CN2687343Y - Pneumatic-electric gas comprehensive protection device - Google Patents
Pneumatic-electric gas comprehensive protection device Download PDFInfo
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- CN2687343Y CN2687343Y CN 200420030730 CN200420030730U CN2687343Y CN 2687343 Y CN2687343 Y CN 2687343Y CN 200420030730 CN200420030730 CN 200420030730 CN 200420030730 U CN200420030730 U CN 200420030730U CN 2687343 Y CN2687343 Y CN 2687343Y
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- gas
- power
- booster
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Abstract
The utility model discloses a pneumatic-electric gas comprehensive protection device. The input end of a control unit of a local ventilator is connected with the electric source of the local ventilator. The output end of the control unit is connected with the local ventilator. The input end of a power control unit is connected with a power electric source. The output end of the power control unit is connected with a power load. A gas monitoring unit is connected with a fitting methane transducer. The signals of three control units are input to a logic unit for converting the mode of operation and controlling the local ventilator and the gas. The instruction sent by the logic unit is input to the power control unit and the control unit of the local ventilator. The units are respectively arranged in a shell with a plurality of cavities. The pneumatic-electric gas comprehensive protection device of the utility model has the advantages of simple structure, full functions, easy installation and use, low failure rate, convenient repair, low cost, safety, and reliability.
Description
Technical field: the utility model relates to the supervising device that a kind of colliery is used, especially a kind of driving face, the wind-powered electricity generation gas comprehensive protector that coal-face power supply and relevant gas-monitoring, lock between air and electricity and electric fault are protected.
Background technology: at present, booster power switch, electrical source of power gauge tap and gas cutoff instrument are three kinds of separate equipment.Applying unit must connect with cable, could realize the relevant requirements of wind-powered electricity generation, gas electric locking, because be subjected to the restriction of wiring terminal quantity, " safety regulations in coal mine " some requirement still can not realize.
Applying unit is because wiring bothers, and particularly colliery, some areas can not connect, and has perhaps forgotten connection, can not realize the requirement of wind-powered electricity generation, gas shutting, causes the generation of gas explosion accident.
Summary of the invention: in order to solve the problem of above-mentioned existence, the utility model provide a kind of simple in structure, perfect in shape and function, easy to install and use, fault rate is low, easy to maintenance, wind-powered electricity generation gas comprehensive protector that cost is low, safe and reliable.
Concrete scheme is as follows: a kind of wind-powered electricity generation gas comprehensive protector is characterized in that: the input of booster control module is connected with the booster power supply, and output is connected with booster; The input of power control unit is connected with electrical source of power, and output is connected with line load; The gas-monitoring unit with connect methane transducer and be connected; The signal of three control modules is input to operating type conversion and blower fan, gas control logic unit, sends instruction by this unit and inputs to power control unit and booster control module, and said units is separately positioned in the housing that is provided with individual cavity.
Compare with prior art, the utility model adopts said structure, gas-monitoring unit, power unit, booster control module are organically combined by TCU transfer control unit, finish driving face, coal-face, three kinds of operating types of firedamp drainage operation, and reach " safety regulations in coal mine " relevant requirements to gas, blower fan, improve the reliability of coal-face, driving face safety in production, in addition, this product have simple in structure, easy to install, fault rate is low, easy to maintenance, advantage that cost is low.
Description of drawings: the utility model is described in detail below in conjunction with accompanying drawing.
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Specific embodiment:
As shown in Figure 1, a kind of wind-powered electricity generation gas comprehensive protector, the input of booster control module is connected with the booster power supply, and output is connected with booster; The input of power control unit is connected with electrical source of power, and output is connected with line load; The gas-monitoring unit with connect methane transducer and be connected; The signal of three control modules is input to operating type conversion and blower fan, gas control logic unit, sends instruction by this unit and inputs to power control unit and booster control module, and said units is separately positioned in the housing that is provided with multi-cavity.
As shown in Figure 2, FL
1, FL
2, FL
3, be three input terminals of booster control power subsystem, 1HK is the isolating switch of booster power supply and gas-monitoring unit.By transformer b power supply 380V (660V) is converted to 36V and 32V.36V is the operation control power supply of booster and power; 32V is the gas-monitoring AC power.
Behind closed one minute of the 1HK, the gas-monitoring unit is normal, contact T
1～3, T
3Closure can be carried out the control of three kinds of operating types.1K, 2K are the changeover switch of three kinds of operating types.1C, 2C, 1TA, 2TA, 1QA, 2QA are respectively booster, power actuating coil, stop button and starting button.The battery converting unit is the device that interchange and battery are changed mutually.Gas driver element control contact T
1～3And T
3When uncapping, the TN closure, the power failure unit all has a power failure the gas-monitoring unit.
The gas-monitoring unit is the methane transducer power supply, and gas concentration is converted to the signal of telecommunication, gives the gas-monitoring driver element.The gas-monitoring unit is made up of voltage regulation unit, this safety unit, communication unit, display unit.Voltage regulation unit carries out voltage stabilizing with the voltage of battery converting unit input; This safety unit is powered to methane transducer; Communication unit passes to aboveground monitoring system with the signal of gas and device, and receives the instruction of monitoring system; Display unit demonstration gas density and power failure, alarm signal.Send instruction after control module compares gas concentration and input to the gas-monitoring input block.
DL
1, DL
2, DL
3, U
D, V
D, W
DBe the input and output of electrical source of power, 2HK is the isolating switch of electrical source of power.
The utility model has structurally been taked the one multi-cavity, and two main chambeies, bottom are respectively equipped with booster control module and power control unit; Top is two explosion-proof chambers of wiring and gas-monitoring unit, on wire connection cavity and the gas-monitoring unit cable entry and display window is arranged.
The operating principle of this device is as follows:
1, starter operating principle
Wind-powered electricity generation gas comprehensive protector can be controlled the comprehensive protector of two-way power supply (booster power source special, electrical source of power), and 1HK, 2HK, 1C, 2C are respectively the isolating switch and the A.C. contactors of two road power supplys.Conversion by 1K and 2K switch can realize the coal-face power supply mode; The driving face power supply mode; Driving face firedamp drainage power supply mode.The conversion combination of 1K, 2K switch and the relation of three kinds of power supply modes see Table (one)
(1) coal-face powered operation mode
Coal-face powered operation mode switch F
1, F
2Connect the power supply of coal-face two-way load, F
1, F
2Can start independently and stop separately.Switch 1K, 2K are pulled to right-hand (position of figure one contact), and the 36V power supply is through gas outage contact T
1～3Give F respectively with switch 1K contact
1, F
2Two switch control circuit power supplies.Work as T
1～3When gas density reached power-down value during arbitrary sensor was distinguished and admirable, T
1～3Disconnect F
1, F
2The locking of all cutting off the power supply.
Switch 1HK send F in electric 1 minute
1, F
2The locking of all cutting off the power supply.
(2) development end powered operation mode
Development end powered operation mode has following function
A, dual power supply
Be blower fan power source special and the power supply of driving electrical source of power.FL
1, FL
2, FL
3, U
F, V
F, W
FInput and output for fan power; DL
1, DL
2, DL
3, U
D, V
D, W
DInput and output for the driving face electrical source of power;
B, single power supply
The shared power supply power supply of blower fan and driving face: with FL
1With DL
1, FL
2With DL
2, FL
3With DL
3Short circuit separately; U
F, V
F, W
FThe machine of giving a dinner for a visitor from afar, U
D, V
D, W
DConnect the driving face power supply;
C, booster switch F
1Inoperative or stop transport development end power supply F
2The power failure locking;
D, gas outage cell failure, outage, sensor cable open circuit, when short circuit and gas concentration reach power-down value, driving face power supply F
2Locking all has a power failure.Have only fault is got rid of, when gas density dropped to the telegram in reply value, driving face can manually start;
E, have only booster operation, gas cutoff instrument working properly, driving face can manually start;
F, switch send development end power supply F in electric 1 minute
2The outage locking;
G, booster switch F
1During normal the operation, booster continues to keep operation during the gas exceeding limit outage; During the booster switch is stopped transport, the gas exceeding limit outage, the booster switch is by the locking fail to start.
During the driving face method of operation, 1K pulls left with switch, and booster control power supply is directly through switch 1K contact, T
3And the 2K contact, booster control power supply is not subjected to gas outage contact T
1～3Control.When local ventilation fan moves, gas outage contact T '
1～3Disconnect, because of 1C
1Closure, booster keeps operation.When the booster switch is stopped transport, T '
1～3Disconnect the booster fail to start.
The 36V power supply is through switch 1K contact, T
1～3, 1K contact booster switch auxiliary contact 1C
2To the power supply of development end control power supply, so 1C
2And T
1～3When arbitrary contact disconnected, the driving face power supply all was de-energized locking.
(3) the driving face firedamp drainage method of operation
During the development end firedamp drainage method of operation, switch 1K is pulled to right-hand, 2K pulls to left, thus the time development end in gas density reached power-down value, gas outage contact T
1～3And T '
1～3All disconnect, so development end power supply F
2Be de-energized locking, 2K pulls to the left contact T '
1～3Short circuit, booster can starting operation.At this moment, sensor T
3Be moved to return side, when gas density reaches power-down value, T
3And T '
3Disconnect, booster is out of service.Cut off the return side power supply simultaneously.Because of the blower fan not firedamp drainage of stopping transport, the return side gas density reduces gradually, when treating less than the telegram in reply value, can reset booster.
2, gas-monitoring cell operation principle
It is the sensor power supply that power panel is exported three road 21V/300mA intrinsically safe power supplies, and charging panel is exported one road 12V, and one road 5V is change-over panel, communication board power supply.The carrier signal that the change-over panel receiving sensor sends is converted into and the corresponding frequency signal of methane concentration, delivers to communication board and handles, and receives communication board simultaneously, and the power-off signal of transmission drives relay and carries out outage control.The pre-power supply plate provides preposition pre-steady voltage for charging panel and power panel.Charging panel is battery charge when Alternating Current Power Supply; When exchanging power failure, the gas-monitoring unit is battery-powered, and power-on time is not less than 2 hours.
Claims (2)
1, a kind of wind-powered electricity generation gas comprehensive protector, it is characterized in that: the input of booster control module is connected with the booster power supply, and output is connected with booster; The input of power control unit is connected with electrical source of power, and output is connected with line load; The gas-monitoring unit with connect methane transducer and be connected; The signal of three control modules is input to operating type conversion and blower fan, gas control logic unit, sends instruction by this unit and inputs to power control unit and booster control module, and said units is separately positioned in the housing that is provided with individual cavity.
2, a kind of wind-powered electricity generation gas comprehensive protector according to claim 1 is characterized in that: FL
1, FL
2, FL
3, U
F, V
F, W
FBe the input and output of booster power supply, 1HK is the isolating switch of booster power supply and gas-monitoring unit; By transformer b power supply 380V is converted to 36V and 32V, 36V is the operation control power supply of booster and power, and 32V is the gas-monitoring AC power; 1K, 2K are the changeover switch of three kinds of operating types; 1C, 2C, 1TA, 2TA, 1QA, 2QA are respectively booster, power actuating coil, stop button and starting button; The battery converting unit is the device that interchange and battery are changed mutually; Gas driver element control contact T
1～3And T
3The battery converting unit is connected with voltage regulation unit with the power failure unit of uncapping, and the power failure unit of uncapping is connected with switch TN; The gas-monitoring unit is the methane transducer power supply, and gas concentration is converted to the signal of telecommunication, gives the gas-monitoring driver element; The gas-monitoring unit is made up of voltage regulation unit, this safety unit, communication unit, display unit; Voltage regulation unit carries out voltage stabilizing with the voltage of battery converting unit input; This safety unit is powered to methane transducer; Communication unit passes to aboveground monitoring system with the signal of gas and device, and receives the instruction of monitoring system; Display unit demonstration gas density and power failure, alarm signal; Send instruction after control module compares gas concentration and input to the gas-monitoring input block; DL
1, DL
2, DL
3, U
D, V
D, W
DBe the input and output of electrical source of power, 2HK is the isolating switch of electrical source of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030730 CN2687343Y (en) | 2004-03-12 | 2004-03-12 | Pneumatic-electric gas comprehensive protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030730 CN2687343Y (en) | 2004-03-12 | 2004-03-12 | Pneumatic-electric gas comprehensive protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687343Y true CN2687343Y (en) | 2005-03-23 |
Family
ID=34670450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030730 Expired - Fee Related CN2687343Y (en) | 2004-03-12 | 2004-03-12 | Pneumatic-electric gas comprehensive protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687343Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571053B (en) * | 2009-03-24 | 2012-01-25 | 张兴莲 | Security device specially used for mine |
| CN104179528A (en) * | 2014-08-20 | 2014-12-03 | 四川天微电子有限责任公司 | Mine protecting system |
| CN104196566A (en) * | 2014-08-20 | 2014-12-10 | 四川天微电子有限责任公司 | Coal mine protecting device facilitating monitoring point movement |
| CN104196567A (en) * | 2014-08-20 | 2014-12-10 | 四川天微电子有限责任公司 | Mine explosion prevention system |
| CN104295318A (en) * | 2014-08-20 | 2015-01-21 | 四川天微电子有限责任公司 | Mine safety system |
| CN104967093A (en) * | 2015-07-17 | 2015-10-07 | 淮南矿业(集团)有限责任公司 | Power breaking control system |
| CN106125641A (en) * | 2016-02-15 | 2016-11-16 | 上海颐坤自动化控制设备有限公司 | Local fan monitoring system |
| CN106205258A (en) * | 2016-07-13 | 2016-12-07 | 太原煤炭气化（集团）有限责任公司技工学校 | Coal mine safety monitoring monitoring " three lockings " demonstration checking system and operational approach thereof |
-
2004
- 2004-03-12 CN CN 200420030730 patent/CN2687343Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571053B (en) * | 2009-03-24 | 2012-01-25 | 张兴莲 | Security device specially used for mine |
| CN104179528A (en) * | 2014-08-20 | 2014-12-03 | 四川天微电子有限责任公司 | Mine protecting system |
| CN104196566A (en) * | 2014-08-20 | 2014-12-10 | 四川天微电子有限责任公司 | Coal mine protecting device facilitating monitoring point movement |
| CN104196567A (en) * | 2014-08-20 | 2014-12-10 | 四川天微电子有限责任公司 | Mine explosion prevention system |
| CN104295318A (en) * | 2014-08-20 | 2015-01-21 | 四川天微电子有限责任公司 | Mine safety system |
| CN104967093A (en) * | 2015-07-17 | 2015-10-07 | 淮南矿业(集团)有限责任公司 | Power breaking control system |
| CN106125641A (en) * | 2016-02-15 | 2016-11-16 | 上海颐坤自动化控制设备有限公司 | Local fan monitoring system |
| CN106205258A (en) * | 2016-07-13 | 2016-12-07 | 太原煤炭气化（集团）有限责任公司技工学校 | Coal mine safety monitoring monitoring " three lockings " demonstration checking system and operational approach thereof |
| CN106205258B (en) * | 2016-07-13 | 2019-02-01 | 太原煤炭气化（集团）有限责任公司技工学校 | Coal mine safety monitoring monitoring " three lockings " demonstration checking system and its operating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUARUI FUSHUN COAL MINE SAFETY INSTRUMENTS CO., L Free format text: FORMER OWNER: FUSHUN COLLIERY ANYI OVERALL FACTORY Effective date: 20070518 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070518 Address after: 113006 No. 39, Xincheng Road, Shuncheng District, Liaoning, Fushun Patentee after: Huarui Fushun Coal Mine Safety Equipment Co., Ltd. Address before: 113006 No. 39, Xincheng Road, Fushun, Liaoning Patentee before: Fushun Coal Mine Safety Instrument General Factory |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 |