CN115561398A - Industrial SO (SO) resistance 2 Corrosive nitrogen oxygen sensor - Google Patents

Industrial SO (SO) resistance 2 Corrosive nitrogen oxygen sensor Download PDF

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CN115561398A
CN115561398A CN202211156478.4A CN202211156478A CN115561398A CN 115561398 A CN115561398 A CN 115561398A CN 202211156478 A CN202211156478 A CN 202211156478A CN 115561398 A CN115561398 A CN 115561398A
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plate
oxygen sensor
industrial
fixed
fixed pipe
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CN115561398B (en
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马晨
黄睿
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Beijing Cepck Measurement & Control Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037NOx
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011Sample conditioning
    • G01N33/0014Sample conditioning by eliminating a gas

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
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  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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Abstract

The invention belongs to the technical field of nitrogen-oxygen sensors, and particularly relates to an industrial anti-so 2 corrosion nitrogen-oxygen sensor which comprises a nitrogen-oxygen sensor, wherein a detection head is installed at the front end of the nitrogen-oxygen sensor, a fixed pipe is fixedly arranged below the nitrogen-oxygen sensor, connecting blocks are installed on the left side and the right side of the fixed pipe in a threaded manner, a connecting block is fixedly installed at the top of the detection head, a semicircular cylinder is fixedly connected to the front end of the connecting block, an active carbon filter plate is fixedly connected to the front end of the semicircular cylinder, an exhaust pipe is arranged on the rear side of the active carbon filter plate, an overlap plate is fixedly installed on the inner side of the semicircular cylinder, a movable plate is slidably installed inside the overlap plate, and the movable plate is connected with the overlap plate through a memory alloy spring; the device can be when the high temperature automatic shutdown detection work, and the device only detects partial gas moreover, avoids taking place to block up when detecting when guaranteeing the security when detecting.

Description

Industrial SO (SO) resistance 2 Corrosive nitrogen oxygen sensor
Technical Field
The invention relates to the technical field of nitrogen-oxygen sensors, in particular to an industrial so2 corrosion-resistant nitrogen-oxygen sensor.
Background
In order to reduce the environmental pollution caused by harmful gases of automobiles, the pollution degree of gas emission is not too high, so that detection equipment is required, a nitrogen-oxygen sensor is used for detecting the gas pollution degree, whether the tail gas exceeds the standard or not is judged by detecting the concentration of oxynitride in the tail gas, and the existing nitrogen-oxygen sensor has some defects when in use;
the existing nitrogen-oxygen sensor can not automatically stop detection when the temperature is too high and detect the nitrogen-oxygen sensor after the temperature is reduced, so that the safety is insufficient; and current nitrogen oxygen sensor is when using, can not utilize the filter plate to carry out the water conservancy diversion to the air and make the device only carry out oxynitride content testing work to partial gas, and current nitrogen oxygen sensor directly arranges in the tail gas discharge port when using and uses, takes place to block up easily.
Disclosure of Invention
The present invention has been made in view of the problems occurring in the conventional nitroxide sensors.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions: the utility model provides an anti so2 corroded nitrogen oxygen sensor of industry, includes nitrogen oxygen sensor, nitrogen oxygen sensor's front end is installed and is detected the head, and nitrogen oxygen sensor's the fixed pipe that is provided with in below, the equal threaded mounting in the left and right sides of fixed pipe has the connecting block, the top fixed mounting who detects the head has a linking piece, the front end fixedly connected with semicircle tube that links up the piece, the front end fixedly connected with active carbon filter plate of semicircle tube, the rear side of active carbon filter plate is provided with the blast pipe, the inboard fixed mounting of semicircle tube has the overlap joint board, the inside slidable mounting of overlap joint board has the fly leaf, the fly leaf links to each other with the overlap joint board through the memory alloy spring.
As a preferable embodiment of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the invention, wherein: the axis of fixed pipe and the axis collineation of fixed pipe, the material of fixed pipe is the aerogel material.
As a preferable embodiment of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the invention, wherein: the butt joint groove has been seted up to the side equidistance of fixed pipe, and the fixed surface of fixed pipe installs the fixed plate, the position of fixed plate corresponds mutually with the position of connecting block, the front end fixedly connected with pressure spring of fixed plate, the front end fixedly connected with slide of pressure spring, the outer wall of slide front end portion and the inner wall in butt joint groove laminate mutually, the spout that is used for the slide to remove is seted up on the surface of fixed pipe.
As a preferable embodiment of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the invention, wherein: the front end of connecting block rotates installs and compresses tightly the pad, and the connecting block is in the equidistant distribution of the left and right sides of fixed pipe, and the connecting block constitutes the compact structure to the blast pipe with compressing tightly the pad.
As a preferable embodiment of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the invention, wherein: the top fixedly connected with extension rod of slide, the top fixed mounting of extension rod has the overlap joint pole, and the extension rod is at the equidistant distribution in the below of overlap joint pole, slide, extension rod and overlap joint pole formula structure as an organic whole.
As a preferable aspect of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the present invention, wherein: the sliding plate is of an elastic structure formed between the pressure spring and the fixing plate, and the connecting block is of a clamping structure formed between the butt joint groove and the sliding plate and the fixing pipe.
As a preferable embodiment of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the invention, wherein: the lapping plate is the slope form, and the activity groove that is used for the fly leaf to remove is offered to the inside of lapping plate the latter half, the inner wall in activity groove is laminated mutually with the outer wall of fly leaf, and the centre of lapping plate is provided with the opening.
As a preferable aspect of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the present invention, wherein: the heat-conducting plate is fixedly installed on the rear side of the lap joint plate, the position of the heat-conducting plate corresponds to that of the memory alloy spring, and the front surface of the middle part of the active carbon filter plate is inclined.
As a preferable aspect of the industrial so2 corrosion-resistant nitrogen-oxygen sensor of the present invention, wherein: the movable plate forms a telescopic structure with the lapping plate through the heat conducting plate and the memory alloy spring, and a through hole is formed in the lower half portion of the movable plate.
Compared with the prior art, the invention has the beneficial effects that:
1. through the fixed pipe of the aerogel material that sets up, make the device can avoid the heat to transmit to the nitrogen oxygen sensor excessively, promoted the device and used and make the volume security, and can be when the high temperature, the heat transmits to the memory alloy spring through the heat-conducting plate and makes the shrink of memory alloy spring, thereby make the device when the temperature risees, make the inside that the through-hole automatic shrink advances the movable groove, thereby seal the opening, make the device can automatic stop the detection when the high temperature, the security when the device used has been promoted, and after the temperature reduces, make memory alloy spring automatic re-setting, and then make through-hole and opening communicate once more, make the device can detect again after the temperature descends, the defect that current nitrogen oxygen sensor can not automatic stop the detection when the high temperature and continue to detect after the temperature reduces has been solved, the device has the advantage that more convenient to use.
2. The overlap joint board of slope form and the active carbon filter plate that the surface is the slope form on the device, utilize the active carbon filter plate, make the device not only can purify and filter so2 gas, and can also lead to the air current, make the device can be when exhausting, make the inclined plane of a small amount of gas through the active carbon filter plate blown to the inside of through-hole, thereby detect the work through the measuring head to oxynitride's content, the device only detects partial tail gas when using, compare in directly arranging the measuring head in the mouth of pipe, the device is safer when using, the device can utilize the filter plate to carry out the water conservancy diversion to the air, make the device only carry out oxynitride content detection work to partial gas, be difficult to take place the jam.
3. Through the connecting block of fixed pipe left and right sides symmetric distribution, cooperation slide and pressure spring for connecting block on the device can keep fixed after precession, makes the device can adapt to not unidimensional blast pipe and stabilize fixedly and compress tightly, has promoted the application scope of device, and the device can not lead to the connecting block not hard up because of blast pipe vibration when exhausting, has the advantage that stability is stronger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts. Wherein:
FIG. 1 is a schematic diagram of the overall structure of an industrial so2 corrosion-resistant nitrogen-oxygen sensor of the present invention;
FIG. 2 is a schematic diagram of the structure at A in FIG. 1 of an industrial so2 corrosion resistant NOx sensor of the present invention;
FIG. 3 is a schematic view of the connection structure of the industrial SO2 corrosion-resistant NI sensor connection block and the compression pad of the present invention;
FIG. 4 is a schematic view of the connection structure of the semi-cylinder and the activated carbon filter plate of the industrial anti-so 2 corrosion nitrogen-oxygen sensor of the invention;
FIG. 5 is a schematic diagram of the overall structure of an industrial so2 corrosion-resistant NI sensor connection block of the present invention;
FIG. 6 is a schematic view of the connecting structure of the semi-cylinder and the lapping plate of the industrial SO2 corrosion-resistant nitrogen-oxygen sensor of the present invention;
FIG. 7 is a schematic diagram of the structure at B in FIG. 6 of an industrial so2 corrosion resistant NOx sensor of the present invention.
Reference numbers in the figures: 1. a nitrogen-oxygen sensor; 2. a detection head; 3. a fixed tube; 4. connecting blocks; 5. a butt joint groove; 6. a fixing plate; 7. a pressure spring; 8. a slide plate; 9. a chute; 10. an extension rod; 11. a lap joint rod; 12. A compression pad; 13. a joining block; 14. a semi-cylinder; 15. an active carbon filter plate; 16. a lap plate; 17. an opening; 18. a movable plate; 19. a movable groove; 20. a memory alloy spring; 21. an exhaust pipe; 22. a heat conducting plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Examples
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in figures 1-7, an industrial anti-so 2 corrosion nitrogen oxygen sensor comprises a nitrogen oxygen sensor 1, a detection head 2 is installed at the front end of the nitrogen oxygen sensor 1, a fixed pipe 3 is fixedly arranged below the nitrogen oxygen sensor 1, connecting blocks 4 are installed on the left side and the right side of the fixed pipe 3 in a threaded manner, a connecting block 13 is fixedly installed at the top of the detection head 2, a semi-cylinder 14 is fixedly connected to the front end of the connecting block 13, an activated carbon filter plate 15 is fixedly connected to the front end of the semi-cylinder 14, so that so2 gas is purified and filtered by the activated carbon filter plate 15, when the gas impacts the surface of the activated carbon filter plate 15, part of the gas can be rebounded to the position of the detection head 2, so that the device only detects part of tail gas, and can guide tail gas flow, compare in detecting whole tail gas, the device takes place the probability of jam lower, the rear side of activated carbon filter plate 15 is provided with blast pipe 21, connecting block 4 through the screw thread installation, make fixed pipe 3 can stably compress tightly blast pipe 21, thereby make the device can adapt to not unidimensional blast pipe 21 and stably compress tightly and fix, the stability of device has been promoted, the inboard fixed mounting of semicircle barrel 14 has overlap plate 16, the inside slidable mounting of overlap plate 16 has movable plate 18, movable plate 18 passes through memory alloy spring 20 and links to each other with overlap plate 16, utilize memory alloy spring 20, make the device automatic contraction when the high temperature, thereby make movable plate 18 shrink, make the device can automatic shutdown work when the high temperature, the security when the device uses has been promoted.
In this example, the axis of fixed pipe 3 and the axis collineation of fixed pipe 3, the material of fixed pipe 3 is the aerogel material, and the fixed pipe 3 of aerogel material can promote the heat-proof quality of fixed pipe 3 to guarantee that the device can not receive the high temperature when using and influence, promoted the accuracy that the device detected oxynitrides.
