CN220063771U - Dust particle counting device - Google Patents
Dust particle counting device Download PDFInfo
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- CN220063771U CN220063771U CN202321646890.4U CN202321646890U CN220063771U CN 220063771 U CN220063771 U CN 220063771U CN 202321646890 U CN202321646890 U CN 202321646890U CN 220063771 U CN220063771 U CN 220063771U
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- 239000002245 particle Substances 0.000 title claims abstract description 46
- 239000000428 dust Substances 0.000 title claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a dust particle counting device, which comprises a counting cylinder, wherein an air flow space penetrating through the counting cylinder is formed in the counting cylinder, a telescopic sampling tube is arranged at one end of the counting cylinder, a gas treatment cylinder is arranged at the other end of the counting cylinder, a handle is fixedly connected to the side part of the counting cylinder, and a storage battery mounting shell is arranged at one end of the handle away from the counting cylinder; a first lens and a second lens which are arranged in opposite directions are embedded in the counting cylinder, the first lens and the second lens are arranged on two sides of an air flow space in the counting cylinder, a light beam emitting part is arranged on the side part of the first lens, and a light beam receiving part is arranged on the side part of the second lens; an air pump and a filter screen layer are arranged in the air treatment cylinder, an air suction port of the air pump is communicated with the inner cavity of the counting cylinder, and the filter screen layer is positioned at an air outlet of the air pump. The utility model can flexibly adjust the position and the angle according to different monitoring areas, is convenient for counting monitoring and subsequent carrying, realizes dust-free exhaust and avoids the interference and damage of dust-containing air to the sterile environment.
Description
Technical Field
The utility model relates to a dust particle counting device, and belongs to the technical field of gas quality monitoring.
Background
The dust particle counter is an instrument for measuring the number of dust particles and the particle size distribution per unit volume in a clean environment. The particle counter is developed from a microscope, and is subjected to the processes of the microscope, a sedimentation tube, a sedimentation instrument, a centrifugal sedimentation instrument, a particle counter and a laser particle counter, wherein the particle counter is a mainstream product in a plurality of industries due to the advantages of high testing speed, wide dynamic distribution, no artificial influence and the like of the laser air particle counter.
The basic working principle of the laser particle counter is that the detection laser of the optical sensor is scattered by dust particles and then is received by the photosensitive element to generate pulse signals, the light pulses are changed into electric pulses, the particle number is obtained by the pulse number, and the particle diameter is obtained according to the functional relation between the intensity of the scattered light of the particles and the particle diameter.
When the traditional laser particle counter is used, the position and the angle of the traditional laser particle counter are not convenient to adjust according to different monitoring areas, and meanwhile, the follow-up carrying work is also inconvenient, such as the two-in-one laser dust particle counter disclosed in patent number CN202220052105.1 and the laser dust particle counter disclosed in patent number CN 202222364319.5. When the traditional laser particle counter is used, dust-containing air is sent into the measuring cavity through the air inlet and then is discharged through the air outlet, and the discharged dust-containing air can cause interference and damage to the whole sterile environment.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides the dust particle counting device which can flexibly adjust the position and the angle according to different monitoring areas, is convenient for counting and monitoring and subsequent carrying work, realizes dust-free exhaust and avoids the interference and damage of dust-containing air to a sterile environment.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the dust particle counting device comprises a counting cylinder, wherein an air flow space penetrating through the counting cylinder is formed in the counting cylinder, a telescopic sampling tube is arranged at one end of the counting cylinder, a gas treatment cylinder is arranged at the other end of the counting cylinder, and the counting cylinder, the sampling tube and the gas treatment cylinder are coaxially arranged;
the side part of the counting cylinder is fixedly connected with a handle which is arranged vertically to the counting cylinder, a hollow cavity is arranged in the handle, and one end of the handle, which is far away from the counting cylinder, is provided with a storage battery mounting shell;
a first lens and a second lens which are arranged in opposite directions are embedded in the counting cylinder, the first lens and the second lens are arranged on two sides of an air flow space in the counting cylinder, a light beam emitting part is arranged on the side part of the first lens, and a light beam receiving part is arranged on the side part of the second lens;
an air pump and a filter screen layer are arranged in the air treatment cylinder, an air suction port of the air pump is communicated with the inner cavity of the counting cylinder, and the filter screen layer is positioned at an air outlet of the air pump.
Further, the sampling tube is communicated with the inner cavity of the counting cylinder, and the gas treatment cylinder is communicated with the inner cavity of the counting cylinder.
Further, one end of the sampling tube, which is close to the counting barrel, is provided with an expanding head, and the expanding head is in threaded connection or plug-in connection with the end part of the counting barrel.
Further, the sampling tube is a telescopic tube.
Further, the storage battery mounting shell is fixedly connected with the handle, and the inner cavities of the storage battery mounting shell and the handle are communicated.
Further, a storage battery is arranged in the storage battery mounting shell, and the storage battery is electrically connected with the air pump.
Further, the light beam emitting component is fixedly arranged in the joint of the handle and the storage battery mounting shell; the light beam receiving component is embedded in the counting barrel.
Further, a detachable end cover is arranged at the end part of the gas treatment cylinder far away from the counting cylinder, and a honeycomb-shaped gas outlet hole is formed in the end cover.
Further, a display module is embedded on the outer cylinder wall of the gas treatment cylinder.
Further, a switch button for controlling the opening and closing of the air pump is arranged on the handle.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
according to the utility model, the air pump can be started by single-hand handheld operation and by pressing the switch button on the handle, power is provided for air flow, the sampling port at the end part of the sampling tube can extend to a designated monitoring area according to the need, and the position and the angle can be flexibly adjusted according to different monitoring areas;
the monitored dust particle number is displayed in real time through the display module, so that the observation is convenient; dust particles in the air flow to the filter screen layer after being counted, the filter screen layer intercepts and filters the dust particles in the air, and the filtered clean air is discharged through the honeycomb air outlet holes, so that dust-free exhaust is realized, and the interference and damage of dust-containing air to a sterile environment are avoided.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the internal structure of the present utility model.
In the figure, a 1-counting cylinder, a 2-sampling tube, a 3-gas treatment cylinder, a 4-grip, a 5-storage battery mounting shell, a 6-light beam emitting component, a 7-storage battery, an 8-first lens, a 9-second lens, a 10-light beam receiving component, an 11-expansion head, a 12-end cover, a 13-gas pump, a 14-filter screen layer, a 15-gas outlet hole and a 16-display module.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2 together, the utility model provides a dust particle counting device, which comprises a counting barrel 1, wherein an air flow space penetrating through the counting barrel 1 is arranged in the counting barrel 1, one end of the counting barrel 1 is provided with a telescopic sampling pipe 2, the sampling pipe 2 is communicated with the inner cavity of the counting barrel 1, the other end of the counting barrel 1 is provided with a gas treatment barrel 3, the gas treatment barrel 3 is communicated with the inner cavity of the counting barrel 1, and the counting barrel 1, the sampling pipe 2 and the gas treatment barrel 3 are coaxially arranged.
The sampling pipe 2 is close to the one end of count section of thick bamboo 1 and is equipped with the head that expands 11, and the head that expands 11 adopts detachable connection with the tip of count section of thick bamboo 1, and detachable connection mode is threaded connection or grafting.
The sampling tube 2 is a telescopic tube, the length of the telescopic tube is adjustable, and a sampling port at the end part of the sampling tube 2 is convenient for sampling air in a closed narrow area.
The lateral part rigid coupling of count section of thick bamboo 1 has the handle 4 rather than perpendicular setting, and handle 4 inside is equipped with the cavity, and the cavity can be used for the transmission of light beam, and handle 4 is kept away from the one end of count section of thick bamboo 1 and is equipped with battery installation shell 5, battery installation shell 5 and handle 4 fixed connection, and both inner chamber are linked together.
A first lens 8 and a second lens 9 which are arranged in opposite directions are embedded in the counting barrel 1, the first lens 8 and the second lens 9 are arranged on two sides of an air flow space in the counting barrel 1, a light beam emitting part 6 is arranged on the side part of the first lens 8, and the light beam emitting part 6 is fixedly arranged in the joint of the handle 4 and the storage battery mounting shell 5; the side of the second lens 9 is provided with a light beam receiving member 10, and the light beam receiving member 10 is embedded in the counting barrel 1.
The air treatment cylinder 3 is internally provided with an air pump 13, an air suction port of the air pump 13 is communicated with the inner cavity of the counting cylinder 1, an air outlet of the air pump 13 is positioned in the air treatment cylinder 3, and the air pump 13 provides power for air flow.
The battery 7 is arranged in the battery mounting shell 5, the battery 7 is electrically connected with the air pump 13, and the battery 7 can provide a power source for the air pump 13.
The inside of the gas treatment cylinder 3 is also provided with a filter screen layer 14, the filter screen layer 14 is positioned at the gas outlet of the gas pump 13, and the filter screen layer 14 is used for intercepting dust particles in filtered air so as to realize dust-free exhaust.
The end part of the gas treatment cylinder 3 far away from the counting cylinder 1 is provided with a detachable end cover 12, the end cover 12 is provided with a honeycomb-shaped air outlet hole 15, the air outlet hole 15 is used for discharging clean air, and the end cover 12 is detachably connected, so that the filter screen layer 14 is convenient to maintain and replace.
