CN201331693Y - Mine intrinsically safe monitoring substation - Google Patents
Mine intrinsically safe monitoring substation Download PDFInfo
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- CN201331693Y CN201331693Y CNU2008202085945U CN200820208594U CN201331693Y CN 201331693 Y CN201331693 Y CN 201331693Y CN U2008202085945 U CNU2008202085945 U CN U2008202085945U CN 200820208594 U CN200820208594 U CN 200820208594U CN 201331693 Y CN201331693 Y CN 201331693Y
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Abstract
The utility model provides a mine intrinsically safe monitoring substation, which is characterized by comprising a first microprocessor, a second microprocessor and a third microprocessor, wherein the first microprocessor is connected with a switch power supply circuit, the second microprocessor, the output end of a first optical coupling isolation circuit and the output ends of a watchdog circuit and a flip-latch, the third microprocessor is respectively connected with the waterdog circuit, a toggle switch, the output end of the flip-latch and an output end of a Schmitt trigger inverter, the second microprocessor is respectively connected with a liquid crystal display interface, the watchdog circuit, functional key-presses, an output end of a memory circuit and an inverter, and a coding circuit is respectively connected with the functional key-presses and an infrared remote control receiving circuit which is connected with the inverter. The mine intrinsically safe monitoring substation realizes the communication of mine underground terminal devices with a ground mentoring center.
Description
Technical field
The utility model relates to a kind of mining intrinsic safety type outstation, is applicable to the place that gas and dust explosion environment are arranged under the coal mine, is used for communicating by letter of terminal device and ground monitoring center, belongs to communication technical field.
Background technology
Mine subsurface environment and other product monitoring is at present adopted control on the spot or is adopted mine far distance controlled mode, cause the ground maneuvers chamber to be difficult to carry out Communication Control with underground equipment, also can't obtain simultaneously the data message in the underground equipment, when producing fault, underground equipment can't monitor in real time, can't realize aboveground down-hole switch equipment and other product being carried out remote monitoring, the equipment of down-hole need have the special messenger to manage control, the operation event information of down-hole can't in time upload to aboveground dispatching control center simultaneously, can't realize the unified management and the scheduling of whole mine equipment.
Summary of the invention
The purpose of this utility model provides a kind of mining intrinsic safety type outstation, it can send the various parameters of terminal device collection monitoring to ground monitoring center industrial computer, carry out steering order (wind-powered electricity generation gas shutting) that monitoring host computer sends simultaneously and to the end device parameter setting instruction, to realize communicating by letter of terminal device and ground monitoring center.
In order to achieve the above object, the technical solution of the utility model provides a kind of mining intrinsic safety type outstation, it is characterized in that, comprise first microprocessor, second microprocessor and the 3rd microprocessor, first microprocessor connects switching power circuit respectively, second microprocessor, the first optical coupling isolation circuit output terminal, watchdog circuit, latch output terminal and the 4th photoelectric coupled circuit output terminal, first optical coupling isolation circuit connects the first LED light negative pole, the 4th photoelectric coupled circuit output terminal connects 8 tunnel controlled quentity controlled variables and the 4th LED light respectively, the 3rd microprocessor connects watchdog circuit respectively, toggle switch, latch output terminal and Schmidt trigger inverter output, Schmidt trigger phase inverter input end connects the second photoelectric coupled circuit output terminal respectively, the 3rd photoelectric coupled circuit output terminal and the 5th photoelectric coupled circuit output terminal, the second photoelectric coupled circuit input end connects 8 tunnel analog quantitys and second LED light respectively, the 3rd photoelectric coupled circuit input end connects 8 way switch amounts and the 3rd LED light respectively, the 5th photoelectric coupled circuit input end connects the RS485 interface circuit, second microprocessor connects LCD interface respectively, watchdog circuit, function button, memory circuitry output terminal and phase inverter, coding circuit is linkage function button and infrared remote control receiving circuit respectively, and the infrared remote control receiving circuit connects phase inverter.
