CN201637186U - One-connected-more air-conditioning heat pump unit - Google Patents
One-connected-more air-conditioning heat pump unit Download PDFInfo
- Publication number
- CN201637186U CN201637186U CN2010290680635U CN201029068063U CN201637186U CN 201637186 U CN201637186 U CN 201637186U CN 2010290680635 U CN2010290680635 U CN 2010290680635U CN 201029068063 U CN201029068063 U CN 201029068063U CN 201637186 U CN201637186 U CN 201637186U
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- heat exchanger
- communicates
- compressor
- pump unit
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a one-connected-more air-conditioning heat pump unit which comprises a compressor, an oil separator, a four-way valve, an external heat exchanger, more than two internal heat exchangers and a low-pressure liquid storing tank, wherein an exhaust opening of the compressor is communicated with a first interface of the four-way valve after passing through the oil separator; a second interface of the four-way valve is communicated with one end of the external heat exchanger; the other end of the external heat exchanger is communicated with one end of each internal heat exchanger; the other end of each heat exchanger is communicated with a fourth port of the four-way valve; a third interface of the four-way valve is communicated with one end of the low-pressure liquid storing tank; the other end of the low-pressure liquid storing tank is communicated with a sucking opening of the compressor; the one-connected-more air-conditioning heat pump unit also comprises an external shunting capillaries and more than two external electronic expanding valves; a collecting opening and more than two shunting openings are arranged on each external shunting capillary; and the other end of the external heat exchanger is communicated with the collecting openings of the external shunting capillaries. The utility model has flexible operation, low manufacture cost and lower failure rate and maintenance cost.
Description
Technical field
The utility model relates to a kind of one and drags many air conditioner and heat pump unit.
Background technology
Traditional one drags many air conditioner and heat pump unit, comprising: 1) utilize a plurality of constant speed compressors to connect a plurality of indoor sets respectively one to one, still one-to-one category on this technological essence.2) combination that utilizes frequency-changeable compressor or frequency conversion to add constant speed compressor connects a plurality of indoor sets, drag many heat pump air conditioners as disclosing a kind of one among the Chinese patent literature CN2327960Y, comprise compressor, condenser, outdoor machine fan, capillary, high pressure valve, tube connector, indoor set, high pressure valve and reservoir,. also comprise the temperature detector suitable with indoor set quantity, temperature detector is located on the coil pipe of heat exchanger indoor unit; Also comprise a cross valve, an end of cross valve is communicated with compressor, and the other end of cross valve is communicated with reservoir, and the another end of cross valve is communicated with an end of condenser, and last end of cross valve is communicated with an end of low pressure valve.The air-conditioning heat pump device of this structure needs a plurality of branch pipes, and indoor set need be dialled ability sign indicating number and address code.Its control is complicated, cost of manufacture is higher, higher, the construction costs costliness, and the installation exercise amount is big, and is out of order easily, the maintenance cost height.
The utility model content
The purpose of this utility model aims to provide that a kind of simple and reasonable, flexible operation, cost of manufacture are low, fault rate and maintenance cost are all lower, applied widely one drags many air conditioner and heat pump unit, to overcome weak point of the prior art.
Drag many air conditioner and heat pump unit by a kind of one of this purpose design, comprise compressor, oil eliminator, cross valve, outer machine heat exchanger, interior machine heat exchanger more than two, low-pressure liquid storing tank, the exhaust outlet of compressor communicates with first interface of cross valve through behind the oil eliminator, second interface of cross valve communicates with an end of outer machine heat exchanger, the other end of outer machine heat exchanger communicates with an end of interior machine heat exchanger more than two, the other end of the heat exchanger more than two communicates with the 4th port of cross valve, the 3rd interface of cross valve communicates with an end of low-pressure liquid storing tank, the other end of low-pressure liquid storing tank communicates with the air entry of compressor, it is characterized in that also comprising an outer machine shunting capillary and the outer organic electronic expansion valve more than two, outer machine shunting capillary is provided with one and compiles mouth and the outlet of the branch more than two, the other end of outer machine heat exchanger communicates with the outer machine shunting mouth that compiles capillaceous, and an outer organic electronic expansion valve is serially connected in outer machine and shunts between the end of a branch outlet capillaceous and an interior machine heat exchanger.
The other end of described interior machine heat exchanger more than two compiles the back and communicates with the 4th interface of cross valve.
Described air conditioner and heat pump unit also comprises the oil return capillary, and an oil return end capillaceous communicates with oil eliminator, and the oil return other end capillaceous is serially connected between the air entry of the other end of low-pressure liquid storing tank and compressor.
Described compressor is a frequency-changeable compressor.
The utility model adopts the separate unit frequency-changeable compressor, by the open and close of the outer organic electronic expansion valve of interior machine signal controlling, and according to temperature sensor signal control corresponding in the cold medium flux of machine, realized independent control to machine in each.Compare with a plurality of compressor assemblies of traditional use, the utility model can be saved the material cost of outer machine greatly, saves the project installation cost and saves electric energy.
When the utility model uses, control the cold medium flux of each corresponding interior machine respectively, thereby reach independent control machine in each by the outer organic electronic expansion valve more than two; Carry out multistage energy control in the same refrigeration system, can satisfy indoor set is carried out separately and Linear Control, realize that one drags generalization many and the outer machine of one-to-one; Compare with a plurality of compressor assemblies of traditional use, can save the material cost of outer machine greatly, save the project installation cost and save electric energy.
The utlity model has simple and reasonable, flexible operation, easy for installation, cost of manufacture is low, fault rate is low, maintenance cost is low and advantage of wide range of application.
Description of drawings
Fig. 1 is the utility model one example structure schematic diagram.
Among the figure: 1 is compressor, and 2 is oil eliminator, and 3 is cross valve, and 4 is outer machine heat exchanger, and 5 is outer machine shunting capillary, and 6 is outer organic electronic expansion valve, and 7 is interior machine heat exchanger, and 8 is low-pressure liquid storing tank, and 9 are the oil return capillary.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1, a kind of one drags many air conditioner and heat pump unit, comprises compressor 1, oil eliminator 2, cross valve 3, outer machine heat exchanger 4, outer machine shunting capillary 5, four outer organic electronic expansion valves 6, four interior machine heat exchangers 7, low-pressure liquid storing tank 8 and oil return capillaries 9.
Compressor 1 is a frequency-changeable compressor.The exhaust outlet of compressor 1 communicates with the first interface a of cross valve 3 through oil eliminator 2 backs, the second interface b of cross valve 3 communicates with an end of outer machine heat exchanger 4, the other end of outer machine heat exchanger 4 communicates with an end of interior machine heat exchanger 7 more than two, the other end of the heat exchanger more than two communicates with the 4th port d of cross valve 3, the 3rd interface c of cross valve 3 communicates with an end of low-pressure liquid storing tank 8, and the other end of low-pressure liquid storing tank 8 communicates with the air entry of compressor 1.
Outer machine shunting capillary 5 is provided with one and compiles mouthful m and four branch outlets h, i, j and k, the other end of outer machine heat exchanger 4 communicates with mouthful m that compiles of outer machine shunting capillary 5, outer organic electronic expansion valve 6 be serially connected in that outer machine shunts that a branch of capillary 5 exports and an end of an interior machine heat exchanger 7 between.The other end of four interior machine heat exchangers 7 compiles the back and communicates with the 4th interface d of cross valve 3.
One end of oil return capillary 9 communicates with oil eliminator 2, and the other end of oil return capillary 9 is serially connected between the air entry of the other end of low-pressure liquid storing tank 8 and compressor 1.
Interior machine heat exchanger in the present embodiment is a parallel-connection structure, is provided with an outer organic electronic expansion valve 6 as switch in every parallel branch.
Outer machine heat exchanger in the present embodiment can be for more than one, and when it was two, two outer machine heat exchangers were in parallel, communicates with mouthful m that compiles of outer machine shunting capillary 5 after the other end after its parallel connection compiles again.
Present embodiment adopts the separate unit frequency-changeable compressor, open and close by the outer organic electronic expansion valve of interior machine start-stop signal controlling, and according to temperature sensor signal control corresponding in the cold medium flux of machine, realized independent control to machine in each, be particularly suitable for often only opening the occasion of the interior machine of part.
(1) under refrigeration mode, cross valve is closed, and refrigerant flow direction order is as follows:
Compressor → oil eliminator → cross valve → outer machine heat exchanger → outer organic electronic expansion valve → interior machine heat exchanger → cross valve → low-pressure liquid storing tank → compressor.
(2) under heating mode, cross valve is opened, and refrigerant flow direction order is as follows:
Compressor → oil eliminator → cross valve → interior machine heat exchanger → outer organic electronic expansion valve → outer machine heat exchanger → cross valve → low-pressure liquid storing tank → compressor.
Claims (4)
1. one kind one is dragged many air conditioner and heat pump unit, comprise compressor (1), oil eliminator (2), cross valve (3), outer machine heat exchanger (4), interior machine heat exchanger (7) more than two and low-pressure liquid storing tank (8), the exhaust outlet of compressor communicates with first interface (a) of cross valve through behind the oil eliminator, second interface (b) of cross valve communicates with an end of outer machine heat exchanger, the other end of outer machine heat exchanger communicates with an end of interior machine heat exchanger (7) more than two, the other end of the heat exchanger more than two communicates with the 4th port (d) of cross valve, the 3rd interface (c) of cross valve communicates with an end of low-pressure liquid storing tank, the other end of low-pressure liquid storing tank communicates with the air entry of compressor, it is characterized in that also comprising an outer machine shunting capillary (5) and the outer organic electronic expansion valve (6) more than two; Outer machine shunting capillary is provided with one and compiles mouthful (m) and the outlet of the branch more than two; The other end of outer machine heat exchanger communicates with the outer machine shunting mouth that compiles capillaceous; An outer organic electronic expansion valve is serially connected in outer machine and shunts between the end of a branch outlet capillaceous and an interior machine heat exchanger.
2. according to claim 1 one drags many air conditioner and heat pump unit, and the other end that it is characterized in that described interior machine heat exchanger (7) more than two compiles the back and communicates with the 4th interface (d) of cross valve (3).
3. according to claim 1 one drags many air conditioner and heat pump unit, it is characterized in that described air conditioner and heat pump unit also comprises oil return capillary (9), an oil return end capillaceous communicates with oil eliminator, and the oil return other end capillaceous is serially connected between the air entry of the other end of low-pressure liquid storing tank and compressor.
4. according to claim 1 one drags many air conditioner and heat pump unit, it is characterized in that described compressor (1) is a frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290680635U CN201637186U (en) | 2010-02-03 | 2010-02-03 | One-connected-more air-conditioning heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290680635U CN201637186U (en) | 2010-02-03 | 2010-02-03 | One-connected-more air-conditioning heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637186U true CN201637186U (en) | 2010-11-17 |
Family
ID=43081683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010290680635U Expired - Fee Related CN201637186U (en) | 2010-02-03 | 2010-02-03 | One-connected-more air-conditioning heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201637186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538274A (en) * | 2012-02-19 | 2012-07-04 | 周玉涛 | Multiple on-line system without gas-liquid separator and control mode thereof |
| CN104792071A (en) * | 2015-04-30 | 2015-07-22 | 广东美的制冷设备有限公司 | Installation valve block of high-pressure liquid storage tank and multi-split air conditioning system |
| CN111854239A (en) * | 2019-04-25 | 2020-10-30 | 株式会社鹭宫制作所 | Expansion valve and refrigeration cycle system |
-
2010
- 2010-02-03 CN CN2010290680635U patent/CN201637186U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538274A (en) * | 2012-02-19 | 2012-07-04 | 周玉涛 | Multiple on-line system without gas-liquid separator and control mode thereof |
| CN104792071A (en) * | 2015-04-30 | 2015-07-22 | 广东美的制冷设备有限公司 | Installation valve block of high-pressure liquid storage tank and multi-split air conditioning system |
| CN104792071B (en) * | 2015-04-30 | 2017-09-26 | 广东美的制冷设备有限公司 | The installation valve block and multi-split air conditioner of high pressure fluid reservoir |
| CN111854239A (en) * | 2019-04-25 | 2020-10-30 | 株式会社鹭宫制作所 | Expansion valve and refrigeration cycle system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20140108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528300 FOSHAN, GUANGDONG PROVINCE TO: 528311 FOSHAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140108 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: Midea Group Co., Ltd. Address before: 528300 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: Meidi Electric Appliances Co., Ltd., Guangdong |
|
| 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: 20101117 Termination date: 20180203 |