CN2767922Y - Air conditioner with unloading protector - Google Patents
Air conditioner with unloading protector Download PDFInfo
- Publication number
- CN2767922Y CN2767922Y CN 200520080171 CN200520080171U CN2767922Y CN 2767922 Y CN2767922 Y CN 2767922Y CN 200520080171 CN200520080171 CN 200520080171 CN 200520080171 U CN200520080171 U CN 200520080171U CN 2767922 Y CN2767922 Y CN 2767922Y
- Authority
- CN
- China
- Prior art keywords
- capillary
- compressor
- pipe
- protection device
- capillary pipe
- 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 - Fee Related
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to an air conditioner with an unloading protecting device, which is provided with an unloading protecting device which is formed by the connection in series of an unloading valve and an auxiliary capillary pipe; consequently, a parallel branch of the capillary pipe is connected between an exhaust pipe of a compressor and a compressor loop in series to realize the effective reduction of system pressure in high temperature environment and the improvement of the energy efficiency ratio of a system pipeline. The air conditioner comprises a compressor, an outdoor condenser, a capillary pipe and an indoor evaporator which are connected with each other in sequence, wherein the unloading protecting device is connected between the exhaust pipe of the compressor in the system pipeline and the compressor loop in series; the unloading protecting device is formed by the connection in series of the unloading valve and the auxiliary capillary pipe; therefore, the parallel branch of the original capillary pipe is formed. When indoor heat load and outdoor heat load are too high, the pressure born by the capillary pipe in the original system pipeline can be effectively lowered through the parallel branch of the capillary pipe, the flow velocity of a cooling medium which flows each capillary pipe can not reduce greatly, and thus, the energy efficiency ratio of the system pipeline can be ensured.
Description
Technical field
The utility model relates to a kind of air conditioner, relates to the capillary paralleling branch road that addition one in the air-conditioner refrigeration pipe has unloading protecting particularly.
Background technology
Existing air-conditioner can be because of the overheated overload protection that produces as the excessive then common compressor of indoor set load when refrigerating operaton.
At indoor set thermic load problem bigger than normal, comparatively common solution is to adopt unloading protecting at present, as pressure switch being set at compressor suction and discharge end, and when pressure surpasses setting value, compressor shutdown, but this method can cause that the unlatching of compressor is frequent.In addition, as the disclosed content of following patent formerly, the patent No. 01209742, patent name is the air-conditioner with uninstall protection device, its scheme is that the air-conditioner unit comprises in regular turn evaporimeter, cross valve, compressor, condenser and capillary and the check valve that connects, wherein capillary with connect with described condenser and capillary again after described check valve is connected in parallel; And the uninstall protection device that adopts pipeline to be connected with described compressor, condenser and capillary respectively.Though above-mentioned patent can be controlled the cold medium flux in the system pipeline, but when under hot environment, using, resistance strengthens when causing refrigerant to flow through capillary owing to the indoor set thermic load is excessive, and the Energy Efficiency Ratio of whole system pipeline reduces, and easily causes compressor damage after long-time the use.If adopt resistant to elevated temperatures rotary press to be substituted, can correspondingly improve the air-conditioner manufacturing cost again, refrigeration system also needs to improve again.
The utility model content
Air-conditioner with uninstall protection device described in the utility model; its purpose is to address the above problem and is not enough and design has the uninstall protection device that is in series by feather valve and assisted capillary; thereby series connection one capillary paralleling branch road between compressor exhaust pipe and compressor loop; the system pressure that is implemented under the hot environment effectively reduces, and improves the Energy Efficiency Ratio of system pipeline.
Described air-conditioner with uninstall protection device comprises the compressor, outdoor condenser, capillary, the indoor evaporator that connect successively.Wherein, the air inlet port of outdoor condenser links to each other with the blast pipe of compressor, and capillary is the feed liquor mouth of pipe of the give vent to anger mouth of pipe and the indoor evaporator of junction chamber external condenser respectively.
After the refrigerant of HTHP is discharged from compressor, the capillary and enter evaporimeter of after outdoor condenser condenses, flowing through with the liquid state of low-temp low-pressure, the gas that evaporates flow back into compressor again.
For realizing purpose described in the utility model, promptly adapt to the use under the hot environment, series connection one uninstall protection device between the compressor exhaust pipe of said system pipeline and compressor loop.
Described uninstall protection device is in series by a feather valve and an assisted capillary, thereby forms and original parallel branch capillaceous.When the indoor and outdoor thermic load is excessive, can effectively reduce the pressure that capillary bore of original system pipeline by this capillary paralleling branch road, each refrigerant flow rate capillaceous of flowing through can not descend too much, thereby can guarantee the Energy Efficiency Ratio of system pipeline.
The feather valve of described uninstall protection device, the give vent to anger port and the assisted capillary of junction chamber external condenser respectively.The opening pressure value of feather valve can set in advance, thereby adapts to the use in different climate types area.