The utlity model has following advantage:
1. realized down-hole switchgear building unmanned; Can reduce equipment failure in controlled quentity controlled variables such as switching value such as the analog quantity such as methane, wind speed, blast, carbon monoxide and temperature of ground monitoring, monitoring down-hole and feed condition, air duct switch, air door switch and smog and sound and light alarms; And can carry out continuous detecting to the parameter of important steps such as mine safety, production, and reach and predict equipment failure and other parameter informations in advance, fix a breakdown the soonest, realize automatic management; Can control in the control room, the yardman can monitor, analyze each analog quantity by system software, and the operation conditions of switching value and controlled quentity controlled variable is so that make correct resolution;
2. realize initialization of this machine and transmission, received functions such as demonstration; Can receive the order that the ground monitoring computing machine sends mining intrinsic safety type outstation; The order that the ground monitoring computing machine sends, each end device analog sensor of acquisition process, Boolean value output sensor, switching value equipment, and upload data, preserve to be provided with, to send control command, to preserve these information;
3. realized that revise in a mine distant place, setting protection parameter.The yardman can revise parameter by the button of telepilot or substation mainboard, and state parameter is searched reason for ex-post analysis after setting, and makes correct preventive measure;
4. automatic control, communication, computer technology, infotech and modern management technology combination have been realized, realized that the subsurface environment situation is uploaded to managerial personnel office by communication cable, realized aboveground and down-hole communication, accurately environment is made detection, mine production and statistics are done as a wholely to control and manage, optimal control and optimum management, help personal management, energy-saving and cost-reducing thereby improve production run situation, security level, the forecast of accident hazard prediction and production service management, improve safety in production; The foundation of analyzing and judging is provided, has guaranteed that order promptly and accurately assigns, operation exception faults such as () gas density are too high, and equipment, outage, warning, feed are unusual helps preventing accident, prevents that accident from enlarging and shortening time of casualty;
5. realized the data in the RS485 fieldbus of downhole monitoring sub-station equipment are gathered, format is handled and simultaneously data is transmitted storage, upload in the ground monitoring computing machine by information transmission interface, the ground monitoring computer generation is kept an eye on underground equipment for the people, and underground equipment is carried out real-time monitoring;
6. the function that has collection and show, and be provided with 8 road simulation volume sensors, and 8 way switch quantity sensors and 8 way switch amounts, properties of product are stable, volume is little, in light weight, the life-span long, easy for installation, be convenient to down-hole transportation and install, really realize the unattended automatic comprehensive management of mine.
Description of drawings
Fig. 1 is a kind of mining intrinsic safety type outstation structural representation.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 1, be a kind of mining intrinsic safety type outstation, comprise first microprocessor (89S52), second microprocessor (8255) and the 3rd microprocessor (W77E58), first microprocessor connects switching power circuit respectively, second microprocessor, the first optical coupling isolation circuit output terminal, watchdog circuit, latch output terminal and the 4th photoelectric coupled circuit output terminal, first optical coupling isolation circuit connects the first LED light negative pole, the 4th photoelectric coupled circuit output terminal connects 8 tunnel controlled quentity controlled variables and the 4th LED light respectively, the 3rd microprocessor connects watchdog circuit respectively, toggle switch, latch output terminal and Schmidt trigger inverter output, Schmidt trigger phase inverter input end connects the second photoelectric coupled circuit output terminal respectively, the 3rd photoelectric coupled circuit output terminal and the 5th photoelectric coupled circuit output terminal, the second photoelectric coupled circuit input end connects 8 tunnel analog quantitys and second LED light respectively, the 3rd photoelectric coupled circuit input end connects 8 way switch amounts and the 3rd LED light respectively, the 5th photoelectric coupled circuit input end connects the RS485 interface circuit, second microprocessor connects LCD interface respectively, watchdog circuit, function button, memory circuitry output terminal and phase inverter, coding circuit is linkage function button and infrared remote control receiving circuit respectively, and the infrared remote control receiving circuit connects phase inverter.Outstation selects for use the RS485 communication to support remote maintenance and monitoring; Is furnished with the liquid crystal Chinese-character display, sensor parameters, on off state and logout information that can display terminal; Can insert other equipment.
The utility model comprises the ground equipment of connecting: terrestrial information transmission interface, ground monitoring main frame and ground guest machine, the utility model separate unit can and connect 32 outstations.Ground transmission interface is mining transmission cable PUYVR31 to the transmission medium between the outstation, and outstation is mining 2 core LWA light wire armoured shielded cables to the transmission medium between the terminal protection device.Ground transmission interface between the outstation, the defeated speed of RS485 is 1200bps.
The liquid crystal display of the utility model mining intrinsic safety type outstation is divided into start and shows and data presentation, data presentation is mainly type of sensor that each passage connects and current measured value, the state of current control port and current switching value state and each display region information are as surveying the demonstration of period, sensor type, measured value, control mouth state and switching value status information.The type of each analog quantity and switching value can be set by the button in telepilot or the substation simultaneously, as press " function " button, enter function setting and select the interface, " parameter " and " curve " two arranged on this interface, can be by selecting by " increase " and " minimizing " moving cursor piece.By cursor piece content selected is the black matrix wrongly written or mispronounced character, not selected content then is a white gravoply, with black engraved characters, as the cursor piece being moved on to " parameter " option, and press " determining ", enter " parameter " current cursor in " analog quantity selection " by " increase " and " minimizing ".If the analog quantity type is set, press " determining ", cursor jumps on " 1 " under " analog quantity selection ", and the user can press " determining " and then enter the interface that is provided with of selected analog quantity by selecting to be provided with certain road analog quantity by " increases ", " minimizing ".If switching value is set, can press " determining " by making cursor jump to " switching value selection " by " increases ", " minimizing ", cursor jumps on " 1 " under " switching value selection ".Can then enter being provided with in the interface of switching value by " determining " this moment by selecting which way switch amount by " increase ", " minimizing ".If the user does not need to be provided with, can promptly withdraw from by " determining " by " cancellation " or by cursor being jumped on " determining " by " increase ", " minimizing ".
Show by LED and can observe whether operate as normal of mining intrinsic safety type outstation, after the outstation power supply, observing the top green indicating lamp from the substation watch window should be able to glimmer, if do not glimmer, whether the power supply wiring that should at first check substation is correct, after checking correctly, whether the output voltage values of measuring power supply again is correct, and normal voltage is between the 12V-18V.When transmission interface when substation sends order, no matter whether be the order at this station, the red led of substation below should glimmer, if do not glimmer, please check whether stay transmission cable connects, whether downgoing signal is arranged, if have, check whether voltage magnitude is enough high, and general voltage is about 2.3V, when substation when transmission interface sends data message, the green indicating lamp on the left side, below should glimmer.
The utility model mining intrinsic safety type outstation adopts the RS485 communication, RS485 utilizes the differential transfer mode to improve a kind of communication standard of communication distance and reliability, it uses 2 opposite polarity signal wires to send same signal TX+ at transmitting terminal, at receiving end the voltage signal on these two lines is subtracted each other and to obtain actual signal RX+, this mode can effective anti-common mode interference, improve communication distance, can transmit 1200m farthest, during the electrical equipment standard of RS485 when RS485 line idle (not transmitting signal), circuit be in high resistant (or hang up) state at this moment the RS485 circuit just can allow by other hold facilities, that is to say that the equipment with RS485 communication interface is linked to be network.According to the difference of RS485 chip for driving driving force, a RS485 data transmitting equipment can drive 32～256 RS485 data receivers.When the equipment on the RS485 network during more than 2, just must adopt half-duplex mode to communicate, be that data send and receive the same circuit of use, do not allow to receive the data entry-line during transmission, vice versa, only allowing an equipment in the RS485 network is main equipment, and all the other all are slave units; Perhaps do not have main equipment, obtain bus control right by transmitting token between each equipment.Because RS485 has plurality of advantages, now adopted in a large number, but ordinary PC seldom directly disposes the RS485 communication interface, then reaches in the substation at the RS485 signal, need become the RS232 signal to the RS485 conversion of signals by the digital conversion interfacing equipment.Carrying out communication by COM1 or COM2 serial ports between digital conversion interfacing equipment and built-in industrial control machine is connected.
During work, the voltage that 18V is provided by the power supply box of outside provides voltage through the voltage of switching power circuit output 5V to entire circuit.After powering on, each analog quantity is gathered in the 3rd little processing, and switching value is stored each analog quantity, switching value by latch.By toggle switch the branch station number is set simultaneously.First microprocessor acquisition controlling amount, reading analog quantity and switching value by latch. ground monitoring system sends to be called out if to the calling of this substation, then first microprocessor is preserved these information and is carried out corresponding operating, as return data, preserve to be provided with, to send control command etc. when substation is in data passback state, the pilot lamp flicker.Analog quantity, switching value, controlled quentity controlled variable mainly refer to external sensor.Analog acquisition has methane, gas, wind speed, temperature, carbon monoxide etc.Switching value mainly contains feed condition, fan switch, air door switch, smog etc.Controlled quentity controlled variable mainly is that methane concentration sound and light alarm and the outage/telegram in reply control etc. of transfiniting is arranged.The first microprocessor and second microprocessor by serial communication with analog quantity, switching value, controlled quentity controlled variable is by liquid crystal display.Show type of sensor that each passage connects and current measured value, the state of current control port and current switching value state, each display region information on the liquid crystal.Infrared remote control receiving circuit major function: to analog quantity, switching value, controlled quentity controlled variable is carried out long-range setting.Schmidt trigger inverter circuit major function: input signal is reverse.Memory circuitry major function: the information of storing each parameter information and having ordered.Coding circuit major function: function button is encoded.The watchdog circuit major function: the race that prevents program flies.Light lotus root buffer circuit major function: be used for isolation signals, make the requirement that reaches essential safety.The function button major function: to analog quantity, switching value, controlled quentity controlled variable is provided with.
