CN108131853A - A kind of refrigeration system - Google Patents
A kind of refrigeration system Download PDFInfo
- Publication number
- CN108131853A CN108131853A CN201810035649.5A CN201810035649A CN108131853A CN 108131853 A CN108131853 A CN 108131853A CN 201810035649 A CN201810035649 A CN 201810035649A CN 108131853 A CN108131853 A CN 108131853A
- Authority
- CN
- China
- Prior art keywords
- compressor
- refrigeration system
- pressurized part
- refrigerant
- throttling set
- 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.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 42
- 239000003507 refrigerant Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 210000005239 tubule Anatomy 0.000 claims 1
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/006—Cooling of compressor or motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention provides a kind of refrigeration system, refrigeration system includes：Compressor, condenser, throttling set and evaporator, compressor, condenser, throttling set and evaporator are in turn connected to form circulation loop, which is characterized in that refrigeration system further includes：The pressurized part being arranged between condenser and throttling set, pressurized part flows through the pressure of its refrigerant for improving, it is connected between pressurized part and compressor by pipeline, power supply and the motor that refrigerant flows through compressor by pipeline are cooled down with the power supply to compressor and motor.Technical scheme of the present invention overcomes existing refrigeration system liquid refrigerant flow under low-pressure ratio use condition to reduce, and the problem of cannot be cooled down to compressor.
Description
Technical field
The present invention relates to refrigeration technology fields, and in particular to a kind of refrigeration system.
Background technology
Refrigeration system of the prior art is flowed in the duct by the official post liquid refrigerant of condensing pressure and evaporating pressure
It is dynamic, however when ambient temperature is relatively low, i.e., under the use condition of low-pressure ratio, the difference drop of condensing pressure and evaporating pressure
It is low, it is easy to cause liquid refrigerant and is short of power, so that liquid refrigerant flow is too small, so as to reduce refrigerating capacity.
A kind of refrigeration system of computer room has been recorded in patent document CN105423413A, including：It is sequentially connected by pipeline
And compressor set, condenser, liquid pump and the evaporator group of closed cycle are formed, liquid pump can improve the pressure of refrigerant, can be with
Refrigerating capacity is made not reduce when ambient temperature is relatively low.Since compressor set can generate heat at work, need to compression
The power supply and motor of unit are cooled down, but the technical solution disclosed in patent document CN105423413A can not be compression
Unit cools down.Therefore it is existing that one kind liquid refrigerant flow under low-pressure ratio use condition is needed not reduce and can be to compressor
The refrigeration system cooled down.
Invention content
It is a primary object of the present invention to provide a kind of refrigeration system, to solve refrigeration system of the prior art in low pressure
The problem of reducing, and compressor cannot being cooled down than liquid refrigerant flow under use condition.
To achieve the above object, the present invention provides a kind of refrigeration system, including：Compressor, condenser, throttling set and
Evaporator, compressor, condenser, throttling set and evaporator are in turn connected to form circulation loop, and refrigeration system further includes：Setting
Pressurized part between condenser and throttling set, pressurized part flow through the pressure of its refrigerant, pressurized part for improving
It is connected between compressor by pipeline, refrigerant flows through power supply and the motor of compressor with the power supply to compressor by pipeline
It is cooled down with motor.
Further, refrigeration system further includes the switch valve being arranged in parallel with pressurized part, and refrigeration system has the first work
Make state and the second working condition, when refrigeration system is in the first working condition, switch valve is closed, and pressurized part is opened；Refrigeration
When system is in the second working condition, switch valve is opened, and pressurized part is closed.
Further, switch valve is check valve.
Further, pressurized part is liquid pump.
Further, liquid pump is oil-free liquid pump.
Further, compressor is magnetic suspension compressor.
Further, throttling set is throttle valve or capillary.
Technical solution of the present invention has the following advantages that：In practical refrigeration work, refrigerant flows in the counterclockwise direction,
Compressor absorbs the vapor refrigerant for carrying out the lower pressure in flash-pot, becomes higher pressure after the adiabatic compression of compressor
The steam of power；Condenser condenses the vapor refrigerant in compressor so that it is higher that vapor refrigerant becomes pressure
Liquid refrigerant；Pressurized part is to flow through its liquid refrigerant supercharging；When refrigerant flows through throttling set, become pressure
Relatively low liquid refrigerant；When liquid refrigerant flows through evaporator, evaporator vaporizes refrigerant, so as to reduce temperature,
The refrigerant of low-temp low-pressure flows to compressor again, so recycles, and realizes refrigerating function.Setting pressurized part can improve liquid system
The pressure of cryogen, so as to ensure that refrigerating capacity is not reduced, and in pressurized part and compression under the use condition of low-pressure ratio
Set pipeline that can make to flow to compressor by condensed liquid refrigerant between machine, so as to fulfill the power supply for compressor and
The function of motor cooling.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.In the accompanying drawings：
Fig. 1 shows the operation principle schematic diagram of the embodiment one of refrigeration system according to the present invention；
Fig. 2 shows the operation principle schematic diagrams of the embodiment two of refrigeration system according to the present invention.
Wherein, the reference numeral in above-mentioned attached drawing is：
10th, compressor；20th, condenser；30th, throttling set；40th, evaporator；50th, pressurized part；60th, switch valve；70th, it manages
Road.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
A kind of refrigeration system as shown in Figure 1, including：Compressor 10, condenser 20, throttling set 30 and evaporator 40,
Compressor 10, condenser 20, throttling set 30 and evaporator 40 are in turn connected to form circulation loop, and refrigeration system further includes：If
The pressurized part 50 between condenser 20 and throttling set 30 is put, pressurized part 50 flows through the pressure of its refrigerant for improving
Power is connected between pressurized part 50 and compressor 10 by pipeline 70, and refrigerant flows through the power supply of compressor 10 by pipeline 70
It is cooled down with motor with the power supply to compressor 10 and motor.
In practical refrigeration work, refrigerant is flowed along counter clockwise direction shown in FIG. 1, and compressor 10, which absorbs, carrys out spontaneous evaporation
The vapor refrigerant of lower pressure in device 40 becomes the steam of elevated pressures after the adiabatic compression of compressor 10；Condensation
Device 20 condenses the vapor refrigerant in compressor 10 so that vapor refrigerant becomes the higher liquid refrigerating of pressure
Agent；Pressurized part 50 is to flow through its liquid refrigerant supercharging；When refrigerant flows through throttling set 30, it is relatively low to become pressure
Liquid refrigerant；When liquid refrigerant flows through evaporator 40, evaporator 40 vaporizes refrigerant, low so as to reduce temperature
The refrigerant of warm low pressure flows to compressor 10 again, so recycles, and realizes refrigerating function.Setting pressurized part 50 can improve liquid
The pressure of refrigerant, so as to ensure that refrigerating capacity is not reduced under the use condition of low-pressure ratio, and in 50 He of pressurized part
Set pipeline 70 that can make to flow to compressor 10 by condensed liquid refrigerant between compressor 10, so as to fulfill to compress
The function of power supply and the motor cooling of machine 10.
Specifically, pressurized part 50 is liquid pump.Liquid pump can improve the pressure of refrigerant, and easy to use.
Specifically, liquid pump is oil-free liquid pump.Oil-free liquid pump does not need to lubricating oil can operation.
Specifically, compressor 10 is magnetic suspension compressor.Magnetic suspension compressor is to carrying out the low-temp low-pressure gas of flash-pot 40
Body is compressed, and then is changed into high temperature and high pressure gas, and magnetic suspension compressor does not need to lubricating oil and lubricating system.
Specifically, throttling set 30 is throttle valve or capillary.Throttling set 30 can make refrigerant by reducing flow
Pressure reduce.
Embodiment two
Refrigeration system as shown in Figure 2 further includes the switch valve 60 being arranged in parallel with pressurized part 50, and refrigeration system has
First working condition and the second working condition, when refrigeration system is in the first working condition, switch valve 60 is closed, pressurized part 50
It opens；When refrigeration system is in the second working condition, switch valve 60 is opened, and pressurized part 50 is closed.When ambient temperature compared with
When low, i.e., under the use condition of low-pressure ratio, refrigeration system is in the first working condition, and pressurized part 50 is so that refrigerant pressure
Raising, can not only maintain refrigerating capacity, but also can be continuously compressor 10 and provide condensed refrigerant, to compressor 10
Power supply and motor cooling；When ambient temperature is higher, i.e., under the use condition of high pressure ratio, refrigeration system is in the second work
Make state, only turning on the switch valve 60 can be so that refrigerant flows through evaporator 40 with appropriate pressure, and can be compressor 10
Motor and power supply cooling.
Specifically, switch valve 60 is check valve.Check valve causes refrigerant that can only flow in one direction, avoids flowing back.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (7)
1. a kind of refrigeration system, including：Compressor (10), condenser (20), throttling set (30) and evaporator (40), the pressure
Contracting machine (10), the condenser (20), the throttling set (30) and the evaporator (40) are in turn connected to form circulation loop,
It is characterized in that, the refrigeration system further includes：The increasing being arranged between the condenser (20) and the throttling set (30)
Splenium part (50), the pressurized part (50) flow through the pressure of its refrigerant for improving, the pressurized part (50) and described
It is connected between compressor (10) by pipeline (70), the refrigerant flows through the compressor (10) by the pipeline (70)
Power supply and motor are cooled down with the power supply to the compressor (10) and motor.
2. a kind of refrigeration system according to claim 1, which is characterized in that the refrigeration system further includes and the supercharging
The switch valve (60) that component (50) is arranged in parallel, the refrigeration system has the first working condition and the second working condition, described
When refrigeration system is in first working condition, the switch valve (60) is closed, and the pressurized part (50) is opened；The system
When cooling system is in second working condition, the switch valve (60) is opened, and the pressurized part (50) is closed.
3. a kind of refrigeration system according to claim 2, which is characterized in that the switch valve (60) is check valve.
4. a kind of refrigeration system according to claim 1, which is characterized in that the pressurized part (50) is liquid pump.
5. a kind of refrigeration system according to claim 4, which is characterized in that the liquid pump is oil-free liquid pump.
6. a kind of refrigeration system according to claim 1, which is characterized in that the compressor (10) is magnetic suspension compressor
(10)。
7. a kind of refrigeration system according to claim 1, which is characterized in that the throttling set (30) is throttle valve or hair
Tubule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035649.5A CN108131853A (en) | 2018-01-15 | 2018-01-15 | A kind of refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035649.5A CN108131853A (en) | 2018-01-15 | 2018-01-15 | A kind of refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131853A true CN108131853A (en) | 2018-06-08 |
Family
ID=62400528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810035649.5A Pending CN108131853A (en) | 2018-01-15 | 2018-01-15 | A kind of refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131853A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336700A (en) * | 2020-03-04 | 2020-06-26 | 宁夏万仕隆冷冻科技股份有限公司 | Freon R507a twice throttling refrigeration system |
| CN112212531A (en) * | 2020-08-31 | 2021-01-12 | 青岛海尔空调电子有限公司 | Compressor cooling system and cooling method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277880A (en) * | 2013-05-13 | 2013-09-04 | 艾默生网络能源有限公司 | Refrigeration control method, device and system of machine room |
| CN105890210A (en) * | 2016-06-01 | 2016-08-24 | 珠海格力电器股份有限公司 | High temperature air conditioning unit |
| CN205561324U (en) * | 2016-01-28 | 2016-09-07 | 苏州必信空调有限公司 | Refrigerating system |
| CN207936533U (en) * | 2018-01-15 | 2018-10-02 | 苏州必信空调有限公司 | a kind of refrigeration system |
-
2018
- 2018-01-15 CN CN201810035649.5A patent/CN108131853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277880A (en) * | 2013-05-13 | 2013-09-04 | 艾默生网络能源有限公司 | Refrigeration control method, device and system of machine room |
| CN205561324U (en) * | 2016-01-28 | 2016-09-07 | 苏州必信空调有限公司 | Refrigerating system |
| CN105890210A (en) * | 2016-06-01 | 2016-08-24 | 珠海格力电器股份有限公司 | High temperature air conditioning unit |
| CN207936533U (en) * | 2018-01-15 | 2018-10-02 | 苏州必信空调有限公司 | a kind of refrigeration system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336700A (en) * | 2020-03-04 | 2020-06-26 | 宁夏万仕隆冷冻科技股份有限公司 | Freon R507a twice throttling refrigeration system |
| CN112212531A (en) * | 2020-08-31 | 2021-01-12 | 青岛海尔空调电子有限公司 | Compressor cooling system and cooling method |
| CN112212531B (en) * | 2020-08-31 | 2023-06-16 | 青岛海尔空调电子有限公司 | Compressor cooling system and cooling method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215000 No.158 Jinshajiang Road, high tech Zone, Suzhou City, Jiangsu Province Applicant after: Bixin energy technology (Suzhou) Co.,Ltd. Address before: 215002 plant 11, No. 158, Jinshajiang Road, high tech Zone, Suzhou, Jiangsu Province Applicant before: SUZHOU BSE AIR CONDITIONER Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180608 |
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| WD01 | Invention patent application deemed withdrawn after publication |