CN102279244A - Multi-parameter sensor for entry lock - Google Patents
Multi-parameter sensor for entry lock Download PDFInfo
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- CN102279244A CN102279244A CN2011101212579A CN201110121257A CN102279244A CN 102279244 A CN102279244 A CN 102279244A CN 2011101212579 A CN2011101212579 A CN 2011101212579A CN 201110121257 A CN201110121257 A CN 201110121257A CN 102279244 A CN102279244 A CN 102279244A
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Abstract
The invention relates to a multi-parameter sensor for an entry lock. The multi-parameter sensor comprises a plurality of sensors, a weak signal amplification module, a master-slave processing module, a communication module, a display module, a calibration module and a casing structure. The multi-parameter sensor can be arranged in the entry lock to acquire the gas concentration data of CO, CO2, CH4 and O2 in the entry lock in real time; the acquired gas concentration data is transmitted to the monitoring and control systems of a movable rescue capsule and a fixed refuge chamber by a recommended standard 232/485 (RS232)/RS485 serial interface and a controller area network (CAN) bus interface; the plurality of sensors can be calibrated on line and off line; the zero points and the measuring ranges of the CO, the CO2, the CH4 and the O2 are calibrated at one time; the parameter of the weak signal amplification circuit also can be calibrated; the master-slave processing module ensures the stability and the reliability of the multi-parameter sensor for the entry lock; and due to the display module and a casing with an explosion-proof structure, the multi-parameter sensor for the entry lock is conveniently and safely operated. The problems that the plurality of sensors are arranged in the limited space of the entry lock of an underground movable rescue capsule in a mine and a plurality of data transmission interfaces are provided are solved.
Description
Technical field
The present invention relates to Instrument technology field, relate in particular to the transfer chamber multi-parameter sensor that survival capsule (or fixedly refuge chamber) is moved in a kind of colliery and non-coal mine down-hole.
Background technology
At present, use methane (CH more widely in colliery and non-coal mine field
4) sensor, carbon monoxide (CO) sensor, carbon dioxide (CO
2) sensor, oxygen (O
2) sensor all is standalone sensor, each sensor device is measured a kind of gas concentration, possesses LED and shows and communication serial port, has brought into play huge effect in the safety monitoring system in this field.Yet, the mobile survival capsule that in colliery and non-coal mine underground emergency avoiding system, plays an important role and fixedly use in the refuge chamber and just have following problem:
1, a plurality of sensors need the cost height rationally is installed in the finite space.
2, sensor interface quantity is many, and power consumption is big.
3, the measuring accuracy of sensor and reliability are low.
Therefore, how to found a kind of transfer chamber multi-parameter sensor (measure CO, CO
2, CH
4, O
2), and can reduce volume, weight reduction, installation and maintenance and calibration convenience, dual processor work, serial ports transmission data, stablize accurate measuring accuracy and high reliability, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to, a kind of transfer chamber multi-parameter sensor is provided, can utilize a multi-parameter sensor measure CO, CO
2, CH
4, O
2Concentration solves the shortcoming that the single-sensor volume is big, weight is heavier, interface is many and power consumption is big, and installation and maintenance simultaneously and calibration are convenient, guarantee measuring accuracy and reliability.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.According to a kind of transfer chamber multi-parameter sensor that the present invention proposes, it comprises: a plurality of sensors, gather CO, CO respectively
2, CH
4, O
2Concentration data; Feeble signal processing and amplifying module, it is electrically connected at described a plurality of sensor, and to CO, the CO of described a plurality of sensor acquisition
2, CH
4, O
2Concentration data carries out processing and amplifying; The two processing modules of master-slave mode are formed by primary processor with from processor, and the two processing modules of described master-slave mode are connected in described feeble signal processing and amplifying module by interface, are used to receive CO, the CO that amplifies through described feeble signal processing and amplifying module
2, CH
4, O
22 concentration datas are also handled; Communication module, it is connected by the two processing modules of interface and described master-slave mode, and described communication module receives CO, the CO after the two processing modules of described master-slave mode are handled
2, CH
4, O
2Concentration data; Display module, it is connected by the two processing modules of interface and described master-slave mode, and described display module receives instruction and the demonstration that the two processing modules of described master-slave mode send; Calibration module, it is connected by the two processing modules of interface and described master-slave mode, is used to calibrate described a plurality of sensor and described feeble signal processing and amplifying module; And shell mechanism.
