CN218865393U - Air cleaner scanning leak hunting device - Google Patents
Air cleaner scanning leak hunting device Download PDFInfo
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- CN218865393U CN218865393U CN202223558170.0U CN202223558170U CN218865393U CN 218865393 U CN218865393 U CN 218865393U CN 202223558170 U CN202223558170 U CN 202223558170U CN 218865393 U CN218865393 U CN 218865393U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses an air cleaner scanning leak hunting device, including scanning subassembly and drive assembly, wherein, the scanning subassembly includes scanning probe and sampling pipe, and scanning probe is the tubular structure, and scanning probe's length and the length phase-match that waits to detect air cleaner can once realize the sampling of whole line, have a plurality of scanning holes on the scanning probe, and the scanning hole is linked together with the sampling pipe, and the sampling pipe can link to each other with particle counter or photometer to accomplish the scanning smoothly, confirm the leak source position, the utility model discloses utilize the driver among the drive assembly to drive the scanning subassembly motion, the scanning subassembly can once accomplish along the support motion and wait to detect air cleaner's scanning leak hunting work, improved the leak hunting work efficiency of device. It should also be emphasized that the radial cross section of the scanning probe includes a narrow diameter end, and the narrow diameter end is disposed close to the air filter to be detected, so that the wind resistance of the scanning probe is reduced, and the interference of the scanning probe to the air direction of the air filter is reduced.
Description
Technical Field
The utility model relates to an air cleaner leak hunting equipment and peripheral supporting facility technical field especially relate to an air cleaner scanning leak hunting device.
Background
The high-efficiency filter is an important component of the air purifier, can be applied to a plurality of channels, and is mainly an industrial channel, because the cleanness degree is higher, the resistance is smaller, and the small dust in the air can be effectively filtered, and in a clean dustless room, no matter the high-efficiency air filter is arranged at the tail end of the air purifying and conditioning unit or the high-efficiency air filter is arranged at a high-efficiency air supply outlet, the accurate running time record and the cleanness and the air volume are required to be used as the replacement basis. If the high-efficiency air filter is used normally, the service life of the high-efficiency filter can be as long as more than one year, if the front end protection is well performed, the service life of the high-efficiency filter can be as long as more than two years, and of course, the service life of the high-efficiency filter is longer or longer according to the quality of the high-efficiency air filter.
And (4) detecting the leakage of the high-efficiency filter, namely detecting the integrity of the high-efficiency filter (commonly called high-efficiency filter leakage detection). The purpose of leak detection is to timely find the defects possibly existing in the high-efficiency filter and the installation by checking the tightness of the high-efficiency filter and the connection part of the high-efficiency filter and the installation frame, and adopt corresponding remedial measures to ensure the cleanliness of the region. The principle is that the concentration of particles at the upstream and downstream is measured by an aerosol photometer to obtain the leakage rate. The used devices are an aerosol generator and an aerosol photometer, and the devices are connected through an air supply hose.
The leakage detection device in the prior art mainly comprises a manual leakage detection device and an electric leakage detection device, wherein the manual leakage detection device is that a handheld sampling head approaches the surface of a filter element, if the filter element is not well installed or the filter element is damaged, some tiny particles can penetrate through the filter element and are collected by the sampling head, and a detector reads the number and diameter data of the particles; the electric leakage detection collects particles for the long-rod type sampling head which is electrically controlled to lift, can collect the particles line by line, and can complete the detection of the whole surface at one time. The top end of the long rod type sampling head is provided with a joint which is connected with the detector.
The following disadvantages exist in the detection using a hand-held instrument: because manual handheld operation is adopted, the speed is difficult to control, so that the leak point is difficult to accurately position in the scanning process, the randomness is large, the detection error is large, the performance of the detected object is difficult to accurately evaluate, the time and the labor are wasted, the efficiency is low, and the method cannot be suitable for large-batch rapid detection. In addition, the electric leakage detection device in the prior art mostly adopts a scanning sampling head for detecting a high-efficiency filter: the suction inlet is rectangular or square, the length-width ratio of the sampling port is lower than 15, the length of the sampling port is short, and a plurality of sampling ports need to be configured, so that the scanning of the whole filter can be completed only by the X-Y bidirectional repeated reciprocating operation of the scanning sampling head, a multipath circulating sampling device needs to be configured, and the leak detection efficiency is still not effectively improved. And the motion actuating mechanism of this kind of scanning sampling head is complicated, and parts such as contact switch often place inside high-efficient filter equipment, are difficult to satisfy the resistant disinfectant corrosion-resistant requirement when high-efficient filter equipment disinfects.
Therefore, how to change the current situation that the air filter leak detection device in the prior art has low working efficiency becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air cleaner scans leak hunting device to solve the problem that above-mentioned prior art exists, improve air cleaner leak hunting device's leak hunting work efficiency.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides an air cleaner scanning leak hunting device, include:
the scanning assembly comprises a scanning probe and a sampling tube, the scanning probe is of a tubular structure, the radial section of the scanning probe comprises a wide-diameter end and a narrow-diameter end, the narrow-diameter end is close to an air filter to be detected, the length of the scanning probe is matched with that of the air filter to be detected, a plurality of scanning holes are formed in the scanning probe and are arranged at the narrow-diameter end, the scanning holes are distributed along the length direction of the scanning probe, the scanning holes are strip-shaped holes and are communicated with the sampling tube, and the sampling tube can be connected with a particle counter or a photometer;
the scanning device comprises a scanning component, a driving component and a driving component, wherein the scanning component is arranged on the bracket in a sliding mode, the driving component is arranged on the bracket, and the output end of the driving component is in transmission connection with the scanning component.
Preferably, the scanning hole is a rectangular hole, and the length direction of the scanning hole is parallel to the length direction of the scanning probe.
Preferably, the radial cross section of the scanning probe is elliptical or drop-shaped.
Preferably, the scanning holes are arranged at equal intervals on the scanning probe.
Preferably, the sampling pipe includes and is responsible for, branch pipe and outlet pipe, be responsible for and be on a parallel with scanning probe sets up, be responsible for the utilization the branch pipe with scanning probe is linked together, the outlet pipe with be responsible for and be linked together, the outlet pipe can link to each other with particle counter or photometer.
Preferably, the number of the branch pipes is multiple, and the multiple branch pipes are arranged in parallel at equal intervals.
Preferably, the driving assembly further comprises a screw rod and a nut, the screw rod is rotatably arranged on the support, the output end of the driver is connected with the screw rod, the screw rod is in threaded connection with the nut, and the scanning probe is connected with the nut.
Preferably, a sliding groove is formed in the support, a protruding block is connected to the nut, and the protruding block is slidably arranged in the sliding groove.
Preferably, the scanning probe is connected with a connecting block, and the connecting block is connected with the screw nut.
Preferably, the driver is connected to the lead screw by a coupling.
Preferably, the air filter to be tested has a limit switch.
The utility model discloses for prior art gain following technological effect:
the utility model discloses an air cleaner scanning leak hunting device, scanning probe's length and the length phase-match that waits to detect air cleaner can once realize the sampling of whole line, have a plurality of scanning holes on the scanning probe, and the scanning hole is linked together with the sampling pipe, and the sampling pipe can link to each other with particle counter or photometer to accomplish the scanning smoothly, confirm the leak source position, the utility model discloses utilize the driver among the drive assembly to drive the motion of scanning subassembly, the scanning subassembly can once accomplish along the support motion and wait to detect air cleaner's scanning leak hunting work, has improved the leak hunting work efficiency of device. It should be further emphasized that the radial section of the scanning probe includes a narrow-diameter end, and the narrow-diameter end is disposed close to the air filter to be detected, so that the wind resistance of the scanning probe is reduced, and the interference of the scanning probe to the air direction of the air filter is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an air filter scanning leak detection device according to the present invention;
fig. 2 is an enlarged schematic view of a part of the structure of the scanning leak detection device for an air filter according to the present invention;
fig. 3 is a schematic structural diagram of the air filter scanning leak detection device according to another angle of the present invention;
fig. 4 is a schematic working diagram of the scanning leak detection device for an air filter according to the present invention.
Wherein, 1 is a scanning probe, 2 is a sampling tube, 3 is a scanning hole, 4 is a driver, 5 is a bracket, 6 is a main tube, 7 is a branch tube, 8 is an outlet tube, 9 is a screw rod, 10 is a nut, 11 is a chute, 12 is a bump, 13 is a connecting block, and 14 is an air filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an air cleaner scanning leak hunting device to solve the problem that above-mentioned prior art exists, improve air cleaner leak hunting device's leak hunting work efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides an air cleaner scanning leak hunting device, including scanning subassembly and drive assembly, wherein, the scanning subassembly includes scanning probe 1 and sampling tube 2, scanning probe 1 is the tubular structure, scanning probe 1's radial cross section includes wide footpath end and narrow footpath end, the narrow footpath end is close to the air cleaner 14 setting of waiting to detect, scanning probe 1's length and the length phase-match of waiting to detect air cleaner 14, scanning probe 1 is last to be provided with a plurality of scanning holes 3, scanning hole 3 sets up in the narrow footpath end, a plurality of scanning holes 3 are arranged along scanning probe 1's length direction, scanning hole 3 is the bar hole, scanning hole 3 is linked together with sampling tube 2, sampling tube 2 can link to each other with particle counter or photometer; the driving assembly comprises a support 5 and a driver 4, the scanning assembly is slidably arranged on the support 5, the driver 4 is arranged on the support 5, and the output end of the driver 4 is in transmission connection with the scanning assembly.
