CN218470478U

CN218470478U - Filter detection device

Info

Publication number: CN218470478U
Application number: CN202221574218.4U
Authority: CN
Inventors: 刘强
Original assignee: Shanghai Zhongxin Wafer Semiconductor Technology Co ltd
Current assignee: Shanghai Zhongxin Wafer Semiconductor Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-02-10
Anticipated expiration: 2032-06-22

Abstract

The utility model provides a filter detection device, including the tester case, the tester case is top surface open-ended box, is provided with the apron on the open-top of tester case, and the apron top is provided with the fan, and the air outlet of fan is provided with filter installation position towards the tester incasement, and the below of apron is provided with filter installation position, is provided with the filter that awaits measuring on the filter installation position, and the below of the filter that awaits measuring is provided with laser dust particle counter. The utility model discloses a test machine case simulation service environment, fan blow in the air to test machine case, and the air blows through from the filter that awaits measuring, detects the performance of awaiting measuring the filter through laser dust particle counter, can not only check out test set's average efficiency, can also compare the partial efficiency of each point.

Description

Filter detection device

Technical Field

The utility model relates to an air filter technical field, concretely relates to filter detection device.

Background

The air filter used in the current workshop and equipment has the following technical defects: 1) The device without detection performance can only judge whether the product meets the requirements according to delivery reports provided by suppliers; 2) Problems occur after the individual filter is used, and no equipment can find the problem point, so that the problems cannot be thoroughly solved.

How to design a filter detection device and how to test whether the performance of the filter meets the requirements becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a filter detection device to solve above-mentioned at least one kind of technical problem.

The technical scheme of the utility model is that: the utility model provides a filter detection device, includes the test machine case, the test machine case is top surface open-ended box, is provided with the apron on the open-top of test machine case, and the apron top is provided with the fan, and the air outlet of fan is provided with filter installation position towards the test machine incasement, and the below of apron is provided with the filter that awaits measuring on the filter installation position, and the below of the filter that awaits measuring is provided with laser dust particle counter.

The utility model discloses a test machine case simulation service environment, fan blow in the air to test machine case, and the air blows through from the filter that awaits measuring, detects the performance of awaiting measuring the filter through laser dust particle counter, can not only check out test set's average efficiency, can also compare the partial efficiency of each point.

Preferably, the testing cabinet is a vertically arranged rectangular frame, a bottom plate is arranged on the bottom surface of the rectangular frame, a partition plate is arranged above the bottom plate and is a testing point position, and the laser dust particle counter is arranged on the top surface of the partition plate.

The utility model discloses a laser dust particle counter is installed on the baffle, measures dirt particle number and particle size distribution in the unit volume of test point position, can find the problem point of filter, thoroughly solves the problem of filter.

Drawings

Fig. 1 is the mounting structure schematic diagram of the test case and the fan of the utility model.

Fig. 2 is a right side view of the installation structure of the partition board and the L-shaped elbow of the present invention.

Fig. 3 is a front view of the mounting structure of the screw rod and the hoop of the present invention.

Fig. 4 is a top view of fig. 3.

In the figure: 1. a test chassis; 2. a cover plate; 3. a fan; 4. a partition plate; 5.L type elbow; 6. a screw; 7. and (7) hooping.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-4, the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.

The first embodiment of the filter detection device, referring to fig. 1, includes a testing machine case 1, the testing machine case 1 is a box body with an open top surface, a cover plate 2 is arranged on the open top of the testing machine case 1, a fan 3 is arranged on the top of the cover plate 2, an air outlet of the fan 3 faces the inside of the testing machine case 1, a filter mounting position is arranged below the cover plate 2, a filter to be tested is arranged on the filter mounting position, and a laser dust particle counter is arranged below the filter to be tested. The utility model discloses a service environment after the installation of test machine case simulation filter, the fan blows in the air to test machine case, and the air blows over from the filter that awaits measuring, detects the performance of awaiting measuring the filter through laser dust particle counter, combines current detection and analysis mode, can test each item performance parameter of filter, can not only check out test set's average efficiency, can also compare the partial efficiency of each point.

In the second embodiment, on the basis of the first embodiment, the testing machine case 1 is a vertically arranged rectangular frame, a bottom plate is arranged on the bottom surface of the rectangular frame, a partition plate 4 is arranged above the bottom plate, the partition plate 4 is a testing point position, and the laser dust particle counter is arranged on the top surface of the partition plate 4. The utility model discloses a laser dust particle counter is installed on the baffle, measures dirt particle number and particle size distribution in the unit volume of test point position, can find the problem point of filter, thoroughly solves the problem of filter.

In the third embodiment, on the basis of the second embodiment, referring to fig. 2, a through hole is formed in the middle of the partition plate 4, one end of the L-shaped elbow 5,L-shaped elbow 5, which is arranged on the bottom surface of the partition plate 4, is located on the outer ring of the through hole, and a valve is arranged at one end of the L-shaped elbow 5, which extends out of the test case 1,L-shaped elbow 5 and extends out of the test case 1. The utility model discloses a L type elbow is derived the gas in baffle upper portion space.

On the basis of the third embodiment, a first PVC plate is arranged around the rectangular frame between the cover plate 2 and the partition plate 4, the first PVC plate is made of a transparent material, and the cover plate 2, the partition plate 4 and the four first PVC plates form a first space. The utility model discloses a transparent material's a PVC board can observe the condition in the first space, reads the numerical value of laser dust particle counter.

In the fifth embodiment, on the basis of the fourth embodiment, the fourth PVC plate is fixed to the vertical frame of the test chassis 1 through the first sealing strip, respectively. The cover plate 2 is fixed on the top surface of the rectangular frame through a second sealing strip on the bottom surface. The utility model discloses a first sealing strip, second sealing strip are sealed the top surface of test machine case and all around.

Sixth, on the basis of the fourth embodiment, a second PVC plate is arranged around the rectangular frame between the bottom plate and the partition plate 4, the bottom plate, the partition plate 4 and the four second PVC plates form a second space, and the other end of the L-shaped elbow 5 extends out of the second PVC plate; a rubber ring for sealing the pipeline is arranged between the part of the other end of the L-shaped elbow 5, which penetrates out of the second PVC plate, and the second PVC plate, the four second PVC plates are fixed on the vertical frame of the testing case 1 through third sealing strips respectively, and the second PVC plate is made of transparent materials. The utility model discloses a third sealing strip, rubber circle seal up the second space.

In a seventh embodiment, on the basis of the first embodiment, referring to fig. 4, the filter mounting position includes a closed hoop 7, two full-thread screws 6 are arranged on an outer ring of any one hoop 7, and one ends of the four screws 6 are sequentially mounted on the cover plate 2 through a sealing ring, a first gasket and a first nut. The utility model discloses a method of screw rod hoist and mount will await measuring the filter installation position hoist and mount in the apron below.

In an eighth embodiment, on the basis of the seventh embodiment, referring to fig. 3, a connecting plate arranged along the horizontal direction is arranged on an outer ring of any one of the hoops 7, kidney-shaped holes are formed in positions, corresponding to the screws 6, of the connecting plate, second gaskets and second nuts are sequentially arranged on the top surface and the bottom surface of the connecting plate towards one side far away from the connecting plate, the screws 6 are locked with the connecting plate through the two second nuts, and the filter to be tested is installed between the hoops 7. The utility model discloses a screw rod is installed in waist type hole, can adjust the position when the filter of the examination of installation examination awaiting measuring.

Ninth embodiment, on the basis of the seventh embodiment, any one of the hoops 7 comprises a U-shaped structure, and two openings of the U-shaped structure are provided with turning plates; the turning plates corresponding to the two anchor ears 7 are locked by the hexagon bolts and the third nuts after being closed, the bottom surface of any one anchor ear 7 is provided with a supporting plate, and the supporting plate is arranged along the inner ring of the U-shaped structure. The utility model discloses the layer board carries out bearing and spacing to the filter that awaits measuring, has further guaranteed the safety of test.

In specific implementation, the rectangular frame, the cover plate 2, the partition plate 4, the L-shaped elbow 5, the screw 6 and the hoop 7 of the test case 1 are all made of stainless steel; performance parameters of the fan 3: wind speed: 0.2-0.45 m/s, power supply: AC220V 50Hz, power: 400W; the inlet of the fan is connected with a dust source, and the dust source adopts multi-melt dispersed phase artificial dust.

The utility model is based on the MPPS method, the utility model simulates the structure of the conventional FFU, and can be freely adjusted according to filters with different sizes, and the specification range of the testable filter is from 300 multiplied by 30mm to 1000 multiplied by 800 multiplied by 80mm; the test method of use is as follows:

1. installing a filter to be tested at a filter installation position below the fan, and switching on a power supply of the device after clamping the cover plate 2;

2. adjusting the fan 3 according to the designed air speed of the filter, and continuously operating for 2-3 hours after the fan 3 is started to meet the test requirement;

3. placing a testing instrument (a laser dust particle counter) at a testing point, and collecting testing data;

4. and judging whether the performance of the filter meets the requirement or not according to the test result.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A filter detection device comprises a test case (1), and is characterized in that: the testing machine case (1) is a box body with an opening on the top surface, a cover plate (2) is arranged on the opening on the top of the testing machine case (1), a fan (3) is arranged on the top of the cover plate (2), an air outlet of the fan (3) faces the interior of the testing machine case (1), a filter mounting position is arranged below the cover plate (2), a filter to be tested is arranged on the filter mounting position, and a laser dust particle counter is arranged below the filter to be tested.

2. A filter testing apparatus according to claim 1, wherein: the testing machine box (1) is a vertically arranged rectangular frame, a bottom plate is arranged on the bottom surface of the rectangular frame, a partition plate (4) is arranged above the bottom plate, the partition plate (4) is a testing point position, and the laser dust particle counter is arranged on the top surface of the partition plate (4).

3. A filter testing apparatus according to claim 2, wherein: the middle part of baffle (4) is provided with the through-hole, and the bottom surface of baffle (4) is provided with L type elbow (5), and the one end of L type elbow (5) is located the outer lane of through-hole, and the other end of L type elbow (5) stretches out test machine case (1).

4. A filter testing apparatus according to claim 3, wherein: a first PVC plate is arranged on the periphery of the rectangular frame between the cover plate (2) and the partition plate (4), and the cover plate (2), the partition plate (4) and the four first PVC plates form a first space.

5. A filter testing apparatus according to claim 4, wherein: and the four first PVC plates are respectively fixed on the vertical frame of the test case (1) through first sealing strips.

6. A filter testing apparatus according to claim 4, wherein: the cover plate (2) is fixed on the top surface of the rectangular frame through a second sealing strip on the bottom surface.

7. A filter testing apparatus according to claim 4, wherein: a second PVC plate is arranged on the periphery of the rectangular frame between the bottom plate and the partition plate (4), the bottom plate, the partition plate (4) and the four second PVC plates form a second space, and the other end of the L-shaped elbow (5) extends out of the second PVC plate; and the four second PVC plates are respectively fixed on the vertical frame of the test case (1) through third sealing strips.

8. A filter testing apparatus according to claim 1, wherein: the filter installation position comprises closed hoops (7), two full-thread screws (6) are arranged on the outer ring of any one hoop (7), and one ends of the four screws (6) are sequentially arranged on the cover plate (2) through sealing rings, first gaskets and first nuts.

9. A filter testing apparatus according to claim 8, wherein: any one staple bolt (7) outer lane is provided with the connecting plate of arranging along the horizontal direction, all is provided with waist type hole with the position that corresponds of screw rod (6) on the connecting plate, and the top surface and the bottom surface of connecting plate all have set gradually second gasket, second nut towards the one side of keeping away from the connecting plate, and screw rod (6) are locked with the connecting plate through two second nuts, and the filter that awaits measuring is installed between staple bolt (7).

10. A filter testing apparatus according to claim 8, wherein: any one hoop (7) comprises a U-shaped structure, and two openings of the U-shaped structure are provided with turning plates; the turning plates corresponding to the two anchor ears (7) are locked by the hexagon bolts and the third nuts after being closed, the bottom surface of any one anchor ear (7) is provided with a supporting plate, and the supporting plate is arranged along the inner ring of the U-shaped structure.