CN114894387B

CN114894387B - PAO leakage detection equipment for high-efficiency filter

Info

Publication number: CN114894387B
Application number: CN202210445495.3A
Authority: CN
Inventors: 陈中权; 魏杨; 方书娟
Original assignee: Suzhou Indair Indoor Air Technology Co ltd
Current assignee: Suzhou Indair Indoor Air Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2023-03-21
Anticipated expiration: 2042-04-24
Also published as: CN114894387A

Abstract

The application relates to PAO leakage detection equipment for a high-efficiency filter, which relates to the technical field of the PAO leakage detection equipment and comprises a machine body and a protection device, wherein the protection device comprises a bearing mechanism and an air isolating mechanism; the supporting mechanism comprises a top connection plate and a plurality of supporting rods, and all the supporting rods are arranged on the top connection plate, so that the top connection plate is erected above the machine body; the air isolation mechanism comprises a plurality of groups of air isolation pieces, and all the air isolation pieces are arranged on the jacking plate to surround the periphery of the machine body to form an air isolation area for reducing leakage of PAO. The application has the effect of reducing the leakage of PAO.

Description

PAO leakage detection equipment for high-efficiency filter

Technical Field

The application relates to the technical field of PAO leakage detection equipment, in particular to PAO leakage detection equipment for a high-efficiency filter.

Background

A high efficiency filter is an air filtration device used to filter PAO gases. In the actual production of the high-efficiency filter, the PAO leakage detection equipment is important equipment for detecting the filtering performance of the high-efficiency filter.

The current PAO leakage detection equipment mostly comprises a machine body, a PAO spraying instrument is arranged in the machine body, a filter is placed on the side wall of the outer portion of the machine body relative to the PAO spraying instrument, and an air inlet of the filter is placed towards the PAO spraying instrument. After an operator opens the PAO spraying instrument, the machine body leads PAO aerosol produced by the PAO spraying instrument to be introduced into an air inlet of the filter through the air supply device of the machine body, the filter filters the PAO aerosol, and the filtered air is discharged outwards through an air outlet of the filter. At the moment, an operator detects whether the gas sprayed out of the air outlet of the filter contains PAO through a photometer so as to judge whether the product quality of the filter meets the production standard.

However, when the filter has a quality failure phenomenon, the PAO leakage detection device is prone to cause the PAO leakage phenomenon during the test process, and further easily causes the phenomenon of escape and even diffusion of the polluting gas, so that improvement is needed.

Disclosure of Invention

In order to improve the problem that PAO leakage detection equipment easily causes PAO to leak in the test process, the application provides a PAO leakage detection equipment for high efficiency filter.

The application provides a PAO leakage detection equipment for high efficiency filter adopts following technical scheme:

the PAO leakage detection equipment for the high-efficiency filter comprises a machine body and a protection device, wherein the protection device comprises a bearing mechanism and an air isolating mechanism; the supporting mechanism comprises a top connection plate and a plurality of supporting rods, and all the supporting rods are arranged on the top connection plate, so that the top connection plate is erected above the machine body; the air isolation mechanism comprises a plurality of groups of air isolation pieces, and all the air isolation pieces are arranged on the jacking plate to surround the periphery of the machine body to form an air isolation area for reducing the leakage of the PAO.

By adopting the technical scheme, after the supporting rod contacts the ground, the top connection plate is stably erected above the machine body, after all the gas isolating pieces are installed on the top connection plate, the gas isolating pieces and the bearing mechanism form a sealed gas isolating area around the periphery of the machine body, so that the PAO passing through the filter is limited in the gas isolating area, the leakage phenomenon is not easy to occur, and the phenomenon that the polluted gas pollutes the air environment at the location of the equipment is reduced.

In a specific embodiment, each set of the gas barrier members comprises a first membrane and a second membrane; and the jacking plate is provided with a mounting unit for mounting a first diaphragm and a second diaphragm, and a connecting unit for reducing leakage of PAO is arranged between the first diaphragm and the second diaphragm.

