CN111257189B - Many specifications air high efficiency filter detection device - Google Patents
Many specifications air high efficiency filter detection device Download PDFInfo
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- CN111257189B CN111257189B CN201911244556.4A CN201911244556A CN111257189B CN 111257189 B CN111257189 B CN 111257189B CN 201911244556 A CN201911244556 A CN 201911244556A CN 111257189 B CN111257189 B CN 111257189B
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 239000002245 particle Substances 0.000 claims abstract description 89
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 19
- 239000000443 aerosol Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
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Abstract
The invention discloses a multi-specification air high-efficiency filter detection device, and aims to overcome the defects that the air high-efficiency filter detection device is poor in universality, poor in sealing performance in a detection process and prone to leakage of particles from the outer side of a frame of an air high-efficiency filter. The particle detector comprises a rack, a pressure equalizing box, a workbench, a detection seat and a particle detector, wherein the workbench is arranged at the upper end of a bracket, the detection seat and the pressure equalizing box are arranged at the upper side and the lower side of the workbench, the particle detector is arranged above the workbench and can move in the X-axis direction and the Y-axis direction, the upper end of the pressure equalizing box is provided with an airflow outlet, the detection seat is provided with a plurality of stages of step-shaped detection holes, a transition surface is arranged between two adjacent steps in the detection holes, a circle of sealing groove for containing sealing liquid is arranged on the transition surface, the lower end of the detection seat is tightly connected to the upper end of the pressure equalizing box, the detection holes are communicated with the airflow outlet, the particle detector is provided with a liftable particle probe, and the particle probe is arranged towards the detection holes.
Description
Technical Field
The invention relates to a filter detection device, in particular to a multi-specification air high-efficiency filter detection device.
Background
At present, when the quality performance of the high-efficiency filter is detected, special equipment is needed to detect the particle leakage of the high-efficiency filter, but the detection equipment is expensive and has poor universality. Because the high-efficiency filter is a product with a fragile structure and is possibly damaged in the transportation process, the factory using the high-efficiency filter is very important to carry out one-time warehousing detection on the incoming materials. And the air high efficiency filter specification is various, and the detection device commonly used now can only detect the air high efficiency filter of single specification, and the commonality is poor, and the leakproofness is not good in the testing process moreover, and the particle is easy to leak from the frame outside of air high efficiency filter to influence the accuracy that detects.
Disclosure of Invention
The invention overcomes the defects that the universality of the detection device of the air high-efficiency filter is poor, the sealing performance is poor in the detection process, and particles are easy to leak from the outer side of the frame of the air high-efficiency filter, and provides the detection device of the air high-efficiency filter with multiple specifications, which has good universality, is suitable for the detection of the air high-efficiency filters with multiple different specifications, has good sealing performance in the detection process, and avoids the phenomenon that the particles leak from the outer side of the frame of the air high-efficiency filter.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a many specifications air high efficiency filter detection device, which comprises a frame, the pressure-equalizing box, the workstation, detect the seat, the particle detector, the workstation is installed in the support upper end, detect seat and pressure-equalizing box and install both sides about the workstation, the particle detector is arranged in the workstation top and can be moved on X axle and Y axle direction, pressure-equalizing box upper end is equipped with the air outlet, be equipped with the inspection hole that is a plurality of grades of step forms on the detection seat, be equipped with the transition face between two adjacent steps in the inspection hole, be equipped with the round seal groove that is used for the splendid attire sealing liquid on the transition face, detect seat lower extreme zonulae occludens and inspection hole and air outlet intercommunication in pressure-equalizing box upper end, the last particle probe that is equipped with the liftable that is equipped with of particle detector, particle probe sets up towards the inspection hole.
During detection, the air high-efficiency filter is installed in the detection hole in the detection seat, and the detection hole is of a plurality of stages of step-shaped structures, so that the air high-efficiency filter can be suitable for installation of air high-efficiency filters with various sizes and specifications, the detection seats with different sizes and specifications can be replaced in the actual detection process, the sizes and specifications of the detection hole are further increased, and the universality is improved. The sealing groove is filled with sealing liquid, and after the lower surface of the frame of the air high-efficiency filter is attached to the transition surface, the sealing liquid is attached to the sealing liquid, so that the sealing liquid has a good isolation and sealing effect, and particles are prevented from leaking from the outer side of the frame of the air high-efficiency filter during testing. After the air high-efficiency filter is installed in place, aerosol is introduced into the pressure equalizing box, the aerosol is uniformly distributed in the pressure equalizing box, the particle detector works, the particle probe is lifted to a proper position, an opening at the lower end of the particle probe is close to the upper surface of the air high-efficiency filter, and the particle detector moves in the X-axis direction and the Y-axis direction, so that the particle probe sweeps across the upper surface of the air high-efficiency filter to detect particles discharged by the air high-efficiency filter. Each position of the air high-efficiency filter is swept by the particle probe, the particle discharge condition of each swept position can be accurately detected, and the detection is accurate and reliable. The multi-specification air high-efficiency filter detection device is good in universality, suitable for detection of air high-efficiency filters of various specifications, good in sealing performance in the detection process and capable of avoiding the phenomenon that particles leak from the outer side of the frame of the air high-efficiency filter.
Preferably, the left and right sides of the worktable are provided with X-axis guide rails, a Y-axis guide rail is slidably mounted between the two X-axis guide rails, and the particle detector is slidably mounted on the Y-axis guide rail. The Y-axis guide rail slides on the X-axis guide rail, and the particle detector slides on the Y-axis guide rail, so that the particle detector can move in the X-axis direction and the Y-axis direction.
Preferably, a positioning convex frame is arranged on the edge of an airflow outlet at the upper end of the pressure equalizing box, a connecting flaring is arranged at the opening position of a detection hole at the lower end of the detection seat, and the positioning convex frame is tightly arranged in the connecting flaring. The connection between the pressure equalizing box and the detection seat is tight and reliable.
Preferably, the inner wall of the detection hole is provided with a wire passing drainage hole at a position close to each transition surface. And after the lower surface of the frame of the air efficient filter is attached to the transition surface, the sealing liquid discharged from the sealing groove is discharged through the through-line water discharging hole.
Preferably, the side wall of the pressure equalizing box is provided with an aerosol injection port and a blast port, and the blast port is connected with a blower. The aerosol is injected through the aerosol injection port, and the air blower is blown into the air in the pressure equalizing box to make the aerosol more evenly distribute in the pressure equalizing box, keeps certain pressure in the pressure equalizing box simultaneously.
Preferably, the particle detector is provided with a vacuum generator and a particle guide pipe capable of lifting, the vacuum generator is communicated with the particle guide pipe, and the particle probe is arranged at the lower end of the guide pipe. The vacuum generator is communicated with the particle flow guide pipe, so that negative pressure is formed at the end part of the particle probe, and the particles are conveniently adsorbed.
Preferably, the particle detector is detachably connected with a flow guide pipe pressing block, the particle flow guide pipe is clamped between the flow guide pipe pressing block and the particle detector, and the particle flow guide pipe can be vertically adjusted in clamping position. When the upper and lower positions of the particle guide pipe need to be adjusted, the guide pipe pressing block is loosened, and after the particle guide pipe is adjusted in place up and down, the guide pipe pressing block is fastened, so that the particle guide pipe is tightly clamped between the guide pipe pressing block and the particle detector.
Preferably, a circle of air bag ring is installed in each sealing groove, locking plates are hinged to the left side and the right side of each detection seat, the end portions of the locking plates are in threaded connection with locking columns, piston cavities are formed in the locking columns, piston rods are installed in the piston cavities, the lower ends of the piston rods extend out of the lower ends of the locking columns, return springs are installed between the upper ends of the piston rods and the inner walls of the piston cavities, switching joints are installed on the detection seats, air inflation pipes are connected to the upper ends of the piston cavities and in front of the switching joints, air supply pipes are communicated between the air bag rings and the switching joints, one-way air inlet valves are installed on the air supply pipes, and the switching joints can be switched to one air supply pipe to be communicated with the air inflation pipes.
Air high efficiency filter installs in the detection hole on detecting the seat, after the installation targets in place, and after air high efficiency filter frame lower surface laminated the transition face, then rotated the locking board, made the locking post aim at air high efficiency filter frame upper surface, fastened the locking with the locking board. And switching the switching joint to enable the air supply pipe on the air bag ring at the position corresponding to the transition surface to be communicated with the inflation pipe. And then the locking column is rotated downwards, the lower end of the piston rod is contacted with the upper surface of the frame of the high-efficiency air filter, the locking column is continuously rotated, the piston rod moves upwards relative to the locking column, so that air in the piston cavity flows through the inflation tube and the air supply tube and then is pressed into the air bag ring, the air bag ring bulges outwards, the liquid level of the sealing liquid rises, the sealing liquid in the sealing groove is ensured to submerge the lower surface of the frame, and the sealing performance is improved. The locking column rotates until the lower end of the piston rod is tightly pressed on the upper surface of the frame, so that the air high-efficiency filter is locked. The structure arrangement not only increases the reliability of the air high-efficiency filter after being installed in the detection hole, but also is beneficial to improving the sealing performance between the lower surface of the frame and the detection hole and improving the detection accuracy.
Preferably, the switching joint comprises a connecting seat and a swivel base, the swivel base is rotatably mounted on the connecting seat, the connecting seat is tightly connected on the detection seat, a plurality of air supply holes are formed in the connecting seat in a one-to-one correspondence mode with the air supply pipes, the air supply holes are uniformly distributed, an air charging hole is formed in the swivel base, the air charging hole can coincide with the air supply holes along with the rotation of the swivel base, the air charging pipes are communicated with the air charging holes, and the air supply pipes are communicated with the air supply holes in a one-to-one correspondence mode.
When the switching connector is switched, the rotary seat rotates to enable the air charging hole on the rotary seat to be communicated with a certain air supply hole on the connecting seat, so that the air charging pipe is communicated with the air supply pipe, and the switching operation is convenient and reliable.
Preferably, the detection seat and the locking plate are connected with an arc-shaped sliding plate, the sliding plate is provided with an arc-shaped sliding groove, the locking plate is connected with a sliding column, the sliding column is slidably mounted in the sliding groove, the sliding column is in threaded connection with a locking nut, and the locking nut abuts against the upper surface of the sliding plate.
In the rotation process of the locking plate, a sliding column on the locking plate slides in a sliding groove on the sliding plate, and after the locking plate rotates in place, a locking nut is tightly connected to the sliding column, so that the locking plate and the sliding plate are tightly connected together. The arrangement of the sliding plate improves the connection stability of the locking plate, and the locking effect of the locking column on the air efficient filter is favorably improved.
Compared with the prior art, the invention has the beneficial effects that: many specifications air high efficiency filter detection device's commonality is good, is applicable to the detection of the air high efficiency filter of multiple different specifications, and the leakproofness is good among the testing process, has avoided the phenomenon that the particle is leaked from the frame outside of air high efficiency filter.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the construction of the surge tank of the present invention;
FIG. 3 is a schematic view of the structure of the test socket according to embodiment 1 of the present invention;
FIG. 4 is a sectional view of a test socket according to embodiment 1 of the present invention;
FIG. 5 is a plan view of a test socket according to embodiment 2 of the present invention;
FIG. 6 is a sectional view of a test socket according to embodiment 2 of the present invention;
fig. 7 is a cross-sectional view of a switching joint of embodiment 2 of the invention;
in the figure: 1. a frame, 2, a pressure equalizing box, 3, a workbench, 4, a detection seat, 5, a particle detector, 6, an airflow outlet, 7, a detection hole, 8, a transition surface, 9, a sealing groove, 10, a particle probe, 11, a positioning convex frame, 12, a connecting flaring, 13, an aerosol injection port, 14, a blower, 15, a wire passing drainage hole, 16, an X-axis guide rail, 17, a Y-axis guide rail, 18, an X-axis slide block, 19, a Y-axis slide block, 20, an X-axis motor, 21, a rotating shaft, 22, a Y-axis motor, 23, an electrical cabinet, 24, a particle guide pipe, 25, a guide pipe pressing block, 26, an air efficient filter, 27, an air bag ring, 28, a mounting groove, 29, a locking plate, 30, a support, 31, a mounting column, 32, a locking column, 33, a piston cavity, 34, a piston rod, 35, a reset spring, 36, a switching joint, 37, an inflation pipe, 38, an air supply pipe, 39 and a connecting seat, 40. the device comprises a rotary seat, 41, an air supply hole, 42, an air charging hole, 43, a rotary handle, 44, a positioning flange, 45, a positioning ring, 46, a sliding plate, 47, a sliding groove, 48 and a sliding column.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: the utility model provides a many specifications air high efficiency filter detection device (see attached drawing 1 to attached drawing 4), which comprises a frame 1, the pressure-equalizing box 2, workstation 3, detect seat 4, particle detector 5, the workstation is installed in the support upper end, detect seat and pressure-equalizing box and install both sides about the workstation, particle detector arranges the workstation top in and can move in X axle and Y axle direction in, pressure-equalizing box upper end is equipped with air outlet 6, be equipped with the inspection hole 7 that is a plurality of grades of step form on the detection seat, the inspection hole is rectangular structure and big-end-up, be equipped with transition face 8 between the two adjacent steps in the inspection hole, be equipped with the seal groove 9 that the round is used for splendid attire sealing liquid on the transition face, detect seat lower extreme zonulae occludens in pressure-equalizing box upper end and inspection hole and air outlet intercommunication, be equipped with liftable particle probe 10 on the particle detector, particle probe sets up towards the inspection hole. The detection seat and the pressure equalizing box are detachably connected, the detection seats with different sizes can be replaced in the actual detection process, the sizes of the detection holes are further increased, and the universality is improved.
The edge of an airflow outlet at the upper end of the pressure equalizing box is provided with a positioning convex frame 11, the opening position of a detection hole at the lower end of the detection seat is provided with a connection flaring 12, and the positioning convex frame is tightly installed in the connection flaring. The side wall of the pressure equalizing box is provided with an aerosol injection port 13 and a blast port, and the blast port is connected with a blast blower 14. And a wire passing drain hole 15 is formed in the inner wall of the detection hole and close to each transition surface. X-axis guide rails 16 are arranged on the left side and the right side of the workbench, a Y-axis guide rail 17 is slidably mounted between the two X-axis guide rails, and the particle detector is slidably mounted on the Y-axis guide rail. X-axis synchronous belts are arranged on the two X-axis guide rails, Y-axis synchronous belts are arranged on the Y-axis guide rails, two ends of each Y-axis guide rail are fixedly connected with an X-axis sliding block 18, and the X-axis sliding blocks are slidably arranged on the X-axis guide rails and connected with the X-axis synchronous belts; a Y-axis sliding block 19 is slidably arranged on the Y-axis guide rail, the particle detector is arranged on the Y-axis sliding block, and the Y-axis sliding block is connected with a Y-axis synchronous belt; an X-axis motor 20 is arranged on an X-axis guide rail, an output shaft of the X-axis motor is in transmission connection with a rotating shaft 21, a driving wheel is arranged on the rotating shaft and corresponds to two X-axis synchronous belts, and the X-axis synchronous belts are connected with the driving wheel; one end of the Y-axis guide rail is provided with a Y-axis motor 22, the output shaft of the Y-axis motor is connected with a belt wheel, and a Y-axis synchronous belt is connected with the belt wheel.
The particle detector is provided with a vacuum generator and a particle guide pipe 24 capable of lifting, the vacuum generator is communicated with the particle guide pipe, and the particle probe is arranged at the lower end of the guide pipe. The particle detector is detachably connected with a guide pipe pressing block 25, the guide pipe pressing block is connected to the particle detector through a locking screw, the particle guide pipe is clamped between the guide pipe pressing block and the particle detector, and the clamping position of the particle guide pipe can be adjusted up and down. An electrical cabinet 23 is arranged on the frame, a PLC is arranged in the electrical cabinet, and the PLC controls the X-axis motor, the Y-axis motor, the blower and the particle detector to work.
During detection, the air high-efficiency filter 26 is installed in a detection hole on the detection seat, and the detection hole is of a multi-stage step-shaped structure, so that the air high-efficiency filter can be suitable for installation of air high-efficiency filters with various dimensions. The seal groove is filled with sealing liquid, water is used as the sealing liquid in the embodiment, and after the lower surface of the frame of the air high-efficiency filter is attached to the transition surface, the sealing liquid is attached to the sealing liquid, so that the sealing liquid has a good isolation and sealing effect, and particles are prevented from leaking from the outer side of the frame of the air high-efficiency filter during testing. After the air high-efficiency filter is installed in place, aerosol is introduced into the pressure equalizing box, the aerosol is uniformly distributed in the pressure equalizing box, the particle detector works, the particle probe is lifted to a proper position, an opening at the lower end of the particle probe is close to the upper surface of the air high-efficiency filter, and the particle detector moves in the X-axis direction and the Y-axis direction, so that the particle probe sweeps across the upper surface of the air high-efficiency filter to detect particles discharged by the air high-efficiency filter. Each position of the air high-efficiency filter is swept by the particle probe, the particle discharge condition of each swept position can be accurately detected, and the detection is accurate and reliable. The multi-specification air high-efficiency filter detection device is good in universality, suitable for detection of air high-efficiency filters of various specifications, good in sealing performance in the detection process and capable of avoiding the phenomenon that particles leak from the outer side of the frame of the air high-efficiency filter. The multi-specification air high-efficiency filter detection device is low in manufacturing cost, and the price is only 1/5 of similar equipment; the volume of the equipment is greatly reduced; the equipment is convenient to maintain; the requirement on the use environment of the equipment is low, and the requirement can be met by a common D-level environment; the detection efficiency can be adjusted according to the requirements.
Example 2: the utility model provides a many specifications air high efficiency filter detection device (see fig. 5 to fig. 7), its structure is similar with embodiment 1, and the main difference lies in all installing round gasbag circle 27 in the seal groove in this embodiment, is equipped with round mounting groove 28 on the seal groove bottom surface, and the mounting groove is rectangular frame column structure, and the installation of gasbag circle is fixed in the mounting groove. The left side and the right side of the detection seat are hinged with locking plates 29, a support 30 is arranged on the detection seat and at the hinged position of the locking plates, a mounting column 31 is arranged on the support, the locking plates are rotatably sleeved on the mounting column, the locking plates are supported on the support, the upper end of the mounting column is connected with a locking threaded sleeve, and the locking threaded sleeve is abutted against the locking plates. The end part of the locking plate is in threaded connection with a locking column 32, a piston cavity 33 is arranged in the locking column, a piston rod 34 is arranged in the piston cavity, the piston cavity and the piston rod are both in a T shape, the lower end of the piston rod extends out of the lower end of the locking column, a reset spring 35 is arranged between the upper end of the piston rod and the inner wall of the piston cavity, two switching joints 36 are arranged on the detection seat, and the two switching joints and the locking column are arranged in a one-to-one correspondence manner. The upper end of the piston cavity and the front of the switching joint are connected with an air charging pipe 37, an air feeding pipe 38 is communicated between the air bag ring and the switching joint, a one-way air inlet valve is arranged on the air feeding pipe, and the switching joint can be switched to a certain air feeding pipe to be communicated with the air charging pipe. The switching joint comprises a connecting seat 39 and a rotary seat 40, the rotary seat is rotatably mounted on the connecting seat, the connecting seat is tightly connected on the detection seat, a plurality of air supply holes 41 are formed in the connecting seat and correspond to the air supply pipes one by one, the air supply holes are uniformly distributed, an air supply hole 42 is formed in the rotary seat, the air supply hole can coincide with the air supply hole along with the rotation of the rotary seat, the air supply pipes are communicated with the air supply holes, and the air supply pipes are communicated with the air supply holes in a one-to-one correspondence manner. A plurality of rotating handles 43 are uniformly distributed on the outer wall of the rotating seat, a positioning groove is formed in the upper end face of the connecting seat, a positioning flange 44 is arranged at the lower end of the rotating seat, the positioning flange is mounted in the positioning groove in an adaptive mode, a positioning ring 45 is tightly connected to the upper end of the connecting seat, and the positioning ring is attached to the upper end face of the positioning flange. The connecting seat is provided with fixed mark bulges corresponding to the air supply holes one by one, the rotating seat is provided with movable mark bulges corresponding to the air charging holes, and after the movable mark bulges are aligned with the fixed mark bulges, the corresponding air charging holes and the air supply holes are correspondingly superposed and communicated.
The detection seat and the locking plate are connected with an arc-shaped sliding plate 46 in corresponding positions, an arc-shaped sliding groove 47 is formed in the sliding plate, a sliding column 48 is connected to the locking plate, the sliding column is slidably mounted in the sliding groove, a locking nut is connected to the sliding column in a threaded mode, and the locking nut abuts against the upper surface of the sliding plate. The other structure is the same as embodiment 1.
Air high efficiency filter installs in the detection hole on detecting the seat, after the installation targets in place, and after air high efficiency filter frame lower surface laminated the transition face, then rotated the locking board, made the locking post aim at air high efficiency filter frame upper surface, fastened the locking with the locking board. And switching the switching joint to enable the air supply pipe on the air bag ring at the position corresponding to the transition surface to be communicated with the inflation pipe. And then the locking column is rotated downwards, the lower end of the piston rod is contacted with the upper surface of the frame of the high-efficiency air filter, the locking column is continuously rotated, the piston rod moves upwards relative to the locking column, so that air in the piston cavity flows through the inflation tube and the air supply tube and then is pressed into the air bag ring, the air bag ring bulges outwards, the liquid level of the sealing liquid rises, the sealing liquid in the sealing groove is ensured to submerge the lower surface of the frame, and the sealing performance is improved. The locking column rotates until the lower end of the piston rod is tightly pressed on the upper surface of the frame, so that the air high-efficiency filter is locked. The structure arrangement not only increases the reliability of the air high-efficiency filter after being installed in the detection hole, but also is beneficial to improving the sealing performance between the lower surface of the frame and the detection hole and improving the detection accuracy.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (9)
1. A multi-specification air high-efficiency filter detection device is characterized by comprising a rack, a pressure equalizing box, a workbench, a detection seat and a particle detector, wherein the workbench is arranged at the upper end of a support, the detection seat and the pressure equalizing box are respectively arranged at the upper side and the lower side of the workbench, the particle detector is arranged above the workbench and can move in the X-axis direction and the Y-axis direction, the upper end of the pressure equalizing box is provided with an air flow outlet, the detection seat is provided with a plurality of stages of step-shaped detection holes, a transition surface is arranged between two adjacent steps in the detection holes, a circle of sealing groove for containing sealing liquid is arranged on the transition surface, the lower end of the detection seat is tightly connected to the upper end of the pressure equalizing box, the detection holes are communicated with the air flow outlet, the particle detector is provided with a liftable particle probe, and the particle probe is arranged towards the detection holes; all install round gasbag circle in the seal groove, it has the locking board all to articulate to detect the seat left and right sides, locking board tip threaded connection locking post, be equipped with the piston chamber in the locking post, piston rod is installed to the piston intracavity, the piston rod lower extreme extends locking post lower extreme, install reset spring between piston rod upper end and the piston intracavity wall, install the crossover sub on the detection seat, connect the gas tube before piston chamber upper end and the crossover sub, communicate the air feed pipe between gasbag circle and the crossover sub, install one-way admission valve on the air feed pipe, the crossover sub can switch to a certain air feed pipe and gas tube intercommunication.
2. The detecting device for the high-efficiency air filter of claim 1, wherein X-axis guide rails are arranged on the left side and the right side of the workbench, a Y-axis guide rail is slidably arranged between the X-axis guide rails, and the particle detector is slidably arranged on the Y-axis guide rail.
3. The detecting device for the multi-specification air high-efficiency filter as claimed in claim 1, wherein a positioning convex frame is arranged on the edge of an airflow outlet at the upper end of the pressure equalizing box, a connecting flaring is arranged at the opening position of a detecting hole at the lower end of the detecting seat, and the positioning convex frame is tightly installed in the connecting flaring.
4. The detecting device for the multi-specification air high-efficiency filter as claimed in claim 1, wherein the inner wall of the detecting hole is provided with a through-line drainage hole at a position close to each transition surface.
5. The detecting device for the multi-specification air high-efficiency filter as claimed in claim 1, wherein the side wall of the pressure equalizing box is provided with an aerosol injection port and a blast port, and the blast port is connected with a blast blower.
6. The detecting device for the multi-specification air high-efficiency filter as claimed in any one of claims 1 to 5, wherein a vacuum generator and a particle guide pipe capable of ascending and descending are installed on the particle detector, the vacuum generator is communicated with the particle guide pipe, and a particle probe is installed at the lower end of the guide pipe.
7. The detecting device for the multi-specification air high-efficiency filter as claimed in claim 6, wherein the particle detector is detachably connected with a flow guide tube pressing block, the particle flow guide tube is clamped between the flow guide tube pressing block and the particle detector, and the clamping position of the particle flow guide tube is adjusted up and down.
8. The detecting device for the high efficiency filter of air of claim 1, wherein the switching joint comprises a connecting seat and a rotary seat, the rotary seat is rotatably mounted on the connecting seat, the connecting seat is tightly connected to the detecting seat, a plurality of air supply holes are formed in the connecting seat and correspond to the air supply pipes one by one, the air supply holes are uniformly distributed, an air supply hole is formed in the rotary seat, the air supply hole can coincide with the air supply hole when the rotary seat rotates, the air supply pipe is communicated with the air supply hole, and the air supply pipe is communicated with the air supply hole in one by one correspondence.
9. The detecting device for the multi-specification air high-efficiency filter as claimed in claim 1, wherein the detecting seat is connected with an arc-shaped sliding plate at a position corresponding to the locking plate, the sliding plate is provided with an arc-shaped sliding groove, the locking plate is connected with a sliding column, the sliding column is slidably installed in the sliding groove, the sliding column is in threaded connection with a locking nut, and the locking nut abuts against the upper surface of the sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244556.4A CN111257189B (en) | 2019-12-06 | 2019-12-06 | Many specifications air high efficiency filter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244556.4A CN111257189B (en) | 2019-12-06 | 2019-12-06 | Many specifications air high efficiency filter detection device |
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| CN113092416B (en) * | 2021-03-11 | 2022-05-17 | 山东安益矿用设备股份有限公司 | Gas concentration detection case in coal mine tunnel |
| CN113070844B (en) * | 2021-03-30 | 2022-03-25 | 美埃(中国)环境科技股份有限公司 | Fast-assembly locking mechanism for inclined shaft pressing block and working method |
| CN113984624A (en) * | 2021-10-28 | 2022-01-28 | 苏州君洁空调净化设备有限公司 | Detection device for high-efficiency filter |
| CN117629847A (en) * | 2023-12-06 | 2024-03-01 | 广州玖胜净化技术有限公司 | Air filter windage testing platform |
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