CN209988612U - Coal mine belt conveyor start-up line early warning device - Google Patents
Coal mine belt conveyor start-up line early warning device Download PDFInfo
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- CN209988612U CN209988612U CN201920812264.5U CN201920812264U CN209988612U CN 209988612 U CN209988612 U CN 209988612U CN 201920812264 U CN201920812264 U CN 201920812264U CN 209988612 U CN209988612 U CN 209988612U
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Abstract
The utility model provides a colliery rubber belt conveyor starts early warning device along line, including KHT type mining belt conveyor protection device control box, audio isolation coupler and a plurality of KBH127 mining flame proof and intrinsically safe type acoustic-optical signal devices, a plurality of KBH127 mining flame proof and intrinsically safe type acoustic-optical signal devices are arranged along the rubber belt conveyor at intervals, and two adjacent KBH127 mining flame proof and intrinsically safe type acoustic-optical signal devices are connected; the KHT type mining belt conveyor protection device control box is connected with a KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device close to the machine head side of the belt conveyor through an audio isolation coupler. The device can effectively improve the early warning range, can make effective warning to the staff along the line of rubber belt conveyor before rubber belt conveyor starts, can effectively improve the factor of safety in the rubber belt conveyor working process.
Description
Technical Field
The utility model relates to a colliery conveyer early warning device specifically is a colliery rubber belt conveyor starts early warning device along the line.
Background
The fully-mechanized mining face is mostly transported by using the rubber belt conveyor, when the rubber belt conveyor is started, because the distance between the head and the tail of the rubber belt conveyor is far, in the actual operation process, a driver of the rubber belt conveyor returns to the head of the conveyor after patrolling along the line and confirming that no problem exists, and the rubber belt conveyor is started. Before starting rubber belt conveyor, the rubber belt conveyor driver can send out through KHT type mining belt conveyor protection device's control box and start pronunciation early warning, with effectively remind the staff along the line, but its effective early warning scope is very little, only can hear near the aircraft nose personnel, can not hear totally to the personnel that are close to the tail part, and then can not realize timely early warning function, can not in time inform the staff that gets into rubber belt conveyor along the line once more, like this, start rubber belt conveyor and just have great potential safety hazard.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a colliery band conveyer starts early warning device along the line, and the device can effectively improve the early warning scope, can make effective warning to the staff along the line of band conveyer before band conveyer starts, can effectively improve the factor of safety in the band conveyer working process.
In order to realize the aim, the utility model provides a coal mine belt conveyor start line early warning device, which comprises a KHT type mine belt conveyor protection device control box, an audio isolation coupler and a plurality of KBH127 mine flameproof and intrinsically safe acousto-optic signal devices,
the plurality of KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices are arranged at intervals along the line of the rubber belt conveyor, and two adjacent KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices are connected;
the KHT type mining belt conveyor protection device control box is connected with a KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device close to the machine head side of the belt conveyor through an audio isolation coupler.
In the technical scheme, a plurality of KBH127 mining explosion-proof and intrinsic safety type acoustic-optical signal devices arranged along the line of the belt conveyor are connected with a KHT type mining belt conveyor protection device control box through audio isolation couplers after being cascaded, so that when the belt conveyor is started, starting voice early warning signals of the KHT type mining belt conveyor protection device control box are sequentially sent to the KBH127 mining explosion-proof and intrinsic safety type acoustic-optical signal devices through the audio isolation couplers, synchronous and effective warning reminding can be carried out along the line of the belt conveyor, workers along the line can be reminded to timely avoid the explosion-proof and intrinsic safety type acoustic-optical signal devices, the safety factor is further improved in a delayed starting mode of the belt conveyor, safety accidents can be effectively avoided, and safety production can be better guaranteed.
The audio isolation coupler comprises a capacitor C, a resistor R1, a voltage stabilizing diode DW, a resistor R2, a pin 1, a pin 2, a pin 3 and a pin 4, wherein two ends of the capacitor C are respectively connected with one end of the pin 1 and one end of the resistor R1, the other end of the resistor R1 is connected with the pin 3, the negative electrode of the voltage stabilizing diode DW is connected with a node between the capacitor C and the resistor R1, the positive electrode of the voltage stabilizing diode DW is respectively connected with the pin 2 and the pin 4 through a resistor R2, the pin 1 and the pin 2 of the audio isolation coupler are respectively connected with a + pin and a GND pin of a KHT type mining belt conveyor protection device control box, and the pin 3 and the pin 4 of the audio isolation coupler are respectively connected with a + pin and an OV pin of a KBH127 mining flameproof and intrinsically safe type acousto-optic signal.
The plurality of KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices are uniformly arranged along the line of the rubber belt conveyor, and the distance between every two adjacent KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices is 2-5 m.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the middle audio frequency isolation coupler of the present invention.
In the figure: 1. KHT type mining belt conveyor protection device control box, 2, audio isolation coupler, 3, KBH127 mining flame proof and intrinsic safety type acousto-optic signal device.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the coal mine belt conveyor start-up line early warning device comprises a KHT type mine belt conveyor protection device control box 1, an audio isolation coupler 2 and a plurality of KBH127 mine explosion-proof and intrinsic safety type acousto-optic signal devices 3,
the plurality of KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices 3 are arranged at intervals along the line of the rubber belt conveyor, and two adjacent KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices 3 are connected;
the KHT type mining belt conveyor protection device control box 1 is connected with a KBH127 mining explosion-proof and intrinsically safe type acousto-optic signal device 3 close to the head side of the belt conveyor through an audio isolation coupler 2.
The audio isolation coupler 2 comprises a capacitor C, a resistor R1, a voltage stabilizing diode DW, a resistor R2, a pin 1, a pin 2, a pin 3 and a pin 4, two ends of the capacitor C are respectively connected with one ends of the pin 1 and the resistor R1, the other end of the resistor R1 is connected with the pin 3, the negative electrode of the voltage stabilizing diode DW is connected with a node between the capacitor C and the resistor R1, the positive electrode of the voltage stabilizing diode DW is respectively connected with the pin 2 and the pin 4 through a resistor R2, the pin 1 and the pin 2 of the audio isolation coupler 2 are respectively connected with a + pin and a GND pin of a KHT type mining belt conveyor protection device control box 1, and the pin 3 and the pin 4 of the audio isolation coupler 2 are respectively connected with a + pin and an OV pin of a KBH127 mining flameproof and intrinsically safe type acousto-optic signal device 3.
The plurality of KBH127 mining flameproof and intrinsically safe acousto-optic signal devices 3 are uniformly arranged along the line of the rubber belt conveyor, and the distance between every two adjacent KBH127 mining flameproof and intrinsically safe acousto-optic signal devices 3 is 2-5 m.
The working principle is as follows:
before the belt conveyor is started, a driver of the belt conveyor starts a KHT type mining belt conveyor protection device control box 1, the KHT type mining belt conveyor protection device control box 1 sends out voice starting early warning, early warning voice audio signals are obtained, the voice signals are input through a pin 1 of an audio isolation coupler and are output to a pin 3 through a resistor R1 after being coupled through a capacitor C, then the audio signals of the KHT type mining belt conveyor protection device control box 1 are coupled and transmitted to an audio line of a first KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device 3 along the belt conveyor, then connecting lines between adjacent KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices 3 are sequentially transmitted along the lines until the last KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device 3, and the purpose of synchronously sending out starting voice early warning is achieved.
A capacitor C in the audio coupler is used for coupling audio signals, a resistor R1 is used for limiting current and reducing noise to improve tone quality, a voltage stabilizing diode DW is used for stabilizing voltage to prevent high voltage from damaging other devices by millions (the normal working voltage of an audio circuit is about 2.8V, and a resistor R2 is used for limiting current.A pin 2 and a pin 4 of the audio coupler are common lines of OV pins of a KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device 3.
The device effectively avoids the occurrence of safety accidents along the line of the belt conveyor, and can ensure the safety production of the belt conveyor.
Claims (3)
1. A coal mine belt conveyor start-up line early warning device comprises a KHT type mine belt conveyor protection device control box (1), and is characterized by further comprising an audio isolation coupler (2) and a plurality of KBH127 mine explosion-proof and intrinsic safety type acousto-optic signal devices (3),
the plurality of KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices (3) are arranged at intervals along the line of the rubber belt conveyor, and two adjacent KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal devices (3) are connected;
the KHT type mining belt conveyor protection device control box (1) is connected with a KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device (3) close to the machine head side of the belt conveyor through an audio isolation coupler (2).
2. The coal mine belt conveyor start-up line early warning device as claimed in claim 1, the audio frequency isolation coupler (2) comprises a capacitor C, a resistor R1, a voltage stabilizing diode DW, a resistor R2, a pin 1, a pin 2, a pin 3 and a pin 4, the two ends of the capacitor C are respectively connected with one ends of a pin 1 and a resistor R1, the other end of the resistor R1 is connected with a pin 3, the negative electrode of a voltage stabilizing diode DW is connected with a node between the capacitor C and the resistor R1, the positive electrode of the voltage stabilizing diode DW is respectively connected with a pin 2 and a pin 4 through a resistor R2, the pin 1 and the pin 2 of the audio isolating coupler (2) are respectively connected with a pin + and a GND pin of a KHT type mining belt conveyor protection device control box (1), and the pin 3 and the pin 4 of the audio isolating coupler (2) are respectively connected with a pin + and an OV pin of a KBH127 mining explosion-proof and intrinsic safety type acousto-optic signal device (3).
3. The coal mine belt conveyor starting line early warning device according to claim 1 or 2, wherein the plurality of KBH127 mining flameproof and intrinsically safe acousto-optic signal devices (3) are uniformly arranged along the line of the belt conveyor, and the distance between every two adjacent KBH127 mining flameproof and intrinsically safe acousto-optic signal devices (3) is 2-5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812264.5U CN209988612U (en) | 2019-05-31 | 2019-05-31 | Coal mine belt conveyor start-up line early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812264.5U CN209988612U (en) | 2019-05-31 | 2019-05-31 | Coal mine belt conveyor start-up line early warning device |
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| Publication Number | Publication Date |
|---|---|
| CN209988612U true CN209988612U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920812264.5U Expired - Fee Related CN209988612U (en) | 2019-05-31 | 2019-05-31 | Coal mine belt conveyor start-up line early warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303756A (en) * | 2022-09-13 | 2022-11-08 | 福建龙净环保股份有限公司 | Belt conveyor system and method for controlling starting and stopping of belt conveyor |
-
2019
- 2019-05-31 CN CN201920812264.5U patent/CN209988612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303756A (en) * | 2022-09-13 | 2022-11-08 | 福建龙净环保股份有限公司 | Belt conveyor system and method for controlling starting and stopping of belt conveyor |
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Granted publication date: 20200124 Termination date: 20200531 |