CN115468885A - Dust concentration test assembly - Google Patents
Dust concentration test assembly Download PDFInfo
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- CN115468885A CN115468885A CN202211112418.2A CN202211112418A CN115468885A CN 115468885 A CN115468885 A CN 115468885A CN 202211112418 A CN202211112418 A CN 202211112418A CN 115468885 A CN115468885 A CN 115468885A
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- air inlet
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- inlet channel
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 239000000428 dust Substances 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims description 42
- 238000009434 installation Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a dust concentration testing component, which comprises a shell, a sampling head, a display screen and a flowmeter, wherein the display screen is arranged on the surface of the shell, the flowmeter is arranged on the surface of the shell beside the display screen, the sampling head is fixedly arranged on the side surface of the shell, an air inlet pipe is fixedly connected with the inner wall of the shell, the air inlet pipe is communicated with the sampling head, a testing module is fixedly arranged at one end, away from the sampling head, of the air inlet pipe, a mounting plate is fixedly connected with the inner wall of the shell, the mounting plate is fixedly connected with the testing module, a first through hole is formed in the top of the shell, and an adjusting device is rotatably arranged on the surface of the first through hole.
Description
Technical Field
The invention relates to the technical field of dust concentration measuring instruments, in particular to a dust concentration testing assembly.
Background
Most of existing CCZ1000 direct-reading dust concentration measuring instruments adopt a light scattering method to measure dust concentration, an air suction pump sucks air, the air is sucked from a sampling head, a ray detection device detects the air, the air is displayed on the surfaces of a flow meter and a display screen, the air to be measured entering the dust concentration measuring instrument contains dust, and if a protection structure is not arranged on the ray detection device, surface pollution can be caused, and then the measuring result is influenced.
Therefore, it is necessary to provide a dust concentration testing assembly to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a dust concentration testing assembly which comprises a shell, a sampling head, a display screen and a flowmeter, wherein the display screen is installed on the surface of the shell, the flowmeter is installed on the surface of the shell beside the display screen, the sampling head is fixedly installed on the side surface of the shell, an air inlet pipe is fixedly connected to the inner wall of the shell, the air inlet pipe is communicated with the sampling head, a testing module is fixedly installed at one end, away from the sampling head, of the air inlet pipe, a mounting plate is fixedly connected to the inner wall of the shell, the mounting plate is fixedly connected with the testing module, a first through hole is formed in the top of the shell, an adjusting device is rotatably installed on the surface of the first through hole, the adjusting device is installed in a matched mode with the testing module, a second through hole is formed in the surface of the shell, and the second through hole is in sliding insertion connection with the testing module.
Preferably, a handle is fixedly arranged at the top of the shell.
Preferably, the test module comprises a first mounting block, a second mounting block, a regulating block, a first air inlet channel, a second air inlet channel, a third air inlet channel, a filter membrane clamp, a filter membrane, a mounting shell, a laser, a first sensor, a second sensor, a circuit board, a battery assembly, an air suction pump, a limiting rod, a spring and a side plate, wherein the first mounting block is mounted at one end of the air inlet pipe away from the sampling head in a matching manner, the first air inlet channel is formed in the first mounting block, the second mounting block is mounted at one end of the first mounting block away from the air inlet pipe in a matching manner, the second air inlet channel is formed in the second mounting block, the first air inlet channel is communicated with the second air inlet channel, the surface of the second air inlet channel is fixedly connected with the mounting shell, the laser is mounted in the mounting shell, and the first sensor is mounted in the second mounting block, the surface of the first sensor penetrates through the surface of the second mounting block and extends into the second air inlet channel, the second mounting block and the first mounting block are fixedly connected with the mounting plate, the side surface of the mounting plate is fixedly connected with a side plate, the surface of the side plate is symmetrically and fixedly connected with limiting rods, the surfaces of the four limiting rods are provided with regulating blocks in a sliding manner, the four limiting rods are all in sliding insertion connection with the first mounting block and the second mounting block, the surface of each limiting rod is sleeved with a spring, the surface of the second through hole is in sliding insertion connection with a filter membrane clamp, the surface of the filter membrane clamp is provided with a filter membrane in a matching manner, the second mounting block and the regulating blocks are all in matching mounting with a regulating device, the inside of each regulating block is provided with a third air inlet channel, the surface of the third air inlet channel is provided with a second sensor, the inner wall of the shell is positioned beside the mounting plate and fixedly provided with a circuit board, the inner wall of the shell is positioned beside the circuit board and provided with a battery assembly, the inner wall of the shell is positioned beside the battery assembly and provided with an air extracting pump, the air pump is connected with the flowmeter through a pipeline, the second mounting block is connected with the flowmeter through a pipeline, and the circuit board is connected with the battery pack, the air pump, the display screen, the first sensor, the second sensor, the laser and the flowmeter through leads.
Preferably, the surface symmetry of regulating block has seted up first locating hole, and the one end and the first locating hole fixed surface of spring are connected, and the second locating hole has been seted up on the surface of first locating hole, second locating hole and gag lever post sliding connection, and the third locating hole has been seted up on the surface of second installation piece, and the third locating hole slides with the gag lever post and pegs graft, and the constant head tank has been seted up to the surface symmetry of first installation piece, and the gag lever post slides with the constant head tank and pegs graft.
Preferably, the initial state of the spring is a compressed state.
Preferably, the surface of the mounting housing adjacent the first mounting block is tapered.
Preferably, adjusting device includes rotor plate, fixed column and ring, and the fixed surface of regulating block is connected with the ring, and the rotor plate is installed to the surface cooperation of ring, and the fixed column is installed in the inside rotation of rotor plate, fixed column and second installation piece fixed connection, and the rotor plate rotates the installation with first mounting hole.
Preferably, the adjusting block is fixedly provided with a rubber sealing ring close to the surface of the second mounting block.
Compared with the prior art, the invention provides a dust concentration testing assembly which has the following beneficial effects:
1. according to the invention, the mounting shell is arranged in the second air inlet channel, one end of the mounting shell is conical, the laser is mounted in the mounting shell, the laser can be protected, when air is fed, the laser enters the second air inlet channel through the first air inlet channel, a protective air curtain is formed in the second air inlet channel to the joint of the second air inlet channel and the third air inlet channel, the laser is protected, dust pollution is avoided, the laser is filtered through the filter membrane between the second mounting block and the adjusting block, the first sensor is used for sensing, the operating state of the laser is used for transmitting signals, the second sensor is used for sensing, and the signals are displayed on the surface of the display screen.
2. When the filter membrane clamp and the filter membrane are installed, the rotating plate is shifted, the rotating plate rotates by taking the rotating connection part with the fixed column as a rotating center, the rotating plate is in contact with the surface of the circular ring, so that the adjusting block and the limiting rod are driven to slide relatively, the initial state of the spring is a compressed state, the reaction force generated by the compression of the spring acts on the surface of the first positioning hole, the spring is further compressed, the filter membrane clamp is placed between the adjusting block and the second installing block, the filter membrane clamp is clamped and positioned by utilizing the elastic force of the spring, the installation stability of the filter membrane clamp is ensured, the installation and the disassembly of the filter membrane clamp are convenient, the filter membrane clamp can be installed and positioned by the arrangement of the rotating plate, when the filter membrane clamp is inserted into the shell, the surface of the filter membrane clamp is in contact with the surface of the rotating plate, and at the moment, the filter membrane can be aligned with the second air inlet channel and the third air inlet channel, and the stable operation of the whole body is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of the present invention;
FIG. 3 is a schematic view of a third air intake passage configuration of the present invention;
FIG. 4 is a schematic view of a second air intake passage configuration of the present invention;
FIG. 5 is a schematic view of a second mounting block configuration of the present invention;
FIG. 6 is a schematic view of a first mounting block configuration of the present invention;
fig. 7 is a schematic view of the rubber packing block of the present invention.
In the figure: 1. a housing; 2. a sampling head; 3. a display screen; 4. a flow meter; 5. an air inlet pipe; 6. a measuring device; 7. mounting a plate; 8. a first through hole; 9. an adjustment device; 10. a second through hole; 11. a handle; 12. a first mounting block; 13. a second mounting block; 14. an adjusting block; 15. a first air intake passage; 16. a second intake passage; 17. a third air intake passage; 18. filter membrane clamping; 19. filtering the membrane; 20. installing a shell; 21. a laser; 22. a first sensor; 23. a second sensor; 24. a circuit board; 25. a battery assembly; 26. an air pump; 27. a limiting rod; 28. a spring; 29. a side plate; 30. a first positioning hole; 31. a second positioning hole; 32. a third positioning hole; 33. a rubber seal ring; 34. positioning a groove; 35. a rotating plate; 36. fixing a column; 37. a circular ring.
Detailed Description
Referring to fig. 1 to 7, the invention relates to a dust concentration testing assembly, which comprises a shell 1, a sampling head 2, a display screen 3 and a flowmeter 4, wherein the display screen 3 is installed on the surface of the shell 1, the flowmeter 4 is installed on the surface of the shell 1 beside the display screen 3, the sampling head 2 is fixedly installed on the side surface of the shell 1, an air inlet pipe 5 is fixedly connected to the inner wall of the shell 1, the air inlet pipe 5 is communicated with the sampling head 2, a testing module 6 is fixedly installed at one end, far away from the sampling head 2, of the air inlet pipe 5, a mounting plate 7 is fixedly connected to the inner wall of the shell 1, the mounting plate 7 is fixedly connected with the testing module 6, a first through hole 8 is formed in the top of the shell 1, an adjusting device 9 is rotatably installed on the surface of the first through hole 8, the adjusting device 9 is installed in cooperation with the testing module 6, a second through hole 10 is formed in the surface of the shell 1, and the second through hole 10 is slidably inserted into the testing module 6.
A handle 11 is fixedly mounted at the top of the shell 1, so that the whole shell can be conveniently lifted through the handle 11, and the carrying is convenient.
The test module 6 comprises a first mounting block 12, a second mounting block 13, an adjusting block 14, a first air inlet channel 15, a second air inlet channel 16, a third air inlet channel 17, a filter membrane clamp 18, a filter membrane 19, a mounting shell 20, a laser 21, a first sensor 22, a second sensor 23, a circuit board 24, a battery assembly 25, an air suction pump 26, a limiting rod 27, a spring 28 and a side plate 29, wherein the first mounting block 12 is mounted at one end of the air inlet pipe 5 away from the sampling head 2 in a matching way, the first air inlet channel 15 is formed in the first mounting block 12, the second mounting block 13 is mounted at one end of the first mounting block 12 away from the air inlet pipe 5 in a matching way, the second air inlet channel 16 is formed in the second mounting block 13, the first air inlet channel 15 is communicated with the second air inlet channel 16, the mounting shell 20 is fixedly connected to the surface of the second air inlet channel 16, the laser 21 is mounted in the mounting shell 20, a first sensor 22 is arranged inside a second mounting block 13, the surface of the first sensor 22 penetrates through the surface of the second mounting block 13 and extends into a second air inlet channel 16, the second mounting block 13 and a first mounting block 12 are fixedly connected with a mounting plate 7, the side surface of the mounting plate 7 is fixedly connected with a side plate 29, limiting rods 27 are symmetrically and fixedly connected with the surface of the side plate 29, adjusting blocks 14 are arranged on the surfaces of the four limiting rods 27 in a sliding manner, the four limiting rods 27 are respectively connected with the first mounting block 12 and the second mounting block 13 in a sliding manner in an inserting manner, a spring 28 is sleeved on the surface of each limiting rod 27, a filter membrane clamp 18 is arranged on the surface of a second through hole 10 in a sliding manner in an inserting manner, a filter membrane 19 is arranged on the surface of each filter membrane clamp 18 in a matching manner, the second mounting block 13 and the adjusting block 14 are respectively matched and mounted with an adjusting device 9, a third air inlet channel 17 is arranged inside the adjusting block 14, a second sensor 23 is arranged on the surface of the third air inlet channel 17, fixed mounting has circuit board 24 that 1 inner wall of casing is located the other mounting panel 7, 1 inner wall of casing is located the other battery pack 25 of installing of circuit board 24, 1 inner wall of casing is located battery pack 25 and installs aspiration pump 26, pass through the pipe connection between aspiration pump 26 and the flowmeter 4, pass through the pipe connection between second installation piece 13 and the flowmeter 4, circuit board 24 and battery pack 25, aspiration pump 26, display screen 3, first sensor 22, second sensor 23, all connect through the wire between laser instrument 21 and the flowmeter 4, play the guard action, when whole operation is examined, can form protective gas curtain at the other end of installation shell 20, will detect the light path and the air current that awaits measuring and isolate, greatly reduced detects the possibility that the light path is polluted by the dust particle in the air current that awaits measuring.
Preferably, the surface of the adjusting block 14 is symmetrically provided with first positioning holes 30, one end of the spring 28 is fixedly connected with the surface of the first positioning hole 30, the surface of the first positioning hole 30 is provided with a second positioning hole 31, the second positioning hole 31 is slidably connected with the limiting rod 27, the surface of the second mounting block 13 is provided with a third positioning hole 32, the third positioning hole 32 is slidably inserted with the limiting rod 27, the surface of the first mounting block 12 is symmetrically provided with positioning grooves 34, and the limiting rod 27 is slidably inserted with the positioning grooves 34, so that the first mounting block 12, the second mounting block 13 and the movable block are mounted on a straight line; the spring 28 is initially compressed to ensure that there is sufficient force to hold the filter clamp 18 in place.
The surface of the mounting shell 20 close to the first mounting block 12 is conical, so that a protective air curtain is formed conveniently, and the possibility that the detection light path is polluted by dust particles in the airflow to be detected is reduced; the adjusting device 9 comprises a rotating plate 35, a fixing column 36 and a circular ring 37, the surface of the adjusting block 14 is fixedly connected with the circular ring 37, the rotating plate 35 is installed on the surface of the circular ring 37 in a matched mode, the fixing column 36 is installed inside the rotating plate 35 in a rotating mode, the fixing column 36 is fixedly connected with the second installing block 13, the rotating plate 35 is installed in a rotating mode with the first installing hole, the adjusting effect is achieved, the filter membrane clamp 18 and the filter membrane 19 can be installed and detached conveniently, and the use is convenient; the adjusting block 14 is fixedly provided with a rubber sealing ring 33 on the surface close to the second mounting block 13, and the tightness of the contact part of the adjusting block 14 and the filter membrane clamp 18 can be ensured by utilizing the elastic force action of the spring 28, so that the whole operation is stable.
The working principle and the using process of the invention are as follows:
when the dust concentration detection device is used, the air is extracted by the air extracting pump 26, air enters from the sampling head 2, the air inlet pipe 5 enters the first air inlet channel 15, the first air inlet channel 15 is conical, gas to be detected enters the second air inlet channel 16 along the first air inlet channel 15, the surface of the mounting shell 20 close to the first mounting block 12 is conical, the effect of shunting is achieved, a protective air curtain can be formed at the other end of the mounting shell 20, a detection light path and the gas flow to be detected are isolated, the possibility that the detection light path is polluted by dust particles in the gas flow to be detected is greatly reduced, the stability and the accuracy of dust concentration detection are improved, the detection is carried out through the filter membrane 19, the first sensor 22 and the second sensor 23 carry out signal transmission, and display is carried out on the surface of the display screen 3; the special optical element can be adopted to shape the laser beam, and a plane light curtain is generated to act on the airflow to be detected, so that the area of the beam acting on the airflow to be detected is increased, the scattering intensity is enhanced, and the dust concentration of the equipment can be effectively detected under low concentration; when the filter membrane clamp 18 and the filter membrane 19 are installed, the rotating plate 35 is shifted, the rotating plate 35 rotates by taking a rotating connection part with the fixed column 36 as a rotating center, the rotating plate 35 is in surface contact with the ring 37, and then the adjusting block 14 and the limiting rod 27 are driven to slide relatively, the initial state of the spring 28 is in a compressed state, the reaction force generated by the compression of the spring 28 acts on the surface of the first positioning hole 30, the spring 28 is further compressed, the filter membrane clamp 18 is arranged between the adjusting block 14 and the second installation block 13, the filter membrane clamp 18 is clamped and positioned by the aid of the elastic force of the spring 28, installation stability of the filter membrane clamp 18 is guaranteed, the filter membrane clamp 18 is convenient to install and detach, the rotating plate 35 can be used for installing and positioning the filter membrane clamp 18, when the filter membrane clamp 18 is inserted into the shell 1, the surface of the filter membrane clamp 18 is in surface contact with the rotating plate 35, at the moment, the filter membrane 19 can align the second air inlet channel 16 and the third air inlet channel 17, and installation is completed.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a dust concentration test assembly, includes casing (1), sampling head (2), display screen (3) and flowmeter (4), the surface mounting of casing (1) has display screen (3), casing (1) surface is located other flowmeter (4) of installing of display screen (3), the side fixed mounting of casing (1) has sampling head (2), a serial communication port, casing (1) inner wall fixedly connected with intake pipe (5), intake pipe (5) are linked together with sampling head (2), the one end fixed mounting that sampling head (2) were kept away from in intake pipe (5) has test module (6), casing (1) inner wall fixedly connected with mounting panel (7), mounting panel (7) and test module (6) fixed connection, first through-hole (8) have been seted up at the top of casing (1), adjusting device (9) are installed in the rotation of the surface of first through-hole (8), adjusting device (9) and test module (6) cooperation installation, second through-hole (10) have been seted up on casing (1) surface, second through-hole (10) and test module (6) slip.
2. A dust concentration test assembly according to claim 1, wherein: the top of the shell (1) is fixedly provided with a handle (11).
3. A dust concentration test assembly according to claim 1, wherein: the testing module (6) comprises a first mounting block (12), a second mounting block (13), an adjusting block (14), a first air inlet channel (15), a second air inlet channel (16), a third air inlet channel (17), a filter membrane clamp (18), a filter membrane (19), a mounting shell (20), a laser (21), a first sensor (22), a second sensor (23), a circuit board (24), a battery component (25), an air suction pump (26), a limiting rod (27), a spring (28) and a side plate (29), wherein the first mounting block (12) is mounted at one end, far away from the sampling head (2), of the air inlet pipe (5), the first air inlet channel (15) is formed in the first mounting block (12), the second mounting block (13) is mounted at one end, far away from the air inlet pipe (5), of the first mounting block (12), the second air inlet channel (16) is formed in the second mounting block (13), the first air inlet channel (15) is communicated with the second air inlet channel (16), the surface of the second air inlet channel (16) is fixedly connected with the mounting block (20), and the laser (21) is mounted on the surface of the mounting block (20), the surface of the first sensor (22) penetrates through the surface of the second mounting block (13) and extends into the second air inlet channel (16), the second mounting block (13) and the first mounting block (12) are fixedly connected with the mounting plate (7), side faces of the mounting plate (7) are fixedly connected with side plates (29), limiting rods (27) and four limiting rods (27) are symmetrically fixedly connected with the surfaces of the side plates (29), regulating blocks (14) are installed on the surfaces of the limiting rods (27) in a sliding mode, the limiting rods (27) are all inserted into the first mounting block (12) and the second mounting block (13) in a sliding mode, springs (28) are sleeved on the surfaces of the limiting rods (27), filter membrane clamps (18) are installed on the surfaces of the second through holes (10) in a sliding mode, filter membranes (19) are installed on the surfaces of the filter membrane clamps (18) in a matching mode, the second mounting blocks (13) and the regulating blocks (14) are installed on the adjusting device (9) in a matching mode, a third air inlet channel (17) is installed on the surfaces of the regulating blocks (14), a second air inlet channel (17), a sensor component (23) is located beside the circuit board (1), and a circuit board (24) is installed on the inner wall of the circuit board (1), the utility model discloses a battery pack, including casing (1), battery pack (25), air pump (26), second installation piece (13), flowmeter (4), circuit board (24), battery pack (25), air pump (26), display screen (3), first sensor (22), second sensor (23), laser instrument (21) and flowmeter (4), the inner wall of casing (1) is located and installs air pump (26) by battery pack (25), through the pipe connection between air pump (26) and flowmeter (4), through the pipe connection between second installation piece (13) and the flowmeter (4), all connect through the wire between circuit board (24) and the battery pack (25), air pump (26), display screen (3), first sensor (22), second sensor (23), laser instrument (21) and flowmeter (4).
4. A dust concentration test assembly according to claim 3, wherein: first locating hole (30) have been seted up to the surface symmetry of regulating block (14), the one end and first locating hole (30) fixed surface of spring (28) are connected, second locating hole (31) have been seted up on the surface of first locating hole (30), second locating hole (31) and gag lever post (27) sliding connection, third locating hole (32) have been seted up on the surface of second installation piece (13), third locating hole (32) and gag lever post (27) slip grafting, locating groove (34) have been seted up to the surface symmetry of first installation piece (12), gag lever post (27) and locating groove (34) slip grafting.
5. A dust concentration test assembly according to claim 3, wherein: the initial state of the spring (28) is a compressed state.
6. A dust concentration test assembly according to claim 3, wherein: the surface of the mounting housing (20) adjacent the first mounting block (12) is tapered.
7. A dust concentration test assembly according to claim 3, wherein: adjusting device (9) include rotor plate (35), fixed column (36) and ring (37), the fixed surface of regulating block (14) is connected with ring (37), rotor plate (35) are installed to the surface cooperation of ring (37), the inside rotation of rotor plate (35) is installed fixed column (36), fixed column (36) and second installation piece (13) fixed connection, rotor plate (35) rotate with first mounting hole and install.
8. A dust concentration test assembly according to claim 3, wherein: and a rubber sealing ring (33) is fixedly arranged on the surface of the adjusting block (14) close to the second mounting block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112418.2A CN115468885A (en) | 2022-09-14 | 2022-09-14 | Dust concentration test assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112418.2A CN115468885A (en) | 2022-09-14 | 2022-09-14 | Dust concentration test assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115468885A true CN115468885A (en) | 2022-12-13 |
Family
ID=84333608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211112418.2A Withdrawn CN115468885A (en) | 2022-09-14 | 2022-09-14 | Dust concentration test assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115468885A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990204A (en) * | 2023-09-27 | 2023-11-03 | 华德环科暖通工程(泰州)有限公司 | Defeated buggy dirt detection device |
| CN117309710A (en) * | 2023-11-27 | 2023-12-29 | 江苏南理范群装备科技有限公司 | Environment dust testing arrangement |
-
2022
- 2022-09-14 CN CN202211112418.2A patent/CN115468885A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990204A (en) * | 2023-09-27 | 2023-11-03 | 华德环科暖通工程(泰州)有限公司 | Defeated buggy dirt detection device |
| CN116990204B (en) * | 2023-09-27 | 2023-12-01 | 华德环科暖通工程(泰州)有限公司 | Defeated buggy dirt detection device |
| CN117309710A (en) * | 2023-11-27 | 2023-12-29 | 江苏南理范群装备科技有限公司 | Environment dust testing arrangement |
| CN117309710B (en) * | 2023-11-27 | 2024-01-26 | 江苏南理范群装备科技有限公司 | Environment dust testing arrangement |
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