CN202645635U - Air pipe sensor fault warning device - Google Patents
Air pipe sensor fault warning device Download PDFInfo
- Publication number
- CN202645635U CN202645635U CN 201220215151 CN201220215151U CN202645635U CN 202645635 U CN202645635 U CN 202645635U CN 201220215151 CN201220215151 CN 201220215151 CN 201220215151 U CN201220215151 U CN 201220215151U CN 202645635 U CN202645635 U CN 202645635U
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- warning device
- air pipe
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- wind tunnel
- accident warning
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Abstract
An air pipe sensor fault warning device belongs to warning devices for the underground laneway excavation of a coal mine. The air pipe sensor fault warning device comprises an air pipe device, and is characterized in that the fault warning device is connected with the air pipe device, and the fault warning device is connected with two ends of a reed switch (6) of the air pipe sensor (12) in series. A test and fault-warning device is additionally arranged on the air pipe sensor in the prior art. The fault warning device can give a sound and light alarm at the same time along with the current failure when the air pipe sensor is subject to an off-blast period or a test, and can correctly reflect whether the cut-off function of a construction site monitoring system is valid.
Description
Technical field
The Wind tunnel sensor accident warning device belongs to coal mine down-hole tunnel driving warning device.
Background technology
The coal mine down-hole tunnel driving is to rely on air duct with the fresh distinguished and admirable job location of sending into the tunnel, breathes for the people.Because the air-supply circuit is longer, if having a power failure in the air-supply process or air duct disconnects midway, so fresh distinguished and admirablely also just send less than the job location, the personnel that will cause can't breathe with pernicious gas and gather; Even cause gas explosion accident.So whether normally people have just invented Wind tunnel sensor and be used for monitoring roadway construction place air feed, but the Main Function of Wind tunnel sensor is outage, the power supply that namely cuts off the job location can't be constructed the workman, prevents from causing gas explosion accident.
Existing Wind tunnel sensor is comprised of tongue tube, magnet, claw etc.When the air duct air feed, the air duct picking-up claw that sticks out, the magnet of claw top just with tongue tube in the magnetic sheet adhesive form the loop, the formation loop of connect with the electric fixtures in roadway construction place simultaneously.The electricity construction can be sent in the job location.When air duct stopped air feed, air duct became flat by circle, and air duct is no longer held claw, and the weight of claw self is greater than the suction of magnet, and claw just falls down, and claw band moving magnet separates with magnetic sheet and causes the loop to disconnect, and the job location has a power failure.
The shortcoming one of using traditional Wind tunnel sensor is only to have a power failure not report to the police when air duct stops air feed; Do not cause workman's attention.The 2nd, in unmanned construction but still need the tunnel of air feed, when air duct stopped air feed, not reporting to the police was not easy to discover.The 3rd, when breaking down, Wind tunnel sensor do not report to the police, and the maintenance personal can't find, and buries accident potential.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the problem that prior art exists, increased a test and accident warning device at the Wind tunnel sensor of prior art.Wind tunnel sensor this device when blowing-out or test can send sound and light alarm when cutting off the power supply, effectively whether the power down function of correct reflection job location monitoring system the Wind tunnel sensor accident warning device.
The technical scheme that its technical problem that solves the utility model adopts is: this Wind tunnel sensor accident warning device, comprise drum device, it is characterized in that: the accident warning device that links to each other with drum device is set, and the accident warning device series connection is at the tongue tube two ends of Wind tunnel sensor.
Described accident warning device comprises control triode, resistance, buzzer and light emitting diode, control triode and resistance are in series, buzzer and light emitting diode are in series, connect an end of tongue tube normal opened contact after the end that the end that control triode and resistance are in series and buzzer and light emitting diode are in series is in parallel, another termination input power after buzzer and light emitting diode are in series, the normally closed contact of tongue tube links to each other with ground monitoring system by the power signal line that outputs to ground.
Compared with prior art, the beneficial effect that has of Wind tunnel sensor accident warning device of the present utility model is:
At first, Wind tunnel sensor is that to have used tongue tube be operative body, utilize tongue tube in magnetic field when magnet strength reaches some strength wherein the contact of one group of contact and original adhesive disconnect and another contact adhesive, when tongue tube breaks away from high-intensity magnetic field, recover again original state.
A test and accident warning device have been increased on former Wind tunnel sensor basis.Wind tunnel sensor this device when blowing-out or test can send sound and light alarm when cutting off the power supply, whether the power down function of correct reflection job location monitoring system is effective.This device is powered by the intrinsically safe power supply of gas breaker inside, uses an AND circuit jointly to cooperate with a not circuit and finishes.When air duct stops air feed or this device can be along with outage time at the trial, the AND circuit NAND gate circuit is closed simultaneously, the power supply circuits conducting, buzzer in the series circuit and light emitting diode have electricity to send sound and light alarm, and whether prompting maintenance personal Wind tunnel sensor works or latch switch fault on-call maintenance occurs.
Utilize simultaneously this principle, produce output signal, this signal is delivered to outstation and is uploaded to computer supervisory control system by cable.The ground monitoring staff can notify the processing that needs repairing of breaking down of dispatcher job location air duct immediately.Stop to occur methane accumulation or gas explosion accident.
Description of drawings
Fig. 1 is the utility model Wind tunnel sensor accident warning device Wind cylinder structure schematic diagram.
Fig. 2 is the utility model circuit theory diagrams.
Wherein: the power signal line 2, tongue tube normally closed contact 3, tongue tube normal opened contact 4, resistance 5, input power 6, tongue tube 7, buzzer 8, light emitting diode 9, control triode 10, air duct 11, air duct claw 12, Wind tunnel sensor 13, the power supply that 1, output to ground.
The specific embodiment
Fig. 1-2 is the most preferred embodiment of the utility model Wind tunnel sensor accident warning device, and 1-2 is described further the utility model below in conjunction with accompanying drawing:
With reference to accompanying drawing 1-2:
Present drum device is comprised of air duct 10, air duct claw 11, Wind tunnel sensor 12 and power supply 13.
This Wind tunnel sensor accident warning device mainly is on the basis of existing drum device, and the accident warning device that links to each other with drum device is set, and the accident warning device series connection is at tongue tube 6 two ends of Wind tunnel sensor 12.
Described accident warning device comprises control triode 9, resistance 4, buzzer 7 and light emitting diode 8, control triode 9 is in series with resistance 4, buzzer 7 and light emitting diode 8 are in series, connect an end of tongue tube normal opened contact 3 after its end parallel connection that is in series, another termination input power 5 after buzzer 7 and light emitting diode 8 are in series, the tongue tube normally closed contact 2 of tongue tube 6 links to each other with ground monitoring system by the power signal line 1 that outputs to ground.
Operating principle and the course of work are as follows:
A test and accident warning device have been increased on former Wind tunnel sensor basis.Wind tunnel sensor this device when blowing-out or test can send sound and light alarm when cutting off the power supply, whether the power down function of correct reflection job location monitoring system is effective.This device is powered by the intrinsically safe power supply of gas breaker inside, uses an AND circuit jointly to cooperate with a not circuit and finishes.When air duct 10 stops air feed or this device can be along with outage time at the trial, the AND circuit NAND gate circuit is closed simultaneously, the power supply circuits conducting, buzzer 7 in the series circuit has electricity to send sound and light alarm with light emitting diode 8, and whether prompting maintenance personal Wind tunnel sensor 12 works or latch switch fault on-call maintenance occurs.
Utilize simultaneously this principle, produce output signal, this signal is delivered to outstation and is uploaded to computer supervisory control system by the power signal line 1 that outputs to ground.The ground monitoring staff can notify the processing that needs repairing of breaking down of dispatcher job location air duct immediately.Stop to occur methane accumulation or gas explosion accident.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (2)
1. the Wind tunnel sensor accident warning device comprises drum device, it is characterized in that: the accident warning device that links to each other with drum device is set, and the accident warning device series connection is at tongue tube (6) two ends of Wind tunnel sensor (12).
2. Wind tunnel sensor accident warning device according to claim 1, it is characterized in that: described accident warning device comprises control triode (9), resistance (4), buzzer (7) and light emitting diode (8), control triode (9) is in series with resistance (4), buzzer (7) and light emitting diode (8) are in series, connect an end of tongue tube normal opened contact (3) after the end that the end that control triode (9) is in series with resistance (4) and buzzer (7) and light emitting diode (8) are in series is in parallel, another termination input power (5) after buzzer (7) and light emitting diode (8) are in series, the normally closed contact (2) of tongue tube (6) links to each other with ground monitoring system by the power signal line (1) that outputs to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215151 CN202645635U (en) | 2012-05-15 | 2012-05-15 | Air pipe sensor fault warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215151 CN202645635U (en) | 2012-05-15 | 2012-05-15 | Air pipe sensor fault warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645635U true CN202645635U (en) | 2013-01-02 |
Family
ID=47414755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220215151 Expired - Fee Related CN202645635U (en) | 2012-05-15 | 2012-05-15 | Air pipe sensor fault warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202645635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989643A (en) * | 2017-12-13 | 2018-05-04 | 大同煤矿集团有限责任公司 | Wind tunnel sensor |
-
2012
- 2012-05-15 CN CN 201220215151 patent/CN202645635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989643A (en) * | 2017-12-13 | 2018-05-04 | 大同煤矿集团有限责任公司 | Wind tunnel sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140515 |