CN207923663U - A kind of dust particle detection sensor and the dust detector including the sensor - Google Patents
A kind of dust particle detection sensor and the dust detector including the sensor Download PDFInfo
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- CN207923663U CN207923663U CN201721922429.1U CN201721922429U CN207923663U CN 207923663 U CN207923663 U CN 207923663U CN 201721922429 U CN201721922429 U CN 201721922429U CN 207923663 U CN207923663 U CN 207923663U
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Abstract
The utility model discloses a kind of dust particle detection sensor and the dust detector including the sensor.A kind of dust particle detection sensor includes：Laser forms photosensitive detection zone for emitting laser light source in the irradiated region of laser light source；Photelectric receiver, the scattering light for receiving photosensitive detection zone；Air inlet pipe, for conveying gas to be detected to photosensitive detection zone；Escape pipe leaves photosensitive detection zone for conveying the gas after detecting；Protection pipe, protection pipe are sheathed on the outside of air inlet pipe, and for conveying clean protection gas, protection gas forms isolation gas curtain in gas outside to be detected, and the nozzle of air inlet pipe stretches out the nozzle of protection pipe.The utility model is equipped with protection pipe in the outside of air inlet pipe; protection pipe sprays protection gas, and protection gas forms isolation gas curtain in gas outside to be detected, and protection gas will be to be detected gas-insulated in photosensitive detection zone; it prevents it from being polluted to external component, extends the service life of sensor.
Description
Technical field
The utility model is related to detection fields, and in particular to a kind of dust particle detection sensor and including the sensor
Dust detector.
Background technology
Currently, the application of dust detector has spread a variety of necks such as pharmacy, electronics, health care, optics and surface spraying
Domain can detect the particle dust amount in a certain ambient zone air by dust detector.
Wherein, dust particle detection sensor is a critical elements in dust particle detection sensor, to detect
The size and number of dust particle.
In the prior art, air stream directly flows through photosensitive detection zone, can cause dirt to the component around photosensitive detection zone
Dye, it is not easy to clean.After long-time, accuracy of detection is influenced.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of dust particle detection sensor and including the biography
The dust detector of sensor.
In order to achieve the above object, the technical solution of the utility model is as follows：
A kind of dust particle detection sensor, including：
Laser forms photosensitive detection zone for emitting laser light source in the irradiated region of laser light source；
Photelectric receiver is set to the outside of photosensitive detection zone, the scattering light for receiving photosensitive detection zone；
Air inlet pipe is set in the vertical direction of photosensitive detection zone, for conveying gas to be detected to photosensitive detection zone；
Escape pipe is symmetrical arranged with air inlet pipe, and photosensitive detection zone is left for conveying the gas after detecting；
Protection pipe, protection pipe are sheathed on the outside of air inlet pipe, and for conveying clean protection gas, protection gas is in gas to be detected
External side forms isolation gas curtain, and the nozzle of air inlet pipe stretches out the nozzle of protection pipe.
A kind of dust particle detection sensor of the utility model is equipped with protection pipe in the outside of air inlet pipe, and protection pipe, which sprays, protects
Gas is protected, protection gas forms isolation gas curtain in gas outside to be detected, and protection gas will be to be detected gas-insulated in photosensitive detection zone
It is detected, prevents it from being polluted to external component, extend the service life of sensor.
Based on the above technical solution, following improvement can also be done：
As a preferred option, the flow velocity of the protection gas conveyed in protection pipe is more than the gas to be detected conveyed in air inlet pipe
Flow velocity.
Using the above preferred scheme, protection gas can more effectively completely cut off the gas to be detected of inside.
As a preferred option, the bore of gas outlet is not less than the bore of protection pipe.
Using the above preferred scheme, ensure that gas does not leak.
A kind of dust detector, including：Dust particle detection sensor, the opto-electronic conversion being electrically connected with photelectric receiver dress
The central processing unit set and be electrically connected with photoelectric conversion device.
A kind of dust detector of the utility model can effectively carry out dust detection, and service life is long, and detection is more accurate.
As a preferred option, further include：First filter device, the first filter device are set to the air inlet of air inlet pipe,
Coarse filtration is carried out for treating detection gas, filters out the bulky grain dust in gas to be detected.
Using the above preferred scheme, detection gas are treated and realize coarse filtration, ensure that the detection for treating detection gas is more smart
Standard, and after the first filter device filters out the bulky grain dust in gas to be detected, gas to be detected photosensitive detection zone less
External component can be polluted, and the deposition of bulky grain will not be caused.
As a preferred option, further include：Second filter device, the second filter device are set to the gas outlet of escape pipe,
For the gas after detection carefully to be filtered together with protection gas.
Using the above preferred scheme, carrying out thin filtered gas using the second filter device can be with direct emission in sky
In gas, it will not pollute.
As a preferred option, Weighing device, Weighing device are equipped on the filter screen of the second filter device
It is electrically connected with central processing unit, Weighing device is used to record the weight of dust particle in a certain period of time.
Using the above preferred scheme, the weight of the dust particle contained in unit gas to be detected can be effectively recorded,
It is convenient for the analysis in later stage.
As a preferred option, further include：Blowback cleaning device, blowback cleaning device are set to the gas outlet of escape pipe
Place carries out blowback cleaning for spraying gas to escape pipe and air inlet pipe.
Using the above preferred scheme, it is convenient for carrying out purge to escape pipe and air inlet pipe.
As a preferred option, the shield being rotatablely connected with it is equipped in the end of protection pipe, shield includes：Occlusion part,
Extension and interconnecting piece, occlusion part are used to block the nozzle of protection pipe, extension along air inlet pipe pipe from outer wall to air inlet pipe
Mouth direction extends, the end wall detachable connection of interconnecting piece and air inlet pipe nozzle.
Using the above preferred scheme, during purge, shield covers the nozzle of protection pipe, prevents
Pollutant in escape pipe enters protection pipe, pollutes protection pipe.
As a preferred option, escape pipe is sequentially connected with lifting gear, and lifting gear is for driving escape pipe to be risen
Drop.
Using the above preferred scheme, when needing to eat gas cleaning, escape pipe rises, close to air inlet pipe, purge effect
Fruit is more preferably.The photosensitive detection zones of a
Description of the drawings
Fig. 1 is the structural schematic diagram for the dust particle detection sensor that the utility model embodiment provides.
Fig. 2 is one of the structural schematic diagram of dust detector that the utility model embodiment provides.
Fig. 3 is the structural schematic diagram for the shield that the utility model embodiment provides.
Fig. 4 is one of the structural schematic diagram of dust detector that the utility model embodiment provides.
Wherein：1, laser, 2, photelectric receiver, 3, air inlet pipe, 4, escape pipe, 5, protection pipe, the 6, first filter device,
7, the second filter device, 8, blowback cleaning device, 9, shield, 91, occlusion part, 92, extension, 93, interconnecting piece, 10, strong blow
Pump, 11, weak blower pump, 12, outer gas blow pipe, 13, interior gas blow pipe；A, photosensitive detection zone.
Specific implementation mode
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
In order to reach the purpose of this utility model, a kind of dust particle detection sensor and the dust inspection including the sensor
It surveys in some of embodiments of instrument,
As shown in Figure 1, a kind of dust particle detection sensor includes：
Laser 1 forms photosensitive detection zone a for emitting laser light source in the irradiated region of laser light source；
Photelectric receiver 2 is set to the outside of photosensitive detection zone a, the scattering light for receiving photosensitive detection zone a；
Air inlet pipe 3 is set in the vertical direction of photosensitive detection zone a, for conveying gas to be detected to photosensitive detection zone
a；
Escape pipe 4 is symmetrical arranged with air inlet pipe 3, is set in the vertical direction of photosensitive detection zone a, for conveying detection
Gas afterwards leaves photosensitive detection zone a；
Protection pipe 5, protection pipe 5 are sheathed on the outside of air inlet pipe 3, and for conveying clean protection gas, protection gas is to be checked
It surveys gas outside and forms isolation gas curtain, and the nozzle of air inlet pipe 3 stretches out the nozzle of protection pipe 5.
As shown in Fig. 2, a kind of dust detector, including：Dust particle detection sensor is electrically connected with photelectric receiver 2
Photoelectric conversion device and the central processing unit that is electrically connected with photoelectric conversion device.
A kind of dust particle detection sensor of the utility model is equipped with protection pipe 5 in the outside of air inlet pipe 3, and protection pipe 5 is sprayed
Go out and protect gas, protection gas forms isolation gas curtain in gas outside to be detected, and protection gas will be to be detected gas-insulated in photosensitive detection
It is detected in area a, prevents it from being polluted to external component, extend the service life of sensor.
A kind of dust detector of the utility model can effectively carry out dust detection, and service life is long, and detection is more accurate.
In order to further optimize a kind of implementation result of dust particle detection sensor of the utility model, in other
In embodiment, remaining feature technology is identical, the difference is that, the flow velocity of the protection gas conveyed in protection pipe 5 is more than air inlet
The flow velocity of the gas to be detected conveyed in pipe 3.
Using the above preferred scheme, protection gas can more effectively completely cut off the gas to be detected of inside.
In order to further optimize a kind of implementation result of dust particle detection sensor of the utility model, in other
In embodiment, remaining feature technology is identical, the difference is that, the bore of escape pipe 4 is not less than the bore of protection pipe 5.
Using the above preferred scheme, ensure that gas does not leak.
In order to further optimize a kind of implementation result of dust detector of the utility model, in other embodiment
In, remaining feature technology is identical, the difference is that, further include：First filter device 6, the first filter device 6 are set to air inlet
The air inlet of pipe 3 carries out coarse filtration for treating detection gas, filters out the bulky grain dust in gas to be detected.
Using the above preferred scheme, detection gas are treated and realize coarse filtration, ensure that the detection for treating detection gas is more smart
Standard, and after the first filter device 6 filters out the bulky grain dust in gas to be detected, gas to be detected photosensitive detection zone a more
External component will not be polluted, and the deposition of bulky grain will not be caused.
In order to further optimize a kind of implementation result of dust detector of the utility model, in other embodiment
In, remaining feature technology is identical, the difference is that, further include：Second filter device 7, the second filter device 7 are set to outlet
The gas outlet of pipe 4, for carefully being filtered the gas after detection together with protection gas.
Using the above preferred scheme, using the second filter device 7 carry out thin filtered gas can with direct emission in
In air, it will not pollute.
Further, Weighing device, Weighing device and centre are equipped on the filter screen of the second filter device 7
Device electrical connection is managed, Weighing device is used to record the weight of dust particle in a certain period of time.
Using the above preferred scheme, the weight of the dust particle contained in unit gas to be detected can be effectively recorded,
It is convenient for the analysis in later stage.
In order to further optimize a kind of implementation result of dust detector of the utility model, in other embodiment
In, remaining feature technology is identical, the difference is that, further include：Blowback cleaning device 8, blowback cleaning device 8 are set to outlet
At the gas outlet of pipe 4, blowback cleaning is carried out to escape pipe 4 and air inlet pipe 3 for spraying gas.
Using the above preferred scheme, it is convenient for carrying out purge to escape pipe 4 and air inlet pipe 3.
As shown in figure 3, further, the shield 9 being rotatablely connected with it is equipped in the end of protection pipe 5, shield 9 includes：It hides
Stopper 91, extension 92 and interconnecting piece 93, occlusion part 91 are used to block the nozzle of protection pipe 5, and extension 92 is along air inlet pipe 3
Outer wall extends to the nozzle direction of air inlet pipe 3, the end wall detachable connection of interconnecting piece 93 and 3 nozzle of air inlet pipe.
Using the above preferred scheme, during purge, shield 9 covers the nozzle of protection pipe 5, prevents
Only the pollutant in escape pipe 4 enters protection pipe 5, pollutes protection pipe 5.
Further, escape pipe 4 is sequentially connected with lifting gear, and lifting gear is for driving escape pipe 4 to be lifted.
Using the above preferred scheme, when needing to eat gas cleaning, escape pipe 4 rises, close to air inlet pipe 3, purge
It is better.
As shown in figure 4, further, purge device includes：Strong blower pump 10, weak blower pump 11 and outer gas blow pipe 12
With interior gas blow pipe 13, outer gas blow pipe 12 is sheathed on the outside of interior gas blow pipe 13, and 11 inside gas blow pipe of weak blower pump, 13 wind drift speed
Weaker gas, the stronger gas of 10 outside gas blow pipe of strong blower pump, 12 wind drift speed；
Outer gas blow pipe 12 and interior gas blow pipe 13 form gassing pipe, and gassing pipe and escape pipe 4 connect, the mouth of gassing pipe
Diameter is identical with the bore of escape pipe 4, carries out aeration cleaning, cleaning effect is more preferably.
For preferred embodiments of the present invention, it is noted that for those of ordinary skill in the art,
Under the premise of not departing from the concept of the present invention, various modifications and improvements can be made, it is new that these belong to this practicality
The protection domain of type.
Claims (10)
1. a kind of dust particle detection sensor, including：
Laser forms photosensitive detection zone for emitting laser light source in the irradiated region of the laser light source；
Photelectric receiver is set to the outside of the photosensitive detection zone, the scattering light for receiving the photosensitive detection zone；
Air inlet pipe is set in the vertical direction of the photosensitive detection zone, for conveying gas to be detected to the photosensitive detection
Area；
Escape pipe is symmetrical arranged with the air inlet pipe, and the photosensitive detection zone is left for conveying the gas after detecting；
It is characterized in that, further including：
Protection pipe, the protection pipe are sheathed on the outside of the air inlet pipe, and for conveying clean protection gas, the protection gas exists
The gas outside to be detected forms isolation gas curtain, and the nozzle of the air inlet pipe stretches out the nozzle of the protection pipe.
2. dust particle detection sensor according to claim 1, which is characterized in that the protection conveyed in the protection pipe
The flow velocity of gas is more than the flow velocity of the gas to be detected conveyed in the air inlet pipe.
3. dust particle detection sensor according to claim 1 or 2, which is characterized in that the bore of the escape pipe is not
Less than the bore of the protection pipe.
4. a kind of dust detector, which is characterized in that including：Dust particle detection as described in any one of claims 1-3 passes
Sensor, the photoelectric conversion device being electrically connected with photelectric receiver and the central processing being electrically connected with photoelectric conversion device dress
It sets.
5. dust detector according to claim 4, which is characterized in that further include：First filter device, first mistake
Filter device is set to the air inlet of the air inlet pipe, carries out coarse filtration for treating detection gas, filters out in gas to be detected
Bulky grain dust.
6. dust detector according to claim 5, which is characterized in that further include：Second filter device, second mistake
Filter device is set to the gas outlet of the escape pipe, for carefully being filtered the gas after detection together with protection gas.
7. dust detector according to claim 6, which is characterized in that set on the filter screen of second filter device
There are Weighing device, the Weighing device to be electrically connected with the central processing unit, the Weighing device is used for
Record the weight of dust particle in a certain period of time.
8. according to claim 4-7 any one of them dust detectors, which is characterized in that further include：Blowback cleaning device, institute
It states blowback cleaning device to be set at the gas outlet of the escape pipe, the escape pipe and air inlet pipe is carried out for spraying gas
Blowback is cleaned.
9. dust detector according to claim 8, which is characterized in that be equipped in the end of the protection pipe and rotated with it
The shield of connection, the shield include：Occlusion part, extension and interconnecting piece, the occlusion part is for blocking the protection pipe
Nozzle, the extension along the air inlet pipe outer wall to the nozzle direction of air inlet pipe extend, the interconnecting piece with it is described into
The end wall detachable connection of tracheae nozzle.
10. dust detector according to claim 9, which is characterized in that the escape pipe is sequentially connected with lifting gear,
The lifting gear is for driving the escape pipe to be lifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922429.1U CN207923663U (en) | 2017-12-31 | 2017-12-31 | A kind of dust particle detection sensor and the dust detector including the sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922429.1U CN207923663U (en) | 2017-12-31 | 2017-12-31 | A kind of dust particle detection sensor and the dust detector including the sensor |
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| Publication Number | Publication Date |
|---|---|
| CN207923663U true CN207923663U (en) | 2018-09-28 |
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ID=63616808
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721922429.1U Active CN207923663U (en) | 2017-12-31 | 2017-12-31 | A kind of dust particle detection sensor and the dust detector including the sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966389A (en) * | 2017-12-31 | 2018-04-27 | 苏州铁树医药设备有限公司 | A kind of dust particle detection sensor and the dust detector including the sensor |
-
2017
- 2017-12-31 CN CN201721922429.1U patent/CN207923663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966389A (en) * | 2017-12-31 | 2018-04-27 | 苏州铁树医药设备有限公司 | A kind of dust particle detection sensor and the dust detector including the sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.18 workshop, Loufeng Venture Capital Industrial Park, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Hongtai Medical Instrument Co.,Ltd. Address before: 215000 No.18 workshop, Loufeng Venture Capital Industrial Park, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU TIESHU MEDICAL EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |