High-efficiency filter leakage aerosol scanning detection device

Abstract

The utility model discloses a high-efficiency filter leakage aerosol scanning detection device, which comprises a box body, a detection probe, a collection tube, an auxiliary frame and a fixing piece, an aerosol photometer and an aerosol generator are arranged in the box body, the detection probe is electrically connected with the aerosol photometer through a lead, and the collection tube is connected with the auxiliary frame through a lead. A fixing plate is arranged on the right side of the detection probe, a sliding groove is formed in the right side of the fixing plate, the collecting pipe is inserted into the aerosol photometer in a penetrating mode, and the auxiliary frame comprises a moving rod inserted into the sliding groove in a penetrating mode and a guide rail connected with the moving rod in a sliding mode; the fixing piece comprises a fixing base arranged on the outer side of the guide rail, a suction cup arranged on the right side of the fixing base, a rotating rod in threaded connection with the fixing base and a piston in bearing connection with the rotating rod. According to the detection probe, the collection tube, the auxiliary frame and the fixing piece, under the condition that the use of the device is not affected, the effect of scanning detection at the same interval is achieved, errors are reduced, and meanwhile an aerosol photometer and an aerosol generator are conveniently stored through the box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter leakage detection technical field, concretely is a kind of high-efficiency filter leakage aerosol scanning detection device. BACKGROUND

[0002] High-efficiency filter leakage aerosol scanning detection device is the key equipment for detecting whether high-efficiency filter exists leakage, generally is by aerosol photometer and aerosol generator composition, when using, through hose connection aerosol generator and smoking mouth, then aerosol photometer is connected detection port, after connection, aerosol generator generates the stable aerosol particle of specific particle size, and injects the upstream side of high-efficiency filter, then using the probe of aerosol photometer scans in filter downstream side, by detecting the difference of upstream and downstream aerosol concentration, judge whether filter exists leakage.But when scanning using probe, the distance of acquisition structure and filter is not easy to accurately control, and the difference of different position interval is too big to affect detection effect, there is certain deficiency, for this purpose, we propose a kind of high-efficiency filter leakage aerosol scanning detection device. UTILITY MODEL CONTENTS

[0003] The utility model aims at solving the problems in prior art or related art.

[0004] Therefore, the technical scheme adopted by the utility model is as follows: a high-efficiency filter leakage aerosol scanning detection device, which comprises a box body, a detection probe, a collection pipe, an auxiliary frame and a fixing piece, the inside of the box body is provided with an aerosol photometer and an aerosol generator, the detection probe is electrically connected with the aerosol photometer through wires, a fixed plate is arranged on the right side of the detection probe, a sliding groove is formed in the right side of the fixed plate, the collection pipe is inserted on the aerosol photometer, the auxiliary frame comprises a moving rod inserted in the sliding groove and a guide rail slidably connected with the moving rod, and the fixing piece comprises a fixing seat arranged on the outer side of the guide rail, a suction cup arranged on the right side of the fixing seat, a rotating rod threadedly connected with the fixing seat and a piston bearing-connected with the rotating rod.

[0005] Preferably, universal wheels are arranged at the bottom corners of the box body, first baffles are hingedly connected to the front and rear ends of the box body, and second baffles are hingedly connected to the two sides of the box body.

[0006] Preferably, a top plate is hingedly connected to the top end of the box body, and a partition plate is arranged on the inner top side of the box body.

[0007] Preferably, the device further comprises a blocking piece, which comprises a T-shaped column arranged on the outer side of the box body and a blocking block rotatably connected with the T-shaped column.

[0008] Preferably, two fixed plates are arranged, and the two fixed plates are symmetrically distributed.

[0009] Preferably, the collection tube is arranged on the detection probe, a corrugated tube is arranged on the right side of the collection tube, and a collection cover is arranged on the corrugated tube.

[0010] By adopting the technical scheme, the utility model has the beneficial effects that: the rotating rod of the fixing member can rotate outward to drive the piston, so that the negative pressure is generated in the suction cup, and the auxiliary frame can be adsorbed on the filter; the sliding groove arranged later can be inserted on the moving rod of the auxiliary frame, and after being inserted, the corrugated tube can be bent arbitrarily to adjust the distance between the collection cover and the filter; after being adjusted, the distance between the collection cover and the filter can be kept through the auxiliary frame, so that the effect of detecting the same distance at different positions is realized, and the accuracy is high; the partition plate arranged simultaneously can be divided into multiple areas, and the top of the box body can be covered by the rotating top plate, so that the accessories can be stored; and the aerosol photometer and the aerosol generator are arranged in the interior of the box body, so that they can be stored. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the box body;

[0013] Figure 3 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the blocking member;

[0014] Figure 4 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the detection probe;

[0015] Figure 5 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the fixing member.

[0016] Reference signs:

[0017] 100, box body; 101, universal wheel; 102, aerosol photometer; 103, aerosol generator; 104, first baffle; 105, second baffle; 106, top plate; 107, partition plate;

[0018] 200, blocking member; 201, T-shaped column; 202, blocking block;

[0019] 300, detection probe; 301, fixing plate; 302, sliding groove;

[0020] 400, collection tube; 401, corrugated tube; 402, collection cover;

[0021] 500, auxiliary frame; 501, moving rod; 502, guide rail;

[0022] 600, fixing member; 601, fixing seat; 602, suction cup; 603, rotating rod; 604, piston. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific embodiments and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] Some embodiments of the utility model are described below in combination with the drawings to provide a high-efficiency filter leakage aerosol scanning detection device.

[0025] Embodiment one:

[0026] Reference Figures 1-5 For the first embodiment of the utility model, the embodiment provides a high-efficiency filter leakage aerosol scanning detection device, which comprises a box body 100, a detection probe 300, a collection pipe 400, an auxiliary frame 500 and a fixing member 600.

[0027] Specifically, the inside of the box body 100 is arranged with an aerosol photometer 102 and an aerosol generator 103, universal wheels 101 are arranged at the bottom corners of the box body 100, a top plate 106 is hingedly connected to the top end of the box body 100, and a partition plate 107 is arranged on the inside top of the box body 100. In specific use, the aerosol generator 103 can generate stable aerosol particles of a specific particle size (usually 0.1-0.3 μm) and inject them into the upstream side of the high-efficiency filter, and the aerosol photometer 102 can detect the difference in aerosol concentration between the upstream and downstream of the high-efficiency filter to determine whether the filter leaks. The universal wheels 101 facilitate the carrying of the box body 100, the partition plate 107 separates the top of the box body 100 into multiple areas for storing accessories, and the top plate 106 can be rotated to cover the top of the box body 100 for sealing.

[0028] Specifically, the detection probe 300 is electrically connected to the aerosol photometer 102 through wires, a fixed plate 301 is arranged on the right side of the detection probe 300, sliding grooves 302 are formed on the right side of the fixed plate 301, two fixed plates 301 are arranged, and the two fixed plates 301 are symmetrically distributed. In specific use, the auxiliary frame 500 can be docked through the sliding grooves 302 for scanning at the same interval through the auxiliary frame 500, and the two fixed plates 301 can improve the stability of sliding.

[0029] Specifically, the collection tube 400 is inserted on the aerosol photometer 102, the collection tube 400 is arranged on the detection probe 300, the right side of the collection tube 400 is arranged with the bellows 401, and the bellows 401 is arranged with the collection cover 402, in specific use, the bellows 401 can be bent arbitrarily, so as to adjust the distance between the collection cover 402 and the filter, and the air downstream of the filter can enter the aerosol photometer 102 through the collection cover 402, the bellows 401 and the collection tube 400, so as to detect the aerosol concentration.

[0030] Specifically, the auxiliary frame 500 includes a moving rod 501 inserted on the sliding groove 302 and a guide rail 502 in sliding connection with the moving rod 501, in specific use, the moving rod 501 can slide on the guide rail 502, and the detection probe 300 can slide on the moving rod 501 through the sliding groove 302, so as to scan different positions of the detection probe 300 at the same distance.

[0031] Specifically, the fixing member 600 includes a fixing seat 601 arranged outside the guide rail 502, a suction disc 602 arranged on the right side of the fixing seat 601, a rotating rod 603 in threaded connection with the fixing seat 601 and a piston 604 in bearing connection with the rotating rod 603, in specific use, the piston 604 can be driven by rotating the rotating rod 603, and when the piston 604 moves, negative pressure is generated in the suction disc 602, so as to fix the auxiliary frame 500 on the filter or the filter mounting structure.

[0032] Embodiment two:

[0033] Referring to Figure 1 and Figure 3 , the second embodiment of the utility model is different from the first embodiment in that:

[0034] Specifically, the front and rear ends of the box body 100 are hingedly connected with first baffles 104, and the two sides of the box body 100 are hingedly connected with second baffles 105, in specific use, the outside of the box body 100 can be opened by rotating the first baffles 104 and the second baffles 105, and after being opened, the aerosol photometer 102 and the aerosol generator 103 can be conveniently cooled.

[0035] Specifically, the blocking member 200 includes a T-shaped column 201 arranged outside the box body 100 and a blocking block 202 in rotary connection with the T-shaped column 201, in specific use, the first baffle 104 or the second baffle 105 can be blocked by rotating the blocking block 202, so as to fix the first baffle 104 or the second baffle 105 on the box body 100.

[0036] The working principle and use flow of the utility model: first, the guide rail 502 of the auxiliary frame 500 is placed at the suitable position of the filter or the filter structure, the sucking disc 602 of the fixing piece 600 is pressed against the filter or the filter structure, then the rotating rod 603 is rotated outward, the rotating rod 603 will drive the piston 604 to move outward, when moving, the negative pressure is generated in the sucking disc 602, the sucking disc 602 can be firmly adsorbed on the filter or the filter structure, after adsorption, the sliding groove 302 of the detection probe 300 is aligned with the moving rod 501, and is inserted, after insertion, the detection probe 300 can slide on the moving rod 501, and different positions can be scanned under the condition of the same interval.

[0037] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A high efficiency particulate air filter leak aerosol scanning detection apparatus, comprising: Include: Box (100), the inside of which is provided with an aerosol photometer (102) and an aerosol generator (103); Detection probe (300), electrically connected to the aerosol photometer (102) through a wire, the right side of the detection probe (300) is provided with a fixed plate (301), and the right side of the fixed plate (301) is provided with a sliding groove (302); Collecting tube (400), inserted in the aerosol photometer (102); Auxiliary frame (500), including a moving rod (501) inserted in the sliding groove (302) and a guide rail (502) slidably connected with the moving rod (501); Fixed part (600), including a fixed seat (601) arranged outside the guide rail (502), a suction cup (602) arranged on the right side of the fixed seat (601), a rotating rod (603) threadedly connected with the fixed seat (601), and a piston (604) bearing connected with the rotating rod (603).

2. The high efficiency particulate air (HEPA) filter leak aerosol scanning detection apparatus of claim 1, wherein, The bottom corners of the box (100) are provided with universal wheels (101), the front and rear ends of the box (100) are hingedly connected with first baffles (104), and the two sides of the box (100) are hingedly connected with second baffles (105).

3. The high efficiency particulate air (HEPA) filter leak aerosol scanning detection apparatus of claim 1, wherein, The top end of the box (100) is hingedly connected with a top plate (106), and the top inside of the box (100) is provided with a partition plate (107).

4. The high efficiency particulate air (HEPA) filter leak aerosol scanning detection apparatus of claim 1, wherein, It also includes a blocking piece (200), the blocking piece (200) includes a T-shaped column (201) arranged outside the box (100) and a blocking piece (202) rotatably connected with the T-shaped column (201).

5. The high efficiency particulate air (HEPA) filter leak aerosol scanning detection apparatus of claim 1, wherein, The fixed plate (301) is provided with two, and the two fixed plates (301) are symmetrically distributed.

6. The high efficiency particulate air (HEPA) filter leak aerosol scanning detection apparatus of claim 1, wherein, The collecting tube (400) is arranged on the detection probe (300), and the right side of the collecting tube (400) is provided with a bellows (401), and the bellows (401) is provided with a collecting cover (402).

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