CN203490209U - Calibrating device for harmful gas detection alarm of coal mine - Google Patents
Calibrating device for harmful gas detection alarm of coal mine Download PDFInfo
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- CN203490209U CN203490209U CN201320657539.5U CN201320657539U CN203490209U CN 203490209 U CN203490209 U CN 203490209U CN 201320657539 U CN201320657539 U CN 201320657539U CN 203490209 U CN203490209 U CN 203490209U
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Abstract
The utility model relates to the technical field of equipment calibration, and particularly relates to a calibrating device for a harmful gas detection alarm of a coal mine. The calibrating device comprises a calibrating mechanism and a control mechanism, wherein the calibrating mechanism comprises a plurality of high pressure steel cylinders which hold different raw material gases; the high pressure steel cylinders are connected to a busbar through a high pressure gauge, a reducing valve, a low pressure gauge, an electromagnetic valve and a flow controller, the busbar is connected with a fan and is connected to a plurality of flow meters through a pressure balancer, and the flow meters are connected with the alarm to be detected. The calibrating device comprises a computing control unit as well as a pressure sensor, a temperature sensor, a humidity sensor, a printer, a network interface, a liquid crystal display screen, an image collecting unit, a sound level meter and an audible and visual alarm connected with the computing control unit. The computing control unit is connected with the fan. The calibrating device provided by the utility model is reasonable in structural design, and realizes the purpose of calibrating the alarms jointly by multiple channels at the same time, so that the calibrating reliability and accuracy are improved, the manual error is reduced and the opportunity that the workers are contacted with harmful gases is reduced, and the calibrating device is suitable for calibrating operations of gas alarms of coal mines.
Description
Technical field
The utility model relates to equipment Calibration Technology field, in particular for the calibrating installation of colliery harmful gas detection, alarm device.
Background technology
In coal production operation process, to the detection of toxic and harmful in mine, be the requisite measure that guarantees safety in production, this need to install a large amount of toxic air alarm devices conventionally in underworkings.Ventilation in toxic and harmful alarm detection at present, ventilation, reading etc. are all by manually completing, and have both wasted time and energy, and are difficult to again guarantee testing result accurately and reliably.If instrument is carried out to Detection of Stability, just need a large amount of repeated labors.External minority toxic and harmful alarm Intelligent Measurement experimental provision, is mainly that the factory inspection for product is object, and function is comprehensive not enough.Though domestic, there is the product application of intelligent class, in its function, be also only limited to the switching of gas circuit, and be confined to manual operation.
Notification number is the calibrating installation of a kind of flammable explosive harmful gas detection, alarm device of CN200976004Y, a kind of checkout equipment to sensor type alarm is provided, but because it does not possess network transmission module, the calibrating installation that therefore can only use as a kind of laboratory, necessary manual operation, the calibrating in real time of can not networking; Notification number is a kind of alarm Intelligent Measurement experimental provision of CN201680985U, although network function is provided, but its unipath structure, limited when alarm is examined and determine, need to be equipped with a large amount of autonomous devices, or once can only examine and determine a group alarm device, have a strong impact on efficiency, and its scheme lacks the emptying wiper mechanism to gas mixer, degree of intelligence is not enough.
Utility model content
The purpose of this utility model is in order to overcome above-mentioned technical disadvantages, to be provided for the calibrating installation of colliery harmful gas detection, alarm device.
The technical scheme that the utility model technical solution problem adopts is: for the calibrating installation of colliery harmful gas detection, alarm device, comprise calibration authority and control gear, described calibration authority comprises the high-pressure cylinder of a plurality of splendid attire different material gas, high-pressure cylinder is through high pressure gauge, reduction valve, low-pressure meter, solenoid valve, flow controller access bus-bar, bus-bar one end connecting fan, the other end accesses a plurality of flowmeters through weighing apparatus depressor, flowmeter is connected with alarm to be checked, described calibrating installation comprises calculation control unit, the baroceptor being connected with calculation control unit, temperature sensor, humidity sensor, printer, network interface, LCDs, image acquisition units, sound meter, audible-visual annunciator, calculation control unit is also connected with the blower fan on bus-bar.
Described image acquisition units is provided with a plurality of image collecting joints that are installed between flowmeter and alarm to be checked.
