CN216284825U - High temperature resistant type dust concentration sensor - Google Patents
High temperature resistant type dust concentration sensor Download PDFInfo
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- CN216284825U CN216284825U CN202122616332.0U CN202122616332U CN216284825U CN 216284825 U CN216284825 U CN 216284825U CN 202122616332 U CN202122616332 U CN 202122616332U CN 216284825 U CN216284825 U CN 216284825U
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Abstract
The utility model discloses a high-temperature-resistant dust concentration sensor which comprises a connector, a detection device and a case, wherein the bottom of the connector is connected with the detection device, the connector penetrates through the top surface of the case and is connected with a sampling port, an aviation plug and an air outlet are arranged on the side surface of the case, the air outlet is connected with one end of a straight threaded pipe, the other end of the straight threaded pipe is connected with an oil-water separator, and a high-pressure air inlet is connected to the oil-water separator. The utility model reduces the gap formed by the combination of the parts of the device by integrally manufacturing the detection device, so that the detection device has better air tightness, uses the all-metal pneumatic exhaust fan on the premise of meeting the flow condition, stabilizes the flow required by the detection device by using compressed air, and avoids the loss of high-temperature dust to the channel by using stainless steel metal in the whole channel.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a high-temperature-resistant dust concentration sensor.
Background
High temperature resistant type dust sensor is used for detecting dust concentration in the high temperature space, need use can high temperature resistant material on detection device's material selection to also adopt high temperature resistant type on the sensor components and parts that detect, handle the high-temperature gas who gathers and cause the loss to the motor on the demand of sampling flow.
The existing dust sensor has the problems of low air tightness and the like when in use, for example, the dust concentration sensor disclosed by the application number 200610097850.3 can not reduce the damage of high-temperature dust to a pipeline in use, and has low air tightness and the like.
Therefore, it is necessary to provide a high temperature resistant dust concentration sensor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-temperature-resistant dust concentration sensor, which aims to solve the problems that the detection device of the existing sensor in the prior art is not high in airtightness and cannot avoid the loss of high-temperature dust to a channel.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a high temperature resistant type dust concentration sensor, includes connector, detection device and quick-witted case, the connector bottom is connected with detection device, the connector runs through quick-witted roof face and is connected with the sample connection, machine case side is provided with aviation plug and air outlet, the air outlet is connected with straight screwed pipe one end, the straight screwed pipe other end is connected with oil water separator, the last high-pressure air inlet that is connected with of oil water separator for the gas drying of quick-witted incasement to and whole detection device's gas tightness is high.
Preferably, a rubber ring is mounted on the surface of the detection device, a lens seat is mounted on the rubber ring, the detection device is a cube, and the rubber ring is arranged at the center of the detection device, so that the laser beams are collected by the detection device and then displayed through a lens.
Preferably, the detection device is connected with a device front cover, the surface of the device front cover is connected with a circuit board cover, the device front cover is fixedly installed on the detection device through four screws, and light beams are concentrated through a lens on the detection device.
Preferably, the side surface of the detection device is respectively connected with a light-emitting tube cover and a light-receiving tube cover, and laser tubes arranged in the light-emitting tube cover and the light-receiving tube cover are used for fixedly emitting 650nm of point-like laser beams, so that the light beams on the lens are collected in a concentrated manner and then optical signals are converted into electric signals.
Preferably, the bottom of the detection device is connected with an air duct connecting pipe, and the bottom of the detection device is provided with a pipe orifice matched with the diameter of the air duct connecting pipe, so that air in the box body is dried.
Preferably, the bottom end of the air duct connecting pipe is connected with a reducing connection, the reducing connection is arranged on a pneumatic exhaust fan and is fixed to the bottom of the detection device inside the case through the air duct connecting pipe, and a closed air duct is formed.
Preferably, pneumatic air exhauster both ends are provided with No. two reducing connections, No. two reducing connections in-connection have a straight-through screwed pipe for the air drying in the box.
Preferably, the aviation plugs are arranged in two numbers, the two aviation plugs are horizontally distributed and arranged above the air outlet, and the air outlet is arranged at the bottom of the case, so that the flow of the sensor changes along with the adjustment of the gas pressure by a knob on the oil-water separator.
In the technical scheme, the utility model provides the following technical effects and advantages:
1. the detection device adopts a high-temperature-resistant glass fiber material in the selection of materials, and the material has the characteristics of high temperature resistance, non-combustion, corrosion resistance, heat insulation and good electrical insulation;
2. the detection device is made into an integral type and reduces the gap formed by combining the device parts, so that the detection device has better air tightness, the pneumatic exhaust fan of all metal is used on the condition of meeting the flow, the flow required by the detection device is stabilized by utilizing compressed air, and the stainless steel metal is used in the whole channel to avoid the loss of high-temperature dust to the channel.
Drawings
FIG. 1 is a schematic perspective view of a detecting device according to the present invention;
FIG. 2 is a schematic perspective view of a light receiving tube cover according to the present invention;
FIG. 3 is a schematic perspective view of an air duct connecting tube according to the present invention;
FIG. 4 is a schematic perspective view of the case of the present invention;
FIG. 5 is a schematic perspective view of the oil-water separator according to the present invention.
Description of reference numerals:
1. a connector; 2. a detection device; 3. a rubber ring; 4. a lens holder; 5. a device front cover; 6. a circuit board cover; 7. a light emitting tube cover; 8. a light receiving tube cover; 9. an air duct connecting pipe; 10. a first variable diameter connection; 11. a pneumatic exhaust fan; 12. the second diameter-variable connection; 13. straight-through threaded pipes; 14. a sampling port; 15. a chassis; 16. an aviation plug; 17. an air outlet; 18. an oil-water separator; 19. and a high-pressure air inlet.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides a high-temperature-resistant dust concentration sensor as shown in figures 1-5, which comprises a connector 1, a detection device 2 and a case 15, wherein the bottom of the connector 1 is connected with the detection device 2, the connector 1 penetrates through the top surface of the case 15 to be connected with a sampling port 14, an aviation plug 16 and an air outlet 17 are arranged on the side surface of the case 15, the air outlet 17 is connected with one end of a straight-through threaded pipe 13, the other end of the straight-through threaded pipe 13 is connected with an oil-water separator 18, and the oil-water separator 18 is connected with a high-pressure air inlet 19.
2 surface mounting of detection device has rubber ring 3, install lens seat 4 on the rubber ring 3, detection device 2 is the cube, rubber ring 3 sets up in detection device 2 center department, be connected with device protecgulum 5 on the detection device 2, 5 surface connections of device protecgulum have circuit board lid 6, device protecgulum 5 is through four screw fixed mounting on detection device 2, 2 sides of detection device are connected with luminescent tube lid 7 and receipts light pipe lid 8 respectively, the fixed punctiform laser beam who sends 650nm of laser pipe that sets up in luminescent tube lid 7 and receipts light pipe lid 8, 2 bottoms of detection device are connected with wind channel connecting pipe 9, 2 bottoms of detection device are provided with the mouth of pipe identical with wind channel connecting pipe 9 diameter.
The bottom end of the air duct connecting pipe 9 is connected with a reducing connection 10, the reducing connection 10 is installed on a pneumatic exhaust fan 11, two reducing connections 12 are arranged at two ends of the pneumatic exhaust fan 11, a straight-through threaded pipe 13 is connected in the two reducing connections 12, two aviation plugs 16 are arranged, the two aviation plugs 16 are horizontally distributed, the two aviation plugs 16 are arranged above the air outlet 17, and the air outlet 17 is arranged at the bottom of the case 15.