According to field bus technique and related protocol, the data of on-site supervision substation are gathered in real time, be articulated on the bus by the parallel connection of RS485 technology, the RS232 conversion of signals is become the RS485 signal, by serial ports COM1 or COM2 the RS232 signal is transferred to information transmission interface, it is the TTL signal system with the RS232 conversion of signals that information transmission interface adopts conversion of signals, in information transmission interface, each substation is carried out collection in worksite, convert the RS485 signal system to 232 signal systems with serial mode and be transferred to computing machine.
The utility model possesses remote monitoring, monitoring function to subsurface environment; The input of each analog quantity, controlled quentity controlled variable output and switching value are possessed remote monitoring, function for monitoring, can gather each analog quantity port frequency values,, calculate and show each port sensor type, measured value, outage/telegram in reply state by the parameter information of setting; Gather each switching value port status,, show the state of each switching value port by the parameter information of setting; By main transmission cable the information that collects is sent to transmission interface; Have wind-powered electricity generation gas shutting function, can work alone; Have keyboard input and remote control input function, can revise the outstation parameter; Have analog quantity, switching value connection indication and control output deixis; Have data acquisition and Presentation Function; Have the communication deixis, be easy to find fault, easy to maintenance.Have methane transfinite at once outage and artificial power down function.
Claims (1)
1. mining intrinsic safety type outstation, it is characterized in that, comprise first microprocessor, second microprocessor and the 3rd microprocessor, first microprocessor connects switching power circuit respectively, second microprocessor, the first optical coupling isolation circuit output terminal, watchdog circuit, latch output terminal and the 4th photoelectric coupled circuit output terminal, first optical coupling isolation circuit connects the first LED light negative pole, the 4th photoelectric coupled circuit output terminal connects 8 tunnel controlled quentity controlled variables and the 4th LED light respectively, the 3rd microprocessor connects watchdog circuit respectively, toggle switch, latch output terminal and Schmidt trigger inverter output, Schmidt trigger phase inverter input end connects the second photoelectric coupled circuit output terminal respectively, the 3rd photoelectric coupled circuit output terminal and the 5th photoelectric coupled circuit output terminal, the second photoelectric coupled circuit input end connects 8 tunnel analog quantitys and second LED light respectively, the 3rd photoelectric coupled circuit input end connects 8 way switch amounts and the 3rd LED light respectively, the 5th photoelectric coupled circuit input end connects the RS485 interface circuit, second microprocessor connects LCD interface respectively, watchdog circuit, function button, memory circuitry output terminal and phase inverter, coding circuit is linkage function button and infrared remote control receiving circuit respectively, and the infrared remote control receiving circuit connects phase inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202085945U CN201331693Y (en) | 2008-12-30 | 2008-12-30 | Mine intrinsically safe monitoring substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202085945U CN201331693Y (en) | 2008-12-30 | 2008-12-30 | Mine intrinsically safe monitoring substation |
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| Publication Number | Publication Date |
|---|---|
| CN201331693Y true CN201331693Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202085945U Expired - Lifetime CN201331693Y (en) | 2008-12-30 | 2008-12-30 | Mine intrinsically safe monitoring substation |
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| Country | Link |
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| CN (1) | CN201331693Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976076A (en) * | 2010-11-30 | 2011-02-16 | 重庆梅安森科技股份有限公司 | MCU-based mining automatic control system |
-
2008
- 2008-12-30 CN CNU2008202085945U patent/CN201331693Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976076A (en) * | 2010-11-30 | 2011-02-16 | 重庆梅安森科技股份有限公司 | MCU-based mining automatic control system |
| CN101976076B (en) * | 2010-11-30 | 2012-06-27 | 重庆梅安森科技股份有限公司 | MCU-based mining automatic control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Electro-optical Explosion-proof Electric (Suzhou) Co., Ltd. Assignor: Electro-Optic Explosion-Proof Technology (Shanghai) Co.,Ltd. Contract record no.: 2011340000009 Denomination of utility model: Mine intrinsically safe monitoring substation Granted publication date: 20091021 License type: Exclusive License Record date: 20110309 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |
|
| CX01 | Expiry of patent term |