CN103983418A - Movable type sand test system - Google Patents
Movable type sand test system Download PDFInfo
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- CN103983418A CN103983418A CN201410224999.8A CN201410224999A CN103983418A CN 103983418 A CN103983418 A CN 103983418A CN 201410224999 A CN201410224999 A CN 201410224999A CN 103983418 A CN103983418 A CN 103983418A
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Abstract
The invention belongs to the technical field of test products and particularly discloses a movable type sand test system. The movable type sand test system comprises an equipment chamber and a test chamber, wherein the equipment chamber and the test chamber are independent from each other and sealed, an air inlet is formed in the equipment chamber, and a compressed air system unit and a sand adding unit are arranged in a cavity of the equipment chamber. A sand spray device unit and a sample unit are arranged in the test chamber, and the sand spray device unit is connected with the sand adding unit through a pipeline. The sample unit is arranged at the position corresponding to the spray out position of a nozzle. An observation window is formed in the wall where the equipment chamber and the test chamber are connected. According to the movable type sand test system, the principle of the effect equivalence of time-to-space is used, sensitive parts, needing to be tested and assessed, of a sample are tested one by one through a minitype sand (dust) spray system, the test effect is good, and high efficiency and energy conservation are achieved; meanwhile, the movable type sand test system is easy to produce and manufacture, is capable of being set up temporarily to meet test needs of various large-size samples, convenient and fast to use, clean and environmentally friendly.
Description
Technical field
The invention belongs to test products technical field, particularly a kind of movable sand dust pilot system.
Background technology
In prior art, along with the progress of technology, the adaptive inspection of Product environment is " effect analog " future development from primal environment condition (event) simulation to test findings examination.
The dust and sand effect of the large products such as vehicle outdoor equipment is a difficult problem that perplexs, fails to properly settle always.
In GB/T2423.37L testing standard: dust and sand effect requires test specimen volume to be no more than chamber 25%, and area is no more than 50% of work space area.And specify in GJB150.12A dust and sand effect standard: enough large for sand-dust blowing chamber, sectional area should be not less than test specimen sectional area 50%, the volume 30% of chamber accounts for, building a chamber that meets above-mentioned requirements is costly, a baroque engineering, and its electric power is by the power consumption that is a medium-sized city, not only cost is expensive, and it safeguards that running expense is also very high, and its test fee is also surprising.Therefore, be difficult to carry out for large-scale experiment.
In addition, when internal vapor depot carries out dust and sand effect, conventional a kind of mode is with a car airborne dust above, after the method for a car follow-up carry out, not science of this method, two key factors that also quantitatively Product environment is tested: 1. simulation; 2. repeatability, these both sexes are not known where to begin at this, therefore must seek new test method.
Along with scientific and technical development and progress, the adaptive inspection of Product environment, from original simulation, starts the future development of the effect analog causing to environmental stress.
At present, the exploitation of Desert Oilfields, solar power plant, wind power plant, modern precision agriculture etc., all to build desert region in, the various device that the various vehicles of automobile train and ground, desert are built all has the adaptability problem of desert Environment, and seem more and more outstanding, need to build a collection of sand (dirt) wind-tunnel and just can satisfy the demand.But to be impossible building a large amount of sand wind-tunnel in the recent period.And some existing practices can not meet the simulation of environmental suitability test, the requirement of repeatability, therefore national electric and electronic product Environmental Technology council composition, " electric and electronic product environmental test, Part II test method large-scale experiment sample sand dust environmental test method " national standard group lists 2013 to 2015 in through relevant department's approval and works out plan.The received text that this standard is drafted is exactly the principle of basing oneself upon effect analog, with little meet local environment that sand (dirt) environmental stress requires to large sample to the responsive part stress application of sand (dirt), timesharing is to indivedual sensitive part stress applications, the principle of changing space with the time reaches the method for the effect analog of whole structure, but not yet there is at present the test method that the time that meets this requirement changes the effect analog of Space Principles, therefore, research and develop and a kind ofly meet the above-mentioned time to change the movable sand dust pilot system of test of the effect analog of Space Principles extremely urgent.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of movable sand dust pilot system is specifically disclosed, this pilot system is to utilize the time to change the equal principle of effect in space, the sensitive part that need test examination at sample by small-sized sandblast (dirt) system carries out one by one, test effect is good, energy-efficient, and it is easy to manufacture simultaneously, can build temporarily and meet various large-scale specimen test needs, convenient and swift.
In order to overcome above-mentioned technical purpose, the present invention realizes by following technical scheme:
The movable sand dust pilot system of one of the present invention, comprises separate space and mutual airtight equipment room and test bay, and described equipment room is provided with air intake opening, is provided with He Jiasha unit, compressed air system unit in described equipment room cavity; In described test bay, be provided with sample unit, also include sand blower unit, Yu Jiasha unit, described sand blower unit connects by pipeline;
Described compressed air system unit comprises successively the compressor, gas-holder and the dehumidifier that connect, and described compressor is sent into gas-holder by the pressurized air of generation after oil and water separation is processed, then exports through the heating dehumidifier pressurized air after treatment that dries; The described sand unit that adds comprises the hopper being connected with the delivery outlet of dehumidifier, and the bottom of described hopper is connected with the sand dust joint device that withers; Described sand blower unit comprises interconnective nozzle and the valve that shakes out, and described nozzle is placed in test bay, described in shake out valve installation in equipment room on the pipeline between sand dust regulator and nozzle; Described sample unit arranges corresponding to the ejection position of nozzle; The wall that described equipment room is connected with test bay is provided with view window.
As the further improvement of above-mentioned technology, the bottom of described sample unit is provided with a sample swinging mounting that can drive sample unit to rotate.
As the further improvement of above-mentioned technology, on described nozzle, be connected with the nozzle bearing support that can drive nozzle to rotate.
In the present invention, in described equipment room, be also provided with control module, described control module respectively with pressurized air unit, add sand unit, sand blower unit, sample swinging mounting and nozzle bearing support and be electrically connected, described control module is used for controlling sand or dust content, nozzle ejection gas flow and jet velocity, Control Nozzle and sample relative position relation, temperature, humidity etc. in Control experiment time and Control experiment.
In the present invention, described test bay is provided with some gas outlets, and described gas outlet is provided with sand dust filter element.Specifically, described sand dust filter element comprises corresponding to the dust-removal cloth-bag at gas outlet place and is placed in the filtering core device in cloth bag.
In the present invention, described dust-removal cloth-bag is that used thickness scope is the nonwoven fabrics that 2～2.5mm is thick, and its air velocity is 10
3/ min; The core bore dia scope of described filtering core device is: 0.5um～3um.
In the present invention, with sand or dirt, in described equipment room, be placed with the sand dust container that is loaded with sand dust for the ease of supply test.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the movable sand dust test system architecture of the present invention is simple, be easy to manufacture, meet various large-scale specimen test needs, while doing dust and sand effect as the compartment of motor-car, sandblast (dirt) system that just can utilize original track place to build movable interim laboratory at certain guide rail end is tested, convenient and reliable, applied widely;
(2) the movable sand dust pilot system of the present invention is by the equal effect analog principle of effect, the sensitive part that need test examination at sample by small-sized sandblast (dirt) system carries out one by one, it is the way of changing space with the time, energy-efficient, its power drain is only with 1/10 or power still less of former wind-tunnel.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is movable sand dust test system architecture schematic diagram of the present invention.
Embodiment
As shown in Figure 1, the movable sand dust pilot system of one of the present invention, comprises separate space and mutual airtight equipment room 1 and test bay 2, and described test bay 2 has waterproof, anti-sand dust diffusion function, and sand-dust blowing test is carried out in this test bay 2.Described equipment room 1 is provided with air intake opening 11, is provided with compressed air system unit 3 and adds sand unit 4 and for supplying the sand dust container 10 of sand or dirt raw material in described equipment room 1 cavity.In described test bay 2, be provided with sample unit 6, also include sand blower unit 5, described sand blower unit 5 with add sand unit 4 and be connected by pipeline.
Described compressed air system unit 3 comprises the compressor 31, gas-holder 32 and the dehumidifier 33 that connect successively, described compressor 31 screw compressors or piston compressor, described compressor 31 is sent into the pressurized air of generation in gas-holder 32 after oil and water separation is processed, then exports in sand blower unit 5 through heating dehumidifier 33 pressurized air after treatment that dries.
The described sand unit 4 that adds comprises the hopper 41 being connected with the delivery outlet of dehumidifier 33, the bottom of described hopper 41 be connected with a sand dust wither joint device 42; Described sand blower unit 5 comprises interconnective nozzle 51 and the valve 52 that shakes out: wherein, described nozzle 51 is placed in test bay 2, described in the valve 52 that shakes out be installed on the pipeline between sand dust regulator 42 and the nozzle 51 in equipment room 1; Described sample unit 6 arranges corresponding to the ejection position of nozzle 51; In addition, the wall that described equipment room 1 is connected with test bay 2 is provided with view window 7, can be in real time clearly between facilities for observation 1 or the situation of test bay 2 by view window 7.Described sample unit 6 can carry out for the representative of this batch of product of conduct extracted out from the product of producing the product of its protective of experimental examination, can be also the product that vehicle etc. need to carry out blast, dirt test.
In the present invention, the bottom of described sample unit 6 is provided with a sample swinging mounting 8 that can drive sample unit to rotate, drive sample unit 6 to rotate by the rotation of sample swinging mounting 8, on described nozzle 51, be connected with the nozzle bearing support 9 that can drive nozzle to rotate, when use, sample unit 6 is fixed on to certain position by the rotation of sample swinging mounting 8 by sample, and spray sand (dirt) gas by rotary nozzle 51 and blow to the position that sample unit 6 needs examination, thereby complete the sensitive part blast one by one that need examine sample unit, drifting dust test, the method is energy-efficient.
In the present invention, in described equipment room 1, be also provided with control module 20, described control module 20 respectively by cable with pressurized air unit 3, add sand unit 4, sand blower unit 5, sample swinging mounting 8 and nozzle bearing support 9 and be electrically connected, described control module 20 is for controlling sand or dust content, nozzle ejection gas flow and jet velocity, Control Nozzle and sample relative position relation, temperature, humidity etc. in Control experiment time and Control experiment.
In addition, described test bay 2 is provided with some gas outlets 21, described gas outlet 21 is provided with sand dust filter element 30, described sand dust filter element 30 comprises corresponding to the dust-removal cloth-bag at gas outlet place and is placed in the filtering core device in cloth bag, described dust-removal cloth-bag is that used thickness scope is the nonwoven fabrics that 2～2.5mm is thick, and its air velocity is 10
3/ min; The core bore dia scope of described filtering core device is: 0.5um～3um, efficient is 99%, carries out multiple tracks collect sand dust by dust-removal cloth-bag and filtering core device, avoids too much sand dust to be distributed in air, clean environment firendly.
Movable blast of the present invention, dirt pilot system, simple in structure, cheap, cost saving, energy-efficient and clean environment firendly, and be not subject to sample size, convenient transportation, can carry out in the location of the sample unit that will examine, check if desired; In addition, this pilot system can be contained on a car and move at any time test area to, starts on the spot test, flexible.
The present invention is not limited to above-mentioned embodiment, every various changes of the present invention or modification are not departed to the spirit and scope of the present invention, if these are changed and within modification belongs to claim of the present invention and equivalent technologies scope, the present invention also means and comprises these changes and modification.
Claims (8)
1. a movable sand dust pilot system, is characterized in that: comprise separate space and mutual airtight equipment room and test bay, described equipment room is provided with air intake opening, is provided with He Jiasha unit, compressed air system unit in described equipment room cavity; In described test bay, be provided with sample unit, also include sand blower unit, Yu Jiasha unit, described sand blower unit connects by pipeline;
Described compressed air system unit comprises successively the compressor, gas-holder and the dehumidifier that connect, and described compressor is sent into gas-holder by the pressurized air of generation after oil and water separation is processed, then exports through the heating dehumidifier pressurized air after treatment that dries;
The described sand unit that adds comprises the hopper being connected with the delivery outlet of dehumidifier, and the bottom of described hopper is connected with the sand dust joint device that withers;
Described sand blower unit comprises interconnective nozzle and the valve that shakes out, and described nozzle is placed in test bay, described in shake out valve installation in equipment room on the pipeline between sand dust regulator and nozzle;
Described sample unit arranges corresponding to the ejection position of nozzle;
The wall that described equipment room is connected with test bay is provided with view window.
2. movable sand dust pilot system according to claim 1, is characterized in that: the bottom of described sample unit is provided with a sample swinging mounting that can drive sample unit to rotate.
3. movable sand dust pilot system according to claim 2, is characterized in that: on described nozzle, be connected with the nozzle bearing support that can drive nozzle to rotate.
4. movable sand dust pilot system according to claim 3, it is characterized in that: in described equipment room, be also provided with control module, described control module respectively with pressurized air unit, add sand unit, sand blower unit, sample swinging mounting and nozzle bearing support and be electrically connected.
5. according to the movable sand dust pilot system described in claim 1 to 4 any one, it is characterized in that: described test bay is provided with some gas outlets, described gas outlet is provided with sand dust filter element.
6. movable sand dust pilot system according to claim 5, is characterized in that: described sand dust filter element comprises corresponding to the dust-removal cloth-bag at gas outlet place and is placed in the filtering core device in cloth bag.
7. movable sand dust pilot system according to claim 6, is characterized in that: described dust-removal cloth-bag is that used thickness scope is the nonwoven fabrics that 2～2.5mm is thick, and its air velocity is 10
3/ min; The core bore dia scope of described filtering core device is: 0.5um～3um.
8. movable sand dust pilot system according to claim 1, is characterized in that: the sand dust container that is placed with splendid attire sand dust in described equipment room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224999.8A CN103983418A (en) | 2014-05-26 | 2014-05-26 | Movable type sand test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224999.8A CN103983418A (en) | 2014-05-26 | 2014-05-26 | Movable type sand test system |
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| Publication Number | Publication Date |
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| CN103983418A true CN103983418A (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410224999.8A Pending CN103983418A (en) | 2014-05-26 | 2014-05-26 | Movable type sand test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679713A (en) * | 2017-01-20 | 2017-05-17 | 合肥通用机械研究院 | Sand dust experimental device |
| CN110376084A (en) * | 2019-06-20 | 2019-10-25 | 中车青岛四方机车车辆股份有限公司 | A kind of wind sand environment simulation system and fatigue test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110376084A (en) * | 2019-06-20 | 2019-10-25 | 中车青岛四方机车车辆股份有限公司 | A kind of wind sand environment simulation system and fatigue test system |
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Application publication date: 20140813 |