The connection of the assisted capillary other end of described uninstall protection device can have two kinds of schemes, and a kind of scheme is the feed liquor mouth of pipe that the fluid port of capillary and assisted capillary is connected indoor evaporator respectively; The fluid port that another kind of scheme is an assisted capillary directly connects the muffler of compressor.
A kind of assisted capillary connectivity scenario before adopting, when feather valve is opened, refrigerant capillary and the assisted capillary of flowing through simultaneously after the condenser condenses of flowing through, the resistance in the capillary significantly reduces, the pressure of system will reduce greatly, thereby the pressure of the system of assurance is in normal range (NR).Refrigerant is flowed through and is still entered evaporator evaporation behind the assisted capillary, thereby less to the refrigerating capacity and the Energy Efficiency Ratio influence of system.
Adopt a kind of assisted capillary connectivity scenario in back, when feather valve was opened, refrigerant was flowed through behind the assisted capillary, directly flow back into compressor and does not enter evaporator evaporation, thereby influence bigger to the refrigerating capacity and the Energy Efficiency Ratio of system.But this kind method of attachment can reduce the refrigerant pressure in the system pipeline rapidly, thereby the extra high area of suitable ambient temperature.
As mentioned above, the air-conditioner with uninstall protection device has the following advantages and beneficial effect:
1, the uninstall protection device that is in series by feather valve and assisted capillary can effectively reduce the system pressure under the hot environment, can control systematic energy efficiency ratio and change in allowed band, has avoided the high frequent start-stop.
2, little for the improvement of system pipeline, do not have and change resistant to elevated temperatures rotary press, the complete machine manufacturing cost is lower.
3, air-conditioner is suitable for externally environment temperature extra high area use.
Description of drawings
Fig. 1 is the air-conditioner system pipeline structure schematic diagram of embodiment 1.
Fig. 2 is the air-conditioner system pipeline structure schematic diagram of embodiment 2.
As Fig. 1-shown in Figure 2, described air-conditioner includes compressor 1, outdoor condenser 2, feather valve 3, assisted capillary 4, capillary 5, indoor evaporator 6.
The specific embodiment
Embodiment 1, and as shown in Figure 1, described air-conditioner with uninstall protection device comprises the compressor 1, outdoor condenser 2, capillary 5 and the indoor evaporator 6 that connect successively.Wherein, series connection one uninstall protection device between compressor exhaust pipe and compressor loop.
Described uninstall protection device is in series by feather valve 3 and assisted capillary 4, thus the parallel branch of formation and original capillary 5.
The fluid port of capillary 5 and assisted capillary 4 is connected the feed liquor mouth of pipe of indoor evaporator 6 respectively.
When described air-conditioner is applied to external environment condition when higher, the pressure of system pipeline reaches the unlatching value of feather valve 3, refrigerant capillary 5 and the assisted capillary 4 of flowing through simultaneously after condenser 2 condensations of flowing through then, 2 interior resistances of capillary significantly reduce, the pressure of system will reduce greatly, thereby the pressure of the system of assurance is in normal range (NR).
Described uninstall protection device is in series by feather valve 3 and assisted capillary 4, and feather valve 3 is the give vent to anger port and the assisted capillary 4 of junction chamber external condenser 2 respectively.
The fluid port of assisted capillary 4 directly connects the muffler of compressor 1.
When described air-conditioner is applied to external environment condition when higher, the pressure of system pipeline reaches the unlatching value of feather valve 3, part refrigerant is flowed through and is directly flow back into compressor 1 behind the assisted capillary 4 and do not enter evaporimeter 5 evaporations, thereby can reduce refrigerant pressure in the system pipeline thereby the extra high area of suitable ambient temperature rapidly.
Claims (3)
1; a kind of air-conditioner with uninstall protection device; comprise the compressor that connects successively; outdoor condenser; capillary; indoor evaporator; the air inlet port of outdoor condenser links to each other with the blast pipe of compressor; capillary is the feed liquor mouth of pipe of the give vent to anger mouth of pipe and the indoor evaporator of junction chamber external condenser respectively; it is characterized in that: series connection one uninstall protection device between the compressor exhaust pipe of described system pipeline and compressor loop; uninstall protection device is in series by a feather valve and an assisted capillary, and feather valve is the give vent to anger port and the assisted capillary of junction chamber external condenser respectively.
2, the air-conditioner with uninstall protection device according to claim 1 is characterized in that: the fluid port of described capillary and assisted capillary is connected the feed liquor mouth of pipe of indoor evaporator respectively.
3, the air-conditioner with uninstall protection device according to claim 2, it is characterized in that: the fluid port of described assisted capillary directly connects the muffler of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080171 CN2767922Y (en) | 2005-01-14 | 2005-01-14 | Air conditioner with unloading protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080171 CN2767922Y (en) | 2005-01-14 | 2005-01-14 | Air conditioner with unloading protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767922Y true CN2767922Y (en) | 2006-03-29 |
Family
ID=36681787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520080171 Expired - Fee Related CN2767922Y (en) | 2005-01-14 | 2005-01-14 | Air conditioner with unloading protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2767922Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338519A (en) * | 2010-07-23 | 2012-02-01 | 苏州臻源节能科技有限公司 | Directly-heated type water source heat pump system water heater temperature regulation and decompression device |
| CN102734990A (en) * | 2012-06-21 | 2012-10-17 | 上海三电冷机有限公司 | Method for reducing exhaust pressure of CO2 compressor at initial startup stage and CO2 refrigerating unit |
| CN104791960A (en) * | 2015-04-30 | 2015-07-22 | 广东美的制冷设备有限公司 | Air conditioner unloading control system and method |
| CN104930763A (en) * | 2014-03-19 | 2015-09-23 | 海尔集团公司 | Air conditioner refrigerating system |
| CN108800420A (en) * | 2018-06-19 | 2018-11-13 | 广东美的制冷设备有限公司 | The control method and device of air-conditioning |
| CN112833515A (en) * | 2021-01-11 | 2021-05-25 | 珠海格力电器股份有限公司 | Single-cooling type air conditioning unit sterilization control method and air conditioning unit |
| CN114294712A (en) * | 2020-09-21 | 2022-04-08 | 海信（山东）空调有限公司 | Multi-connected air conditioning system |
| CN114294713A (en) * | 2020-09-21 | 2022-04-08 | 海信（山东）空调有限公司 | Multi-connected air conditioning system |
-
2005
- 2005-01-14 CN CN 200520080171 patent/CN2767922Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338519A (en) * | 2010-07-23 | 2012-02-01 | 苏州臻源节能科技有限公司 | Directly-heated type water source heat pump system water heater temperature regulation and decompression device |
| CN102734990A (en) * | 2012-06-21 | 2012-10-17 | 上海三电冷机有限公司 | Method for reducing exhaust pressure of CO2 compressor at initial startup stage and CO2 refrigerating unit |
| CN104930763A (en) * | 2014-03-19 | 2015-09-23 | 海尔集团公司 | Air conditioner refrigerating system |
| CN104791960A (en) * | 2015-04-30 | 2015-07-22 | 广东美的制冷设备有限公司 | Air conditioner unloading control system and method |
| CN104791960B (en) * | 2015-04-30 | 2018-02-06 | 广东美的制冷设备有限公司 | A kind of air conditioner unloading control system and method |
| CN108800420A (en) * | 2018-06-19 | 2018-11-13 | 广东美的制冷设备有限公司 | The control method and device of air-conditioning |
| CN114294712A (en) * | 2020-09-21 | 2022-04-08 | 海信（山东）空调有限公司 | Multi-connected air conditioning system |
| CN114294713A (en) * | 2020-09-21 | 2022-04-08 | 海信（山东）空调有限公司 | Multi-connected air conditioning system |
| CN112833515A (en) * | 2021-01-11 | 2021-05-25 | 珠海格力电器股份有限公司 | Single-cooling type air conditioning unit sterilization control method and air conditioning unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2767922Y (en) | Air conditioner with unloading protector | |
| CN2837745Y (en) | Air conditioner with decompression protection mechanism | |
| CN201251315Y (en) | Air conditioner capable of system protection under high temperature condition | |
| CN102419025B (en) | Double-stage enthalpy-increasing air conditioning system | |
| CN200989697Y (en) | Intermediate air make-up compressor refrigerating system with flash device | |
| CN208312767U (en) | A kind of oil liquid temperature controlling instruments applied under hot environment | |
| CN1766446A (en) | System for detecting mis-connected state between communication lines for multi-type air conditioner and method thereof | |
| CN1624399A (en) | Refrigeration cycle apparatus | |
| CN1789865A (en) | Heat exchanger and air conditioner using the same | |
| CN100565048C (en) | Energy-saving refrigeration system of hot gas frost melting | |
| CN100347490C (en) | Multi-stage operation type air conditioner and operating method thereof | |
| CN104807141A (en) | Multi-split air conditioner control method and system thereof | |
| CN201138101Y (en) | Heat exchange device | |
| CN109357431A (en) | A kind of module-combined-type air conditioner system and defrosting control method | |
| CN1209590C (en) | Cooling and heating air conditioner in new structure | |
| CN202660807U (en) | Double-stage enthalpy-increasing air conditioning system | |
| CN107763877A (en) | A kind of Jing Yin air-cooled heat-pump air-conditioner group | |
| CN104654679A (en) | Condensing system, air-cooled air conditioning system and control method | |
| CN1144006C (en) | Heat pump and method for controlling its operation | |
| CN2842319Y (en) | Cooling-medium circulation quantity control apparatus for muti-gang air-conditioner | |
| CN2524147Y (en) | Energy-saving refrigeration cycling devices | |
| CN204460863U (en) | Condensing system and air-cooled air conditioning system | |
| CN108626908A (en) | A kind of fluid temperature controlling instruments applied under hot environment | |
| CN105444454A (en) | Pressure control type air energy water heater and control method | |
| CN1477351A (en) | integrated air-cooled heat pump type central air-conditioner unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060329 Termination date: 20140114 |