CN201896625U - Energy conservation and safety control system of mining fan - Google Patents
Energy conservation and safety control system of mining fan Download PDFInfo
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- CN201896625U CN201896625U CN2010206211569U CN201020621156U CN201896625U CN 201896625 U CN201896625 U CN 201896625U CN 2010206211569 U CN2010206211569 U CN 2010206211569U CN 201020621156 U CN201020621156 U CN 201020621156U CN 201896625 U CN201896625 U CN 201896625U
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- conservation
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- blower fan
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Abstract
The utility model relates to an energy conservation and safety control system of a mining fan. The energy conservation and safety control system comprises a gas sensor, a pressure sensor, a transmitter, a wireless transmission module, a singlechip, a frequency controller and a harmonic wave control unit, wherein the gas sensor and the pressure sensor are respectively connected with the transmitter; the transmitter is connected with the wireless transmission module; the wireless transmission module is in wireless connection with an input terminal of the singlechip; an output terminal of the singlechip is connected with a frequency regulator; and the harmonic wave control unit is connected with the frequency regulator. The utility model provides the energy conservation and safety control system for a mining fan, which transmits acquired signal data in a real-time manner to a control center. The system has the advantages of convenience for installation, high accuracy rate, automatic operation, intelligent control, and easiness for state switching, thereby appropriately achieving the effects of energy conservation and safety.
Description
Technical field
The utility model belongs to electric field, electronic computer field, relates to a kind of blower fan control system, the energy-conservation and safety control system of especially a kind of colliery blower fan.
Background technology
For a long time, the quantity of gas accident is occupied very high ratio in the coal mining accident sum.Gas is that a kind of harmful gas common under the coal mine is biogas again, is tasteless, the inflammable and explosive gas of a kind of no color or smell.It is attached in the coal seam at ordinary times, can come out by automatic bulk storage in the seam mining process.When gas density acquires a certain degree in the air, have under the situation of naked light and will blast, and concentration to be 9.5% o'clock brisance maximum, destructiveness is the strongest.Can produce high temperature, high pressure, shock wave during gas explosion and give off poisonous gas.In order to reduce and to avoid gas accident,, must be provided for the blower fan and the blower fan control system of exhausting and pressure wind at the air outlet place in colliery according to the requirement of relevant safety code.
At present, in the existing technology, the transfer of data in the blower fan control system adopts wire transmission more.Because circumstance complication in the mine, the installation difficulty of holding wire is big.The open degree of blower fan baffle plate is artificially to judge control according to the degree of depth of mine and the number that enters, and rush of current is big during device start, and power consumption is big, influences the consumer on power grid quality and the electrical network simultaneously, manually-operated, and safety is low.In addition, fan operation state handover operation complexity when needing in the mine that the exhausting state is switched to when pressing the wind state, need stop to close behind the blower fan exhausting circle cutter of former electrical distribution system earlier again, lifts then and presses the circle cutter of wind to restart blower fan.Whole process is complicated, and no margin for error, otherwise can cause security incident.Therefore be necessary to develop a kind of novel blower fan control system, make it possess transmission of wireless signals, easy for installation, can move automatically, Based Intelligent Control, state switches simple, and the effect of energy-saving safety.
Summary of the invention
The utility model proposes a kind of transmission of wireless signals that possesses at prior art problems, and is easy for installation, can move automatically, and Based Intelligent Control, state switches simple, and the energy-conservation and safety control system of colliery blower fan of energy-saving safety.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Energy-conservation and the safety control system of a kind of colliery blower fan described in the utility model, comprise firedamp sensor, pressure sensor, transmitter, wireless transport module, simulation data-converting block, single-chip microcomputer, frequency controller, harmonic wave control module and Forced draught blower, described firedamp sensor, pressure sensor are electrically connected with described transmitter respectively; Described transmitter is used for converting concentration and force value that firedamp sensor and pressure sensor collect to the normalized current signal, described transmitter and described simulation data-converting block be connected; Described simulation data-converting block data signal that the normalized current analog signal conversion is become to quantize, described simulation data-converting block be connected with described wireless transport module; The input wireless connections of described wireless transport module and described single-chip microcomputer, described wireless transport module are used for sending the signal of transmitter conversion to single-chip microcomputer by wireless; Described single-chip microcomputer is used for handling calculating and receives concentration and force value data, and the output of described single-chip microcomputer is connected with described frequency controller; Described harmonic wave control module is used for suppressing the interference of circuit harmonic wave to weak electric signal, when reducing device start simultaneously to the impact of electrical network.Described harmonic wave control module is electrically connected with described frequency controller, and described harmonic wave control module is connected with Forced draught blower respectively with described frequency controller.
More specifically, described firedamp sensor and pressure sensor are installed on the diverse location in the mine, be respectively applied for real-time gas density and the air pressure value surveyed in the mine everywhere, described transmitter with sensor acquisition to concentration and the force value standard electric signal that is converted to 420mA.
Further, the signal that described wireless transport module is sent transmitter here sends to by wireless and is arranged on peripheral single-chip microcomputer, need not draw transmission cable, and described wireless transport module is the wireless transport module that adopts based on the ZIGBEE agreement.
More specifically, described single-chip microcomputer compares and calculates and handle everywhere concentration and force value data in the mine that receives, and the running frequency of controlled frequency controller, makes the rotating speed operation of blower fan with optimum, realize energy-conservation and automatic control, described single-chip microcomputer is the ATMEGA8L-8AU single-chip microcomputer.
Further, described frequency controller also is provided with steering module, described steering module is used to control the forward rotation backward rotation of Forced draught blower, only by simply just change, invert button can the realization state conversion, need not to operate high tension apparatus such as circle cutter, reduced the incidence of accident well.
Further, described frequency controller also connects free switch, is electrically connected with the three-phase alternating current electrical network by the sky switch.
Further, described frequency controller also is connected with A.C. contactor, is electrically connected with Forced draught blower by A.C. contactor.
Further, described Forced draught blower also is connected with the bypass power distribution circuit, described bypass power distribution circuit is by the operation contactor, thermal relay and sky switch are formed, Forced draught blower and thermal relay, the operation contactor, the sky switch is linked in sequence successively, and Forced draught blower is electrically connected with the three-phase alternating current electrical network by the bypass power distribution circuit.
A kind of colliery described in the utility model blower fan is energy-conservation with operating principle safety control system to be: firedamp sensor and pressure sensor are responded to gas density and the air pressure value in the mine respectively in real time, by transmitter export corresponding current analog signal send to simulation data-converting block.Simulation data-converting block the data signal of being convenient to Computer Processing that these analog signal conversion become to quantize is sent to wireless transport module again, wireless transport module is outwards launched with the form of wireless signal again.Then, single-chip microcomputer receives the signal data that each wireless transport module sends by radio receiving unit, by relatively drawing optimum rotation speed of fan and corresponding running frequency after the computing, and defeated this frequency that runs to of controlled frequency controller, thereby the air quantity of realizing blower fan is realized working condition requirement according to the function that the gas density and the well inner air pressure value of mine automatically adjusts.In addition, can produce shock wave and humorous wave interference when device start and frequency shift, the harmonic wave control module is connected with frequency controller, can suppress the humorous wave interference in the circuit effectively and equipment is at the uniform velocity started, and guarantees power grid quality.
Advantage of the present utility model is: provide a kind of colliery blower fan energy-conservation and safety control system, the signal data that sensor will be gathered in real time is transferred to control centre by wireless mode, and environmental suitability is strong and easy for installation; System can move automatically, single-chip microcomputer deal with data and Based Intelligent Control, and data query is convenient and accuracy rate is high; Fan condition switches simple, and running frequency is controlled automatically, reaches effect energy-conservation and safety well.
Description of drawings
Fig. 1 is the energy-conservation composition block diagram with safety control system of a kind of colliery described in the utility model blower fan;
Fig. 2 is the energy-conservation circuit theory schematic diagram with safety control system of a kind of colliery described in the utility model blower fan.
The specific embodiment
As shown in Figure 1, the energy-conservation composition with safety control system of a kind of colliery blower fan, comprise firedamp sensor, pressure sensor, transmitter, simulation data-converting block, wireless transport module, single-chip microcomputer, frequency controller, harmonic wave control module and Forced draught blower, firedamp sensor and pressure sensor are electrically connected with transmitter respectively; Transmitter and simulation data-converting block, wireless transport module be linked in sequence successively; The input wireless connections of wireless transport module and described single-chip microcomputer; The output of single-chip microcomputer is connected with described frequency controller; The harmonic wave control module is electrically connected with frequency controller.For easy to use, on frequency controller, also be provided with steering module, and be provided with the corresponding invert button of just changeing, by making blower fan realize forward or reverse to corresponding gear, wireless transport module adopts the wireless transport module based on the ZIGBEE host-host protocol with knob.
As shown in Figure 2, blower fan energy-conservation circuit theory diagrams with safety control system in a kind of colliery comprise energy-conservation and safety control circuit and bypass power distribution circuit.Energy-conservation and safety control circuit comprises transmitter, wireless transport module, single-chip microcomputer, frequency controller, harmonic wave control module, A.C. contactor, sky switch.Transmitter is connected with wireless transport module, wireless transport module is connected by wireless signal with radio receiving unit, radio receiving unit is connected with the single-chip microcomputer input, the single-chip microcomputer output is connected with frequency controller, the harmonic wave control module is connected with frequency controller, Forced draught blower and A.C. contactor, frequency controller, sky switch are linked in sequence successively, and the sky switch is connected with the three-phase alternating current electrical network; The bypass power distribution circuit is by thermal relay, and operation contactor and sky switch are formed, Forced draught blower and thermal relay, and the operation contactor, the sky switch is linked in sequence successively, and the sky switch is connected with the three-phase alternating current electrical network.When energy-conservation and safety control circuit device fails, disconnecting the sky switch can cut off power supply easily, and convenient for maintaining uses the bypass power distribution circuit to guarantee the normal operation of blower fan, the realization bypass functionality with switching to.
Claims (7)
1. the energy-conservation and safety control system of colliery blower fan is characterized in that, comprises firedamp sensor, pressure sensor, transmitter, Mo Ni data-converting block, wireless transport module, single-chip microcomputer, frequency controller, harmonic wave control module and Forced draught blower;
Described firedamp sensor, pressure sensor are electrically connected with described transmitter respectively;
Described transmitter, simulation data-converting block, wireless transport module be electrically connected in proper order;
The input wireless connections of described wireless transport module and described single-chip microcomputer;
The output of described single-chip microcomputer is electrically connected with described frequency controller and harmonic wave control module respectively;
Described harmonic wave control module is electrically connected with described frequency controller;
Described harmonic wave control module is connected with Forced draught blower respectively with described frequency controller.
2. the energy-conservation and safety control system of a kind of colliery blower fan according to claim 1 is characterized in that described frequency controller also is provided with steering module.
3. the energy-conservation and safety control system of a kind of colliery blower fan according to claim 1 and 2 is characterized in that, described frequency controller also connects free switch, is electrically connected with the three-phase alternating current electrical network by the sky switch.
4. the energy-conservation and safety control system of a kind of colliery blower fan according to claim 3 is characterized in that described frequency controller also is connected with A.C. contactor, is electrically connected with Forced draught blower by A.C. contactor.
5. the energy-conservation and safety control system of a kind of colliery blower fan according to claim 4 is characterized in that described Forced draught blower also is connected with the bypass power distribution circuit, and described bypass power distribution circuit is that thermal relay and sky switch are formed by the operation contactor; Described Forced draught blower and thermal relay, the operation contactor, the sky switch is linked in sequence successively; Forced draught blower is electrically connected with the three-phase alternating current electrical network by the bypass power distribution circuit.
6. the energy-conservation and safety control system of a kind of colliery blower fan according to claim 5 is characterized in that described wireless transport module is based on the wireless transport module of ZIGBEE agreement.
7. the energy-conservation and safety control system of a kind of colliery blower fan according to claim 6 is characterized in that described single-chip microcomputer is the ATMEGA8L-8AU single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206211569U CN201896625U (en) | 2010-11-24 | 2010-11-24 | Energy conservation and safety control system of mining fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206211569U CN201896625U (en) | 2010-11-24 | 2010-11-24 | Energy conservation and safety control system of mining fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896625U true CN201896625U (en) | 2011-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206211569U Expired - Fee Related CN201896625U (en) | 2010-11-24 | 2010-11-24 | Energy conservation and safety control system of mining fan |
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| Country | Link |
|---|---|
| CN (1) | CN201896625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321933A (en) * | 2013-05-22 | 2013-09-25 | 北京工业大学 | Fan state online monitoring system and method based on advanced reduced instruction-set computer machine (ARM) and ZigBee |
| CN105765470A (en) * | 2013-11-13 | 2016-07-13 | 皮尔茨公司 | Safety control system having configurable inputs |
-
2010
- 2010-11-24 CN CN2010206211569U patent/CN201896625U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321933A (en) * | 2013-05-22 | 2013-09-25 | 北京工业大学 | Fan state online monitoring system and method based on advanced reduced instruction-set computer machine (ARM) and ZigBee |
| CN105765470A (en) * | 2013-11-13 | 2016-07-13 | 皮尔茨公司 | Safety control system having configurable inputs |
| CN105765470B (en) * | 2013-11-13 | 2020-01-14 | 皮尔茨公司 | Security control system with configurable input |
| US10558189B2 (en) | 2013-11-13 | 2020-02-11 | Pilz Gmbh & Co. Kg | Safety control system having configurable inputs |
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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: 20110713 Termination date: 20141124 |
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| EXPY | Termination of patent right or utility model |