CN107352045A - A kind of air-flow heat exchange thermocycling system - Google Patents
A kind of air-flow heat exchange thermocycling system Download PDFInfo
- Publication number
- CN107352045A CN107352045A CN201710654171.XA CN201710654171A CN107352045A CN 107352045 A CN107352045 A CN 107352045A CN 201710654171 A CN201710654171 A CN 201710654171A CN 107352045 A CN107352045 A CN 107352045A
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- China
- Prior art keywords
- air
- low temperature
- heat exchange
- temperature
- flow heat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
Abstract
The present invention relates to a kind of air-flow heat exchange thermocycling system, belong to aerospace field relevant device indispensability detecting system field, it includes supplying branch road and circulation loop, the supply branch route supporting cryogenic pipe and is sequentially connected in series low temperature storing tank, Subzero valve, low temperature shower nozzle, low temperature shower nozzle is connected in the air channel pipeline of the circulation loop hypomere, to be communicated to the access port of enclosure one；The circulation loop epimere is sequentially connected air door, blower fan, electric heater from low temperature shower nozzle access by supporting air channel pipeline, to be communicated to another access port of enclosure；Storage cryogenic liquid gas wherein in low temperature storing tank.The present invention is simple in construction, reasonable in design, can meet to test demand under heating, cooling, insulation various working by air-flow heat exchange.
Description
Technical field
The present invention relates to a kind of air-flow heat exchange thermocycling system, belongs to the indispensable inspection of aerospace field relevant device
Examining system field.
Background technology
Air-flow heat exchange thermocycling system is aerospace field relevant device indispensability detecting system, for for subject
Equipment provides a kind of high temperature, low temperature, varying temperature environment, to detect working condition of the tested device under above-mentioned environment.Prior art
In air-flow heat exchange thermocycling system operatio it is complicated, efficiency is low, can not meet the needs of testing under various working.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to overcome the disadvantages mentioned above and deficiency of prior art, there is provided a kind of air-flow heat exchange high/low temperature
Pilot system, its is simple in construction, reasonable in design, can meet to try under heating, cooling, insulation various working by air-flow heat exchange
Test demand.
(2) technical scheme
A kind of air-flow heat exchange thermocycling system of the present invention, including supply branch road and circulation loop, its feature exist
In：The supply branch route supporting cryogenic pipe and is sequentially connected in series low temperature storing tank, Subzero valve, low temperature shower nozzle, low temperature shower nozzle
It is connected in the air channel pipeline of the circulation loop hypomere, to be communicated to the access port of enclosure one；The circulation loop epimere is certainly
Air door, blower fan, electric heater are sequentially connected by supporting air channel pipeline at low temperature shower nozzle access, it is another to be communicated to enclosure
Access port；Storage cryogenic liquid gas wherein in low temperature storing tank.
Further, during on-test, blower fan is run first, and according to the requirement of tested device, give air door certain aperture.
Further, it is low in low temperature storing tank when the pilot system is in temperature-fall period or low temperature hold mode
Warm liquid gas is by Subzero valve, and by the atomization of low temperature shower nozzle and rapid vaporization with the air-flow in circulation air path pipeline to mix,
Aperture by adjusting Subzero valve realizes the regulation of down power, and now electric heater heating function is closed.
Further, at the end of temperature-fall period or low temperature hold mode, Subzero valve is first shut off, cuts off low-temperature energy sources,
Fan operation is kept to close afterwards for a period of time, to ensure after blower fan stops, the circulating current temperature in the pipeline of air channel is relatively equal
It is even.
Further, when the pilot system is in temperature-rise period or high temperature hold mode, the gas circulation in the pipeline of air channel
Stream realizes that air-flow heats by electric heater, and the power by adjusting electric heater realizes the regulation of heating power, now low temperature
Valve is closed.
Further, at the end of temperature-rise period or high temperature hold mode, electric heater is first shut off, cuts off the high temperature energy,
Fan operation is kept to close afterwards for a period of time, to ensure after blower fan stops, the circulating current temperature in the pipeline of air channel is relatively equal
It is even.
Further, the pilot system can in any combination heating, cooling, insulation operating mode.
(3) beneficial effect
The present invention is using cryogenic liquid gas as low-temperature receiver, and refrigeration work consumption is flexible, and cooling lag time is short, while conveniently reaches
To relatively low temperature, the achievable temperature span of system is big, efficiency high.The present invention the pilot system in, low temperature environment by
Cryogenic liquid gas vaporization is absorbed heat to realize, hot environment is realized by electric heater, and two kinds of experimental enviroments rely on blower fan band
Stream heat exchange of taking offence is realized.The present invention can control the flow of cryogenic liquid gas by Subzero valve, and then control refrigeration work(
Rate, the heating power of electric heater can be controlled by the regulation of electrical power, the aperture of air door can control the speed of circulating current
Degree, adjustable according to operating condition of test temperature variable Rate, circulating current wind speed is adjustable.The present invention is simple in construction, reasonable in design, can pass through
The heating, cooling of air-flow heat exchange any combination, insulation various working.
Brief description of the drawings
A kind of air-flow heat exchange thermocycling system construction drawing of Fig. 1 present invention.
In figure:1- low temperature storing tanks, 2- Subzero valves, 3- low temperature shower nozzle, 4- air doors, 5- blower fans, 6- electric heaters, 7- low temperature
Pipeline, 8- air channels pipeline, 9- enclosures.
Embodiment
Reference picture 1：
A kind of air-flow heat exchange thermocycling system of the present invention, including supply branch road and circulation loop, the supply
Branch route supporting cryogenic pipe 7 and is sequentially connected in series low temperature storing tank 1, Subzero valve 2, low temperature shower nozzle 3, and low temperature shower nozzle 3 is connected to
In the air channel pipeline 8 of the circulation loop hypomere, to be communicated to the access port of enclosure 9 one；The circulation loop epimere is from low temperature
Air door 4, blower fan 5, electric heater 6 are sequentially connected by supporting air channel pipeline 8 at the access of shower nozzle 3, it is another to be communicated to enclosure 9
One access port；Storage cryogenic liquid gas wherein in low temperature storing tank.
In the supply branch road, low temperature storing tank 1 is used to store cryogenic liquid gas；Subzero valve 2 is used to adjust Low Temperature Liquid
The flow of state gas, so as to realize the regulation of refrigeration work consumption；Low temperature shower nozzle 3 is used for atomization low-temperature liquid gas, low so as to accelerate
Warm liquid gas and the heat exchange of gas in air channel pipeline 8, accelerate gas temperature in uniform air channel pipeline 8.
In the circulation loop, air door 4 is used for the speed for adjusting the interior air-flow of air channel pipeline 8, to adapt to different experiment works
Condition；Blower fan 5 is used for the airflow circulating for forming air channel pipeline 8 and enclosure 9, and during experiment, tested device generally is positioned over into closing
In cabin 9, enclosure 9 generally has differences because of the difference of tested device；The gas that electric heater 6 is used in heating air duct pipeline 8
Body.
During on-test, blower fan 5 is run first, and according to the requirement of tested device, give air door 4 certain aperture, aperture is got over
Systemic circulation gas velocity is faster, but generally to consider the factors such as the wind speed tolerance of tested device.
When the pilot system is in temperature-fall period or low temperature hold mode, the low temperature liquid gas in low temperature storing tank 1
Body is atomized by low temperature shower nozzle 3 by Subzero valve 2 and rapid vaporization with the air-flow in circulation air path pipeline 8 to mix, pass through tune
The aperture of section Subzero valve 2 realizes the regulation of down power, and now the heating function of electric heater 6 is closed.Temperature-fall period or low temperature
At the end of hold mode, Subzero valve 2 is first shut off, cuts off low-temperature energy sources, keeps blower fan 5 to be closed after running a period of time, with
Ensure after blower fan 5 stops, the circulating current temperature in air channel pipeline 8 is relatively uniform.
When the pilot system is in temperature-rise period or high temperature hold mode, the gas recycle stream in air channel pipeline 8 passes through electricity
Heater 6 realizes that air-flow heats, and the power by adjusting electric heater 6 realizes the regulation of heating power, and now Subzero valve 2 closes
Close；At the end of temperature-rise period or high temperature hold mode, electric heater 6 is first shut off, cuts off the high temperature energy, keeps blower fan 5 to run
Closed after a period of time, to ensure after blower fan 5 stops, the circulating current temperature in air channel pipeline 8 is relatively uniform.
The pilot system can in any combination heating, cooling, insulation operating mode.
Claims (7)
1. a kind of air-flow heat exchange thermocycling system, including supply branch road and circulation loop, it is characterised in that：The supply
Branch route supporting cryogenic pipe and is sequentially connected in series low temperature storing tank, Subzero valve, low temperature shower nozzle, and low temperature shower nozzle is connected to described follow
In the air channel pipeline of loop back path hypomere, to be communicated to the access port of enclosure one；The circulation loop epimere accesses from low temperature shower nozzle
Place is sequentially connected air door, blower fan, electric heater by supporting air channel pipeline, to be communicated to another access port of enclosure；Wherein
Storage cryogenic liquid gas in low temperature storing tank.
A kind of 2. air-flow heat exchange thermocycling system as claimed in claim 1, it is characterised in that：It is first during on-test
Blower fan is first run, and according to the requirement of tested device, gives air door certain aperture.
A kind of 3. air-flow heat exchange thermocycling system as claimed in claim 2, it is characterised in that：At the pilot system
When temperature-fall period or low temperature hold mode, the cryogenic liquid gas in low temperature storing tank is by Subzero valve, by low-temp. spraying
Simultaneously for rapid vaporization to be mixed with the air-flow in circulation air path pipeline, the aperture by adjusting Subzero valve realizes cooling work(for head atomization
The regulation of rate, now electric heater heating function closing.
A kind of 4. air-flow heat exchange thermocycling system as claimed in claim 3, it is characterised in that：Temperature-fall period or low temperature
At the end of hold mode, Subzero valve is first shut off, cuts off low-temperature energy sources, keeps fan operation to close afterwards for a period of time, with true
Protect after blower fan stopping, the circulating current temperature in the pipeline of air channel is relatively uniform.
A kind of 5. air-flow heat exchange thermocycling system as claimed in claim 2, it is characterised in that：At the pilot system
When temperature-rise period or high temperature hold mode, the gas recycle stream in the pipeline of air channel realizes that air-flow heats by electric heater, passes through
The power for adjusting electric heater realizes the regulation of heating power, and now Subzero valve is closed.
A kind of 6. air-flow heat exchange thermocycling system as claimed in claim 5, it is characterised in that：Temperature-rise period or high temperature
At the end of hold mode, electric heater is first shut off, cuts off the high temperature energy, keeps fan operation to close afterwards for a period of time, with true
Protect after blower fan stopping, the circulating current temperature in the pipeline of air channel is relatively uniform.
A kind of 7. air-flow heat exchange thermocycling system as claimed in claim 1, it is characterised in that：The pilot system can
Heating, cooling, insulation operating mode in any combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654171.XA CN107352045A (en) | 2017-08-03 | 2017-08-03 | A kind of air-flow heat exchange thermocycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654171.XA CN107352045A (en) | 2017-08-03 | 2017-08-03 | A kind of air-flow heat exchange thermocycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107352045A true CN107352045A (en) | 2017-11-17 |
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ID=60286333
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710654171.XA Pending CN107352045A (en) | 2017-08-03 | 2017-08-03 | A kind of air-flow heat exchange thermocycling system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4263786A (en) * | 1979-07-10 | 1981-04-28 | The Boeing Company | Fuel conserving air-conditioning apparatus and method for aircraft |
| CN1320794A (en) * | 2000-04-26 | 2001-11-07 | 株式会社电装 | Refrigerant circulation system |
| US20050183432A1 (en) * | 2004-02-19 | 2005-08-25 | Cowans Kenneth W. | Thermal control system and method |
| CN1916532A (en) * | 2005-08-20 | 2007-02-21 | 李汉清 | High performance refrigerating unit, matched energy saving accessories in use for the unit, and method of use |
| CN102886284A (en) * | 2012-10-30 | 2013-01-23 | 上海交通大学 | High-low-temperature normal-pressure heat cycle test device |
| WO2016090913A1 (en) * | 2014-12-09 | 2016-06-16 | 北京七星华创电子股份有限公司 | Online chemical liquid heating control system and method |
| CN207173997U (en) * | 2017-08-03 | 2018-04-03 | 北京强度环境研究所 | A kind of air-flow heat exchange thermocycling system |
-
2017
- 2017-08-03 CN CN201710654171.XA patent/CN107352045A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4263786A (en) * | 1979-07-10 | 1981-04-28 | The Boeing Company | Fuel conserving air-conditioning apparatus and method for aircraft |
| CN1320794A (en) * | 2000-04-26 | 2001-11-07 | 株式会社电装 | Refrigerant circulation system |
| US20050183432A1 (en) * | 2004-02-19 | 2005-08-25 | Cowans Kenneth W. | Thermal control system and method |
| CN1916532A (en) * | 2005-08-20 | 2007-02-21 | 李汉清 | High performance refrigerating unit, matched energy saving accessories in use for the unit, and method of use |
| CN102886284A (en) * | 2012-10-30 | 2013-01-23 | 上海交通大学 | High-low-temperature normal-pressure heat cycle test device |
| WO2016090913A1 (en) * | 2014-12-09 | 2016-06-16 | 北京七星华创电子股份有限公司 | Online chemical liquid heating control system and method |
| CN207173997U (en) * | 2017-08-03 | 2018-04-03 | 北京强度环境研究所 | A kind of air-flow heat exchange thermocycling system |
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