CN208920648U - A kind of refrigeration system - Google Patents
A kind of refrigeration system Download PDFInfo
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- CN208920648U CN208920648U CN201821534900.4U CN201821534900U CN208920648U CN 208920648 U CN208920648 U CN 208920648U CN 201821534900 U CN201821534900 U CN 201821534900U CN 208920648 U CN208920648 U CN 208920648U
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to technical field of refrigeration equipment more particularly to a kind of refrigeration systems, including heat exchanger, condenser, capillary device, electric expansion valve, evaporator, compressor, triple valve and four-way valve；Four-way valve has the first D valve port, the first E valve port, S valve port and the first C valve port；Triple valve has the 2nd D valve port, the 2nd E valve port and the 2nd C valve port, and condenser, capillary device, electric expansion valve and evaporator are sequentially connected；Condenser is also connect with the first C valve port；Evaporator is also connect with the first E valve port；Capillary device is connected in parallel with the first check valve；The input port of compressor and delivery outlet are connect with S valve port and the 2nd D valve port respectively；The input port of heat exchanger and delivery outlet are connect with the 2nd E valve port and second one-way valve respectively；2nd C valve port is connected with first pipe, and the delivery outlet of second one-way valve is equipped with second pipe, and the other end of first pipe is connect with second pipe；Second pipe is connect with the first D valve port.
Description
Technical field
The utility model relates to technical field of refrigeration equipment more particularly to a kind of refrigeration systems.
Background technique
Refrigeration system is by refrigerant and four big parts, i.e. compressor, condenser, expansion valve, evaporator composition.Between them
It being sequentially connected with pipeline, forms a closed system, refrigerant constantly circulates in systems, generating state variation,
Heat is carried out with the external world to exchange.After liquid refrigerant absorbs cooled object heat in evaporator, it is low to be vaporized into low temperature
The steam of pressure, by compressor sucking, be compressed into after the steam of high pressure-temperature and be discharged into condenser, within the condenser to cooling medium
(water or air) heat release is condensed into highly pressurised liquid, is the refrigerant of low-pressure low-temperature through throttle valve throttling, is again introduced into evaporator suction
Hot vapour achievees the purpose that circularly cooling.In this way, refrigerant is basic through overcompression, condensation, throttling, evaporation four in systems
Process completes a refrigeration cycle.Heat pump trilogy supply unit is that one kind uses air as cold (heat) source, is provided the interior space
The air conditioner hot-water apparatus of the multiple functions such as heating, air-conditioning and domestic hot-water.
Air source heat pump trilogy supply is by inputting a small amount of high-grade energy (such as electric energy), and system is using water as carrier, summer
It absorbs heat in the refrigeration room Ji Shicong to reject heat in air by carrier, while carrier is cooled down, thus realization pair
Interior is cooled down, is dehumidified, the electric energy of the every consumption 1KW of the system, the cooling capacity of available 3.5KW.When winter heating system from
Heat is absorbed in air, interior is rejected heat to by carrier, meet the needs of indoor heating and heating.Flexibly dexterously turn
Change air-conditioning, hot water, heating are one of maximum characteristics of air energy trilogy supply.
Traditional heat recovery triple co-generation system, design has the capillary for throttling between electric expansion valve and condenser,
Due to big when cold medium flux demand of the system in refrigeration mode is than heating mode, capillary can be led in refrigeration mode
Refrigeration matchmaker is insufficient, to cause excessive discharge temperature and poor refrigerating efficiency.And heat exchanger lacks effective anti-coolant backflow
Structure, when system heating, coolant backflow returns heat exchanger, causes system unstable.
Therefore, it is urgent to provide a kind of refrigeration systems, so as to solve the deficiencies in the prior art.
Utility model content
The utility model aim is, for a kind of refrigeration system that the prior art is insufficient and provides.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows:
A kind of refrigeration system, including heat exchanger, condenser, capillary device, electric expansion valve, evaporator, compressor, three
Port valve and four-way valve；The four-way valve has the first D valve port, the first E valve port, S valve port and the first C valve port；The triple valve tool
There are the 2nd D valve port, the 2nd E valve port and the 2nd C valve port, the condenser, the capillary device, the electric expansion valve and institute
Evaporator is stated to be sequentially connected；The condenser is also connect with the first C valve port；The evaporator also with the first E valve port
Connection；The capillary device is connected in parallel with the first check valve；The input port of the compressor and delivery outlet respectively with the S
Valve port is connected with the 2nd D valve port；The input port of the heat exchanger and delivery outlet are single with the 2nd E valve port and second respectively
It is connected to valve；The 2nd C valve port is connected with first pipe, and the delivery outlet of the second one-way valve is equipped with second pipe, described
The other end of first pipe is connect with the second pipe；The second pipe is connect with the first D valve port.
More preferably, the capillary device includes filter, more capillaries and collecting pipe, the both ends point of the capillary
It is not connected to the filter and the collecting pipe.
More preferably, the length of the capillary is between 0.5m-1m.
More preferably, the internal diameter of the capillary is between 1mm-2.5mm.
The utility model has the following beneficial effects:
1, when the refrigeration system is freezed, refrigerant is direct by the first check valve and capillary device after condenser exports
Electric expansion valve is flowed to, cold medium flux is sufficient, and since the flow of refrigerant is sufficiently large, delivery temperature and refrigeration effect are all protected
Card；When refrigeration system heating, refrigerant is exported again after evaporator exports, by electric expansion valve to capillary device, cold
Matchmaker does not pass through the first check valve, plays throttling action；Therefore, the cold medium flux adjusting of the refrigeration system can satisfy refrigeration and system
Needs when hot；
2, when the refrigeration system is freezed, refrigerant successively passes through the 2nd D valve port, the 2nd C valve port, first after compressor exports
Pipeline and second pipe, second one-way valve prevent the refrigerant crossfire in second pipe to heat exchanger, ensure that the steady of system work
It is qualitative.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of refrigeration system of the utility model；
Fig. 2 is the structural schematic diagram of the capillary device in the utility model.
Specific embodiment
The utility model is further described below with reference to embodiment, this is the preferred embodiment of the utility model.
As shown in Figs. 1-2, a kind of refrigeration system, including heat exchanger 1, condenser 2, capillary device 3, electric expansion valve 4,
Evaporator 5, compressor 6, triple valve 7 and four-way valve 8；The four-way valve 8 has the first D valve port 81, the first E valve port 82, S valve port
83 and the first C valve port 84；The triple valve 7 has the 2nd D valve port 71, the 2nd E valve port 72 and the 2nd C valve port 73, the condensation
Device 2, the capillary device 3, the electric expansion valve 4 and the evaporator 5 are sequentially connected；The condenser 2 also with it is described
The connection of first C valve port 84；The evaporator 5 is also connect with the first E valve port 82；The capillary device 3 and first is unidirectional
Valve 9 is connected in parallel；The input port of the compressor 6 and delivery outlet connect with the S valve port 83 and the 2nd D valve port 71 respectively
It connects；The input port of the heat exchanger 1 and delivery outlet are connect with the 2nd E valve port 72 and second one-way valve 11 respectively；Described
Two C valve ports 73 are connected with first pipe 731, and the delivery outlet of the second one-way valve 11 is equipped with second pipe 111, first pipe
The other end in road 731 is connect with the second pipe 111；The second pipe 111 is connect with the first D valve port 81.
When the refrigeration system is freezed, refrigerant is exported after compressor 6 is compressed into the refrigerant steam of high pressure-temperature to the 2nd D
Valve port 71, then through the 2nd E valve port 72 by heat exchanger 1, high temperature refrigerant, with extraneous medium, medium is heated in heat exchanger 1.
High temperature refrigerant in heat exchanger 1 is exported by second pipe 111 to the first D valve port 81, and refrigerant is after the commutation of four-way valve 8 through the
One C valve port 84 is exported to condenser 2, and high temperature refrigerant is condensed into highly pressurised liquid in condenser 2, and highly pressurised liquid is unidirectional by first
Valve 9 and capillary device 3 flow directly into electric expansion valve 4, and cold medium flux is sufficient, since the flow of refrigerant is sufficiently large, exhaust temperature
Degree and refrigeration effect are all guaranteed.Highly pressurised liquid is through the refrigerant that the throttling of electric expansion valve 4 is low-pressure low-temperature and exports extremely
Evaporator 5, refrigerant absorb heat in evaporator 5 and are evaporated to cold media gas, achieve the effect that refrigeration.Cold media gas successively passes through again
First E valve port 82, S valve port 83 return to compressor 6, continue cycling through.
When the refrigeration system heats, refrigerant is exported after compressor 6 is compressed into the refrigerant steam of high pressure-temperature to the 2nd D
Then valve port 71 is exported through the 2nd C valve port 73 to first pipe 731, the refrigerant steam of first pipe 731 is again through second pipe
111 outputs to the first D valve port 81.Second one-way valve 11 prevents the refrigerant crossfire in second pipe 111 to heat exchanger 1, ensure that
The stability of system work.Refrigerant steam is exported from the first E valve port 82 to evaporator 5, and re-evaporation after the commutation of four-way valve 8
It exchanges heat in device 5 with extraneous medium, achievees the effect that heating.Refrigerant liquid in evaporator 5 passes sequentially through 4 He of electric expansion valve again
Capillary device 3, but do not pass through the first check valve 9.The refrigerant liquid of capillary device 3 exports condenser 2, and after-condenser 2
Middle heat absorption flashes to cold media gas, and cold media gas is exported to the first C valve port 84, returns to pressure from S valve port 83 after the commutation of four-way valve 8
Contracting machine 6, continues cycling through.
Referring to Fig. 2, the capillary device 3 includes filter 31, more capillaries 32 and collecting pipe 33, the capillary
The both ends of pipe 32 are connected to the filter 31 and the collecting pipe 33 respectively.Refrigerant liquid by filter 31 filtering after into
Enter capillary 32, prevent impurity from blocking capillary 32, the refrigerant liquid in capillary 32 is defeated again after summarizing using collecting pipe 33
Out.
By test, the length of the capillary 32 is between 0.5m-1m, and the internal diameter of the capillary 32 is in 1mm-
When between 2.5mm, the working effect of capillary 32 reach most preferably reduce 10% restriction loss, improve refrigeration system
Efficiency.
The utility model has the following beneficial effects:
1, when the refrigeration system is freezed, refrigerant is direct by the first check valve and capillary device after condenser exports
Electric expansion valve is flowed to, cold medium flux is sufficient, and since the flow of refrigerant is sufficiently large, delivery temperature and refrigeration effect are all protected
Card；When refrigeration system heating, refrigerant is exported again after evaporator exports, by electric expansion valve to capillary device, cold
Matchmaker does not pass through the first check valve, plays throttling action；Therefore, the cold medium flux adjusting of the refrigeration system can satisfy refrigeration and system
Needs when hot；
2, when the refrigeration system is freezed, refrigerant successively passes through the 2nd D valve port, the 2nd C valve port, first after compressor exports
Pipeline and second pipe, second one-way valve prevent the refrigerant crossfire in second pipe to heat exchanger, ensure that the steady of system work
It is qualitative.
The utility model is not limited to the above embodiment, it is all using structure similar with the utility model and its method come real
All modes of existing the utility model aim, both are within the protection scope of the present invention.
Claims (4)
1. a kind of refrigeration system, including heat exchanger, condenser, capillary device, electric expansion valve, evaporator, compressor, threeway
Valve and four-way valve；The four-way valve has the first D valve port, the first E valve port, S valve port and the first C valve port；The triple valve has
2nd D valve port, the 2nd E valve port and the 2nd C valve port, it is characterised in that: the condenser, the capillary device, the electronics
Expansion valve and the evaporator are sequentially connected；The condenser is also connect with the first C valve port；The evaporator also with it is described
The connection of first E valve port；The capillary device is connected in parallel with the first check valve；The input port of the compressor and delivery outlet point
It is not connect with the S valve port and the 2nd D valve port；The input port of the heat exchanger and delivery outlet respectively with the 2nd E valve
Mouth is connected with second one-way valve；The 2nd C valve port is connected with first pipe, and the delivery outlet of the second one-way valve is equipped with second
Pipeline, the other end of the first pipe are connect with the second pipe；The second pipe is connect with the first D valve port.
2. refrigeration system according to claim 1, it is characterised in that: the capillary device includes filter, Duo Genmao
Tubule and collecting pipe, the both ends of the capillary are connected to the filter and the collecting pipe respectively.
3. refrigeration system according to claim 2, it is characterised in that: the length of the capillary is between 0.5m-1m.
4. refrigeration system according to claim 2, it is characterised in that: the internal diameter of the capillary is between 1mm-2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534900.4U CN208920648U (en) | 2018-09-19 | 2018-09-19 | A kind of refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534900.4U CN208920648U (en) | 2018-09-19 | 2018-09-19 | A kind of refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208920648U true CN208920648U (en) | 2019-05-31 |
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ID=66706256
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821534900.4U Expired - Fee Related CN208920648U (en) | 2018-09-19 | 2018-09-19 | A kind of refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208920648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963723A (en) * | 2020-07-10 | 2020-11-20 | 盾安环境技术有限公司 | Valve body assembly and air conditioning equipment |
-
2018
- 2018-09-19 CN CN201821534900.4U patent/CN208920648U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963723A (en) * | 2020-07-10 | 2020-11-20 | 盾安环境技术有限公司 | Valve body assembly and air conditioning equipment |
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| GR01 | Patent grant | ||
| 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: 20190531 Termination date: 20190919 |