CN101936301A - Automatic operation control device of tunnel ventilator - Google Patents
Automatic operation control device of tunnel ventilator Download PDFInfo
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- CN101936301A CN101936301A CN2010102712182A CN201010271218A CN101936301A CN 101936301 A CN101936301 A CN 101936301A CN 2010102712182 A CN2010102712182 A CN 2010102712182A CN 201010271218 A CN201010271218 A CN 201010271218A CN 101936301 A CN101936301 A CN 101936301A
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Abstract
The invention discloses an automatic operation control device of a tunnel ventilator, which aims to exhaust harmful gas and automatically supply enough fresh air to a working face at the same time. The automatic operation control device of the tunnel ventilator comprises a gas transmitter, an analog quantity collection module, a programmable logic controller (PLC), a frequency converter, an optical transceiver and a transmission optical cable, wherein the model of the analog quantity collection module is HW-S04AI024N; the model of the PLC is HW-E16ZS220R; the gas transmitter comprises a CO transmitter, a NO transmitter, a temperature transmitter and a powder transmitter; the power of the frequency converter is 20 to 30KW higher than that of a ventilator motor; the optical transceiver is a single-path dual-way data optical transceiver, and each pair of optical transceiver comprises an optical sender and an optical receiver; and the optical sender is connected with the analog quantity collection module through an RS485 interface, while the optical receiver is connected with the PLC through the RS485 interface.
Description
Technical field
The present invention relates to the automatic operating control device of a kind of tunnel fan.
Background technique
The tunnel is the environment very severe in the excavation construction process, produces CO, CH in the construction
4, harmful gas such as dust, nitrogen oxide, when its concentration reaches certain numerical value, will cause serious harm, even can cause the serious consequence of personnel's death by suffocation health.Concentration limit to various harmful gases in the tunnel construction standard all has requirement, in time efficiently various harmful gases is discharged, and it is very important simultaneously the fresh air of capacity being sent into the tunnel.In traditional construction ventilation of tunnel, the adjusting of ventilator has a variety of, as ventilator throttling adjusting, movable vane regulate, the change level adjusting of motor etc., all be difficult to realization working environment is controlled in real time, energy can not be fully utilized.The start-stop control of existing various construction tunnel ventilators will come manually-operable to finish by the operator on duty basically.If there are indivedual operators on duty not respect work, just might make ventilator perhaps not cause the excess waste electric energy needing action opportune moment of start-stop, perhaps cause tunnel environment to worsen.
Summary of the invention
The object of the invention is exactly the deficiency that overcomes above-mentioned prior art, provides a kind of in efficient and energy-conservation exhaling pernicious gases, and the capacity fresh air can be sent into automatically the automatic operating control device of tunnel fan of working surface again.
The present invention includes gas transmitter, analogue collection module, PLC programmable controller, frequency variator, optical terminal and transmission cable.The model of analogue collection module is HW-S04AI024N, gathers the analog signals from gas transmitter.Gas transmitter comprises the CO transmitter, the NO transmitter, and temperature transmitter and dust transmitter can and be converted into analog signals with various harmful gas collections.The model of PLC programmable controller is HW-E16ZS220R, it will be handled from the analog signals of module HW-S04AI024N, according to the gas concentration signal that this module provides frequency variator is given an order, select suitable section speed to start the ventilator operation, thereby make ventilator provide suitable air quantity, and then energy efficient again when realize guaranteeing the working environment of working surface according to gas concentration.Frequency variator is under the situation that guarantees the original performance of motor, by the frequency of supply of change motor and the mode of voltage, realizes the adjusting of motor speed.It can according to the different loads of motor realize respectively energy-conservation, enhance productivity, improve the quality of products, realize automation etc.It is fixed that the power type selecting of frequency variator will be come according to the power of fan motor.General, transducer power is than the big 20～30kW of power of fan motor.Optical terminal is a single channel bi-directional data optical terminal, utilizes optical fiber very little to the decay of signal, adopts optical terminal and optical cable to make and realizes that transmission at a distance and control become possibility.
Every pair of optical terminal comprises respectively one of optical sender and photoreceiver; Optical sender is connected with analogue collection module by the RS485 interface, the analog signals that collects is arrived the photoreceiver of far-end by Optical Fiber Transmission, photoreceiver is connected with PLC by the RS485 interface, give PLC with analog signals, PLC sends startup command to frequency variator, by the ventilator work of frequency variator startup, to satisfy requirement to environment on coalface far away from the working surface scene.It is far away that optical terminal can transfer to signal 20km at least, and general tunnel construction does not far reach 20km, satisfies the requirement that system adjusts the distance.
Gas transmitter has two kinds of two-wire system and three-wire systems, CO transmitter and temperature transmitter are two-wire systems, its E+ meets analogue collection module+24V respectively, the 24V that gets respectively as the power supply of two transmitters, its E-is respectively the signal output of two transmitters, be connected to the AI0V and the AI2V of analogue collection module respectively, the AI0V of analogue collection module and AI2V respectively with AI0I and AI2I short circuit, gather analog signals respectively from two transmitters; Dust transmitter and NO transmitter are three-wire systems, its E+ meets analogue collection module+24V respectively, its E-meets the 0V of analogue collection module respectively, the 24V that gets respectively as the power supply of two transmitters, its I0 is respectively the signal output of two transmitters, be connected to the AI1V and the AI3V of analogue collection module respectively, the AI1V of analogue collection module and AI3V respectively with AI1I and AI3I short circuit, gather analog signals respectively from two transmitters.A+, the B-of the RS485 interface of analogue collection module is connected with A+, the B-of the RS485 interface of optical sender respectively, the analog signals that collects is sent to the PLC of far-end by optical fiber, realizes that for final the work of remote full-automatic control ventilator provides the control foundation.
Be connected with TP300, optical terminal and frequency variator etc. on the PLC.Wherein, TP300 is the text display panel of PLC, and its 24V power supply is taken from the 24V of PLC, its 24V and 0V be connected respectively PLC+24V and 0V; A+, the B-of the RS485 interface of photoreceiver is connected with A+, the B-of the RS485 interface of PLC respectively, and the analog signals of self simulation amount acquisition module is delivered to PLC in the future; The Y0 of PLC, Y1, Y2, Y3 connect a plurality of sections speed 1,2,3,4 of frequency variator respectively, the gas concentration signal that provides according to analogue collection module sends select command to frequency variator respectively, frequency variator starts the corresponding rotating speed of ventilator simultaneously, the final full-automation control that realizes remote to ventilator wind speed air quantity.
The construction ventilation of tunnel system is a kind of non-linear, multiple coupled, many EVAC (Evacuation Network Computer Model), is subjected to the restriction of multiple environmental factor, is difficult to set up precise math model, uses the control effect that traditional control theory difficulty obtains.And fuzzy control technology is a kind of intelligent control system, and it does not need to set up the accurate model of control system, so system design adopts fuzzy control technology to realize the regulating and controlling of ventilation system.According to the main harmful gas in the general tunnel construction, establish gas transmitter at the work surface scene respectively, as the CO transmitter, the NO transmitter, temperature transmitter, dust transmitters etc. are provided with concentration gradient to these several gases respectively in fuzzy control rule, and adopt the relation of logic OR to carry out logical operation.When the concentration of any gas wherein whenever reached predefined concentration gradient value, control signal will send order to frequency conversion control unit, starts ventilator.Along with the increase of gas concentration, the frequency of ventilator operation can be more and more higher, and air quantity will be increasing, otherwise along with the reduction of gas concentration, the frequency of ventilator operation can be more and more lower, and air quantity also can be more and more littler, really reaches the target of energy-saving and frequency-variable.The present invention can realize the unmanned of ventilator control substantially, only needs periodical repair to get final product.In efficient and energy-conservation exhaling pernicious gases, the capacity fresh air can be sent into working surface, satisfy the construction demand under the rugged environment in the tunnel excavation process.
Description of drawings
Fig. 1 is a system architecture schematic representation of the present invention.
Fig. 2 is the connection diagram of gas transmitter of the present invention and analogue collection module and optical terminal.
Fig. 3 is the line graph of optical terminal of the present invention and frequency variator and ventilator.
Among the figure: 1, CO transmitter, 2, the dust transmitter, 3, temperature transmitter, 4, the NO transmitter, 5, air duct, 6, ventilator, 7, frequency variator, 8, photoreceiver, 9, optical sender, 10, analogue collection module, 11, the PLC programmable controller, 12, optical fiber.
Concrete performance
Gas transmitter also comprises CH
4Transmitter.In the practice of construction, generally be to select wherein certain several gas as tested object according to tunnel actual environment situation.
According to the tunnel construction code requirement, the measurement range selection of several gas transmitters is as follows:
CO transmitter (1): 0～1000ppm (electrochemical sensor, output current 4mA～20mA ,-10 ℃～60 ℃);
NO transmitter (4): 0～200ppm (electrochemical sensor, output current 4mA～20mA, ambient temperature-10 ℃～80 ℃, relative moisture≤90%);
Temperature transmitter (3): 0～80 ℃ (temperature transducer, output current 4mA～20mA);
Dust transmitter (2): 0～8.8 thousand/liter (more than the particle diameter 1 μ m, output current 4mA～20mA, ambient temperature-10 ℃～60 ℃, relative moisture≤90%);
The CH4 transmitter, and 0～100%LEL (electrochemical sensor, output current 4mA～20mA, the output of high and low warning double switch amount: the low 25%LEL that report, height is reported 50%LEL, ambient temperature-10 ℃～60 ℃).
Optical terminal (8,9) but signals such as transmission of video, audio frequency and data, divide unidirectional and transmitted in both directions, single channel and multiplex, the present invention only needs the transmission of one line data, but owing to need to send mutually signal between PLC programmable controller (11) and the analogue collection module (10), so select single channel bi-directional light terminal for use.
Select frequency variator (7) power according to ventilator (6) power of motor, specifically see the following form:
Claims (5)
1. the automatic operating control device of tunnel fan is characterized in that comprising gas transmitter, analogue collection module, PLC programmable controller, frequency variator, optical terminal and transmission cable; The model of analogue collection module is HW-S04AI024N; The model of PLC programmable controller is HW-E16ZS220R; Gas transmitter comprises the CO transmitter, NO transmitter, temperature transmitter and dust transmitter; Transducer power is than the big 20～30KW of fan motor power; Optical terminal is a single channel bi-directional data optical terminal, and every pair of optical terminal comprises respectively one of optical sender and photoreceiver; Optical sender is connected with analogue collection module by the RS485 interface, analog signals is arrived the photoreceiver of far-end by Optical Fiber Transmission, photoreceiver is connected with PLC by the RS485 interface, give PLC with analog signals, PLC sends startup command to frequency variator, by the ventilator work of frequency variator startup far away from the working surface scene; CO transmitter and temperature transmitter are two-wire systems, its E+ meets analogue collection module+24V respectively, the 24V that gets respectively as the power supply of two transmitters, its E-is respectively the signal output of two transmitters, be connected to the AI0V and the AI2V of analogue collection module respectively, the AI0V of analogue collection module and AI2V respectively with AI0I and AI2I short circuit, gather analog signals respectively from two transmitters; Dust transmitter and NO transmitter are three-wire systems, its E+ meets analogue collection module+24V respectively, its E-meets the 0V of analogue collection module respectively, the 24V that gets respectively as the power supply of two transmitters, its I0 is respectively the signal output of two transmitters, be connected to the AI1V and the AI3V of analogue collection module respectively, the AI1V of analogue collection module and AI3V respectively with AI1I and AI3I short circuit, gather analog signals respectively from two transmitters; A+, the B-of the RS485 interface of analogue collection module is connected with A+, the B-of the RS485 interface of optical sender respectively, the analog signals that collects is sent to the PLC of far-end by optical fiber; Be connected with TP300, optical terminal and frequency variator on the PLC; TP300 is the text display panel of PLC, and its 24V power supply is taken from the 24V of PLC, its 24V and 0V be connected respectively PLC+24V and 0V; A+, the B-of the RS485 interface of photoreceiver is connected with A+, the B-of the RS485 interface of PLC respectively, and the analog signals of self simulation amount acquisition module is delivered to PLC in the future; The Y0 of PLC, Y1, Y2, Y3 connect a plurality of sections speed 1,2,3,4 of frequency variator respectively, and the gas concentration signal that provides according to analogue collection module sends select command to frequency variator respectively.
2. the automatic operating control device of tunnel fan as claimed in claim 1, the range that it is characterized in that the CO transmitter is 0～1000ppm.
3. the automatic operating control device of tunnel fan as claimed in claim 1, the range that it is characterized in that the NO transmitter is 0～200ppm.
4. the automatic operating control device of tunnel fan as claimed in claim 1, the range that it is characterized in that temperature transmitter is 0～80 ℃.
5. the automatic operating control device of tunnel fan as claimed in claim 1, the range that it is characterized in that the dust transmitter are 0～8.8 thousand/liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102712182A CN101936301A (en) | 2010-08-31 | 2010-08-31 | Automatic operation control device of tunnel ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102712182A CN101936301A (en) | 2010-08-31 | 2010-08-31 | Automatic operation control device of tunnel ventilator |
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| CN101936301A true CN101936301A (en) | 2011-01-05 |
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| CN2010102712182A Pending CN101936301A (en) | 2010-08-31 | 2010-08-31 | Automatic operation control device of tunnel ventilator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322282A (en) * | 2011-06-17 | 2012-01-18 | 清华大学 | Exhaust and dust removal complete equipment for underground engineering |
| CN102339055A (en) * | 2011-09-27 | 2012-02-01 | 深圳市全智聚能科技有限公司 | Traffic energy management and control method and system |
| CN103439914A (en) * | 2013-08-31 | 2013-12-11 | 中铁隧道集团有限公司 | Intelligent shield secondary ventilation control device |
| CN107269307A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Tunnel ventilation system |
| CN107269306A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Double hole highway tunnel construction ventilating systems |
| CN111545547A (en) * | 2020-05-19 | 2020-08-18 | 青岛铭宏智能装备科技有限公司 | Novel dust removal equipment |
| CN117090636A (en) * | 2023-03-06 | 2023-11-21 | 中交基础设施养护集团宁夏工程有限公司 | Intelligent control and configuration optimization method for ventilation energy conservation of extra-long tunnel |
| CN118188556A (en) * | 2024-05-17 | 2024-06-14 | 河南豫昶建设工程有限公司 | Tunnel fan remote monitoring system |
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| JP2005048641A (en) * | 2003-07-28 | 2005-02-24 | Boc Edwards Kk | Vacuum pump control device and vacuum pump device |
| CN201039056Y (en) * | 2007-04-02 | 2008-03-19 | 赵东武 | Intelligent power-saving device for controllable multiple wind blower/water pump |
| KR100818618B1 (en) * | 2006-05-09 | 2008-04-02 | 유한회사 훌로우하이텍 | Module for ventilator control |
| CN201347874Y (en) * | 2009-02-05 | 2009-11-18 | 重庆贻科科技有限公司 | Fan energy-saving control system |
| CN201851384U (en) * | 2010-08-31 | 2011-06-01 | 中铁隧道集团有限公司 | Automatic operation control device of tunnel ventilator |
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2010
- 2010-08-31 CN CN2010102712182A patent/CN101936301A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005048641A (en) * | 2003-07-28 | 2005-02-24 | Boc Edwards Kk | Vacuum pump control device and vacuum pump device |
| KR100818618B1 (en) * | 2006-05-09 | 2008-04-02 | 유한회사 훌로우하이텍 | Module for ventilator control |
| CN201039056Y (en) * | 2007-04-02 | 2008-03-19 | 赵东武 | Intelligent power-saving device for controllable multiple wind blower/water pump |
| CN201347874Y (en) * | 2009-02-05 | 2009-11-18 | 重庆贻科科技有限公司 | Fan energy-saving control system |
| CN201851384U (en) * | 2010-08-31 | 2011-06-01 | 中铁隧道集团有限公司 | Automatic operation control device of tunnel ventilator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322282A (en) * | 2011-06-17 | 2012-01-18 | 清华大学 | Exhaust and dust removal complete equipment for underground engineering |
| CN102339055A (en) * | 2011-09-27 | 2012-02-01 | 深圳市全智聚能科技有限公司 | Traffic energy management and control method and system |
| CN103439914A (en) * | 2013-08-31 | 2013-12-11 | 中铁隧道集团有限公司 | Intelligent shield secondary ventilation control device |
| CN103439914B (en) * | 2013-08-31 | 2016-08-24 | 中铁隧道集团有限公司 | Shield twice aeration intelligent controlling device |
| CN107269307A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Tunnel ventilation system |
| CN107269306A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Double hole highway tunnel construction ventilating systems |
| CN111545547A (en) * | 2020-05-19 | 2020-08-18 | 青岛铭宏智能装备科技有限公司 | Novel dust removal equipment |
| CN117090636A (en) * | 2023-03-06 | 2023-11-21 | 中交基础设施养护集团宁夏工程有限公司 | Intelligent control and configuration optimization method for ventilation energy conservation of extra-long tunnel |
| CN118188556A (en) * | 2024-05-17 | 2024-06-14 | 河南豫昶建设工程有限公司 | Tunnel fan remote monitoring system |
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Application publication date: 20110105 |