CN108945535A - A kind of Space environment simulation facility nitrogen cooling type chilled water unit - Google Patents
A kind of Space environment simulation facility nitrogen cooling type chilled water unit Download PDFInfo
- Publication number
- CN108945535A CN108945535A CN201810760528.7A CN201810760528A CN108945535A CN 108945535 A CN108945535 A CN 108945535A CN 201810760528 A CN201810760528 A CN 201810760528A CN 108945535 A CN108945535 A CN 108945535A
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- CN
- China
- Prior art keywords
- water
- valve
- environment simulation
- space environment
- simulation facility
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
Abstract
A kind of Space environment simulation facility disclosed by the invention nitrogen cooling type chilled water unit, comprising: Space environment simulation facility, admission line, bypass blow valve, bypass exhausting pipeline, intake valve, booster fan, refrigeration machine, interior recycling outlet, internal circulation pump, interior recirculation return pipe, water flow blender, water tank temperature sensor, air outlet valve, outlet pipe, heat exchanger, water tank, leaving water temperature sensors, outer circulation outlet conduit, outer circulation pump, outer circulation water return pipeline, water equipment；The heat exchanger, water flow blender, water tank temperature sensor are located in water tank, and heat exchanger both ends are connected with admission line, outlet pipe respectively, and intake valve, booster fan are sequentially arranged on admission line, and air outlet valve is mounted on outlet pipe.The low temperature nitrogen that the present invention is discharged using Space environment simulation facility cools down cooling water as cold source, can greatly improve resource utilization, while retaining refrigeration machine as assisted refrigeration equipment, it is ensured that system can be worked normally in nitrogen cooling capacity deficiency.
Description
Technical field
The present invention relates to environment ring moulds to test field, in particular to Space environment simulation facility is filled with nitrogen cooling type cooling water
It sets.
Background technique
Spacecraft must carry out space environment test to examine the properties of verifying system, often utilize in ring moulds test
Liquid nitrogen carrys out the profound hypothermia environment of simulation space as cold source, and the low temperature nitrogen after liquid nitrogen gasification is directly discharged into air.And the part
Nitrogen temperature is generally no more than -150 DEG C, and directly emptying has energy waste.
Summary of the invention
For above-mentioned energy waste problem, the present invention provides a kind of Space environment simulation facility nitrogen cooling type cooling water dress
It sets.
Space environment simulation facility provided by the invention nitrogen cooling type chilled water unit, including admission line, bypass emptying
Valve, bypass exhausting pipeline, intake valve, booster fan, refrigeration machine, interior recycling outlet, internal circulation pump, interior recirculation return pipe, water
Flow blender, water tank temperature sensor, air outlet valve, outlet pipe, heat exchanger, water tank, leaving water temperature sensors, outer circulation water outlet
Pipeline, outer circulation pump, outer circulation water return pipeline, water equipment.
Wherein, the heat exchanger, water flow blender, water tank temperature sensor are located in water tank, heat exchanger both ends respectively with
Admission line, outlet pipe are connected, and intake valve, booster fan are sequentially arranged on admission line, and air outlet valve is mounted on escape pipe
On road；The admission line upper end is connected with environment simulation facility；The leaving water temperature sensors, outer circulation pump are mounted on outer circulation and go out
On waterpipe；The internal circulation pump is mounted on interior recycling outlet；
The Space environment simulation facility nitrogen cooling type chilled water unit further includes controller, the bypass blow valve,
Intake valve, booster fan, refrigeration machine, internal circulation pump, water flow blender, water tank temperature sensor, air outlet valve, leaving water temperature sensing
Device, outer circulation pump are connected by cable with controller.
Preferably, the bypass blow valve, intake valve, air outlet valve are program-controlled low temperature electric gasification valve, valve body
Material is 304 stainless steels.
The preferably described controller passes through regulation according to water tank temperature sensor, the temperature data of leaving water temperature sensors
The adjusting that blow valve, the switch of intake valve and aperture realize refrigerating capacity is bypassed, when refrigerating capacity deficiency, controller opens refrigeration
Machine, outer circulation pump realize assisted refrigeration.
Preferably, the admission line, bypass exhausting pipeline, outlet pipe material are 304 stainless steels, it is ensured that low temperature environment
Lower equipment safety.
Preferably, the heat exchanger material is aluminium, meets Low temperature property requirements and excellent heat transfer requirements；
Preferably, the booster fan is low temperature resistant blower, increases nitrogen flow rate, that is, can ensure that the nitrogen of Space environment simulation facility
Gas discharges in time, and can promote heat transfer effect；
Preferably, the water flow blender is placed in the water of water tank, enhances the flowing of water tank internal water, i.e. enhancing heat exchange effect
Fruit, and prevent that local water temperature is too low and freezes.
The course of work of the invention are as follows:
In use, first opening bypass blow valve, it is ensured that nitrogen can normal discharge；Start water flow blender, outer circulation later
Pump, moves up water flow in system；Then start-up space environment simulation facility, wait have low temperature nitrogen discharge after, successively open air outlet valve,
Intake valve starts booster fan；Controller passes through tune according to water tank temperature sensor, the temperature data of leaving water temperature sensors
Control bypass blow valve, the switch of intake valve and aperture realize the adjusting of refrigerating capacity, and when refrigerating capacity deficiency, controller opens refrigeration
Machine is realized, outer circulation pumps assisted refrigeration.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention can efficiently use the remaining cooling capacity of low temperature nitrogen, reduce the wasting of resources；
2, for the present invention using low temperature nitrogen as major refrigeration, sports equipment is few, and failure rate is low, stable and reliable in work, maintenance at
This is low；
3, structure of the invention is rationally simple, easy to spread.
Detailed description of the invention
Fig. 1 is that the composition of Space environment simulation facility nitrogen cooling type chilled water unit provided in an embodiment of the present invention is illustrated
Figure.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1, Space environment simulation facility provided by the invention nitrogen cooling type chilled water unit, including admission line 2,
Bypass blow valve 3, bypass exhausting pipeline 4, intake valve 5, booster fan 6, refrigeration machine 7, interior recycling outlet 8, internal circulation pump 9,
Interior recirculation return pipe 10, water flow blender 11, water tank temperature sensor 12, air outlet valve 13, outlet pipe 14, heat exchanger 15, water
Case 16, leaving water temperature sensors 17, outer circulation outlet conduit 18, outer circulation pump 19, outer circulation water return pipeline 20, water equipment
21.The heat exchanger 15, water flow blender 11, water tank temperature sensor 12 are located in water tank 16,15 both ends of heat exchanger respectively with
Admission line 2, outlet pipe 14 are connected, and intake valve 13, booster fan 6 are sequentially arranged on admission line 2, and air outlet valve 13 is installed
On outlet pipe 14；2 upper end of admission line is connected with environment simulation facility 1；The leaving water temperature sensors 17, outer circulation pump
19 are mounted on outer circulation outlet conduit 18；The internal circulation pump 9 is mounted on interior recycling outlet 8.
It continuing to refer to figure 1, Space environment simulation facility 1 is mounted on Space environment simulation facility nitrogen cooling type chilled water unit,
The bypass blow valve 3, intake valve 5, air outlet valve 13 are that program-controlled low temperature electric gasifies valve, and valve body material is not 304 not
Become rusty steel.
It continues to refer to figure 1, the invention also includes controller, the bypass blow valve 3, intake valve 5, booster fan 6, refrigeration
Machine 7, internal circulation pump 9, water flow blender 11, water tank temperature sensor 12, air outlet valve 13, leaving water temperature sensors 17, outer circulation
Pump 19 is connected by cable with controller；The controller is according to the temperature of water tank temperature sensor 12, leaving water temperature sensors 17
Degree evidence realizes the adjusting of refrigerating capacity by regulation bypass blow valve 3, the switch of intake valve 5 and aperture, when refrigerating capacity deficiency
When, controller opens refrigeration machine 7, outer circulation pump 19 realizes assisted refrigeration.
It continues to refer to figure 1, the admission line 2, bypass exhausting pipeline 4,14 material of outlet pipe are 304 stainless steels, really
Protect equipment safety under low temperature environment；15 material of heat exchanger is aluminium, meets Low temperature property requirements and excellent heat transfer requirements；Institute
Stating booster fan 6 is low temperature resistant blower, increases nitrogen flow rate, that is, can ensure that the nitrogen of Space environment simulation facility 1 discharges in time, and can
Promote heat transfer effect；The water flow blender 11 is placed in the water of water tank 16, enhances the flowing of water tank internal water, i.e. enhancing heat exchange
Effect, and prevent that local water temperature is too low and freezes.
The present invention can efficiently use the remaining cooling capacity of the low temperature nitrogen of Space environment simulation facility, reduce the wasting of resources.It ties below
It closes Fig. 1 and illustrates specific work process of the invention:
In use, first opening bypass blow valve 3, it is ensured that nitrogen can normal discharge；Start water flow blender 11 later, follow outside
Ring pump 19, moves up water flow in system；Then start-up space environment simulation facility 1 is successively opened out after having low temperature nitrogen discharge
Air valve 13, intake valve 5 start booster fan 6；Controller is according to the temperature of water tank temperature sensor 12, leaving water temperature sensors 17
Degree evidence realizes the adjusting of refrigerating capacity by regulation bypass blow valve 3, the switch of intake valve 5 and aperture, when refrigerating capacity deficiency
When, controller opens refrigeration machine 7, outer circulation pump 19 realizes assisted refrigeration.
The cooling water that the present invention is configured using ring moulds testing equipment is carried out cold as object using the remaining cooling capacity of low temperature nitrogen
But water is cooling, can effectively reduce the wasting of resources, improves resource utilization；Low temperature nitrogen cooling device sports equipment is few simultaneously, therefore
Barrier rate is low, stable and reliable in work, and maintenance cost is low.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (7)
1. a kind of Space environment simulation facility nitrogen cooling type chilled water unit characterized by comprising admission line (2), bypass
It is blow valve (3), bypass exhausting pipeline (4), intake valve (5), booster fan (6), refrigeration machine (7), interior recycling outlet (8), interior
Circulating pump (9), interior recirculation return pipe (10), water flow blender (11), water tank temperature sensor (12), air outlet valve (13), outlet
Pipeline (14), heat exchanger (15), water tank (16), leaving water temperature sensors (17), outer circulation outlet conduit (18), outer circulation pump
(19), outer circulation water return pipeline (20), water equipment (21)；
Wherein, the heat exchanger (15), water flow blender (11), water tank temperature sensor (12) are located in water tank (16), heat exchange
Device (15) both ends are connected with admission line (2), outlet pipe (14) respectively, and intake valve (13), booster fan (6) are sequentially arranged at
On admission line (2), air outlet valve (13) is mounted on outlet pipe (14)；
Admission line (2) upper end is connected with environment simulation facility (1)；The leaving water temperature sensors (17), outer circulation pump (19)
It is mounted on outer circulation outlet conduit (18)；The internal circulation pump (9) is mounted on interior recycling outlet (8)；
The bypass blow valve (3), intake valve (5), booster fan (6), refrigeration machine (7), internal circulation pump (9), water flow blender
(11), water tank temperature sensor (12), air outlet valve (13), leaving water temperature sensors (17), outer circulation pump (19) by cable with
Controller is connected.
2. Space environment simulation facility according to claim 1 nitrogen cooling type chilled water unit, which is characterized in that the side
Logical blow valve (3), intake valve (5), air outlet valve (13) are that program-controlled low temperature electric gasifies valve, and valve body material is not 304 not
Become rusty steel.
3. Space environment simulation facility according to claim 1 or 2 nitrogen cooling type chilled water unit, which is characterized in that institute
Controller is stated according to water tank temperature sensor (12), the temperature data of leaving water temperature sensors (17), passes through regulation bypass emptying
Valve (3), the switch of intake valve (5) and aperture realize the adjusting of refrigerating capacity, and when refrigerating capacity deficiency, controller opens refrigeration machine
(7), outer circulation pump (19) realizes assisted refrigeration.
4. Space environment simulation facility according to claim 1 nitrogen cooling type chilled water unit, which is characterized in that it is described into
Feed channel (2), bypass exhausting pipeline (4), outlet pipe (14) material are 304 stainless steels, it is ensured that equipment safety under low temperature environment.
5. Space environment simulation facility according to claim 1 nitrogen cooling type chilled water unit, which is characterized in that described to change
Hot device (15) material is aluminium, meets Low temperature property requirements and excellent heat transfer requirements.
6. Space environment simulation facility according to claim 1 nitrogen cooling type chilled water unit, which is characterized in that the increasing
Pressure fan (6) is low temperature resistant blower, increases nitrogen flow rate, that is, can ensure that the nitrogen of Space environment simulation facility (1) discharges in time, and can
Promote heat transfer effect.
7. Space environment simulation facility according to claim 1 nitrogen cooling type chilled water unit, which is characterized in that the water
Stream blender (11) is placed in the water of water tank (16), enhances the flowing of water tank internal water, i.e. enhancing heat transfer effect, and prevents part
Water temperature is too low and freezes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810760528.7A CN108945535A (en) | 2018-07-12 | 2018-07-12 | A kind of Space environment simulation facility nitrogen cooling type chilled water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810760528.7A CN108945535A (en) | 2018-07-12 | 2018-07-12 | A kind of Space environment simulation facility nitrogen cooling type chilled water unit |
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| Publication Number | Publication Date |
|---|---|
| CN108945535A true CN108945535A (en) | 2018-12-07 |
Family
ID=64482820
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810760528.7A Pending CN108945535A (en) | 2018-07-12 | 2018-07-12 | A kind of Space environment simulation facility nitrogen cooling type chilled water unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644251A (en) * | 2020-05-27 | 2020-09-11 | 南通协鑫热熔胶有限公司 | Liquid nitrogen cryogenic grinding low-temperature nitrogen recycling integrated equipment |
| CN115806058A (en) * | 2023-02-01 | 2023-03-17 | 天津航天瑞莱科技有限公司 | Thermal strength examination test device for aircraft conical cabin section joint |
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| CN101871714A (en) * | 2010-06-24 | 2010-10-27 | 宁波明欣化工机械有限责任公司 | Vacuumizing recycled water cooling process system |
| CN103256770A (en) * | 2012-04-23 | 2013-08-21 | 中国科学院理化技术研究所 | Cryogenic treatment equipment with cold energy recovery device |
| CN103318427A (en) * | 2013-06-25 | 2013-09-25 | 上海宇航系统工程研究所 | Space environment simulation testing system |
| CN106325334A (en) * | 2016-11-22 | 2017-01-11 | 北京瑞尔腾普科技有限公司 | Temperature control system, environmental simulation system and reliability test equipment |
| WO2017074544A1 (en) * | 2015-10-27 | 2017-05-04 | Praxair Technology, Inc. | System and method for providing refrigeration to a cryogenic separation unit |
| CN107218510A (en) * | 2017-06-19 | 2017-09-29 | 北京卫星环境工程研究所 | Space environment simulation facility is vented optimization system and the Space environment simulation facility with the system |
| CN107539502A (en) * | 2016-07-18 | 2018-01-05 | 北京卫星环境工程研究所 | Temperature-adjustment pressure-adjustment device for spacecraft environment experiment |
-
2018
- 2018-07-12 CN CN201810760528.7A patent/CN108945535A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871714A (en) * | 2010-06-24 | 2010-10-27 | 宁波明欣化工机械有限责任公司 | Vacuumizing recycled water cooling process system |
| CN103256770A (en) * | 2012-04-23 | 2013-08-21 | 中国科学院理化技术研究所 | Cryogenic treatment equipment with cold energy recovery device |
| CN103318427A (en) * | 2013-06-25 | 2013-09-25 | 上海宇航系统工程研究所 | Space environment simulation testing system |
| WO2017074544A1 (en) * | 2015-10-27 | 2017-05-04 | Praxair Technology, Inc. | System and method for providing refrigeration to a cryogenic separation unit |
| CN107539502A (en) * | 2016-07-18 | 2018-01-05 | 北京卫星环境工程研究所 | Temperature-adjustment pressure-adjustment device for spacecraft environment experiment |
| CN106325334A (en) * | 2016-11-22 | 2017-01-11 | 北京瑞尔腾普科技有限公司 | Temperature control system, environmental simulation system and reliability test equipment |
| CN107218510A (en) * | 2017-06-19 | 2017-09-29 | 北京卫星环境工程研究所 | Space environment simulation facility is vented optimization system and the Space environment simulation facility with the system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644251A (en) * | 2020-05-27 | 2020-09-11 | 南通协鑫热熔胶有限公司 | Liquid nitrogen cryogenic grinding low-temperature nitrogen recycling integrated equipment |
| CN115806058A (en) * | 2023-02-01 | 2023-03-17 | 天津航天瑞莱科技有限公司 | Thermal strength examination test device for aircraft conical cabin section joint |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |