CN203146025U - Multi-parameter sensor for coal mine - Google Patents
Multi-parameter sensor for coal mine Download PDFInfo
- Publication number
- CN203146025U CN203146025U CN 201320098567 CN201320098567U CN203146025U CN 203146025 U CN203146025 U CN 203146025U CN 201320098567 CN201320098567 CN 201320098567 CN 201320098567 U CN201320098567 U CN 201320098567U CN 203146025 U CN203146025 U CN 203146025U
- Authority
- CN
- China
- Prior art keywords
- circuit
- parameter sensor
- temperature
- negative pressure
- methane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a multi-parameter sensor for a coal mine. The multi-parameter sensor is applied to the field of coal mine safety and mainly and structurally comprises a stainless steel case, a case cover, an air chamber, a main control panel, a liquid crystal display, a buzzer, a warning lamp, an aviation plug and the like, wherein temperature, methane, carbon monoxide and negative pressure detection circuits are arranged on the main control panel, a temperature digital chip is adopted for carrying out continuous real-time display on the underground environment temperature, a methane and carbon monoxide sensitive probe is used for detecting the gas concentration, a pressure probe is used for carrying out real-time monitoring on underground ventilation general negative pressure, mine fan differential pressure and the like, and the scheme of adopting a plurality of sensors for detecting the main return air, one-wing return air and air test station is replaced. The multi-parameter sensor can effectively deal with the underground severe environment, the continuous real-time detection on multiple parameters of underground temperature, methane, carbon monoxide and negative pressure is realized, and the multi-parameter sensor has the characteristics that the sensitivity is high, the accuracy is good, the detection types are complete, the detection range is wide, and the operation is convenient.
Description
Technical field
The utility model relates to a kind of colliery multi-parameter detecting sensor, be applied to the real-time detection continuously of downhole temperature, methane, carbon monoxide and negative pressure, when detected data surpass default alarm point, realize sound and light alarm, and start circuit breaker, effectively ensured underground work safety.
Background technology
China's energy resource structure is based on coal, and the coal amount that consumed in 2012 accounts for the over half of the world, and consumption is also rising year by year.Coal Production is faced with many difficulties, and as the safety device imperfection, the detection technique level is low etc.In recent years, mine safety accidents frequently takes place, and has caused enormous economic loss and casualties.The colliery produces a large amount of flammable explosive gas in process of production, and is of a great variety, as methane, carbon monoxide and hydrogen etc.Existing mine sensors adopts sensing element and the digit chip of single kind usually, and temperature, methane, carbon monoxide and negative pressure are detected.Yet in the subsurface environment of complexity, multiple gases such as methane, carbon monoxide etc. often are mixed into mist mutually, only a kind of gas concentration are detected effectively to reach the requirement that ensures the downhole safety operation.Therefore, a kind of sensor that the multiple parameter in down-hole is promptly and accurately detected of exploitation becomes active demand instantly.
The utility model content
For solving deficiency of the prior art, the utility model provides a kind of more practical multiple class sensing element of employing to carry out the colliery multi-parameter sensor that temperature, methane, carbon monoxide and negative pressure detect continuously in real time.
The utility model is achieved through the following technical solutions above-mentioned functions:
A kind of colliery multi-parameter sensor, its structure mainly comprises: stainless steel casing, cap, handle, temperature pick up, air chamber, negative pressure probe, master control borad, LCD, buzzer, alarm lamp and aviation plug etc.; Seal by sealing ring 2 between cap and shell, temperature pick up is installed under the shell, two air chamber symmetries are installed in the temperature pick up both sides, negative pressure probe symmetry is installed in shell both sides and close air chamber, double mcu and LCD are installed on the master control borad, buzzer is positioned at the LCD top, two alarm lamp symmetries are installed in shell top centre, aviation socket external power supply, be provided with the slip-off preventing assembly between cap and shell, be provided with gas detecting element in the air chamber, beam, be integrated with temperature on the master control borad, methane, carbon monoxide and detection of negative pressure circuit, signal pre-processing circuit, microcontroller system circuit, the data storage circuit, signal output apparatus, sound light alarming circuit, the LCD display circuit, infrared remote controller, power circuit, and with untapped cmos circuit input end grounding.
