CN107957392A - The inward-facing case heat radiation heating unit of box outer wall five in a kind of corrosion test chamber - Google Patents
The inward-facing case heat radiation heating unit of box outer wall five in a kind of corrosion test chamber Download PDFInfo
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- CN107957392A CN107957392A CN201610909015.9A CN201610909015A CN107957392A CN 107957392 A CN107957392 A CN 107957392A CN 201610909015 A CN201610909015 A CN 201610909015A CN 107957392 A CN107957392 A CN 107957392A
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- test chamber
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- corrosion test
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000007797 corrosion Effects 0.000 title claims abstract description 38
- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 230000005855 radiation Effects 0.000 title claims abstract description 23
- 238000002474 experimental method Methods 0.000 claims abstract description 34
- 150000003839 salts Chemical class 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 18
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000011780 sodium chloride Substances 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 13
- -1 acryl Chemical group 0.000 claims description 5
- 235000004443 Ricinus communis Nutrition 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims description 2
- 239000012267 brine Substances 0.000 abstract description 11
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 11
- 239000011157 advanced composite material Substances 0.000 abstract description 8
- 239000000243 solution Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000011002 quantification Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to parts technical field of measurement and test, more particularly to the inward-facing case heat radiation heating unit of box outer wall five in corrosion test chamber, salt spray device side therein is fixedly installed control system, and control system includes emergency stop switch, controller and peristaltic pump；Peristaltic pump is located between nozzle and external saline case；Five sides of front, rear, left and right and bottom are equipped with energy-saving low-temperature heat generating device outside case in the experiment of composite material corrosion test chamber, and energy-saving low-temperature heat generating device outer wrapping is equipped with heat-preservation cotton.This programme uses advanced composite material (ACM) babinet, and configuration design is beautiful；The brine of supply nozzle can be controlled into property accurate quantification using peristaltic pump, reach saving and use pure water and sodium chloride solution, economize on resources, environmental protection；It is evenly heated using the five internal case outer surfaces of face indirec radiation mode of heating into five faces of property, the good temperature uniformity of the temperature inside the box heating control performance is high.
Description
Technical field
The present invention relates to box outer wall five in parts technical field of measurement and test, more particularly to a kind of corrosion test chamber is inward-facing
Case heat radiation heating unit.
Background technology
Sample is placed in a repeatable Yan Wu ﹑ high by some present standards and automobile corrosion case and its test method requirement
In Shi Du ﹑ Di Shi Du ﹑ Gan Zao ﹑ low temperature, spray, immersion and the circulation of daily surrounding environment, these test methods use labor in the past
Move intensive manual program.
Salt fog refers to the disperse system being made of in air saliferous fine droplet, is one in artificial environment three proofings series
Kind, many enterprise products need to simulate ocean periphery weather destructiveness caused by product, so salt spray test chamber meets the tendency of and goes.Salt
Mist chamber is to detect the corrosion resistant reliability of sample by the way of salt air corrosion, by examination to material and its
The ability of the salt air corrosion of protective layer, and the processing quality of similar protective layer compare, while can examine some product salt fog resistances
The ability of corrosion, product are suitable for the salt air corrosion examination of parts, electronic component, the protective layer of metal material and industrial products
Test.
Traditional salt spray test chamber causes the Corrosion Resistant Reliability measuring accuracy of sample due to being related to unreasonable structure
It is not high, while traditional salt spray test chamber heating unit and mode majority are using electric furnace heating wire mode of heating outside the bottom of box, are led
It is big to send a telegraph source power, wastes electric power resource, heating rate is too fast, is easy to cause babinet quick aging, deforms, cracking.It is another
Traditional heating mode is used heats up water mode of heating in interior case, can cause etching extent calibration pH value and density decay, cause experiment to be lost
Effect.Another traditional heating mode is used carries out dry combustion method mode of heating with heater in interior case in interior case, can cause i.e. hot spot
Local temperature is excessive, and plasticity test product testing can cause product, and close to heating location, deformation of products, manually picking and placeing easily has peace
Full hidden danger.
The content of the invention
In view of above-mentioned technical problem, the present invention provides a kind of inward-facing case heat radiation of box outer wall five in corrosion test chamber to add
Thermal is to solve prior art defect.