Described sound meter is provided with a plurality of pick-up heads that are installed between flowmeter and alarm to be checked.
Described calculation control unit is the circuit integrated module based on teleinstruction operation.
Described network interface is standard RJ45 wireline interface or the wireless terminal AP node based on Radio Transmission Technology.
The different unstripped gas of a plurality of high-pressure cylinder splendid attires, unstripped gas comprises nitrogen, oxygen and various toxic and harmful (toxic and harmful generally adopts diluted calibrating gas), unstripped gas meets flow controller pressure through slowing down downstream pressure requires (from high pressure gauge, low-pressure meter, reading atmospheric pressure value), flow controller is controlled by the setting parameter of calculation control unit, in bus-bar, be mixed into the mixed gas of preset concentration, ratio, in weighing apparatus depressor, after adjustable pressure, through flowmeter, deliver to alarm to be checked.
Image acquisition units gathers the meter reading of alarm to be checked by a plurality of image collecting joints, sound meter gathers the alarm sound decibel numerical value of alarm to be checked by a plurality of pick-up heads, meter reading, decibel numerical value all transfer to safety monitoring center by the network interface in calculation control unit.
The beneficial effect that the utility model has is: the utility model reasonable in design, realized the object that a plurality of alarms are examined and determine in multichannel associating simultaneously, the detection of the instrument that meets various measurement verifications, calibration rules regulation to different harmful gas concentrations, avoided the frequent steel cylinder of changing in test, be applicable to single range and the calibrating of multiple range alarm simultaneously, calibrating reliability and accuracy have been improved, reduce personal error, reduce a staff and contact the chance of harmful gas, can be applicable to especially the calibrating operation of a large amount of gas alarms of coal mine roadway.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with 1 pair of the utility model of accompanying drawing, be described below.
As shown in Figure 1, the utility model comprises calibration authority and control gear, described calibration authority comprises the high-pressure cylinder 1 of a plurality of splendid attire different material gas, high-pressure cylinder 1 is through high pressure gauge H, reduction valve J, low-pressure meter L, solenoid valve 2, flow controller 3 access bus-bars 4, bus-bar 4 one end connecting fans 9, the other end is through a plurality of flowmeters 7 of weighing apparatus depressor 6 access, flowmeter 7 is connected with alarm 8 to be checked, described calibrating installation comprises calculation control unit 5, the baroceptor 51 being connected with calculation control unit 5, temperature sensor 52, humidity sensor 53, printer 54, network interface 55, LCDs 10, image acquisition units 11, sound meter 12, audible-visual annunciator 13, calculation control unit 5 is also connected with the blower fan 9 on bus-bar 4.
Described image acquisition units 11 is provided with a plurality of image collecting joints 111 that are installed between flowmeter 7 and alarm to be checked 8.
Described sound meter 12 is provided with a plurality of pick-up heads 121 that are installed between flowmeter 7 and alarm to be checked 8.
Described calculation control unit 5 is the circuit integrated module based on teleinstruction operation.
Described network interface 55 is standard RJ45 wireline interface or the wireless terminal AP node based on Radio Transmission Technology.
During use, first by each alarm 8 access flow meter 7 ports to be checked, during calibrating, operated from a distance calculation control unit 5, instruction blower fan 9, to the interior air blast of bus-bar 4, carries out emptying clean-out operation, standby inspection.Then by calculation control unit 5, set the preliminary examination unstripped gas parameter of each alarm to be checked, by the different unstripped gas of a plurality of high-pressure cylinder 1 splendid attire, unstripped gas comprises nitrogen, oxygen and various toxic and harmful (toxic and harmful generally adopts diluted calibrating gas), unstripped gas is after slowing down valve J decompression, the pressure that pressure meets flow controller 3 requires (from high pressure gauge, low-pressure meter reads atmospheric pressure value), flow controller 3 is controlled by the setting parameter of calculation control unit 5, allotment different proportion, the unstripped gas of concentration, in bus-bar 4, be mixed into preset concentration, the mixed gas of ratio, after the interior adjustable pressure of weighing apparatus depressor 6, through flowmeter 7, deliver to alarm 8 to be checked.
The utility model, owing to having adopted the design of multichannel co-ordinative construction, passes through teleinstruction Based Intelligent Control by calculation control unit between each pipeline, meets the compound calibrating of many kinds of parameters, plurality of positions, a plurality of different alarms, has splendid application value.
Claims (5)
1. for the calibrating installation of colliery harmful gas detection, alarm device, comprise calibration authority and control gear, it is characterized in that: described calibration authority comprises the high-pressure cylinder of a plurality of splendid attire different material gas, high-pressure cylinder is through high pressure gauge, reduction valve, low-pressure meter, solenoid valve, flow controller access bus-bar, bus-bar one end connecting fan, the other end accesses a plurality of flowmeters through weighing apparatus depressor, flowmeter is connected with alarm to be checked, described calibrating installation comprises calculation control unit, the baroceptor being connected with calculation control unit, temperature sensor, humidity sensor, printer, network interface, LCDs, image acquisition units, sound meter, audible-visual annunciator, calculation control unit is also connected with the blower fan on bus-bar.
2. the calibrating installation for colliery harmful gas detection, alarm device according to claim 1, is characterized in that: described image acquisition units is provided with a plurality of image collecting joints that are installed between flowmeter and alarm to be checked.
3. the calibrating installation for colliery harmful gas detection, alarm device according to claim 1, is characterized in that: described sound meter is provided with a plurality of pick-up heads that are installed between flowmeter and alarm to be checked.
4. the calibrating installation for colliery harmful gas detection, alarm device according to claim 1, is characterized in that: described calculation control unit is the circuit integrated module based on teleinstruction operation.
5. the calibrating installation for colliery harmful gas detection, alarm device according to claim 1, is characterized in that: described network interface is standard RJ45 wireline interface or the wireless terminal AP node based on Radio Transmission Technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657539.5U CN203490209U (en) | 2013-10-23 | 2013-10-23 | Calibrating device for harmful gas detection alarm of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657539.5U CN203490209U (en) | 2013-10-23 | 2013-10-23 | Calibrating device for harmful gas detection alarm of coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN203490209U true CN203490209U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320657539.5U Expired - Fee Related CN203490209U (en) | 2013-10-23 | 2013-10-23 | Calibrating device for harmful gas detection alarm of coal mine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483353A (en) * | 2014-12-16 | 2015-04-01 | 昆山圣赛诺尔传感技术有限公司 | Multichannel oxygen sensor testing device and multichannel oxygen sensor testing method |
| CN105911222A (en) * | 2016-04-18 | 2016-08-31 | 中国石油化工股份有限公司 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
| CN107153105A (en) * | 2017-05-17 | 2017-09-12 | 西北师范大学 | The online batch calibrating installation of flammable gas alarm and calibration method is fixedly mounted |
| 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 |
| CN109917076A (en) * | 2019-03-08 | 2019-06-21 | 广东省韶关市质量计量监督检测所 | Multichannel Carbon Monoxide Detection alarm automatic verification system |
| CN110487957A (en) * | 2018-05-14 | 2019-11-22 | 中国石油化工股份有限公司 | A kind of efficient gas alarm calibration method and device |
| CN110849946A (en) * | 2019-11-04 | 2020-02-28 | 苏州热工研究院有限公司 | Calibration device and calibration method for oxygen detection alarm |
-
2013
- 2013-10-23 CN CN201320657539.5U patent/CN203490209U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483353A (en) * | 2014-12-16 | 2015-04-01 | 昆山圣赛诺尔传感技术有限公司 | Multichannel oxygen sensor testing device and multichannel oxygen sensor testing method |
| CN105911222A (en) * | 2016-04-18 | 2016-08-31 | 中国石油化工股份有限公司 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
| CN107153105A (en) * | 2017-05-17 | 2017-09-12 | 西北师范大学 | The online batch calibrating installation of flammable gas alarm and calibration method is fixedly mounted |
| CN110487957A (en) * | 2018-05-14 | 2019-11-22 | 中国石油化工股份有限公司 | A kind of efficient gas alarm calibration method and device |
| 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 |
| CN109917076A (en) * | 2019-03-08 | 2019-06-21 | 广东省韶关市质量计量监督检测所 | Multichannel Carbon Monoxide Detection alarm automatic verification system |
| CN110849946A (en) * | 2019-11-04 | 2020-02-28 | 苏州热工研究院有限公司 | Calibration device and calibration method for oxygen detection alarm |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20141023 |
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| EXPY | Termination of patent right or utility model |