CN202613591U - Circulating system for air conditioner - Google Patents
Circulating system for air conditioner Download PDFInfo
- Publication number
- CN202613591U CN202613591U CN 201220187622 CN201220187622U CN202613591U CN 202613591 U CN202613591 U CN 202613591U CN 201220187622 CN201220187622 CN 201220187622 CN 201220187622 U CN201220187622 U CN 201220187622U CN 202613591 U CN202613591 U CN 202613591U
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- CN
- China
- Prior art keywords
- circulating system
- air conditioner
- condenser
- throttling arrangement
- check valve
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- Expired - Fee Related
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Abstract
The utility model provides a circulating system for an air conditioner. The circulating system consists of an indoor unit and an outdoor unit, wherein a throttling device is not arranged on the indoor unit; the outdoor unit comprises a compressor, a condenser, a supercooling section and the throttling device; one end of the condenser is communicated with the compressor through a pipeline; the other end of the condenser is connected with the throttling device; a first one-way valve is arranged at the outlet of the supercooling section; the throttling device is connected in parallel with the first one-way valve and communicated with a second one-way valve; and the second one-way valve is communicated with a pipeline at the inlet of the supercooling section. By improving the internal structure of the circulating system, high condensing temperature can be reached only through small refrigerant charge; the special improved silent design of the indoor unit is avoided; and a reservoir is not required to be arranged during heating operation.
Description
Technical field
The utility model relates to a kind of air-conditioning equipment, a kind of specifically air-conditioning unit circulatory system.
Background technology
At present, following two types air conditioner circulating system is arranged on the market:
First kind of air conditioner circulating system, as shown in Figure 1, the throttling arrangement during kind of refrigeration cycle is indoor electric expansion valve, its liquid side line and outside condenser bottom super cooled sect all are full of the liquid condition cold-producing medium.In order to guarantee the stable operation of indoor electric expansion valve; Need the porch of indoor electric expansion valve to have suitable degree of supercooling; And the maintenance of air conditioner circulating system condensation temperature; Also need increase the refrigerant charge of system, therefore, air conditioner circulating system integral body need fill more cold-producing medium when refrigerating operaton.
And the air conditioner circulating system of this structure when refrigerating operaton, by indoor electronic expansion valve controls throttling, when heating operation, by outdoor electronic expansion valve controls throttling, needs two electric expansion valves of configuration; Because the quiet requirement of indoor set, reduce the flow of refrigerant sound that sends when cold-producing medium is flowed through indoor electric expansion valve, indoor electric expansion valve need be taked outer wrap damping damping block or other noise reduction measure; During heating operation; Because indoor set is in the high-pressure side; The indoor machine evaporation internal volume is generally little a lot of than the outdoor condenser internal volume; This moment, required refrigerant amount can be less, and generally all can set up reservoir stores the cold-producing medium that has neither part nor lot in circulation to big air-conditioning unit at this moment, and more than configuration all can increase production cost greatly with the structure member that increases.
Second kind of air conditioner circulating system, as shown in Figure 2, refrigeration, heating operation carry out throttling control by outdoor electric expansion valve; Though such circulatory system structure can effectively be improved the quiet environment of indoor set; Required refrigerant charge when reducing refrigerating operaton, still, when heating operation; Have the bigger pressure loss through super cooled sect again via the cold-producing medium after the outdoor electric expansion valve throttling; And in this process draw heat from environment not, the pressure loss can cause lower compressor air suction pressure, causes the decay of system's heating capacity.
The utility model content
To the deficiency that prior art exists, the utility model technical problem to be solved is, a kind of air conditioner circulating system is provided, and through improving the internal structure of the circulatory system, only needs less refrigerant charge just can reach higher condensation temperature; Throttling arrangement is positioned at off-premises station one side, can indoor set not done special quiet improvement property design; And during heating operation, liquid pipe, condenser super cooled sect, indoor machine evaporation all are in the high-pressure side, and be suitable when required refrigerant charge and refrigerating operaton, and reservoir need not be set in addition.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is that a kind of air conditioner circulating system is provided; Be made up of indoor unit and outside unit, wherein, the indoor unit is not provided with throttling arrangement; The outside unit comprises compressor, condenser, super cooled sect and throttling arrangement; One end of condenser is connected with compressor through pipeline, and the other end of its condenser connects throttling arrangement, and the super cooled sect outlet is provided with first check valve; Be communicated with second check valve after said throttling arrangement and the first check valve parallel connection, second check valve is communicated with the super cooled sect entrance pipe.
Above-mentioned air conditioner circulating system, its throttling arrangement adopts electric expansion valve.
Above-mentioned air conditioner circulating system, the both sides of its throttling arrangement are provided with filter.
The utlity model has following advantage and useful technique effect:
1, when refrigeration, heating operation, carry out throttling by outdoor electric expansion valve, refrigerant flow direction utilizes two check valves to control, and reduces the setting of the indoor electric expansion valve of a cover, effectively reduces production costs.
2, when system freezes, the cold-producing medium after outdoor electric expansion valve throttling is through check valve; Flow to the indoor and needn't pass through super cooled sect, the system high pressure side is only inner at condenser, and pipeline and super cooled sect all are in low-pressure side; Therefore; Only need less refrigerant charge just can reach higher condensation temperature, practice thrift the use amount of cold-producing medium, energy-conserving and environment-protective.
3, throttling arrangement is that outdoor electric expansion valve is positioned at off-premises station one side, and the noise of indoor set effectively reduces, and need not do special quiet design to indoor set.
4, during heating operation; Cold-producing medium flow through super cooled sect and check valve are then via outdoor electric expansion valve throttling, therefore; Pipeline, super cooled sect, indoor machine evaporation all are in the high-pressure side; Suitable when required refrigerant charge and refrigerating operaton, can reduce the design of reservoir, the compressor air suction pressure of effectively avoiding the pressure loss to cause simultaneously reduces the decay with circulatory system heating capacity.
Description of drawings
Fig. 1 is first kind of air conditioner circulating system sketch map in the prior art;
Fig. 2 is second kind of air conditioner circulating system sketch map in the prior art;
Fig. 3 is the utility model air conditioner circulating system sketch map.
Among the above-mentioned figure:
1-indoor unit, 2-outside unit, 51-first check valve, 52-second check valve, 6-filter, 10-compressor, the outdoor electric expansion valve of 11-, 12-super cooled sect, 13-condenser.
The specific embodiment
As shown in Figure 3, a kind of air conditioner circulating system is made up of for 2 groups indoor unit 1 and outside machine; Wherein indoor unit 1 is not provided with throttling arrangement; Outside unit 2 comprises that compressor 10, condenser 13, super cooled sect 12 and throttling arrangement are outdoor electric expansion valve 11, and an end of condenser 13 is connected with compressor 10 through pipeline, the other end junction chamber exoelectron expansion valve 11 of its condenser 13; Super cooled sect 12 outlets are provided with first check valve 51; Outdoor electric expansion valve 11 is communicated with the entrance pipe of second check valve, 52, the second check valves, 52 connection super cooled sects 12 with first check valve 51 parallel connection back, the both sides of outdoor electric expansion valve 11 are provided with filter 6.When refrigeration, heating operation, carry out throttling by outdoor electric expansion valve 11, refrigerant flow direction utilizes first check valve 51 and second check valve 52 to control.Throttling arrangement adopts outdoor electric expansion valve 11 to be positioned at outside unit 2 one sides, and the noise of indoor unit 1 effectively reduces, and need not do special quiet design to indoor set.
When system's refrigerating operaton, the cold-producing medium after outdoor electric expansion valve 11 throttlings is through second check valve 52; Flow to the indoor unit and needn't pass through super cooled sect 12, the system high pressure side is only in condenser 13 inside, and pipeline and super cooled sect 12 all are in low-pressure side; Therefore; Only need less refrigerant charge just can reach higher condensation temperature, practice thrift the use amount of cold-producing medium, energy-conserving and environment-protective.
When system's heating operation; Cold-producing medium flow through super cooled sect 12, first check valve 51 are then via outdoor electric expansion valve 11 throttlings, therefore; Super cooled sect 12 and indoor machine evaporation (not shown) all are in the high-pressure side; Suitable when required refrigerant charge and refrigerating operaton, can reduce the design of reservoir, the compressor air suction pressure of effectively avoiding the pressure loss to cause simultaneously reduces the decay with circulatory system heating capacity.
The above; It only is preferred embodiment to the utility model; Be not to be that the utility model is done other forms of restriction, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model according to the technical spirit of the utility model.
Claims (3)
1. an air conditioner circulating system is made up of indoor unit and outside unit, and wherein the indoor unit is not provided with throttling arrangement; The outside unit comprises compressor, condenser, super cooled sect and throttling arrangement; One end of condenser is connected with compressor through pipeline, it is characterized in that: the other end of condenser connects throttling arrangement, and the super cooled sect outlet is provided with first check valve; Be communicated with second check valve after said throttling arrangement and the first check valve parallel connection, second check valve is communicated with the super cooled sect entrance pipe.
2. air conditioner circulating system according to claim 1 is characterized in that: said throttling arrangement adopts electric expansion valve.
3. air conditioner circulating system according to claim 1 and 2 is characterized in that: the both sides of said throttling arrangement are provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187622 CN202613591U (en) | 2012-04-28 | 2012-04-28 | Circulating system for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187622 CN202613591U (en) | 2012-04-28 | 2012-04-28 | Circulating system for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202613591U true CN202613591U (en) | 2012-12-19 |
Family
ID=47347282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220187622 Expired - Fee Related CN202613591U (en) | 2012-04-28 | 2012-04-28 | Circulating system for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202613591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375845A (en) * | 2012-04-28 | 2013-10-30 | 青岛海信日立空调系统有限公司 | Air conditioner circulation system |
| CN103486780A (en) * | 2013-09-13 | 2014-01-01 | 青岛海信日立空调系统有限公司 | Vapor-injected multi-connected air conditioning system |
-
2012
- 2012-04-28 CN CN 201220187622 patent/CN202613591U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375845A (en) * | 2012-04-28 | 2013-10-30 | 青岛海信日立空调系统有限公司 | Air conditioner circulation system |
| CN103375845B (en) * | 2012-04-28 | 2015-05-20 | 青岛海信日立空调系统有限公司 | Air conditioner circulation system |
| CN103486780A (en) * | 2013-09-13 | 2014-01-01 | 青岛海信日立空调系统有限公司 | Vapor-injected multi-connected 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 |
Granted publication date: 20121219 Termination date: 20160428 |