The inward-facing case heat radiation heating unit of box outer wall five in a kind of corrosion test chamber, wherein, including：
The babinet formed, the babinet are combined by cover board, right sealing plate, outer container front panel, rear sealing plate, left sealing plate outside form
Inside it is provided with salt spray device；
The salt spray device has specifically included case in experiment, case inner bottom is provided with bracket, Yi Jigu in experiment
Surely two collection cups and product supporter on case inner bottom bracket in experiment are arranged on；The side wall of case in the experiment
On the nozzle that is additionally provided with nozzle fixed frame and is arranged on nozzle fixed frame；
The salt spray device side is further fixedly arranged on control system, the control system include emergency stop switch,
Controller and peristaltic pump；The peristaltic pump is arranged between nozzle and the external saline case；
A cylinder is each provided with the experiment on two sides of case face, outside the form described in cover board pressing
Cylinder is set；
Wherein, it is provided with energy-saving low-temperature hair in the experiment outside case on five sides of front, rear, left and right and bottom
Thermal, energy-saving low-temperature heat generating device outside parcel are provided with heat-preservation cotton.
Preferably, the inward-facing case heat radiation heating unit of box outer wall five in above-mentioned corrosion test chamber, wherein, it is described to regard
Outside window portion's cover board be equipped with can automatic open-close acryl transparent window plate.
Preferably, the inward-facing case heat radiation heating unit of box outer wall five in above-mentioned corrosion test chamber, wherein, further include
There is drainage arrangement；The drainage arrangement includes two collection cups, the osculum connected with the collection cups, and the osculum is set
In the rear on sealing plate.
Preferably, the inward-facing case heat radiation heating unit of box outer wall five in above-mentioned corrosion test chamber, wherein, it is described to regard
Hinge is provided with rear side of portion's cover board outside window, cover board is arranged on box top in the experiment by the hinge outside the form.
Preferably, the inward-facing case heat radiation heating unit of box outer wall five in above-mentioned corrosion test chamber, wherein, the examination
Test on rear side of interior case and be additionally provided with exhausting-gas hole, the exhausting-gas hole is connected with the cylinder.
Preferably, the inward-facing case heat radiation heating unit of box outer wall five in above-mentioned corrosion test chamber, wherein, the salt
Spray painting injection device is arranged on a side and leads in frame, and the side leads to frame bottom and is additionally provided with castor.
Above-mentioned technical proposal has the effect that：
Using advanced composite material (ACM) babinet, import mould using vacuum and be integrally formed, high-low temperature resistant, good corrosion resistance, length
Phase experiment casing is indeformable, and configuration design is beautiful；
The brine of supply nozzle can be controlled into property accurate quantification using peristaltic pump, reach saving and use pure water and chlorination
Sodium solution, economizes on resources, environmental protection；
It is evenly heated using outside the five internal box bodies of face indirec radiation mode of heating into five faces of property, the temperature inside the box heating
Control performance is good, and temperature uniformity is high, power saving, and experiment etching extent is up to standard, and collection measuring cup pH value is unattenuated, and brine density proportion is not
Decay.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent.Identical mark indicates identical part in whole attached drawings.Not can according to than
Example draws attached drawing, it is preferred that emphasis is shows the purport of the present invention.
Fig. 1 shows the overall structure figure of structure of the present invention；
Fig. 2 shows the positive side explosive view of structure of the present invention；
Fig. 3 shows the trailing flank explosive view of structure of the present invention；
Fig. 4 shows the structure diagram of cover board outside form of the present invention；
Fig. 5~Fig. 8 shows the five faces heating schematic layout pattern of corrosion test chamber of the present invention.
Embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings, but not as the limit of the present invention
It is fixed.
As shown in Figure 1, Figure 2 and Figure 3, the inward-facing case heat radiation heating unit tool of box outer wall five in corrosion test chamber of the present invention
Body structure includes：
Combine what is formed by cover board 1, right sealing plate 3, outer container front panel 6, rear sealing plate 19, left sealing plate 14 outside the form at top
Babinet, is provided with salt spray device in the babinet；
Salt spray device has specifically included case 0 in experiment, 0 inner bottom of case is provided with bracket 7 and fixes in experiment
It is arranged on two collection cups 5 and product supporter 17 on case inner bottom bracket in experiment；The side of case in the experiment
The nozzle 11 that nozzle fixed frame 12 is additionally provided with wall and is arranged on nozzle fixed frame；Set outside form on rear side of cover board
Hinge 18 is equipped with, cover board is arranged on box top in the experiment by the hinge outside the form.
The salt spray device side is further fixedly arranged on control system, the control system include emergency stop switch 4,
Controller 2 and peristaltic pump 20；The peristaltic pump is arranged between nozzle and the external saline case；Wherein, control system is used for
Control the keying of automatic open-close, peristaltic pump, the normal operation of drainage arrangement and the emergency reply of cover board outside form.
Wherein, drainage arrangement includes two collection cups, the osculum 16 connected with the collection cups, and osculum is arranged on rear sealing plate.
The present invention is saved due to can be controlled using peristaltic pump into property accurate quantification the brine of supply nozzle and uses pure water
And sodium chloride solution, economize on resources, environmental protection purpose.
A cylinder 10 is each provided with the experiment on two sides of case face, cover board presses institute outside the form
State cylinder setting；Exhausting-gas hole 15 is additionally provided with rear side of case in experiment, the exhausting-gas hole is connected with the cylinder.
Wherein, it is provided with energy-saving low-temperature fever dress in experiment outside case on five sides of front, rear, left and right and bottom
30 are put, parcel is provided with heat-preservation cotton outside energy-saving low-temperature heat generating device, it is preferred that the low-temperature heating device is heating wire, described
Parcel is provided with heat-preservation cotton outside heating wire, specifically the five faces heating layout signal of the corrosion test chamber as shown in Fig. 5~Fig. 8
Figure；Wherein Fig. 5 is that looking up for corrosion test chamber mode of heating heats layout, Fig. 6 is facing for corrosion test chamber mode of heating
Heating layout, Fig. 7 are that left view heating layout, Fig. 8 of corrosion test chamber mode of heating are corrosion test chamber mode of heatings
Three-dimensional heating layout.Five faces are carried out using five face indirec radiation mode of heatings by the inside case of interior box outer wall to be evenly heated, by
This temperature inside the box heating control performance is good, and temperature uniformity is high, power saving, and experiment etching extent is up to standard, and collection measuring cup pH value is unattenuated,
Brine density proportion is unattenuated.
In an embodiment of the present invention, outside form cover board be equipped with can automatic open-close acryl window board 13, such as Fig. 4
Shown, cover board concrete structure is as follows outside form in the embodiment of the present invention, includes acryl window board 13, form outside cover board
Main body 301 and form observation panel 401, wherein the acryl window board 13 is mainly by being arranged on cover plate main body outside form
On adhesive tape new A B glue bonds outside form on cover plate main body.
Further, salt spray device is arranged on a side and leads in frame 9, and the side leads to frame bottom and is additionally provided with castor
8, moved easy to this utility unit.
The inward-facing case heat radiation heating unit of box outer wall five is molten using saline solns or acid saliferous in this corrosion test chamber
Liquid, accelerated corrosion is carried out in the environment of certain temperature and opposite humidity to material or product, reappears material or product exists
The extent of the destruction being subjected in the range of certain time.Equipment can be used for the energy for examining the salt fog resistance of material and its protective layer to corrode
Power, and the processing quality of similar protective layer compare, and may also be used for examining the ability of some product salt fog resistance corrosion.Equipment energy
Any one temperature spot between reaching in experiment work space from 23 to 70 DEG C, and keep constant.In the case of specified volume
In vivo, salt fog, drying, damp and hot and storage test are carried out to material or product in the case that temperature, relative humidity are constant.This equipment
Internal and external pressure balance in design work, salt fog free settling in babinet, and it is adjustable to scope as defined in international standard.Experiment
In when blowing air program case lid automatically open up, to test period after be automatically closed, open case lid and use import cylinder, solenoid valve drive
It is dynamic, programme-control.Case lid is designed to 110 degree of optimal apex angles, and the condensed water for making to produce during experiment will not be dropped onto on sample
Result of the test is influenced, source of the gas can use compressed air.
Case lid material is advanced composite material (ACM), same corrosion-resistant, easy cleaning, without leakage, high temperature resistant.Can during experiment
To be clearly observed indoor Test condition without influencing result of the test from outside, and chamber door is sealed using sealing strip, is prevented
Only salt fog is excessive, and influences indoor miscellaneous equipment, in some instances it may even be possible to the injury caused by test operator.The spray testing of equipment
Meet 35 DEG C or 55 DEG C of the temperature inside the box, the brine tank of super large is placed in the left side of equipment, convenient to add brine and to brine tank
Cleaning, vast capacity at least can continuously spray 2 weeks, and brine liquid level can be clearly viewed at any time.
From above-described embodiment as can be seen that advantage of the invention is that：
Using advanced composite material (ACM) babinet, import mould using vacuum and be integrally formed, high-low temperature resistant, good corrosion resistance, length
Phase experiment casing is indeformable, and configuration design is beautiful；
The brine of supply nozzle can be controlled into property accurate quantification using peristaltic pump, reach saving and use pure water and chlorination
Sodium solution, economizes on resources, environmental protection；
It is evenly heated using five faces are carried out outside the internal case of five face indirec radiation mode of heatings, the temperature inside the box heating control
Performance is good, and temperature uniformity is high, power saving, and experiment etching extent is up to standard, and collection measuring cup pH value is unattenuated, and brine density proportion does not wane
Subtract.
It should be appreciated by those skilled in the art that those skilled in the art combine the prior art and above-described embodiment can be with
Realize the change case, this will not be repeated here.Such change case has no effect on the substantive content of the present invention, not superfluous herein
State.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this area
Apply；Any those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this has no effect on the substantive content of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit of the present invention still falls within the present invention to any simple modifications, equivalents, and modifications made for any of the above embodiments
In the range of technical solution protection.
Claims (6)
- A kind of 1. inward-facing case heat radiation heating unit of box outer wall five in corrosion test chamber, it is characterised in that including：The babinet formed is combined by cover board, right sealing plate, outer container front panel, rear sealing plate, left sealing plate outside form, is set in the babinet It is equipped with salt spray device；The salt spray device has specifically included case in experiment, case inner bottom is provided with bracket in experiment and fixation is set Put two collection cups and product supporter on case inner bottom bracket in experiment；On the side wall of case in the experiment also The nozzle for being provided with nozzle fixed frame and being arranged on nozzle fixed frame；The salt spray device side is further fixedly arranged on control system, and the control system includes emergency stop switch, control Device and peristaltic pump；The peristaltic pump is arranged between nozzle and the external saline case；A cylinder is each provided with the experiment on two sides of case face, cover board presses the cylinder outside the form Set；Wherein, it is provided with energy-saving low-temperature fever dress in the experiment outside case on five sides of front, rear, left and right and bottom Put, parcel is provided with heat-preservation cotton outside the energy-saving low-temperature heat generating device.
- 2. the inward-facing case heat radiation heating unit of box outer wall five, its feature exist in corrosion test chamber according to claim 1 In, outside the form cover board be equipped with can automatic open-close acryl transparent window plate.
- 3. the inward-facing case heat radiation heating unit of box outer wall five, its feature exist in corrosion test chamber according to claim 1 In having further included drainage arrangement；The drainage arrangement includes two collection cups, the osculum connected with the collection cups, described Osculum is set in the rear on sealing plate.
- 4. the inward-facing case heat radiation heating unit of box outer wall five, its feature exist in corrosion test chamber according to claim 1 In cover board rear side is provided with hinge outside the form, and cover board is arranged on the experiment by the hinge outside the form Interior box top.
- 5. the inward-facing case heat radiation heating unit of box outer wall five, its feature exist in corrosion test chamber according to claim 1 In case rear side is additionally provided with exhausting-gas hole in the experiment, and the exhausting-gas hole is connected with the cylinder.
- 6. the inward-facing case heat radiation heating unit of box outer wall five, its feature exist in corrosion test chamber according to claim 1 In the salt spray device is arranged on a side and leads in frame, and the side leads to frame bottom and is additionally provided with castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909015.9A CN107957392A (en) | 2016-10-18 | 2016-10-18 | The inward-facing case heat radiation heating unit of box outer wall five in a kind of corrosion test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909015.9A CN107957392A (en) | 2016-10-18 | 2016-10-18 | The inward-facing case heat radiation heating unit of box outer wall five in a kind of corrosion test chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107957392A true CN107957392A (en) | 2018-04-24 |
Family
ID=61954286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610909015.9A Pending CN107957392A (en) | 2016-10-18 | 2016-10-18 | The inward-facing case heat radiation heating unit of box outer wall five in a kind of corrosion test chamber |
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| Country | Link |
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| CN (1) | CN107957392A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806708A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Large-space alternative salt fog testing system |
| CN204165882U (en) * | 2014-10-22 | 2015-02-18 | 张烨 | Salt spray tester |
| CN105699283A (en) * | 2016-04-20 | 2016-06-22 | 上海林频仪器股份有限公司 | Combined salt-spray corrosion test box |
| CN205435770U (en) * | 2016-03-30 | 2016-08-10 | 上海热策电子科技有限公司 | Novel proof box of nonmetallic composite material comdenstion water |
| CN206114492U (en) * | 2016-10-18 | 2017-04-19 | 上海热策电子科技有限公司 | Corrosion test incasement case outer wall no. 5 is towards hot radiation heating device of inner box |
-
2016
- 2016-10-18 CN CN201610909015.9A patent/CN107957392A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806708A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Large-space alternative salt fog testing system |
| CN204165882U (en) * | 2014-10-22 | 2015-02-18 | 张烨 | Salt spray tester |
| CN205435770U (en) * | 2016-03-30 | 2016-08-10 | 上海热策电子科技有限公司 | Novel proof box of nonmetallic composite material comdenstion water |
| CN105699283A (en) * | 2016-04-20 | 2016-06-22 | 上海林频仪器股份有限公司 | Combined salt-spray corrosion test box |
| CN206114492U (en) * | 2016-10-18 | 2017-04-19 | 上海热策电子科技有限公司 | Corrosion test incasement case outer wall no. 5 is towards hot radiation heating device of inner box |
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Application publication date: 20180424 |