Purpose of the present invention and solve its technical matters and can also be further achieved by the following technical measures.
Aforesaid transfer chamber multi-parameter sensor, wherein said sensor is respectively CO sensor, CO
2Sensor, CH
4Sensor, O
2Sensor.
Aforesaid transfer chamber multi-parameter sensor, wherein said a plurality of sensors and described feeble signal processing and amplifying module are integrated on the circuit board.
Aforesaid transfer chamber multi-parameter sensor, wherein said communication module possess RS232/RS485 serial ports, CAN bus interface, when host computer requires to obtain data command,, communication module in accordance with regulations agreement with the CO, the CO that receive
2, CH
4, O
2Concentration data is transferred to host computer.
Aforesaid transfer chamber multi-parameter sensor, wherein said display module are LCD display.
Aforesaid transfer chamber multi-parameter sensor wherein saidly carries out heartbeat detection from processor to described primary processor, if describedly find that from processor described primary processor breaks down, then describedly replaces described primary processor work from processor.
Aforesaid transfer chamber multi-parameter sensor, wherein said display module and shell mechanism are blast resistance construction.
Aforesaid transfer chamber multi-parameter sensor, the calibrating mode of wherein said display module are on-line calibration.
Aforesaid transfer chamber multi-parameter sensor, wherein said calibrating mode also can be the off line calibration.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, the excessive cabin of the present invention multi-parameter sensor has following advantage and beneficial effect at least:
1, with four kinds of (CO, CO
2, CH
4, O
2) different sensor and the feeble signal processing and amplifying modules that detect principles are integrated on the circuit board, become the core component of transfer chamber multi-parameter sensor, by interface with after the master-slave mode processing module is connected, cooperate display module, communication module and calibration module form that measurement parameter is many, precision is high, in light weight, volume is little, the transfer chamber multi-parameter sensor of low in energy consumption, easy installation.
2, utilize online and the off line calibrating mode, ensure that the measuring accuracy of transfer chamber multi-parameter sensor is accurately stable.
3, the master-slave mode processing module has improved the reliability and the serviceable life of transfer chamber multi-parameter sensor.
4, display module and shell mechanism have explosion prevention function, and the interference free performance of its serial data communication has ensured data acquisition and transmission in the rugged surroundings of down-hole.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural drawing of transfer chamber multi-parameter sensor of the present invention;
Fig. 2 is the workflow diagram of transfer chamber multi-parameter sensor of the present invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to excessive cabin its embodiment of multi-parameter sensor, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also shown in Figure 1, structural drawing for transfer chamber multi-parameter sensor of the present invention, the transfer chamber multi-parameter sensor comprises: a plurality of sensors 1, feeble signal processing and amplifying module 2, master-slave mode processing module 3, communication module 4, display module 5, calibration module 6 and shell mechanism (not shown), in the present invention, transfer chamber also can be described as transition chamber.
Above-mentioned a plurality of sensors 1 are respectively CO sensor 11, CO
2Sensor 12, CH
4Sensor 13, O
2Sensor 14, a plurality of sensors 1 are gathered CO, CO
2, CH
4, O
2The sensor of concentration data, and being electrically connected at feeble signal processing and amplifying module 2, it and feeble signal processing and amplifying module 2 are integrated on the circuit board, are arranged in the can, become the core component of transfer chamber multi-parameter sensor, through CO, the CO of sensor 1 collection
2, CH
4, O
2Concentration data is sent into feeble signal processing and amplifying module 2 and is amplified.
Above-mentioned master-slave mode processing module 3 is connected with feeble signal processing and amplifying module 2 by interface, receives the CO, the CO that amplify through feeble signal processing and amplifying module 2
2, CH
4, O
2Concentration data and adopt, digital filtering and data processing, master-slave mode processing module 3 is formed by primary processor 31 with from processor 32, primary processor 31 and all embedded operating system and data acquisition application software from processor 32, when the present invention works, generally speaking by primary processor 31 work, carry out heartbeat detection from 32 pairs of primary processors of processor 31, then replace primary processor 31 work from processor 32 as finding primary processor 31 faults.In addition, the primary processor 31 and house dog management function is all arranged from processor 32 has solved under rugged surroundings the problem that if processor breaks down another processor is then proceeded work in this master-slave mode processing module 2.
Above-mentioned communication module 4 is connected with master-slave mode processing module 3 by interface, receives through master-slave mode processing module 3 and utilizes CO, CO after operating system and data acquisition application software are handled
2, CH
4, O
2Concentration data, in the present invention, communication module 4 possesses RS232/RS485 serial ports, CAN bus interface, when host computer requires to obtain data command, communication module 4 agreement in accordance with regulations is transferred to host computer with CO, CO2, CH4, the O2 concentration data that receives, and promptly is transferred to the mobile survival capsule or the fixing monitor control system of refuge chamber by RS232/RS485 serial ports, CAN bus interface.
Above-mentioned display module 5 is connected from processing module 3 with main formula by interface, and in the present invention, display module 5 can be LCD display, is used to receive instruction and demonstration that master-slave mode processing module 3 sends, and being specially can be full frame/show CO, CO separately
2, CH
4, O
2Concentration numerical value and calibration process information.
Above-mentioned calibration module 6, be connected with master-slave mode processing module 3 by interface, be used to calibrate a plurality of sensors 1 and feeble signal processing and amplifying module 2, in the present invention, the transfer chamber multi-parameter sensor can on-line calibration, but also off line calibration, during on-line calibration, calibration module 6 is auxiliary to CO, CO by Infrared remote controller
2, CH
4, O
2Use respectively earlier the nitrogen suppressed zero, and then with CO, CO
2, CH
4, O
2Standard gas calibration range is also calibrated the circuit parameter of feeble signal processing and amplifying module 2 simultaneously; During the off line calibration, operating personnel are integrated in a plurality of sensors 1 and feeble signal processing and amplifying module 2 in the can earlier and take out in the transfer chamber multi-parameter sensor, be put in the special correcting device, utilize Infrared remote controller to a plurality of sensors calibration operation of being correlated with of giving an order, manually give CO, CO
2, CH
4, O
2Sensor sends school zero order after inserting nitrogen, and school zero is finished and carried out the school range, manually gives CO, CO
2, CH
4, O
2Sensor inserts CO, CO
2, CH
4, O
2Send school range order behind the standard gas, finish, go back the circuit parameter of adjustable feeble signal processing and amplifying module 2 up to calibration process.
Above-mentioned shell mechanism and LCD display are blast resistance construction.
See also shown in Figure 2ly, be the workflow diagram of transfer chamber multi-parameter sensor of the present invention, the concrete course of work is as follows:
S1. transfer chamber multi-parameter sensor start, system initialization (LCD demonstration, communication serial port, switching value and analog quantity interface);
S2. many sensor acquisition CO, CO
2, CH
4, O
2Concentration data;
S3. the master-slave mode processing module utilizes operating system and image data software to CO, CO after amplifying through feeble signal processing and amplifying module
2, CH
4, O
2Concentration data adopts, after digital filtering and the data processing, send to display module and communication module, and LCD display shows actual measurement CO, CO
2, CH
4, O
2Concentration numerical value is if communication module receives host computer and obtains data command, then CO, CO
2, CH
4, O
2Concentration data is transferred to host computer by the communication protocol of appointment;
S4. whether interpretation has the calibration request order, does not carry out if then forward S2 to; Do you then further judge calibrating mode if having? if the off line calibration forwards S5 to, on-line calibration forwards S6 to;
S5. a plurality of sensors and the integrated circuit board of feeble signal processing and amplifying module that need calibration are unloaded in shutdown, change a plurality of sensors and the integrated circuit board of feeble signal processing and amplifying module calibrated; Rework and forward S1 to.
S6. operating personnel utilize Infrared remote controller to CO, CO
2, CH
4, O
2The sensor calibration operation of being correlated with of giving an order is manually given CO, CO
2, CH
4, O
2Sensor sends school zero order after inserting nitrogen, and school zero is finished and carried out the school range, and LCD shows related data;
S7. manually give CO, CO
2, CH
4, O
2Sensor sends school range order after inserting standard gas, finishes up to calibration process, and LCD shows related data;
S8. calibrate feeble signal amplification treatment circuit parameter;
S9. shutdown after finishing; Rework and forward S1 to.
Conclude above-mentionedly, transfer chamber multi-parameter sensor of the present invention can obtain following effect and advantage:
1, with four kinds of (CO, CO
2, CH
4, O
2) different sensor and the feeble signal processing and amplifying modules that detect principles are integrated on the circuit board, become the core component of transfer chamber multi-parameter sensor, by interface with after the master-slave mode processing module is connected, cooperate display module, communication module and calibration module form that measurement parameter is many, precision is high, in light weight, volume is little, the transfer chamber multi-parameter sensor of low in energy consumption, easy installation.
2, utilize online and the off line calibrating mode, ensure that the measuring accuracy of transfer chamber multi-parameter sensor is accurately stable.
3, the master-slave mode processing module has improved the reliability and the serviceable life of transfer chamber multi-parameter sensor.
4, display module and shell mechanism have explosion prevention function, and the interference free performance of its serial data communication has ensured data acquisition and transmission in the rugged surroundings of down-hole.
Transfer chamber multi-parameter sensor of the present invention can move in survival capsule (or the fixedly refuge chamber) transfer chamber (or transition chamber) in colliery and non-coal mine down-hole and gather CO, CO in real time
2, CH
4, O
2Concentration data, and be transferred to the monitor control system (being host computer) of mobile survival capsule (or fixedly refuge chamber), its online and off line calibrating mode can keep high measuring accuracy and stability, the dual processor working method has ensured the reliability of transfer chamber (or transition chamber) multi-parameter sensor, the explosion-proof performance of its communications anti-jamming energy and structure is guaranteed the application of this device at colliery and non-coal mine underground emergency avoiding system, has good development space.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art are not in breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1. transfer chamber multi-parameter sensor is characterized in that it comprises:
A plurality of sensors are gathered CO, CO respectively
2, CH
4, O
2Concentration data;
Feeble signal processing and amplifying module, it is electrically connected at described a plurality of sensor, and to C CO, the CO of described a plurality of sensor acquisition
2, CH
4, O
2Concentration data carries out processing and amplifying;
The two processing modules of master-slave mode are formed by primary processor with from processor, and the two processing modules of described master-slave mode are connected in described feeble signal processing and amplifying module by interface, are used to receive CO, the CO that amplifies through described feeble signal processing and amplifying module
2, CH
4, O
2Concentration data is also handled;
Communication module, it is connected by the two processing modules of interface and described master-slave mode, and described communication module receives CO, the CO after the two processing modules of described master-slave mode are handled
2, CH
4, O
2Concentration data;
Display module, it is connected by the two processing modules of interface and described master-slave mode, and described display module receives instruction and the demonstration that the two processing modules of described master-slave mode send;
Calibration module, it is connected by the two processing modules of interface and described master-slave mode, is used to calibrate described a plurality of sensor and described feeble signal processing and amplifying module; And
Shell mechanism.
2. transfer chamber multi-parameter sensor according to claim 1 is characterized in that wherein said sensor is respectively CO sensor, CO
2Sensor, CH
4Sensor, O
2Sensor.
3. transfer chamber multi-parameter sensor according to claim 1 is characterized in that wherein said a plurality of sensor and described feeble signal processing and amplifying module are integrated on the circuit board.
4. transfer chamber multi-parameter sensor according to claim 1, it is characterized in that wherein said communication module possesses RS232/RS485 serial ports, CAN bus interface, when host computer requires to obtain data command,, communication module in accordance with regulations agreement with the CO, the CO that receive
2, CH
4, O
2Concentration data is transferred to host computer.
5. transfer chamber multi-parameter sensor according to claim 1 is characterized in that wherein said display module is a LCD display.
6. transfer chamber multi-parameter sensor according to claim 1, it is characterized in that wherein saidly described primary processor being carried out heartbeat detection from processor, if describedly find that from processor described primary processor breaks down, then describedly replace described primary processor work from processor.
7. transfer chamber multi-parameter sensor according to claim 1 is characterized in that wherein said display module and shell mechanism are blast resistance construction.
8. transfer chamber multi-parameter sensor according to claim 1, the calibrating mode that it is characterized in that wherein said display module is an on-line calibration.
9. transfer chamber multi-parameter sensor according to claim 8 is characterized in that wherein said calibrating mode also can be the off line calibration.
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|---|---|---|---|
| CN2011101212579A CN102279244A (en) | 2011-05-10 | 2011-05-10 | Multi-parameter sensor for entry lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101212579A CN102279244A (en) | 2011-05-10 | 2011-05-10 | Multi-parameter sensor for entry lock |
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| CN104459080A (en) * | 2014-12-26 | 2015-03-25 | 重庆邮电大学 | Fuel gas sensor calibration method based on CAN bus |
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Application publication date: 20111214 |