CN103090595A - Water source heat pump with automatic condensing pressure adjusting function - Google Patents
Water source heat pump with automatic condensing pressure adjusting function Download PDFInfo
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- CN103090595A CN103090595A CN2011103431392A CN201110343139A CN103090595A CN 103090595 A CN103090595 A CN 103090595A CN 2011103431392 A CN2011103431392 A CN 2011103431392A CN 201110343139 A CN201110343139 A CN 201110343139A CN 103090595 A CN103090595 A CN 103090595A
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- condenser
- heat pump
- pipe
- compressor
- refrigerating medium
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Abstract
The invention relates to a water source heat pump with an automatic condensing pressure adjusting function. The water source heat pump comprises a compressor, a condenser, an evaporator and a high-pressure balance pipe, a refrigerating medium in the compressor is discharged to the condenser through an exhaust pipe, the refrigerating medium in the condenser flows to the evaporator through an expansion valve, the evaporator is connected with the compressor, the condenser comprises a side water inlet pipe and a source side water outlet pipe, one end of the high-pressure balance pipe is connected with the compressor, and the other end of the high-pressure balance pipe is connected with a source side water inlet pipe of the condenser through a condensing pressure adjusting valve. The water source heat pump has the advantages that flow of the source side refrigerating medium entering the condenser is adjusted by the aid of the condensing pressure adjusting valve, so that the condensing pressure value of the condenser is still kept stable when the temperature of the source side refrigerating medium is changed, a whole system stably runs, and the water source heat pump can still achieve rated refrigerating capacity when running under the condition that the temperature of the source side refrigerating medium is changed.
Description
Technical field
The present invention relates to a kind of water resource heat pump, relate in particular to the condenser structure in this water resource heat pump.
Background technology
Water resource heat pump is comprised of parts such as compressor, condenser, expansion valve, evaporimeters.Housing mostly is the sheet metal structural form, and above-mentioned parts are fixed on panel beating.It is (usually a kind of mobile in pipe that the cold-producing medium of the HTHP that source refrigerating medium and compressor are discharged in condenser carries out heat exchange, another kind of mobile outside pipe), the source refrigerating medium is absorbing heat by being flowed out to outside other cooling system by the condenser delivery port, and flows into evaporimeter by the expansion valve throttling and after inferior cooling again through the cold-producing medium after the condensation cooling.Use the low-temperature refrigerant of side refrigerating medium and inflow to carry out heat exchange in evaporimeter (usually a kind of mobile in pipe, another kind of mobile outside pipe), use side refrigerating medium temperature after release heat to reduce, flowing out to via the evaporimeter delivery port needs in the user of cooling room, and returns compressor through the cold-producing medium after evaporation endothermic.The pressure during condensation of cold-producing medium in condenser is called condensing pressure, its condensing pressure value is subjected to the impact of source refrigerating medium very large, usually the variations in temperature of refrigerating medium and condensing pressure is varied to proportional relation, and the refrigerating capacity and the operation stability that change whole water source heat pump units when condensing pressure have great impact, because the temperature of source refrigerating medium is affected by extraneous factor and alters a great deal in whole water source heat pump system running, so stable vital meaning arranged by what the condensation pressure regulation valve guaranteed condensing pressure value.
Fig. 1 is the water source heat pump units structural representation of prior art, and the cold and hot two kinds of fluids that participate in heat exchange are respectively cold-producing medium and refrigerating medium.Refrigerant side, cold-producing medium is discharged to condenser 3 by compressor 1 through blast pipe 2, flow to expansion valve 6 in condenser with after source refrigerating medium heat exchange cooling, then carry out flowing back into compressor 1 after heat exchange with using the side refrigerating medium by flowing to after expansion valve throttling decrease temperature and pressure in evaporimeter 7; The source refrigerating medium of condenser 3 is by source water inlet pipe 4, again by 8 outflows of source outlet pipe.
