CN205015171U - Simulated environment test case - Google Patents
Simulated environment test case Download PDFInfo
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- CN205015171U CN205015171U CN201520764743.6U CN201520764743U CN205015171U CN 205015171 U CN205015171 U CN 205015171U CN 201520764743 U CN201520764743 U CN 201520764743U CN 205015171 U CN205015171 U CN 205015171U
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Abstract
The utility model provides a simulated environment test case, include: the box the inside of box is formed with the working chamber, heat transfer device, via air intake and air outlet and the working chamber intercommunication is used for changing the temperature of working chamber, vacuum generating device, via the extraction opening with the working chamber intercommunication for reduce the atmospheric pressure of working chamber, ozone generating device, via ozone export with the working chamber intercommunication for provide ozone the body to the working chamber, and be located sample mount table and ultra violet radiation banks in the working chamber, the sample mount table is used for placing the sample, the ultra violet radiation banks is used for irradiation the sample. The utility model provides a simulated environment test case can satisfy and carries out reliability test's demand indoor to closing on spacecraft.
Description
Technical field
The utility model relates to testing equipment field, more specifically, relates to a kind of environmental simulation test case.
Background technology
Near space is the new space of mankind's footprint, and following near space vehicle will reside in this space for a long time.In near space, ultraviolet equals or close to the outer space, ozone concentration is high, near space vehicle will realize target resident for a long time, must to aircraft from material, parts even complete machine carry out the fail-test near space environment, find by test the mass defect that sample is potential, provide reference to give the Curve guide impeller of sample.And environmental simulation test case of the prior art or be simulation ground Environment Design or be simulation space Environment Design, all differ with the complex environment of near space comparatively greatly, the reliability testing requirements of near space vehicle can not be met.Therefore, need badly and propose a kind of environmental simulation test case of simulating near space environment, to meet the demand of fail-test under near space environment can be carried out in indoor near space vehicle.
Utility model content
The utility model aims to provide a kind of environmental simulation test case, to meet the demand of fail-test under near space environment can be carried out in indoor near space vehicle.
The environmental simulation test case that the utility model provides, comprising: casing, is formed with working chamber in the inside of described casing; Heat-exchanger rig, is communicated with described working chamber with air outlet via air inlet, for changing the temperature of working chamber; Vacuum generating device, is communicated with described working chamber via bleeding point, for reducing the air pressure of working chamber; Ozone generating-device, is communicated with described working chamber via ozone outlet, for providing ozone gas to working chamber; And being positioned at sample mounting stage and the ultraviolet radiation lamp group of described working chamber, described sample mounting stage is for placing sample, and described ultraviolet radiation lamp group is used for sample described in irradiation.
Further, the ozone outlet place of ozone generating-device is provided with the ozone nozzle stretched out towards sample.
Further, sample mounting stage is provided with ozone concentration detection device and/or UV intensity pick-up unit; Temperature-detecting device is provided with in working chamber.
Further, sample mounting stage is provided with for clamped sample and the fixture that can exert a force to sample.
Further, described fixture comprises at least one be selected from stretching, compression and alterante stress to sample force.
Further, the UV radiation wavelength band of ultraviolet radiation lamp group is 200 ~ 400nm, and radiation power is at 10 ~ 120W/m
2.
Further, ultraviolet radiation lamp group protective cover is installed in working chamber.
Further, ultraviolet radiation lamp group comprises multiple ultraviolet lamp tube be arranged on working chamber roof, the horizontally disposed below in ultraviolet radiation lamp group of sample mounting stage, ultraviolet radiation lamp group protective cover is the glass division board be arranged between ultraviolet radiation lamp group and sample mounting stage.
Further, this environmental simulation test case also comprises: be connected with casing and air interchanger for making the gas in working chamber and outside air exchange.
Further, this environmental simulation test case also comprises: rotary power unit and the turning axle driven by rotary power unit, and rotary power unit is connected with casing, and turning axle to extend in working chamber and is connected with sample mounting stage.
Further, heat-exchanger rig comprises: the heat exchanging chamber being communicated with air inlet and air outlet, and is arranged in heat interchanger and the circulating fan of heat exchanging chamber.
