CN106679713A - Sand dust experimental device - Google Patents
Sand dust experimental device Download PDFInfo
- Publication number
- CN106679713A CN106679713A CN201710041467.4A CN201710041467A CN106679713A CN 106679713 A CN106679713 A CN 106679713A CN 201710041467 A CN201710041467 A CN 201710041467A CN 106679713 A CN106679713 A CN 106679713A
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- CN
- China
- Prior art keywords
- dust
- sand
- circulation duct
- air circulation
- pallet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of anti-dust performance detection of electrical components and particularly relates to a sand dust experimental device. The sand dust experimental device comprises a box body with an airtight cavity, an air circulating pipe and a dust-blowing air circulating pipe, a tray for holding a sample is arranged in the box body, the air circulating pipe is communicated with cavity bodies, above and below the tray, in the box body, a first fan is arranged on the air circulating pipe, a suction end of the air circulating pipe is communicated with the cavity body below the tray, a blowing end of the air circulating pipe is communicated with the cavity body above the tray, a second fan is arranged on the dust-blowing air circulating pipe, two ends of the dust-blowing air circulating pipe are positioned in the box body, and one end of the dust-blowing air circulating pipe, namely a blowing end, aligns with the sample on the tray. The sand dust experimental device has the advantage that the dust-blowing air circulating pipe is used for sweeping floating dust on the surface of the sample, so that no pollution to the surrounding environment is caused when the sample is taken out.
Description
Technical field
The invention belongs to electrical equipment Antidust capability detection technique field, and in particular to a kind of sand and dust experimental provision.
Background technology
With the continuous improvement of industrial automation requirement, various electrical equipments are also more and more applied to industrial production and set
In standby.However, the running environment of the equipment of industrial product is typically complex, the easy easy adhesive dust in electrical equipment surface, because
This, the quality of electric and electronic product is particularly important, various so as to need to use in the production process of electric and electronic product
Experimental rig tests whether the important indicators such as electric and electronic product service life under severe conditions, security performance meet mark
It is accurate.Sand protection experimental rig is a kind of test device of inspection electric and electronic product shell dirt exclusion capabilities, the main mould of the device
Intend electric and electronic product and in an equipressure or in the presence of certain pressure difference and be covered with electric and electronic product in the space of finite concentration sand and dust
Shell dirt exclusion capabilities.If the sealing of product is poor, dirt exclusion capabilities are undesirable, and sand dust would be possible to cause to produce after entering
Product are corroded, movable part is stuck, insulating properties are deteriorated, electric leakage, short-circuit, on fire etc..
However, the sand and dust case effective object produced in industry is most to be directed to electric component, rarely have dirt recovery, sample surfaces
The functions such as clear dirt, rotary sample, it is difficult to make sample be fully contacted with sand and dust, and when sample is taken out, circumferential annular can be made
Into pollution.
The content of the invention
It is an object of the invention to provide a kind of sand and dust experimental provision that can clear up sample surfaces floating dust.
To achieve the above object, the invention provides following technical scheme：A kind of sand and dust experimental provision, including with airtight
The casing of inner chamber, is provided with the pallet for placing sample in the casing；
And the air circulation duct of the upper and lower both sides cavity of pallet in connection casing, air circulation duct is provided with first
Blower fan, the suction end of air circulation duct is connected with pallet downside cavity, air blowing end and the side chamber on pallet of air circulation duct
Body is connected；
Also include drifting dust air circulation duct, drifting dust air circulation duct is provided with the second blower fan, and the drifting dust air is followed
The two ends on endless tube road are respectively positioned in casing, and wherein one end is the sample setting on the alignment pallet of air blowing end.
Preferably, the pallet is rotated along vertical axis and set, and the pallet for driving pallet to rotate is provided with casing and is driven
Moving cell.
Preferably, the bottom half is provided with funnel-form loading head, the air entry and loading head of the air circulation duct
The discharging opening connection of bottom.
Preferably, the loading head bottom is provided with the dodge gate that can adjust discharging opening aperture size.
Preferably, the discharging opening be parallel to discharging direction dividing plate be divided at least two sub- discharging openings, wherein at least
One sub- discharging opening is provided with the dodge gate that the sub- discharging opening can be made individually to be opened and closed.
Preferably, the dodge gate by bearing pin it is side walls hinged with discharging opening, and be provided with outside the wall of discharging opening side for
Drive the drive device of dodge gate upset.
Preferably, the loading head outer wall is provided with vibrating motor.
Preferably, the tube wall of the air circulation duct is provided with electric heater unit.
Preferably, the suction end of the drifting dust air circulation duct be located at pallet lower section, and the suction end the mouth of pipe upward
Set, the side tube wall of the suction end mouth of pipe extends to form a baffle plate obliquely, the mouth of pipe of the suction end is covered in the baffle plate
Lower section.
Preferably, the air blowing end of the drifting dust air circulation duct is provided with a blow gun, and the blow gun is fixed on vertically
On reciprocating sliding block, the blow gun is connected by flexible pipe with the air blowing end of drifting dust air circulation duct, is provided with the casing
For the slider-actuated unit for driving sliding block to move up and down.
The technical effects of the invention are that：
1st, the present invention is cleaned using drifting dust air circulation duct to sample surfaces floating dust, when being taken out in order to sample not
Surrounding enviroment can be polluted；
2nd, pallet of the invention can drive rotary sample, sample is fully contacted with sand and dust, on the other hand make
Drifting dust air circulation duct can be purged from all angles of sample, it is ensured that surface floating dust is fully removed；
3rd, aggregate bin can be such that the sand and dust of sinking assemble automatically, to be again introduced into air circulation duct；
4th, dodge gate can adjust the aperture size of loading head discharging opening, and then control the sand and dust of air inlet circulation line
Amount, the sand-dust particulates in final control cabinet body；
5th, vibrating motor can make the sand and dust adhered on loading head inwall fully fall discharge outlet down, prevent sand and dust from hanging
Storehouse；
6th, the air with sand and dust can be heated to predetermined temperature by the electric heater unit in air circulation duct, so as to mould
Intend real use environment；
7th, the air entry of drifting dust air circulation duct sets the sand and dust for being prevented from sucking loading head bottom upward, and air-breathing
Baffle plate is set above mouthful, can to greatest extent reduce the sand dust that suction top of taking a few mouthfuls of it is withered and fallen；
8th, blow gun pumps setting, the height of blow gun can be adjusted according to the height of sample, it is also possible in purging
While, blow gun is adjusted up and down, sample is purged up and down.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the partial structural diagram at integrator position of the invention；
Fig. 3 is contour structures schematic diagram of the invention.
Specific embodiment
Technical scheme is described in detail below in conjunction with specific embodiment.
As shown in figure 1, a kind of sand and dust experimental provision, including the casing 10 with air-tight inner chamber, it is provided with the casing 10
Pallet 11 for placing sample 30；In accompanying drawing illustrated embodiment, pallet 11 is network structure, except implementation exception, pallet 11
The platy structure with hollow-out parts is can also be, or with the plate body of plate face is completed, when pallet 11 is with complete plate face
Need and the inwall of casing 10 between to leave the space that enough confession sand and dust pass through during halfbody, around pallet 11；
And the air circulation duct 12 of the pallet both sides cavity about 11 in connection casing 10, in air circulation duct 12
The first blower fan 121 is provided with, the suction end of air circulation duct 12 is connected with the downside cavity of pallet 11, air circulation duct 12 is blown
Gas end connects with the upside cavity of pallet 11；In accompanying drawing 1,2 illustrated embodiments, air circulation duct 12 is located at outside casing 10, this
It is preferred embodiment, the embodiment can avoid air circulation duct 12 from interfering the internal gas flow of casing 10.Alternately
Embodiment, air circulation duct 12 can also be arranged on inside casing 10, the pallet 11 as long as its inflatable mouth and air entry are placed in
In the cavity of upper and lower both sides.
Also include drifting dust air circulation duct 13, drifting dust air circulation duct 13 is provided with the second blower fan 131, the drifting dust
The two ends of air circulation duct 13 are respectively positioned in casing 10, and wherein one end is that the sample 30 that air blowing end is aligned on pallet 11 sets
Put.The present invention is cleaned using drifting dust air circulation duct 13 to the surface floating dust of sample 30, when being taken out in order to sample 30 not
Surrounding enviroment can be polluted.Preferably, as shown in Fig. 2 the suction end of the drifting dust air circulation duct 13 is located at pallet
Below 11, and the mouth of pipe of the suction end is set upward, and the side tube wall of the suction end mouth of pipe extends to form a baffle plate obliquely
134, the mouth of pipe of the suction end is covered below the baffle plate 134.The air entry of drifting dust air circulation duct 13 sets energy upward
Enough prevent from sucking the sand and dust of the bottom of loading head 14, and air entry top sets baffle plate 134, can to greatest extent reduce air entry suction
Enter the sand dust that top is withered and fallen.Preferably, the air blowing end of the drifting dust air circulation duct 13 is provided with a blow gun 132, the blow gun
132 are fixed on vertically reciprocating sliding block 133, and the blow gun 132 is by flexible pipe and drifting dust air circulation duct 13
The connection of air blowing end, the driver element of sliding block 133 for driving sliding block 133 to move up and down is provided with the casing 10.Blow gun 132
Pumped setting, and the height of blow gun 132 can be adjusted according to the height of sample 30, it is also possible to while purging, on
Lower regulation blow gun 132, makes sample be purged about 30.Used as the preferred embodiments of the present invention, the sliding block 133 is by setting
Air cylinder driven inside casing 10, except implementation exception, sliding block 133 can also be public using this areas such as electric cylinders, linear electric motors
Other straight line driving mechanisms known are driven.
Preferably, the pallet 11 is rotated along vertical axis and set, and is provided with casing 10 for driving what pallet 11 was rotated
The driver element of pallet 11.Pallet of the invention 11 can drive sample 30 to rotate, and sample 30 is fully contacted with sand and dust,
On the other hand drifting dust air circulation duct 13 is enable to be purged from all angles of sample 30, it is ensured that surface floating dust is fully clear
Remove.Used as the preferred embodiments of the present invention, the driver element of the pallet 11 is the motor for being arranged on the bottom of pallet 11, the motor
Main shaft is coaxially connected with pallet 11, and the motor is fixed on the inwall of casing 10 by support.
Preferably, the bottom of the casing 10 is provided with funnel-form loading head 14, the air entry of the air circulation duct 12 with
The discharging opening 141 of the bottom of loading head 14 is connected.The bottom of the loading head 14 is provided with the work that can adjust the aperture size of discharging opening 141
Dynamic door 143.144 points of the dividing plate that the discharging opening 141 is parallel to discharging direction is two sub- discharging openings 141, one of son
Discharging opening 141 is provided with the dodge gate 143 that the sub- discharging opening 141 can be made individually to be opened and closed.The dodge gate 143 by bearing pin with
Discharging opening 141 it is side walls hinged, and be provided with outside the side wall of discharging opening 141 for drive dodge gate 143 overturn drive device.Make
It is the preferred embodiments of the present invention, the drive device is stepper motor, the main shaft of stepper motor is connected with bearing pin synchronous axial system,
Bearing pin is affixed with dodge gate 143.
Preferably, the outer wall of the loading head 14 is provided with vibrating motor 142.Vibrating motor 142 can make in loading head 14
The sand and dust adhered on wall are fully fallen at discharging opening 141 down, prevent sand and dust from hanging storehouse.
Preferably, the tube wall of the air circulation duct 12 is provided with electric heater unit 122.In air circulation duct 12
Air with sand and dust can be heated to predetermined temperature by electric heater unit 122, to simulate real use environment.As this
The preferred embodiment of invention, the electric heater unit 122 is the rubber electrical heating wire being coated in air circulation duct 12.
In addition, being additionally provided with sand-dust particulates detector 101 and temperature sensor 145, wherein sand and dust in casing of the invention 10
Concentration detector 101 is located in the upper space of pallet 11, for detecting the sand-dust particulates before impact sample 30, temperature sensor
145 are located in the lower space of pallet 11, for detecting sand and dust by the temperature after sample 30.It is additionally provided with casing of the invention 10
Pressure relief safety valve 102 and observation window 103, it is excessive or too small equipment is made that pressure relief safety valve 102 is prevented from pressure in casing 10
Into infringement, observation window 103 can be easy to operating personnel's monitoring box body inner case at any time.
Claims (10)
1. a kind of sand and dust experimental provision, it is characterised in that：Including the casing (10) with air-tight inner chamber, set in the casing (10)
Have for placing the pallet of sample (30) (11)；
And the air circulation duct (12) of the upper and lower both sides cavity of pallet (11) in connection casing (10), air circulation duct
(12) the first blower fan (121) is provided with, the suction end of air circulation duct (12) is connected with pallet (11) downside cavity, and air is followed
The air blowing end on endless tube road (12) connects with pallet (11) upside cavity；
Also include drifting dust air circulation duct (13), drifting dust air circulation duct (13) is provided with the second blower fan (131), described to blow
The two ends of dirt air circulation duct (13) are respectively positioned in casing (10), and wherein one end is the sample that air blowing end is aligned on pallet (11)
Product (30) are set.
2. sand and dust experimental provision according to claim 1, it is characterised in that：The pallet (11) rotates along vertical axis and sets
Put, pallet (11) driver element for driving pallet (11) to rotate is provided with casing (10).
3. sand and dust experimental provision according to claim 1, it is characterised in that：Casing (10) bottom is provided with funnel-form collection
Glassware (14), the air entry of the air circulation duct (12) is connected with the discharging opening (141) of loading head (14) bottom.
4. sand and dust experimental provision according to claim 3, it is characterised in that：Loading head (14) bottom is provided with and can adjust
Save the dodge gate (143) of discharging opening (141) aperture size.
5. sand and dust experimental provision according to claim 4, it is characterised in that：The discharging opening (141) is parallel to discharging
The dividing plate (144) in direction is divided at least two sub- discharging openings (141), and the sub- discharging opening of wherein at least one (141) is provided with can
The dodge gate (143) for making the sub- discharging opening (141) individually be opened and closed.
6. sand and dust experimental provision according to claim 3, it is characterised in that：The dodge gate (143) by bearing pin with go out
Material mouth (141) it is side walls hinged, and be provided with outside the wall of discharging opening (141) side for drive dodge gate (143) overturn driving fill
Put.
7. sand and dust experimental provision according to claim 3, it is characterised in that：Loading head (14) outer wall is provided with vibration
Motor (142).
8. sand and dust experimental provision according to claim 1, it is characterised in that：On the tube wall of the air circulation duct (12)
It is provided with electric heater unit (122).
9. sand and dust experimental provision according to claim 1, it is characterised in that：The suction of the drifting dust air circulation duct (13)
Gas end is located at pallet (11) lower section, and the mouth of pipe of the suction end is set upward, and the side tube wall of the suction end mouth of pipe prolongs obliquely
Stretch to form a baffle plate (134), the mouth of pipe masking of the suction end is in the baffle plate (134) lower section.
10. sand and dust experimental provision according to claim 1, it is characterised in that：The drifting dust air circulation duct (13)
Air blowing end is provided with a blow gun (132), and the blow gun (132) is fixed on vertically reciprocating sliding block (133), the blow gun
(132) connected with the air blowing end of drifting dust air circulation duct (13) by flexible pipe, be provided with for driving cunning in the casing (10)
Sliding block (133) driver element that block (133) moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041467.4A CN106679713A (en) | 2017-01-20 | 2017-01-20 | Sand dust experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041467.4A CN106679713A (en) | 2017-01-20 | 2017-01-20 | Sand dust experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679713A true CN106679713A (en) | 2017-05-17 |
Family
ID=58860483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710041467.4A Pending CN106679713A (en) | 2017-01-20 | 2017-01-20 | Sand dust experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106679713A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116273216A (en) * | 2023-05-12 | 2023-06-23 | 常州华阳检验检测技术有限公司 | Sand and dust test box with multi-angle adjusting device |
| CN116699295A (en) * | 2023-08-07 | 2023-09-05 | 常州新思维新能源汽车技术有限公司 | Durability detection device for liquid crystal instrument |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150604A (en) * | 1987-12-09 | 1989-06-13 | Mitsubishi Heavy Ind Ltd | Abrasion tester for pipeline |
| CN2712351Y (en) * | 2004-06-04 | 2005-07-27 | 程树斌 | Sealed transferring cabinet |
| CN201997205U (en) * | 2011-04-07 | 2011-10-05 | 熊文俊 | Mouse cage type dust filtering net and automatic dust removing structure thereof |
| CN202460641U (en) * | 2012-01-06 | 2012-10-03 | 广州东之旭试验设备有限公司 | Sand dust test box |
| CN102909782A (en) * | 2012-10-17 | 2013-02-06 | 上海中技桩业股份有限公司 | Feeding device for U-shaped pre-stress concrete pile plank and control method |
| CN103983418A (en) * | 2014-05-26 | 2014-08-13 | 广州苏试众博环境实验室有限公司 | Movable type sand test system |
| CN204008411U (en) * | 2014-06-30 | 2014-12-10 | 王建刚 | A kind of sand dust test chamber |
| CN204388891U (en) * | 2015-02-02 | 2015-06-10 | 东莞市众志检测仪器有限公司 | A kind of dust and sand effect machine |
| CN105057011A (en) * | 2015-08-04 | 2015-11-18 | 上海林频仪器股份有限公司 | Sandy dust test box |
-
2017
- 2017-01-20 CN CN201710041467.4A patent/CN106679713A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150604A (en) * | 1987-12-09 | 1989-06-13 | Mitsubishi Heavy Ind Ltd | Abrasion tester for pipeline |
| CN2712351Y (en) * | 2004-06-04 | 2005-07-27 | 程树斌 | Sealed transferring cabinet |
| CN201997205U (en) * | 2011-04-07 | 2011-10-05 | 熊文俊 | Mouse cage type dust filtering net and automatic dust removing structure thereof |
| CN202460641U (en) * | 2012-01-06 | 2012-10-03 | 广州东之旭试验设备有限公司 | Sand dust test box |
| CN102909782A (en) * | 2012-10-17 | 2013-02-06 | 上海中技桩业股份有限公司 | Feeding device for U-shaped pre-stress concrete pile plank and control method |
| CN103983418A (en) * | 2014-05-26 | 2014-08-13 | 广州苏试众博环境实验室有限公司 | Movable type sand test system |
| CN204008411U (en) * | 2014-06-30 | 2014-12-10 | 王建刚 | A kind of sand dust test chamber |
| CN204388891U (en) * | 2015-02-02 | 2015-06-10 | 东莞市众志检测仪器有限公司 | A kind of dust and sand effect machine |
| CN105057011A (en) * | 2015-08-04 | 2015-11-18 | 上海林频仪器股份有限公司 | Sandy dust test box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116273216A (en) * | 2023-05-12 | 2023-06-23 | 常州华阳检验检测技术有限公司 | Sand and dust test box with multi-angle adjusting device |
| CN116699295A (en) * | 2023-08-07 | 2023-09-05 | 常州新思维新能源汽车技术有限公司 | Durability detection device for liquid crystal instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |