CN210005169U - kind of dust and sand simulation test device - Google Patents

Abstract

The utility model discloses an kind of sand and dust analogue test device, including box and the sealed of observing of swing joint on the box, install the rest stand that is used for placing the test sample on the box, sand and dust analogue test device still includes sand and dust circulation mechanism, vibration mechanism and initiative wiper mechanism, the dust spraying mouth has been seted up on two inside walls of box respectively, the internal fixation of box is provided with at least blanking storehouses that are located rest stand below, the bottom of blanking storehouse has the blanking mouth, sand and dust circulation mechanism sets up in the box, and be used for making the blanking mouth fall the sand and dust from spraying the dust spraying mouth blowout, vibration mechanism sets up in the box, and act on the blanking storehouse, initiative wiper mechanism comprises spray gun and air supply, the spray gun hangs on the inside wall of box, and the spray gun is connected with the air supply, the advantage is experimental effectual and the subsequent maintenance of being convenient for.

Description

kind of dust and sand simulation test device

Technical Field

The utility model relates to a sand and dust test technical field especially involves kinds of sand and dust analogue test device.

Background

Along with the development of scientific technology and the improvement of the quality of life of people, various electrical and electronic products are more and more commonly used. The quality of the electrical and electronic products directly affects the life of people, the electrical and electronic products with the quality not being over-qualified not only affect the service life of the electrical and electronic products, but also cause the unforeseen consequences of electric shock, fire and the like if the related performance is over-qualified, the life safety of people is seriously threatened, and the requirements on the quality are more strict particularly for the electrical and electronic products used outdoors. Therefore, various testing apparatuses are required to test the service life of the electrical and electronic products under severe conditions in the production process of the electrical and electronic products, among which there is an apparatus for performing a dust test on the electrical and electronic products.

For example, there is chinese utility model patent that publication number is CN202710250U to disclose kind of dust and sand environmental test case, constitute by chassis and the box of setting on the chassis, chassis upper portion is provided with the box, be fixed with sealed observation through the loose-leaf on the box, still be provided with on box upper portion and add the ash mouth, it is located box upper portion to add the ash mouth, end is put in the box in addition, the box sub-unit connection has the ash spout mouth of obconical, still be provided with layers of wire net that is used for placing the test article between ash spout mouth and box, still be provided with the gyro wheel that can remove bottom the chassis, can remove the proof box through chassis gyro wheel design, but proof box mobile operation is strong, there is very good effect, proof box global design is light and handy, operation convenient to use, and strong operability, there is very good experimental.

The device directly adds sand and dust to the dust adding port and utilizes airflow sprayed by the dust spraying port to enable the inner space of the box body to form a sand and dust test environment, so that the problems that 1, the airflow sprayed by the dust spraying port is always upward, circulating dust blowing systems cannot be caused, the sand and dust are not uniformly dispersed, the test effect is poor, and 2, after the test is finished, workers are required to do regular cleaning and maintenance work in the box body, and the device is troublesome and labor-consuming are solved.

Disclosure of Invention

The utility model discloses a main aim at provides experimental effectual and the dust and sand analogue test device of the follow-up maintenance of being convenient for.

In order to achieve the purpose, the utility model adopts the technical scheme that sand and dust simulation test device comprises a box body and a sealing observation movably connected with the box body, the box body on install a shelf for placing test samples, the sand and dust simulation test device further comprises a sand and dust circulating mechanism, a vibrating mechanism and an active cleaning mechanism, two inner side walls of the box body are respectively provided with a dust spraying opening, the box body is internally and fixedly provided with at least blanking bins positioned below the shelf, the bottom of the blanking bins is provided with a blanking opening, the sand and dust circulating mechanism is arranged in the box body and is used for enabling the sand and dust falling from the blanking opening to be sprayed out from the dust spraying opening, the vibrating mechanism is arranged in the box body and acts on the blanking bins, the active cleaning mechanism consists of a spray gun and an air source, the spray gun is hung on the inner side walls of the box body, and the spray gun is connected with the air source.

The blanking storehouse be two, and set up side by side the box in, husky dirt circulation mechanism include that two are fixed blanking storehouse below the circulating pump, the air inlet of circulating pump with correspond the blanking mouth of blanking storehouse be linked together, the gas outlet of circulating pump with correspond the ash spraying mouth be linked together this structure, the setting of circulating pump makes the top space of blanking storehouse form the environment of negative pressures, husky dirt falls the back from the blanking mouth of blanking storehouse, through the effect of circulating pump, from the ash spraying mouth blowout to provide dust-carrying state of suspended state from bottom to top, husky dirt also can be in the recycle of test box.

