CN112543303A - Monitoring device and plasma treatment VOCsDevice internal real-time monitoring system - Google Patents
Monitoring device and plasma treatment VOCsDevice internal real-time monitoring system Download PDFInfo
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- CN112543303A CN112543303A CN201910894262.XA CN201910894262A CN112543303A CN 112543303 A CN112543303 A CN 112543303A CN 201910894262 A CN201910894262 A CN 201910894262A CN 112543303 A CN112543303 A CN 112543303A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 48
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000009832 plasma treatment Methods 0.000 title 1
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 239000002360 explosive Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000013307 optical fiber Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Plasma Technology (AREA)
Abstract
The invention relates to the field of monitoring, and discloses a monitoring device and a real-time monitoring system for the interior of a plasma processing VOCs device, wherein the monitoring device comprises an explosion-proof shell 1 and a camera 2 for monitoring the working condition of a plasma reactor, and the camera 2 is fixed on the explosion-proof shell 1. Through inciting somebody to action appearance 2 is installed in explosion-proof housing 1, and pass through explosion-proof housing 1 will the appearance 2 of making a video recording is fixed in the plasma reactor, like this, through 2 real-time observations of making a video recording the reaction condition in the plasma reactor has solved the relevant equipment operation in-process of plasma and has observed difficult problem, has satisfied simultaneously and has fired, the condition of using under the explosive environment, monitoring device maintains simply, and is clean easy.
Description
Technical Field
The invention relates to the monitoring technology, in particular to a monitoring device and a real-time monitoring system for the interior of a plasma processing VOCs device.
Background
The plasma is in a fourth material form except gas, liquid and solid; is a system consisting of charged particles (including ions, electrons, clusters of ions) and neutral particles. In particular, plasma is a special ionized gas; an ionized gas with sufficient ionization degree is required to have plasma properties. The generation of plasma requires driving energy in the form of electricity, magnetism, light, heat, and the like, and the use of gas discharge at high voltage is the most common plasma generation method. Under a complex electromagnetic field, conductance loss, polarization loss, induction loss and the like can be generated in plasma generating device components, so that the insulation of the plasma generating device is reduced or the plasma generating device is failed. Therefore, it is critical to effectively monitor the plasma generator in real time and ensure the safe and reliable operation of the plasma generator. Due to the complex environment in the plasma reaction device, the monitoring method of the existing plasma generation device mainly depends on the field inspection of personnel, and the observation is carried out through the observation window of the plasma reactor in the plasma generation device by naked eyes.
Disclosure of Invention
The invention aims to solve the problem of difficult internal observation of a plasma reactor in the prior art, and provides a monitoring device and a real-time monitoring system for the internal of a plasma processing VOCs device.
In order to achieve the above object, an aspect of the present invention provides a monitoring apparatus including an explosion-proof housing and a camera for monitoring an operating condition of the plasma reactor, the camera being fixed to the explosion-proof housing.
Further, the explosion-proof fixing component is used for connecting the explosion-proof shell to the shell of the plasma reactor.
Further, the appearance of making a video recording adopts wide-angle camera, wide-angle camera's visual angle is 120 degrees at least.
Further, the maximum outer diameter of the camera does not exceed 20 mm.
Further, the monitoring device comprises an auxiliary lighting unit which is arranged on the camera and used for assisting shooting.
Furthermore, the monitoring device also comprises a cylindrical protection structure and a transparent protection structure; the cylindrical protection structure is coaxial with the camera and connected to the explosion-proof shell, extends out of the camera and is provided with a cantilever end; the transparent protection structure is arranged at the cantilever end of the cylindrical protection structure.
Further, the cantilevered end of the cylindrical protective structure includes a flange projecting toward the axis; the transparent protection structure is arranged in the cylindrical protection structure and abuts against the flange.
Furthermore, the monitoring device further comprises a compression structure which is arranged in the cylindrical protection structure and used for being matched with the flange to fix the transparent protection structure, and interference fit is adopted between the compression structure and the cylindrical protection structure.
Furthermore, the monitoring device also comprises an explosion-proof fastening unit for explosion-proof and auxiliary fixing of the explosion-proof cable; the explosion-proof fastening unit is connected to a through hole of the explosion-proof cable in and out of the explosion-proof shell.
Furthermore, the invention provides a real-time monitoring system for the interior of a plasma processing VOCs device, which comprises a plasma reactor, the monitoring device, a data transmission device and a data display device, wherein the monitoring device comprises a first monitoring device and a second monitoring device; the monitoring device is installed on the plasma reactor, the camera of the monitoring device is located in the plasma reactor, one end of the data transmission device is connected with the camera, and the other end of the data transmission device is connected with the data display device.
According to the technical scheme, the camera is installed in the explosion-proof shell, and the explosion-proof shell fixes the camera in the plasma reactor, so that the camera can be used for observing the inverse situation in the plasma reactor in real time, the problem that plasma related equipment is difficult to observe in the operation process is solved, the conditions for use in flammable and explosive environments are met, and the monitoring device is simple to maintain and easy to clean.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of the present invention.
Description of the reference numerals
1-an explosion-proof housing; 2-a camera; 3-explosion-proof thread; 4-a cylindrical protective structure; 41-a flange; 5-a transparent protective structure; 6-a compression structure; 7-sealing ring; 8-an explosion-proof fastening unit; 9-reactor mounting flange.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as viewed with reference to the accompanying drawings, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves; VOCs are acronyms of the Volatile Organic English name "Volatile Organic Compounds," sometimes also called VOCs, and in this case refer to a VOC, or a collective concept that represents Volatile Organic Compounds.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to achieve the above object, the present invention provides, in one aspect, a monitoring device including an explosion-proof housing 1 and a camera 2 for monitoring the operation of the plasma reactor, wherein the camera 2 is fixed on the explosion-proof housing 1.
Through inciting somebody to action appearance 2 is installed in explosion-proof housing 1, and pass through explosion-proof housing 1 will make a video recording appearance 2 is fixed in the plasma reactor, like this, can cut off for example the leakage of plasma reactor inside gas, also can block the electric spark that appearance 2 produced at the in-process of work ignites easily fires explosive gas and leads to the production of explosion accident, and can be through making a video recording appearance 2 real-time observation the reaction condition in the plasma reactor has solved the relevant equipment operation of plasma problem difficult of observing in-process, has satisfied simultaneously and has fired, the condition of using under the explosive environment, monitoring device maintains simply, and is clean easy.
Wherein, explosion-proof housing 1 will adopt the material that intensity is higher.
In a specific embodiment of this application, explosion-proof housing 1 adopts the aluminum alloy material, explosion-proof housing 1's casing weakest department thickness is not less than 6 mm.
In another specific embodiment of the application, the explosion-proof housing 1 is made of stainless steel, and the thickness of the weakest part of the housing of the explosion-proof housing 1 is not less than 3 mm;
the camera 2 is fixed through a tubular object which can prevent rust; preferably, the cartridge is provided as a stainless steel sleeve.
Preferably, an explosion-proof fastening assembly is included for attaching the explosion-proof housing 1 to the housing of the plasma reactor. Explosion-proof fixed subassembly can adopt explosion-proof bolt 3, fixes through explosion-proof bolt 3 explosion-proof shell 1 is favorable to the explosion-proof, like this, has both installed the inside condition of convenient observation plasma reactor in plasma reactor with appearance 2 of making a video recording to separate plasma reactor and external world, prevent the emergence of explosion. Further preferably, the explosion-proof housing 1 is connected with a reactor fixing flange 9 welded on the housing of the plasma reactor through the explosion-proof bolt 3.
Wherein, the stroke of the explosion-proof bolt 3 is not less than 15cm to ensure the reliable connection, and further preferentially, the fastening force of the explosion-proof bolt 3 is 30-40N.
Preferably, the angle degree of one fan angle from the lowest end of the irradiation range of the image pickup device 2 to the highest end of the irradiation range with the lens of the image pickup device 2 as a central point is at least 120 degrees. Thus, the inside of the plasma reactor can be observed in all directions.
In order to install the monitoring device by using the viewing port on the existing plasma reactor shell without additionally opening the installation port, preferably, the camera 2 adopts a wide-angle camera, and the visual angle of the wide-angle camera is at least 120 degrees.
Preferably, the outer diameter of the camera 2 does not exceed 20mm at most. In this way, it is ensured that the camera 2 can be mounted in an explosion-proof housing 1 dimensioned according to existing observations. Thus, the monitoring device can be installed using the existing viewport to monitor the internal operation of the plasma reactor without creating new holes to install the monitoring device.
Preferably, the monitoring device includes an auxiliary lighting unit provided on the camera 2 for assisting photographing. In this way, the quality of the image of the camera 2 in a dark plasma reactor can be guaranteed by the auxiliary lighting unit.
Preferably, the monitoring device further comprises a cylindrical protection structure 4 and a transparent protection structure 5; the cylindrical protection structure 4 is coaxial with the camera 2 and is connected to the explosion-proof housing 1, and the cylindrical protection structure 4 extends beyond the camera 2 and has a cantilever end; the transparent protective structure 5 is mounted on the cantilever end of the cylindrical protective structure 4. The cylindrical protective structure 4 is used to protect the camera 2 mainly from a force perpendicular to the axis, corrosion by corrosive gas, or the like, and the transparent protective structure 5 is used to protect the camera 2 mainly from a force parallel to the axis, corrosion by corrosive gas, or the like, while not interfering with the photographing of the camera 2.
Preferably, the cantilevered end of the cylindrical protective structure 4 comprises a flange 41 projecting towards the axis; the transparent protective structure 5 is arranged inside the cylindrical protective structure 4 and abuts against the flange 41. The transparent protective structure 5 is configured to be detachable so as to be easily detached, because the transparent protective structure 5 is required to ensure transparency, the transparency of the transparent protective structure 5 is reduced after a certain period of use, and at this time, the transparent protective structure 5 needs to be replaced with a new one. The mounting and dismounting of the transparent protective structure 5 is as convenient as possible.
Preferably, the monitoring device further comprises a pressing structure 6 arranged in the cylindrical protection structure 4 and used for cooperating with the flange 41 to fix the transparent protection structure 5, and an interference fit is adopted between the pressing structure 6 and the cylindrical protection structure 4. In the application, the transparent protection structure 5 and the cylindrical protection structure 4 are in interference fit; by pushing the pressing structure 6 from the fixed end of the cylindrical protection structure 4 toward the cantilever end of the cylindrical protection structure 4, the transparent protection structure 5 is pressed at the flange 41, so that the transparent protection structure 5 is easily fixed. The transparent protective structure 5 may be, for example, tempered glass.
Preferably, the monitoring device further comprises an explosion-proof fastening unit 8 for explosion-proof and auxiliary fixing of the explosion-proof cable; the explosion-proof fastening unit 8 is connected to a through hole of the explosion-proof cable in and out of the explosion-proof shell 1. In this application, for camera 2 provides the cable of electric power and will the data line that the image data transmission that camera 2 shot goes out passes through explosion-proof cable connection camera 2.
Further preferably, the data line adopts optical fibers, and the transmission output bandwidth of the optical fibers is not lower than 50Mbps, so that the complete transmission of signal data of the wide-angle camera is ensured;
preferably, the monitoring device further comprises a sealing ring 7, wherein the sealing ring 7 is arranged between the explosion-proof housing 1 and the housing of the plasma reactor. For sealing between the housing of the plasma reactor and said sealed explosion proof housing 1.
More preferably, the sealing ring 7 is a nitrile rubber sealing ring with excellent water resistance, durability, air tightness and bonding performance.
The explosion-proof shell 1 is connected firmly with the shell of the plasma reactor, and the stability of video collection of the camera 2 is ensured.
Preferably, the second aspect of the present invention provides a real-time monitoring system inside a plasma processing VOCs apparatus, where the real-time monitoring system inside the plasma processing VOCs apparatus includes a plasma reactor and the monitoring apparatus described above, and further includes a data transmission apparatus and a data display apparatus; the monitoring device is installed on the plasma reactor, the camera 2 of the monitoring device is located in the plasma reactor, one end of the data transmission device is connected with the camera 2, and the other end of the data transmission device is connected with the data display device.
The data transmission device comprises a router, an optical fiber, a signal line junction box and the like, and the data display device comprises a display
The image data shot by the camera 2 transmits the working condition in the plasma reactor to a terminal display in real time through the optical fiber. The present application will be further understood with reference to one embodiment of a field installation and commissioning method:
firstly, a camera 2 is arranged on an explosion-proof shell 1, and a lead-out cable is led out through an explosion-proof cable pressing device;
secondly, after the transparent protection structure 5 is installed, the cylindrical protection structure 4 is installed on the explosion-proof shell 1 through the explosion-proof bolt 3;
thirdly, after the monitoring device is assembled into a whole, the monitoring device is arranged on a reactor fixing flange 9 by using an explosion-proof bolt 3 according to observation requirements, and the reactor fixing flange 9 is welded on the surface of the shell of the plasma reactor;
fourthly, a nitrile rubber sealing ring is arranged between the explosion-proof shell 1 of the monitoring device and the shell of the reactor fixing flange 9;
fifthly, when the monitoring device is not installed, a stainless steel cover plate and a nitrile rubber sealing ring can be installed on the reactor fixing flange 9 for sealing; to prevent dust or ingress
Sixthly, connecting a signal end of the camera 2 with an optical fiber, and leading the optical fiber out of the router through a signal junction box;
seventhly, connecting the router with a terminal display;
and step eight, starting a terminal display, and uploading the video signal and the image by the router.
And step nine, when the camera 2 is replaced or cleaned, repeating the steps from the first step to the eighth step after the camera is installed.
Inside real-time monitoring system of VOCs device is handled to plasma observes through the appearance of making a video recording in real time the inside anti-situation of plasma reactor has solved the inside actual working condition of reactor and has observed the problem of difficulty among the relevant equipment operation process of plasma, has satisfied simultaneously that petrochemical industry produces service condition under humid tropical and explosive environment, monitoring device maintains simply, and is clean easy.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention. Including each of the specific features, are combined in any suitable manner. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (10)
1. The monitoring device for the plasma reactor is characterized by comprising an explosion-proof shell (1) and a camera (2) for monitoring the working condition of the plasma reactor, wherein the camera (2) is fixed on the explosion-proof shell (1).
2. A monitoring device according to claim 1, comprising an explosion-proof fastening assembly for connecting the explosion-proof housing (1) to a housing of the plasma reactor.
3. A monitoring device according to claim 2, characterised in that the camera (2) is a wide-angle camera with a viewing angle of at least 120 degrees.
4. A monitoring device according to claim 3, characterised in that the outer diameter of the camera (2) does not exceed 20mm at the most.
5. A monitoring device according to claim 1, characterised in that it comprises an auxiliary lighting unit arranged on the camera (2) for assisting the photographing.
6. A monitoring device according to claim 1, characterized in that the monitoring device further comprises a cylindrical protective structure (4) and a transparent protective structure (5); the cylindrical protection structure (4) is coaxial with the camera (2) and is connected to the explosion-proof shell (1), and the cylindrical protection structure (4) extends beyond the camera (2) and is provided with a cantilever end; the transparent protection structure (5) is arranged at the cantilever end of the cylindrical protection structure (4).
7. A monitoring device according to claim 6, characterised in that the cantilevered end of the cylindrical protective structure (4) comprises a flange (41) projecting towards the axis; the transparent protective structure (5) is arranged inside the cylindrical protective structure (4) and abuts against the flange (41).
8. A monitoring device according to claim 7, further comprising a compression structure (6) arranged within the tubular protective structure (4) for cooperating with the flange (41) for securing the transparent protective structure (5), wherein an interference fit is used between the compression structure (6) and the tubular protective structure (4).
9. The monitoring device according to claim 1, further comprising an explosion-proof fastening unit (8) for explosion-proof and auxiliary fixing of an explosion-proof cable; the explosion-proof fastening unit (8) is connected to a through hole of the explosion-proof cable in and out of the explosion-proof shell (1).
10. A real-time monitoring system for the inside of a plasma processing VOCs device, comprising a plasma reactor and the monitoring device according to any one of claims 1 to 9, further comprising a data transmission device and a data display device; the monitoring device is installed on the plasma reactor, a camera (2) of the monitoring device is located in the plasma reactor, one end of the data transmission device is connected with the camera (2), and the other end of the data transmission device is connected with the data display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910894262.XA CN112543303A (en) | 2019-09-20 | 2019-09-20 | Monitoring device and plasma treatment VOCsDevice internal real-time monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910894262.XA CN112543303A (en) | 2019-09-20 | 2019-09-20 | Monitoring device and plasma treatment VOCsDevice internal real-time monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN112543303A true CN112543303A (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910894262.XA Pending CN112543303A (en) | 2019-09-20 | 2019-09-20 | Monitoring device and plasma treatment VOCsDevice internal real-time monitoring system |
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| CN201388250Y (en) * | 2009-04-15 | 2010-01-20 | 常州裕华电子设备制造有限公司 | Anti-explosion high-speed spherical video camera |
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| CN107249093A (en) * | 2017-07-31 | 2017-10-13 | 重庆万建电子工程有限责任公司重庆第分公司 | It is a kind of to damp the flame proof camera installed |
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| CN207720238U (en) * | 2017-09-14 | 2018-08-10 | 天津荣国电子技术有限公司 | A kind of explosion-proof fish eye camera |
| CN208638464U (en) * | 2018-08-28 | 2019-03-22 | 南阳市一通防爆电气有限公司 | A kind of embedded explosion-proof camera shooting instrument |
| CN209030294U (en) * | 2018-12-18 | 2019-06-25 | 深圳市恩视特电子有限公司 | A kind of anti-explosion high-speed spherical video camera |
| CN209089108U (en) * | 2018-10-24 | 2019-07-09 | 宜兴市普天视电子有限公司 | Infrared explosion-proof tubular video camera |
-
2019
- 2019-09-20 CN CN201910894262.XA patent/CN112543303A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201388250Y (en) * | 2009-04-15 | 2010-01-20 | 常州裕华电子设备制造有限公司 | Anti-explosion high-speed spherical video camera |
| CN204721445U (en) * | 2015-06-23 | 2015-10-21 | 常州市和坤电子有限公司 | Explosion suppression spherical photography instrument |
| CN107249093A (en) * | 2017-07-31 | 2017-10-13 | 重庆万建电子工程有限责任公司重庆第分公司 | It is a kind of to damp the flame proof camera installed |
| CN207720238U (en) * | 2017-09-14 | 2018-08-10 | 天津荣国电子技术有限公司 | A kind of explosion-proof fish eye camera |
| CN107690047A (en) * | 2017-11-15 | 2018-02-13 | 江苏琥崧智能化科技有限公司 | A kind of anti-explosion surveillance camera |
| CN208638464U (en) * | 2018-08-28 | 2019-03-22 | 南阳市一通防爆电气有限公司 | A kind of embedded explosion-proof camera shooting instrument |
| CN209089108U (en) * | 2018-10-24 | 2019-07-09 | 宜兴市普天视电子有限公司 | Infrared explosion-proof tubular video camera |
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Application publication date: 20210323 |
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