CN203432144U - Early vendor involvement (EVI) trigeneration system - Google Patents
Early vendor involvement (EVI) trigeneration system Download PDFInfo
- Publication number
- CN203432144U CN203432144U CN201320442494.XU CN201320442494U CN203432144U CN 203432144 U CN203432144 U CN 203432144U CN 201320442494 U CN201320442494 U CN 201320442494U CN 203432144 U CN203432144 U CN 203432144U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- valve
- evi
- pipeline
- supply system
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model discloses an early vendor involvement (EVI) trigeneration system mainly comprising a compressor, a four-way reversing valve, a first heat exchanger, a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a first expansion valve, a one-way valve, a filter, a liquid storage device and a gas-liquid separator which respectively form a refrigeration loop and a heating loop after being connected by pipelines, wherein the first heat exchange group of the fourth heat exchanger is serially connected to a shared section of the refrigeration loop and the heating loop through a pipeline; the EVI trigeneration system is also provided with a first electromagnetic valve and a second expansion valve which form a first auxiliary pipeline by being serially connected with the second heat exchange group of the fourth heat exchanger between the filter and the air return port of the compressor. Due to the adoption of the technical scheme, the structure is simple and reasonable, refrigeration, heating and hot water supply can be realized, and the problems of normal work, high efficiency and high heating capacity of a heat pump air conditioner in a low-temperature environment.
Description
Technical field
The utility model relates to field of air conditioning, relates in particular to the EVI combined supply system that a kind of air energy heat pump that utilizes air injection enthalpy-increasing is realized refrigeration, heating, supplying hot water.
Background technology
Heat pump air conditioner substantially can not heat under-5 ℃ of low temperature environments at present, and heating efficiency obviously declines, and substantially can not use especially at north of china in winter, and the effective rate of utilization of air energy heat pump aircondition is very low, and can not produce hot water.As can be seen here, need a kind of can realization for refrigeration, heating, supplying hot water, and can under low temperature environment, can work and efficiency is high, heating capacity is large EVI combined supply system.。
Summary of the invention
Main purpose of the present utility model be to overcome above-mentioned the deficiencies in the prior art and provide a kind of and there is refrigeration, for the ability of warm supplying hot water, can work at low temperatures and efficiency is high, heating capacity is large EVI combined supply system.
In order to solve the problems of the technologies described above, the utility model provides a kind of EVI combined supply system, comprises compressor, four-way change-over valve, heat exchanger, expansion valve.
The exhaust outlet of described compressor is connected with the D interface of First Heat Exchanger, described four-way change-over valve by pipeline, and the air entry of described compressor is connected with the S interface of gas-liquid separator, described four-way change-over valve by pipeline; The E interface of the C interface of described four-way change-over valve and the second heat exchanger, the first check valve, reservoir, filter, the 4th heat exchanger, the first expansion valve, the 3rd check valve, the 3rd heat exchanger, described four-way change-over valve is by the pipeline formation refrigerating circuit of connecting successively, meanwhile, the C interface of the E interface of described four-way change-over valve, the 3rd heat exchanger, the second check valve, reservoir, filter, the 4th heat exchanger, the first expansion valve, the 4th check valve, the second heat exchanger, described four-way change-over valve is connected successively and is formed heating loop by pipeline.
The first heat exchange group of described the 4th heat exchanger is serially connected in the common sections in described refrigerating circuit and heating loop by pipeline; Described EVI combined supply system be also provided with the first magnetic valve, the second expansion valve and and the second heat exchange group of the 4th heat exchanger by pipeline, be serially connected in and between filter and the gas returning port of described compressor, form the first bypass pipeline.
As the improvement of technique scheme, described EVI combined supply system is also provided with the second magnetic valve, the 5th check valve, capillary and is serially connected in and between filter and the gas returning port of described compressor, is formed the second bypass pipeline by pipeline.
Improvement as technique scheme, described EVI combined supply system also comprises two temperature-sensitive bags, the first temperature-sensitive bag is arranged on the pipe surface that described four-way change-over valve is connected with described gas-liquid separator, and be connected with the first expansion valve, the second temperature-sensitive bag is arranged on the pipe surface that the second heat exchange group of described the 4th heat exchanger is connected with described compressor return air mouth, and is connected with the second expansion valve.
Further, described temperature-sensitive bag is thermistor.
As the improvement of technique scheme, described expansion valve is outer balanced type heating power expansion valve.
As the improvement of technique scheme, described compressor is air injection enthalpy-increasing compressor.
As the improvement of technique scheme, described First Heat Exchanger and the 3rd heat exchanger are double-tube heat exchanger or case tube heat exchanger or plate type heat exchanger, and described the second heat exchanger is finned heat exchanger, and the 4th heat exchanger is plate type heat exchanger.
Implement the embodiment of the present invention, there is following beneficial effect:
EVI combined supply system of the present utility model, simple and reasonable, utilize four-way change-over valve to carry out the trend of control loop coolant media, realize refrigeration, heating, in First Heat Exchanger, set up water route simultaneously, water is heated intensification, for user provides hot water, and utilize bypass pipeline to make coolant media more have efficiency before first expansion valve of flowing through and lower the temperature in advance, when through evaporimeter, coolant media temperature is lower than ambient temperature, can draw more heat to low temperature environment, thereby solved, heat pump air conditioner works under low temperature environment and efficiency is high, heating capacity is large.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing to embodiment is briefly described.
Fig. 1 is a kind of structural representation of EVI combined supply system.
The specific embodiment
Below in conjunction with accompanying drawing, further describe the specific embodiment of the present utility model.
As shown in Figure 1, a kind of EVI combined supply system, comprises compressor 1, four-way change-over valve 2, heat exchanger 3, expansion valve 5.
The exhaust outlet 11 of above-mentioned compressor 1 is connected with the D interface of First Heat Exchanger 31, above-mentioned four-way change-over valve by pipeline, and the air entry 12 of above-mentioned compressor 1 is connected with the S interface of gas-liquid separator 9, above-mentioned four-way change-over valve 2 by pipeline, the C interface of described four-way change-over valve 2 and the second heat exchanger 32, the first check valve 41, reservoir 7, filter 8, the 4th heat exchanger 34, the first expansion valve 51, the 3rd check valve 43, the 3rd heat exchanger 33, the E interface of above-mentioned four-way change-over valve 2 is by the pipeline formation refrigerating circuit of connecting successively, simultaneously, the E interface of above-mentioned four-way change-over valve 2, the 3rd heat exchanger 33, the second check valve 42, reservoir 7, filter 8, the 4th heat exchanger 34, the first expansion valve 51, the 4th check valve 44, the second heat exchanger 32, the C interface of above-mentioned four-way change-over valve 2 is connected successively and is formed heating loop by pipeline.
The first heat exchange group 341 of above-mentioned the 4th heat exchanger 34 is serially connected in the common sections in described refrigerating circuit and heating loop by pipeline; Described EVI combined supply system be also provided with the first magnetic valve 61, the second expansion valve 62 and and the second heat exchange group 342 of the 4th heat exchanger 34 by pipeline, be serially connected between filter 8 and the air entry 12 of described compressor 1 and form the first bypass pipeline.
Meanwhile, above-mentioned EVI combined supply system is also provided with the second magnetic valve 62, the 5th check valve 45, capillary 10 and is serially connected between filter 8 and the gas returning port 13 of described compressor 1 and is formed the second bypass pipeline by pipeline.
During system works, refrigerant is as medium, air is as thermal source, by inputting a small amount of electric energy, 1 operation of drive compression machine, when its working procedure is heating, the second heat exchanger 32 is as evaporimeter, all the other heat exchangers are as condenser, during refrigeration, the 3rd heat exchanger 33 is as evaporimeter, all the other heat exchangers are as condenser, evaporimeter absorbs heat from surrounding environment like this, evaporation heat transfer coolant media, the heat transfer coolant media that this is evaporated temperature, pressure after compressor 1 rises, and through the First Heat Exchanger 31 heat radiation condensations as condenser, heat in coolant media is delivered in the water of the attemperater that is equipped with condenser during this time, carry out first heat exchange, water is by static heat temperature raising, thereby generation hot water, condensed coolant media continues again the decompression of condensation cooling and the first expansion valve 51 through other heat exchangers as condenser, get back to evaporimeter and be evaporated again heat absorption, make coolant media be circulated back to compressor 1.
During refrigeration, the gas of HTHP discharged coolant media compression by compressor 1 by exhaust outlet 11, described high temperature and high pressure gas enters the liquid that obtains HTHP after First Heat Exchanger 31 condensations as condenser, the second heat exchanger 32 that the C interface of process four-way change-over valve enters as condenser carries out the cooling of heat release for the second time, then by the first check valve 41, reservoir 7, filter 8 enters as the first heat exchange group 341 of the 4th heat exchanger 34 of condenser and carries out the cooling of heat release for the third time, by expansion valve, reduce again the flow of refrigerant, decrease temperature and pressure, obtain the liquid of low-temp low-pressure, finally flow through and be significantly less than airborne temperature as the coolant media temperature in the 3rd heat exchanger 33 of evaporimeter, absorb amount of heat, the 3rd heat exchanger 33 produces very low low temperature environment around, reach better cooling effect.
During heating, the gas of HTHP got rid of coolant media compression by compressor 1 by exhaust outlet 11, described high temperature and high pressure gas enters the liquid that obtains HTHP after First Heat Exchanger 31 condensations as condenser, the 3rd heat exchanger 33 that the E interface of process four-way change-over valve enters as condenser carries out the cooling of heat release for the second time, water in the 3rd heat exchanger 33 starts to be heated simultaneously, then by the second check valve 42, reservoir 7, filter 8 enters as the first heat exchange group 341 of the 4th heat exchanger 34 of condenser and carries out the cooling of heat release for the third time, by expansion valve, reduce again the flow of refrigerant, decrease temperature and pressure, obtain the liquid of low-temp low-pressure, finally flow through and be significantly less than airborne temperature as the coolant media temperature in the second heat exchanger 32 of evaporimeter, absorb amount of heat, coolant media becomes gaseous state again and returns to compressor 1, complete once circulation.Subsequently, the continuous periodic duty of system, the water in the 3rd heat exchanger 33 constantly heats, and ambient temperature improves, thereby reaches heating effect better.
When environment temperature is spent lower than 5, the first magnetic valve 61 is open-minded, when coolant media is flowed through the second expansion valve 52 of this bypass pipeline, there is decrease temperature and pressure and be delivered to the second heat exchange group 342 of the 4th heat exchanger 34, form the temperature difference with the coolant media in the first heat exchange group 341 of the 4th heat exchanger 34, and carry out heat exchange in the 4th heat exchanger 34, the coolant media of main road pipeline is further lowered the temperature, when flowing through the second heat exchanger 32, coolant media temperature is significantly less than airborne temperature, can be in Cryogenic air draw heat, thereby can under low temperature environment, normally heat.Otherwise when environment temperature is spent higher than 7, the first magnetic valve 61 cuts out, system is normally heating still.
When the delivery temperature of compressor 1 is spent higher than 100, the second magnetic valve 62 is open-minded, when coolant media is flowed through the capillary 10 of this bypass pipeline, occur in decrease temperature and pressure the defeated discharge chamber that is back to compressor 1, mix eliminating with the HTHP coolant media after compression, in order to avoid discharge coolant media excess Temperature, cause compressor 1 fault, affect service life of a machine.Otherwise when the delivery temperature of compressor 1 is spent lower than 85, the second magnetic valve 62 cuts out.
Above-mentioned EVI combined supply system also comprises two temperature-sensitive bags, the first temperature-sensitive bag 511 is arranged on the pipe surface that described four-way change-over valve 2 is connected with described gas-liquid separator 9, and be connected with the first expansion valve 51, the second temperature-sensitive bag 521 is arranged on the pipe surface that the second heat exchange group of described the 4th heat exchanger is connected with described compressor return air mouth 13, and be connected with the second expansion valve 52, thereby the detection by temperature-sensitive bag to this segment pipe coolant media temperature, control in real time the flow of expansion valve, the temperature and pressure of coolant media in balance sysmte loop.
Preferably, above-mentioned temperature-sensitive bag 511,521 is thermistor.
Preferably, above-mentioned expansion valve 5 is outer balanced type heating power expansion valve.
Preferably, above-mentioned compressor 1 is air injection enthalpy-increasing compressor.
Preferably, above-mentioned First Heat Exchanger 31 and the 3rd heat exchanger 33 are double-tube heat exchanger or case tube heat exchanger or plate type heat exchanger, and described the second heat exchanger 32 is finned heat exchanger, and the 4th heat exchanger 34 is plate type heat exchanger.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (7)
1. an EVI combined supply system, is characterized in that: comprise compressor, four-way change-over valve, heat exchanger, expansion valve;
The exhaust outlet of described compressor is connected with the D interface of First Heat Exchanger, described four-way change-over valve by pipeline, and the air entry of described compressor is connected with the S interface of gas-liquid separator, described four-way change-over valve by pipeline; The E interface of the C interface of described four-way change-over valve and the second heat exchanger, the first check valve, reservoir, filter, the 4th heat exchanger, the first expansion valve, the 3rd check valve, the 3rd heat exchanger, described four-way change-over valve is by the pipeline formation refrigerating circuit of connecting successively, meanwhile, the C interface of the E interface of described four-way change-over valve, the 3rd heat exchanger, the second check valve, reservoir, filter, the 4th heat exchanger, the first expansion valve, the 4th check valve, the second heat exchanger, described four-way change-over valve is connected successively and is formed heating loop by pipeline;
The first heat exchange group of described the 4th heat exchanger is serially connected in the common sections in described refrigerating circuit and heating loop by pipeline; Described EVI combined supply system be also provided with the first magnetic valve, the second expansion valve and and the second heat exchange group of the 4th heat exchanger by pipeline, be serially connected in and between filter and the gas returning port of described compressor, form the first bypass pipeline.
2. EVI combined supply system according to claim 1, is characterized in that: described EVI combined supply system is also provided with the second magnetic valve, the 5th check valve, capillary and is serially connected in and between filter and the gas returning port of described compressor, is formed the second bypass pipeline by pipeline.
3. EVI combined supply system according to claim 1, it is characterized in that: described EVI combined supply system also comprises two temperature-sensitive bags, the first temperature-sensitive bag is arranged on the pipe surface that described four-way change-over valve is connected with described gas-liquid separator, and be connected with the first expansion valve, the second temperature-sensitive bag is arranged on the pipe surface that the second heat exchange group of described the 4th heat exchanger is connected with described compressor return air mouth, and is connected with the second expansion valve.
4. EVI combined supply system according to claim 3, is characterized in that: described temperature-sensitive bag is thermistor.
5. EVI combined supply system according to claim 1, is characterized in that: described expansion valve is outer balanced type heating power expansion valve.
6. EVI combined supply system according to claim 1, is characterized in that: described compressor is air injection enthalpy-increasing compressor.
7. EVI combined supply system according to claim 1, it is characterized in that: described First Heat Exchanger and the 3rd heat exchanger are double-tube heat exchanger or case tube heat exchanger or plate type heat exchanger, described the second heat exchanger is finned heat exchanger, and the 4th heat exchanger is plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442494.XU CN203432144U (en) | 2013-07-24 | 2013-07-24 | Early vendor involvement (EVI) trigeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442494.XU CN203432144U (en) | 2013-07-24 | 2013-07-24 | Early vendor involvement (EVI) trigeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432144U true CN203432144U (en) | 2014-02-12 |
Family
ID=50061178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320442494.XU Expired - Fee Related CN203432144U (en) | 2013-07-24 | 2013-07-24 | Early vendor involvement (EVI) trigeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203432144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234941A (en) * | 2017-06-09 | 2017-10-10 | 上海加冷松芝汽车空调股份有限公司 | A kind of car concentrates heat management system |
| CN110360767A (en) * | 2019-06-05 | 2019-10-22 | 天津城建大学 | A kind of driving compression heat pump system of flexible gas engine with combustion-compensating device |
-
2013
- 2013-07-24 CN CN201320442494.XU patent/CN203432144U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234941A (en) * | 2017-06-09 | 2017-10-10 | 上海加冷松芝汽车空调股份有限公司 | A kind of car concentrates heat management system |
| CN107234941B (en) * | 2017-06-09 | 2024-03-19 | 上海加冷松芝汽车空调股份有限公司 | Centralized heat management system for passenger car |
| CN110360767A (en) * | 2019-06-05 | 2019-10-22 | 天津城建大学 | A kind of driving compression heat pump system of flexible gas engine with combustion-compensating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101571330B (en) | Multifunctional frost-free solar-assisted heat pump system | |
| CN206250358U (en) | Battery temperature control | |
| CN105042931A (en) | Combined heat pump system adopting trans-critical circulation and absorption heat pump co-production | |
| CN206094374U (en) | Components of a whole that can function independently low temperature frequency conversion trigeminy supplies heat pump system | |
| CN105004095A (en) | Compound heat pump system for co-production by adopting trans-critical circle and two-stage absorption type heat pump cycle | |
| CN103499163A (en) | Direct expansion type solar heat pump air conditioning system | |
| CN203964487U (en) | Air-conditioning system | |
| CN203432144U (en) | Early vendor involvement (EVI) trigeneration system | |
| CN109163470A (en) | A kind of ultralow temperature carbon dioxide water chiller-heater unit | |
| CN202350305U (en) | Air energy heat pump water heater with super-low energy consumption | |
| CN203432079U (en) | High-water temperature heat pump unit | |
| CN203550280U (en) | Direct-expansion solar heat pump air-conditioning system | |
| CN202648134U (en) | Hot-gas bypass defrosting type heat-pump water heater | |
| CN106352612A (en) | Solar-air-energy refrigerating/heating air conditioning unit applicable to ultralow temperature | |
| CN105157274A (en) | Refrigeration and heating system | |
| CN102305496B (en) | Air-cooled heat pump unit | |
| CN203628883U (en) | Refrigerating and heating machine system | |
| CN201652987U (en) | Novel air conditioning system with cold and hot drinking water supply functions | |
| CN101021368A (en) | Energy conserving heat exchanging device utilizing refrigerant | |
| CN203719224U (en) | Direct-combustion lithium bromide absorption cold and hot water unit used for producing high-temperature hot water | |
| CN203053079U (en) | Fuel gas auxiliary heating energy storage type solar energy absorption refrigeration device | |
| CN203432135U (en) | Combined cooling, heating and power integral system | |
| CN202770081U (en) | Solar auxiliary thermal source tower heat pump system | |
| CN101975487B (en) | Diffused absorption refrigeration and hot water system using solar power | |
| CN201715643U (en) | High-temperature heat recovery type GSHP (ground source heat pump) air conditioning unit |
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: 20140212 Termination date: 20200724 |