CN106546347A - One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system - Google Patents
One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system Download PDFInfo
- Publication number
- CN106546347A CN106546347A CN201610904216.XA CN201610904216A CN106546347A CN 106546347 A CN106546347 A CN 106546347A CN 201610904216 A CN201610904216 A CN 201610904216A CN 106546347 A CN106546347 A CN 106546347A
- Authority
- CN
- China
- Prior art keywords
- signal repeater
- coal mine
- switch cabinet
- temperature sensor
- main frame
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2219/00—Thermometers with dedicated analog to digital converters
Abstract
One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detection means, mainly by radio temperature sensor, three big module composition of signal repeater and thermometric main frame, each module reaches intrinsic safety authentication credential, each node temperature changing value is accurately monitored under high quick-fried environment, and is communicated with host computer in time.Wherein, the radio temperature sensor is responsible for the Real-time Collection of high-explosive switch interior nodes temperature and is wirelessly sent to signal repeater；The signal repeater is mainly responsible for receiving transducer data and carries out storing outside piece, while receiving thermometric main frame transmitting order to lower levels, and responds reply；The thermometric main frame is mainly responsible for inquiring about controlled signal repeater and radio temperature sensor data at the appointed time, and carry out showing, early warning etc., while passing through work station on Ethernet and well enters row data communication.
Description
Technical field
The patent of invention relates generally to temperature acquisition and Transmission system under a kind of high quick-fried environment, specifically a kind of application
In detection and the communicator of downhole coal mine high-explosive switch cabinet node temperature.
Background technology
The characteristics of coal mine operation environment is which has flammable explosive gas（Such as CH4, CO, H2 etc.）, coal dust etc. it is latent
In explosion risk factor.According to incompletely statistics, in 30% or so coal mine gas dust explosion accident, more than 70% down-hole
Exogenous fire accident is by electrical equipment spark, plant equipment is overheated or non-metallic material lights what is caused.To prevent and treat gas, coal dust
Explosion accident occurs, and the measure on the one hand wanting strict is monitored, controls fire damp Dust Concentration；On the other hand to prevent due to well
Divide into received shipment change the line of production raw electric spark, electric arc, hot surface and scorching hot granule etc. all can cause gas and dust explosion accident
Incendiary source and high temperature heat source, control all potential incendiary sources and can produce the factor of high temperature heat source.Therefore strengthen to coal mine
Research in terms of lower electrical equipment has great importance.At present for the control of electric spark has had the control of comparative maturity
Also there is not a electronic equipment to have to the equipment that high-tension switch cabinet under ore deposit etc. can produce high temperature heat source on equipment, but market
The temperature detection and monitor in real time of effect, while and need to meet the requirement in GB to explosive-proof grade, especially to high-voltage switch gear
In cabinet, the temperature detection of each node, not only needs accurate reliability, in addition it is also necessary to spaced apart is not affected on the premise of normal work,
This proposes more acute test to temperature measuring equipment.
The content of the invention
For above demand and weak point, the patent of invention major design have developed and a can be applicable to downhole coal mine
The detection of each node temperature of high-explosive switch cabinet and communicator, the device have small volume, measure accurate, low in energy consumption, real-time height
The features such as effect, install convenient, and meet the regulation of related intrinsic safety requirement in GB GB3836.
Patent of the present invention for the solution taken of technical problem that the current direction is present is：One kind is applied to down-hole
The detection of colliery high-explosive switch cabinet node temperature and communication system, the system is mainly by three module compositions：Wireless temperature is sensed
Device, signal repeater and thermometric main frame.Wherein, radio temperature sensor is arranged on each needs monitoring temperature inside high-explosive switch
On the node of degree, temperature of the sensor every the time automatic measurement present position of setting, and temperature data transmission will be measured
To signal repeater；Signal repeater is arranged on inside high-explosive switch, is mainly used in receiving switch internal radio temperature sensor
Temperature signal, by the packing of the temperature signal Unified coding of all temperature sensors in the switch for receiving after, be sent to thermometric
Main frame or switch protection, wherein signal repeater are furnished with two antennas, and one is located at switch internal and is responsible for being entered with temperature sensor
Row communication, another is located at outside high-explosive switch is responsible for and thermometric main-machine communication, and synchronous signal transponder not only has wireless biography
Defeated mode, also with RS485 communication modes, with multiple choices；Thermometric main frame is predominantly located at down-hole switchgear house or distributor point, bears
Duty is received and manages signal repeater and radio temperature sensor in this distribution room, can be sent temperature anomaly alarm, and be had aobvious
Show, inquire about and count the function of all data of this Host Administration.
Radio temperature sensor in the system includes：Main control module IC and periphery necessity device, and respectively with master control mould
Temperature-sensing element, signal lamp, radio receiving transmitting module and power module that block is connected.The radio receiving transmitting module includes adopting
2.4G radiofrequency launcher；The power module is 3.6V high-performance lithium batteries, to provide stable working power；The temperature-sensitive
Element is using contact DS18B20 direct access node temperature information and be sent to single-chip microcomputer, and the single-chip microcomputer will be received
Humiture data message is sent to signal repeater receiving terminal by radiofrequency launcher.
Signal repeater in the system is designed as Mine-used I. S, mainly includes the outer supply module of plate, there is provided electricity between plate
Pressure；Single-chip minimum system, controls modules normal work；Radio receiving transmitting module, for receiving transducer data；Data radio station
Module, for radio communication between thermometric main frame；Antenna isolation module, for ensureing that data radio station module antenna intrinsic safety will
Ask；Hardware watchdog module, guarantee procedure are normal；485ID setup modules, for arranging signal repeater identification address；Data
Memory module, for storing receiving transducer data；Isolate 485 communication modules, ensure that 485 communication intrinsic safety are required；LED number pipe dies
Block, shows probe temperature value, is easy to observation.
The thermometric main frame of the system is mine explosion-suppression and intrinsic safety type.It is main to include being mainly used in receiving and managing this switchgear house
Interior signal repeater and radio temperature sensor, including colorful display screen, 485 isolation modules, 433MHz wireless receiving modules, sheet
Peace type mouse emulator and Ethernet isolation module etc..Each probe temperature value is obtained by the way of active transmitting order to lower levels,
And communicated with thermometric work station on well by ether net mode.
Preferably, the temperature sensor adopts low-power scm, whole plank quiescent current≤3uA.
Preferably, in the signal repeater, 433MHz wireless radio frequency modules and RS485 receiver modules design circuit are adopted
Use intrinsic safety isolation circuit, and pressure voltage >=2500V.Meanwhile, EMC circuit designs are adopted in circuit design process, farthest
Reduce the existing electromagnetic interference of circuit itself；Signal repeater adopts internal electric source power taking, and whole equipment is mining
Peace type.
The circuit designs such as wireless receiving module preferably, in the thermometric main frame, ethernet module are isolated using intrinsic safety
Design, pressure voltage >=2500V improve stress levels on the premise of transmission range is ensured.
Description of the drawings
Below in conjunction with the accompanying drawings patent of the present invention is described further：
Fig. 1 is patent flame-proof switch interior nodes temperature monitoring system the general frame of the present invention.
Fig. 2 is the theory diagram of patent radio temperature sensor of the present invention.
Fig. 3 is the theory diagram of patent signal repeater of the present invention.
Fig. 4 is the theory diagram of patent thermometric main frame of the present invention.
Specific embodiment
With reference to Figure of description to patent of the present invention with regard to downhole coal mine high-explosive switch interior nodes temperature detection with communicate
Device does following explanation.As shown in figure 1, the system is mainly by three module compositions：Radio temperature sensor, signal repeater and
Thermometric main frame, intercommunication between each device complete the communication of information.
Fig. 2 is mainly temperature sensor section, and the temperature acquisition process of the device is as follows：
1）Timing working mode during 3 are taken according to field condition single-chip microcomputer, debugging stage are quick timing 2 seconds, 2 second time
Arrive, single-chip microcomputer gives Automatic level control to temperature-sensing element, obtain current temperature value；Normal transmission phase timing 300 seconds, the time is to then
Obtain sensor values；When temperature is undergone mutation then, immediately application is interrupted, and timing is changed into sending immediately；
2）The AD conversion that the magnitude of voltage for varying with temperature obtained in temperature sensor gives single-chip microcomputer is sampled, single-chip microcomputer root
The magnitude of voltage conversion obtained according to sampling obtains corresponding temperature value；
3）After the completion of data is activation, single-chip microcomputer gathers battery current electric quantity every time；
4）Single-chip microcomputer judges whether collecting temperature changes, and radio-frequency module is immediately waken up if change, by gathered data the
One time was wirelessly uploaded to terminal transceiver；If temperature is not undergone mutation, timing side is sent using normal
Formula；
5）Single-chip Controlling respective pins, make single-chip microcomputer and radio-frequency module enter low power consumpting state after sending data, extend and visit
Head battery.
Fig. 3 is mainly signal repeater part, and the specific implementation process of the device is as follows：
1）Subordinate is received by wireless module to pop one's head in sent out data, and stores data in off-chip memory module, it is at any time etc. to be measured
Warm main frame is called, while by data in turn in numeral method；
2）Data radio station module or RS485 modes are used to receive thermometric Host Command and upload related data；
3）It is arranged on inside high-explosive switch based on signal repeater, employs, be easy to
Execute-in-place；
4）Using two kinds of precautionary measures of internal house dog and external hardware house dog, it is ensured that normal program operation.
Fig. 4 is mainly thermometric host machine part, and the specific implementation process of the device is as follows：
1）Thermometric main frame is mainly communicated with signal repeater by wireless module or 485 communication modes, at the same by with
Too data are uploaded thermometric work station on well by net transmission means.The equipment can be used for the observation of staff's downhole data, send out in time
It is now abnormal.
Claims (5)
1. one kind is applied to downhole coal mine high-explosive switch cabinet node temperature detection means, mainly by radio temperature sensor, signal
Three big module composition of transponder and thermometric main frame, accurately monitors each node temperature changing value under high quick-fried environment, and in time with
Host computer is communicated；Wherein, the radio temperature sensor is responsible for the Real-time Collection of high-explosive switch interior nodes temperature and is passed through
It is wirelessly transmitted to signal repeater；The signal repeater is mainly responsible for receiving transducer data and carries out storing outside piece, together
When receive thermometric main frame transmitting order to lower levels, and respond reply；The thermometric main frame is mainly responsible for inquiring about institute at the appointed time
The signal repeater and radio temperature sensor data of control, and carry out showing, early warning etc., while by Ethernet and work on well
Stand into row data communication.
2. one kind according to claim 1 is applied to downhole coal mine high-explosive switch cabinet node temperature detection means, its feature
It is that the module reaches intrinsic safety authentication credential.
3. one kind according to claim 1 is applied to downhole coal mine high-explosive switch cabinet node temperature detection means, its feature
It is, the radio temperature sensor quiescent current≤3uA.
4. one kind according to claim 1 is applied to downhole coal mine high-explosive switch cabinet node temperature detection means, its feature
It is that the signal repeater employs EMC circuit designs, and pressure voltage >=2500V.
5. one kind according to claim 1 is applied to downhole coal mine high-explosive switch cabinet node temperature detection means, its feature
Be, it is described that GB GB3836 related request has been reached with upper module, in high quick-fried environment can efficient stable work not by environment do
Disturb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904216.XA CN106546347A (en) | 2016-10-18 | 2016-10-18 | One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904216.XA CN106546347A (en) | 2016-10-18 | 2016-10-18 | One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106546347A true CN106546347A (en) | 2017-03-29 |
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| CN201610904216.XA Pending CN106546347A (en) | 2016-10-18 | 2016-10-18 | One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183151U (en) * | 2011-09-14 | 2012-04-04 | 淮阴师范学院 | Wireless temperature sensing system of fire hazard monitoring system |
| CN202274950U (en) * | 2011-10-13 | 2012-06-13 | 西安众恒科技有限公司 | Wireless and optical fiber comprehensive temperature detection device for switch cabinet |
| CN202486950U (en) * | 2011-12-21 | 2012-10-10 | 河北钢铁集团矿业有限公司 | Mine underground wireless temperature monitoring device |
| CN202885987U (en) * | 2012-10-30 | 2013-04-17 | 杭州宇诺电子科技有限公司 | One-host multipoint wireless temperature measuring device |
| CN202947800U (en) * | 2012-11-09 | 2013-05-22 | 山西省电力公司吕梁供电公司 | Wireless temperature measurement device of mine electrical device |
| CN103245378A (en) * | 2013-03-07 | 2013-08-14 | 北京华安奥特科技有限公司 | Intrinsic safety type multifunctional hydrologic monitoring platform based on Wi-Fi MESH technology |
| CN203858042U (en) * | 2014-05-07 | 2014-10-01 | 扬州德云电气设备集团有限公司 | Wireless temperature measurement system of high-voltage switch cabinet |
| CN105371970A (en) * | 2015-12-15 | 2016-03-02 | 国家电网公司 | Substation wireless temperature measuring alarm system |
-
2016
- 2016-10-18 CN CN201610904216.XA patent/CN106546347A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183151U (en) * | 2011-09-14 | 2012-04-04 | 淮阴师范学院 | Wireless temperature sensing system of fire hazard monitoring system |
| CN202274950U (en) * | 2011-10-13 | 2012-06-13 | 西安众恒科技有限公司 | Wireless and optical fiber comprehensive temperature detection device for switch cabinet |
| CN202486950U (en) * | 2011-12-21 | 2012-10-10 | 河北钢铁集团矿业有限公司 | Mine underground wireless temperature monitoring device |
| CN202885987U (en) * | 2012-10-30 | 2013-04-17 | 杭州宇诺电子科技有限公司 | One-host multipoint wireless temperature measuring device |
| CN202947800U (en) * | 2012-11-09 | 2013-05-22 | 山西省电力公司吕梁供电公司 | Wireless temperature measurement device of mine electrical device |
| CN103245378A (en) * | 2013-03-07 | 2013-08-14 | 北京华安奥特科技有限公司 | Intrinsic safety type multifunctional hydrologic monitoring platform based on Wi-Fi MESH technology |
| CN203858042U (en) * | 2014-05-07 | 2014-10-01 | 扬州德云电气设备集团有限公司 | Wireless temperature measurement system of high-voltage switch cabinet |
| CN105371970A (en) * | 2015-12-15 | 2016-03-02 | 国家电网公司 | Substation wireless temperature measuring alarm system |
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| 梁波等: "浅谈在线温度监测预警系统在配变电站设备的应用", 《中国电力教育》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170329 |