A surface dust particle analyzer

Abstract

The present invention relates to the technical field of dust detection equipment, and in particular to a surface dust particle analyzer. Technical problem: The surface dust test method has a long test cycle and high labor cost. It is impossible to obtain test results in real time and determine the status in time, which is not conducive to immediately improving the cleanliness of the site. The technical solution of the present invention is: a surface dust particle analyzer, including an analyzer, a feed pipe and a connecting block; the left part of the analyzer is connected to the feed pipe; the feed pipe is fixedly connected to the connecting block. The ejected gas will blow up the dust in the cover, so that the dust is blown into the feed pipe, and then enters the analyzer through the feed pipe. At this time, the analyzer will detect the dust, so as to obtain the dust coverage on the surface of the object, thereby avoiding the need for cumbersome detection process for detection, which leads to cumbersome cleaning problems.

Description

Technical Field

[0001] The invention relates to the technical field of dust detection equipment, and in particular to a surface dust particle analyzer. Background Art

[0002] In industries with extremely high cleanliness requirements such as semiconductor manufacturing, biopharmaceuticals, precision optics, and aerospace, it is necessary to regularly analyze dust particles on the work surfaces, production equipment surfaces, and even the surfaces of clean clothes worn by workers in the clean room to ensure that the environment reaches the predetermined cleanliness level;

[0003] In the prior art, when testing the cleanliness of a product or equipment, a vacuum cleaner is usually used to extract the dust on the surface and then collect it on dust test paper. The dust test paper is then tested in a dust testing laboratory to determine the cleanliness of the equipment. This surface dust testing method has a long testing cycle and high labor costs. It is impossible to obtain test results in real time and determine the status in a timely manner, which is not conducive to immediately improving the cleanliness of the site. Summary of the invention

[0004] In order to overcome the shortcomings of the surface dust testing method, such as long testing cycle, high labor cost, inability to obtain test results in real time and timely determine the status, and being unfavorable for immediately improving the cleanliness on site, the present invention provides a surface dust particle analyzer.

[0005] The technical solution of the present invention is: a surface dust particle analyzer, comprising an analyzer, a feed pipe, a connecting block, a spring and a cover; the left part of the analyzer is connected with a feed pipe; the feed pipe is fixedly connected with a connecting block; a plurality of springs are fixedly connected with the upper part of the connecting block; all the springs are fixedly connected with a cover together; an air inlet groove is provided at the lower part of the cover, and at least eight jet grooves are provided at the lower part of the cover, and the jet grooves are connected with the air inlet groove; it also includes a partition plate, a circular frame, a filter, a driving assembly and a separation assembly; the cover is connected with a driving assembly for driving; the driving assembly is connected with a partition plate, and a circular frame is connected with the left part of the partition plate, and the circular frame is fixed with a filter; the partition plate and the cover together form a flow cavity; an air inlet is provided in the middle part of the partition plate, the lower part of the connecting block is located in the air inlet, and the cover is connected with a separation assembly for cleaning the filter.

[0006] More preferably, the lower portion of the connecting block is tapered.

[0007] More preferably, the air-jet slot is inclined downward.

[0008] More preferably, the air jet slot is trumpet-shaped.

[0009] More preferably, the lower part of the cover is made of rubber.

[0010] More preferably, it also includes a vibration assembly; the cover is connected to a vibration assembly for making the feed pipe, the connecting block and the cover vibrate; the vibration assembly includes a rotating ring, a wedge block 1 and a wedge block 2; the cover is rotatably connected to the rotating ring, the rotating ring is provided with a plurality of pushing parts, an annular channel is formed between the cover and the rotating ring, the pushing parts are located in the annular channel, the cover is provided with an air inlet hole, the air inlet hole is inclined, the air inlet hole is connected to the annular channel, the connecting block is fixedly connected to at least eight wedge blocks 1, the upper part of the rotating ring is fixedly connected to at least eight wedge blocks 2, and the annular channel is connected to the separation assembly.

[0011] More preferably, the separation assembly includes a rotating circular plate, gear one and gear two; the left part of the cover is rotatably connected to the rotating circular plate, the rotating circular plate is provided with a plurality of jet holes, the cover is provided with an air collecting cavity, the air collecting cavity is connected with the flow cavity, the lower part of the rotating circular plate is fixedly connected to gear one, the lower part of the rotating ring is fixedly connected to gear two, and gear one and gear two are meshed with each other.

[0012] More preferably, the air jet holes are distributed in a staggered manner.

[0013] More preferably, it also includes spring 2, wedge block 3 and wedge block 4; a plurality of springs 2 are fixedly connected to the left part of the partition plate; all springs 2 are fixedly connected to the circular frame; a plurality of wedge blocks 3 are fixedly connected to the lower part of the rotating circular plate; and a plurality of wedge blocks 4 are fixedly connected to the upper part of the circular frame.

[0014] More preferably, it further comprises convex thorns; a plurality of convex thorns are fixedly connected to the lower part of the rotating circular plate.

[0015] Beneficial effects:

[0016] The ejected gas will blow up the dust in the hood, causing the dust to enter the feed pipe and then enter the analyzer through the feed pipe. At this time, the analyzer will detect the dust to obtain the amount of dust coverage on the surface of the object, thereby avoiding the need for cumbersome detection process and causing cumbersome cleaning problems.

[0017] Through the partition plate, the dust on the surface of the object can be completely blown away before being tested together, thereby preventing some dust from remaining on the surface of the object and causing inaccurate detection. The gas can be discharged first through the round frame and the filter to prevent the air pressure in the cover from being too high, which requires the operator to apply a strong downward pressure on the cover to ensure that the high air pressure does not lift the cover, causing a gap between the cover and the surface of the equipment, thereby preventing the gas from not flowing away from the gap. By changing the gas outflow position, the gas does not maintain the same flow state, and the gas is in a vortex state. The gas in the vortex state forms a rolling effect on the dust on the surface of the object to be tested, thereby accelerating the dust blowing speed.

[0018] Through the mutual squeezing of wedge block one and wedge block two, the feed pipe, connecting block and cover will be in a shaking state. As the gas flows, the dust attached to the feed pipe, connecting block and cover will be directly shaken off, thereby avoiding the occurrence of inaccurate detection results due to some dust residue.

[0019] The gear drives the rotating circular plate to rotate, causing the jet holes on the rotating circular plate to rotate, so that the ejected gas cleans different areas of the filter. Since the jet holes are staggered, it is guaranteed that all areas of the filter are cleaned. The cleaned dust follows the air flow from the inside of the cover to the feed pipe, and then flows into the analyzer, thereby ensuring the accuracy of the test results.

[0020] By rotating the circular plate, gear one and gear two, the rotating circular plate is driven to rotate, so that the gas can clean the filter more comprehensively while being ejected, and the filter can be put into a shaking state, thereby making it easier for the gas to blow away the dust on the filter, and the thorns can brush off the dust on the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure disclosed by the surface dust particle analyzer of the present invention;

[0022] Figure 2 A cross-sectional view of a cover disclosed by the surface dust particle analyzer of the present invention;

[0023] Figure 3 A cross-sectional view of a portion of the structure of a driving assembly disclosed by the surface dust particle analyzer of the present invention;

[0024] Figure 4 A partial structural cross-sectional view of a vibration assembly disclosed by the surface dust particle analyzer of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the separation component part disclosed by the surface dust particle analyzer of the present invention;

[0026] Figure 6 A partial structural cross-sectional view of the separation component disclosed in the surface dust particle analyzer of the present invention.

[0027] Markings in the figure are: 1-analyzer, 2-feed pipe, 3-connecting block, 4-spring one, 5-cover, 6-partition plate, 7-spring two, 8-circular frame, 9-filter, 101-electric push rod, 102-annular plate, 103-DD motor, 111-rotating ring, 112-wedge block one, 113-wedge block two, 201-rotating circular plate, 211-gear one, 212-gear two, 301-wedge block three, 302-wedge block four, 303-protrusion, 5a-air inlet groove, 5b-injection groove, 5c-inlet hole, 5d-gas collecting cavity, 6a-circulation cavity, 6b-inlet port, 111a-pushing part, 111b-annular channel, 201a-injection hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0029] Example 1

[0030] A surface dust particle analyzer, such as Figure 1-6 As shown, it includes an analyzer 1, a feed pipe 2, a connecting block 3, a spring 4 and a cover 5; the left part of the analyzer 1 is connected with the feed pipe 2; the feed pipe 2 is fixedly connected with the connecting block 3; six springs 4 are fixedly connected with the upper part of the connecting block 3; all the springs 4 are fixedly connected with the cover 5 together; an air inlet groove 5a is provided at the lower part of the cover 5, and eight air jet grooves 5b are provided at the lower part of the cover 5, and the air jet grooves 5b are connected with the air inlet groove 5a;

[0031] It also includes a partition plate 6, a round frame 8, a filter screen 9, a drive assembly and a separation assembly; the cover 5 is connected to the drive assembly; the drive assembly is connected to the partition plate 6, the left part of the partition plate 6 is connected to the round frame 8, and the round frame 8 is fixedly connected to the filter screen 9; the partition plate 6 and the cover 5 together form a flow cavity 6a; an air inlet 6b is provided in the middle of the partition plate 6, the lower part of the connecting block 3 is located in the air inlet 6b, and the cover 5 is connected to the separation assembly.

[0032] The lower part of the connecting block 3 is conical, which is convenient for gas and dust to flow away.

[0033] The air-jet slot 5b is tilted downward, so as to better blow up the dust and prevent the dust near the contact area between the cover 5 and the object from being blown away by the gas.

[0034] The gas injection slot 5b is in a trumpet shape, so that the gas injected is diffused, so that the gas blowing range is wider, thereby blowing the dust faster.

[0035] The lower part of the cover 5 is made of rubber material, so that the cover 5 can adapt to different shapes of the surface of the object, thereby enhancing the airtightness.

[0036] The driving assembly includes an electric push rod 101, an annular plate 102 and a DD motor 103; an electric push rod 101 is fixedly connected to each side of the cover 5; all the electric push rods 101 are fixedly connected to an annular plate 102; a DD motor 103 is fixedly connected to the lower part of the annular plate 102; the rotating part of the DD motor 103 is fixedly connected to the partition plate 6; the electric push rod 101 and the DD motor 103 are respectively connected to an external power supply.

[0037] It also includes a vibration component; the cover 5 is connected to the vibration component; the vibration component includes a rotating ring 111, a wedge block 112 and a wedge block 2 113; the cover 5 is rotatably connected to the rotating ring 111, the rotating ring 111 is provided with eight pushing parts 111a, an annular channel 111b is formed between the cover 5 and the rotating ring 111, the pushing part 111a is located in the annular channel 111b, the cover 5 is provided with an air inlet 5c, the air inlet 5c is inclined, the air inlet 5c is connected to the annular channel 111b, the connecting block 3 is fixedly connected to eight wedge blocks 112, eight wedge blocks 2 113 are fixedly connected to the upper part of the rotating ring 111, and the annular channel 111b is connected to the separation component.

[0038] The specific working steps are:

[0039] The external air supply equipment is connected to the air inlet groove 5a and the air inlet hole 5c respectively;

[0040] When it is necessary to detect the dust coverage on the surface of an object, the operator first holds the analyzer 1 and moves it to the side of the object to be detected, and then covers the cover 5 on the area of ​​the object to be detected, and then the external air supply device sends the gas into the air inlet slot 5a, and then the gas is ejected from the air injection slot 5b through the air inlet slot 5a. The ejected gas will blow up the dust in the cover 5, so that the dust is blown into the feed pipe 2, and then enters the analyzer 1 through the feed pipe 2. At this time, the analyzer 1 will detect the dust, so as to obtain the dust coverage on the surface of the object, thereby avoiding the need for a cumbersome detection process for detection, which leads to cumbersome cleaning problems. Since the dust adheres for a long time, it cannot be guaranteed that the blown gas can directly blow away all the dust, which leads to the analyzer 1 detecting the gas. The amount of dust contained in the cover 5 is inaccurate, which in turn affects the detection result. Therefore, when the gas enters the inside of the cover 5, the air inlet 6b of the partition plate 6 is blocked by the lower part of the connecting block 3, so that the partition plate 6 divides the cover 5 into two parts, the upper and lower parts. At this time, the gas cannot be directly discharged into the feeding pipe 2, so that after the gas blows up the dust, the gas and dust will stay in the lower part of the cover 5, thereby ensuring that all the dust is blown up and mixed with the gas before being discharged for detection, thereby ensuring the accuracy of the detection. However, directly making the lower part of the cover 5 closed, the gas cannot be discharged, which will cause the air pressure in the cover 5 to become stronger, and it is easy for the airflow to carry the dust out of the gap where the cover 5 contacts the object, thereby affecting the detection. Therefore, at this time, the gas can be discharged from the circular frame 8 into the circulation cavity 6a, and then discharged into the feeding pipe 2, so that the gas in the lower half of the cover 5 can be discharged normally, and at this time the filter screen 9 will intercept the dust to prevent it from being discharged together with the gas. At the same time, the DD motor 103 will drive the partition plate 6 to rotate, so that the gas flow position is constantly changing, so as to avoid that after the gas flow direction is fixed, the gas cannot form a vortex in the cover 5, which leads to a low mixing degree of dust and gas. After the gas is sprayed for a period of time, the electric push rod 101 drives the annular plate 102 and the DD motor 103 to drive the partition plate 6 to rise, so that the air inlet 6b is not blocked by the connecting block 3, and the partition plate 6 rises to be close to the cover 5, and the round frame 8 will also be blocked by the cover 5, so that the gas cannot flow into the circulation cavity 6a, and the gas is discharged from the air inlet 6b into the feeding pipe 2. At this time, the separation The component will separate the filter 9, so that the filter 9 is separated from the attached dust, so that the dust on the filter 9 and the dust in the cover 5 are discharged into the feed pipe 2 along with the gas, and then the dust detection work is carried out. Through the partition plate 6, the dust on the surface of the object can be blown up and then detected together, so as to avoid the situation where some dust remains on the surface of the object and causes inaccurate detection. The gas can be discharged first through the round frame 8 and the filter 9 to avoid excessive air pressure in the cover 5, which requires the operator to apply a strong downward pressure on the cover 5 to ensure that the high air pressure does not lift up the cover 5, so that a gap appears between the cover 5 and the surface of the equipment, thereby preventing the gas from not flowing out from the gap, and by changing the gas outflow position, the gas does not maintain the same flow state.Then the gas is in a vortex state, and the vortex state of the gas creates a rolling effect on the dust on the surface of the object to be tested, thereby accelerating the blowing speed of the dust;

[0041] When the partition plate 6 rises, the external air supply device will supply gas to the air inlet hole 5c. At this time, the gas will enter the annular channel 111b connected thereto through the air inlet hole 5c. Since the air inlet hole 5c is inclined, the gas will be ejected in an inclined state, and the ejected gas will directly blow to the pushing part 111a, so that the gas will push the pushing part 111a, so that the pushing part 111a drives the rotating ring 111 to rotate, so that the rotating ring 111 is in a state of continuous rotation, and the rotating rotating ring 111 will drive the wedge block 2 113 to rotate, so that the wedge block 2 113 squeezes the wedge block 1 112, so that the wedge block 1 112 drives the connecting block 3, and the spring 1 4 will be in a compressed state. When the wedge block 2 113 continues to rotate away from the wedge block 1 112, the compressed spring 1 4 will rebound and push the connecting block 3 back to its original position, and this is repeated, so that the connecting block 3 is in a shaking state. At this time, the connecting block 3 will drive the feeding pipe 2 to shake, and because the lower part of the cover 5 The cover 5 is made of silicone. When the wedge block 113 squeezes the wedge block 112 and makes the wedge block 112 rise, the wedge block 113 will be subjected to the reverse thrust of the spring 14. At this time, the reverse thrust of the wedge block 113 will be transmitted to the cover 5 through the rotating ring 111, so that the silicone at the lower part of the cover 5 is squeezed and deformed. When the wedge block 113 is away from the wedge block 112, the deformed silicone will retreat, so that the cover 5 is in a shaking state. Through the mutual squeezing of the wedge block 112 and the wedge block 113, the feed pipe 2, the connecting block 3 and the cover 5 are all in a shaking state. With the flow of gas, the dust attached to the feed pipe 2, the connecting block 3 and the cover 5 is directly shaken off, thereby avoiding the occurrence of inaccurate detection results due to the residual dust. It should be noted that when the gas flows to a certain position in the annular channel 111b, the gas will be discharged into the separation component, thereby ensuring that the rotating ring 111 is in a continuous rotation state.

[0042] Example 2

[0043] On the basis of Example 1, Figure 2-6 As shown, the separation assembly includes a rotating circular plate 201, a gear 1 211 and a gear 2 212; the left portion of the cover 5 is rotatably connected to the rotating circular plate 201, the rotating circular plate 201 is provided with a plurality of jet holes 201a, the cover 5 is provided with a gas collecting cavity 5d, the gas collecting cavity 5d is connected to the flow cavity 6a, the outer side of the lower portion of the rotating circular plate 201 is fixedly connected to the gear 1 211, the outer side of the lower portion of the rotating ring 111 is fixedly connected to the gear 2 212, and the gear 1 211 and the gear 2 212 are meshed with each other.

[0044] The gas injection holes 201a are staggeredly distributed so that the entire area of ​​the filter screen 9 is sprayed with gas.

[0045] The specific working steps of separating components are:

[0046] When the gas flows in the annular channel 111b to the gas collecting cavity 5d, the gas will be discharged into the gas collecting cavity 5d, and at this time the gas will be ejected from the gas injection hole 201a through the gas collecting cavity 5d, and then the gas will be ejected to the filter screen 9, and at this time the gas will blow the dust intercepted on the filter screen 9 into the cover 5, thereby completing the separation of the dust intercepted on the filter screen 9;

[0047] However, at this time, the gas ejected from the jet hole 201a cannot completely cover the filter 9, which may cause some dust to be unable to completely enter the cover 5, and then cause some dust to be unable to be detected, thereby affecting the detection result. Therefore, when the rotating ring 111 rotates, it will drive the gear 2 212 to rotate, so that the gear 2 212 drives the meshing gear 1 211 to rotate, and then the gear 1 211 drives the rotating circular plate 201 to rotate, so that the jet hole 201a on the rotating circular plate 201 rotates, so that the ejected gas cleans different areas of the filter 9. Since the jet holes 201a are staggered, it is ensured that all areas of the filter 9 are cleaned, and the cleaned dust follows the airflow from the inside of the cover 5 to the feed pipe 2, and then flows into the analyzer 1, thereby ensuring the accuracy of the detection result.

[0048] Example 3

[0049] On the basis of Example 2, Figure 6 As shown, it also includes spring 2 7, wedge block 3 301 and wedge block 4 302; six springs 2 7 distributed in an annular manner are fixedly connected to the left part of the partition plate 6; all springs 2 7 are fixedly connected to the circular frame 8; eight wedge blocks 3 301 are fixedly connected to the lower part of the rotating circular plate 201; and eight wedge blocks 4 302 are fixedly connected to the upper part of the circular frame 8.

[0050] It also includes convex thorns 303; a plurality of convex thorns 303 are fixedly connected to the lower part of the rotating circular plate 201.

[0051] The specific working steps are:

[0052] Since a large amount of dust will follow the gas flow and adhere to the filter 9 during the dust blowing process, if it is only dependent on the airflow impact, the cleaning time will be too long, resulting in most of the dust being discharged with the gas for detection, and a small part of the dust still adhering to the filter 9, which can easily lead to inaccurate detection and greatly affect the detection speed. Therefore, when the partition plate 6 rises and contacts the upper part of the cover 5, the wedge block 301 and the wedge block 4 302 will contact each other, and when the rotating circular plate 201 rotates, the rotating circular plate 201 will drive The wedge block 301 rotates, so that the wedge block 301 squeezes the wedge block 4 302. At this time, the wedge block 4 302 will drive the circular frame 8 to descend, so that the spring 2 7 is in a compressed state. When the wedge block 301 rotates away from the wedge block 4 302, the compressed spring 2 7 will rebound and push the circular frame 8 to rise back to its original position. This is repeated, so that the circular frame 8 is in a shaking state, and then the circular frame 8 drives the filter 9 to shake, so that the dust attached to the filter 9 is easily blown away, thereby speeding up the cleaning work and avoiding affecting the detection.

[0053] After the partition plate 6 drives the circular frame 8 and the filter screen 9 to rise, the thorns 303 will be inserted into the mesh of the filter screen 9. When the rotating circular plate 201 rotates, the rotating circular plate 201 will drive the thorns 303 to rotate together, so that the thorns 303 brush the mesh of the filter screen 9, and then the thorns 303 brush the dust on the filter screen 9, thereby further accelerating the dust cleaning speed;

[0054] By rotating the circular plate 201, gear one 211 and gear two 212, the rotating circular plate 201 is driven to rotate, so that the gas can clean the filter 9 more comprehensively while making the filter 9 vibrate, thereby making it easier for the gas to blow away the dust on the filter 9 and allowing the thorns 303 to brush off the dust on the filter 9.