This practical theory of operation:
referring to the attached drawings 1-2 of the specification, when the device is used, firstly, the side edge of a detection device 2 is plugged into a luminotron and covered with a luminotron cover 7, the other edge of the detection device is covered with a luminotron cover 8, a rubber ring 3 is embedded into a ring groove on the front surface of the detection device 2, a lens seat 4 is fixed on the detection device 2, a convex lens is placed in the lens seat 4 to cover a front cover 5 of the device, and the top of the detection device 2 is provided with a connector 1 and fixed on a fixed frame in a case 15 to be screwed with a nut for fixing. An air outlet 17 at the top of the case 15 is fixed to the upper connector 1 of the detection device 2;
referring to the attached figures 3-5 of the specification, when the device is used, a first variable diameter connection 10 and a second variable diameter connection 12 are arranged at three ends of a pneumatic exhaust fan 11 and are fixed to the bottom of a detection device 2 in a case 15 through an air duct connecting pipe 9 to form a closed air duct;
a first variable diameter connection 10 and a second variable diameter connection 12 at two ends of a pneumatic exhaust fan 11 are fixed on a straight-through threaded pipe 13 through holes at two sides of a case, and are fixed at two sides of the case 15 by using nuts, and two aviation plugs 16 are arranged at the side edge of the case 15 for power supply and data transmission;
mounting the circuit board with the sensor element in a front cover 5 of the device for encapsulation treatment, covering a circuit board cover 6, and connecting a connecting wire on the circuit board and a connecting wire of an internal aviation plug 16 with a main circuit board;
before the gas detection device is finally installed and used, an oil-water separator 18 is additionally arranged on the left side of the machine box 15 to separate moisture in the high-pressure gas fed from the high-pressure inlet 19, so that the gas entering the detection device is dry;
the external compressed air is sent into a certain amount of air from a high-pressure air inlet 19 to start a pneumatic exhaust fan 11, the flow of the sensor is changed along with the adjustment of the air pressure by a knob on the oil-water separator 18, so that an air flow with a fixed flow is formed inside the detection device 2, dust to be detected is sucked into the detection device 2 from the sampling port 14, a laser beam irradiates the inside of a light receiving pipe through the detection device 2 (dust particles in dust-containing air flow) to be completely absorbed, the influence of the generated reflected light on the laser illumination intensity inside the detection device 2 is avoided, meanwhile, the reflected light generated by irradiating the laser beam on the detection device 2 (dust particles in dust-containing air flow) is absorbed by a light receiving component, the received reflected light is concentrated into a point-shaped light beam by a convex lens on the light receiving component, and the light signal processing is carried out by a sensor component circuit board, and converting the optical signal into an electric signal and amplifying the electric signal, connecting the amplified electric signal to a main circuit board through a shielding wire, and calculating the current dust concentration value through an internal chip and a software program.
Claims (8)
1. The utility model provides a high temperature resistant type dust concentration sensor, includes connector (1), detection device (2) and quick-witted case (15), its characterized in that: connector (1) bottom is connected with detection device (2), connector (1) runs through quick-witted case (15) top surface and is connected with sampling port (14), machine case (15) side is provided with aviation plug (16) and air outlet (17), air outlet (17) are connected with straight-through screwed pipe (13) one end, straight-through screwed pipe (13) other end is connected with oil water separator (18), be connected with high-pressure air inlet (19) on oil water separator (18).
2. A refractory dust concentration sensor as claimed in claim 1, wherein: the surface of the detection device (2) is provided with a rubber ring (3), the rubber ring (3) is provided with a lens seat (4), the detection device (2) is a cube, and the rubber ring (3) is arranged at the center of the detection device (2).
3. A refractory dust concentration sensor as claimed in claim 1, wherein: the device is characterized in that the detection device (2) is connected with a device front cover (5), the surface of the device front cover (5) is connected with a circuit board cover (6), and the device front cover (5) is fixedly installed on the detection device (2) through four screws.
4. A refractory dust concentration sensor as claimed in claim 1, wherein: the side surface of the detection device (2) is respectively connected with a light-emitting tube cover (7) and a light-receiving tube cover (8), and laser tubes arranged in the light-emitting tube cover (7) and the light-receiving tube cover (8) are fixed to emit 650nm of point-like laser beams.
5. A refractory dust concentration sensor as claimed in claim 1, wherein: the bottom of the detection device (2) is connected with an air duct connecting pipe (9), and the bottom of the detection device (2) is provided with a pipe orifice matched with the diameter of the air duct connecting pipe (9).
6. The high temperature resistant dust concentration sensor according to claim 5, wherein: the air duct connecting pipe (9) bottom is connected with reducing connection (10) No. one, reducing connection (10) is installed on pneumatic air exhauster (11).
7. The high temperature resistant dust concentration sensor according to claim 6, wherein: two ends of the pneumatic exhaust fan (11) are provided with a second reducing connection (12), and a straight-through threaded pipe (13) is connected in the second reducing connection (12).
8. A refractory dust concentration sensor as claimed in claim 1, wherein: the aircraft plug (16) is provided with two, two the aircraft plug (16) horizontal distribution, two the aircraft plug (16) sets up the top at air outlet (17), air outlet (17) set up in quick-witted case (15) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616332.0U CN216284825U (en) | 2021-10-28 | 2021-10-28 | High temperature resistant type dust concentration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616332.0U CN216284825U (en) | 2021-10-28 | 2021-10-28 | High temperature resistant type dust concentration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216284825U true CN216284825U (en) | 2022-04-12 |
Family
ID=81073334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122616332.0U Active CN216284825U (en) | 2021-10-28 | 2021-10-28 | High temperature resistant type dust concentration sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216284825U (en) |
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2021
- 2021-10-28 CN CN202122616332.0U patent/CN216284825U/en active Active
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