CN110308239A - A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition - Google Patents
A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition Download PDFInfo
- Publication number
- CN110308239A CN110308239A CN201910332602.XA CN201910332602A CN110308239A CN 110308239 A CN110308239 A CN 110308239A CN 201910332602 A CN201910332602 A CN 201910332602A CN 110308239 A CN110308239 A CN 110308239A
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- China
- Prior art keywords
- methane transducer
- digital display
- cabinet
- calibrating
- methane
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 239000010410 layer Substances 0.000 claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 7
- 230000008602 contraction Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 230000002269 spontaneous effect Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
- G01N33/0072—Arrangements to check the analyser by generating a test gas
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of digital display methane transducers for machine vision signal acquisition to examine and determine cabinet, it includes cabinet body, coating coated glass door, negative-pressure air fan, telescopic guideway bracket, collet and clamp structure.Wherein, cabinet body is designed to upper layer and lower layer, and upper layer is that digital display methane transducer examines and determine room, and the standard methane gas tank for calibrating is placed by lower layer, and cabinet body rear portion is equipped with interlayer, for arranging relevant gas circuit and electric wiring, is equipped with negative-pressure air fan at the top of cabinet body.There are string holes between calibrating cabinet lower layer and interlayer, and line arrangement is carried out in interlayer by string holes convenient for methane transducer and gas tank.Telescopic guideway supporting band moves industrial camera and moves up and down, and reaches designated position and takes pictures, and collet and clamp structure are for fixing methane transducer.Digital display methane transducer calibrating cabinet of the invention compared with commonly calibrating cabinet, for methane transducer number identification and the automation of verification system and design, practical value with higher and extensive market prospects.
Description
Technical field
The invention belongs to calibrating installation field more particularly to a kind of digital display methane sensings for machine vision signal acquisition
Device examines and determine cabinet.
Background technique
To prevent methane concentration exceeded, the environment such as underground coal mine and storage and transportation methane must configure methane transducer, but first
When alkane sensor dispatches from the factory and after use after a period of time, show value is not inconsistent with actual methane concentration, detection accuracy meeting
Beyond error range, such case can generate great security risk.In order to guarantee methane transducer detection accuracy and can
By property, national regulation needs to carry out mandatory calibrating and daily calibration to methane transducer.In general, existing methane transducer is examined
Determining cabinet is an easy cabinet body, and the frequency signal and current signal for being directed to methane transducer output measure realization
It examines and determine, and goes the indicating value of observation methane transducer with human eye, can not achieve real automation in this way.
In addition, the digital displaying meter digit recognition method based on machine vision has obtained tentatively making in calibrating field in recent years
With, but using the calibrating of image procossing progress instrument and meter, it will receive certain environmental restrictions, for example, intensity of illumination can be to instrument
The digital recognition effect of instruments and meters produces serious influence.Currently, existing methane transducer calibrating cabinet only meets on the market
The features such as suspension is convenient and space is big, and ventilation effect is poor, has a single function, also much for the test condition for image procossing
It does not reach requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of digital display methane transducers for machine vision signal acquisition to examine and determine cabinet,
The automation of identification and verification system for digital display methane transducer and design, be greatly improved recognition accuracy and mitigate
The working strength of staff has high practical value and extensive market prospects.
In order to solve the above technical problems, technical scheme is as follows: a kind of number for machine vision signal acquisition
Aobvious methane transducer examines and determine cabinet, including cabinet body, coating coated glass door, negative-pressure air fan, telescopic guideway bracket, collet and clamping
Structure.Wherein, cabinet body is designed to upper layer and lower layer, and upper layer is that digital display methane transducer examines and determine room, and lower layer places for calibrating
Standard methane gas tank, and cabinet body rear portion is equipped with interlayer and prevents front deployment line for arranging relevant gas circuit and electric wiring
Road is not firm, and sight of taking pictures is influenced after falling off.There are string holes between calibrating cabinet lower layer and interlayer, are convenient for methane transducer and gas
Tank carries out line arrangement by string holes in interlayer.It is equipped with negative-pressure air fan at the top of cabinet body, telescopic guideway supporting band is started building industry phase
Machine moves up and down, and reaches designated position and takes pictures, and collet and clamp structure are for fixing methane transducer.
A kind of shading polarizing coating is used on coating coated glass door, makes the horizontal polarization light (S polarized light) injected in cabinet
The slip of ingredient is 85% hereinafter, being the calibrating structural environment condition of digital display methane transducer.
Negative-pressure air fan is equipped at the top of cabinet body, when driving negative-pressure air fan, the air energy of flow of the operating generation of negative-pressure air fan
It is enough that the methane gas examined and determine in cabinet is quickly discharged into waste gas treatment equipment, it prevents from being diffused into environment and pollutes environment.
Clamp structure includes the clamping face of two or so arrangements, and two clamping faces are pair with the vertical centerline of the collet
Center line bilateral symmetry is claimed to be distributed, collet and clamp structure are provided commonly for fixed digital display methane transducer.
Industrial camera is placed on telescopic guideway bracket, is controlled by controller, and rail brackets can freely up and down stretch,
Industrial camera is installed in frame bottom, completes the calibrating to all digital display methane transducers from top to down, and independently received
Contracting, so as to the pick-and-place of digital display methane transducer.
It, can be with the invention has the benefit that by standard methane gas tank and digital display methane transducer with being placed in calibrating cabinet
Reduce building and being not required to special gas chamber placement standard methane gas tank for route；Cabinet is examined and determine compared to tradition, is based on machine
The digital display methane transducer calibrating cabinet of vision has carried out special design for number identification, and can place certain amount simultaneously
Methane transducer, improve calibrating efficiency；Telescopic guideway bracket is adjusted by steering engine, using an industrial camera to multiple
Digital display methane transducer carries out identification calibrating, greatly reduces workload.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the present of invention.
Fig. 2 is the schematic diagram of methane transducer placement region.
Fig. 3 is the structural schematic diagram of telescopic guideway bracket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It is a kind of for machine vision signal acquisition digital display methane transducer calibrating cabinet embodiment as shown in Figure 1-3, packet
Include cabinet body 1, coating coated glass door 2, negative-pressure air fan 3, telescopic guideway bracket 4, collet 5 and clamp structure 6.Wherein, cabinet body
It is designed to upper layer and lower layer, upper layer 7 is that digital display methane transducer examines and determine room, and the standard methane gas for calibrating is placed by lower layer 8
Tank, and cabinet body rear portion is equipped with interlayer 9, for arranging relevant gas circuit and electric wiring, prevents front arrangement route from loosely leaning on, takes off
Falling behind influences sight of taking pictures.It examines and determine between cabinet lower layer and interlayer there are string holes 10, and each methane transducer region 11 of placing
There are string holes 10 in the lower right corner, and line arrangement is carried out in interlayer by string holes convenient for methane transducer and gas tank.Cabinet body top
Equipped with negative-pressure air fan, telescopic guideway supporting band moves industrial camera and moves up and down, and reaches designated position and takes pictures, collet and folder
Structure is held for fixing methane transducer.
A kind of shading polarizing coating is used on coating coated glass door, makes to inject the horizontal polarization light (S-polarization in cabinet
Light) slip of ingredient is 85% hereinafter, being the calibrating structural environment condition of digital display methane transducer.
Negative-pressure air fan is equipped at the top of cabinet body, when driving negative-pressure air fan, the air energy of flow of generation is enough will be more in calibrating cabinet
Remaining methane gas is quickly discharged into waste gas treatment equipment, prevents from being diffused into environment and pollutes environment.
Clamp structure includes the clamping face of two or so arrangements, and two clamping faces are pair with the vertical centerline of the collet
Center line bilateral symmetry is claimed to be distributed, collet and clamp structure are provided commonly for fixed digital display methane transducer.
Using digital display methane transducer examine and determine cabinet when, standard methane gas tank is placed on to the lower layer of cabinet body, by it is multiple to
The digital display methane transducer of calibrating is placed between clamp structure and collet, and the route of standard methane gas tank and methane transducer is logical
Cross there are string holes calibrating cabinet interlayer in carry out line arrangement.Before starting calibrating, it is ensured that the shading of coating coated glass door
Condition is good, and negative-pressure air fan is in normal operating conditions.Calibrating starts, and industrial camera is placed in 13 bottom of telescopic guideway bracket
14, by controller control steering engine 12, telescopic rail bracket, bracket are divided into two sections from top to bottom.Digital display methane transducer is divided into four rows
It places, when rail brackets are elongated to first segment, the detection of two rows of digital display methane transducers before completing, and transfer data to PC
Machine processing, while elongation is continued to the second section, the detection of two rows of digital display methane transducers after the completion, to complete by steering engine control
Calibrating to all digital display methane transducers, rail brackets are shunk in steering engine control after the completion of calibrating, so as to digital display methane transducer
Pick-and-place it is convenient.Finally, the data of identification are handled by PC machine, entire calibration operation process is completed.
In other embodiments of the invention, the calibrating amounts of methane transducer are not limited to 12, telescopic guideway
Bracket is also not limited to two sections, to be adjusted flexibly according to the actual situation；The movement of telescopic guideway bracket can also pass through electricity
Dynamic push rod, cylinder etc. can export the driving mechanism driving of linearly operating.
