter, namely cold-producing medium flows to evaporimeter from condenser when air conditioner refrigerating, cold-producing medium flows to condenser from evaporimeter when air-conditioning heats, the mode that existing fixed frequency air conditioner adopts electric heater to heat can effectively reduce power consumption, reaches purpose of energy saving; Because the existing fixed frequency air conditioner quality of convertible frequency air-conditioner wants light, can further reduce the quality of integral body simultaneously, help to reduce the operation energy consumption of car load, and operating cost.
Description of drawings
The principle schematic of the vehicle-mounted convertible frequency air-conditioner embodiment one that Fig. 1 provides for the utility model;
The vehicle-mounted convertible frequency air-conditioner that Fig. 2 provides for the utility model includes the principle schematic of two groups of convertible frequency air-conditioner units;
Fig. 3 is the structural representation of vehicle-mounted convertible frequency air-conditioner embodiment two provided by the invention;
The structural representation of the vehicle-mounted frequency-conversion air-conditioning system embodiment one that Fig. 4 provides for the utility model;
The structural representation of the vehicle-mounted frequency-conversion air-conditioning system embodiment two that Fig. 5 provides for the utility model;
The fractional energy savings chart that Fig. 6 surveys for the vehicle-mounted frequency-conversion air-conditioning system that adopts the utility model to provide;
The comparison diagram of the control curve of the vehicle-mounted frequency-conversion air-conditioning system that Fig. 7 provides for the utility model and other control curves.
The specific embodiment
As shown in Figure 1, the principle schematic of the vehicle-mounted convertible frequency air-conditioner embodiment one that provides of the utility model.As shown in the figure, the described vehicle-mounted convertible frequency air-conditioner of present embodiment comprises: at least one group of convertible frequency air-conditioner unit.Described convertible frequency air-conditioner unit comprises: frequency-changeable compressor 11, condenser 12, cross valve 13, gas-liquid separator 14, evaporimeter 15 and electric expansion valve 16.Wherein, the exhaust outlet of described frequency-changeable compressor 11 is communicated with first port of described cross valve 13, and the air inlet of described frequency-changeable compressor 11 is communicated with second port of described cross valve 13 by gas-liquid separator 14.The air inlet of described condenser 12 is communicated with the 3rd port of described cross valve 13.The gas outlet of described evaporimeter 15 is communicated with the 4th port of described cross valve 13.The liquid outlet of described condenser 12 is communicated with the inlet of described evaporimeter 15.On the liquid outlet that described electric expansion valve 16 is arranged on described condenser 12 and the path that the inlet of described evaporimeter 15 is communicated with.Fig. 1 shows the situation that described vehicle-mounted convertible frequency air-conditioner includes one group of convertible frequency air-conditioner unit.In the practical application, one group, two groups or more convertible frequency air-conditioner unit can be set according to the actual size in compartment.As shown in Figure 2, described vehicle-mounted convertible frequency air-conditioner includes the principle schematic of two groups of convertible frequency air-conditioner units.As shown in Figure 2, when two groups of convertible frequency air-conditioner units, the liquid outlet of the described first convertible frequency air-conditioner unit condenser 12 not only is communicated with the inlet of the first convertible frequency air-conditioner unit evaporimeter 15, and also the inlet with the second convertible frequency air-conditioner unit evaporimeter 25 is communicated with.The gas outlet of the described first convertible frequency air-conditioner unit evaporimeter 15 not only is communicated with the 4th port of the first convertible frequency air-conditioner unit cross valve 13, and also the 4th port with the second convertible frequency air-conditioner unit cross valve 23 is communicated with.Equally, the liquid outlet of the described second convertible frequency air-conditioner unit condenser 22 not only is communicated with the inlet of the second convertible frequency air-conditioner unit evaporimeter 25, and also the inlet with the first convertible frequency air-conditioner unit evaporimeter 15 is communicated with.The gas outlet of the described second convertible frequency air-conditioner unit evaporimeter 25 not only is communicated with the 4th port of the second convertible frequency air-conditioner unit cross valve 23, and also the 4th port with the first convertible frequency air-conditioner unit cross valve 13 is communicated with.When three groups of convertible frequency air-conditioner units, can adopt above-mentioned interconnected or three groups of interconnected modes in twos to connect.
Present embodiment adopts frequency-changeable compressor, can realize the high frequency refrigeration or heats, and low frequency and continuous is kept constant temperature, than fixed frequency air conditioner, has avoided the frequent start-stop of compressor, and then need not electric energy storage accessory power supply inverter capacious, and power consumption obviously reduces.In addition, present embodiment is by arranging cross valve in described convertible frequency air-conditioner unit, can realize that cold-producing medium is in the two-way flow of condenser and evaporimeter, namely cold-producing medium flows to evaporimeter from condenser and blows to wind in the guest room with the reduction described evaporimeter of flowing through when air conditioner refrigerating, cold-producing medium flows to condenser from evaporimeter and blows to wind in the guest room with the heating described evaporimeter of flowing through when air-conditioning heats, the mode that existing fixed frequency air conditioner adopts electric heater to heat, can effectively reduce power consumption, reach purpose of energy saving; Because the existing fixed frequency air conditioner quality of convertible frequency air-conditioner wants light, can further reduce the quality of integral body simultaneously, help to reduce the operation energy consumption of car load, and operating cost.
As shown in Figure 3, the structural representation of vehicle-mounted convertible frequency air-conditioner embodiment two provided by the invention.As shown in FIG., present embodiment two comprises: outside described frequency-changeable compressor 11, described condenser 12, described cross valve 13, described gas-liquid separator 14, described evaporimeter 15 and the described electric expansion valve 16, also comprise: unit casing 17.Be provided with thermal insulation board 18 in the described unit casing 17, the space segmentation that described thermal insulation board 18 surrounds described unit casing 17 is two spaces, and described thermal insulation board 18 is provided with the through hole (not shown among Fig. 3) that is communicated with two spaces.Described frequency-changeable compressor 11, condenser 12 and gas-liquid separator 14 are arranged in first space in described two spaces.Described evaporimeter 15, cross valve 13 and electric expansion valve 16 are arranged in second space in described two spaces.The liquid outlet of described condenser 12 is communicated with the inlet of described evaporimeter 15 by second tube connector (not shown among Fig. 3) that passes described through hole.
Further, as shown in Figure 3, the outer wall in second space of unit casing 17 described in above-described embodiment two is provided with fresh inlet 173, and described fresh inlet 173 places are provided with electronic new air-valve 30.The described vehicle-mounted convertible frequency air-conditioner of present embodiment can be regulated the new wind flow that enters from described fresh inlet automatically by electronic new air-valve, with the fresh air proportion in the control return air, guarantees that the oxygen in the guest room, compartment is constant, improves the comfort level in the guest room.
Again further, as shown in figures 1 and 3, the described vehicle-mounted convertible frequency air-conditioner of the various embodiments described above also comprises: low tension switch 31 and high-voltage switch gear 32.Wherein, on described high-voltage switch gear 31 exhaust outlet that is arranged on described frequency-changeable compressor 11 and the path that first port of described cross valve 13 is communicated with.Described low tension switch 32 is arranged on described gas-liquid separator 14 and the path that second port of described cross valve 13 is communicated with.Described high-voltage switch gear can be closed when the exhaust outlet of described frequency-changeable compressor and the gas pressure on the path that first port of described cross valve is communicated with are excessive automatically, with protection convertible frequency air-conditioner unit, replys normal back until gas pressure and opens.Described low tension switch can be closed when described gas-liquid separator and the fluid pressure on the path that second port of described cross valve is communicated with are excessive automatically, with protection convertible frequency air-conditioner unit, replys normal back until fluid pressure and opens.Further, as shown in Figure 1, the described vehicle-mounted convertible frequency air-conditioner of the various embodiments described above also comprises: on the liquid outlet that device for drying and filtering 33, described device for drying and filtering 33 are arranged on described condenser 12 and the path that the inlet of described evaporimeter 15 is communicated with, with the moisture content of the liquid refrigerant on the dry path.
In conjunction with vehicle-mounted convertible frequency air-conditioner embodiment shown in Figure 1, the operation principle of vehicle-mounted convertible frequency air-conditioner described in the utility model is described, to help to understand the technical scheme that the utility model provides.