Described multi-parameter sensor, comprise temperature, methane, carbon monoxide and B/P EGR Back Pressure Transducer EGR, four kinds of dissimilar sensing elements carry out multi-parameter to temperature, methane, carbon monoxide and negative pressure and detect, replaced and disposed the solution that a plurality of sensors detect total return air, a wing return air and air measuring station, quick more practical.
Described master control borad has the anti-constant pressure and flow setting of burning, and when sensor breaks down, when taking place as short circuit, can produce constant current automatically, does not influence the operate as normal of other sensors.
Described multi-parameter sensor has the power-off signal output function, in case detected data surpass warning line, starts long-range circuit breaker in the 30s and carries out power-off protection.
Described LCD, adopt menu prompt mode intuitively that the sensor parameters is arranged by IR remote controller, comprise: reset, sensitivity setting, alarm point setting and output signal type arrange etc., exempt uncap debugging and instrument modulation, make things convenient for the user independently to debug at any time.
Adopt above technical scheme, the utlity model has following characteristics:
1, sturdy and durable, long service life.
2, sensing element is made excellent protection, during operation, the accuracy of detection is guaranteed under mine.
3, replace a plurality of sensors the down-hole multi-parameter is measured, quick more practical.
4, sensor exempts to uncap and the instrument debugging, can realize various parameter settings by IR remote controller.
5, adopt the low-power consumption element, consume little.
Description of drawings
Fig. 1 is the structural representation of facing of the present utility model.
Fig. 2 is side-looking structural representation of the present utility model.
Fig. 3 is that multi-parameter of the present utility model detects theory diagram.
Among Fig. 1,2: 1 Stainless Steel Shell, 2 caps, 3 handles, 4 nameplates, 5 alarm lamps, 6 slip-off preventing assemblies, 7 master control borads, 8 sealing rings 1,9 nuts, 10 sealing rings, 2,11 sensing elements, 12 beams, 13 luffer boards, 14 aviation plugs, 15 pressing plates, 16 screws, 17 buzzers, 18 LCDs, 19 air chambers, 20 temperature pick ups, 21 negative pressure probe.
The specific embodiment
Details are as follows by reference to the accompanying drawings for a preferred embodiment of the present utility model:
Referring to Fig. 1, a kind of colliery multi-parameter sensor, its structure mainly comprises: stainless steel casing, cap, handle, temperature pick up, air chamber, negative pressure probe, master control borad, LCD, buzzer, alarm lamp and aviation plug etc.; Adopt the slip-off preventing assembly by sealing ring 2 sealings between cap and shell, temperature pick up is installed under the shell, two air chamber symmetries are installed in the temperature pick up both sides, negative pressure probe symmetry is installed in shell both sides and close air chamber, master control borad is screwed on shell, double mcu and LCD are installed on the master control borad, LCD is fixed in the middle part of shell with nut and seals with sealing ring 1, luffer boards, the pressing plate LCD that firmly is fixed and clamped, buzzer is positioned at the LCD top, nameplate is positioned at the LCD below, and two alarm lamp symmetries are installed in the shell top center, aviation socket external power supply.
With reference to Fig. 1, described air chamber, adopt powder metallurgy to be covered with meter, structure is provided with sensing element and beam, can prevent effectively that dust, condensate water and impurity from disturbing sensing element, make the analog signal of its output can reflect the variation of methane and carbonomonoxide concentration really, through methane, Carbon Monoxide Detection circuit and corresponding treatment circuit, can detect the interior methane gas of 4.00-40.00% concentration range and the CO gas of 0.00-1000.00ppm, response time has been guaranteed the accuracy of detection and the promptness of warning about 30s.
Be integrated with multi-parameter testing circuit, signal pre-processing circuit, microcontroller system circuit, data storage circuit, signal output apparatus, sound light alarming circuit, LED display circuit, infrared remote controller, power circuit on the master control borad, and with untapped cmos circuit input end grounding.
The multi-parameter testing circuit: temperature, methane, carbon monoxide and negative pressure signal input are detected, and the signal of input is fainter and be accompanied by certain interfering signal, needs that it is carried out certain signal and handles.
Signal pre-processing circuit: to the signal that collects amplify, Signal Pretreatment such as filtering, the signal input SCM system after the processing.
Microcontroller system circuit: the signal through Signal Pretreatment is distinguished analysis and judgement, and the line data of going forward side by side stores, signal output, and LCD shows by infrared remote controller control, reaches alert and if carries out sound and light alarm.
Data storage circuit: information such as the zero point of preservation signal, sensitivity, range, alarming value, signal output type.
Signal output apparatus: be divided into two types of signals outputs of current mode, frequency type, after connect the actuator of current mode or frequency type.
Sound light alarming circuit: when a certain signal in the signal or certain several signal reach the alert if that SCM system sets, send sound and light alarm, the underground work personnel are carried out safety instruction.
LCD display circuit and infrared remote controller: by the IR remote controller adjustment and show the information such as zero point, sensitivity, range, alarming value, signal output type of signal in lcd screen, be user-friendly to.
Power circuit: be SCM system, chip temperature, methane probe, lcd screen and the power supply of other integrated chips.
As shown in Figure 3, sensor in chip temperature, methane probe, CO probe, the negative pressure probe detects parameters such as corresponding environment temperature, CH4 gas, CO gas, gas pressure respectively and delivers to signal pre-processing circuit, and feeding back to SCM system, SCM system is connected with data storage, infrared control circuit, signal output apparatus, LCD display circuit, sound and light alarm and the power circuit of shaking.
With reference to Fig. 1,2, during use sensor is hung on the down-hole with handle, carry out zero point, sensitivity, alarm point and the isoparametric setting of output signal type by remote controller, single-chip microcomputer is by parameters such as the real-time displays temperature of LCD, methane concentration, carbonomonoxide concentration and negative pressure value; When detected data surpass default warning line, buzzer is with the intensity of the 80db alarm signal of sounding, alarm lamp is glittering, send the apparent visual alarm of 20m in the dark, the power-off signal of single-chip microcomputer output simultaneously, the Long-distance Control circuit breaker has effectively ensured underground work safety at 30s internal cutting off power supply.
Claims (4)
1. colliery multi-parameter sensor, its structure mainly comprises: stainless steel casing, cap, handle, temperature pick up, air chamber, negative pressure probe, master control borad, LCD, buzzer, alarm lamp and aviation plug etc.; Seal by sealing ring 2 between cap and shell, temperature pick up is installed under the shell, two air chamber symmetries are installed in the temperature pick up both sides, negative pressure probe symmetry is installed in shell both sides and close air chamber, double mcu and LCD are installed on the master control borad, buzzer is positioned at the LCD top, two alarm lamp symmetries are installed in shell top centre, aviation socket external power supply, it is characterized in that, be provided with the slip-off preventing assembly between cap and shell, be provided with gas detecting element in the air chamber, beam, be integrated with temperature on the master control borad, methane, carbon monoxide and detection of negative pressure circuit, signal pre-processing circuit, microcontroller system circuit, the data storage circuit, signal output apparatus, sound light alarming circuit, the LCD display circuit, infrared remote controller, power circuit, and with untapped cmos circuit input end grounding.
2. colliery according to claim 1 multi-parameter sensor is characterized in that described multi-parameter sensor comprises temperature, methane, carbon monoxide and B/P EGR Back Pressure Transducer EGR.
3. colliery according to claim 1 multi-parameter sensor is characterized in that, described master control borad has the anti-constant pressure and flow setting of burning.
4. colliery according to claim 1 multi-parameter sensor is characterized in that, SCM system is connected with that data store, infrared control circuit, signal output apparatus, LCD display circuit, sound and light alarm and the power circuit of shaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098567 CN203146025U (en) | 2013-03-05 | 2013-03-05 | Multi-parameter sensor for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098567 CN203146025U (en) | 2013-03-05 | 2013-03-05 | Multi-parameter sensor for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146025U true CN203146025U (en) | 2013-08-21 |
Family
ID=48973561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320098567 Expired - Fee Related CN203146025U (en) | 2013-03-05 | 2013-03-05 | Multi-parameter sensor for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146025U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500143A (en) * | 2014-12-23 | 2015-04-08 | 常熟市矿山机电器材有限公司 | Underground coal mine methane detection and alarm system |
| CN104832157A (en) * | 2015-05-25 | 2015-08-12 | 开滦(集团)有限责任公司技术中心 | Outburst prediction and forecast device based on coal bed drilled hole gas parameter detection |
| CN104849405A (en) * | 2015-04-29 | 2015-08-19 | 无锡时和安全设备有限公司 | Intelligent gas detector adjusting system |
| CN106969796A (en) * | 2017-04-01 | 2017-07-21 | 山东科泰环境监测有限公司 | A kind of novel hand-held multi-parameter environment measuring tape deck |
| CN108036825A (en) * | 2017-12-26 | 2018-05-15 | 广西金邦泰科技有限公司 | A kind of warning device for mine |
| CN109459403A (en) * | 2018-12-12 | 2019-03-12 | 镇江中煤电子有限公司 | The more gas-detecting devices of underground coal mine and detection method |
| CN112881598A (en) * | 2021-01-11 | 2021-06-01 | 天地（常州）自动化股份有限公司 | Diagnosis method for on-line adjustment and calibration compliance of mine gas sensor |
| CN114166273A (en) * | 2021-11-22 | 2022-03-11 | 天地（常州）自动化股份有限公司 | Mining multi-parameter sensor and monitoring method |
-
2013
- 2013-03-05 CN CN 201320098567 patent/CN203146025U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500143A (en) * | 2014-12-23 | 2015-04-08 | 常熟市矿山机电器材有限公司 | Underground coal mine methane detection and alarm system |
| CN104849405A (en) * | 2015-04-29 | 2015-08-19 | 无锡时和安全设备有限公司 | Intelligent gas detector adjusting system |
| CN104832157A (en) * | 2015-05-25 | 2015-08-12 | 开滦(集团)有限责任公司技术中心 | Outburst prediction and forecast device based on coal bed drilled hole gas parameter detection |
| CN106969796A (en) * | 2017-04-01 | 2017-07-21 | 山东科泰环境监测有限公司 | A kind of novel hand-held multi-parameter environment measuring tape deck |
| CN108036825A (en) * | 2017-12-26 | 2018-05-15 | 广西金邦泰科技有限公司 | A kind of warning device for mine |
| CN109459403A (en) * | 2018-12-12 | 2019-03-12 | 镇江中煤电子有限公司 | The more gas-detecting devices of underground coal mine and detection method |
| CN112881598A (en) * | 2021-01-11 | 2021-06-01 | 天地（常州）自动化股份有限公司 | Diagnosis method for on-line adjustment and calibration compliance of mine gas sensor |
| CN114166273A (en) * | 2021-11-22 | 2022-03-11 | 天地（常州）自动化股份有限公司 | Mining multi-parameter sensor and monitoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203146025U (en) | Multi-parameter sensor for coal mine | |
| CN203824984U (en) | Handheld multi-component gas detection alarm apparatus | |
| CN203148928U (en) | Methane sensor for pipeline in coal mine | |
| CN203214101U (en) | Carbon monoxide sensor for coal mine pipeline | |
| CN205317744U (en) | Portable indoor air detector | |
| CN205749448U (en) | A kind of multifunctional gas detector | |
| CN105737886A (en) | Mining multi-parameter measuring device | |
| CN203148579U (en) | Mining temperature sensor | |
| CN202916227U (en) | Methane and oxygen double-parameter alarm | |
| CN201852600U (en) | Portable multifunctional comprehensive safety detector | |
| CN205910179U (en) | Methane control appearance | |
| CN203275284U (en) | Pipeline infrared methane sensor device | |
| CN102384360B (en) | Mine lamp with functions of displaying carbon monoxide concentration in digitized way, detecting carbon monoxide concentration and alarming | |
| CN204556484U (en) | Intelligent mining infrared methane is popped one's head in | |
| CN201464447U (en) | Methane sensor used for colliery | |
| CN108037129A (en) | Method for detecting Coal mine methane concentration | |
| CN202119476U (en) | Environment detection device in coal mine refuge chamber or escape capsule based on fault self diagnosis | |
| CN203769856U (en) | Methane concentration detecting alarm | |
| CN203849252U (en) | Portable gas detector applicable to petrochemical industry | |
| CN110095153A (en) | One kind ten unifies Multifunction Sensor | |
| CN201355352Y (en) | Methane sensor with air chamber micro vent hole for coal mine | |
| CN108169128A (en) | For the equipment of Coal mine methane Concentration Testing | |
| CN211955383U (en) | Carbon dioxide sensor for mine | |
| CN201277946Y (en) | Infrared methane sensor | |
| CN207611026U (en) | A kind of mining methane sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20170305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |