CN200993016Y - Continuous miner gas monitoring system - Google Patents
Continuous miner gas monitoring system Download PDFInfo
- Publication number
- CN200993016Y CN200993016Y CN 200620166183 CN200620166183U CN200993016Y CN 200993016 Y CN200993016 Y CN 200993016Y CN 200620166183 CN200620166183 CN 200620166183 CN 200620166183 U CN200620166183 U CN 200620166183U CN 200993016 Y CN200993016 Y CN 200993016Y
- Authority
- CN
- China
- Prior art keywords
- stop switch
- gas
- emergency stop
- gas control
- adopted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000005065 mining Methods 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000019771 cognition Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Abstract
The utility model relates to a gas monitoring system for the successive mining machine, which is characterized in that: the utility model comprises a pump motor start loop unit and a gas control unit of the successive mining machine; wherein, the gas control unit is in series connected with the start loop unit of the pump motor; the gas control unit comprises a gas emergent stop switch used for the inspection and control of methane concentration; the methane emergent stop switch, a first emergent stop switch and a second emergent stop switch are in series connected with a first sub circuit. Through using the successive mining machine gas monitoring system, when the methane concentration is ultra high, the systems and the devices can be effectively stopped to be safe guarded and protected, avoiding the explosion from happening. Moreover, the circuit structure design is simple; the original circuit structure is only changed a little, reducing the cost.
Description
Technical field
The utility model relates to a kind of company and adopts the machine methane monitoring system, and more particularly, the utility model relates to a kind of methane monitoring system that is used for the Lian Caiji of mining area down-hole coal excavation operation.
Background technology
At present, in coal industry, security issues become increasingly urgent.As everyone knows, along with China's rapid development of economy, the energy consumption that simultaneous is huge.Therefore, each big Coal Production enterprise also begins to step up the exploitation of coal, because the rhythm of coal production is accelerated, the safety measure of each side or safety technics means lag behind again, so, cause all kinds of security incidents of appearance again and again, the great economic loss of not only bringing also causes casualties simultaneously.
With regard to the accident pattern that takes place, some collapses owing to underworkings or roof fall causes, and some accident causes the miner owing to coal-cutting machinery equipment, also has some owing to other reasonses such as gas explosion cause.
Wherein, in actual progress of coal mining, Lian Caiji has obtained using widely, by using these coal excavation apparatus, can increase substantially the production efficiency of coal.But Lian Caiji in the past is not equipped with gas control system.When these equipment of use, cannot monitor gas density, and when burst accident took place, Lian Caiji can not stop again, therefore can cause the damage even the casualties of equipment.So there is very big potential safety hazard in the use of Lian Caiji.
In addition, when using anchor driving machine to dig up mine, also there is similar problem, so, do not do herein and give unnecessary details.
Therefore, be necessary to add gas control system,, guarantee the complete machine security performance, thereby guarantee personal safety to overcome above-mentioned defective by transforming, improve the deficiency that exists in the former design.
The utility model content
The purpose of this utility model is to provide a kind of security performance and unfailing performance better to connect and adopts the machine gas control system.
To achieve these goals, it is design like this that the machine gas control system is adopted by the company that the utility model proposes:
The machine methane monitoring system is adopted by a kind of company, it is characterized in that, described system comprises that the pump motor of Lian Caiji starts circuit units and gas control module, and described gas control module is connected on described pump motor and starts in the circuit units, and described gas control module comprises the gas emergency stop switch.
Preferably, to be positioned at the gas device indoor for described gas emergency stop switch.
Preferably, described gas emergency stop switch is an automatic switch.
Preferably, described gas emergency stop switch is a normally closed switch.
Preferably, described gas control module also comprises first emergency stop switch and second emergency stop switch, and described first emergency stop switch and described second emergency stop switch are connected in first branch road.
Preferably, described first emergency stop switch and described second emergency stop switch are normally closed switch.
Preferably, described gas control module also comprises display lamp, and described display lamp is arranged in second branch road in parallel with described first branch road.
Preferably, described gas emergency stop switch is serially connected in first branch road.
Preferably, described first emergency stop switch or described second emergency stop switch are hand switch.
Preferably, described first emergency stop switch is arranged in the cut electric control box, and described second emergency stop switch is arranged in the traction electric control box.
By using the company that the utility model proposed to adopt the machine gas control system, can be when the gas density superelevation, halt system equipment avoids blast to take place to play the effect of safety and protection effectively.And this circuit structure design is simple, and is little to original circuit structure change, provides cost savings.
Description of drawings
Below in conjunction with accompanying drawing, methane monitoring system of the present utility model is described in further detail:
Fig. 1 is the principle schematic according to methane monitoring system of the present utility model;
Fig. 2 is the wiring diagram according to methane monitoring system of the present utility model.
The specific embodiment
Use Reference numeral 1 mark according to methane monitoring system of the present utility model, further describe in conjunction with the accompanying drawings according to methane monitoring system 1 of the present utility model, technical scheme according to methane monitoring system 1 of the present utility model is better understood, but those of ordinary skills should be understood that according to methane monitoring system 1 of the present utility model and therefore are not subjected to any restriction.
Among the accompanying drawing, identical technical characterictic refers to identical Reference numeral.
Fig. 1 shows the principle according to methane monitoring system of the present utility model.As shown in the figure, gas control module 2 comprises that the first anxious gauge tap ES1 202 and second that stops of two series connection suddenly stops that gauge tap ES2 204, the first is anxious to stop gauge tap ES1 202 and the second anxious gauge tap ES2 204 that stops is normally closed switch.The first anxious gauge tap ES1 202 and second anxious No. 801 lines that stop being connected to after gauge tap ES2 204 connects in the pump motor startup loop of stopping.
Preferably, described first emergency stop switch is connected in the cut electric control box (not shown), and described second emergency stop switch is connected in the traction electric control box (not shown).No matter have an accident when connecting the machine of adopting in cut operation or migration operation, can be respectively suddenly stop gauge tap ES1 202 or the second anxious gauge tap ES2 204 that stops cuts off pump motor and starts the loop by cutting off normally closed first, it is promptly out of service then to connect the machine of adopting.
Gas control module 2 comprises gas emergency stop switch CH4 206, and this gas emergency stop switch CH4 206 is a normally closed switch, and it is indoor to be positioned at the gas device.And suddenly stop gauge tap ES2 204 and be connected in first branch road 20 and second branch road 22 with the first anxious gauge tap ES1 202 and second that stops.When the indoor gas density of gas reached the limit of safe concentration, this gas emergency stop switch CH4 206 can disconnect, and then pump motor starts the loop disconnection.This gas emergency stop switch CH4 206 can monitor the indoor gas density of gas effectively, and the company of making adopts machine and can move in relatively safer environment.
If inflammable and explosive methane gas has surpassed safe concentration in the environment of Lian Caiji operation, and the Lian Caiji operation time can produce a large amount of heats, the environment temperature on every side that the machine operation is adopted by feasible company raises, when the temperature of surrounding environment reaches the ignition temperature of inflammable and explosive methane gas, the indoor Device in Gas cognition of gas is ignited even can be blasted, thereby cause the badly damaged of system equipment, even jeopardize personal safety.After normally closed switch CH4 206 inserted pump motors and start loops, can prevent to control the too high and danger that produces of the indoor gas density of gas effectively, guarantee the safety of Lian Caiji operation.
In addition, gas control module 2 also comprises display lamp 208, this display lamp 208 is arranged in second branch road 22, and second branch road 22 with suddenly stop that gauge tap ES1 202, second is anxious to stop in first branch road 20 that gauge tap ES2 204 and normally closed switch CH4 206 be composed in series by first.
Gas control module 2 is connected with No. 801 lines that pump motor starts in the circuit units 4 at the end near normally closed switch CH4 206.Gas control module 2 is being connected with 801 lines that pump motor starts in the circuit units 4 equally near first an anxious end that stops gauge tap ES1 202.Wherein, when burst accident, press the first anxious gauge tap ES1 202 or second that stops and suddenly stop gauge tap ES2 204, then disconnect pump motor and start circuit units 4, pump motor is out of service.
And, if the indoor gas density of gas surpasses safe concentration, then the indoor normally closed switch CH4 206 of gas device can cut off pump motor automatically and starts circuit units 4, has prevented to connect the generation of adopting the excessive concentration of gas in the machine running environment and causing very serious serious accident such as firing of methane gas.
In addition, display lamp 208 in the gas control module 2 can be indicated in real time to sudden-stop function and the indoor gas density of gas that the urgency of Lian Caiji is stopped control system, in the running of Lian Caiji, if burst accident, press first anxious gauge tap ES1 202 or the ES2204 of stopping, then pump motor is out of service, and described display lamp 208 is bright, to indicate.Equally, if the indoor gas density of gas surpasses safe concentration, then gas emergency stop switch CH4 206 normally closed switch disconnect, and described display lamp 208 is bright, to indicate.
Fig. 2 shows the wiring diagram according to methane monitoring system of the present utility model.As shown in the figure, at first, No. 801 lines from terminal row TB17 disconnection pump startup loop 4; Other establishes control line and draws from No. 801 lines of terminal row TB17 and be connected on the high-voltaghe compartment TB3 terminal row, wire size is 801C, this line plays the first anxious gauge tap ES1 202 that stops that a terminal on the terminal row P7 of guard's valve connects gas control module 2 by master control by cable C7, then at the serial connection second anxious gauge tap ES2 204 that stops, on another terminal that has been connected to the terminal row P7 in the guard's valve by cable, and then on the terminal 801B through the terminal row TB3 by high-voltaghe compartment behind the cable C7, and then by the normally closed switch CH4206 of cable connection in the gas device.So just gas control module 2 having been inserted pump motor starts in the loop 4.
Adopt machine catastrophic failure or operating personnel when maloperation takes place when connecting, can cut off the first normally closed anxious gauge tap ES1 202 and second anxious any one of stopping among the gauge tap ES2 204 of stopping, can cut off pump motor and start circuit units 4, thereby stop the running of Lian Caiji, avoided the further expansion of accident.
In addition, in gas control module 2, also be provided with the gas control device, the monitoring that this gas control device is realized the indoor gas density of gas by normally closed switch CH4 206.This gas emergency stop switch is serially connected in the first anxious gauge tap ES1 202 and second that stops and suddenly stops in the series arm 20 of gauge tap ES2204, and it is indoor to be arranged on gas.When the indoor gas density of gas surpassed safe concentration, this normally closed switch CH4 206 disconnected, and then cut off pump motor and started circuit units 4, the emergent control that machine is adopted by the company of realization.
And, display lamp 208 in the gas control module 2 can be indicated in real time to sudden-stop function and the indoor gas density of gas that the urgency of Lian Caiji is stopped control system, in the running of Lian Caiji, if burst accident, press first anxious gauge tap ES1 202 or the ES2204 of stopping, then pump motor is out of service, and described display lamp 208 is bright, to indicate.Equally, if the indoor gas density of gas surpasses safe concentration, then gas emergency stop switch CH4 206 normally closed switch disconnect, and described display lamp 208 is bright, to indicate.
In addition, the power supply of this system is by terminal row TB1 power supply.
The first anxious gauge tap ES1 202 and second that stops that it will be understood by those skilled in the art that gas control module 2 of the present utility model suddenly stops gauge tap ES2 204 and can adopt manual and automatic dual mode.
If the employing manual mode then can anxious be stopped gauge tap ES1 202 and the second anxious gauge tap ES2 204 that stops is arranged on operating personnel or common operating personnel and is easy to the place observing and touch with first.In running at Lian Caiji, if maloperation takes place in catastrophic failure or operating personnel, need promptly stop the running of Lian Caiji, then operating personnel or common operating personnel can be by the first anxious gauge tap ES1 202 or the second anxious gauge tap ES2 204 cut-out pump motors startup circuit units 4 of stopping of stopping that are easy to touch, and promptly decommissioning of machine adopted by the company of realization.First of gas control module 2 suddenly stops gauge tap ES1 202 and second, and suddenly stopping gauge tap ES2 204 can also adopt automated manner, can more effectively realize the emergent control to Lian Caiji like this.But this embodiment is compared with circuit structure described above on circuit structure and is wanted relative complex a little.
Claims (10)
1. the machine methane monitoring system is adopted by a company, it is characterized in that, described system comprises that the pump motor of Lian Caiji starts circuit units and gas control module, and described gas control module is connected on described pump motor and starts in the circuit units, and described gas control module comprises the gas emergency stop switch.
2. the machine gas control system is adopted by company according to claim 1, it is characterized in that, it is indoor that described gas emergency stop switch is positioned at the gas device.
3, the machine gas control system is adopted by company according to claim 2, it is characterized in that, described gas emergency stop switch is an automatic switch.
4, the machine gas control system is adopted by company according to claim 2, it is characterized in that, described gas emergency stop switch is a normally closed switch.
5. the machine gas control system is adopted by company according to claim 1, it is characterized in that, described gas control module also comprises first emergency stop switch and second emergency stop switch, and described first emergency stop switch and described second emergency stop switch are connected in first branch road.
6. the machine gas control system is adopted by company according to claim 5, it is characterized in that, described first emergency stop switch and described second emergency stop switch are normally closed switch.
7. the machine gas control system is adopted by company according to claim 1, it is characterized in that, described gas control module also comprises display lamp, and described display lamp is arranged in second branch road in parallel with described first branch road.
8. the machine gas control system is adopted by company according to claim 5, it is characterized in that, described gas emergency stop switch is serially connected in first branch road.
9, the machine gas control system is adopted by company according to claim 5, it is characterized in that, described first emergency stop switch or described second emergency stop switch are hand switch.
10, the machine gas control system is adopted by company according to claim 5, it is characterized in that, described first emergency stop switch is arranged in the cut electric control box, and described second emergency stop switch is arranged in the traction electric control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620166183 CN200993016Y (en) | 2006-12-15 | 2006-12-15 | Continuous miner gas monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620166183 CN200993016Y (en) | 2006-12-15 | 2006-12-15 | Continuous miner gas monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993016Y true CN200993016Y (en) | 2007-12-19 |
Family
ID=38946093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620166183 Expired - Lifetime CN200993016Y (en) | 2006-12-15 | 2006-12-15 | Continuous miner gas monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993016Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971731A (en) * | 2016-07-29 | 2016-09-28 | 中煤科工集团西安研究院有限公司 | Safety protection system and method for coal bed gas drilling machine engine |
-
2006
- 2006-12-15 CN CN 200620166183 patent/CN200993016Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971731A (en) * | 2016-07-29 | 2016-09-28 | 中煤科工集团西安研究院有限公司 | Safety protection system and method for coal bed gas drilling machine engine |
| CN105971731B (en) * | 2016-07-29 | 2018-08-14 | 中煤科工集团西安研究院有限公司 | A kind of coal bed gas drilling machine engine health protection system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104691557B (en) | The integrity detection circuit and method of track engineering car weight binding group | |
| CN103738872B (en) | Flame-proof type hydraulic power unit and SQ-1200 endless rope series tractor collection control integration unit | |
| CN200993016Y (en) | Continuous miner gas monitoring system | |
| CN102166395A (en) | Fire protection method for rail vehicles | |
| CN103481915A (en) | Electric control system for monorail crane | |
| CN200993019Y (en) | Continuous miner emergency stop control system | |
| CN200957311Y (en) | Improved mud-scraper protector | |
| CN111152662A (en) | Monitoring device for preventing mine electric vehicle from igniting gas | |
| CN202125363U (en) | PLC (Programmable Logical Control) system for engine of drilling machine | |
| CN105507941A (en) | Underground coal mine face automatic safeguard system | |
| CN204532414U (en) | Underground coal mine work plane automation safety system | |
| CN203270659U (en) | Safe starting control system of excavator | |
| CN209072044U (en) | A kind of starter starting test protective device | |
| CN202597043U (en) | Emulsion pump intelligent control box based on programmable logic controller (PLC) | |
| CN203570470U (en) | Explosion-proof trackless command car with rubber tires and diesel engine | |
| CN201851152U (en) | Wind power locking device | |
| CN204716395U (en) | High-pressure common rail double fuel explosion-proof engine integrated protection control gear | |
| CN204713111U (en) | Underground coal mine main haulage roadway prong locomotive automatic block equipment | |
| CN201174616Y (en) | Power supplying device for mine well part fan | |
| CN113933477B (en) | Continuous monitoring system for coal mining machine after onboard gas monitoring and power failure | |
| CN202333959U (en) | Power supply control device of underground auxiliary ventilator in mine | |
| CN204375364U (en) | A kind of urban track traffic charged display device | |
| CN203813513U (en) | Complete set of kilowatt power equipment for oil and gas station | |
| CN215646945U (en) | Belt protection control all-in-one | |
| CN201982091U (en) | Conveyor locking device of coal mining machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071219 |
|
| EXPY | Termination of patent right or utility model |