The blanking bin is funnel-shaped. In this structure, the blanking storehouse is hourglass hopper-shaped, makes things convenient for the sand and dust to fall down, avoids the gathering on the surface in blanking storehouse.

The vibrating mechanism comprises a vibrator, and the vibrator is arranged on the outer side wall of the blanking bin. In this structure, the vibrator is prior art, and it acts on the blanking storehouse for sand and dust conveniently falls like this, avoids the gathering on the blanking storehouse, and the efficiency of collecting sand and dust obtains improving.

In the structure, the heating assembly is in the prior art and adopts a heating rod heating mode, so that aspects keep the temperature of the test box constant, and aspects avoid sand and dust agglomeration to influence the test effect.

In the structure, the hanging hook can hang test samples which are inconvenient to directly place on the rest rack.

The bottom of the hanging rod is provided with a T-shaped groove along the length direction, the upper end of the lifting hook is provided with a clamping block, and the clamping block is slidably arranged in the T-shaped groove. This has the advantage of facilitating the movement of the hook.

transparent observation windows are arranged on the sealed observation , so that a user can visually observe the test condition in the box body.

The dust simulation test device further comprises a dust scraper and a handle, the dust scraper is arranged on the inner surface of the transparent observation window, the handle is arranged on the sealed observation through a bearing, and the handle is fixed to the end of the dust scraper.

An air flow meter is fixed in the box body, and the arrangement of the air flow meter is convenient for a user to know the concentration of the sand and the dust in the box body.

Compared with the prior art, the utility model has the advantages that the setting of dust and sand circulation mechanism can carry the dust and sand to the dust spout mouth from the blanking mouth, spout to the box by the dust spout mouth again, aspects provide from bottom to top suspended state's the dirt state that carries, the experimental effect is better, aspects dust and sand can recycle in the proof box in addition, need not to supply dust and sand often, the setting of vibration mechanism can make the blanking storehouse vibrate, the dust and sand that remains on the blanking storehouse just can fall to blanking mouth department, need not artifical frequent washing, the maintenance of being convenient for, the spray gun is connected with the air supply, the spray gun can outwards jet-propelled, be convenient for wash the inner space of box like this, make the box keep clean state, the utility model discloses good and the follow-up maintenance of being convenient for of experimental effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the seal according to the present invention when open;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

fig. 5 is a schematic structural view of the suspension rod and the hook of the present invention.

Detailed Description

The invention is described in further detail with reference to the embodiments shown in the drawings.

Embodiment as shown in the figure, kinds of sand and dust simulation test devices include a box 1 and a sealed observation 2 movably connected to the box 1, a placement frame 11 for placing a test sample is installed on the box 1, the sand and dust simulation test device further includes a sand and dust circulation mechanism 3, a vibration mechanism 4 and an active cleaning mechanism 5, two inner side walls of the box 1 are respectively provided with a dust spraying port 12, the box 1 is internally and fixedly provided with a blanking bin 13 at least positioned below the placement frame 11, the bottom of the blanking bin 13 is provided with a blanking port 14, the sand and dust circulation mechanism 3 is arranged in the box 1 and is used for spraying sand and dust falling from the blanking port 14 out of the dust spraying port 12, the vibration mechanism 4 is arranged in the box 1 and acts on the blanking bin 13, the active cleaning mechanism 5 is composed of a spray gun and an air source, the spray gun is suspended on the inner side wall of the box 1, and the spray gun is connected with.

In the second embodiment, as shown in the figure, kinds of sand and dust simulation test devices comprise a box body 1 and a seal observation 2 movably connected to the box body 1, a placement frame 11 for placing a test sample is installed on the box body 1, the sand and dust simulation test devices further comprise a sand and dust circulation mechanism 3, a vibration mechanism 4 and an active cleaning mechanism 5, dust spraying ports 12 are respectively formed in two inner side walls of the box body 1, at least of a blanking bin 13 located below the placement frame 11 is fixedly arranged in the box body 1, a blanking port 14 is formed in the bottom of the blanking bin 13, the sand and dust circulation mechanism 3 is arranged in the box body 1 and is used for enabling sand and dust falling from the blanking port 14 to be sprayed out of the dust spraying ports 12, the vibration mechanism 4 is arranged in the box body 1 and acts on the blanking bin 13, the active cleaning mechanism 5 is composed of a spray gun and an air source, the spray gun is suspended on the inner side wall of.

In this embodiment, blanking storehouse 13 is two, and sets up in box 1 side by side, and dust and sand circulation mechanism 3 includes two circulating pumps 31 of fixing in blanking storehouse 13 below, and circulating pump 31's air inlet is linked together with the blanking mouth 14 that corresponds blanking storehouse 13, and circulating pump 31's gas outlet is linked together with corresponding dust spraying mouth 12.

In this embodiment, the blanking bin 13 is funnel-shaped. A screen is also arranged at the blanking port 14 of the blanking bin 13.

In this embodiment, the vibrating mechanism 4 includes a vibrator, and the vibrator is disposed on an outer side wall of the blanking bin 13.

In this embodiment, the outer side wall of the blanking bin 13 is provided with a heating assembly 6.

In this embodiment, a hanging rod 15 is fixed in the box body 1, the hanging rod 15 is located above the placing rack 11, and a hook 7 is horizontally movably arranged on the hanging rod 15.

In this embodiment, the bottom of the hanging rod 15 is provided with a T-shaped groove 16 along the length direction, the upper end of the lifting hook 7 is provided with a fixture block 71, and the fixture block 71 is slidably arranged in the T-shaped groove 16.

In this embodiment, transparent viewing windows 21 are provided in the sealed view 2.

In this embodiment, the dust and sand simulation test device further includes a dust scraper 22 and a handle 23, the dust scraper 22 is disposed on the inner surface of the transparent observation window 21, the handle 23 is disposed on the sealed observation 2 through a bearing, and the handle 23 is fixed to an end of the dust scraper 22.

In this embodiment, an airflow meter 17 is fixed in the case 1.

Claims (10)

1, kind of sand and dust analogue test device, including box and swing joint the box on sealed observation , the box on install the rest stand that is used for placing the test sample, its characterized in that sand and dust analogue test device still include sand and dust circulation mechanism, vibration mechanism and initiative wiper mechanism, two inside walls of box on seted up the dust ejection mouth respectively, the box in fixed be provided with at least and be located the rest stand below the blanking storehouse, the bottom of blanking storehouse have the blanking mouth, sand and dust circulation mechanism set up the box in, and be used for making the blanking mouth sand and dust that falls down follow the blowout of dust ejection mouth, vibration mechanism set up in the box, and act on the blanking storehouse, initiative wiper mechanism constitute by spray gun and air supply, the spray gun hang on the inside wall of box, and the spray gun with the air supply be connected.

2. The kinds of sand-dust simulation test device of claim 1, wherein two blanking bins are arranged side by side in the box, the sand-dust circulation mechanism comprises two circulation pumps fixed under the blanking bins, an air inlet of each circulation pump is communicated with a blanking port corresponding to the blanking bins, and an air outlet of each circulation pump is communicated with an ash spraying port corresponding to the ash spraying ports.

3. The kinds of sand and dust simulation test device of claim 1 or 2, wherein the blanking bin is funnel-shaped.

4. The kinds of dust and sand simulation test device of claim 1, wherein the vibrating mechanism comprises a vibrator, and the vibrator is disposed on an outer sidewall of the blanking bin.

5. The kinds of sand and dust simulation test device of claim 1, wherein a heating assembly is disposed on an outer side wall of the blanking bin.

6. The kinds of dust and sand simulation test device of claim 1, wherein a hanging rod is fixed in the box and located above the shelf, and a hook is horizontally movably arranged on the hanging rod.

7. The kinds of sand and dust simulation test device of claim 6, wherein a T-shaped groove is formed in the bottom of the hanging rod along the length direction, a fixture block is arranged at the upper end of the lifting hook, and the fixture block is slidably arranged in the T-shaped groove.

8. The kinds of dust and sand simulation test device of claim 1, wherein a transparent window is disposed on the sealed observation .

9. The kinds of dust and sand simulation test device of claim 8, further comprising a dust scraper and a handle, wherein the dust scraper is disposed on an inner surface of the transparent window, the handle is disposed on the sealed observation through a bearing, and the handle is fixed to a end of the dust scraper.

10. The kinds of dust and sand simulation test device of claim 1, wherein a air flow meter is fixed in the box.

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