The utility model discloses an air cleaner scanning leak hunting device, scanning probe 1's length and the length phase-match that waits to detect air cleaner 14 can once realize the sampling of whole line, have a plurality of scanning holes 3 on scanning probe 1, and scanning hole 3 is linked together with sampling tube 2, and sampling tube 2 can link to each other with particle counter or photometer to accomplish the scanning smoothly, confirm the leak source position, the utility model discloses utilize 4 drive scanning subassembly movements of driver among the drive assembly, scanning subassembly can once accomplish along 5 movements of support and wait to detect the scanning leak hunting work of air cleaner 14, improved the leak hunting work efficiency of device. It should also be emphasized that the radial cross section of the scanning probe 1 includes a narrow diameter end, and the narrow diameter end is disposed close to the air filter to be detected, so that the wind resistance of the scanning probe 1 is reduced, and the interference of the scanning probe 1 to the air direction of the air filter 14 is reduced. In this embodiment, the driver 4 may select a stepping motor, and calculate the displacement position of the scanning probe 1 by using parameters of the stepping motor, so as to determine the position of the leak point and improve the accuracy of scanning leak detection. It should be explained here that a particle counter or photometer is a conventional means for those skilled in the art and will not be described here.
In this embodiment, scanning hole 3 is the rectangular hole, and the length direction in scanning hole 3 is on a parallel with the length direction setting of scanning probe 1, improves sampling efficiency, is favorable to further improving leak hunting work efficiency the utility model discloses an among other embodiments, scanning hole 3 can also set up to other shapes such as waist type hole, improves the nimble adaptability of device.
In order to improve the sampling uniformity, the scanning holes 3 are arranged on the scanning probe 1 at equal intervals, and the length direction of the scanning probe 1 is parallel to the length direction of folds of the filter element of the air filter 14, so that the scanning probe 1 can complete scanning leak detection of one line of the filter element of the air filter 14 at one time, and the scanning holes 3 are arranged at equal intervals, thereby improving the sampling uniformity and ensuring the reliability of the leak detection work.
It should be noted that the radial cross section of the scanning probe 1 is an ellipse or a drop shape or other shapes including a narrow end and a wide end, and in the present embodiment, the radial cross section of the scanning probe 1 is an ellipse.
Specifically, the sampling tube 2 includes a main tube 6, a branch tube 7, and an outlet tube 8, the main tube 6 is disposed parallel to the scanning probe 1, the main tube 6 is communicated with the scanning probe 1 by the branch tube 7, the outlet tube 8 is communicated with the main tube 6, and the outlet tube 8 can be connected to a particle counter or a photometer. The sampling air enters the scanning probe 1 from the scanning hole 3, the scanning probe 1 is communicated with the branch pipe 7, the branch pipe 7 is communicated with the main pipe 6, meanwhile, the main pipe 6 is communicated with a particle counter or a photometer by an outlet pipe 8, and the particle counter or the photometer can determine the number of particles in the sampling air, so that the position of a leaking point of the air filter 14 is determined. In this embodiment, the sampling tube 2 comprises a main tube 6, a branch tube 7 and an outlet tube 8, which facilitates the connection of the sampling tube 2 with the scanning probe 1 and the particle counter (or photometer).
In this embodiment, the number of the branch pipes 7 is plural, the plural branch pipes 7 are arranged in parallel at equal intervals, and the air entering the inner cavity of the scanning probe 1 from the scanning hole 3 can enter the main pipe 6 from the adjacent branch pipe 7, and then is collected to the particle counter or photometer at the outlet pipe 8. Sampling pipe 2 constitutes frame-type structure, has improved scanning probe's motion stability simultaneously.
More specifically, the driving assembly further comprises a lead screw 9 and a nut 10, the lead screw 9 is rotatably arranged on the support 5, the output end of the driver 4 is connected with the lead screw 9, the lead screw 9 is in threaded connection with the nut 10, the scanning probe 1 is connected with the nut 10, the driver 4 drives the lead screw to rotate, the lead screw 9 is utilized to drive the nut 10 to slide in a reciprocating mode, therefore, the scanning probe 1 can slide to conduct leakage detection work, in practical application, transmission structures such as a gear rack or a chain wheel and a chain can be selected, and the flexibility and the adaptability of the device are improved.
In order to further improve the reciprocating sliding accuracy of the nut 10, the sliding groove 11 is arranged on the bracket 5, the nut 10 is connected with the convex block 12, the convex block 12 is slidably arranged in the sliding groove 11, and the arrangement of the convex block 12 and the sliding groove 11 further improves the motion accuracy of the scanning probe 1.
Wherein, scanning probe 1 is connected with connecting block 13, and connecting block 13 links to each other with screw 10, sets up connecting block 13 and has made things convenient for scanning probe 1 and screw 10 to be connected.
In practical application, the driver 4 is connected with the screw rod 9 through a coupler, smooth transmission of torque is guaranteed, and a bearing can be arranged between the screw rod 9 and the support 5, so that the screw rod 9 can rotate smoothly.
It should also be noted that the air filter 14 to be detected is provided with a limit switch, the limit switch is a non-contact limit switch, the limit movement position of the scanning assembly is conveniently limited, the limit of the scanning probe 1 is realized while the scanning leakage detection working efficiency of the device is improved, and the limit switch is arranged on the air filter 14, so that the structure of the scanning leakage detection device is simplified, the influence of the cleaning and maintenance of the scanning leakage detection device on the limit switch is avoided, and the operation convenience of the device is improved.
The utility model discloses an air cleaner scanning leak hunting device, scanning probe 1's radial cross section includes the narrow diameter end, and the narrow diameter end is close to and waits to detect air cleaner setting, has reduced the windage, and is little to the air current through the filter flow direction interference, and scanning probe's length and air cleaner 14's length phase-match, and driver 4 drives the scanning subassembly and slides to the scanning leak hunting that the other end can accomplish air cleaner 14 by air cleaner 14's one end, improves leak hunting work efficiency. Meanwhile, the displacement position of the scanning probe 1 is calculated by utilizing parameters of the stepping motor, and the position of a leak point can be determined by combining detection data of a particle counter or a photometer, so that the scanning leak detection accuracy is improved
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. An air filter scanning leak detection apparatus, comprising:
the scanning assembly comprises a scanning probe and a sampling tube, the scanning probe is of a tubular structure, the radial section of the scanning probe comprises a wide-diameter end and a narrow-diameter end, the narrow-diameter end is close to an air filter to be detected, the length of the scanning probe is matched with that of the air filter to be detected, a plurality of scanning holes are formed in the scanning probe and are arranged at the narrow-diameter end, the scanning holes are distributed along the length direction of the scanning probe, the scanning holes are strip-shaped holes and are communicated with the sampling tube, and the sampling tube can be connected with a particle counter or a photometer;
the scanning device comprises a scanning component, a driving component and a driving component, wherein the scanning component is arranged on the bracket in a sliding mode, the driving component is arranged on the bracket, and the output end of the driving component is in transmission connection with the scanning component.
2. An air filter scanning leak detection apparatus according to claim 1, wherein: the scanning hole is a rectangular hole, and the length direction of the scanning hole is parallel to the length direction of the scanning probe;
the scanning holes are arranged on the scanning probe at equal intervals.
3. An air filter scanning leak detection apparatus according to claim 1, wherein: the radial section of the scanning probe is in an oval shape or a drop shape.
4. An air filter scanning leak detection apparatus according to claim 1, wherein: the sampling pipe is including being responsible for, branch pipe and outlet pipe, be responsible for and be on a parallel with scanning probe sets up, be responsible for the utilization the branch pipe with scanning probe is linked together, the outlet pipe with be responsible for and be linked together, the outlet pipe can link to each other with particle counter or photometer.
5. An air filter scanning leak detection apparatus according to claim 4, wherein: the number of the branch pipes is multiple, and the branch pipes are arranged in parallel at equal intervals.
6. An air filter scanning leak detection apparatus according to claim 1, wherein: the drive assembly further comprises a screw rod and a nut, the screw rod is rotatably arranged on the support, the output end of the driver is connected with the screw rod, the screw rod is in threaded connection with the nut, and the scanning probe is connected with the nut.
7. An air filter scanning leak detection apparatus according to claim 6, wherein: the support is provided with a sliding groove, the nut is connected with a convex block, and the convex block is arranged in the sliding groove in a sliding mode.
8. An air filter scanning leak detection apparatus according to claim 6, wherein: the scanning probe is connected with a connecting block, and the connecting block is connected with the screw nut.
9. An air filter scanning leak detection apparatus according to claim 6, wherein: the driver is connected with the screw rod through a coupler.
10. An air filter scanning leak detection apparatus according to claim 1, wherein: the air filter to be detected is provided with a limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558170.0U CN218865393U (en) | 2022-12-30 | 2022-12-30 | Air cleaner scanning leak hunting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558170.0U CN218865393U (en) | 2022-12-30 | 2022-12-30 | Air cleaner scanning leak hunting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218865393U true CN218865393U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223558170.0U Active CN218865393U (en) | 2022-12-30 | 2022-12-30 | Air cleaner scanning leak hunting device |
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| Country | Link |
|---|---|
| CN (1) | CN218865393U (en) |
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2022
- 2022-12-30 CN CN202223558170.0U patent/CN218865393U/en active Active
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