CN107024424B - A kind of environment test device - Google Patents
A kind of environment test device Download PDFInfo
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- CN107024424B CN107024424B CN201710228611.5A CN201710228611A CN107024424B CN 107024424 B CN107024424 B CN 107024424B CN 201710228611 A CN201710228611 A CN 201710228611A CN 107024424 B CN107024424 B CN 107024424B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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Abstract
The present invention provides a kind of environment test devices, including chamber (3), environment adjustment system (1) and air duct (15), the chamber (3) and the environment adjustment system (1) subregion are set to the air duct (15) two sides, and it is interconnected by the air duct (15), and pressure release portion (9) are additionally provided in the chamber (3)；The air duct (15) includes exhaust air flue (2) and return airway (4), and collectively forms a closed circulatory system with the environment adjustment system (1) and the chamber (3)；The pressure release portion (9) includes the partition (19) of the pressure relief opening (18) and seal that are opened on the chamber (3) at pressure relief opening (18).Using environment test device provided by the invention, can either stability contorting experimental condition, and can ensure that the safety of the accuracy and environmental test of environmental test result, at the same can also using electricity wisely, reduce energy consumption.
Description
Technical field
The present invention relates to the environmental test field of industrial and mining products and military supplies, specifically a kind of environment test devices.
Background technique
During testing all kinds of industrial and mining products and military supplies performance (such as reliability, against weather), it usually needs
Environmental test is carried out in specific equipment, such as carries out in environmental test chamber or environment test device hot environment test, low
Temperature environmental testing or hygrothermal environment test；Existing environmental test equipment is usually by environment adjustment system, places test specimen
Chamber and air duct are constituted, and are additionally provided with the lighting apparatus of 220V in chamber, such as high-temperature test chamber, low-temperature test chamber, wet
Wet heating testing case and low temperature impact test box；Although these testing equipments have it is compact-sized, it is easily controllable and easy for installation
The characteristics of, but the accuracy of test result is poor, and is carrying out inflammable, explosive dangerous industrial and mining products or playing the military supplies such as arrow
Environmental test when, danger coefficient is high, and security performance is poor, such as is easy to ignite during the test or blasting test sample,
Once exploding, test specimen is not only damaged, it is also possible to can thoroughly damage whole testing equipment, cause biggish economic damage
It loses, it is also possible to which more serious injury is caused to personnel.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of test result accuracy is good, and
The environment test device having a safety feature.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of environment test device, including chamber,
Environment adjustment system and air duct, it is characterised in that: chamber and environment adjustment system subregion are arranged in air duct two sides, and pass through wind
Road is interconnected, and pressure release portion is additionally provided in chamber；
Wherein, air duct includes exhaust air flue and return airway, and collectively forms one with environment adjustment system and chamber
The closed circulatory system；Pressure release portion includes the partition of the pressure relief opening being opened in chamber and seal at pressure relief opening.
Chamber and environment adjustment system subregion are arranged in above-mentioned technical proposal, and pass through pressure release portion and closed cyclic system
It unites composing environment experimental rig, it can either stability contorting experimental condition, it is ensured that the accuracy of environmental test result, and can be effective
It improves environment test device and tests the safety of process, while the durability of environment test device can also be improved.
Preferably, above-mentioned pressure release portion is arranged in the middle part of chamber top surface.
It is highly preferred that the area of above-mentioned pressure relief opening is the 25- 50% of test box body top surface area.
For the safety for further increasing environment test device of the present invention, explosion-proof steel cage is equipped with above pressure relief opening.
For the safety for further improving environment test device of the present invention, set between environment adjustment system and chamber
It is equipped with blast wall, exhaust air flue is each passed through blast wall with return airway and is connected to environment adjustment system and chamber.
For the accuracy for further increasing environment test device test result of the present invention, air duct is fluoroplastics air duct；It is preferred that
Polytetrafluoroethylene (PTFE) air duct.
Fluoroplastics air duct refers to by polytetrafluoroethylene (PTFE) (PTFE), perfluoroethylenepropylene (FEP) copolymer, gathers entirely in the present invention
Fluoroalkyloxy (PFA) resin, polytrifluorochloroethylene (PCTFF), one chlorotrifluoroethylene of ethylene (ECTFE), ethylene one or four
Wind made of one or more of vinyl fluoride (ETFE) copolymer, Kynoar (PVDF) or polyvinyl fluoride (PVF) material
Road, polytetrafluoroethylene (PTFE) air duct refer to the air duct made of polytetrafluoroethylene material, and heretofore described fluoroplastics air duct and poly-
The fire-protection rating in tetrafluoroethene air duct is UL94V0 grades (fire-protection ratings of material in Unite States Standard).
For the accuracy for further improving environment test device test result of the present invention, the wind path wall in fluoroplastics air duct is
Sandwich, including internal layer wind path wall and outer layer wind path wall, and mineral wool is equipped between internal layer wind path wall and outer layer wind path wall
Or the polyurethane of foamed processing.
Further, the siding of chamber is battenboard, including inner plating and lamina rara externa, inner plating are stainless steel plate, outside
Laminate is galvanized steel plain sheet, and foamed processed polyurethane is equipped between inner plating and lamina rara externa.
The invention has the benefit that chamber and environment adjustment system subregion are arranged the present invention, and pass through pressure release portion
With closed circulatory system composing environment experimental rig, have a safety feature, not only can timely pressure release, but also can effectively guide air-flow
Release direction；Environment test device of the present invention can either avoid environment adjustment system and examination by the connection ventilation of fluoroplastics air duct
Tryoff interferes with each other, for example, in the factors on test case such as avoid the vibration of environment adjustment system, noise test specimen cause it is unfavorable
It influences, and can be effectively prevented caused by equipment leakage and electric spark and fire danger, further improve environment examination of the present invention
The safety of experiment device；It is provided with blast wall between chamber and environment adjustment system, also there is preferable explosion-proof performance.
Environment test device of the present invention uses interlayer air duct and circulating ventilation mode, can either accurate Control experiment condition,
Experiment work efficiency is improved, and can reduce influence of the ambient temperature to experimental rig interior environment temperature, it is ensured that environment
The accuracy of test result, at the same can also using electricity wisely, reduce energy consumption.
Environment test device of the present invention to design and manufacture difficulty low, it is easy to implement, on the basis of conventional environment chamber
On, slightly change can be realized, convenient to be applicable in.
Detailed description of the invention
Fig. 1 is the schematic diagram of environment test device of the present invention；
Fig. 2 is the structural schematic diagram of environment test device of the present invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural schematic diagram in air duct 15 in embodiment 1；
Fig. 5 is exhaust air flue or the side schematic view of return airway in Fig. 4；
Fig. 6 is exhaust air flue or the side schematic view of return airway in embodiment 2；
Fig. 7 is the structural schematic diagram of the siding of environment test device chamber 3 of the present invention；
Fig. 8 is the structural schematic diagram in environment test device pressure release of the present invention portion 9.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, it is pointed out here that following embodiment cannot manage
Solution is limiting the scope of the invention, and those of ordinary skill in the art's content according to the present invention is made some nonessential
Modifications and adaptations all fall in the scope of protection of the present invention.Heretofore described left, first-class orientation is to be with the direction towards attached drawing
It is quasi-.
Embodiment 1:
As shown in Figs. 1-5, a kind of environment test device, including specification are 3.2m*1.2m*1.5m(long * wide * high=3.2m*
Chamber 3 1.2m*1.5m) is highly the environment adjustment system 1 of 1.5m and air duct 15, chamber 3 and environment adjustment system 1
Subregion is symmetricly set on the two sides in air duct 15, and is interconnected by air duct 15；
The refrigeration compressor that two power are 5.5kW is mainly installed in 1 inside of environment adjustment system, a set of power is
The armouring stainless steel heating tube of 24kW, a set of stainless steel armouring humidifier and controls electric component accordingly；Environment adjusts system
The left side (left side in Fig. 2) of system 1 is connected with service cable 10；The upper surface of environment adjustment system 1 is equipped with one group of (this hair
Two are refered in particular to for one group in bright) centrifugal blower 5；
Pressure release portion 9 is provided in the middle part of the top surface of chamber 3, as shown in figure 8, it is 1.36 ㎡ that pressure release portion 9, which includes area,
The pressure relief opening 18 of (long * wide=1.7m*0.8m) and partition 19 by silicon rubber seal at pressure relief opening 18, partition 19 are hard
Polyurethane thermal insulation board；In addition, being also equipped with explosion-proof steel cage 6 above pressure relief opening 18.
In 3 left side wall of chamber, and it is lower than at 3 inner wall top surface 10cm of chamber and is provided with a rectangle air port；It is testing
3 left side wall of case, and be higher than at 3 inner wall bottom surface 10cm of chamber and be also equipped with a rectangle air port；On 1 right side of environment adjustment system
Wall, and the air port equal-height position with chamber 3 are provided with two rectangle air ports identical with aforementioned air port, each air port and air duct
15 match, i.e. the radial section in air duct 15 is also rectangular.
Air duct 15 includes exhaust air flue 2 and return airway 4；The both ends of exhaust air flue 2 pass through air channel flange 11 respectively and connect
On the air port at chamber 3 and 1 inner wall top surface of environment adjustment system, the both ends of return airway 4 pass through air channel flange 11 respectively
It is connected on the air port at chamber 3 and 1 inner wall bottom surface of environment adjustment system.During air duct 15 are installed, it should be noted that micro-
The depth of parallelism of exhaust air flue 2 Yu return airway 4 is mixed up, and air channel flange 11 is sealed using silicone rubber O-ring, it is ensured that air duct
15 collectively form a closed circulatory system with environment adjustment system 1 and chamber 3.
For the safety for further increasing environment test device of the present invention, pacify between environment adjustment system 1 and chamber 3
Equipped with blast wall 14, the specification of blast wall is 3 m *, 0.5 m * 2.5m (long 0.5 m * 2.5m of the m of * wide * high=3 *), outlet air
Air duct 2 is each passed through blast wall 14 with return airway 4 and is connected to environment adjustment system 1 and chamber 3.
The wind path wall in aforementioned air duct 15 is made of UL94V0 grades of polytetrafluoroethylene (PTFE), including internal layer wind path wall 13
With outer layer wind path wall 12, the spacing of internal layer wind path wall 13 and outer layer wind path wall 12 is 15cm, and in internal layer wind path wall 13 and outer layer
Heat-protecting glass cotton is installed between wind path wall 12.
As shown in fig. 7, the siding of chamber 3 is battenboard, including inner plating 16 and lamina rara externa 17, inner plating 16 is through blunt
Change the 316L stainless steel materials of processing, lamina rara externa 17 is the galvanized steel plain sheet handled through plastic-spraying, between inner plating 16 and lamina rara externa 17
Spacing be 20cm, and between inner plating 16 and lamina rara externa 17 be equipped with foamed processed polyurethane.
For convenience of use, no glass window is installed in the right side (right side of Fig. 2 in the present invention) of chamber 3
Chamber door is additionally provided with fairlead 7 on the side wall of chamber；It is also equipped in 3 rear side of chamber (top of Fig. 3 in the present invention)
Explosion-proof weak current box 8, for further increasing the safety of environment test device.For convenience of illumination, can be installed inside chamber 3
Low pressure (being lower than 24V) headlamp, but headlamp need to be shielded using stainless steel cloth；3 surfaces externally and internally of chamber should be using electricity
Gas connection, and the electrical equipment more than 24V is not installed, while to take grounding measures, ground resistance is not more than 4 ohm.
Environment test device operating method and principle of the present invention: test specimen is placed in chamber 3, according to required test
Condition sets test parameters, and environment adjustment system 1 requires to adjust air epidemic disaster according to control, using centrifugal blower 5 by the sky
Gas is sent into chamber 3 by exhaust air flue 2, and air flows through sample surfaces after entering chamber 3, and is returned by return airway 4
It flow in environment adjustment system 1, so on circulate, in conjunction with the effect in air duct 15 in experimental rig, so that in chamber 3
Air continues, stable flows through test specimen surface, it is ensured that the accuracy of test result.Occurs fortuitous event during test
When, the pressure release portion 9 that the pressure in experimental rig first passes through 3 top of chamber carries out pressure release, and carries out sky in conjunction with air duct 15
Gas drainage, while having the isolation of blast wall 14 again, effectively ensure the safety of equipment and personnel.
Embodiment 2:
As shown in Figure 1-3, a kind of environment test device, including specification are 3.2m*1.2m*1.5m(long * wide * high=3.2m*
Chamber 3 1.2m*1.5m) highly divides with environment adjustment system 1 for the environment adjustment system 1 of 1.5m and air duct 2, chamber 3
Area is symmetricly set on the two sides in air duct 15, and is interconnected by air duct 15；
The refrigeration compressor that two power are 5.5kW is mainly installed in 1 inside of environment adjustment system, a power is
The armouring stainless steel heating tube of 24kW, a set of stainless steel armouring humidifier and controls electric component accordingly；Environment adjusts system
The left side (left side in Fig. 2) of system 1 is connected with service cable 10；The upper surface of environment adjustment system 1 is equipped with one group of centrifugation
Blower 5.
Pressure release portion 9 is provided in the middle part of the upper surface of chamber 3, as shown in figure 8, it is 1.92 ㎡ that pressure release portion 9, which includes area,
The pressure relief opening 18 of (long * wide=1.92m*1m) and hard polyaminoester thermal insulation board 19 by silicon rubber seal at pressure relief opening 18；This
Outside, explosion-proof steel cage 6 is also equipped with above pressure relief opening 18.
In 3 left side wall of chamber, and it is lower than at 3 inner wall top surface 10cm of chamber and is provided with a round air port；It is testing
3 left side wall of case, and be higher than at 3 inner wall bottom surface 10cm of chamber and be also equipped with a round air port；On 1 right side of environment adjustment system
Wall, and the air port equal-height position with chamber 3 are provided with two identical with aforementioned air port round air ports, each air port and air duct
15 match, i.e. the radial section in air duct 15 is also in rounded shape.
Air duct 15 includes exhaust air flue 2 and return airway 4；The both ends of exhaust air flue 2 pass through air channel flange 11 respectively and connect
On the air port at chamber 3 and 1 inner wall top surface of environment adjustment system, the both ends of return airway 4 pass through air channel flange 11 respectively
It is connected on the air port at chamber 3 and 1 inner wall bottom surface of environment adjustment system.During air duct 15 are installed, it should be noted that micro-
The depth of parallelism of exhaust air flue 2 Yu return airway 4 is mixed up, and air channel flange 11 is sealed using silicone rubber O-ring, it is ensured that air duct
15 collectively form a closed circulatory system with environment adjustment system 1 and chamber 3；
For the safety for further increasing environment test device of the present invention, pacify between environment adjustment system 1 and chamber 3
Equipped with blast wall 14, the specification of blast wall is 3 m *, 0.5 m * 2.5m (long 0.5 m * 2.5m of the m of * wide * high=3 *), outlet air wind
Road 2 is each passed through blast wall 14 with return airway 4 and is connected to environment adjustment system 1 and chamber 3.
As shown in fig. 6, the wind path wall in aforementioned air duct 15 is made of UL94V0 grades of Kynoar (PVDF), including interior
The spacing of layer wind path wall 13 and outer layer wind path wall 12, internal layer wind path wall 13 and outer layer wind path wall 12 is 10cm, and in internal layer air duct
The polyurethane of foamed processing is installed between wall 13 and outer layer wind path wall 12.
As shown in fig. 7, the siding of chamber 3 is battenboard, including inner plating 16 and lamina rara externa 17, inner plating 16 is through blunt
Change the 316L stainless steel materials of processing, lamina rara externa 17 is the galvanized steel plain sheet handled through plastic-spraying, between inner plating 16 and lamina rara externa 17
Spacing be 25cm, and between inner plating 16 and lamina rara externa 17 be equipped with foamed processed polyurethane.
For convenience of use, no glass window is installed in the right side (right side of Fig. 2 in the present invention) of chamber 3
Chamber door is additionally provided with fairlead 7 on the side wall of chamber；It is also equipped in 3 rear side of chamber (top of Fig. 3 in the present invention)
Explosion-proof weak current box 8, for further increasing the safety of environment test device.For convenience of illumination, can be installed inside chamber 3
Low pressure (being lower than 24V) headlamp, but headlamp need to be shielded using stainless steel cloth；3 surfaces externally and internally of chamber should be using electricity
Gas connection, and the electrical equipment more than 24V is not installed, while to take grounding measures, ground resistance is not more than 4 ohm.
Environment test device operating method and principle of the present invention: test specimen is placed in chamber 3, according to required test
Condition sets test parameters, and environment adjustment system 1 requires to adjust air epidemic disaster according to control, using centrifugal blower 5 by the sky
Gas is sent into chamber 3 by exhaust air flue 2, and air flows through sample surfaces after entering chamber 3, and is returned by return airway 4
It flow in environment adjustment system 1, so on circulate, in conjunction with the effect in air duct 15 in experimental rig, so that in chamber 3
Air continues, stable flows through test specimen surface, it is ensured that the accuracy of test result.Occurs fortuitous event during test
When, the pressure release portion 9 that the pressure in experimental rig first passes through 3 top of chamber carries out pressure release, and carries out sky in conjunction with air duct 15
Gas drainage, while having the isolation of blast wall 14 again, effectively ensure the safety of equipment and personnel.
Embodiment 3:
As shown in Figs. 1-5, a kind of environment test device, including specification are 3.2m*1.2m*1.5m(long * wide * high=3.2m*
Chamber 3 1.2m*1.5m) is highly the environment adjustment system 1 of 1.5m and air duct 15, chamber 3 and environment adjustment system 1
Subregion is symmetricly set on the two sides in air duct 15, and is interconnected by air duct 15；
The refrigeration compressor that two power are 5.5kW is mainly installed in 1 inside of environment adjustment system, a set of power is
The armouring stainless steel heating tube of 24kW, a set of stainless steel armouring humidifier and controls electric component accordingly；Environment adjusts system
The left side (left side in Fig. 2) of system 1 is connected with service cable 10；The upper surface of environment adjustment system 1 is equipped with one group of (this hair
Two are refered in particular to for one group in bright) centrifugal blower 5；
The right flank middle part of chamber 3 is provided with pressure release portion 9, as shown in figure 8, it is 1 ㎡ (long * that pressure release portion 9, which includes area,
Width=1m*0.96m) pressure relief opening 18 and partition 19 by silicon rubber seal at pressure relief opening 18, partition 19 be hard polyaminoester
Thermal insulation board；In addition, being also equipped with explosion-proof steel cage 6 above pressure relief opening 18.
In 3 left side wall of chamber, and it is lower than at 3 inner wall top surface 10cm of chamber and is provided with a rectangle air port；It is testing
3 left side wall of case, and be higher than at 3 inner wall bottom surface 10cm of chamber and be also equipped with a rectangle air port；On 1 right side of environment adjustment system
Wall, and the air port equal-height position with chamber 3 are provided with two rectangle air ports identical with aforementioned air port, each air port and air duct
15 match, i.e. the radial section in air duct 15 is also rectangular.
Air duct 15 includes exhaust air flue 2 and return airway 4；The both ends of exhaust air flue 2 pass through air channel flange 11 respectively and connect
On the air port at chamber 3 and 1 inner wall top surface of environment adjustment system, the both ends of return airway 4 pass through air channel flange 11 respectively
It is connected on the air port at chamber 3 and 1 inner wall bottom surface of environment adjustment system.During air duct 15 are installed, it should be noted that micro-
The depth of parallelism of exhaust air flue 2 Yu return airway 4 is mixed up, and air channel flange 11 is sealed using silicone rubber O-ring, it is ensured that air duct
15 collectively form a closed circulatory system with environment adjustment system 1 and chamber 3.
For the safety for further increasing environment test device of the present invention, pacify between environment adjustment system 1 and chamber 3
Equipped with blast wall 14, the specification of blast wall is 3 m *, 0.5 m * 2.5m (long 0.5 m * 2.5m of the m of * wide * high=3 *), outlet air
Air duct 2 is each passed through blast wall 14 with return airway 4 and is connected to environment adjustment system 1 and chamber 3.
The wind path wall in aforementioned air duct 15 is made of UL94V0 grades poly- perfluoro alkoxy (PFA) resin, including internal layer wind
The spacing of road wall 13 and outer layer wind path wall 12, internal layer wind path wall 13 and outer layer wind path wall 12 is 15cm, and in internal layer wind path wall 13
Heat-protecting glass cotton is installed between outer layer wind path wall 12.
As shown in fig. 7, the siding of chamber 3 is battenboard, including inner plating 16 and lamina rara externa 17, inner plating 16 is through blunt
Change the 316L stainless steel materials of processing, lamina rara externa 17 is the galvanized steel plain sheet handled through plastic-spraying, between inner plating 16 and lamina rara externa 17
Spacing be 20cm, and between inner plating 16 and lamina rara externa 17 be equipped with foamed processed polyurethane.
For convenience of use, no glass window is installed in the main-vision surface (main-vision surface of Fig. 2 in the present invention) of chamber 3
Chamber door is additionally provided with fairlead 7 on the side wall of chamber；It is also equipped in 3 rear side of chamber (top of Fig. 3 in the present invention)
Explosion-proof weak current box 8, for further increasing the safety of environment test device.For convenience of illumination, can be installed inside chamber 3
Low pressure (being lower than 24V) headlamp, but headlamp need to be shielded using stainless steel cloth；3 surfaces externally and internally of chamber should be using electricity
Gas connection, and the electrical equipment more than 24V is not installed, while to take grounding measures, ground resistance is not more than 4 ohm.
Environment test device operating method and principle of the present invention: test specimen is placed in chamber 3, according to required test
Condition sets test parameters, and environment adjustment system 1 requires to adjust air epidemic disaster according to control, using centrifugal blower 5 by the sky
Gas is sent into chamber 3 by exhaust air flue 2, and air flows through sample surfaces after entering chamber 3, and is returned by return airway 4
It flow in environment adjustment system 1, so on circulate, in conjunction with the effect in air duct 15 in experimental rig, so that in chamber 3
Air continues, stable flows through test specimen surface, it is ensured that the accuracy of test result.Occurs fortuitous event during test
When, the pressure release portion 9 that the pressure in experimental rig first passes through 3 top of chamber carries out pressure release, and carries out sky in conjunction with air duct 15
Gas drainage, while having the isolation of blast wall 14 again, effectively ensure the safety of equipment and personnel.
Claims (4)
1. a kind of environment test device, including chamber (3), environment adjustment system (1) and air duct (15), it is characterised in that: institute
It states chamber (3) and the environment adjustment system (1) subregion is set to the air duct (15) two sides, and pass through the air duct (15)
It is interconnected, and is additionally provided with pressure release portion (9) in the chamber (3)；
The air duct (15) includes exhaust air flue (2) and return airway (4), and with the environment adjustment system (1) and the examination
Tryoff (3) collectively forms a closed circulatory system；
The pressure release portion (9) includes the pressure relief opening (18) being opened on the chamber (3) and seal at pressure relief opening (18)
Partition (19);The area of the pressure relief opening (18) is 50 % of 25- of the chamber (3) box top area;In the pressure release
Explosion-proof steel cage (6) is had additional above portion (9);
The air duct (15) is fluoroplastics air duct, and the fluoroplastics air duct is polytetrafluoroethylene (PTFE) air duct；The fluoroplastics air duct
Wind path wall is sandwich, including internal layer wind path wall (13) and outer layer wind path wall (12), and in internal layer wind path wall (13) and outer layer
The polyurethane of mineral wool or foamed processing is equipped between wind path wall (12).
2. environment test device according to claim 1, it is characterised in that: the pressure release portion (9) is arranged in the test
In the middle part of case (3) top surface.
3. environment test device according to claim 1 or 2, it is characterised in that: in the environment adjustment system (1) and institute
It states and is provided between chamber (3) blast wall (14), the exhaust air flue (2) is each passed through explosion-proof with the return airway (4)
Wall (14) is simultaneously connected to the environment adjustment system (1) and the chamber (3).
4. environment test device according to claim 3, it is characterised in that: the siding of the chamber (3) is battenboard,
Including inner plating (16) and lamina rara externa (17), inner plating (16) is stainless steel plate, and lamina rara externa (17) is galvanized steel plain sheet, and in internal layer
Foamed processed polyurethane is equipped between plate (16) and lamina rara externa (17).
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| CN201710228611.5A CN107024424B (en) | 2017-04-10 | 2017-04-10 | A kind of environment test device |
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| CN201710228611.5A CN107024424B (en) | 2017-04-10 | 2017-04-10 | A kind of environment test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107941568B (en) * | 2017-12-26 | 2023-11-24 | 天津航天瑞莱科技有限公司 | Sampling system for gas in explosive atmosphere test box |
| CN108279162B (en) * | 2018-01-31 | 2020-09-15 | 中国兵器工业第五九研究所 | Rubber sealing ring pressure loading device and pressure loading test method |
| CN110108967A (en) * | 2019-06-12 | 2019-08-09 | 中国兵器工业第五九研究所 | A kind of four combined environment test devices |
| CN112985768B (en) * | 2021-03-22 | 2023-09-29 | 广州斯派克环境仪器有限公司 | Optical system high-low temperature test device |
| CN113916764B (en) * | 2021-10-28 | 2023-11-21 | 江苏亚标检测技术服务有限公司 | Xenon lamp aging test box capable of reducing temperature |
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