CN206362681U - A kind of salt spray test machine air circulation system - Google Patents
A kind of salt spray test machine air circulation system Download PDFInfo
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- CN206362681U CN206362681U CN201621414546.2U CN201621414546U CN206362681U CN 206362681 U CN206362681 U CN 206362681U CN 201621414546 U CN201621414546 U CN 201621414546U CN 206362681 U CN206362681 U CN 206362681U
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Abstract
Originally it is new to disclose a kind of salt spray test machine air circulation system, include the admission line and discharge duct of outer bellows, test box and the outer bellows of connection and test box, the electromagnetic valve for controlling correspondence pipeline break-make is set on admission line and discharge duct, connection/cut-off of outer bellows and test box is controlled;Exogenous wind case includes internal box and shell body, heating component, cooling assembly and humidification device assembly are installed in shell body, the moisture that the cold air and humidification device assembly that hot blast that heating component is produced, cooling assembly are produced are produced sucked by the first supply fan and first exhaust fan that are located on internal box/discharge internal box, the second supply fan and second exhaust fan are also set on internal box, when two electromagnetic valves are opened, air in internal box is sent into test box by second exhaust fan, and the second supply fan suctions out the air in test box to internal box.This new air circulation system supplies gas smooth, ensures that outer bellows have long service life and ensure the accuracy rate of test.
Description
Technical field
The utility model is related to testing equipment field, especially a kind of salt spray test machine air circulation system.
Background technology
Corrosion is the destruction caused by the presence of environment or rotten of material or its performance.Most corrosion occurs big
In compression ring border, corrosion composition and the corrosion factors such as oxygen, humidity, temperature change and pollutant are contained in air.Salt air corrosion is just
It is the atmospheric corrosion of a kind of common and most destructive.Corrosion of the salt fog to metal material surface be due to containing chlorion
The oxide layer and overcoat and interior metal for penetrating metal surface occur caused by electrochemical reaction.Meanwhile, chlorion contains one
Fixed hydration energy, is easily attracted to the hole of metal surface, crack and squeezes and replace the oxygen in chlorination layer, insoluble oxidation
Thing becomes soluble chloride, passivation state surface is become nonreactive surfaces, causes to product extremely bad adverse reaction.
Therefore, in current art, generally require to carry out corrosion resistance test to the product that production is completed, therefore just have salt
Mist tests this technology, and so-called salt spray test is manual simulation's salt mist environment that a kind of main utilization salt spray test equipment is created
Condition examines the environmental test of product or metal material decay resistance, and it is divided into two major classes, and a class is natural surroundings exposure
Experiment, another kind of is artificial speeding-up simulation salt mist environmental test.Manual simulation's salt mist environmental test is that have necessarily using a kind of
The testing equipment of volume space -- salt spray test chamber, the method in its volume space manually causes salt mist environment to come to production
The salt spray corrosion resistance quality of product is examined.It is compared with natural surroundings, and the salinity of the chloride of its salt mist environment can
To be several times or tens times of general natural surroundings salt fog content, corrosion rate is greatly improved, salt spray test is carried out to product,
The time obtained a result also greatly shortens.Such as certain outturn sample is tested under Natural Exposure environment, treats that its corrosion may
1 year is taken, and is tested under the conditions of manual simulation's salt mist environment, as long as 24 hours, that is, it can obtain similar result.
The raising of requirement with the renewal and people of technological revolution to product quality, using salt spray test chamber to product
It is also the requisite measure for ensureing product quality to carry out corrosion-resistant test.Therefore, high requirement is it is also proposed to salt spray test chamber, it is existing
It is the demand of all kinds of salt spray tests of meeting to have in technology, devises various types of salt spray test chambers, and the matter of salt spray test chamber
The quality of amount is sad related to its air circulation system, and it is each that good air circulation system can guarantee that Multifunctional salt fog test box is carried out
Item test accuracy, the service life of guarantee test case.
But the deficiency that the air circulation system of existing Multifunctional salt fog test box is present is, the air circulation system of chamber
System is the interior circulation used, i.e. its circulatory system is formed in inside chamber, and salt spray test chamber is carrying out salt spray test
When carrying out the experiment such as humiture or high/low temperature again afterwards, the salt fog of residual can be circulated among internal circulation system, and salt fog can be with following
Ring and enter refrigeration system or heating system, corrode corresponding equipment, and when carrying out the test outside salt spray test again, residual
Salt fog the circulatory system can be followed to back flow back into chamber and influence follow-up test result and testing efficiency, for example, salt fog examination
Need to carry out Humidity Test after testing, the salt fog of residual can mix the cold heat air produced by chamber and be admitted to examination in wet wind
Tryoff, temperature and humidity test is affected.
Therefore, the problem of a new air circulation system is urgent need to resolve is designed for salt spray test chamber.
Utility model content
The technical problem of solution of the present utility model is the defect for above-mentioned presence of the prior art, provides a kind of salt
Mist test machine air circulation system, the air circulation system uses outer circulation, will be used for the portion for producing cold heat air and moisture
It is placed in outside test box, makes salt spray test machine that there is test effect well, and the service life of enhancing salt spray test machine.
To solve above-mentioned technical problem, the technical scheme that the utility model is taken is as follows:A kind of salt spray test machine air is followed
Loop system, includes the pipeline of outer bellows, test box and the connection outer bellows and test box, and the pipeline includes admission line
And discharge duct, and the electromagnetic valve for controlling correspondence pipeline break-make is equipped with the admission line and discharge duct, two
The on/off of the electromagnetic valve, matches connection/cut-off of the outer bellows and test box;Wherein, the exogenous wind case includes
Heating component, cooling assembly and humidification device assembly, the heating component are installed in internal box and shell body, the shell body
The moisture that the cold air and humidification device assembly that the hot blast of generation, cooling assembly are produced are produced by be arranged on the internal box first
Supply fan and first exhaust fan suck/discharged the internal box, and be additionally provided with the internal box the second supply fan and
Second exhaust fan, second supply fan and second exhaust fan in position respectively with the discharge duct and air inlet pipe
Road is corresponding, and when electromagnetic valve described in two is opened, the air in the internal box is sent into institute by the second exhaust fan
Test box is stated, second supply fan suctions out the air in test box to internal box.
It is expanded on further as to above-mentioned technical proposal：
In the above-mentioned technical solutions, the second air inlet pipe that extraneous air is passed through to outer internal box is additionally provided with the outer bellows
Road, the second exhaust pipe that gas in internal box is discharged, introducing water are to the water inlet pipe for humidifying device assembly and discharge internal box
The drainpipe of interior water.
In the above-mentioned technical solutions, the test box bottom is installed on air compressor assembly, the test box and installed
Defogging hole, when the air compressor assembly is used for electromagnetic valve shut-off described in two, in injecting compressed air to test box, by institute
The salt fog or waste gas stated in test box are discharged through the defogging hole.
In the above-mentioned technical solutions, the electromagnetic valve is air solenoid valve.
In the above-mentioned technical solutions, the first exhaust fan and the second supply fan are negative-pressure air fan, and described first
Supply fan and second exhaust fan are negative-pressure air fan or turbofan.
The beneficial effects of the utility model are:Air circulation system of the present utility model, will using outer circulation mode
Hot blast, cold air and moisture for drying, needed for temperature and humidity test is by feeding/output outside test box, by outer bellows and test
Case is by carrying out the isolation of air circulation, when test box is used for salt spray test, its air circulation duct pipeline, and air circulation is not
Through outer bellows, when carrying out other experiments beyond salt mist experiment, the outer bellows of unlatching are connected with test box, are constituted air and are followed
Ring passage, so so that the salt fog remained after salt spray test does not enter outer bellows, and newly inputs/discharges the hot blast, cold of test box
Gas and moisture are not remain salt fog, it is ensured that the accuracy accordingly tested, and ensure that outer bellows not by contained salinity in salt fog
It is corroded；Air circulation system plenum duct of the present utility model, the good test effect of test machine, the service life of outer bellows
It is long.
Brief description of the drawings
Fig. 1 is the general principle block diagram of the utility model salt spray test machine air circulation system；
Fig. 2 is that the block diagram and air flow of the utility model salt spray test machine air circulation system move towards schematic diagram.
In figure, 1. outer bellows, 2. electromagnetic valves, 3. test boxs, 4. admission lines, 5. discharge lines, 6. cooling assemblies, 7.
Heating component, 8. humidification device assemblies, 9. first supply fans, 10. first exhaust fans, 11. second supply fans, 12. second
Scavenger fan, 13. air compressor assemblies, 14. defogging holes, 101. internal box, 102. shell bodies.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
It is a kind of specific embodiment of this novel air circulatory system as shown in Figure 1-2, specifically, it includes three big portions
Point, the outer bellows 1 and connecting test case 3 and exogenous wind of test box 3, generation cold heat wind and the moisture tested for salt fog, dry and wet
The pipeline of case 1;And pipeline includes admission line 4 and discharge duct 5, it is equipped with magnetic valve in admission line 4 and discharge duct 5
Door 2, and two electromagnetic valves 2 use air solenoid valve;The on/off of electromagnetic valve 2 described in two, matches the outer bellows 1
With connection/cut-off of test box 3;Wherein, the outer bellows 1 include internal box 101 and shell body 102, it should be noted that, institute
State shell body 102 and coat then internal box 101, and not left and right shown in accompanying drawing 2 is set, accompanying drawing 2 is that external bellows 1 are wrapped
Illustrated containing internal box 101 and the two parts of shell body 102, and the position relationship of non-limiting internal box 101 and shell body 102,
Heating component 7, cooling assembly 6 and humidification device assembly 8 are installed in the shell body 102, and, the heating component 7
Heater（Drawing is not shown）It is then to be installed in internal box 101, the air in internal box 101 is heated for heater, and makes
The evaporator of cold component 6 is correspondingly arranged on the madial wall of internal box 101, and is to set if condenser, compressor etc.
Shell body 102 and shell body 102 and internal box 101 be spaced spatially;And humidify device assembly 8 be by humidify cylinder and
Nozzle spray, produces water smoke and the so-called moisture of stroke and sends into internal box 101;The internal box 101 enters provided with two groups
Gas fan and two groups of scavenger fans, it is respectively the first supply fan 9, the second supply fan 12, first exhaust fan 10 and
Two scavenger fans 11, and first supply fan 9 and the preferred negative-pressure air fan of second exhaust fan 11, and the first exhaust wind
Fan 10 and the second supply fan 11 optional negative-pressure air fan or turbofan, and hot blast, the refrigeration train of the generation of the heating component 7
The moisture that the cold air and humidification device assembly 8 that part 6 is produced are produced is by first supply fan that is arranged on the internal box 101
9 and first exhaust fan 10 suck/discharge the internal box 101, in practice, it is interior by the first supply fan 9 by external environment condition
In air be pumped into internal box 101, and by heating component 7 and cooling assembly 6 to being carried out in internal box 101 at heating
Reason and refrigeration processing, so that corresponding hot blast and cold air are formed, and second supply fan 12 and second exhaust fan 11 exist
It is corresponding with the discharge duct 5 and admission line 4 respectively on position, and when electromagnetic valve described in two 2 is opened, described second
Scavenger fan 11 is by the air in the internal box 101（Include hot blast, cold air and moisture one of which）Send into the test box
3, second supply fan 12 suctions out the air in test box 2 to internal box 101（Test box 2 is now equivalent to be vented）,
Need explanation when, the above is relatively described internal box 101 for the correspondence of supply fan and scavenger fan, and simply with gas
The flow direction of body is named to guide, and can only be not exhaust or air inlet, meanwhile, when two electromagnetic valves 2 are opened, internal box 101,
Admission line 4, test box 3, discharge duct 5 constitute the air flow channel of a circulation.And when salt spray test machine carries out salt spray test
When, two electromagnetic valves 2 are closed so that outer bellows 1 separate with test box 3, that is, internal box 101 and test box 2 air inlet
Pipeline 4 is not connected with discharge duct 5, and test box 3 can not be sent into/be discharged to the hot blast, cold air and moisture in internal box 101, this
When, in internal box 101 or form interior circulation or without flowing（Air）, and be similarly or interior circulation or without flowing in test box 3
（Air）.
Wherein, it is additionally provided with the outer bellows 1 and extraneous air is passed through the second admission line of outer internal box 101 (in figure
Do not show), by internal box 101 gas discharge second exhaust pipe（Do not shown in figure）, introduce water to it is described humidification device assembly 8
Water inlet pipe（Do not shown in figure）And discharge the drainpipe of water in internal box 101（Do not shown in figure）.
Wherein, refer to the attached drawing 2, the bottom of test box 2, which is installed on air compressor assembly 13, the test box 2, pacifies
If defogging hole 14, when the air compressor assembly 13 is used for the shut-off of electromagnetic valve 3 described in two, injecting compressed air to test box
In 2, the salt fog or waste gas in the test box 2 are discharged through the defogging hole 14.
The air circulation system of the application, using outer circulation mode, will be used to drying, the heat needed for temperature and humidity test
Feeding/the output outside the test box of wind, cold air and moisture, by outer bellows and test box by carrying out the isolation of air circulation,
When test box is used for salt spray test, its air circulation duct pipeline, air circulation without outer bellows, when carry out salt mist experiment with
During outer other experiments, connecting for outer bellows and test box is opened, composition air circulation duct, so so that after salt spray test
The salt fog of residual does not enter outer bellows, and the hot blast, cold air and moisture for newly inputting/discharging test box are not remain salt fog, protects
The accuracy accordingly tested is demonstrate,proved, and ensure that outer bellows are not corroded by contained salinity in salt fog to it;The air circulation of the application
System plenum duct, the good test effect of test machine, the service life of outer bellows is long.