By adopting the technical scheme, the diaphragm I and the diaphragm II which are independently arranged are quickly and stably arranged on the jacking plate through the mounting unit, so that the application stability of the air isolating piece is guaranteed; the connecting unit effectively reduces a connecting gap between the first diaphragm and the second diaphragm, and reduces the phenomenon that PAO leaks from the gap between the first diaphragm and the second diaphragm.

In a particular possible embodiment, the mounting unit comprises a preset plate, a connecting plate, an orientation screw and a locking nut; the connecting plates are respectively arranged on the first diaphragm and the second diaphragm; the preset plate is arranged on the jacking plate, the directional screw rod is arranged on the preset plate, the directional screw rod penetrates through the connecting plate, and the locking nut is in threaded connection with the directional screw rod.

Through adopting above-mentioned technical scheme, the connecting plate with predetermine the board back that offsets, directional lead screw passes the connecting plate to inject the relative position of predetermineeing the board of connecting plate, lock nut threaded connection on directional lead screw makes the connecting plate be fixed in predetermine on the board, and then has ensured diaphragm one, diaphragm two installation stability and application stability on the board of butt joint.

In a specific embodiment, the connection unit comprises a first magnetic strip and a second magnetic strip; the first magnetic strip is arranged on the side wall of the first diaphragm facing the second diaphragm, the second magnetic strip is arranged on the side wall of the second diaphragm facing the first diaphragm, and the first magnetic strip and the second magnetic strip are in magnetic attraction with each other in an offsetting manner.

Through adopting above-mentioned technical scheme, the magnetism of the magnetic strip one that offsets is inhaled mutually with the magnetism of magnetic strip two for diaphragm one improves greatly with the joint strength of diaphragm two, and then has effectively reduced the connecting gap between diaphragm one and the diaphragm two, has ensured the phenomenon that PAO leaks from the connecting gap of diaphragm one and diaphragm two.

In a specific possible embodiment, the connecting unit further includes abutting members respectively disposed on the first magnetic strip and the second magnetic strip.

By adopting the technical scheme, the abutting piece abuts tightly between the first magnetic strip and the second diaphragm or between the second magnetic strip and the first diaphragm through self compression deformation, so that the leakage phenomenon of the PAO from the first diaphragm and the second diaphragm is further reduced.

In a specific possible embodiment, the receiving mechanism further comprises a limiting unit, and the limiting unit comprises a wing membrane and an adhesive piece; the side wing membrane is arranged on the supporting leg, and the connecting piece is used for connecting the side wing membrane with the first diaphragm and the second diaphragm.

By adopting the technical scheme, the contact area of the supporting rod with the first diaphragm and the second diaphragm is increased by the side wing film, the connecting gap between the supporting rod and the first diaphragm and the connecting gap between the supporting rod and the second diaphragm are reduced, and the side wing film is connected with the first diaphragm and the second diaphragm by the adhesion piece, so that the phenomenon that the PAO leaks from the position between the supporting rod and the first diaphragm and the second diaphragm is reduced.

In a specific possible embodiment, the bearing mechanism further comprises a tensioning unit, and the tensioning unit comprises a bottom supporting plate and a counter-pulling piece; the bottom bracing plate is arranged between two adjacent supporting rods so as to reduce gaps between the first diaphragm and the second diaphragm and the ground; the counter-pulling piece is used for connecting the bottom supporting plate with the first diaphragm and the second diaphragm.

By adopting the technical scheme, the bottom support plate reduces the gaps between the first diaphragm and the second diaphragm and the ground, the counter-pulling piece effectively reduces the connecting gaps between the bottom support plate and the first diaphragm and between the bottom support plate and the second diaphragm through counter-pulling the bottom support plate and the first diaphragm and between the bottom support plate and the second diaphragm, and further reduces the leakage phenomenon of the PAO from the space between the bottom support plate and the first diaphragm and between the bottom support plate and the second diaphragm.

In a specific embodiment, the counter-pulling piece comprises an elastic lace, a stop hook and a positioning arc plate; one end of the elastic lacing is arranged on the first diaphragm and the second diaphragm, and the stop hook is arranged at the other end of the elastic lacing; the positioning arc plate is arranged on the bottom supporting plate, and the stop hook is connected with the positioning arc plate.

Through adopting above-mentioned technical scheme, the elastic lacing helps ending position hook rapid displacement through the tensile deformation of self to connect the location arc board, and then help guaranteeing bottom bracing board and diaphragm one, diaphragm two be connected the compactness.

In a specific embodiment, the counter-pulling piece further comprises a tightening lace, and the tightening lace is arranged on the first diaphragm and the second diaphragm; and the stop hook penetrating through the tightening frenum is positioned on the first diaphragm or the second diaphragm.

By adopting the technical scheme, the binding tying belt is connected with the stop hook, so that the stop hook is positioned on the binding tying belt in a standby state, and the phenomena of free shaking and displacement of the stop hook are effectively reduced.

In summary, the present application has the following beneficial technical effects:

1. the air isolating piece and the bearing mechanism form a sealed air isolating area around the periphery of the machine body, so that the PAO passing through the filter is limited in the air isolating area, the phenomenon of leakage is not easy to occur, and the phenomenon that polluted gas pollutes the air environment at the location of equipment is reduced;

2. the contact area of the supporting rod with the first diaphragm and the second diaphragm is increased by the side wing film, connecting gaps between the supporting rod and the first diaphragm and between the supporting rod and the second diaphragm are reduced, and the adhesion piece is connected with the side wing film and the first diaphragm and the second diaphragm, so that the phenomenon that the PAO leaks from the supporting rod to the first diaphragm and the second diaphragm is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a PAO leakage detection device for a high-efficiency filter in an embodiment of the present application;

FIG. 2 is an exploded view of the connection of the top joint plate and the gas barrier in an embodiment of the present application;

FIG. 3 is an exploded view of the attachment of the flanking membranes to the air barriers in an embodiment of the present application;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic diagram of an embodiment of the present application for illustrating the connection relationship between the second diaphragm and the bottom bracing plate.

Description of the reference numerals:

1. a body; 2. a guard; 3. a carrying mechanism; 31. a jacking plate; 32. a support bar; 4. a gas-barrier mechanism; 41. an air barrier; 411. a first diaphragm; 412. a second diaphragm; 5. a mounting unit; 51. presetting a plate; 52. a connecting plate; 53. a directional screw rod; 54. a lock nut; 6. a connection unit; 61. a first magnetic strip; 62. a second magnetic strip; 63. an abutting piece; 7. a limiting unit; 71. a flanking film; 72. an adhesive member; 8. a tension unit; 81. a bottom supporting plate; 82. a counter-pulling piece; 821. an elastic tie; 822. a stop hook; 823. positioning the arc plate; 824. a tie is tied up; 9. a gas barrier region.

Detailed Description

The embodiment of the application discloses PAO leakage detection equipment for a high-efficiency filter.

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, the pao leakage detecting apparatus includes a body 1 and a guard 2. The machine body 1 is used for detecting the PAO filtering performance of the filter, and the protective device 2 is arranged around the periphery of the machine body 1 to reduce the leakage phenomenon of the PAO.

Referring to fig. 1, the protection device 2 includes a receiving mechanism 3, and the receiving mechanism 3 includes an abutting plate 31 and a plurality of support rods 32, in this embodiment, the number of the support rods 32 may be four. Four support rods 32 are welded at four corners of the bottom wall of the bottom support plate 81 in the vertical direction, and after the support rods 32 contact the ground, the top contact plate 31 is stably erected above the machine body 1.

Referring to fig. 1, the protection device 2 further includes an air-blocking mechanism 4, the air-blocking mechanism 4 includes a plurality of sets of air-blocking members 41, and in this embodiment, the number of the air-blocking members 41 may be four. All the air barriers 41 are disposed on the abutting plate 31, and each set of air barriers 41 is located between two adjacent supporting rods 32. For ease of viewing, the present embodiment shows only three of the air barriers 41.

Referring to fig. 1 and 2, each set of gas barrier 41 includes a first diaphragm 411 and a second diaphragm 412, and in order to ensure the application stability of the first diaphragm 411 and the second diaphragm 412 on the top connection plate 31, a mounting unit 5 for mounting the first diaphragm 411 and the second diaphragm 412 is arranged on the top connection plate 31.

Referring to fig. 2, the mounting unit 5 includes preset plates 51, a connecting plate 52, an orientation screw 53 and a lock nut 54, where the number of the preset plates 51 may be four, the four preset plates 51 are all integrated on the top connection plate 31 along the vertical direction, and each preset plate 51 is located between two adjacent support rods 32. The orientation screw 53 is welded perpendicularly to each preset plate 51.

Referring to fig. 2, the side walls of the first diaphragm 411 and the second diaphragm 412 facing the abutting plate 31 are respectively fixed with a connecting plate 52 by gluing, and after the connecting plate 52 abuts against the side walls of the preset plate 51 facing each other, the orientation screw 53 penetrates through the preset plate 51. At this time, the operator is screwed on the directional screw 53 through the lock nut 54, so that the connecting plate 52 is fixedly connected with the preset plate 51, and the first diaphragm 411 and the second diaphragm 412 are rapidly mounted on the abutting plate 31. At this time, the adjacent first diaphragm 411 and second diaphragm 412 close the gap between the adjacent two support rods 32, and the four sets of air-blocking members 41 and the receiving mechanism 3 together form the air-tight region 9 around the periphery of the machine body 1, so as to effectively reduce the PAO leakage phenomenon.

Referring to fig. 3 and 4, in order to reduce a connection gap between the first diaphragm 411 and the second diaphragm 412, a connection unit 6 is disposed between the first diaphragm 411 and the second diaphragm 412. The connecting unit 6 comprises a first magnetic strip 61 and a second magnetic strip 62, in this embodiment, the first magnetic strip 61 is a cathode magnet, the first magnetic strip 61 is adhesively connected to the sidewall of the first diaphragm 411 facing the second diaphragm 412, the first magnetic strip 61 extends along the extending direction of the first diaphragm 411, and the width dimension of the first magnetic strip 61 is smaller than the width dimension of the first diaphragm 411. The second magnetic strip 62 is an anode magnet, the second magnetic strip 62 is adhesively connected to the sidewall of the second diaphragm 412 facing the first diaphragm 411, the second magnetic strip 62 extends along the extending direction of the second diaphragm 412, and the width dimension of the second magnetic strip 62 is smaller than the width dimension of the second diaphragm 412.

Referring to fig. 4, when the first diaphragm 411 and the second diaphragm 412 freely fall, the adjacent first magnetic strips 61 and the adjacent second magnetic strips 62 are abutted and magnetically attracted, so that the adjacent first diaphragm 411 and the second diaphragm 412 are tightly connected, and a connection gap between the first diaphragm 411 and the second diaphragm 412 is reduced, thereby helping to reduce the PAO leakage phenomenon.

Referring to fig. 4, in order to reduce the connection gap between the first magnetic strip 61 and the second diaphragm 412 and the connection gap between the second magnetic strip 62 and the first diaphragm 411, the connection unit 6 further includes a fastening member 63. In this embodiment, the fastening member 63 may be a flexible and easily deformable rubber pad, the fastening member 63 is adhered to the sidewall of the first magnetic strip 61 facing the second diaphragm 412, and the fastening member 63 is also adhered to the sidewall of the second magnetic strip 62 facing the first diaphragm 411. The abutting member 63 abuts between the first magnetic strip 61 and the second diaphragm 412 and between the second magnetic strip 62 and the first diaphragm 411 through compression deformation of the abutting member, so as to further reduce the PAO leakage phenomenon from the gap between the first diaphragm 411 and the second diaphragm 412.

Referring to fig. 2 and 3, in order to improve the connection tightness between the support rod 32 and the first and

second diaphragms

411 and 412, the receiving mechanism 3 further includes a limiting unit 7. The limiting unit 7 includes a wing film 71 and an adhesive member 72, in this embodiment, the wing film 71 is adhered to each supporting rod 32, and when the first diaphragm 411 or the second diaphragm 412 freely hangs down, both the first diaphragm 411 and the second diaphragm 412 can be abutted against the wing film 71. The adhesive piece 72 is a magic tape, the sub tape of the adhesive piece 72 can be sewn on the wing membrane 71 through a rolling line, the mother tape of the adhesive piece 72 can be sewn on the first diaphragm 411 and the second diaphragm 412 through a rolling line, when the wing membrane 71 is abutted against the first diaphragm 411 and the second diaphragm 412, the sub tape of the adhesive piece 72 is adhered to the mother tape so as to limit the position of the wing membrane 71 relative to the first diaphragm 411 and the second diaphragm 412, and further the phenomenon that the PAO leaks from the gap between the support rod 32 and the first diaphragm 411 and the second diaphragm 412 is effectively reduced.

Referring to fig. 1, in order to reduce the PAO leakage from the gaps between the first diaphragm 411, the second diaphragm 412 and the ground, the receiving mechanism 3 further includes a tension unit 8. The tensioning unit 8 comprises a bottom bracing plate 81 and a counter-pulling piece 82, wherein the bottom bracing plate 81 is welded between two adjacent support rods 32 along the horizontal direction, and the bottom bracing plate 81 is arranged in a clinging manner. When the first diaphragm 411 and the second diaphragm 412 freely fall, the first diaphragm 411 and the second diaphragm 412 respectively abut against the bottom support plate 81.

Referring to fig. 5, the opposite pulling member 82 includes an elastic strap 821, a stop hook 822 and a positioning arc plate 823, in this embodiment, the elastic strap 821 is an elastic band, one end of the elastic strap 821 is sewn with the first diaphragm 411 and the second diaphragm 412 by a thread, and the stop hook 822 is adhesively connected to one end of the elastic strap 821 far away from the first diaphragm 411 or the second diaphragm 412.

Referring to fig. 5, a positioning arc plate 823 is welded to the bottom support plate 81, and an operator connects the stopping hook 822 to the positioning arc plate 823 by stretching the elastic band 821. At this time, the elastic strap 821 makes the stop hook 822 and the positioning arc plate 823 pull against each other under the elastic force of the elastic strap 821, so as to effectively reduce the phenomenon that the first diaphragm 411 and the second diaphragm 412 freely displace relative to the bottom supporting plate 81, and reduce the phenomenon that the PAO leaks from the gap between the first diaphragm 411, the second diaphragm 412 and the bottom supporting plate 81.

Referring to fig. 5, in order to reduce the influence of the stop hook 822 on the normal use of the first and

second diaphragms

411 and 412, the opposite pull member 82 further includes a tightening strap 824. In this embodiment, the tightening strap 824 is an elastic band, and two ends of the tightening strap 824 in the length direction are respectively sewn on the first diaphragm 411 and the second diaphragm 412 by rolling lines. When the stop hook 822 is in the standby state, an operator passes the stop hook 822 through the tightening lace 824, and tightens the stop hook 822 through the tightening lace 824 so as to reduce the phenomenon that the stop hook 822 freely shakes on the first diaphragm 411 and the second diaphragm 412.

The implementation principle of the PAO leakage detection equipment for the high-efficiency filter is as follows: when the machine body 1 detects the PAO leakage of the filter, the first diaphragm 411 and the second diaphragm 412 freely drop. At this time, the first magnetic strip 61 and the second magnetic strip 62 are abutted and magnetically attracted to reduce a connection gap between the first diaphragm 411 and the second diaphragm 412. The wing films 71 are close to the first diaphragm 411 or the second diaphragm 412 and connected by the adhesive 72 to reduce the connecting gap between the support bar 32 and the first diaphragm 411 or the second diaphragm 412. The operator pulls the elastic tie 821 to connect the stop hook 822 with the positioning arc plate 823, so as to reduce the connection gap between the first diaphragm 411, the second diaphragm 412 and the bottom brace 81. At this time, the four air barriers 41 and the receiving mechanism 3 together form the air-tight region 9 around the periphery of the machine body 1, so as to effectively reduce the PAO leakage phenomenon.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a PAO leakage detection equipment for high efficiency filter, includes organism (1), its characterized in that: the detection equipment further comprises a protection device (2), wherein the protection device (2) comprises a bearing mechanism (3) and an air isolation mechanism (4); the bearing mechanism (3) comprises a jacking plate (31) and a plurality of support rods (32), and all the support rods (32) are arranged on the jacking plate (31), so that the jacking plate (31) is erected above the machine body (1); the air isolation mechanism (4) comprises a plurality of groups of air isolation pieces (41), and all the air isolation pieces (41) are arranged on the jacking plate (31) to form an air isolation area (9) for reducing the leakage of PAO around the periphery of the machine body (1); each set of the gas-barrier members (41) comprises a first diaphragm (411) and a second diaphragm (412); the jacking plate (31) is provided with an installation unit (5) for installing a first diaphragm (411) and a second diaphragm (412), and a connection unit (6) for reducing leakage of PAO is arranged between the first diaphragm (411) and the second diaphragm (412); the connecting unit (6) comprises a first magnetic strip (61) and a second magnetic strip (62); the first magnetic strip (61) is arranged on the side wall, facing the second diaphragm (412), of the first diaphragm (411), the second magnetic strip (62) is arranged on the side wall, facing the first diaphragm (411), of the second diaphragm (412), and the first magnetic strip (61) and the second magnetic strip (62) are abutted to each other in a magnetic attraction mode.

2. The PAO leak detection apparatus for a high efficiency filter according to claim 1, wherein: the mounting unit (5) comprises a preset plate (51), a connecting plate (52), an orientation screw rod (53) and a locking nut (54); the connecting plates (52) are respectively arranged on the first diaphragm (411) and the second diaphragm (412); the preset plate (51) is arranged on the jacking plate (31), the directional screw rod (53) is arranged on the preset plate (51), the directional screw rod (53) penetrates through the connecting plate (52), and the locking nut (54) is in threaded connection with the directional screw rod (53).

3. The PAO leak detection apparatus for a high efficiency filter according to claim 1, wherein: the connecting unit (6) further comprises a propping piece (63), and the propping piece (63) is respectively arranged on the first magnetic strip (61) and the second magnetic strip (62).

4. The PAO leak detection apparatus for a high efficiency filter according to claim 1, wherein: the supporting mechanism (3) further comprises a limiting unit (7), and the limiting unit (7) comprises a wing membrane (71) and an adhesion piece (72); the wing membrane (71) is arranged on the support rod (32), and the connecting piece is used for connecting the wing membrane (71) with the first diaphragm (411) and the second diaphragm (412).

5. The PAO leak detection apparatus for a high-efficiency filter according to claim 1, wherein: the supporting mechanism (3) further comprises a tensioning unit (8), and the tensioning unit (8) comprises a bottom supporting plate (81) and a counter-pulling piece (82); the bottom supporting plate (81) is arranged between two adjacent supporting rods (32) so as to reduce gaps between the first diaphragm (411), the second diaphragm (412) and the ground; the pulling piece (82) is used for connecting the bottom supporting plate (81), the first diaphragm (411) and the second diaphragm (412).

6. The PAO leak detection apparatus for a high efficiency filter according to claim 5, wherein: the counter-pulling piece (82) comprises an elastic lace (821), a stop hook (822) and a positioning arc plate (823); one end of the elastic tie (821) is arranged on the first diaphragm (411) and the second diaphragm (412), and the stopping hook (822) is arranged at the other end of the elastic tie (821); the positioning arc plate (823) is arranged on the bottom supporting plate (81), and the stop hook (822) is connected with the positioning arc plate (823).

7. The PAO leak detection apparatus for a high efficiency filter according to claim 5, wherein: the counter-pulling piece (82) further comprises a bundling lace (824), and the bundling lace (824) is arranged on the first diaphragm (411) and the second diaphragm (412); a stop hook (822) penetrating through the binding lace (824) is positioned on the first diaphragm (411) or the second diaphragm (412).