In this example, butt joint groove 5 has been seted up to fixed pipe 3's side equidistance, fixed pipe 3's fixed surface installs fixed plate 6, the position of fixed plate 6 corresponds mutually with the position of connecting block 4, the front end fixedly connected with pressure spring 7 of fixed plate 6, the front end fixedly connected with slide 8 of pressure spring 7, the outer wall of slide 8 front end portion is laminated mutually with the inner wall that docks groove 5, spout 9 that is used for slide 8 to remove is offered on fixed pipe 3's surface, support slide 8 through pressure spring 7 on the device, advance in the butt joint groove 5 in the fixed pipe 3 through slide 8 card, make connecting block 4 can keep the stationary state from russian, and then guarantee device's stability.
In this example, the front end of connecting block 4 is rotated and is installed and compress tightly pad 12, connecting block 4 is in the equidistant distribution of the left and right sides of fixed pipe 3, connecting block 4 constitutes the compact structure to blast pipe 21 with compressing tightly pad 12, utilize compact structure, make the device accessible precession or screw-out connecting block 4 make the device can compress tightly and fix not unidimensional blast pipe 21, the application scope of device has been promoted, rotate the in-process that compresses tightly pad 12 of installation makes the device can be at precession connecting block 4, guarantee to compress tightly pad 12 and can not continue to rotate, guarantee to compress tightly the effect.
In this example, the top fixedly connected with extension rod 10 of slide 8, the top fixed mounting of extension rod 10 has overlap joint pole 11, and extension rod 10 is in the equidistant distribution of overlap joint pole 11's below, and slide 8, extension rod 10 and 11 formula structures as an organic whole of overlap joint pole utilize overlap joint pole 11 for the device can be adjusted the slide 8 of a plurality of positions simultaneously, has promoted the convenience when device uses.
In this example, slide 8 passes through to constitute elastic construction between pressure spring 7 and the fixed plate 6, and connecting block 4 constitutes the block structure through between butt joint groove 5 and slide 8 and the fixed pipe 3, through the block structure on the device for connecting block 4 can keep fixed after rotatory, makes the device can adjust and fix the precession degree of connecting block 4, compresses tightly and fixes with the stomach tube that adapts to not unidimensional.
In this example, the bridging plate 16 is the slope form, and the activity groove 19 that is used for movable plate 18 to remove is offered to the inside of bridging plate 16 the latter half, and the inner wall of activity groove 19 is laminated mutually with the outer wall of movable plate 18, and the centre of bridging plate 16 is provided with opening 17, and activity groove 19 guarantees that movable plate 18 can stably reciprocate, and the bridging plate 16 of slope makes things convenient for follow-up to lead to the air current.
In this example, the rear side fixed mounting of bridging plate 16 has heat-conducting plate 22, the position of heat-conducting plate 22 corresponds to memory alloy spring 20's position each other, the partial front surface in activated carbon filter plate 15 middle part is the slope form, the activated carbon filter plate 15 of slope form makes on a small number of gas can be by the water conservancy diversion to heat-conducting plate 22, so as to heat memory alloy spring 20, when the high temperature, memory alloy spring 20 can contract, make the device can self-sealing when the high temperature, stop the detection work, avoid the high temperature to lead to the check out test set to damage.
In this example, the movable plate 18 forms a telescopic structure through the heat conducting plate 22 and the memory alloy spring 20, and the lapping plate 16, and the lower half portion of the movable plate 18 is provided with a through hole, so that the movable plate 18 can close the through hole when the memory alloy spring 20 moves downwards when being heated, thereby stopping detection, and when the temperature is reduced, the memory alloy spring 20 automatically resets, thereby opening the through hole and detecting again.
It should be noted that, the present invention is an industrial so2 corrosion-resistant nox sensor, first, as shown in fig. 1-fig. 3 and fig. 5, when the device is used, the nox sensor 1 is stably mounted on the surface of the exhaust pipe 21 through the fixing pipe 3, then the activated carbon filter plate 15 is fixed at the front end of the exhaust pipe 21 through the bolt, then the slide plate 8 is moved leftwards by pulling the extension rod 10 and the bridging rod 11, the compression spring 7 fixed on the surface of the fixing plate 6 is compressed, at this time, the connection block 4 is screwed into each position, so that the front end of the connection block 4 can compress the exhaust pipe 21 through the compression pad 12, then the extension rod 10 is released, the front end of the slide plate 8 is clamped into the butt-joint groove 5 at the corresponding position under the action of the compression spring 7, the fixing work of the connection block 4 is completed, so that the device can compress and fix the exhaust pipes 21 with different sizes;
as shown in fig. 1, 4, 6 and 7, the device can detect the oxynitride content by the surface of the inclined activated carbon filter plate 15 and the inclined lapping plate 16, so that the air flow can extend in the direction of the arrow in fig. 6 to heat the heat conducting plate 22, and the air flow can flow out through the through hole of the movable plate 18, so that the device can detect the oxynitride content of the gas by the detecting head 2 corresponding to the position of the lapping plate 16, and at the same time, part of the air flow can contact the heat conducting plate 22, and when the temperature is too high, the heat conducting plate 22 transfers the heat to the memory alloy spring 20 in the movable groove 19, the memory alloy spring 20 contracts, the movable plate 18 moves to the inside of the movable groove 19, and the through hole in the middle of the movable plate 18 is in a closed state, so that the device automatically stops the detection when the temperature is too high.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (9)

1. The utility model provides an anti so2 corrosive nitrogen oxygen sensor of industry, includes nitrogen oxygen sensor (1), detection head (2), its characterized in that are installed to the front end of nitrogen oxygen sensor (1): fixed being provided with fixed pipe (3) in the below of nitrogen oxygen sensor (1), the equal threaded mounting in the left and right sides of fixed pipe (3) has connecting block (4), the top fixed mounting who detects head (2) has a linking piece (13), the front end fixedly connected with semicircle tube (14) of linking piece (13), the front end fixedly connected with active carbon filter plate (15) of semicircle tube (14), the rear side of active carbon filter plate (15) are provided with blast pipe (21), the inboard fixed mounting of semicircle tube (14) has overlap joint plate (16), the inside slidable mounting of overlap joint plate (16) has fly leaf (18), fly leaf (18) link to each other with overlap joint plate (16) through memory alloy spring (20).
2. The industrial so2 corrosion-resistant nitrogen-oxygen sensor of claim 1, wherein: the axis of fixed pipe (3) and the axis collineation of fixed pipe (3), the material of fixed pipe (3) is the aerogel material.
3. The industrial so2 corrosion resistant nitroxide sensor of claim 2, wherein: butt joint groove (5) have been seted up to the side equidistance of fixed pipe (3), and the fixed surface of fixed pipe (3) installs fixed plate (6), the position of fixed plate (6) corresponds mutually with the position of connecting block (4), the front end fixedly connected with pressure spring (7) of fixed plate (6), the front end fixedly connected with slide (8) of pressure spring (7), the outer wall of slide (8) front end portion laminates with the inner wall of butt joint groove (5) mutually, spout (9) that are used for slide (8) to remove are seted up on the surface of fixed pipe (3).
4. The industrial so2 corrosion resistant nitroxide sensor of claim 3, wherein: the front end of connecting block (4) is rotated and is installed and compress tightly pad (12), and connecting block (4) are at the left and right sides of fixed pipe (3) equidistant distribution, and connecting block (4) and compress tightly pad (12) constitute the compact structure to blast pipe (21).
5. The industrial so2 corrosion resistant nitroxide sensor of claim 3, wherein: the top fixedly connected with extension rod (10) of slide (8), the top fixed mounting of extension rod (10) has overlap joint pole (11), and extension rod (10) are at the equidistant distribution in the below of overlap joint pole (11), slide (8), extension rod (10) and overlap joint pole (11) formula structure as an organic whole.
6. The industrial so2 corrosion resistant nitroxide sensor of claim 5, wherein: slide (8) constitute elastic construction through between pressure spring (7) and fixed plate (6), connecting block (4) constitute the block structure through between butt joint groove (5) and slide (8) and fixed pipe (3).
7. The industrial so2 corrosion resistant nitroxide sensor of claim 1, wherein: lapping plate (16) are the slope form, and movable groove (19) that are used for fly leaf (18) to remove are offered to the inside of lapping plate (16) the latter half, the inner wall of movable groove (19) is laminated mutually with the outer wall of fly leaf (18), and the centre of lapping plate (16) is provided with opening (17).
8. The industrial so2 corrosion resistant nitroxide sensor of claim 7, wherein: the rear side of the lapping plate (16) is fixedly provided with a heat conducting plate (22), the position of the heat conducting plate (22) corresponds to the position of the memory alloy spring (20), and the front surface of the middle part of the active carbon filter plate (15) is inclined.
9. The industrial so2 corrosion resistant nitroxide sensor of claim 8, wherein: the movable plate (18) forms a telescopic structure with the lapping plate (16) through a heat conducting plate (22) and a memory alloy spring (20), and a through hole is formed in the lower half portion of the movable plate (18).
CN202211156478.4A 2022-09-22 2022-09-22 Industrial SO resistance 2 Corrosion nitrogen-oxygen sensor Active CN115561398B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210861A (en) * 1988-02-18 1989-08-24 Matsushita Seiko Co Ltd Gaseous carbon dioxide sensor
JP2000193632A (en) * 1998-12-28 2000-07-14 Ngk Spark Plug Co Ltd Gas sensor
WO2006061271A1 (en) * 2004-12-08 2006-06-15 Robert Bosch Gmbh Gas sensor
JP2008191042A (en) * 2007-02-06 2008-08-21 Toki Corporation Kk Gas detection device
CN111812087A (en) * 2020-08-20 2020-10-23 成都永晟昌清洁服务有限公司 Indoor formaldehyde content detection device and use method thereof
CN215116156U (en) * 2021-06-07 2021-12-10 浙江瓯云科技股份有限公司 Nitrogen-oxygen sensor
CN114563538A (en) * 2022-04-30 2022-05-31 南通诺澳电子有限公司 Energy-concerving and environment-protective type gas monitor for environmental monitoring
CN217007173U (en) * 2021-09-24 2022-07-19 杭州纳瑙新材料科技有限公司 Nitrogen-oxygen sensor protection probe based on riveting process

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210861A (en) * 1988-02-18 1989-08-24 Matsushita Seiko Co Ltd Gaseous carbon dioxide sensor
JP2000193632A (en) * 1998-12-28 2000-07-14 Ngk Spark Plug Co Ltd Gas sensor
WO2006061271A1 (en) * 2004-12-08 2006-06-15 Robert Bosch Gmbh Gas sensor
JP2008191042A (en) * 2007-02-06 2008-08-21 Toki Corporation Kk Gas detection device
CN111812087A (en) * 2020-08-20 2020-10-23 成都永晟昌清洁服务有限公司 Indoor formaldehyde content detection device and use method thereof
CN215116156U (en) * 2021-06-07 2021-12-10 浙江瓯云科技股份有限公司 Nitrogen-oxygen sensor
CN217007173U (en) * 2021-09-24 2022-07-19 杭州纳瑙新材料科技有限公司 Nitrogen-oxygen sensor protection probe based on riveting process
CN114563538A (en) * 2022-04-30 2022-05-31 南通诺澳电子有限公司 Energy-concerving and environment-protective type gas monitor for environmental monitoring

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