CN202041032U - Liquid refrigerant conveying device of air conditioning system - Google Patents
Liquid refrigerant conveying device of air conditioning system Download PDFInfo
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- CN202041032U CN202041032U CN201120095973XU CN201120095973U CN202041032U CN 202041032 U CN202041032 U CN 202041032U CN 201120095973X U CN201120095973X U CN 201120095973XU CN 201120095973 U CN201120095973 U CN 201120095973U CN 202041032 U CN202041032 U CN 202041032U
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Abstract
The utility model relates to a liquid refrigerant conveying device of an air conditioning system; a pipeline from an outlet of a condenser to an evaporator in the existing refrigeration system is connected in series with a one-way valve; the two ends of the one-way valve are connected with the liquid refrigerant conveying device in a bridging way; the liquid refrigerant conveying device comprises a liquid refrigerant conveying pump and a refrigerant liquid storage tank; the liquid refrigerant conveying device has the benefits that when the outdoor temperature is below 10 DEG C, the device can make full use of the property of a liquid refrigerant in carrying a lot of cold energy; the device guarantees the air and water of the refrigerant to be fully separated, and the characteristics of the refrigerant can be brought into full play; no other equipment except a circulating pump and a valve piece is additionally adopted based on the original air conditioning system in a machine room, resources of a heat exchanger are used to the full extent, and the occupied space is not enlarged; when the liquid refrigerant performs refrigeration, as a compressor system is completely switched off, the abrasion of a compressor is reduced, and the service life of the compressor is prolonged.
Description
Technical field
The utility model belongs to the air conditioner field, be particularly related to a kind of liquid refrigerants conveying device of air-conditioning system, this device increases a liquid refrigerants holding vessel and infusion pump in original air-conditioning system, be lower than Celsius 10 compressors of when spending turning off original air-conditioning in outdoor temperature winter, use this device still can arrive the purpose of refrigeration, thereby reduce the working time of compressor, reach energy-saving and cost-reducing purpose.
Background technology
The power consumption of big freezer and large-size air conditioning equipment, particularly communication equipment and air conditioner in machine room is the rich and influential family of whole power consumption, but because the communication equipment electricity consumption is limit by production firm, the reducing energy consumption difficulty is bigger.The power consumption of special air conditioning for device room approaches 70% of whole power consumption, so particularly important to the reducing energy consumption of air conditioner in machine room.There are a lot of drawbacks in existing energy-saving reformation of air conditioner in machine room technology in practice:
1, the operable outdoor temperature scope of ethylene glycol reducing energy consumption system is wide, and energy-saving effect is remarkable.But glycol system need take into full account the riding position of machine room indoor and outdoors, and the improvement expenses costliness.The ethylene glycol transformation increased system pipeline complexity, strengthened its appearance and size, need to take the machine room space more.
2, directly utilize new wind mode and air heat exchanger system owing to the cooling and dehumidifying phenomenon can occur, and if in environmental pollution comparison serious area and be not suitable for, also to take into full account the maintenance and the maintenance cost in later stage in addition.Above system is the circulatory system that a cover independently is used for winter refrigeration, and destroys the overall appearance of building.
Continuous development along with the air conditioner energy saving technology, duplexing condition air-conditioning with liquid pump becomes a developing direction, this technology can replace compressor operating with liquid pump in the lower area of mean temperature in the whole year, finish refrigeration, but most producers is designed to duplexing condition circulation or pump cycle refrigeration system (comprising newly-increased condenser and evaporimeter) separately, the cost of so energy-conservation input of mode is higher, and the investment payback time is long, also will take into full account the maintenance cost in later stage.
Summary of the invention
The purpose of this utility model is the liquid refrigerants conveying device technical scheme that proposes a kind of air-conditioning system, this scheme increases the liquid refrigerants conveying device in original air-conditioning system, the compressor that can replace former air-conditioning in winter, thus working time of compressor reduced, reach energy-saving and cost-reducing purpose.
To achieve these goals, the technical solution of the utility model is: a kind of liquid refrigerants conveying device of air-conditioning system, include condenser, compressor and evaporimeter, the outlet of condenser is connected to the inlet of evaporimeter by pipeline, the outlet of evaporimeter is connected to the import of compressor, the outlet of compressor is connected to the import of condenser, is serially connected with expansion valve on the evaporator inlet pipeline; Bypass pipe of the two ends cross-over connection of described expansion valve, bypass pipe is provided with the break-make magnetic valve, described compressor is imported and exported another bypass pipe of two ends cross-over connection, another bypass pipe is provided with the blocking-up check valve, blocking-up with the conducting direction of check valve be import from compressor to outlet, pipeline on be provided with another break-make magnetic valve between blocking with the bypass pipe interface of check valve in the import of compressor with being connected; Described condensator outlet is in series with the guiding check valve to the pipeline of expansion valve, guiding is to the evaporimeter direction from condensator outlet with the conducting direction of check valve, in guiding liquid refrigerants delivery source of two ends cross-over connection with check valve, described liquid refrigerants delivery source comprises liquid refrigerants delivery pump and cooling medium liquid storage tank, the liquid outlet of refrigerant delivery pump is connected guiding and goes out to hold on the pipeline with check valve, the inlet of refrigerant delivery pump is connected to the outlet of cooling medium liquid storage tank by pipeline, and guiding is tapped into the import of cooling medium liquid storage tank with check valve inlet side pipeline.
Liquid outlet at described refrigerant delivery pump connects on the pipeline that goes out to hold with check valve that leads, and is respectively arranged with stop valve and check valve on the pipeline that is connected to the import of cooling medium liquid storage tank with check valve inlet side pipeline that leads.
The vertical range of described cooling medium liquid storage tank bottom surface and compressor top is greater than one meter, and the pipeline vertical direction that described cooling medium liquid storage tank outlet is connected to refrigerant delivery pump inlet is the miter angle setting, is provided with magnetic valve in this pipeline.
The beneficial effects of the utility model are:
1. the utility model uses when outdoor temperature is lower than 10 degrees centigrade and the low excessively dewfall situation that causes of evaporating temperature can not occur and take place, and can not bring extra humidification power consumption load; This device indirect utilization outdoor cold air can not pollute room air;
2. make full use of the performance that liquid refrigerants can carry a large amount of cold energy, the gas-liquid that guarantees refrigerant is fully separated, bring into play the characteristic of refrigerant to greatest extent, do not increase other equipment circulating pump, the valve member except that on the former air-conditioning system of machine room basis, increasing, make full use of the heat exchanger resource and do not increase shared space;
3. control easyly, different temperatures adopts different state of cyclic operations;
4. during the liquid refrigerant refrigeration, the compressor assembly Close All reduces the wearing and tearing of compressor, reduces maintenance workload, prolongs the service life of compressor, reduces the maintenance cost of compressor.
5. this liquid refrigerants conveying device does not relate to the miscellaneous part of changing former air-conditioning system, so improvement cost is low, and the energy-saving investment period of investment return is short.
Below in conjunction with drawings and Examples the utility model being done one describes in detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a preferred structure schematic diagram of the present utility model.
The specific embodiment
Referring to Fig. 1, a kind of liquid refrigerants conveying device embodiment of air-conditioning system, described device comprises an air-conditioning system just in use, condenser 1 is arranged in the system, compressor 2 and evaporimeter 3, the outlet of condenser is connected to the inlet of evaporimeter by pipeline, the outlet of evaporimeter is connected to the import of compressor, the outlet of compressor is connected to the import of condenser, on the evaporator inlet pipeline, be serially connected with expansion valve 4, carry in order to be implemented in the outer liquid refrigerants of original system, when being lower than ten degrees centigrade, outdoor temperature closes the compressor of original system, use energy-conservation liquid refrigerants conveying device to continue refrigeration, therefore be provided with the bypass pipe 6 of break-make one of the two ends of described expansion valve cross-over connection with magnetic valve 5, described compressor is imported and exported one of two ends cross-over connection and is provided with blocking-up another bypass pipe 8 with check valve 7, blocking-up with the conducting direction of check valve be import from compressor to outlet, pipeline 9 on be provided with another break-make usefulness magnetic valve 10 between blocking with another bypass pipe interface of check valve 7 in the import of compressor with having; Described condensator outlet is in series with guiding check valve 11 to the pipeline of expansion valve, guiding is to the evaporimeter direction from condensator outlet with the conducting direction of check valve, in guiding liquid refrigerants delivery source of two ends cross-over connection with check valve, described liquid refrigerants delivery source comprises liquid refrigerants delivery pump 12 and cooling medium liquid storage tank 13, the liquid outlet 12-1 of refrigerant delivery pump is connected guiding and goes out to hold on the pipeline with check valve, the inlet of refrigerant delivery pump is connected to the outlet 13-1 of cooling medium liquid storage tank by pipeline 14, and guiding is tapped into the import 13-2 of cooling medium liquid storage tank with check valve inlet side pipeline.
Blocking-up with the direction of check valve be import from compressor to outlet, serial connection is blocked the generation that can better avoid using the leakage phenomenon of general magnetic valve with check valve on bypass pipe 8.
Referring to Fig. 2 and embodiment 1, a kind of preferred embodiment of liquid refrigerants conveying device of air-conditioning system, for the ease of installation and debugging, on the basis of embodiment 1, the liquid outlet of described refrigerant delivery pump is connected guiding and goes out to hold on the tube connector of pipeline with check valve, and is connected to check valve inlet side pipeline in guiding on the connecting line of import of cooling medium liquid storage tank and is respectively arranged with stop valve 15 and check valve 16.
In order to increase the conveying capacity of liquid refrigerants under the situation that does not increase energy consumption, described cooling medium liquid storage tank bottom surface vertical direction is higher than more than at least one rice of compressor top; Can carry out gas-liquid separation once more for the ease of refrigerant liquid when entering the refrigerant delivery pump, pipeline 14 vertical direction that described cooling medium liquid storage tank outlet is connected to refrigerant delivery pump inlet are the miter angle setting, are provided with magnetic valve 17 in this pipeline.
Concrete operation principle is: when starting the work of liquid refrigerants delivery source device, at first stop the compressor operating of former refrigeration system, open the magnetic valve 15 of liquid refrigerants delivery source device, open break-make magnetic valve 5, close another break-make magnetic valve 10, start the refrigerant delivery pump then, because the power of refrigerant delivery pump much smaller than the power (approximately being about 1/10th) of compressor, is therefore using under the liquid refrigerants delivery source device refrigerating state and can economize on electricity.When the former refrigeration system of startup is worked, at first stop the work of refrigerant delivery pump, close the magnetic valve 15 of liquid refrigerants delivery source device, close break-make with magnetic valve 5, open another break-make with magnetic valve 10, start compressor operating then.
Claims (3)
1. the liquid refrigerants conveying device of an air-conditioning system, include condenser, compressor and evaporimeter, the outlet of condenser is connected to the inlet of evaporimeter by pipeline, the outlet of evaporimeter is connected to the import of compressor, the outlet of compressor is connected to the import of condenser, is serially connected with expansion valve on the evaporator inlet pipeline; It is characterized in that, bypass pipe of the two ends cross-over connection of described expansion valve, bypass pipe is provided with the break-make magnetic valve, described compressor is imported and exported another bypass pipe of two ends cross-over connection, another bypass pipe is provided with the blocking-up check valve, blocking-up with the conducting direction of check valve be import from compressor to outlet, pipeline on be provided with another break-make magnetic valve between blocking with the bypass pipe interface of check valve in the import of compressor with being connected; Described condensator outlet is in series with the guiding check valve to the pipeline of expansion valve, guiding is to the evaporimeter direction from condensator outlet with the conducting direction of check valve, in guiding liquid refrigerants delivery source of two ends cross-over connection with check valve, described liquid refrigerants delivery source comprises liquid refrigerants delivery pump and cooling medium liquid storage tank, the liquid outlet of refrigerant delivery pump is connected guiding and goes out to hold on the pipeline with check valve, the inlet of refrigerant delivery pump is connected to the outlet of cooling medium liquid storage tank by pipeline, and guiding is tapped into the import of cooling medium liquid storage tank with check valve inlet side pipeline.
2. the liquid refrigerants conveying device of a kind of air-conditioning system according to claim 1, it is characterized in that, liquid outlet at described refrigerant delivery pump connects on the pipeline that goes out to hold with check valve that leads, and is respectively arranged with stop valve and check valve on the pipeline that is connected to the import of cooling medium liquid storage tank with check valve inlet side pipeline that leads.
3. the liquid refrigerants conveying device of a kind of air-conditioning system according to claim 1, it is characterized in that, the vertical range of described cooling medium liquid storage tank bottom surface and compressor top is greater than one meter, the pipeline vertical direction that described cooling medium liquid storage tank outlet is connected to refrigerant delivery pump inlet is the miter angle setting, is provided with magnetic valve in this pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120095973XU CN202041032U (en) | 2011-04-02 | 2011-04-02 | Liquid refrigerant conveying device of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120095973XU CN202041032U (en) | 2011-04-02 | 2011-04-02 | Liquid refrigerant conveying device of air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202041032U true CN202041032U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120095973XU Expired - Fee Related CN202041032U (en) | 2011-04-02 | 2011-04-02 | Liquid refrigerant conveying device of air conditioning system |
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| CN (1) | CN202041032U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767890A (en) * | 2012-08-11 | 2012-11-07 | 山东雅士股份有限公司 | Hydraulic filling type central air-conditioning unit |
| CN103234302A (en) * | 2013-05-07 | 2013-08-07 | 南京瑞柯徕姆环保科技有限公司 | Liquid-circulation type heat pump device |
| CN103256743A (en) * | 2013-04-18 | 2013-08-21 | 南京瑞柯徕姆环保科技有限公司 | Overlapping type freezing-force circulation refrigeration unit (low pressure side) |
| CN103256744A (en) * | 2013-04-18 | 2013-08-21 | 南京瑞柯徕姆环保科技有限公司 | Overlapping type freezing-force circulation refrigeration unit (high pressure side) |
| CN103868264A (en) * | 2012-12-07 | 2014-06-18 | 力博特公司 | Receiver tank purge in vapor compression cooling system with pumped refrigerant economization |
| CN112413946A (en) * | 2020-11-23 | 2021-02-26 | 珠海格力电器股份有限公司 | Refrigerant recovery control method and device, refrigerant recovery equipment and air conditioning equipment |
| CN115342541A (en) * | 2022-08-02 | 2022-11-15 | 中煤能源研究院有限责任公司 | Phase-change adjustable heat energy conveying system and control method thereof |
-
2011
- 2011-04-02 CN CN201120095973XU patent/CN202041032U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767890A (en) * | 2012-08-11 | 2012-11-07 | 山东雅士股份有限公司 | Hydraulic filling type central air-conditioning unit |
| CN102767890B (en) * | 2012-08-11 | 2015-02-04 | 山东雅士股份有限公司 | Hydraulic filling type central air-conditioning unit |
| CN103868264A (en) * | 2012-12-07 | 2014-06-18 | 力博特公司 | Receiver tank purge in vapor compression cooling system with pumped refrigerant economization |
| CN103868264B (en) * | 2012-12-07 | 2018-11-02 | 力博特公司 | Recipient/surge tank emptying in vapor compression refrigeration systems with pump refrigerant energy-saving appliance |
| CN103256743A (en) * | 2013-04-18 | 2013-08-21 | 南京瑞柯徕姆环保科技有限公司 | Overlapping type freezing-force circulation refrigeration unit (low pressure side) |
| CN103256744A (en) * | 2013-04-18 | 2013-08-21 | 南京瑞柯徕姆环保科技有限公司 | Overlapping type freezing-force circulation refrigeration unit (high pressure side) |
| CN103256743B (en) * | 2013-04-18 | 2015-03-04 | 南京瑞柯徕姆环保科技有限公司 | Overlapping type freezing-force circulation refrigeration unit (low pressure side) |
| CN103234302A (en) * | 2013-05-07 | 2013-08-07 | 南京瑞柯徕姆环保科技有限公司 | Liquid-circulation type heat pump device |
| CN103234302B (en) * | 2013-05-07 | 2015-04-08 | 南京瑞柯徕姆环保科技有限公司 | Liquid-circulation type heat pump device |
| CN112413946A (en) * | 2020-11-23 | 2021-02-26 | 珠海格力电器股份有限公司 | Refrigerant recovery control method and device, refrigerant recovery equipment and air conditioning equipment |
| CN115342541A (en) * | 2022-08-02 | 2022-11-15 | 中煤能源研究院有限责任公司 | Phase-change adjustable heat energy conveying system and control method thereof |
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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: 20111116 Termination date: 20170402 |