CN202229357U - Low temperature starting device of air conditioning system - Google Patents
Low temperature starting device of air conditioning system Download PDFInfo
- Publication number
- CN202229357U CN202229357U CN2011203149236U CN201120314923U CN202229357U CN 202229357 U CN202229357 U CN 202229357U CN 2011203149236 U CN2011203149236 U CN 2011203149236U CN 201120314923 U CN201120314923 U CN 201120314923U CN 202229357 U CN202229357 U CN 202229357U
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- China
- Prior art keywords
- compressor
- cold
- conditioning system
- air
- low temperature
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- Expired - Lifetime
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Abstract
The utility model discloses a low temperature starting device of an air conditioning system, which can be started rapidly and safely in the low temperature condition. The technical scheme is that the low temperature starting device of the air conditioning system comprises a compressor, an exhaust port of the compressor is connected with a refrigerant shunt branch through a tee, the refrigerant shunt branch comprises an electromagnetic valve and a throttling element which are in series connection, and an outlet of the refrigerant shunt branch is connected with an air suction port of the compressor. Compared with the prior art, the low temperature starting device of the air conditioning system is simple in structure, convenient and practical. When the system is started at a low temperature, the electromagnetic valve is opened so as to enable a part of refrigerants to return to the low pressure side of the system through the throttling element, guarantee safe airflow to pass through the air suction port of the compressor and establish compression ratio, thereby achieving rapid circulation of the refrigerants.
Description
Technical field
The utility model relates to a kind of device of air-conditioning system cold-starting.
Background technology
Air-conditioning be a kind of will be from object or fluid heat removal, through a kind of medium (cold-producing medium) to another object or the exothermic equipment of fluid.Usually the viscosity of cold-producing medium raises along with the reduction of temperature; Under the situation of low temperature, start air-conditioning system; Often because the pressure of inspiration(Pi) low pressure of the excessive and saturation pressure of cold-producing medium viscosity is low when causing starting compressor, even pressure of inspiration(Pi) to occur be negative pressure (vacuumizing) phenomenon." vacuumize " and can cause expendable injury to compressor common compressor.At present, the cold-starting method of known single-stage constant speed steam compressing air conditioner system has two kinds: one of which, through adopting self-adjustable throttle part, make that restriction effect weakened when system started, and offset a part because of the influence of low-temperature refrigerant change in resistance; Its two, shielding a period of time is detected pressure of inspiration(Pi) during startup.Above method one is owing to need the throttle part of automatic regulatory function, and price is high, fails popularization and application in all systems; Second scheme has the risk of damaging compressor.
Summary of the invention
The technical problem that the utility model will solve provide a kind of can be under low temperature condition fast, the device of the air-conditioning system cold-starting of clean boot.
For solving the problems of the technologies described above; The utility model adopts following technical scheme: a kind of device of air-conditioning system cold-starting; Comprise compressor; The exhaust outlet of said compressor is parallel with the cold-producing medium diverter branch through threeway, and said cold-producing medium diverter branch comprises magnetic valve and the restricting element that is connected in series, and the outlet of cold-producing medium diverter branch connects the air entry of compressor.
Be respectively equipped with high-voltage switch gear and high pressure service valve between the exhaust outlet of the said compressor of the utility model and the threeway.
Be respectively equipped with low pressure service valve, low tension switch and gas-liquid separator between the outlet of the said cold-producing medium diverter branch of the utility model and the air entry of compressor.
The said threeway of the utility model is the copper threeway, and magnetic valve is the electromagnetism two-port valve.
The exhaust outlet of the said compressor of the utility model connects indoor set and double-tube heat exchanger respectively through cross valve after threeway.
The utility model compared with prior art; Simple in structure; Convenient and practical,, system hypothermia opens magnetic valve when starting, and make the part cold-producing medium get back to the system low-voltage side through restricting element fast; Guarantee that the compressor air suction mouth has safe air communication to cross and set up compression ratio, thereby realize the Rapid Cycle of cold-producing medium.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further to describe.
As shown in Figure 1; The device of the utility model air-conditioning system cold-starting; Comprise compressor 1, wherein, the exhaust outlet of compressor 1 is parallel with the cold-producing medium diverter branch through threeway 4; This cold-producing medium diverter branch comprises the magnetic valve 5 and restricting element 6 that is connected in series, and the outlet of cold-producing medium diverter branch connects the air entry of compressor 1.Between the exhaust outlet of compressor 1 and threeway 4, be respectively equipped with high-voltage switch gear 2 and high pressure service valve 3, between the air entry of the outlet of cold-producing medium diverter branch and compressor 1, be respectively equipped with low pressure service valve 10, low tension switch 11 and gas-liquid separator 12.The threeway 4 that the utility model adopts is the copper threeway, and magnetic valve 5 is the electromagnetism two-port valve.The exhaust outlet of compressor 1 connects indoor set 8 and double-tube heat exchanger 9 respectively through cross valve 7 after threeway 4, the two ends of double-tube heat exchanger 9 are respectively equipped with outlet pipe 13 and water inlet pipe 14.
The utility model is formed a cold-producing medium diverter branch by magnetic valve and restricting element at the exhaust outlet of compressor after threeway, among Fig. 1 solid arrow be the cold-producing medium refrigeration stream to, dotted arrow is that cold-producing medium heats the flow direction.When system starts, open magnetic valve, make the part cold-producing medium get back to the system low-voltage side through restricting element fast, guarantee that the compressor air suction mouth has safe air communication to cross and set up compression ratio, realizes the Rapid Cycle of cold-producing medium.Because the shunting part of refrigerant can make the refrigerating capacity of air-conditioning descend to some extent without the user side heat exchanger.Therefore after the system compresses ratio is normally set up, must close magnetic valve the cold-producing medium diverter branch is no longer worked, this moment, the cold-producing medium circulation was the same with common cooling cycle system, did not influence the refrigerating capacity and the efficiency coefficient of system.The utility model is applicable to the single-stage steam compressing air conditioner, also is applicable to the various refrigeration plants such as freezer of similar principles.
Claims (5)
1. the device of an air-conditioning system cold-starting; Comprise compressor (1); It is characterized in that: the exhaust outlet of said compressor (1) is parallel with the cold-producing medium diverter branch through threeway (4); Said cold-producing medium diverter branch comprises magnetic valve (5) and the restricting element (6) that is connected in series, and the outlet of cold-producing medium diverter branch connects the air entry of compressor (1).
2. the device of air-conditioning system cold-starting according to claim 1 is characterized in that: be respectively equipped with high-voltage switch gear (2) and high pressure service valve (3) between the exhaust outlet of said compressor (1) and the threeway (4).
3. the device of air-conditioning system cold-starting according to claim 1 and 2 is characterized in that: be respectively equipped with low pressure service valve (10), low tension switch (11) and gas-liquid separator (12) between the air entry of the outlet of said cold-producing medium diverter branch and compressor (1).
4. the device of air-conditioning system cold-starting according to claim 1 is characterized in that: said threeway (4) is the copper threeway, and magnetic valve (5) is the electromagnetism two-port valve.
5. the device of air-conditioning system cold-starting according to claim 1 is characterized in that: the exhaust outlet of said compressor (1) connects indoor set (8) and double-tube heat exchanger (9) respectively through cross valve (7) after threeway (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203149236U CN202229357U (en) | 2011-08-26 | 2011-08-26 | Low temperature starting device of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203149236U CN202229357U (en) | 2011-08-26 | 2011-08-26 | Low temperature starting device of air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229357U true CN202229357U (en) | 2012-05-23 |
Family
ID=46079942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203149236U Expired - Lifetime CN202229357U (en) | 2011-08-26 | 2011-08-26 | Low temperature starting device of air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229357U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528166A (en) * | 2013-10-17 | 2014-01-22 | 深圳麦克维尔空调有限公司 | Air conditioner system low-temperature starting method |
| CN104034075A (en) * | 2013-03-07 | 2014-09-10 | 广东美的暖通设备有限公司 | Air-conditioning system |
| CN104215005A (en) * | 2014-09-09 | 2014-12-17 | 广东欧科空调制冷有限公司 | Air conditioner system by adopting hot gas bypass mode |
| CN105486005A (en) * | 2015-12-22 | 2016-04-13 | 深圳市瑞思冷链有限公司 | High-energy separation full-liquid refrigeration system and refrigeration method thereof |
| CN106123159A (en) * | 2016-08-26 | 2016-11-16 | 苏州海派特热能设备有限公司 | A kind of degree of depth dehumidifying unit |
| CN111765517A (en) * | 2020-06-06 | 2020-10-13 | 苏州浪潮智能科技有限公司 | Low-temperature starting air conditioning system |
-
2011
- 2011-08-26 CN CN2011203149236U patent/CN202229357U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034075A (en) * | 2013-03-07 | 2014-09-10 | 广东美的暖通设备有限公司 | Air-conditioning system |
| CN103528166A (en) * | 2013-10-17 | 2014-01-22 | 深圳麦克维尔空调有限公司 | Air conditioner system low-temperature starting method |
| CN103528166B (en) * | 2013-10-17 | 2016-06-08 | 深圳麦克维尔空调有限公司 | The testing method of air-conditioning system cold-starting |
| CN104215005A (en) * | 2014-09-09 | 2014-12-17 | 广东欧科空调制冷有限公司 | Air conditioner system by adopting hot gas bypass mode |
| CN105486005A (en) * | 2015-12-22 | 2016-04-13 | 深圳市瑞思冷链有限公司 | High-energy separation full-liquid refrigeration system and refrigeration method thereof |
| CN106123159A (en) * | 2016-08-26 | 2016-11-16 | 苏州海派特热能设备有限公司 | A kind of degree of depth dehumidifying unit |
| CN111765517A (en) * | 2020-06-06 | 2020-10-13 | 苏州浪潮智能科技有限公司 | Low-temperature starting air conditioning system |
| CN111765517B (en) * | 2020-06-06 | 2021-10-22 | 苏州浪潮智能科技有限公司 | Low-temperature starting air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |