CN2613003Y - Gas monitoring explosion-proof magnetic starter - Google Patents
Gas monitoring explosion-proof magnetic starter Download PDFInfo
- Publication number
- CN2613003Y CN2613003Y CN 03212660 CN03212660U CN2613003Y CN 2613003 Y CN2613003 Y CN 2613003Y CN 03212660 CN03212660 CN 03212660 CN 03212660 U CN03212660 U CN 03212660U CN 2613003 Y CN2613003 Y CN 2613003Y
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- gas
- power
- intrinsic safety
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- contactor
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Abstract
A gas monitoring typed anti explosion magnetic starter comprises a dynamic power, a separated switch, contacts of a contactor, a transformer, a controlling loop and a contactor, wherein the dynamic power supplies electric for the controlling loop by the separating switch and the transformer, the output end of the controlling loop is connected with the input end of the contactor, the output end of the transformer is connected with the input end of a gas monitoring mode, the output end of the gas monitoring mode is connected with a methane sensor outside the starter, one end of the gas monitoring mode is connected with the controlling loop. The utility model is a gas monitoring typed anti explosion magnetic starter which has simple structure, convenient using, can detect the gas concentration, and has an overrun power off protection function, which not only has the function of a gas power off meter, but also maintains all functions of an anti explosion magnetic starter.
Description
Technical field: the utility model relates to a kind of gas-monitoring type anti-explosion magnetic starter that can connect, cut off the electricity supply on the underground equipment device of colliery that is used in.
Background technology: Gas Explosion Accidents in Coal Mines is one of maximum accident of colliery harm, the necessary condition of gas explosion is that gas density transfinites and burning things which may cause a fire disaster, electric spark is the important burning things which may cause a fire disaster of actuation gas, the device that monitoring gas densities such as gas cutoff instrument and lock between air and electricity are arranged at present, because complex structure, install, operation inconvenience, make some colliery because subjectivity and objective reason make, not that this device is not installed, be exactly not meet or get rid of switch outage system, and the colliery underground equipment, the anti-explosion magnetic starter that uses on the device does not possess the detection gas density, the function that transfinites and cut off the power supply, thus cause gas explosion accident to take place.
Summary of the invention: in order to solve the problem of above-mentioned existence; it is a kind of simple in structure, easy to use that the utility model provides; can detect gas density; have the gas-monitoring type anti-explosion magnetic starter of the power-off protection function that transfinites, promptly have the repertoire that gas cutoff instrument function has kept anti-explosion magnetic starter again.
Concrete technical scheme is as follows: a kind of gas-monitoring type anti-explosion magnetic starter, comprise: electrical source of power, disconnector, contacts of contactor, transformer, control loop, contactor, electrical source of power is through disconnector, the contacts of contactor powering load, electrical source of power is through disconnector, transformer is powered to control loop, the output terminal of control loop links to each other with the input end of contactor, it is characterized in that: be connected with the gas-monitoring module input at the transformer output terminal, gas-monitoring module output terminal is connected with the methane transducer of trigger outside, and gas-monitoring module one end is connected with control loop.
Compare with prior art; the utility model is under the constant situation of original anti-explosion magnetic starter circuit; between transformer and methane transducer, be connected with the gas-monitoring module; gas-monitoring module one end is connected with control loop; gas-monitoring inside modules breaker point action when gas exceeding limit; through control loop; make the contactor action power dump; realize the gas exceeding limit power-off protection function; the utility model is simple in structure, easy to use; gas-monitoring is used widely under coal mine, thereby has stopped the generation of electric spark actuation gas accident.
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 the circuit block diagram of gas-monitoring module of the present utility model.
Fig. 3 is the circuit theory diagrams of gas-monitoring module of the present utility model.
Embodiment:
As shown in Figure 1, a kind of gas-monitoring type anti-explosion magnetic starter, comprise: electrical source of power, disconnector, contacts of contactor, transformer, control loop, contactor, electrical source of power is through disconnector, the contacts of contactor powering load, electrical source of power is through disconnector, transformer is given control loop, the gas-monitoring module provides working power, the output terminal of control loop links to each other with the input end of contactor, be connected with the gas-monitoring module input at the transformer output terminal, gas-monitoring module output terminal is connected with the methane transducer of trigger outside, gas-monitoring module one end is connected with control loop, the lead that is connected of methane transducer and gas-monitoring type anti-explosion magnetic starter adopts the nonpolarity transmission mode in two wires.
As shown in Figure 2, described gas-monitoring module comprises rectifying and voltage-stabilizing, intrinsic safety electric source I, intrinsic safety electric source II, data processing and control unit, F/F converting unit I, F/F converting unit II, alternating current is exported to intrinsic safety electric source I, intrinsic safety electric source II, data processing and control unit through rectifying and voltage-stabilizing, intrinsic safety electric source I, intrinsic safety electric source II are connected with methane transducer T1, T2, and methane transducer T1, T2 are input to the data processing and control unit with the frequency signal of correspondence through F/F converting unit I, F/F converting unit II.
As shown in Figure 3, the AC power input is after bridge 2 is converted to DC voltage, electrolysis electric smelting 3, CBB electric smelting 4 is the AC-DC conversion electric smelting, by three terminal regulator 5, resistance 6, triode 7 is formed the constant current unit, resistance 8, CBB electric smelting 16 is formed over-current protecting unit with over-current protecting unit 9, cartridge fuse 1 shields, by three terminal regulator 10, resistance 11,12,13, CBB electric smelting 14,15 form voltage regulation unit output 21V voltage, after the AC power input, through AC-DC conversion, overcurrent protection, output two-way 21V intrinsic safety electric source is the methane transducer power supply behind the unit such as power supply voltage stabilizing, this methane transducer monitoring gas density, and data monitored is converted to the corresponding frequency current of gas density is carried on the 21V intrinsic safety electric source; Data processing/control module is made up of single-chip microcomputer 19, triode 18, the relay 17 of 89C2051 model, sample resistance 25, optocoupler 24, CBB electric smelting 23, resistance 22 are delivered to operational amplifier 21 in the F/F converting unit, the single-chip microcomputer 89C2051 that reaches data processing/control module after optocoupler 20 is isolated handles the output power-off signal to triode 18, relay 17 actions, control magnetic starter.
Principle of work: electrical source of power is through disconnector, contacts of contactor powering load, electrical source of power provides working power for control loop, gas-monitoring module through disconnector, transformer, after the AC power input, output two-way 21V intrinsic safety electric source is the methane transducer power supply behind unit such as AC-DC conversion, overcurrent protection, power supply voltage stabilizing, this methane transducer monitoring gas density, and data monitored is converted to the corresponding frequency current of gas density is carried on the 21V intrinsic safety electric source; Anti-explosion magnetic starter will be input to data processing/control module through F/F converting unit I, F/F converting unit II with gas respective frequencies signal, when arbitrary methane transducer gas concentration transfinites, the methane transducer line short, open circuit and when not connecing methane transducer, data processing/control module output order, make the opertaing device outage, only methane transducer working properly and distinguished and admirable in the state that do not transfinite of gas concentration under, gas-monitoring type anti-explosion magnetic starter could transmission operation.
Claims (3)
1, a kind of gas-monitoring type anti-explosion magnetic starter, comprise: electrical source of power, disconnector, contacts of contactor, transformer, control loop, contactor, electrical source of power is through disconnector, the contacts of contactor powering load, electrical source of power is through disconnector, transformer is powered to control loop, the output terminal of control loop links to each other with the input end of contactor, it is characterized in that: the transformer output terminal is connected with the gas-monitoring module input, gas-monitoring module output terminal is connected with the methane transducer of trigger outside, and gas-monitoring module one end is connected with control loop.
2, a kind of gas-monitoring type anti-explosion magnetic starter according to claim 1, it is characterized in that: described gas-monitoring module comprises rectifying and voltage-stabilizing, intrinsic safety electric source I, intrinsic safety electric source II, the data processing and control unit, F/F converting unit I, F/F converting unit II, alternating current is exported to intrinsic safety electric source I through rectifying and voltage-stabilizing, intrinsic safety electric source II, the data processing and control unit, intrinsic safety electric source I, intrinsic safety electric source II and methane transducer T1, T2 is connected, methane transducer T1, T2 with the frequency signal of correspondence through F/F converting unit I, F/F converting unit II is input to the data processing and control unit.