Process of refrigerastion: the high temperature and high pressure gas that comes out from frequency-changeable compressor 11 enters condenser 12 by cross valve 13.Because the outer temperature of car is lower than the refrigerant temperature that enters condenser 12, effect by means of the condensation fan of condenser 12, most of heat of the cold-producing medium that flows in condenser 12 is taken away by the car outer air, thereby high temperature and high pressure gas is condensed into the liquid of HTHP.When this high temperature high pressure liquid flows through electric expansion valve 16, because throttling action, volume becomes big suddenly and step-down, the fog-like liquid that becomes low-pressure low-temperature enters evaporimeter 15, and under level pressure, vaporize, because the temperature in cold-producing medium when vaporization in pipe is lower than circulated air in the car outside evaporimeter 15 pipes, so the heat in its energy absorption tube outer air, thereby the air themperature of the evaporimeter 15 of flowing through is reduced, thereby produce the refrigeration cool-down effect.The refrigerant vapor of having vaporized flows into gas-liquid separator 14 by cross valve, and the gas after described gas-liquid separator 14 separates is become high temperature and high pressure gas by frequency-changeable compressor suction compression, and again by condenser, reciprocation cycle has namely reached the purpose of refrigeration.
Heat process: the conduction mode of each port of cross valve changes, and makes cold-producing medium opposite during with refrigeration at the flow direction of condenser 12 and evaporimeter 15, and then reaches that outdoor when heating what blow is cold wind, and what indoor set blew is the purpose of hot blast.
As shown in Figure 4, the structural representation of the vehicle-mounted frequency-conversion air-conditioning system embodiment one that provides of the utility model.As shown in FIG., described vehicle-mounted frequency-conversion air-conditioning system comprises: and Train Control and management system (Train Control and Mangement System, TCMS) 40, car control device 41 and vehicle-mounted convertible frequency air-conditioner 42.Wherein, described Train Control and management system 40 are electrically connected with described car control device 41 by the train communication bus.Described car control device 41 is electrically connected with described vehicle-mounted convertible frequency air-conditioner 42.The described vehicle-mounted convertible frequency air-conditioner that described vehicle-mounted convertible frequency air-conditioner 42 can adopt above-mentioned arbitrary embodiment to provide.Include the more piece compartment on the train, be equipped with car control device and vehicle-mounted convertible frequency air-conditioner on every joint compartment, the car control device on all compartments all is electrically connected with described TCMS by the train communication bus, issues control instruction by TCMS is unified to all car control devices.
Particularly, the staff is by the information such as human-computer interaction interface input air-conditioning work temperature of TCMS, and described TCMS generates corresponding control instruction according to the information of staff's input, and described control instruction is issued to described car control device by the train communication bus.Described car control is controlled the operational mode of vehicle-mounted convertible frequency air-conditioner, so that the temperature in the compartment finally reaches design temperature according to described control instruction.The operational mode that vehicle-mounted convertible frequency air-conditioner is passed on according to car control device, the action of the ventilation blower of control frequency-changeable compressor, evaporimeter, condensation fan, cross valve and the electric expansion valve of condenser can move the convertible frequency air-conditioner unit according to default operational mode.
The utility model adopts frequency-changeable compressor, can realize the high frequency refrigeration or heats, and low frequency and continuous is kept constant temperature, than fixed frequency air conditioner, can avoid the frequent start-stop of compressor, and then need not electric energy storage accessory power supply inverter capacious, and power consumption obviously reduces.In addition, the utility model is by arranging cross valve in described convertible frequency air-conditioner unit, can realize that cold-producing medium is in the two-way flow of condenser and evaporimeter, namely cold-producing medium flows to evaporimeter from condenser when air conditioner refrigerating, cold-producing medium flows to condenser from evaporimeter when air-conditioning heats, the mode that existing fixed frequency air conditioner adopts electric heater to heat can effectively reduce power consumption, reaches purpose of energy saving; Because the existing fixed frequency air conditioner quality of convertible frequency air-conditioner wants light, can further reduce the quality of integral body simultaneously, help to reduce the operation energy consumption of car load, and operating cost.
Further, the vehicle-mounted frequency-conversion air-conditioning system described in above-described embodiment as shown in Figure 5, also comprises: device for detecting temperature 43.Described device for detecting temperature 43 is on described vehicle-mounted convertible frequency air-conditioner or in the compartment, and described device for detecting temperature 43 is electrically connected with described car control device 41.More specifically, described device for detecting temperature can be: one or any combination in compressor exhaust temperature sensor, return air temperature sensor, indoor air temperature sensor, evaporator temperature sensor and the condenser temperature sensor.Described compressor exhaust temperature sensor is arranged on the frequency-changeable compressor exhaust ports of described vehicle-mounted convertible frequency air-conditioner, is used for the temperature that the monitoring exhaust outlet is discharged gas.Described return air temperature sensor is arranged on the return air inlet of described vehicle-mounted convertible frequency air-conditioner, is used for the temperature of monitoring return air inlet gas.The indoor air temperature sensor is arranged in the compartment, is used for the temperature in the monitoring guest room, compartment.Described evaporator temperature sensor is arranged in the evaporimeter of vehicle-mounted convertible frequency air-conditioner, is used for the temperature in the monitoring evaporimeter.Described condenser temperature sensor is arranged in the condenser of vehicle-mounted convertible frequency air-conditioner, is used for the temperature in the monitoring condenser.One or more in described compressor exhaust temperature sensor, return air temperature sensor, evaporator temperature sensor and the condenser temperature sensor all are electrically connected with described car control device.Described car control device receives the monitor signal that carries sensor identification that the said temperature sensor sends, and exports control instruction corresponding according to monitor signal to described vehicle-mounted variable frequency air-conditioner controller, to adjust the operational mode of vehicle-mounted convertible frequency air-conditioner.
Further, above-mentioned vehicle-mounted frequency-conversion air-conditioning system as shown in Figure 5, also comprises: carbon dioxide monitoring device 44.Described carbon dioxide monitoring device 44 is arranged on the described vehicle-mounted convertible frequency air-conditioner, and described carbon dioxide monitoring device 44 is electrically connected with described car control device 41.Particularly, described carbon dioxide monitoring device is arranged in the described vehicle-mounted convertible frequency air-conditioner, to monitor the amount of carbon dioxide in the vehicle-mounted convertible frequency air-conditioner.Described Vehicle Controller receives the monitor signal that himself identifies that carries of described carbon dioxide monitoring device transmission, described Vehicle Controller gets access to amount of carbon dioxide according to described monitor signal, if the described amount of carbon dioxide that gets access to surpasses preset value, then described Vehicle Controller sends to described air-conditioning convertible frequency air-conditioner generator set controller increases new wind control instruction, so that described air-conditioning convertible frequency air-conditioner generator set controller is according to the new wind control instruction of described increase, send the trigger voltage signal that increases new wind flux to described electronic new air-valve, so that described electronic new air-valve increases new distinguished and admirable flux, increase resh air requirement, improve the comfortableness of guest room.
Vehicle-mounted frequency-conversion air-conditioning system described in the utility model is applied on the actual subway train, draws as shown in Figure 6 test resolution by actual measurement.From chart as can be seen: the fixed frequency air conditioner system that existing subway train uses, adopt that vehicle-mounted frequency-conversion air-conditioning system power saving rate in August described in the utility model is 29.84%, 9, October power saving rate surpass 40%, annual average power saving rate is 42%.In addition, as shown in Figure 7, curve 1 is the control curve of fixed frequency air conditioner among the figure, and curve 2 is No. 553 rules of UIC553(UIC standard) regulation the control curve, curve 3 is the control curve of vehicle-mounted frequency-conversion air-conditioning system described in the utility model.As can be seen from the figure, No. 553 rules of the control curve of vehicle-mounted frequency-conversion air-conditioning system described in the utility model and UIC553(UIC standard) the control curve of regulation is consistent, and temperature fluctuation is little, and comfortableness is better than the constant speed air-conditioning.
In addition, vehicle-mounted convertible frequency air-conditioner described in the utility model adopts the heat pump of contrary Carnot cycle principle to heat, draw the electric heater that adopts in the existing fixed frequency air conditioner of the utility model by actual measurement and heat mode, realized the efficient of 3 times of electrical heating heating, energy-saving efficiency obviously improves.Since the vehicle-mounted convertible frequency air-conditioner of the utility model only need and car control device between order wire and one group of power power-line, need not the existing required sequence starting control device of fixed frequency air conditioner, therefore, structure is simpler.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although have been described in detail with reference to the utility model of aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.

Claims (8)

1. a vehicle-mounted convertible frequency air-conditioner is characterized in that, comprises at least one group of convertible frequency air-conditioner unit, and described convertible frequency air-conditioner unit comprises: frequency-changeable compressor, condenser, cross valve, gas-liquid separator, evaporimeter and electric expansion valve, wherein,
The exhaust outlet of described frequency-changeable compressor is communicated with first port of described cross valve, and the air inlet of described frequency-changeable compressor is communicated with second port of described cross valve by gas-liquid separator;
The air inlet of described condenser is communicated with the 3rd port of described cross valve;
The gas outlet of described evaporimeter is communicated with the 4th port of described cross valve;
The liquid outlet of described condenser is communicated with the inlet of described evaporimeter;
On the liquid outlet that described electric expansion valve is arranged on described condenser and the path that the inlet of described evaporimeter is communicated with.
2. vehicle-mounted convertible frequency air-conditioner according to claim 1 is characterized in that, also comprises: unit casing;
Be provided with thermal insulation board in the described unit casing, the space segmentation that described thermal insulation board surrounds described unit casing is two spaces, and described thermal insulation board is provided with the through hole that is communicated with two spaces;
Described frequency-changeable compressor, condenser and gas-liquid separator are arranged in first space in described two spaces;
Described evaporimeter, cross valve and electric expansion valve are arranged in second space in described two spaces;
The gas outlet of described evaporimeter is communicated with the 4th port of described cross valve by first tube connector that passes described through hole;
The liquid outlet of described condenser is communicated with the inlet of described evaporimeter by second tube connector that passes described through hole.
3. vehicle-mounted convertible frequency air-conditioner according to claim 2 is characterized in that, the outer wall in second space of described unit casing is provided with fresh inlet, and described fresh inlet place is provided with electronic new air-valve.
4. according to arbitrary described vehicle-mounted convertible frequency air-conditioner in the claim 1 ~ 3, it is characterized in that, also comprise: low tension switch and high-voltage switch gear, wherein,
On the exhaust outlet that described high-voltage switch gear is arranged on described frequency-changeable compressor and the path that first port of described cross valve is communicated with;
Described low tension switch is arranged on described gas-liquid separator and the path that second port of described cross valve is communicated with.
5. according to arbitrary described vehicle-mounted convertible frequency air-conditioner in the claim 1~3, it is characterized in that, also comprise: on the liquid outlet that device for drying and filtering, described device for drying and filtering are arranged on described condenser and the path that the inlet of described evaporimeter is communicated with.
6. a vehicle-mounted frequency-conversion air-conditioning system is characterized in that, comprising: Train Control and management system, car control device and aforesaid right require arbitrary described vehicle-mounted convertible frequency air-conditioner in 1~5; Wherein,
Described Train Control and management system are electrically connected with described car control device by the train communication bus;
Described car control device is electrically connected with described vehicle-mounted convertible frequency air-conditioner.
7. vehicle-mounted frequency-conversion air-conditioning system according to claim 6 is characterized in that, also comprises: device for detecting temperature, described device for detecting temperature are on described vehicle-mounted convertible frequency air-conditioner or in the compartment, and described device for detecting temperature is electrically connected with described car control device.
8. according to claim 6 or 7 described vehicle-mounted frequency-conversion air-conditioning systems, it is characterized in that, also comprise: carbon dioxide monitoring device, described carbon dioxide monitoring device are arranged on the described vehicle-mounted convertible frequency air-conditioner, and described carbon dioxide monitoring device is electrically connected with described car control device.
CN2012206958631U 2012-12-14 2012-12-14 Vehicle-mounted variable frequency air conditioner and system Expired - Lifetime CN203190708U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012206958631U CN203190708U (en) 2012-12-14 2012-12-14 Vehicle-mounted variable frequency air conditioner and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012206958631U CN203190708U (en) 2012-12-14 2012-12-14 Vehicle-mounted variable frequency air conditioner and system

Publications (1)

Publication Number Publication Date
CN203190708U true CN203190708U (en) 2013-09-11

Family

ID=49107562

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012206958631U Expired - Lifetime CN203190708U (en) 2012-12-14 2012-12-14 Vehicle-mounted variable frequency air conditioner and system

Country Status (1)

Country Link
CN (1) CN203190708U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760601A (en) * 2015-03-24 2015-07-08 金鑫美莱克空调系统(无锡)有限公司 Variable frequency heat pump air conditioner of rail traffic vehicle
CN108592440A (en) * 2018-04-16 2018-09-28 广州鼎汉轨道交通车辆装备有限公司 A kind of Efficient track heat pump air conditioning system and its Defrost method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760601A (en) * 2015-03-24 2015-07-08 金鑫美莱克空调系统(无锡)有限公司 Variable frequency heat pump air conditioner of rail traffic vehicle
CN108592440A (en) * 2018-04-16 2018-09-28 广州鼎汉轨道交通车辆装备有限公司 A kind of Efficient track heat pump air conditioning system and its Defrost method

Similar Documents

Publication Publication Date Title
CN106938601B (en) Electric automobile heat pump air conditioning system and control method thereof
CN203533802U (en) Air-conditioning system
CN100538208C (en) A kind of double-temperature refrigerator water/cold wind unit
CN105571017A (en) Fresh air processing unit
CN104266401B (en) Heat pump air conditioning system manufactured by using method for recovering exhaust heat of electric automobile
CN107139680B (en) Air conditioning system and control method thereof
CN101294727A (en) Cooling by-pass structure of electric appliance control box of frequency conversion type air conditioner outdoor unit
CN103604241B (en) Air-conditioner and control method thereof
US11828507B2 (en) Air conditioning system and control method therefor
CN105042748B (en) Machine room air conditioner
CN112378004B (en) Air conditioning apparatus
CN102628626B (en) Air conditioning dehumidification evaporative type condensation three-work-condition cold and hot water unit
CN102620477A (en) Double-cold-source full fresh air heat pump dehumidification unit
CN102269453A (en) Integrated energy-saving air conditioner
CN208671281U (en) A kind of pipe heat recovery type thermostatic and humidistatic air conditioning unit group of drive device
CN203190708U (en) Vehicle-mounted variable frequency air conditioner and system
CN207015109U (en) Air conditioning system
CN102829519B (en) Dehumidifying unit of double cold source all fresh air heat pump provided with cold carrying heat exchanger
CN209365821U (en) A kind of single system changes in temperature pure electric vehicle air-conditioning using R410a refrigerant
CN209569830U (en) Modular multi-function air conditioner used in kitchen refrigeration unit
CN204149808U (en) A kind of air conditioner for electric motor coach adopting Electronic Valve
CN203518084U (en) Dehumidifying and temperature-adjusting air-cooled unit
CN202630536U (en) Novel cold and hot water unit of air-cooled screw heat pump
CN214746185U (en) Air conditioner constant temperature optimizing apparatus for spinning
CN205505464U (en) Environmental protection and energy saving type water source temperature and humidity regulation equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory

Patentee after: CRRC TANGSHAN Co.,Ltd.

Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory

Patentee before: TANGSHAN RAILWAY VEHICLE Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130911