CN106895532A - A kind of negative pressure higher boiling working medium refrigeration system - Google Patents
A kind of negative pressure higher boiling working medium refrigeration system Download PDFInfo
- Publication number
- CN106895532A CN106895532A CN201710293720.5A CN201710293720A CN106895532A CN 106895532 A CN106895532 A CN 106895532A CN 201710293720 A CN201710293720 A CN 201710293720A CN 106895532 A CN106895532 A CN 106895532A
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- China
- Prior art keywords
- fluid chamber
- working fluid
- negative pressure
- refrigeration system
- working medium
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 36
- 238000009835 boiling Methods 0.000 title claims abstract description 35
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 230000008520 organization Effects 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009834 vaporization Methods 0.000 description 6
- 230000008016 vaporization Effects 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
Abstract
The invention discloses a kind of negative pressure higher boiling working medium refrigeration system, including left working fluid chamber, right working fluid chamber, steam channel, return duct, evaporator and condenser, the left working fluid chamber is connected with right working fluid chamber by return duct, and store liquid higher boiling working medium in left working fluid chamber and right working fluid chamber, left working fluid chamber is connected by evaporator with the left end of steam channel, right working fluid chamber is connected by condenser with the right-hand member of steam channel, and left working fluid chamber, right working fluid chamber, steam channel, return duct, connection between evaporator and condenser is and is tightly connected, so that whole refrigeration system forms sealing structure, it is negative pressure state in refrigeration system, high speed fan is provided with by fan Fixture in steam channel, the beneficial effects of the invention are as follows：Heat exchange is carried out as cooling working medium using the high boiling liquid under negative pressure state, its refrigerating efficiency is higher, and energy consumption is low.
Description
Technical field
The present invention relates to a kind of refrigeration system, specifically a kind of negative pressure higher boiling working medium refrigeration system.
Background technology
Current refrigeration system uses low boiling working fluid mostly, such as freon, with compressor low pressure, high pressure condensation cycle.
Zhu Liming exists《Query the second law of thermodynamics》One the article pointed out, kind of refrigeration cycle preferably uses the big working medium of △ Th（△Th=h/Cv）,
（The body heats such as △ Th --- heat of vaporization equivalent temperature difference, h --- heat of vaporization, Cv --- are held）.And the △ of water and some higher boiling working medium
Compared with the △ Th several times high of the refrigerant for often using at present, by steam cycle efficiency formula, its refrigerating efficiency also wants several times high to Th,
So as to substantially reduce energy consumption, therefore it is necessary to develop a kind of cooling system of use higher boiling working medium.
The content of the invention
It is an object of the invention to provide a kind of negative pressure higher boiling working medium refrigeration system, to solve to be carried in above-mentioned background technology
The problem for going out.
To achieve the above object, the present invention provides following technical scheme：
A kind of negative pressure higher boiling working medium refrigeration system, including left working fluid chamber, right working fluid chamber, steam channel, return duct, evaporator and
Condenser, the left working fluid chamber is connected with right working fluid chamber by return duct, and stores liquid in left working fluid chamber and right working fluid chamber
State higher boiling working medium, left working fluid chamber is connected by evaporator with the left end of steam channel, and right working fluid chamber passes through condenser and steam
The right-hand member connection of passage, and left working fluid chamber, right working fluid chamber, the connection between steam channel, return duct, evaporator and condenser are equal
To be tightly connected so that it is negative pressure state that whole refrigeration system is formed in sealing structure, refrigeration system, and wind is passed through in steam channel
Fan fixed mount is provided with high speed fan.
As further scheme of the invention：The size of negative pressure working medium corresponding with environment temperature in the refrigeration system
Saturated vapour pressure is equal.
As further scheme of the invention：Pressure reducer is also equipped with the return duct.
As further scheme of the invention：The side of the condenser and evaporator is mounted on for condenser
The radiator fan radiated with evaporator, radiator fan and high speed fan are connected with external power source and controlling organization.