Above-mentioned structure makes when the source refrigerating medium when variations in temperature occurring, the condensing pressure value of condenser also can change accordingly, cause system's operation not steady, specified refrigerating capacity can't be stable bring into play, can shorten greatly the service life of water source heat pump units because of the continuous variation of load simultaneously.Therefore come the condensing pressure value of stable regulation condenser to have great significance by the condensation pressure regulation valve.
Summary of the invention
The technical issues that need to address of the present invention have been to provide a kind of water resource heat pump with condensing pressure automatic regulation function, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The present invention includes: compressor; Described compressor is discharged to condenser through blast pipe; Described condenser flows to evaporimeter through expansion valve; Described evaporimeter is connected with described compressor; Comprise on described condenser: side water inlet pipe and source outlet pipe; Also comprise: the high-pressure balancing pipe; Described high-pressure balancing Guan Yiduan is connected with described compressor, and the described high-pressure balancing pipe other end is connected with the source water inlet pipe of condenser through the condensation pressure regulation valve.
Compared with prior art, the invention has the beneficial effects as follows: owing to adopting the condensation pressure regulation valve to regulate the flow of the source refrigerating medium that enters condenser, and then the condensing pressure value that still makes described condenser when the source refrigerant temperature changes keeps stable, whole system operates steadily, guaranteeing that described water resource heat pump changes under operation at the source refrigerant temperature still can bring into play specified refrigerating capacity, has extended greatly the service life of described water resource heat pump simultaneously.
Description of drawings
Fig. 1 is prior art water resource heat pump structural representation.
Fig. 2 is structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
As seen from Figure 2: the present invention includes: compressor 1; Described compressor 1 is discharged to condenser 3 through blast pipe 2; Described condenser 3 flows to evaporimeter 7 through expansion valve 6; Described evaporimeter 7 is connected with described compressor 1; Comprise source water inlet pipe 4 and source outlet pipe 8 on described condenser 3; Also comprise: high-pressure balancing pipe 9; Described high-pressure balancing pipe 9 one ends are connected with described compressor 1, and described high-pressure balancing pipe 9 other ends are connected with the source water inlet pipe 4 of condenser 3 through condensation pressure regulation valve 5.
The condenser source water influent side that the present embodiment is applied to water-ability of swimming water resource heat pump single cooler group take the present invention is as example, and as shown in Figure 2, whole water-ability of swimming source heat pump system is divided into two kinds of working medium strokes: cold-producing medium stroke and refrigerating medium (source/use side) stroke.
Be divided into two-way in the cold-producing medium stroke: the first via: the cold-producing medium of HTHP is discharged via compressor 1, flow in condenser 3 through blast pipe 2, carry out heat exchange with the refrigerating medium of coming via 5 conveyings of condensation pressure regulation valve from source water inlet pipe 4, cold-producing medium after the condensation cooling flows out by the 6 reducing pressure by regulating flow coolings of overexpansion valve, then flow back into compressor 1 after carrying out heat exchange through evaporimeter 7 and use side refrigerating medium, complete whole cycle heat exchange process.The second the tunnel: cold-producing medium is connected with the compression fittings of condensation pressure regulation valve 5 through high-pressure balancing pipe 9 by blast pipe 2.
In source refrigerating medium stroke: flowed out by source outlet pipe 8 again the refrigerating medium that the source refrigerating medium is carried via condensation pressure regulation valve 5 by source water inlet pipe 4 carries out heat exchange with the cold-producing medium that flows in condenser 3 after.
in this flow process, when source refrigerating medium inflow temperature is too high, condensing pressure value raises, pressure in blast pipe 2 also can increase, the cold-producing medium of high pressure passes to the compression fittings of condensation pressure regulation valve 5 by high-pressure balancing pipe 9, impel condensation pressure regulation valve 5 apertures to increase, source refrigerating medium flow increases, then strengthen in two kinds of working medium heat exchange of condenser 3 inside, condensing pressure value reduces, pressure in blast pipe 2 also can reduce, the cold-producing medium of pressure decreased passes to the compression fittings of condensation pressure regulation valve 5 again by balance pipe 9, impel the condensation pressure regulation valve opening to reduce, source refrigerating medium flow also reduces thereupon.
The whole circulatory system operation and the regulating system that form are thus regulated the condensation pressure regulation valve by the way, guarantee stable condensing pressure value, and then guaranteed the performance of the specified refrigerating capacity of water source heat pump units also to have increased greatly the service life of water resource heat pump simultaneously.
The present embodiment also is applicable to the present invention and uses as heat pump.
Certainly, except above-described embodiment, the present invention can also pass through manual adjustments condensation pressure regulation valve, realizes the needed condensing pressure value of free type selecting, thereby reaches the heat exchange requirement of satisfying the different application place.In addition, the high-pressure balancing pipe can adopt installs and keeps in repair convenient other materials such as highstrenghtpiston's flexible pipe, and the condensation pressure regulation valve can adopt other connected modes such as welding or flange connection.
Claims (1)
1. the water resource heat pump with condensing pressure automatic regulation function, comprising: compressor; Described compressor is discharged to condenser through blast pipe; Described condenser flows to evaporimeter through expansion valve; Described evaporimeter is connected with described compressor; Comprise on described condenser: side water inlet pipe and source outlet pipe; Characterized by further comprising: the high-pressure balancing pipe; Described high-pressure balancing Guan Yiduan is connected with described compressor, and the described high-pressure balancing pipe other end is connected with the source water inlet pipe of condenser through the condensation pressure regulation valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103431392A CN103090595A (en) | 2011-11-03 | 2011-11-03 | Water source heat pump with automatic condensing pressure adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103431392A CN103090595A (en) | 2011-11-03 | 2011-11-03 | Water source heat pump with automatic condensing pressure adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103090595A true CN103090595A (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103431392A Pending CN103090595A (en) | 2011-11-03 | 2011-11-03 | Water source heat pump with automatic condensing pressure adjusting function |
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| CN (1) | CN103090595A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762030Y (en) * | 2004-12-17 | 2006-03-01 | 广东美的电器股份有限公司 | Adjusting structure of compression ratio of compressor |
| CN200955883Y (en) * | 2006-09-15 | 2007-10-03 | 佛山市确正冷热设备有限公司 | Compressor condensing pressure regulating mechanism |
| CN201196488Y (en) * | 2008-04-11 | 2009-02-18 | 佛山市确正冷热设备有限公司 | Novel circulation and directly-heating type integrated heat pump water heating unit |
| EP2312226A2 (en) * | 2009-09-30 | 2011-04-20 | Fujitsu General Limited | Heat pump apparatus |
| CN202304110U (en) * | 2011-11-03 | 2012-07-04 | 上海瀚艺冷冻机械有限公司 | Water source heat pump capable of automatically adjusting condensing pressure |
-
2011
- 2011-11-03 CN CN2011103431392A patent/CN103090595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762030Y (en) * | 2004-12-17 | 2006-03-01 | 广东美的电器股份有限公司 | Adjusting structure of compression ratio of compressor |
| CN200955883Y (en) * | 2006-09-15 | 2007-10-03 | 佛山市确正冷热设备有限公司 | Compressor condensing pressure regulating mechanism |
| CN201196488Y (en) * | 2008-04-11 | 2009-02-18 | 佛山市确正冷热设备有限公司 | Novel circulation and directly-heating type integrated heat pump water heating unit |
| EP2312226A2 (en) * | 2009-09-30 | 2011-04-20 | Fujitsu General Limited | Heat pump apparatus |
| CN202304110U (en) * | 2011-11-03 | 2012-07-04 | 上海瀚艺冷冻机械有限公司 | Water source heat pump capable of automatically adjusting condensing pressure |
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Application publication date: 20130508 |