[0055] The above description is only an example of the present invention and is not intended to limit the present invention. Any equivalent substitutions made within the principles of the present invention should be included in the protection scope of the present invention. The contents not elaborated in detail in the present invention belong to the existing technologies known to those skilled in the art.

Claims

1. A surface dust particle analyzer, comprising an analyzer (1), a feed pipe (2), a connecting block (3), a spring (4) and a cover (5); the left side of the analyzer (1) is connected to the feed pipe (2); the feed pipe (2) is fixedly connected to the connecting block (3); a plurality of springs (4) are fixedly connected to the upper part of the connecting block (3); all the springs (4) are commonly fixedly connected to the cover (5); an air inlet groove (5a) is provided at the lower part of the cover (5), and at least eight air jet grooves (5b) are provided at the lower part of the cover (5), and the air jet grooves (5b) are connected to the air inlet groove (5a); the characteristics are: It also comprises a partition plate (6), a round frame (8), a filter screen (9), a driving assembly and a separation assembly; the cover (5) is connected to a driving assembly for driving; the driving assembly is connected to the partition plate (6), the left part of the partition plate (6) is connected to a round frame (8), and the round frame (8) is fixedly connected to a filter screen (9); the partition plate (6) and the cover (5) together form a flow cavity (6a); an air inlet (6b) is provided in the middle of the partition plate (6), the lower part of the connecting block (3) is located in the air inlet (6b), and the cover (5) is connected to a separation assembly for cleaning the filter screen (9); Also included is a vibration component; the vibration component includes a rotating ring (111), a wedge-shaped block 1 (112) and a wedge-shaped block 2 (113); the cover (5) is rotatably connected to the rotating ring (111), and an annular channel (111b) is formed between the cover (5) and the rotating ring (111), and the annular channel (111b) is connected to the separation component; The separation component comprises a rotating circular plate (201), a gear one (211) and a gear two (212); the left portion of the cover (5) is rotatably connected to the rotating circular plate (201); the rotating circular plate (201) is provided with a plurality of air injection holes (201a); the cover (5) is provided with a gas collecting cavity (5d); the gas collecting cavity (5d) is communicated with the flow cavity (6a); the lower portion of the rotating circular plate (201) is fixedly connected to the gear one (211); the lower portion of the rotating ring (111) is fixedly connected to the gear two (212); the gear one (211) and the gear two (212) are meshed with each other.

2. A surface dust particle analyzer according to claim 1, characterized in that: The lower part of the connecting block (3) is conical.

3. A surface dust particle analyzer according to claim 1, characterized in that: The air-jet slot (5b) is inclined downward.

4. A surface dust particle analyzer according to claim 1, characterized in that: The jet groove (5b) is in the shape of a trumpet.

5. The surface dust particle analyzer according to claim 1, characterized in that: The lower part of the cover (5) is made of rubber.

6. A surface dust particle analyzer according to any one of claims 1 to 5, characterized in that: The cover (5) is connected to a vibration assembly for causing the feed pipe (2), the connection block (3) and the cover (5) to vibrate; the rotating ring (111) is provided with a plurality of pushing parts (111a), the pushing parts (111a) are located in the annular channel (111b), the cover (5) is provided with an air inlet hole (5c), the air inlet hole (5c) is inclined, and the air inlet hole (5c) is connected to the annular channel (111b); the connection block (3) is fixedly connected to at least eight wedge-shaped blocks (112); and the upper part of the rotating ring (111) is fixedly connected to at least eight wedge-shaped blocks (113).

7. A surface dust particle analyzer according to claim 1, characterized in that: The fumaroles (201a) are staggered.

8. A surface dust particle analyzer according to claim 1, characterized in that: It also includes spring 2 (7), wedge block 3 (301) and wedge block 4 (302); a plurality of spring 2 (7) are fixedly connected to the left portion of the partition plate (6); all spring 2 (7) are fixedly connected to the circular frame (8); a plurality of wedge blocks 3 (301) are fixedly connected to the lower portion of the rotating circular plate (201); and a plurality of wedge blocks 4 (302) are fixedly connected to the upper portion of the circular frame (8).

9. A surface dust particle analyzer according to claim 8, characterized in that: It also includes convex thorns (303); a plurality of convex thorns (303) are fixedly connected to the lower part of the rotating circular plate (201).

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