CN207006482U - A kind of central air-conditioning energy-saving system - Google Patents
A kind of central air-conditioning energy-saving system Download PDFInfo
- Publication number
- CN207006482U CN207006482U CN201720760544.7U CN201720760544U CN207006482U CN 207006482 U CN207006482 U CN 207006482U CN 201720760544 U CN201720760544 U CN 201720760544U CN 207006482 U CN207006482 U CN 207006482U
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- heat exchanger
- pipeline
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- heat
- entrance
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
A kind of central air-conditioning energy-saving system, including a screw compressor, the gases at high pressure outlet of screw compressor is connected by pipeline with the pressurized gas inlet of a triple valve, wherein one outlet of triple valve is connected by pipeline with the import of heat recovery heat exchange device, and another outlet of triple valve is connected by pipeline with the pressurized gas inlet of a four-way valve.The utility model uses said structure, the heat that condenser can be made full use of to discharge, heat is no longer directly discharged in air by cooling fan, but carry out recycling, to need the place of hot water to provide hot water, avoid and thermal pollution is caused to surrounding environment, avoid the waste to heat energy.
Description
Technical field：
It the utility model is related to a kind of central air-conditioning energy-saving system.
Background technology：
At present, as scientific and technological level develops rapidly and human civilization degree improves constantly, people are relaxed to life, environment
Appropriateness proposes higher requirement, adjoint and also increased dramatically come the demand for the energy.Modern air conditioning product is the life of people
Work provides satisfied comfort level, is at the same time also largely consuming the energy of preciousness.For common central air-conditioning energy
When system, wind-cooled cold-water or source pump cooling condition provide cold water, the heat that condensed device discharges is generally by cooling down wind
Fan is directly discharged in air, and this not only causes certain thermal pollution to surrounding environment, turns into " urban heat land effect "
One of source, while be also a kind of huge waste to heat energy.And in actual life, such as hotel, hospital, factory place exist
While cooling in summer, it is also desirable to a large amount of lives or technique hot water.And traditional central air conditioner system can not be while refrigeration
Meets the needs of hot water.
Utility model content：
The utility model provides a kind of central air-conditioning energy-saving system, and it is reasonable in design, can make full use of condensation
The heat that device discharges, heat are no longer directly discharged in air by cooling fan, but carry out recycling, to need
Want the place of hot water to provide hot water, avoid and thermal pollution is caused to surrounding environment, avoid the waste to heat energy, solve existing
Problem present in technology.
The utility model is that technical scheme is used by solving above-mentioned technical problem：A kind of central air-conditioning energy-saving system,
Including a screw compressor, the gases at high pressure outlet of screw compressor passes through pipeline and the pressurized gas inlet of a triple valve
It is connected, wherein one outlet of triple valve is connected by pipeline with the import of heat recovery heat exchange device, and another outlet of triple valve leads to
The pressurized gas inlet that pipeline is crossed with a four-way valve is connected；Also include an air-cooled heat exchanger, the high pressure gas of air-cooled heat exchanger
Body entrance is connected by the gases at high pressure outlet of pipeline and four-way valve, the highly pressurised liquid outlet of air-cooled heat exchanger by pipeline and
The pipeline for being connected to the highly pressurised liquid outlet of heat recovery heat exchange device is collected to the entrance of an electric expansion valve together, air-cooled
One is equipped with towards electronics on the highly pressurised liquid export pipeline of heat exchanger and the highly pressurised liquid export pipeline of heat recovery heat exchange device
The check valve of expansion valve, the outlet of electric expansion valve are connected by pipeline with the entrance of shell and tube exchanger, shell and tube exchanger
Outlet be connected by pipeline with the low-pressure gas entrance of four-way valve, the low pressure. gas outlet of four-way valve passes through pipeline and screw
The low-pressure gas entrance of compressor is connected.
The heat recovery heat exchange device includes First Heat Exchanger, the second heat exchanger and the 3rd heat exchanger, First Heat Exchanger
Outlet is connected with the entrance of the second heat exchanger, and the outlet of the second heat exchanger is connected with the entrance of the 3rd heat exchanger, First Heat Exchanger
Entrance by pipeline be connected to triple valve wherein one outlet, the outlet of the 3rd heat exchanger is connected to electronic expansion by pipeline
The entrance of valve；Also include a heat exchanger triple valve, three mouths of heat exchanger triple valve respectively by pipeline and First Heat Exchanger and
The export pipeline of pipeline between pipeline, the second heat exchanger and the 3rd heat exchanger and the 3rd heat exchanger between second heat exchanger
It is connected.
The utility model uses said structure, and the heat that condenser can be made full use of to discharge, heat is no longer by cold
But fan is directly discharged in air, but carries out recycling, to need the place of hot water to provide hot water, is avoided pair
Surrounding environment causes thermal pollution, avoids the waste to heat energy.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of heat recovery heat exchange device of the present utility model.
In figure, 1, screw compressor, 2, triple valve, 3, heat recovery heat exchange device, 4, four-way valve, 5, air-cooled heat exchange
Device, 6, electric expansion valve, 7, check valve, 8, shell and tube exchanger, 9, First Heat Exchanger, the 10, second heat exchanger, the 11, the 3rd changes
Hot device, 12, heat exchanger triple valve.
Embodiment：
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.
As shown in 1-2 in figure, a kind of central air-conditioning energy-saving system, including a screw compressor 1, screw compressor 1
Gases at high pressure outlet be connected by pipeline with the pressurized gas inlet of a triple valve 2, triple valve 2 wherein one export pass through pipe
Road is connected with the import of heat recovery heat exchange device 3, and another outlet of triple valve 2 passes through pipeline and the gases at high pressure of a four-way valve 4
Entrance is connected；Also include an air-cooled heat exchanger 5, the pressurized gas inlet of air-cooled heat exchanger 5 passes through pipeline and four-way valve 4
Gases at high pressure outlet is connected, and the highly pressurised liquid outlet of air-cooled heat exchanger 5 by pipeline and is connected to heat recovery heat exchange device 3
The pipeline of highly pressurised liquid outlet is collected to the entrance of an electric expansion valve 6 together, is exported in the highly pressurised liquid of air-cooled heat exchanger 5
A check valve 7 towards electric expansion valve 6 is equipped with the highly pressurised liquid export pipeline of pipeline and heat recovery heat exchange device 3, electricity
The outlet of sub- expansion valve 6 is connected by pipeline with the entrance of shell and tube exchanger 8, and the outlet of shell and tube exchanger 8 passes through pipeline
It is connected with the low-pressure gas entrance of four-way valve 4, the low pressure. gas outlet of four-way valve 4 is low with screw compressor 1 by pipeline
Pressure gas access is connected.
The heat recovery heat exchange device includes First Heat Exchanger 9, the second heat exchanger 10 and the 3rd heat exchanger 11, the first heat exchange
The outlet of device 9 is connected with the entrance of the second heat exchanger 10, and the outlet of the second heat exchanger 10 is connected with the entrance of the 3rd heat exchanger 11,
The entrance of First Heat Exchanger 9 is connected to wherein one outlet of triple valve 2 by pipeline, and the outlet of the 3rd heat exchanger 11 passes through pipeline
It is connected to the entrance of electric expansion valve 6；Also include a heat exchanger triple valve 12, three mouths of heat exchanger triple valve 12 pass through respectively
The pipe between pipeline, the second heat exchanger 10 and the 3rd heat exchanger 11 between pipeline and the heat exchanger 10 of First Heat Exchanger 9 and second
The export pipeline of road and the 3rd heat exchanger 11 is connected.
While central air-conditioning is run, by heat recovery heat exchange device 3, enter water in heat recovery heat exchange device 3
Mouth is passed through cold water, you can obtains hot water from the delivery port of heat recovery heat exchange device 3, needs the place of hot water to use with supply.With
The rise and reduction of weather temperature, opening the power of air-conditioning can also vary, and when the power for opening air-conditioning is higher, produce
Substantial amounts of heat energy, needs can not be met by the single heat exchanger of routine, heat exchanger triple valve 12 is now closed, all are changed
Hot device all accesses, and realizes three heat exchangers while works, carry out the conversion of more subthermal energies, to reach making full use of for heat energy；
When the power that air-conditioning is opened is relatively low, it is necessary to which the abundant conversion of heat energy can be achieved in one or two heat exchangers, changed by opening
Hot device triple valve 12, the second heat exchanger 10 is subjected to short circuit or the second heat exchanger 10 and the 3rd heat exchanger 11 are subjected to short circuit,
Two only can be opened or a heat exchanger carries out heat exchange work.
Using central air-conditioning energy-saving system of the present utility model, the heat that condenser can be made full use of to discharge, heat
No longer it is directly discharged to by cooling fan in air, but carries out recycling, to need the place of hot water to provide heat
Water, avoid and thermal pollution is caused to surrounding environment, avoid the waste to heat energy.
Above-mentioned embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or conversion made to the utility model embodiment all fall within guarantor of the present utility model
In the range of shield.
Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (2)
- A kind of 1. central air-conditioning energy-saving system, it is characterised in that：Including a screw compressor, the high pressure gas of screw compressor Body outlet is connected by pipeline with the pressurized gas inlet of a triple valve, and wherein one outlet of triple valve passes through pipeline and recuperation of heat The import of heat-exchanger rig is connected, and another outlet of triple valve is connected by pipeline with the pressurized gas inlet of a four-way valve；Also wrap An air-cooled heat exchanger is included, the pressurized gas inlet of air-cooled heat exchanger exports phase by the gases at high pressure of pipeline and four-way valve Even, the highly pressurised liquid outlet of air-cooled heat exchanger passes through pipeline and the pipe for the highly pressurised liquid outlet for being connected to heat recovery heat exchange device Road is collected to the entrance of an electric expansion valve together, in the highly pressurised liquid export pipeline of air-cooled heat exchanger and recuperation of heat heat exchange dress A check valve towards electric expansion valve is equipped with the highly pressurised liquid export pipeline put, the outlet of electric expansion valve passes through pipeline It is connected with the entrance of shell and tube exchanger, the outlet of shell and tube exchanger passes through the low-pressure gas entrance phase of pipeline and four-way valve Even, the low pressure. gas outlet of four-way valve is connected by pipeline with the low-pressure gas entrance of screw compressor.
- A kind of 2. central air-conditioning energy-saving system according to claim 1, it is characterised in that：The heat recovery heat exchange device bag First Heat Exchanger, the second heat exchanger and the 3rd heat exchanger are included, the outlet of First Heat Exchanger is connected with the entrance of the second heat exchanger, the The outlet of two heat exchangers is connected with the entrance of the 3rd heat exchanger, and the entrance of First Heat Exchanger is connected to its of triple valve by pipeline In one outlet, the outlet of the 3rd heat exchanger is connected to the entrance of electric expansion valve by pipeline；Also include a heat exchanger triple valve, Three mouths of heat exchanger triple valve pass through the pipeline between pipeline and First Heat Exchanger and the second heat exchanger, the second heat exchanger respectively And the 3rd the export pipeline of the pipeline between heat exchanger and the 3rd heat exchanger be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760544.7U CN207006482U (en) | 2017-06-27 | 2017-06-27 | A kind of central air-conditioning energy-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760544.7U CN207006482U (en) | 2017-06-27 | 2017-06-27 | A kind of central air-conditioning energy-saving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207006482U true CN207006482U (en) | 2018-02-13 |
Family
ID=61448686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720760544.7U Active CN207006482U (en) | 2017-06-27 | 2017-06-27 | A kind of central air-conditioning energy-saving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207006482U (en) |
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2017
- 2017-06-27 CN CN201720760544.7U patent/CN207006482U/en active Active
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