The outer cylinder wall of the gas treatment cylinder 3 is embedded with a display module 16, and the display module 16 is convenient for displaying particle count data in real time.
The handle 4 is provided with a switch button for controlling the on-off of the air pump 13.
The specific working principle of the utility model is as follows:
when the single-hand-held grip 4 is used, the air pump 13 is started by pressing the switch button on the grip 4, the sampling port at the end part of the sampling tube 2 extends to a monitoring area, air in the monitoring area is sucked into the counting cylinder 1 by the sampling tube 2, the beam emitting part 6 emits detection laser when the air flows in the counting cylinder 1, the laser is condensed and projected by the first lens 8 to enable particles in the air to emit scattered light, the scattered light is condensed and projected by the second lens 9 to the beam receiving part 10 and generate a pulse signal, the pulse signal is output and amplified, and then digital signal processing is carried out, so that the dust particle number is obtained, and the particle number is displayed in real time by the display module 16, so that the observation is convenient; the dust particles in the air are counted and then flow to the filter screen layer 14, the filter screen layer 14 entraps and filters the dust particles in the air, and the filtered clean air is discharged through the honeycomb-shaped air outlet holes 15.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (10)
1. Dust particle counting assembly, its characterized in that: the device comprises a counting barrel (1), wherein an air flow space penetrating through the counting barrel (1) is formed in the counting barrel, a telescopic sampling tube (2) is arranged at one end of the counting barrel (1), a gas treatment barrel (3) is arranged at the other end of the counting barrel (1), and the counting barrel (1), the sampling tube (2) and the gas treatment barrel (3) are coaxially arranged;
the side part of the counting barrel (1) is fixedly connected with a handle (4) which is arranged vertically to the counting barrel, a hollow cavity is arranged in the handle (4), and a storage battery mounting shell (5) is arranged at one end of the handle (4) far away from the counting barrel (1); a first lens (8) and a second lens (9) which are arranged in opposite directions are embedded in the counting barrel (1), the first lens (8) and the second lens (9) are arranged on two sides of an air flow space in the counting barrel (1), a light beam emitting part (6) is arranged on the side part of the first lens (8), and a light beam receiving part (10) is arranged on the side part of the second lens (9);
an air pump (13) and a filter screen layer (14) are arranged in the air treatment cylinder (3), an air suction port of the air pump (13) is communicated with the inner cavity of the counting cylinder (1), and the filter screen layer (14) is positioned at an air outlet of the air pump (13).
2. The dust particle counting apparatus of claim 1, wherein: the sampling tube (2) is communicated with the inner cavity of the counting barrel (1), and the gas treatment barrel (3) is communicated with the inner cavity of the counting barrel (1).
3. The dust particle counting apparatus of claim 1, wherein: one end of the sampling tube (2) close to the counting barrel (1) is provided with an expanding head (11), and the expanding head (11) is in threaded connection or plug-in connection with the end part of the counting barrel (1).
4. A dust particle counting apparatus according to claim 3, wherein: the sampling tube (2) is a telescopic tube.
5. The dust particle counting apparatus of claim 1, wherein: the storage battery mounting shell (5) is fixedly connected with the handle (4), and the inner cavities of the storage battery mounting shell and the handle are communicated.
6. The dust particle counting apparatus of claim 1, wherein: the storage battery (7) is arranged in the storage battery mounting shell (5), and the storage battery (7) is electrically connected with the air pump (13).
7. The dust particle counting apparatus of claim 1, wherein: the light beam emitting component (6) is fixedly arranged in the joint of the handle (4) and the storage battery mounting shell (5); the light beam receiving component (10) is embedded in the counting barrel (1).
8. The dust particle counting apparatus of claim 1, wherein: the end part of the gas treatment cylinder (3) far away from the counting cylinder (1) is provided with a detachable end cover (12), and the end cover (12) is provided with a honeycomb-shaped gas outlet hole (15).
9. The dust particle counting apparatus of claim 1, wherein: the outer cylinder wall of the gas treatment cylinder (3) is embedded with a display module (16).
10. The dust particle counting apparatus of claim 1, wherein: the handle (4) is provided with a switch button for controlling the on-off of the air pump (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321646890.4U CN220063771U (en) | 2023-06-27 | 2023-06-27 | Dust particle counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321646890.4U CN220063771U (en) | 2023-06-27 | 2023-06-27 | Dust particle counting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063771U true CN220063771U (en) | 2023-11-21 |
Family
ID=88789142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321646890.4U Active CN220063771U (en) | 2023-06-27 | 2023-06-27 | Dust particle counting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063771U (en) |
-
2023
- 2023-06-27 CN CN202321646890.4U patent/CN220063771U/en active Active
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