3, a kind of gas-monitoring type anti-explosion magnetic starter according to claim 1 and 2, it is characterized in that: described gas-monitoring module, the AC power input is after bridge (2) is converted to DC voltage, electrolysis electric smelting (3), CBB electric smelting (4) is the AC-DC conversion electric smelting, by three terminal regulator (5), resistance (6), triode (7) is formed the constant current unit, resistance (8), CBB electric smelting (16) is formed over-current protecting unit with over-current protecting unit (9), cartridge fuse (1) shields, by three terminal regulator (10), resistance (11), (12), (13), CBB electric smelting (14), (15) form voltage regulation unit output 21V voltage, after the AC power input, through AC-DC conversion, overcurrent protection, output two-way 21V intrinsic safety electric source is the methane transducer power supply behind the unit such as power supply voltage stabilizing, this methane transducer monitoring gas density, and data monitored is converted to the corresponding frequency current of gas density is carried on the 21V intrinsic safety electric source; Data processing/control module is made up of single-chip microcomputer (19), triode (18), the relay (17) of 89C2051 model, sample resistance in the F/F converting unit (25), optocoupler (24), CBB electric smelting (23), resistance (22) are delivered to operational amplifier (21), the single-chip microcomputer 89C2051 that reaches data processing/control module after optocoupler (20) is isolated handles the output power-off signal to triode (18), relay (17) action, control magnetic starter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03212660 CN2613003Y (en) | 2003-04-18 | 2003-04-18 | Gas monitoring explosion-proof magnetic starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03212660 CN2613003Y (en) | 2003-04-18 | 2003-04-18 | Gas monitoring explosion-proof magnetic starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2613003Y true CN2613003Y (en) | 2004-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03212660 Expired - Fee Related CN2613003Y (en) | 2003-04-18 | 2003-04-18 | Gas monitoring explosion-proof magnetic starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2613003Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738768A (en) * | 2012-07-17 | 2012-10-17 | 吴增明 | Gas uninterrupted monitoring protection circuit on basis of coal mining machine |
| CN109038501A (en) * | 2018-06-29 | 2018-12-18 | 徐州凯思特机电科技有限公司 | A kind of intrinsic safety electric source output protection circuit |
| CN109412114A (en) * | 2018-12-20 | 2019-03-01 | 陕西斯达防爆安全科技股份有限公司 | A kind of vehicular methane monitor breaker host |
| CN113363957A (en) * | 2021-08-10 | 2021-09-07 | 徐州博科工程机械有限公司 | Mining intrinsic safety type power supply device |
| CN113933477A (en) * | 2021-10-26 | 2022-01-14 | 扎赉诺尔煤业有限责任公司 | Continuous monitoring system for coal mining machine after airborne gas monitoring power failure |
-
2003
- 2003-04-18 CN CN 03212660 patent/CN2613003Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738768A (en) * | 2012-07-17 | 2012-10-17 | 吴增明 | Gas uninterrupted monitoring protection circuit on basis of coal mining machine |
| CN109038501A (en) * | 2018-06-29 | 2018-12-18 | 徐州凯思特机电科技有限公司 | A kind of intrinsic safety electric source output protection circuit |
| CN109412114A (en) * | 2018-12-20 | 2019-03-01 | 陕西斯达防爆安全科技股份有限公司 | A kind of vehicular methane monitor breaker host |
| CN113363957A (en) * | 2021-08-10 | 2021-09-07 | 徐州博科工程机械有限公司 | Mining intrinsic safety type power supply device |
| CN113933477A (en) * | 2021-10-26 | 2022-01-14 | 扎赉诺尔煤业有限责任公司 | Continuous monitoring system for coal mining machine after airborne gas monitoring power failure |
| CN113933477B (en) * | 2021-10-26 | 2024-04-19 | 扎赉诺尔煤业有限责任公司 | Continuous monitoring system for coal mining machine after onboard gas monitoring and power failure |
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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, Shuncheng District, Liaoning, Fushun Patentee before: Fushun Coal Mine Safety Instrument General Factory |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |