Automatic detection device for air filter element

Abstract

The utility model belongs to the field of filter element detection, and particularly discloses an air filter element automatic detection device which comprises a detection unit, the detection unit comprises a table top, supporting legs, a smoke box, a shell and a camera, a vent hole is formed in the center of the table top, the periphery of the table top is supported by the supporting legs, and a to-be-detected filter element is placed above the vent hole; the lower part of the vent hole is connected with the smoke box; the shell covers the table top to form a darkroom, and the camera is fixed in the shell and used for shooting the filter element to be detected so as to detect the structural integrity of the filter element to be detected. According to the air filter element automatic detection device provided by the invention, the camera is arranged in the shell, so that the to-be-detected filter element into which smoke is introduced can be quickly photographed and recorded, and automatic and accurate identification of a leakage point is realized through a picture, so that high-efficiency unmanned detection operation is realized, the detection efficiency and accuracy are greatly improved, and the labor investment is reduced.

Description

Technical Field

[0001] This application belongs to the field of filter element detection, and more specifically, relates to an automatic air filter element detection device. Background Art

[0002] Detection is an essential link in the manufacturing process of air filter elements, and its external dimensions and structural integrity are basic detection contents. At present, the structural integrity of air filter elements is mainly tested by the smoke plume method, and manual observation is used to determine whether there is smoke leakage from the filter element and make judgment records. The external dimensions are also mainly judged whether they meet the requirements through manual measurement.

[0003] The existing manual detection and labeling methods are inefficient and seriously affected by humans. The detection personnel are prone to fatigue after long-term work, resulting in large deviations in the detection results and affecting the product delivery quality. Utility Model Content

[0004] In view of the defects of the prior art, this application provides an automatic air filter element detection device, aiming to solve the problems of low efficiency and large deviation of the existing manual detection methods.

[0005] This application provides an automatic air filter element detection device, which specifically includes a detection unit. The detection unit includes a tabletop, legs, a smoke box, a housing, and a camera. A ventilation hole is opened in the center of the tabletop and supported by legs around. The upper part of the ventilation hole is used to place the filter element to be tested, and the lower part of the ventilation hole is connected to the smoke box; the housing covers the upper part of the tabletop to form a darkroom, and the camera is fixed inside the housing for taking pictures of the filter element to be tested to detect the structural integrity of the filter element to be tested.

[0006] Through the above technical solutions conceived by this application, compared with the prior art, since this application uses a camera to take pictures of the filter element to be tested and calculates the leakage degree of the filter element to be tested through the area of the white area in the photo, it has higher accuracy and efficiency compared with the naked-eye observation of the prior art.

[0007] As a further preference, the automatic air filter element detection device further includes a conveying unit. The conveying unit includes two conveyor belts. At the same time, movable doors are opened on both sides of the housing, and the two conveyor belts are respectively arranged outside the two movable doors for conveying the filter element to be tested.

[0008] As a further preference, the detection unit further includes a laser marking head, and the laser marking head is arranged inside the housing for marking the filter element to be tested.

[0009] As a further preference, a smoke generator and a fan are arranged inside the smoke box.

[0010] As a further preference, the number of the cameras is three, which are respectively arranged on the left and right sides and the top of the filter element to be tested.

[0011] As a further preference, a glass observation window is formed on the housing, and a light-shielding curtain is arranged on the glass observation window.

[0012] As a further preference, the detection unit further includes a clamp, which is arranged on the table top and used for pressing the filter element to be tested.

[0013] As a further preference, the material of the supporting legs is aluminum profile or steel.

[0014] As a further preference, the automatic air filter element detection device further includes a control unit, and the control unit is respectively connected with the detection unit and the conveying unit.

[0015] Generally speaking, compared with the prior art by the above technical solutions conceived by the present application, the following technical advantages are mainly possessed:

[0016] 1. The automatic air filter element detection device provided by the present application can quickly take pictures and record the filter element to be tested through which the flue gas passes by arranging cameras inside the housing, and can automatically and accurately identify the leakage points through the photos, so as to realize high-efficiency unmanned detection operation, greatly improve the detection efficiency and accuracy, and reduce the labor input;

[0017] 2. At the same time, by arranging the conveying unit, the present application can realize the automatic sample introduction and sample output of the filter element to be tested to realize the docking of the upstream and downstream production lines, thereby further improving the automation degree of the automatic air filter element detection device;

[0018] 3. In addition, by arranging a laser marking head inside the detection unit, the present application can automatically mark the result on the outer shell of the filter element to be tested, thereby further improving the work efficiency and reducing the labor input. Description of the Drawings

[0019] Figure 1 is a three-dimensional view of the automatic air filter element detection device provided by the embodiment of the present application;

[0020] Figure 2 is a sectional view of the automatic air filter element detection device provided by the embodiment of the present application.

[0021] In all the drawings, the same reference numerals are used to represent the same elements or structures, wherein: 1 - detection unit, 11 - smoke box, 12 - supporting legs, 13 - table top, 14 - filter element to be tested, 15 - laser marking head, 16 - camera, 17 - movable door, 18 - housing, 2 - conveying unit, 21 - conveyor belt. Detailed Embodiments

[0022] In order to make the objectives, technical solutions and advantages of the present application more clear and understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0023] As Figure 1 , 2 shown, the present application provides an automatic air filter detection device, which specifically includes a detection unit 1. The detection unit 1 includes a tabletop 13, legs 12, a smoke box 11, a housing 18 and a camera 16. An air vent is opened in the center of the tabletop 13 and is supported by the legs 12 around. The legs 12 are made of aluminum profiles or steel. Above the air vent is used to place the filter element 14 to be tested. Below the air vent is connected to the smoke box 11. Inside the smoke box 11, there are a smoke generator and a blower, which can produce constant fine smoke droplets and emit them upward through the central hole into the filter element 14 to be tested for filtration. If there is a leak in the filter element 14 to be tested, the flue gas will leak through the leak point; the housing 18 covers above the tabletop 13 to form a closed dark room. The leaked flue gas will form a white area in the dark room. The camera 16 is arranged inside the housing 18 and is used to take pictures of the filter element 14 to be tested, and calculate the leakage degree through the area of the white area in the photo, so as to detect the structural integrity of the filter element 14 to be tested. During operation, the camera 16 can be used to take the first group of pictures of the filter element 14 to be tested, and then the smoke box 11 starts to emit smoke. After a fixed time, the camera 16 takes the second group of pictures again. Through automatic measurement, identification and analysis of the pictures, the detection result of the structural integrity of the filter element 14 to be tested is output.

[0024] The present application uses electrophotographic technology to quickly record the physical object of the filter element 14 to be tested, and through precise identification and detection of the photos, calculate the area of the white area in the photos to obtain the leakage degree of the filter element to be tested, which can realize high-efficiency unmanned detection operations, greatly improve production efficiency and accuracy, and reduce manual input.

[0025] Furthermore, the automatic air filter detection device further includes a conveying unit 2. The conveying unit 2 includes two conveyor belts 21 to realize the docking of the upstream and downstream production lines. At the same time, movable doors 17 are opened on both sides of the housing 18. One movable door 17 is an inlet door and one movable door 17 is an outlet door; the two conveyor belts 21 are respectively arranged outside the two movable doors 17 and are used to convey the filter element 14 to be tested. When a sample needs to be changed, the two movable doors 17 are automatically opened, and the filter element 14 to be tested is conveyed through the conveyor belts 21 to realize sample change. After the sample change is completed, the two movable doors 17 will automatically close for the next detection.

[0026] Further, the detection unit 1 further includes a laser marking head 15, which is arranged inside the housing 18 and is used to mark the filter element 14 to be tested, so that the result can be automatically marked on the outer shell of the filter element to be tested, thereby further improving work efficiency and reducing manual input.

[0027] Further, the number of cameras 16 is three, which are respectively arranged on the left and right sides and the top of the filter element 14 to be tested. When detecting, the three cameras 16 are used to simultaneously photograph the filter element 14 to be tested, and the left camera 16 or the right camera 16 is located directly above the laser marking head 15.

[0028] Further, a glass observation window is opened on the housing 18, which is convenient for observing the detection process in real time. At the same time, a light-shielding curtain is arranged on the glass observation window to block external light and prevent interference with internal photography.

[0029] Further, the detection unit 1 further includes a fixture, which is arranged on the table 13 and is used to automatically clamp and fix the filter element 14 to be tested, thereby preventing flue gas from leaking from the gap between the filter element 14 to be tested and the table 13 and affecting the accuracy of the detection result.

[0030] Further, the automatic air filter element detection device further includes a control unit, which is respectively connected to the detection unit 1 and the conveying unit. The control unit is used to control the operation of the detection unit 1 and the conveying unit, and is installed with analysis software, which has functions such as storage, control, monitoring, output, and printing. It can automatically measure and compare and analyze the photographed photos, give results, store and output the results in the form of a document report, or engrave them on the outer shell of the filter element 14 to be tested by laser engraving.

[0031] It should be understood that expressions such as "including" and "may include" used in this application indicate the existence of the disclosed functions, operations, or constituent elements, and do not limit the existence of one or more additional functions, operations, and constituent elements. In this application, terms such as "including" and / or "having" can be interpreted as indicating a specific characteristic, number, operation, constituent element, component, or a combination thereof, but cannot be interpreted as excluding the existence or possibility of addition of one or more other characteristics, numbers, operations, constituent elements, components, or a combination thereof.

[0032] It should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0033] In the present application, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0034] It is easy for those skilled in the art to understand that the above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application should all be included within the protection scope of the present application.

Claims

1. An automatic air filter detection device, characterized in that: The automatic air filter element detection device comprises a detection unit (1), the detection unit comprising a table (13), legs (12), a smoke box (11), a shell (18) and a camera (16); a ventilation hole is opened at the center of the table (13) and is supported by the legs (12) on all sides; the filter element (14) to be tested is placed above the ventilation hole, and the bottom of the ventilation hole is connected to the smoke box (11); the shell (18) covers the top of the table (13) to form a dark room, and the camera (16) is fixed inside the shell (18) and is used to photograph the filter element (14) to be tested.

2. The automatic air filter element detection device according to claim 1, characterized in that: The automatic air filter element detection device also includes a conveying unit (2), the conveying unit (2) includes two conveying belts (21), and movable doors (17) are opened on both sides of the shell (18). The two conveying belts (21) are respectively arranged on the outside of the two movable doors (17) for conveying the filter element (14) to be tested.

3. The automatic air filter element detection device according to claim 1, characterized in that: The detection unit (1) further comprises a laser marking head (15), wherein the laser marking head (15) is arranged on the inner side of the housing (18) and is used for marking the filter element (14) to be tested.

4. The automatic air filter element detection device according to claim 1, characterized in that: A smoke generator and a fan are arranged inside the smoke box (11).

5. The automatic air filter element detection device according to claim 1, characterized in that: The number of the cameras (16) is three, which are respectively arranged on the left and right sides and the top of the filter element (14) to be tested.

6. The automatic air filter element detection device according to claim 1, characterized in that: The shell (18) is provided with a glass observation window, and a light-shielding curtain is arranged on the glass observation window.

7. The automatic air filter element detection device according to claim 1, characterized in that: The detection unit (1) also includes a clamp, which is arranged on the table (13) and is used to press the filter element (14) to be tested.

8. The automatic air filter element detection device according to claim 1, characterized in that: The material of the supporting legs (12) is aluminum profile or steel.

9. The automatic air filter element detection device according to claim 2, characterized in that: The air filter element automatic detection device also includes a control unit, which is connected to the detection unit (1) and the transmission unit respectively.

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