As further scheme of the invention：The rotating speed of the high speed fan is more than 8000 ~ 30000 revs/min.
A kind of negative pressure higher boiling working medium refrigeration system, also including the micro vacuum for keeping negative pressure state in refrigeration system
Pump, minipump is connected by pipeline with steam channel, and check valve is additionally provided with pipeline.
As further scheme of the invention：The higher boiling working medium is water.
Compared with prior art, the beneficial effects of the invention are as follows：High boiling liquid under by the use of negative pressure state is used as cooling
Working medium carries out heat exchange, and its refrigerating efficiency is higher, and energy consumption is low.
Brief description of the drawings
Fig. 1 is a kind of front view of negative pressure higher boiling working medium refrigeration system.
Fig. 2 is a kind of top view of negative pressure higher boiling working medium refrigeration system.
In figure：The left working fluid chambers of 1-, the right working fluid chambers of 2-, 3- steam channels, 4- return ducts, 5- pressure reducers, 6- evaporators, 7- are cold
Condenser, 8- radiator fans, 9- high speed fans, 10- fan Fixtures.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~2 are referred to, in the embodiment of the present invention, a kind of negative pressure higher boiling working medium refrigeration system, including left working fluid chamber 1,
Right working fluid chamber 2, steam channel 3, return duct 4, evaporator 6 and condenser 7, the left working fluid chamber 1 and right working fluid chamber 2 are by backflow
Pipe 4 is connected, and liquid higher boiling working medium is stored in left working fluid chamber 1 and right working fluid chamber 2, and left working fluid chamber 1 passes through the He of evaporator 6
The left end connection of steam channel 3, right working fluid chamber 2 is connected by condenser 7 with the right-hand member of steam channel 3, and left working fluid chamber 1, the right side
Connection between working fluid chamber 2, steam channel 3, return duct 4, evaporator 6 and condenser 7 is and is tightly connected so that whole refrigeration
It is negative pressure state that system is formed in sealing structure, and refrigeration system, is provided with a high speed by fan Fixture 10 in steam channel 3
Fan 9, during work, it is assumed that liquid higher boiling working medium is water, high speed fan 9 is moved, and internal steam is blowed into condenser 7 one
Side so that low-pressure state is produced in steam channel 3, the liquid boiling water in evaporator 6 when saturated vapor pressure of the pressure less than water
Vaporization, and amount of heat is absorbed, water vapour is extracted into condenser 7 and produces a relatively small pressure difference through high speed fan 9, makes steaming
Gas is condensed into liquid in condenser 7, and condensation process is released a large amount of heats of vaporization, takes away aqueous water by radiator fan forced convertion and exist
Condenser bottom is collected, and is entered into the left working fluid chamber 1 and right working fluid chamber 2 of connection by return duct 4, and continues to evaporator 6
Place's supplement, reboiling vaporization, completes circulation.
The saturated vapour pressure of the size of negative pressure working medium corresponding with environment temperature is equal in the refrigeration system.
Pressure reducer 5 is also equipped with the return duct 4, for being depressured to liquid higher boiling working medium.
The position of the evaporator 6 is higher than condenser 7, due to the pressure difference very little of the high speed fan 9 that the system is used, can be with
Realized by alternate position spike, therefore decompression can also be realized higher than the alternate position spike of condenser 7 using the position of evaporator 6, it is not necessary to volume
Outer supercharging pressure reducer.
The side of the condenser 7 and evaporator 6 is mounted on for being radiated to condenser 7 and evaporator 6
Radiator fan 8, radiator fan 8 and high speed fan 9 are connected with external power source and controlling organization.
The rotating speed of the high speed fan 9 is more than 8000 ~ 30000 revs/min.
A kind of negative pressure higher boiling working medium refrigeration system, also including the micro vacuum for keeping negative pressure state in refrigeration system
Pump, minipump is connected by pipeline with steam channel 3, and check valve is additionally provided with pipeline, in whole closed system, negative pressure
System is and the leaked-in air to internal leakage, will substantially reduce system effectiveness, to keep enough negative pressure, it is contemplated that set one
Individual minipump.
The higher boiling working medium is water.
The refrigerating efficiency of the technical program is calculated as follows：
Using water as the liquid higher boiling working medium of the technical program, it is assumed that outdoor temperature is 35 DEG C, indoor temperature is 25 DEG C, then room
Internal-external temperature difference △ T are 10 DEG C；The △ Th=1591k of water at 15 DEG C（Heat of vaporization h=44.23KJ/mol, c is held etc. body heatv=27.8J/
mol·k）, theoretical efficiency==159, quote source《Query the second law of thermodynamics》, in practice, the evaporator of the system and
Condenser respectively has 10 DEG C of a heat transfer temperature loss, △ T=30 DEG C, if electric efficiency 90%, fan mechanical efficiency 50%, due to big logical
Road is designed, and windage droop loss is smaller, is added residual gas and is wasted and waits comprehensive loss 10%, and actual efficiency is=×0.9×
0.5×（1-0.1）=21.5, quote source《Query the second law of thermodynamics》, and country-level energy consumption air-conditioning, refrigerating efficiency is 3.5
~ 3.7, differ huge, energy-saving effect significantly, even if increasing heat transfer temperature difference, makes △ T=40 DEG C refrigerating efficiencies still have 16.1, in addition state
Family's one-level energy consumption air-conditioner efficiency is 3.5 ~ 3.7, and the data come from various brands one-level energy consumption air-conditioning parameter；Electric efficiency, fan machine
Tool efficiency and loss factor are estimate, and such as electric efficiency is 95 ~ 98% in some books, and this place is 90%, and actual parameter should
Should be defined by measured value.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (8)
1. a kind of negative pressure higher boiling working medium refrigeration system, it is characterised in that including left working fluid chamber, right working fluid chamber, steam channel, return
Flow tube, evaporator and condenser, the left working fluid chamber are connected with right working fluid chamber by return duct, and left working fluid chamber and right working fluid chamber
Liquid higher boiling working medium is inside stored, left working fluid chamber is connected by evaporator with the left end of steam channel, and right working fluid chamber passes through
Condenser is connected with the right-hand member of steam channel, and left working fluid chamber, right working fluid chamber, steam channel, return duct, evaporator and condenser
Between connection be and be tightly connected so that it is negative pressure state, steam that whole refrigeration system is formed in sealing structure, refrigeration system
High speed fan is provided with by fan Fixture in passage.
2. a kind of negative pressure higher boiling working medium refrigeration system according to claim 1, it is characterised in that in the refrigeration system
The saturated vapour pressure of the size of negative pressure working medium corresponding with environment temperature is equal.
3. a kind of negative pressure higher boiling working medium refrigeration system according to claim 1, it is characterised in that on the return duct also
Pressure reducer is installed.
4. a kind of negative pressure higher boiling working medium refrigeration system according to claim 1, it is characterised in that the position of the evaporator
Put higher than condenser.
5. a kind of negative pressure higher boiling working medium refrigeration system according to claim 1, it is characterised in that the condenser and steaming
The side of hair device is mounted on the radiator fan for being radiated to condenser and evaporator, and radiator fan and high speed fan are equal
It is connected with external power source and controlling organization.
6. a kind of negative pressure higher boiling working medium refrigeration system according to claim 1, it is characterised in that the high speed fan
Rotating speed is more than 8000 ~ 30000 revs/min.
7. according to a kind of any described negative pressure higher boiling working medium refrigeration systems of claim 1-6, it is characterised in that also including use
In the minipump for keeping negative pressure state in refrigeration system, minipump is connected by pipeline with steam channel, on pipeline
It is additionally provided with check valve.
8. a kind of negative pressure higher boiling working medium refrigeration system according to claim 7, it is characterised in that the higher boiling working medium
It is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710293720.5A CN106895532A (en) | 2017-04-28 | 2017-04-28 | A kind of negative pressure higher boiling working medium refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710293720.5A CN106895532A (en) | 2017-04-28 | 2017-04-28 | A kind of negative pressure higher boiling working medium refrigeration system |
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| Publication Number | Publication Date |
|---|---|
| CN106895532A true CN106895532A (en) | 2017-06-27 |
Family
ID=59197140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710293720.5A Pending CN106895532A (en) | 2017-04-28 | 2017-04-28 | A kind of negative pressure higher boiling working medium refrigeration system |
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| Country | Link |
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| CN (1) | CN106895532A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489160A (en) * | 2018-11-14 | 2019-03-19 | 西安工程大学 | A kind of water evaporation for cooling system |
| CN110411061A (en) * | 2019-06-28 | 2019-11-05 | 安徽康佳同创电器有限公司 | A kind of device and its implementation of no refrigeration compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08152207A (en) * | 1994-11-29 | 1996-06-11 | Sanyo Electric Co Ltd | Air conditioner |
| CN1804507A (en) * | 2006-01-20 | 2006-07-19 | 天津商学院 | Water-cooling inside superposed refrigerating system |
| CN1896501A (en) * | 2005-07-12 | 2007-01-17 | 孟英志 | Energy conversion and converter, power generation and generator |
| JP2008215653A (en) * | 2007-02-28 | 2008-09-18 | Sasakura Engineering Co Ltd | Air conditioning system |
| CN101900452A (en) * | 2010-07-23 | 2010-12-01 | 深圳大学 | Vehicle-mounted refrigerating system driven by waste heat and using pure water as working medium |
| CN203908102U (en) * | 2014-04-10 | 2014-10-29 | 西北工业大学 | Novel refrigeration equipment |
| CN204084856U (en) * | 2014-09-10 | 2015-01-07 | 深圳市派沃新能源科技有限公司 | A kind of two warm heat pump hot-water system |
-
2017
- 2017-04-28 CN CN201710293720.5A patent/CN106895532A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08152207A (en) * | 1994-11-29 | 1996-06-11 | Sanyo Electric Co Ltd | Air conditioner |
| CN1174315A (en) * | 1994-11-29 | 1998-02-25 | 三洋电机株式会社 | Refrigerating cycle |
| CN1896501A (en) * | 2005-07-12 | 2007-01-17 | 孟英志 | Energy conversion and converter, power generation and generator |
| CN1804507A (en) * | 2006-01-20 | 2006-07-19 | 天津商学院 | Water-cooling inside superposed refrigerating system |
| JP2008215653A (en) * | 2007-02-28 | 2008-09-18 | Sasakura Engineering Co Ltd | Air conditioning system |
| CN101900452A (en) * | 2010-07-23 | 2010-12-01 | 深圳大学 | Vehicle-mounted refrigerating system driven by waste heat and using pure water as working medium |
| CN203908102U (en) * | 2014-04-10 | 2014-10-29 | 西北工业大学 | Novel refrigeration equipment |
| CN204084856U (en) * | 2014-09-10 | 2015-01-07 | 深圳市派沃新能源科技有限公司 | A kind of two warm heat pump hot-water system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489160A (en) * | 2018-11-14 | 2019-03-19 | 西安工程大学 | A kind of water evaporation for cooling system |
| CN109489160B (en) * | 2018-11-14 | 2020-12-08 | 阿姆斯壮(西安)智能流体技术有限公司 | Water evaporation refrigerating system |
| CN110411061A (en) * | 2019-06-28 | 2019-11-05 | 安徽康佳同创电器有限公司 | A kind of device and its implementation of no refrigeration compressor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
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| RJ01 | Rejection of invention patent application after publication |