Not technical scope of the present utility model is imposed any restrictions above, it is all according to the utility model technical spirit to
On embodiment any modification, equivalent variations and the modification made, in the range of still falling within the technical solution of the utility model.
Claims (5)
1. a kind of salt spray test machine air circulation system, including outer bellows, test box and the connection outer bellows and test box
Pipeline, it is characterised in that:The pipeline includes admission line and discharge duct, and on the admission line and discharge duct
Provided with the electromagnetic valve for controlling correspondence pipeline break-make, the on/off of electromagnetic valve described in two, match the outer bellows with
Connection/cut-off of test box;Wherein, the exogenous wind case includes being installed on heating group in internal box and shell body, the shell body
Part, cooling assembly and humidification device assembly, hot blast, the cold air of cooling assembly generation and humidifier group that the heating component is produced
The moisture that part is produced sucks/discharged the interior case by the first supply fan and first exhaust fan being arranged on the internal box
Body, and the second supply fan and second exhaust fan are additionally provided with the internal box, second supply fan and second exhaust
Fan is corresponding with the discharge duct and admission line respectively in position, and when electromagnetic valve described in two is opened, it is described
Air in the internal box is sent into the test box by second exhaust fan, and second supply fan is by the sky in test box
Aspiration goes out to internal box.
2. a kind of salt spray test machine air circulation system according to claim 1, it is characterised in that:On the outer bellows also
Provided with extraneous air is passed through outer internal box the second admission line, by internal box gas discharge second exhaust pipe, introduce
The drainpipe of water in water to the water inlet pipe and discharge internal box of the humidification device assembly.
3. a kind of salt spray test machine air circulation system according to claim 1, it is characterised in that:The test box bottom
It is installed on air compressor assembly, the test box and installs defogging hole, the air compressor assembly is used for electromagnetism described in two
When valve is turned off, in injecting compressed air to test box, the salt fog or waste gas in the test box are discharged through the defogging hole.
4. a kind of salt spray test machine air circulation system according to claim 1-3 any one, it is characterised in that:It is described
Electromagnetic valve is air solenoid valve.
5. a kind of salt spray test machine air circulation system according to claim 4, it is characterised in that:The first exhaust wind
Fan and the second supply fan are negative-pressure air fan, and first supply fan and second exhaust fan are negative-pressure air fan or turbine wind
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414546.2U CN206362681U (en) | 2016-12-22 | 2016-12-22 | A kind of salt spray test machine air circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414546.2U CN206362681U (en) | 2016-12-22 | 2016-12-22 | A kind of salt spray test machine air circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362681U true CN206362681U (en) | 2017-07-28 |
Family
ID=59374083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621414546.2U Expired - Fee Related CN206362681U (en) | 2016-12-22 | 2016-12-22 | A kind of salt spray test machine air circulation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206362681U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469876A (en) * | 2017-09-01 | 2017-12-15 | 合肥风生水起信息科技有限公司 | A kind of steady-state damp heat test case |
| CN107941682A (en) * | 2017-12-14 | 2018-04-20 | 武汉科技大学 | A kind of corrosion testing apparatus and method |
| CN109856040A (en) * | 2019-04-15 | 2019-06-07 | 黄河勘测规划设计研究院有限公司 | Concrete drying and watering cycle erosion test machine |
| CN110486839A (en) * | 2019-07-03 | 2019-11-22 | 林振亮 | A kind of dedicated water power air-conditioning in workshop |
| CN111650114A (en) * | 2020-07-01 | 2020-09-11 | 无锡市上开试验设备有限公司 | External wind circulation salt fog test box |
-
2016
- 2016-12-22 CN CN201621414546.2U patent/CN206362681U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469876A (en) * | 2017-09-01 | 2017-12-15 | 合肥风生水起信息科技有限公司 | A kind of steady-state damp heat test case |
| CN107941682A (en) * | 2017-12-14 | 2018-04-20 | 武汉科技大学 | A kind of corrosion testing apparatus and method |
| CN109856040A (en) * | 2019-04-15 | 2019-06-07 | 黄河勘测规划设计研究院有限公司 | Concrete drying and watering cycle erosion test machine |
| CN110486839A (en) * | 2019-07-03 | 2019-11-22 | 林振亮 | A kind of dedicated water power air-conditioning in workshop |
| CN110486839B (en) * | 2019-07-03 | 2020-11-27 | 常熟市特种冷冻机有限公司 | Special water and electricity air conditioner in workshop |
| CN111650114A (en) * | 2020-07-01 | 2020-09-11 | 无锡市上开试验设备有限公司 | External wind circulation salt fog test box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171222 |