CN105259208A - Heat performance test device and method for heat pipe under vacuum - Google Patents
Heat performance test device and method for heat pipe under vacuum Download PDFInfo
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- CN105259208A CN105259208A CN201510821974.0A CN201510821974A CN105259208A CN 105259208 A CN105259208 A CN 105259208A CN 201510821974 A CN201510821974 A CN 201510821974A CN 105259208 A CN105259208 A CN 105259208A
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Abstract
The invention provides a heat performance test device and a heat performance test method for a heat pipe under vacuum. The device comprises a vacuum tank, a cold plate, a vacuum air extracting system, a refrigeration system and a heating system, wherein the vacuum tank is connected with the vacuum air extract system, the refrigeration system and the heating system respectively through flange connection openings in the surface of the vacuum tank; the cold plate is arranged in the vacuum tank; the vacuum air extracting system is used for extracting air from the vacuum tank, so that the vacuum tank reaches a vacuum degree required by a space environment experiment; the refrigeration system provides refrigeration liquid for the cold plate, thus realizing temperature control on the cold plate and ensuring that the surface temperature of the cold plate is uniform; a heating sheet of the heating system is arranged in the vacuum tank. According to the heat performance test device, a novel refrigeration mode replaces a conventional cooling water cooling mode, so that the test temperature region for the heat pipe is greatly expanded, the requirement of the heat performance test of the heat pipe for the temperature of the space environment is met, the heat performance test temperature range of the heat pipe is expanded, and the heat performance test precision of the heat pipe is improved.
Description
Technical field
The present invention relates to heat performance testing device, particularly, relate to for the heat pipe thermal performance proving installation under vacuum and method, the proving installation of spacecraft heat pipe thermal behavior and method under especially a kind of virtual space vacuum environment.
Background technology
Due to conditions such as ground environment and space temperature, humidity, there were significant differences, causes properties of hot pipe to have certain deviation under different service condition.Properties of hot pipe test mainly comprises adopting heat pipes for heat transfer performance test and life test.The heat pipe used in spacecraft also needs to test at vacuum low-temperature environment, with close to real space environment, tests heat pipe properties, ensures heat pipe use safety.Current conventional heat pipe testing apparatus temperature range scope can not meeting spatial environment spacecraft-testing demand.
According to present stage space flight demand for development, for ensureing accuracy and the reliability of heat pipe thermal performance, being necessary to design new method of testing, needing with the development of meeting spatial environment spacecraft.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of for the heat pipe thermal performance proving installation under vacuum and method.
According to provided by the invention a kind of for the heat pipe thermal performance proving installation under vacuum, comprising: vacuum tank, cold drawing, vacuum-pumping system, refrigeration system, heating system;
Vacuum tank connects vacuum-pumping system, refrigeration system, heating system respectively by the flange-interface of its own face;
Cold drawing is arranged in vacuum tank;
Vacuum-pumping system is bled to vacuum tank, makes vacuum tank reach vacuum tightness needed for space environment test;
Refrigeration system provides refrigerating fluid for cold drawing, and the temperature realizing cold drawing controls, and ensures that cold drawing surface temperature is even;
The heating plate of heating system is arranged in vacuum tank.
Preferably, also Measurement and Control System is comprised
Described Measurement and Control System controls vacuum-pumping system, refrigeration system, heating system, and carries out Acquire and process to measurement data.
Preferably, vacuum tank is horizontal tubular structure, and two ends are dished (torispherical) head, and adopt the manufacture of 0Cr18Ni9 stainless steel, the polishing of vacuum tank inside surface, surfaceness <0.8 μm, all cleaning elements of vacuum tank are without oil;
Vacuum-pumping system, the vacuum line of vacuum-pumping system selects the manufacture of 0Cr18Ni9 stainless steel, and vacuum line, through without oily ungrease treatment, ensures the clean of vacuum suction;
Refrigeration system, according to the temperature feedback of temperature controlling point on cold drawing, carries out the adjustment of PID temperature control, ensure the temperature-controlled precision of cold drawing be better than ± 1 DEG C, temperature control scope-80 DEG C ~ 80 DEG C of cold drawing 7;
Be provided with cold drawing mounting bracket in vacuum tank, cold drawing is positioned over cold drawing mounting bracket, and cold drawing mounting bracket can adjust the levelness of cold drawing; The upper surface of cold drawing mounting bracket adopts fiberglass and cold drawing 7 thermal insulation, and the miscellaneous part of cold drawing mounting bracket selects 304 stainless steels;
Cold drawing adopts copper plate, copper plate back side coiling coil pipe, and red copper material selected by coil pipe, copper plate surface fluting, and coil pipe is nested in groove, and adopt silver soldering to weld between coil pipe with groove, cold drawing test surfaces carries out polishing, and surface planarity is better than 0.1mm;
Heating plate selects double-sided insulation constantan paper tinsel electric heating sheets, and precision ± 3.0% of resistance value, the insulation resistance between extension line and insulation course is greater than 100M Ω.
According to a kind of above-mentioned using method for the heat pipe thermal performance proving installation under vacuum provided by the invention, comprise the steps:
Step 1: cold drawing and heat pipe condenser section are carried out installation by web member and fixes, fill thermal grease conduction between cold drawing and heat pipe condenser section;
Step 2: according to test needs, arrange temperature element at tube surface;
Step 3: heat pipes heat section arranges heating plate, heat pipe adiabatic section wrapping heat-barrier material;
Step 4: the tank door of closing vacuum tank, is bled to vacuum tank by vacuum-pumping system, until vacuum tank reaches the vacuum tightness of test request;
Step 5: according to heat pipe test request, sets the heating power of cold drawing working temperature and heating system, carries out testing experiment according to operating condition of test.
Preferably, also comprise the steps:
Step 6: the temperature element temperature data collected according to Measurement and Control System, the thermal behavior of opposite heat tube is analyzed;
Step 7: off-test, drives vacuum tank and checks heat pipe correlated quality characteristic.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention adopts New Refrigerating mode to replace tradition cooling water cooling mode, has greatly expanded heat pipe probe temperature interval, has met heat pipe thermal performance test to space environment temperature requirement, expanded heat pipe thermal performance Range of measuring temp.
2, proving installation of the present invention adapts to the requirement of spacecraft heat pipe test, easy and simple to handle, easy for installation, improves heat pipe thermal performance measuring accuracy.
3, heating power in the present invention, cold plate temperature is adjustable, single test can realize multi-state, many heat pipes are tested simultaneously, saves heat pipe testing experiment cost, economic benefits, and operation easily, convenient, save the time, alleviate the labour intensity of operating personnel, improve work efficiency.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is Cleaning Principle figure of the present invention.
Fig. 2 is the structural representation of proving installation provided by the present invention.
Fig. 3 is the structural representation of vacuum tank inside in proving installation provided by the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some changes and improvements can also be made.These all belong to protection scope of the present invention.
The present invention is directed to the method for testing of conventional heat pipe performance test apparatus, there is provided a kind of and space environmental simulation opposite heat tube thermal behavior can carry out the device tested, this proving installation cold plate temperature can regulate within the specific limits, meets the user demand of different spaces environmental testing.
According to provided by the invention a kind of for the heat pipe thermal performance proving installation under vacuum, comprising: vacuum tank, cold drawing, vacuum-pumping system, refrigeration system, heating system;
Vacuum tank connects vacuum-pumping system, refrigeration system, heating system respectively by the flange-interface of its own face;
Cold drawing is arranged in vacuum tank;
Vacuum-pumping system is bled to vacuum tank, makes vacuum tank reach vacuum tightness needed for space environment test;
Refrigeration system provides refrigerating fluid for cold drawing, and the temperature realizing cold drawing controls, and ensures that cold drawing surface temperature is even;
The heating plate of heating system is arranged in vacuum tank.
Described Measurement and Control System controls vacuum-pumping system, refrigeration system, heating system, and carries out Acquire and process to measurement data.
Described vacuum tank 1 is horizontal tubular structure, and effective dimensions is Φ 800mm × 3200mm, and two ends are dished (torispherical) head, and adopt the manufacture of 0Cr18Ni9 stainless steel, such material under vacuo discharge quantity is little.The polishing of vacuum tank inside surface, surfaceness <0.8 μm, ensures that hemisphere is to infrared emittance <0.05, reduces the heat radiation to product.The all cleaning elements of vacuum tank are without oil.Tank surface has refrigeration system, vacuum system, heating system, Measurement and Control System flange-interface.Vacuum tank is the main equipment of this device, and it provides effective environment space for test products
Described vacuum-pumping system 2 forms primarily of dry pump, molecular pump, valve and vacuum line, vacuum line, flange all design by vacuum standard, select the manufacture of 0Cr18Ni9 stainless steel, all pipelines must through without oily ungrease treatment, ensure the clean of vacuum suction, vacuum-pumping system 2 is connected with the vacuum system flange-interface of vacuum tank 1, and the vacuum tightness of vacuum tank 1 is better than 5 × 10
-4pa.
It is core that described Measurement and Control System 3 adopts with PLC, controls framework with extendible multistage collecting and distributing type, at the scene touch-screen can carry out independent control to subsystem, also the computing machine in pulpit can carry out Centralized Monitoring.
Described refrigeration system 4 is primarily of compositions such as refrigeration heating integrated machine, pipeline, valves.Refrigeration system 4 is connected with the refrigeration flange-interface of vacuum tank 1, provides refrigerating fluid to cold drawing 7, and this refrigerating fluid can keep good heat conductivility and flowing property in the temperature range of-90 DEG C ~ 100 DEG C.Refrigeration system 4, according to temperature controlling point temperature feedback on cold drawing 7, carries out the adjustment of PID temperature control, ensure the temperature-controlled precision of cold drawing 7 be better than ± 1 DEG C, temperature control scope-80 DEG C ~ 80 DEG C of cold drawing 7.
Describedly also comprise backup system 5 for the heat pipe thermal performance proving installation under vacuum, backup system 5, primarily of air compressor, circulated refrigerated water unit and respective line composition, is test relevant device air feed, water supply.
Cold drawing mounting bracket 6 in described vacuum tank 1 for placing cold drawing 7, and can adjust cold drawing 7 level.Cold drawing mounting bracket 6 upper surface adopts fiberglass and cold drawing 7 thermal insulation, and miscellaneous part selects 304 stainless steels; Cold drawing mounting bracket also designs adjustable supports, regulates the levelness of cold drawing 7, makes it be better than 20 ".
Described cold drawing 7 adopts copper plate, be arranged in vacuum tank 1, there is fabulous heat conductivility, copper plate back side coiling certain length coil pipe, red copper material selected by coil pipe, copper coin surface fluting, copper pipe is nested in groove, employing silver soldering is welded, and ensures overall cold drawing thermal behavior, and cold drawing work uniformity coefficient is better than ± and 1 DEG C.Cold drawing 7 is connected with refrigeration system 4 by the refrigeration flange-interface of vacuum tank 1.Cold drawing 7 effective dimensions is 2.8m × 0.4m, and be that 2 blocks of independent cold drawings are spliced, cold drawing test surfaces carries out polishing, and surface planarity is better than 0.1mm.
Described heat pipe 8 is space environment spacecraft heat pipe, and the test products as this proving installation uses.Heat pipe 8 comprises condensation segment 801, adiabatic section 802 and bringing-up section 803.
Described heating system 9 is primarily of compositions such as heating plate, direct supply, cables.Heating plate selects double-sided insulation constantan paper tinsel electric heating sheets, and precision ± 3.0% of resistance value, the insulation resistance between extension line and insulation course is greater than 100M Ω.Select high thermal conductivity, heating plate and heat pipe be pasted together by the material of low discharge quantity.Direct supply provides stable electric current, voltage for heating plate, ensures that heating power is stablized.
According to a kind of above-mentioned using method for the heat pipe thermal performance proving installation under vacuum provided by the invention, comprise the steps:
Step 1: cold drawing and heat pipe condenser section are carried out installation by web member and fixes, fill thermal grease conduction between cold drawing and heat pipe condenser section;
Step 2: according to test needs, arrange temperature element at tube surface;
Step 3: heat pipes heat section arranges heating plate, heat pipe adiabatic section wrapping heat-barrier material;
Step 4: the tank door of closing vacuum tank, is bled to vacuum tank by vacuum-pumping system, until vacuum tank reaches the vacuum tightness of test request;
Step 5: according to heat pipe test request, sets the heating power of cold drawing working temperature and heating system, carries out testing experiment according to operating condition of test;
Step 6: the temperature element temperature data collected according to Measurement and Control System, the thermal behavior of opposite heat tube is analyzed;
Step 7: off-test, drives vacuum tank and checks heat pipe correlated quality characteristic.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, and this does not affect flesh and blood of the present invention.When not conflicting, the feature in the embodiment of the application and embodiment can combine arbitrarily mutually.
Claims (5)
1. for the heat pipe thermal performance proving installation under vacuum, it is characterized in that, comprising: vacuum tank, cold drawing, vacuum-pumping system, refrigeration system, heating system;
Vacuum tank connects vacuum-pumping system, refrigeration system, heating system respectively by the flange-interface of its own face;
Cold drawing is arranged in vacuum tank;
Vacuum-pumping system is bled to vacuum tank, makes vacuum tank reach vacuum tightness needed for space environment test;
Refrigeration system provides refrigerating fluid for cold drawing, and the temperature realizing cold drawing controls, and ensures that cold drawing surface temperature is even;
The heating plate of heating system is arranged in vacuum tank.
2. according to claim 1 for the heat pipe thermal performance proving installation under vacuum, it is characterized in that, also comprise Measurement and Control System;
Described Measurement and Control System controls vacuum-pumping system, refrigeration system, heating system, and carries out Acquire and process to measurement data.
3. according to claim 1 for the heat pipe thermal performance proving installation under vacuum, it is characterized in that:
Vacuum tank is horizontal tubular structure, and two ends are dished (torispherical) head, and adopt the manufacture of 0Cr18Ni9 stainless steel, the polishing of vacuum tank inside surface, surfaceness <0.8 μm, all cleaning elements of vacuum tank are without oil;
Vacuum-pumping system, the vacuum line of vacuum-pumping system selects the manufacture of 0Cr18Ni9 stainless steel, and vacuum line, through without oily ungrease treatment, ensures the clean of vacuum suction;
Refrigeration system, according to the temperature feedback of temperature controlling point on cold drawing, carries out the adjustment of PID temperature control, ensure the temperature-controlled precision of cold drawing be better than ± 1 DEG C, temperature control scope-80 DEG C ~ 80 DEG C of cold drawing 7;
Be provided with cold drawing mounting bracket in vacuum tank, cold drawing is positioned over cold drawing mounting bracket, and cold drawing mounting bracket can adjust the levelness of cold drawing; The upper surface of cold drawing mounting bracket adopts fiberglass and cold drawing 7 thermal insulation, and the miscellaneous part of cold drawing mounting bracket selects 304 stainless steels;
Cold drawing adopts copper plate, copper plate back side coiling coil pipe, and red copper material selected by coil pipe, copper plate surface fluting, and coil pipe is nested in groove, and adopt silver soldering to weld between coil pipe with groove, cold drawing test surfaces carries out polishing, and surface planarity is better than 0.1mm;
Heating plate selects double-sided insulation constantan paper tinsel electric heating sheets, and precision ± 3.0% of resistance value, the insulation resistance between extension line and insulation course is greater than 100M Ω.
4. the using method for the heat pipe thermal performance proving installation under vacuum according to any one of claims 1 to 3, is characterized in that, comprise the steps:
Step 1: cold drawing and heat pipe condenser section are carried out installation by web member and fixes, fill thermal grease conduction between cold drawing and heat pipe condenser section;
Step 2: according to test needs, arrange temperature element at tube surface;
Step 3: heat pipes heat section arranges heating plate, heat pipe adiabatic section wrapping heat-barrier material;
Step 4: the tank door of closing vacuum tank, is bled to vacuum tank by vacuum-pumping system, until vacuum tank reaches the vacuum tightness of test request;
Step 5: according to heat pipe test request, sets the heating power of cold drawing working temperature and heating system, carries out testing experiment according to operating condition of test.
5. the using method for the heat pipe thermal performance proving installation under vacuum according to claim 4, is characterized in that, comprise the steps:
Step 6: the temperature element temperature data collected according to Measurement and Control System, the thermal behavior of opposite heat tube is analyzed;
Step 7: off-test, drives vacuum tank and checks heat pipe correlated quality characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821974.0A CN105259208A (en) | 2015-11-23 | 2015-11-23 | Heat performance test device and method for heat pipe under vacuum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510821974.0A CN105259208A (en) | 2015-11-23 | 2015-11-23 | Heat performance test device and method for heat pipe under vacuum |
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| CN105259208A true CN105259208A (en) | 2016-01-20 |
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| CN201510821974.0A Pending CN105259208A (en) | 2015-11-23 | 2015-11-23 | Heat performance test device and method for heat pipe under vacuum |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404828A (en) * | 2016-08-26 | 2017-02-15 | 中国电子科技集团公司第十研究所 | Testing method for thermal resistance of LRM cold plate |
| CN108020581A (en) * | 2017-11-21 | 2018-05-11 | 上海理工大学 | A kind of Space Thermal tube performance testing experimental provision |
| CN111470073A (en) * | 2020-04-22 | 2020-07-31 | 中国科学院西安光学精密机械研究所 | Ultra-static vacuum testing device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070127550A1 (en) * | 2005-12-02 | 2007-06-07 | Foxconn Technology Co., Ltd. | Performance testing apparatus for heat pipes |
| CN101581683A (en) * | 2009-06-29 | 2009-11-18 | 长沙理工大学 | Experimental facility of heat-transfer character of nanometer fluid vacuum heating pipe under action of magnetic field |
| CN102818978A (en) * | 2012-08-13 | 2012-12-12 | 北京合丰天成科技有限公司 | Satellite travelling-wave tube thermovacuum testing system |
| CN103968878A (en) * | 2014-04-17 | 2014-08-06 | 浙江大学 | Low-temperature pulsating heat tube experiment apparatus |
| CN104848718A (en) * | 2015-04-28 | 2015-08-19 | 中国科学院理化技术研究所 | Pre-cooling device of low-temperature pulsing heat pipe and testing system with device |
-
2015
- 2015-11-23 CN CN201510821974.0A patent/CN105259208A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070127550A1 (en) * | 2005-12-02 | 2007-06-07 | Foxconn Technology Co., Ltd. | Performance testing apparatus for heat pipes |
| CN101581683A (en) * | 2009-06-29 | 2009-11-18 | 长沙理工大学 | Experimental facility of heat-transfer character of nanometer fluid vacuum heating pipe under action of magnetic field |
| CN102818978A (en) * | 2012-08-13 | 2012-12-12 | 北京合丰天成科技有限公司 | Satellite travelling-wave tube thermovacuum testing system |
| CN103968878A (en) * | 2014-04-17 | 2014-08-06 | 浙江大学 | Low-temperature pulsating heat tube experiment apparatus |
| CN104848718A (en) * | 2015-04-28 | 2015-08-19 | 中国科学院理化技术研究所 | Pre-cooling device of low-temperature pulsing heat pipe and testing system with device |
Non-Patent Citations (1)
| Title |
|---|
| 雷新塘，等: "卫星热管传热测试台的制冷与真空系统的设计", 《实验室研究与探索》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404828A (en) * | 2016-08-26 | 2017-02-15 | 中国电子科技集团公司第十研究所 | Testing method for thermal resistance of LRM cold plate |
| CN108020581A (en) * | 2017-11-21 | 2018-05-11 | 上海理工大学 | A kind of Space Thermal tube performance testing experimental provision |
| CN111470073A (en) * | 2020-04-22 | 2020-07-31 | 中国科学院西安光学精密机械研究所 | Ultra-static vacuum testing device and method |
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Application publication date: 20160120 |