The environmental simulation test case that the utility model provides, under the synergy of heat-exchanger rig, ultraviolet radiation lamp group, vacuum generating device and ozone generating-device, the near space environment of low temperature, infrabar, high uitraviolet intensity, high ozone concentration can be simulated in working chamber, the sample that can be opposite in working chamber on sample mounting stage carries out the fail-test under near space environment, thus meets the demand of fail-test and durability test under near space environment is carried out in indoor near space vehicle.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the main TV structure sketch of the environmental simulation test case that the utility model embodiment provides;
Fig. 2 diagrammatically illustrates the side-looking structure diagram of the environmental simulation test case that the utility model embodiment provides.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
See Fig. 1 and Fig. 2, show the structure diagram of the environmental simulation test case that the utility model embodiment provides, for simulating near space environment, to carry out fail-test and durability test near space vehicle.As shown in the figure, this environmental simulation test case at least comprises: casing 1, the heat-exchanger rig be connected with casing 1, sample mounting stage 2, ultraviolet radiation lamp group 3, vacuum generating device 4 and ozone generating-device 5.
The inside of casing 1 is formed with working chamber 10, and working chamber 10 closes on the space of environment as simulation and uses the space that sample is tested.Casing 1 can need according to test the large scale casing being designed for system test, or is the small size casing for testing parts and material.Be appreciated that casing 1 includes chamber door so that pick and place sample in conjunction with prior art, and casing 1 can pressure-bearing and can completely cut off the outside environmental baseline such as temperature, humidity.
Sample mounting stage 2 is arranged in working chamber 10 and for placing sample, and sample can be the complete machine of near space vehicle, parts or material.Different according to test purpose, sample mounting stage 2 can be only sample and provide support platform, to test the aging conditions of sample in the situation of not stressing; Or, sample mounting stage 2 is preferably also provided with for clamped sample and the fixture 21 that can exert a force to sample, such as tensile force, force of compression and alterante stress can be applied to sample like this, to test the reliability of sample under stressing conditions and life-span by fixture 21.
Ultraviolet radiation lamp group 3 is arranged in working chamber 10, for radiation sample, manufactures the UV radiation environment in working chamber 10.It is (certain that ultraviolet radiation lamp group 3 such as comprises multiple ultraviolet lamp tube be arranged on working chamber 10 roof, ultraviolet radiation lamp group 3 also only can comprise a ultraviolet lamp tube in other embodiments), sample mounting stage 2 is the horizontally disposed below in ultraviolet radiation lamp group 3 preferably.The radiation wave band of ultraviolet radiation lamp group 3 and power can need to arrange according to test, and preferably, the UV radiation wavelength band of ultraviolet radiation lamp group 3 is 200nm ~ 400nm, and radiation power is at 10W/m
2~ 120W/m
2, with uitraviolet intensity and wave band as far as possible close near space.In addition, ultraviolet radiation lamp group protective cover 7 is preferably installed in working chamber 10, ultraviolet radiation lamp group protective cover 7 is while guarantee carries out UV radiation to sample, the region at ultraviolet radiation lamp group 3 place and other zone isolation of working chamber 10 are opened, can avoid like this, because working chamber 10 environment changes greatly, after causing ultraviolet radiation lamp group 3 explosion, being scattered in risk everywhere in working chamber 10.
Heat-exchanger rig, for changing the temperature in working chamber 10, makes the temperature in working chamber 10 improve, reduce or maintain a certain design temperature environment.Heat-exchanger rig can adopt known structure, as long as can regulate the temperature in working chamber 10.Present embodiment illustrates a kind of preferred implementation of heat-exchanger rig, as can be seen from Fig. 1 and Fig. 2, the sidewall of casing 1 offers air inlet 11, air outlet 12, air inlet 11 and air outlet 12 communicate with working chamber 10 respectively.Heat-exchanger rig comprises the heat exchanging chamber 13 being communicated with air inlet 11 and air outlet 12, and is arranged in heat interchanger 61 and the circulating fan 62 of heat exchanging chamber 13.Heat exchanging chamber 13 can be formed at the inside of wall box, like this, under the effect of circulating fan 62, in working chamber 10, gas enters in heat exchanging chamber 13 from air inlet 11, flow out in working chamber 10 with after heat interchanger 61 heat exchange from air outlet 12, repetitive cycling, can realize being rapidly heated or lowering the temperature in working chamber 10 like this.Preferably, air inlet 11 and air outlet 12 can be multiple, and circulating fan 62 can be arranged on each air outlet 12 place.
The bleeding point 40 of vacuum generating device 4 is communicated with working chamber 10, for the manufacture of the environment under low pressure in working chamber 10.Vacuum generating device 4 can adopt known technology, and it comprises at least one vacuum pump, pressure in the working chamber 10 that can provide and be low to moderate 1kpa of being bled by vacuum pump.
The ozone outlet of ozone generating-device 5 is communicated with working chamber 10, for the manufacture of the ozone environment in working chamber 10.Ozone generating-device 5 also can adopt known technology, preferably, ozone generating-device 5 for providing the ozone concentration of 10pphm ~ 2000pphm scope in working chamber 10, with the ozone concentration as far as possible close near space.
The environmental simulation test case that the utility model embodiment provides, under the synergy of heat-exchanger rig, ultraviolet radiation lamp group, vacuum generating device and ozone generating-device, the near space environment of low temperature, infrabar, high uitraviolet intensity, high ozone concentration can be simulated in working chamber, the sample that can be opposite in working chamber on sample mounting stage carries out the fail-test under near space environment, thus meets the demand of fail-test and durability test under near space environment is carried out in indoor near space vehicle.
It should be noted that, although the heat-exchanger rig in the present embodiment, vacuum generating device 4 and ozone generating-device 5 are directly connected with casing 1 respectively, but in other embodiments, heat-exchanger rig, vacuum generating device 4 and ozone generating-device 5 can independently be arranged at outside casing 1, are then communicated with working chamber 10 by corresponding pipeline.
Come see Fig. 1, preferably, in the present embodiment, the ozone outlet place of ozone generating-device 5 is provided with the ozone nozzle 51 stretched out towards sample again, and the ozone of high local concentrations uniform fold sample can be provided like this to distribute, and improves the validity of test.Preferably, the turning axle 81 that this environmental simulation test case also comprises rotary power unit 8 and driven by rotary power unit 8, rotary power unit 8 is connected with casing 1, and turning axle 81 to extend in working chamber 10 and is connected with sample mounting stage 2.Sample mounting stage 2 is equivalent to be connected with casing 1 by turning axle 81, rotary power unit 8.Preferably, rotary power unit 8 provides stable rotation and the function of short stay can to turning axle 81.Under the effect of this rotary power unit 8, the magnitude setting of ozone nozzle 51 can be reduced, make sample rotate to the high-concentrated ozone jeting area of ozone nozzle 51 successively.
Preferably, sample mounting stage 2 is provided with ozone concentration detection device and/or UV intensity pick-up unit, ozone concentration detection device, UV intensity pick-up unit are preferably arranged near sample, to obtain ozone concentration suffered by comparatively accurate sample and UV intensity information.Preferably, in working chamber 10, be provided with temperature-detecting device, to obtain the temperature in accurate working chamber 10.
In addition, as can be seen from Fig. 1 and Fig. 2, the present embodiment medium ultraviolet radial burner group protective cover 7 is preferably the glass division board be arranged between ultraviolet radiation lamp group 3 and sample mounting stage 2.Preferably, this glass division board can be made up of solid tempered glass, surrounding is connected with the inwall of casing 1, be appreciated that, insulating glass is equivalent to the chamber and the specimen test chamber that working chamber 10 are divided into ultraviolet lamp tube place, and the bleeding point 40 of the temperature adjustment region of heat-exchanger rig, the ozone outlet of ozone generating-device 5 and vacuum generating device 4 is corresponding with this specimen test chamber respectively.
Preferably, this environmental simulation test case also comprises: be connected with casing 1 and air interchanger for making the gas in working chamber 10 and outside air exchange, this air interchanger can adopt known technology, be used for gas in working chamber 10 being guided to casing 1 during work outside, the outside air of casing 1 outside is guided in working chamber 10.By arranging this air interchanger, when not meeting near space ozone concentration when ozone concentration is too high on the one hand in process of the test, can take a breath and make ozone concentration remain on certain concentration, after off-test, open air interchanger on the other hand, fast working chamber 10 can be returned to atmospheric pressure environment by environment under low pressure.
Hereafter by use procedure that environmental simulation test case the utility model embodiment is described in detail in detail provides is tested under carrying out near space environment near space vehicle:
1) will the sample of test be needed to be arranged on sample mounting stage 2 and to be clamped by fixture 21, the amount of the stretching of setting needed for sample, compression or mutual strain;
2) start heat interchanger 61 and the circulating fan 62 of heat-exchanger rig, by the temperature in temperature-detecting device testing chamber 10, the temperature in working chamber 10 is adjusted to predetermined test temperature required;
3), etc. in working chamber 10 after temperature stabilization, start vacuum generating device 4, working chamber 10 internal gas pressure is decreased to the air pressure required for predetermined test;
4) open ultraviolet radiation lamp group 3, regulate the power of ultraviolet radiation lamp group 3, the UV intensity pick-up unit on comparative sample erecting bed 2, make the ultraviolet irradiation power on sample reach value set by test;
5) open ozone generating-device 5, regulate ozone concentration, the ozone concentration detection device on comparative sample erecting bed 2, make the ozone concentration of especially sample close region within the scope of sample mounting stage in the scope needed for test;
6) open rotary power unit 8 according to test demand, regulate turning axle 81 rotational speed according to the actual requirements.Such as, consider the absorption of ozone for ultraviolet 200 ~ 280nm wave band, in actual tests, can control after exemplar stops the regular hour under high-concentrated ozone environment, rotate that to the spray regime of ozone nozzle 51, accept ultraviolet irradiation aging;
7) after burn-in test after a predetermined time, stop ozone generating-device 5, stop ultraviolet radiation lamp group 3, by heat-exchanger rig, temperature in working chamber 10 is adjusted to normal temperature, chamber chamber door can be opened after pressure in working chamber 10 being adjusted to normal pressure by air interchanger, take out sample.Afterwards, can sample be overturn, repeat said process, make the apparent surface of sample in working chamber 10, accept ultraviolet irradiation, ozone aging test.
In sum, the environmental simulation test case that the utility model embodiment provides provides a kind of scheme that high/low temperature, infrabar, ozone, UV radiation four kinds of condition interactions are implemented in working chamber, completely relevantly can simulate the environment that the temperature of near space, pressure, ozone and ultraviolet are aging alternately, can be used for material atmospheric exposure test and durability test, the durability test of parts and the reliability testing etc. of complete machine of near space vehicle, for the research and development of near space vehicle, manufacture and residently provide reliable technical support.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. an environmental simulation test case, is characterized in that, comprising:
Casing, is formed with working chamber in the inside of described casing;
Heat-exchanger rig, is communicated with described working chamber with air outlet via air inlet, for changing the temperature of working chamber;
Vacuum generating device, is communicated with described working chamber via bleeding point, for reducing the air pressure of working chamber;
Ozone generating-device, is communicated with described working chamber via ozone outlet, for providing ozone gas to working chamber; And
Be positioned at sample mounting stage and the ultraviolet radiation lamp group of described working chamber, described sample mounting stage is for placing sample, and described ultraviolet radiation lamp group is used for sample described in irradiation.
2. environmental simulation test case according to claim 1, is characterized in that, the ozone outlet place of described ozone generating-device is provided with the ozone nozzle stretched out towards described sample.
3. environmental simulation test case according to claim 1, is characterized in that, described sample mounting stage is provided with ozone concentration detection device and/or UV intensity pick-up unit; Temperature-detecting device is provided with in described working chamber.
4. environmental simulation test case according to claim 1, is characterized in that, described sample mounting stage is provided with for clamping described sample and the fixture that can exert a force to described sample.
5. environmental simulation test case according to claim 4, is characterized in that, described fixture comprises at least one be selected from stretching, compression and alterante stress to sample force.
6. environmental simulation test case according to claim 1, is characterized in that, the UV radiation wavelength band of described ultraviolet radiation lamp group is 200 ~ 400nm, and radiation power is at 10 ~ 120W/m
2.
7. environmental simulation test case according to claim 1, is characterized in that, is provided with ultraviolet radiation lamp group protective cover in described working chamber.
8. environmental simulation test case according to claim 7, it is characterized in that, described ultraviolet radiation lamp group comprises multiple ultraviolet lamp tube be arranged on described working chamber roof, the horizontally disposed below in described ultraviolet radiation lamp group of described sample mounting stage, described ultraviolet radiation lamp group protective cover is be arranged on the glass division board between described ultraviolet radiation lamp group and described sample mounting stage.
9. environmental simulation test case according to claim 1, is characterized in that, also comprise: be connected with described casing and air interchanger for making the gas in described working chamber and outside air exchange.
10. environmental simulation test case according to any one of claim 1 to 9, it is characterized in that, also comprise: rotary power unit and the turning axle driven by described rotary power unit, described rotary power unit is connected with described casing, and described turning axle to extend in described working chamber and is connected with described sample mounting stage.
11. environmental simulation test casees according to any one of claim 1 to 9, it is characterized in that, described heat-exchanger rig comprises: the heat exchanging chamber being communicated with described air inlet and described air outlet, and is arranged in heat interchanger and the circulating fan of described heat exchanging chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764743.6U CN205015171U (en) | 2015-09-28 | 2015-09-28 | Simulated environment test case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764743.6U CN205015171U (en) | 2015-09-28 | 2015-09-28 | Simulated environment test case |
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| CN205015171U true CN205015171U (en) | 2016-02-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553775A (en) * | 2015-09-28 | 2017-04-05 | 东莞前沿技术研究院 | Environmental simulation test case and its environmental simulation method |
| CN107084920A (en) * | 2017-04-17 | 2017-08-22 | 苏州旭博检测服务有限公司 | A kind of ozone, illumination and vibration composite test device |
| CN108254304A (en) * | 2018-01-31 | 2018-07-06 | 天津大学 | A kind of near space ozone environment ground simulation method |
| CN110954764A (en) * | 2019-11-26 | 2020-04-03 | 西安微城信息科技有限公司 | Electronic product reliability detection device convenient to use |
| CN111089744A (en) * | 2019-10-25 | 2020-05-01 | 西安航天动力试验技术研究所 | Movable thermal environment device for ground heat insulation prevention test of aerospace craft |
-
2015
- 2015-09-28 CN CN201520764743.6U patent/CN205015171U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553775A (en) * | 2015-09-28 | 2017-04-05 | 东莞前沿技术研究院 | Environmental simulation test case and its environmental simulation method |
| CN106553775B (en) * | 2015-09-28 | 2024-02-23 | 深圳光启空间技术有限公司 | Environmental simulation test box and environmental simulation method thereof |
| CN107084920A (en) * | 2017-04-17 | 2017-08-22 | 苏州旭博检测服务有限公司 | A kind of ozone, illumination and vibration composite test device |
| CN108254304A (en) * | 2018-01-31 | 2018-07-06 | 天津大学 | A kind of near space ozone environment ground simulation method |
| CN111089744A (en) * | 2019-10-25 | 2020-05-01 | 西安航天动力试验技术研究所 | Movable thermal environment device for ground heat insulation prevention test of aerospace craft |
| CN111089744B (en) * | 2019-10-25 | 2022-03-11 | 西安航天动力试验技术研究所 | Movable thermal environment device for ground heat insulation prevention test of aerospace craft |
| CN110954764A (en) * | 2019-11-26 | 2020-04-03 | 西安微城信息科技有限公司 | Electronic product reliability detection device convenient to use |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230625 Address after: Room 501, Building D2, Songshan Lake International Innovation and Entrepreneurship Community, Songshan Lake High tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Dongguan Institute of Science and Technology Innovation Address before: 523000 Room 502, 5th floor, building 1, innovation and Technology Park, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: DONGGUAN FRONTIER TECHNOLOGY INSTITUTE Patentee before: SHENZHEN KUANG-CHI SPACE TECH. Co.,Ltd. |
|
| TR01 | Transfer of patent right |