CN202734341U - Heat pump air-conditioning mechanism - Google Patents
Heat pump air-conditioning mechanism Download PDFInfo
- Publication number
- CN202734341U CN202734341U CN 201220345929 CN201220345929U CN202734341U CN 202734341 U CN202734341 U CN 202734341U CN 201220345929 CN201220345929 CN 201220345929 CN 201220345929 U CN201220345929 U CN 201220345929U CN 202734341 U CN202734341 U CN 202734341U
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- heat converter
- valve
- heat pump
- heat exchanger
- indoor
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a heat pump air-conditioning mechanism which comprises a heat pump mechanism; the heat pump mechanism comprises a compressor; the compressor is driven by a hydraulic motor; the heat pump mechanism also comprises a four-way valve, an outdoor heat exchanger, a cooling fan, a first indoor heat exchanger, a second indoor heat exchanger, blowers, a first expansion valve, a second expansion valve and an air-liquid separator; the compressor, the four-way valve, the outdoor heat exchanger, the first indoor heat exchanger, the second indoor heat exchanger, the first expansion valve, the second expansion valve and the air-liquid separator are assembled and connected through a pipeline; the blowers are arranged on the first indoor heat exchanger 11 and the second indoor heat exchanger; and the cooling fan is arranged on the outdoor heat exchanger. According to the heat pump air-conditioning mechanism, the structure is simple, the use is safe and reliable, and the energy is saved.
Description
Technical field
The utility model relates to a kind of heat pump air conditioner mechanism, especially a kind of engineering machinery heat pump air conditioner mechanism.
Background technology
The heating of existing engineering machinery heat pump mainly adopts fuel heater, the fuel heater complex structure, reliability is relatively relatively poor and cost is higher, existing made domestic fuel heater adopts the low pressure feed system of centrifugal spraying structure more, this structure atomization quality is relatively poor, thereby cause smoke evacuation serious, can not satisfy emission request.Igniter plug is easily tied carbon simultaneously, thereby causes ignition difficulties.
Summary of the invention
It is a kind of simple in structure, safe and reliable that the purpose of this utility model is to provide, and saves the heat pump air conditioner mechanism of the energy.
In order to achieve the above object, the technical solution of the utility model is: a kind of heat pump air conditioner mechanism, comprise heat pump mechanism, and heat pump mechanism comprises compressor, compressor passes through fluid motor-driven.
Described heat pump mechanism also comprises cross valve, outdoor heat converter, cooling fan, the first indoor heat converter, the second indoor side heat exchanger, air blast, the first expansion valve, the second expansion valve and gas-liquid separator, compressor, cross valve, outdoor heat converter, the first indoor heat converter, the second indoor heat converter, the first expansion valve, the second expansion valve and gas-liquid separator are by the pipeline assembly connection, air blast is positioned at the first indoor heat converter and the second indoor side heat exchanger place, and cooling fan is positioned at the outdoor heat converter place.
Have the first check valve between described cross valve and the outdoor heat converter, have the second check valve and the first by-passing valve between cross valve and the first inner heat exchanger, also have the second by-passing valve between the second indoor heat converter and the outdoor heat converter.
After adopting said structure, because changing compressor passes through fluid motor-driven, therefore simple in structure, adopt fluid motor-driven can realize the compressor stabilized (steady-state) speed of required heat pump mechanism, thereby for air-conditioning provides stable refrigeration, the hydraulic power source of hydraulic motor comes from the hydraulic system of engineering machinery main frame, and is therefore safe and reliable, saves the energy.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.
Referring to shown in Figure 1, a kind of heat pump air conditioner mechanism comprises heat pump mechanism 17, and heat pump mechanism 17 comprises compressor 1, and compressor 1 drives by hydraulic motor 2.
Referring to shown in Figure 1, in order to reach refrigeration and heating effect, described heat pump mechanism 17 also comprises cross valve 4, outdoor heat converter 7, cooling fan 8, the first indoor heat converter 11, the second indoor side heat exchanger 12, air blast 13, the first expansion valve 10, the second expansion valve 14 and gas-liquid separator 16, compressor 1, cross valve 4, outdoor heat converter 7, the first indoor heat converter 11, the second indoor heat converter 12, the first expansion valve 10, the second expansion valve 14 and gas-liquid separator 16 are by the pipeline assembly connection, air blast 13 is positioned at the first indoor heat converter 11 and the second indoor side heat exchanger 12 places, and cooling fan 8 is positioned at outdoor heat converter 7 places.
Referring to shown in Figure 1, in order to control the overheated of heat pump mechanism and excessively cold, has the first check valve 5 between described cross valve 4 and the outdoor heat converter 7, have between cross valve 4 and the first inner heat exchanger 11 between the second check valve 6 and the first by-passing valve 9, the second indoor heat converters 12 and the outdoor heat converter 7 and also have the second by-passing valve 15.
Referring to shown in Figure 1, when the utility model uses, cross valve 4 commutations, at this moment the second indoor heat converter 12 serves as evaporimeter, and outdoor heat converter 7 serves as condenser, enters gas-liquid separator 16, the drop in gas-liquid separator 16 separate vapours from the low-temp low-pressure superheated steam of the second indoor heat converter 12, vapours is sucked by compressor 1 by air entry, and the steam that becomes HTHP by compressor 1 is discharged.Steam enters outdoor heat converter 7 by blast pipe through cross valve 4, outdoor heat exchanger 7 serves as condenser, steam is dispersed into heat outdoor by condenser, steam-condensation became cold high pressure liquid refrigerant, cross cold cold-producing medium and enter into the second expansion valve 14, sub-cooled liquid refrigerant increases refrigerant volume by the second expansion valve 14, pressure drop, change the moist steam of low-temp low-pressure into, moist steam enters heat absorption evaporation in the second indoor heat converter 12, change low-pressure superheated steam into, thereby the phase transformation meeting of cold-producing medium absorption makes the air themperature in exit reduce the purpose that reaches refrigeration by the second indoor heat converter 12 by air heat in the car of cfentrifugal blower 13 suctions.Then superheated steam enters next circulation by gas-liquid separator 16 again.
When heating, cross valve 4 commutations, at this moment the first indoor heat converter 11 serves as condenser, and outdoor heat converter 7 serves as evaporimeter, enter gas-liquid separator 16 from the low-temp low-pressure superheated steam of outdoor heat converter 7, drop in gas-liquid separator 16 separate vapours, dried superheated steam is sucked by compressor 1 by air entry, the steam that becomes HTHP by compressor 1 is discharged, steam enters the first indoor heat exchange 11 by blast pipe through cross valve 4, the first indoor side heat exchanger 11 serves as condenser, and steam will heat air in the car that is sucked by cfentrifugal blower 13 by condenser, and steam-condensation became cold high pressure liquid refrigerant.Cross cold cold-producing medium and enter into the first expansion valve 10.Sub-cooled liquid refrigerant increases refrigerant volume by expansion valve 10, and pressure drop changes the moist steam of low-temp low-pressure into.Moist steam enters heat absorption evaporation in the outdoor heat converter 7, changes low-pressure superheated steam into.This moment second, by-passing valve 15 was opened, and superheated steam enters next circulation by gas-liquid separator 16 again through the second by-passing valve 15.
When drying defrosting, cross valve 4 commutations.At this moment the first indoor heat converter 11 and outdoor heat converter 7 serve as condenser, and the second indoor heat converter 12 serves as evaporimeter, enter gas-liquid separator 16 from the low-temp low-pressure superheated steam of the second indoor heat converter 12 through the second by-passing valve 15, drop in gas-liquid separator 16 separate vapours, dried superheated steam is sucked by compressor 1 by air entry, the steam that becomes HTHP by compressor 1 is discharged, steam enters the first indoor heat converter 11, the first interior heat exchangers 11 by blast pipe through cross valve 4 and serves as condenser.Steam will heat air in the car that is sucked by cfentrifugal blower 13 by condenser, steam-condensation becomes high pressure liquid refrigerant, this moment first, by-passing valve 9 was opened, enter outdoor heat converter 7 further coolings through the first by-passing valve 9 cold-producing mediums and become sub-cooled liquid refrigerant, sub-cooled liquid refrigerant enters into the second expansion valve 14, sub-cooled liquid refrigerant increases refrigerant volume by expansion valve 14, pressure drop, change the moist steam of low-temp low-pressure into, moist steam enters heat absorption evaporation in the second indoor heat converter 12, thereby to air cooling dehumidification in the car of air blast 13 suctions, air through drying is heated as hot-air by the first indoor heat converter 11 again glass for vehicle window is defrosted or demist, moist steam changes low-pressure superheated steam in the second interior heat exchanger 12 outlets, this moment second, by-passing valve 15 was opened, and superheated steam enters next circulation by gas-liquid separator 16 again through the second by-passing valve 15.
The utility model is by hydraulic motor 2 drive compression machines 1, and the hydraulic power source of hydraulic motor 2 comes from the hydraulic system of engineering machinery main frame, and is therefore safe and reliable, saves the energy.
Claims (3)
1. a heat pump air conditioner mechanism comprises heat pump mechanism (17), and heat pump mechanism (17) comprises compressor (1), it is characterized in that: compressor (1) drives by hydraulic motor (2).
2. heat pump air conditioner according to claim 1 mechanism, it is characterized in that: described heat pump mechanism (17) also comprises cross valve (4), outdoor heat converter (7), cooling fan (8), the first indoor heat converter (11), the second indoor side heat exchanger (12), air blast (13), the first expansion valve (10), the second expansion valve (14) and gas-liquid separator (16), compressor (1), cross valve (4), outdoor heat converter (7), the first indoor heat converter (11), the second indoor heat converter (12), the first expansion valve (10), the second expansion valve (14) and gas-liquid separator (16) are by the pipeline assembly connection, air blast (13) is positioned at the first indoor heat converter (11) and the second indoor side heat exchanger (12) is located, and cooling fan (8) is positioned at outdoor heat converter (7) and locates.
3. heat pump air conditioner according to claim 1 mechanism, it is characterized in that: have the first check valve (5) between described cross valve (4) and the outdoor heat converter (7), have the second check valve (6) and the first by-passing valve (9) between cross valve (4) and the first inner heat exchanger (11), also have the second by-passing valve (15) between the second indoor heat converter (12) and the outdoor heat converter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220345929 CN202734341U (en) | 2012-07-17 | 2012-07-17 | Heat pump air-conditioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220345929 CN202734341U (en) | 2012-07-17 | 2012-07-17 | Heat pump air-conditioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734341U true CN202734341U (en) | 2013-02-13 |
Family
ID=47660034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220345929 Expired - Fee Related CN202734341U (en) | 2012-07-17 | 2012-07-17 | Heat pump air-conditioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202734341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972730A (en) * | 2016-05-26 | 2016-09-28 | 广东美博制冷设备有限公司 | Air conditioning system |
-
2012
- 2012-07-17 CN CN 201220345929 patent/CN202734341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972730A (en) * | 2016-05-26 | 2016-09-28 | 广东美博制冷设备有限公司 | Air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20160717 |