Claims (2)
1. a kind of digital display methane transducer for machine vision signal acquisition examines and determine cabinet, it is characterised in that: including cabinet body, coating
Coated glass door, negative-pressure air fan, telescopic guideway bracket, collet and clamp structure；Wherein, cabinet body is designed to upper layer and lower layer,
Upper layer is that digital display methane transducer examines and determine room, and the standard methane gas tank for calibrating is placed by lower layer, and cabinet body rear portion is equipped with folder
Layer prevents front arrangement route from loosely leaning on, sight of taking pictures is influenced after falling off for arranging relevant gas circuit and electric wiring；Inspection
There are string holes between Ding Gui lower layer and interlayer, and route cloth is carried out in interlayer by string holes convenient for methane transducer and gas tank
It sets；Negative-pressure air fan is equipped at the top of cabinet body, telescopic guideway supporting band moves industrial camera and moves up and down, and reaches designated position and is clapped
According to collet and clamp structure are for fixing methane transducer.
2. digital display methane transducer according to claim 1 examines and determine cabinet, it is characterised in that: industrial camera is placed in scalable lead
Rail frame bottom controls steering engine telescopic rail bracket from top to bottom by controller, so that industrial camera be made to complete to all digital displays
The calibrating of methane transducer can carry out spontaneous contractions guide rail, so as to the pick-and-place of digital display methane transducer after the completion of calibrating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332602.XA CN110308239A (en) | 2019-04-24 | 2019-04-24 | A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910332602.XA CN110308239A (en) | 2019-04-24 | 2019-04-24 | A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110308239A true CN110308239A (en) | 2019-10-08 |
Family
ID=68074476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910332602.XA Pending CN110308239A (en) | 2019-04-24 | 2019-04-24 | A kind of digital display methane transducer calibrating cabinet for machine vision signal acquisition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110308239A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653450U (en) * | 2010-04-27 | 2010-11-24 | 杭州电子科技大学 | Digital display meter automatic calibration device based on machine vision |
| CN103749094A (en) * | 2013-12-16 | 2014-04-30 | 西北农林科技大学 | Picking robot and picking method for kiwi fruits |
| CN204195118U (en) * | 2014-11-03 | 2015-03-11 | 南京奥特电气股份有限公司 | A kind of electric expansion arm assembly |
| CN106599897A (en) * | 2016-12-09 | 2017-04-26 | 广州供电局有限公司 | Machine vision-based pointer type meter reading recognition method and device |
| CN208171956U (en) * | 2018-05-28 | 2018-11-30 | 重庆市计量质量检测研究院 | Calibrating installation for gas detecting instrument calibrating |
| CN208172985U (en) * | 2018-04-13 | 2018-11-30 | 董延庭 | Mobile gas detects alarm calibrating instrument |
| CN109307745A (en) * | 2018-11-16 | 2019-02-05 | 长庆石油勘探局有限公司技术监测中心 | A kind of multistation gas detecting instrument verification machine |
-
2019
- 2019-04-24 CN CN201910332602.XA patent/CN110308239A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653450U (en) * | 2010-04-27 | 2010-11-24 | 杭州电子科技大学 | Digital display meter automatic calibration device based on machine vision |
| CN103749094A (en) * | 2013-12-16 | 2014-04-30 | 西北农林科技大学 | Picking robot and picking method for kiwi fruits |
| CN204195118U (en) * | 2014-11-03 | 2015-03-11 | 南京奥特电气股份有限公司 | A kind of electric expansion arm assembly |
| CN106599897A (en) * | 2016-12-09 | 2017-04-26 | 广州供电局有限公司 | Machine vision-based pointer type meter reading recognition method and device |
| CN208172985U (en) * | 2018-04-13 | 2018-11-30 | 董延庭 | Mobile gas detects alarm calibrating instrument |
| CN208171956U (en) * | 2018-05-28 | 2018-11-30 | 重庆市计量质量检测研究院 | Calibrating installation for gas detecting instrument calibrating |
| CN109307745A (en) * | 2018-11-16 | 2019-02-05 | 长庆石油勘探局有限公司技术监测中心 | A kind of multistation gas detecting instrument verification machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Shoufeng Inventor after: Shi Jingcan Inventor after: Zhao Renci Inventor after: Zhou Nan Inventor after: HuangFu Shuyun Inventor after: Sun Haibo Inventor after: Zhang Baoshan Inventor after: Li Tongtong Inventor after: Huang Jie Inventor before: Tang Shoufeng Inventor before: HuangFu Shuyun Inventor before: Sun Haibo Inventor before: Zhang Baoshan Inventor before: Li Tongtong Inventor before: Huang Jie |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |
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| RJ01 | Rejection of invention patent application after publication |