CN204659732U - DC600V integrated variable frequency heat pump air conditioner - Google Patents
DC600V integrated variable frequency heat pump air conditioner Download PDFInfo
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- CN204659732U CN204659732U CN201520197567.2U CN201520197567U CN204659732U CN 204659732 U CN204659732 U CN 204659732U CN 201520197567 U CN201520197567 U CN 201520197567U CN 204659732 U CN204659732 U CN 204659732U
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Abstract
The utility model discloses DC600V integrated variable frequency heat pump air conditioner, it comprises the cabinet of open at one end and is arranged on the case lid of cabinet opening end, at least one group of frequency conversion heat pump air-conditioning unit is provided with in described cabinet, described frequency conversion heat pump air-conditioning unit comprises the condenser by pipeline communication being arranged on cabinet inside, condensation fan, evaporator, evaporation fan, frequency-changeable compressor, four-way change-over valve and device for drying and filtering, the voltage input end of described frequency-changeable compressor is connected with compressor inverter, cross to increase in air-conditioner set compressor inverter directly by the DC600V power supply of vehicle to frequency-changeable compressor conversion power supply, reduce original passenger vehicle and convert power supply to AC380V supply air-conditioner set from DC600V by subordinate inverter, and then need the frequency converter of air-conditioner set power supply to be become DC600V again to the process that compressor variable frequency is powered, thus save the subordinate inverter that passenger train is the setting of air-conditioning power supply station, reach the object reduced costs.
Description
Technical field
The utility model relates to a kind of air-conditioning in field of air conditioning used for rail vehicle, particularly a kind of DC600V integrated variable frequency heat pump air conditioner.
Background technology
Railway vehicle air conditioner and general commercial and civil air conditioner exist very large different, and rail vehicle air conditioner group is the special a/c system of one being specifically designed to railway transport of passengers train.There is following features:
(1) vehicle air conditioning unit is installed on the guideway vehicle of motion, is in high-speed motion and vibratory impulse state.
(2) environment of wind and weather, Exposure to Sunlight, high temperature, severe cold will be adapted to.
(3) vehicle air conditioning unit is when refrigerating operaton, can produce a large amount of heats, needs to dispel the heat in time, otherwise there will be compressor high voltage protective and start and cause the problem that cannot normally freeze.
(4) weight of vehicle air conditioning unit and space are subject to strict restriction, compact conformation.
At present, the producer of domestic development & production passenger train DC600V integrated variable frequency heat pump air conditioner does not almost have, and major cause is the conventional standard of input power being applied to carriage air conditioner is 3 phase AC380V, 50Hz.And DC600V power supply is the power supply standard of vehicle powering system, passenger train is used alone the source of AC that DC600V direct supply is converted into the use of supply air-conditioner set by independently subordinate inverter.This power conversion building block technique content is large, and cost is high.And the domestic producer possessing guideway vehicle convertible frequency air-conditioner machine set technology is also very few, major cause drives the frequency converter of air-conditioning compressor to have very high technical requirements, the reliability of general commercial frequency converter under vibratory impulse environment cannot reach the operating needs of vehicle air conditioning, and therefore railway air conditioner converter technique is also pith.In existing technology, the DC600V power supply of vehicle is powered to compressor variable frequency, originally passenger vehicle needs to convert power supply to AC380V from DC600V by subordinate inverter and supplies air-conditioner set, and then needs the frequency converter of air-conditioner set that power supply is become DC600V to power to compressor variable frequency again.Therefore, the air-conditioning that a kind of energy is directly connected with vehicle DC600V power supply is needed.
Utility model content
The purpose of this utility model, be to provide a kind of DC600V integrated variable frequency heat pump air conditioner, it directly can connect the DC600V power supply of vehicle, and cancelling passenger vehicle is the subordinate inverter that air-conditioning power supply station is arranged, and greatly reduces integral vehicle cost.
The solution that the utility model solves its technical matters is: DC600V integrated variable frequency heat pump air conditioner, it comprises the cabinet of open at one end and is arranged on the case lid of cabinet opening end, at least one group of frequency conversion heat pump air-conditioning unit is provided with in described cabinet, described frequency conversion heat pump air-conditioning unit comprises the condenser by pipeline communication, condensation fan, evaporator, evaporation fan, frequency-changeable compressor, four-way change-over valve and the device for drying and filtering that are arranged on cabinet inside, and the voltage input end of described frequency-changeable compressor is connected with compressor inverter.
As the further improvement of technique scheme, the group number of described frequency conversion heat pump air-conditioning unit is two groups, and described in two groups, frequency conversion heat pump air-conditioning unit shares same evaporator.
As the further improvement of technique scheme, the voltage input end of each described frequency-changeable compressor all configures a compressor inverter.
As the further improvement of technique scheme, the position of described compressor inverter close wall box between frequency-changeable compressor and evaporator.
As the further improvement of technique scheme, described evaporation fan, evaporator and condenser are distributed in cabinet successively, described evaporation fan is embedded in the position between two frequency-changeable compressors outside cabinet, two described condensers are arranged in parallel in the both sides of cabinet, and two described condensation fans are between two condensers.
As the further improvement of technique scheme, described frequency-changeable compressor is vertical vortex frequency-changeable compressor.
As the further improvement of technique scheme, the voltage input end of described evaporation fan and condensation fan is connected with blower fan inverter.
The beneficial effects of the utility model are: the utility model by increase in air-conditioner set compressor inverter directly by the DC600V power supply of vehicle to frequency-changeable compressor conversion power supply, reduce original passenger vehicle and convert power supply to AC380V supply air-conditioner set from DC600V by subordinate inverter, and then need the frequency converter of air-conditioner set power supply to be become DC600V again to the process that compressor variable frequency is powered, thus save the subordinate inverter that passenger train is the setting of air-conditioning power supply station; Compressor inverter is arranged on air-conditioner set inside, multistage frequency conversion speed governing can be accomplished, while meeting reliability, also reach the object reduced costs.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, instead of whole embodiment, and those skilled in the art, under the prerequisite not paying creative work, can also obtain other design plans and accompanying drawing according to these accompanying drawings.
Fig. 1 is birds-eye view of the present utility model;
Fig. 2 is isometric views of the present utility model.
Detailed description of the invention
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.In addition, all connection/annexations mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.
With reference to Fig. 1 ~ Fig. 2, DC600V integrated variable frequency heat pump air conditioner, it comprises the cabinet 1 of open at one end and is arranged on the case lid 2 of cabinet 1 opening end, at least one group of frequency conversion heat pump air-conditioning unit is provided with in described cabinet 1, described frequency conversion heat pump air-conditioning unit comprises the condenser 6 by pipeline communication, condensation fan 5, evaporator 4, evaporation fan 3, frequency-changeable compressor 2, four-way change-over valve 7 and the device for drying and filtering 8 that are arranged on cabinet 1 inside, and the voltage input end of described frequency-changeable compressor 2 is connected with compressor inverter 20.
By increase in air-conditioner set compressor inverter 20 directly by the DC600V power supply of vehicle to frequency-changeable compressor 2 conversion power supply, reduce original passenger vehicle and convert power supply to AC380V supply air-conditioner set from DC600V by subordinate inverter, and then need the frequency converter of air-conditioner set power supply to be become DC600V again to the process that compressor variable frequency is powered, thus save the subordinate inverter that passenger train is the setting of air-conditioning power supply station; Compressor inverter 20 is arranged on air-conditioner set inside, multistage frequency conversion speed governing can be accomplished, while meeting reliability, also reach the object reduced costs.The utility model utilizes heat pump techniques to carry out warming, greatly can improve heating efficiency in winter, reduces energy consumption; Avoid the major accident generation that electro heat causes air-conditioning on fire because surface temperature is too high, heating operation is safe and reliable.The electric heater quantity in compartment can also be reduced simultaneously, reach the object reducing vehicle cost.
Be further used as preferred embodiment, the group number of described frequency conversion heat pump air-conditioning unit is two groups, and frequency conversion heat pump air-conditioning unit described in two groups shares same evaporator 4, and compact conformation makes full use of evaporator 4, when improving output efficiency, reduces costs.
Be further used as preferred embodiment, the voltage input end of each described frequency-changeable compressor 2 all configures a compressor inverter 20, one compressor inverter 20 controls the input voltage of a frequency-changeable compressor 2, ensures frequency-changeable compressor 2 stable operation, is also convenient to safeguard.
Be further used as preferred embodiment, the position of described compressor inverter 20 close wall box between frequency-changeable compressor 2 and evaporator 4.
Be further used as preferred embodiment, described evaporation fan 3, evaporator 4 and condenser 6 are distributed in cabinet 1 successively, described evaporation fan 3 is embedded in the position between two frequency-changeable compressors 2 outside cabinet 1, two described condensers 6 are arranged in parallel in the both sides of cabinet 1, and two described condensation fans 5 are between two condensers 6.
Be further used as preferred embodiment, described frequency-changeable compressor 2 is vertical vortex frequency-changeable compressor, adopt high, the variable-frequency vertical vortex frequency-changeable compressor of efficiency, utilize PLC as controller, control according to the temperature in car, and utilize frequency converter to change the running frequency of frequency-changeable compressor 2 to adjust refrigerating capacity, make the variable load tight fit in refrigerating capacity and compartment, reduce temperature fluctuation in compartment, add the traveling comfort of passenger.Reach the start-stop number of times reducing compressor simultaneously, improve the life-span of compressor.
Be further used as preferred embodiment, the voltage input end of described evaporation fan 3 and condensation fan 5 is connected with blower fan inverter 30, it is other that blower fan inverter 30 is positioned at compressor inverter 20, by blower fan inverter 30, DC600 is converted into AC380 and works for evaporation fan 3 and condensation fan 5.
More than that better embodiment of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (7)
1.DC600V integrated variable frequency heat pump air conditioner, it is characterized in that: it comprises the cabinet of open at one end and is arranged on the case lid of cabinet opening end, at least one group of frequency conversion heat pump air-conditioning unit is provided with in described cabinet, described frequency conversion heat pump air-conditioning unit comprises the condenser by pipeline communication, condensation fan, evaporator, evaporation fan, frequency-changeable compressor, four-way change-over valve and the device for drying and filtering that are arranged on cabinet inside, and the voltage input end of described frequency-changeable compressor is connected with compressor inverter.
2. DC600V integrated variable frequency heat pump air conditioner according to claim 1, is characterized in that: the group number of described frequency conversion heat pump air-conditioning unit is two groups, and described in two groups, frequency conversion heat pump air-conditioning unit shares same evaporator.
3. DC600V integrated variable frequency heat pump air conditioner according to claim 2, is characterized in that: the voltage input end of each described frequency-changeable compressor all configures a compressor inverter.
4. the DC600V integrated variable frequency heat pump air conditioner according to claim 1 or 2 or 3, is characterized in that: the position of described compressor inverter close wall box between frequency-changeable compressor and evaporator.
5. the DC600V integrated variable frequency heat pump air conditioner according to Claims 2 or 3, it is characterized in that: described evaporation fan, evaporator and condenser are distributed in cabinet successively, described evaporation fan is embedded in the position between two frequency-changeable compressors outside cabinet, two described condensers are arranged in parallel in the both sides of cabinet, and two described condensation fans are between two condensers.
6. the DC600V integrated variable frequency heat pump air conditioner according to claim 1 or 2 or 3, is characterized in that: described frequency-changeable compressor is vertical vortex frequency-changeable compressor.
7. the DC600V integrated variable frequency heat pump air conditioner according to claim 1 or 2 or 3, is characterized in that: the voltage input end of described evaporation fan and condensation fan is connected with blower fan inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197567.2U CN204659732U (en) | 2015-04-02 | 2015-04-02 | DC600V integrated variable frequency heat pump air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197567.2U CN204659732U (en) | 2015-04-02 | 2015-04-02 | DC600V integrated variable frequency heat pump air conditioner |
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| CN204659732U true CN204659732U (en) | 2015-09-23 |
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| CN201520197567.2U Active CN204659732U (en) | 2015-04-02 | 2015-04-02 | DC600V integrated variable frequency heat pump air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972894A (en) * | 2016-05-06 | 2016-09-28 | 方金湘 | Direct-current variable-frequency air conditioning unit of electric bus |
| CN113525437A (en) * | 2021-06-30 | 2021-10-22 | 广州鼎汉轨道交通车辆装备有限公司 | R744 refrigerant heat pump air conditioning unit, system and control method thereof |
-
2015
- 2015-04-02 CN CN201520197567.2U patent/CN204659732U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972894A (en) * | 2016-05-06 | 2016-09-28 | 方金湘 | Direct-current variable-frequency air conditioning unit of electric bus |
| CN113525437A (en) * | 2021-06-30 | 2021-10-22 | 广州鼎汉轨道交通车辆装备有限公司 | R744 refrigerant heat pump air conditioning unit, system and control method thereof |
| CN113525437B (en) * | 2021-06-30 | 2023-10-03 | 广州鼎汉轨道交通车辆装备有限公司 | R744 refrigerant heat pump air conditioning unit, system and control method thereof |
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