CN213637870U - Mining intrinsic safety type public address telephone with fault state indication - Google Patents

Abstract

The utility model belongs to the technical field of underground coal mine communication equipment; when the underground line of the coal mine has problems, the difficulty of searching the telephone in the roadway with dark light is high, and the processing time is long, the commonly adopted method of 'throwing protection' breaks away from the safe operation regulation, the utility model provides a mine intrinsic safety type public address telephone with fault state indication, a locking indicator lamp is connected with the power supply of a locking plate through an emergency stop button, two state indicator lamps are respectively connected with the front-level and the rear-level communication state output terminals of the locking plate, state information is uploaded through the front-level public address telephone, when an addressing line or a terminal between two public address telephones fails, a state indicating lamp at the fault side is turned on constantly, a host display screen alarms corresponding fault information, and a worker checks the corresponding public address telephone and the corresponding line at the fault side according to the alarm state information, so that the working efficiency of underground workers is improved by accurate positioning.

Description

Mining intrinsic safety type public address telephone with fault state indication

Technical Field

The utility model relates to a colliery is with public address telephone in pit, and more specifically says, relates to a mining ann's type public address telephone with fault status indication.

Background

Centralized control and unattended operation of the gate belts are gradually popularized in mines of coal enterprises, and therefore when equipment fails, equipment maintenance personnel need to find a failure point in the shortest time and immediately remove the failure. With the development of coal mining technology, the distance between the tunnels of a mine is more and more far, the belt is increased, when a line has a problem, the difficulty of searching for a telephone in the tunnel with dark light is high, the processing time is long, and in order to reduce the fault processing time, a 'throwing protection' method is usually adopted for temporary processing, so that the safety operation rule of the coal mine is violated, and the safety production of the mine is greatly threatened.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a mining ann's type public address telephone with fault status indication, this utility model mainly used solves the problem that the fault point is difficult to the judgement in the long distance crossheading belt centralized control.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a mining intrinsic safety type public address telephone with fault state indication comprises a stay wire locking component, a voice box component, an emergency stop component and a voice module, and further comprises a state indication circuit for fault alarm and a locking plate for fixing the state indication circuit, wherein the locking plate is positioned in the voice box; the state indicating circuit comprises a first locking state branch and a second locking state branch, the state indicating circuit is provided with a locking indicating lamp and two state indicating lamps which are respectively used for indicating the state of a front-stage line and the state of a rear-stage line, the locking indicating lamp is positioned on the upper cover of the stay wire box body, and the locking indicating lamp is connected with a power supply of the locking plate through an emergency stop button to form the first locking state branch; the two state indicating lamps are respectively positioned on two sides of the stay wire box body, the two state indicating lamps are respectively connected with a front-stage communication state output terminal and a rear-stage communication state output terminal of the locking plate, and the two state indicating lamps are connected with a power supply of the locking plate through the correspondingly connected state output terminals to form a second locking state branch.

Further, the state information of the mining intrinsic safety type public address telephone is uploaded through the previous level public address telephone.

Further, the information state of the mining intrinsic safety type public address telephone is provided with photoelectric isolation.

Further, the status indicator light and the locking indicator light are both double-color indicator lights.

Furthermore, the two status indicator lamps are connected by a common anode, the status colors of the two status indicator lamps connected with the first locking status branch are the same, and the status colors of the two status indicator lamps connected with the addressing line are the same.

Further, two status indicator lamps are parallel with the roadway direction.

Further, the status indicating circuit also includes a cable holder for a seven-core cable for communication and power.

In conclusion, the invention has the following beneficial effects:

the utility model discloses an emergency stop parking is accomplished through hardware shutting, and trouble address and sensor state are accomplished by single addressing line in the seven-core cable; the belt control host can be ensured to stop immediately after the emergency stop push rod is knocked down or the cable is pulled, the transmission of communication information is delayed or interfered, and the safety performance of a belt control system is not influenced; each public address telephone and the host can be externally connected with a sensor for a belt, so that accurate positioning is realized, information of a fault point is displayed on a display screen, and the working efficiency of underground personnel is improved; when the addressing line or the terminal between the two public address telephones has a fault, the state indicator lamp at the fault side of the public address telephone is turned on normally, the display screen of the host machine can also alarm corresponding fault information, and a worker inspects the corresponding public address telephone and the corresponding line at the fault side according to the alarm state information.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a cross-sectional view of a portion of the pull-cord lock of the present invention;

FIG. 4 is a side view of the voice and warning panel of the present invention;

FIG. 5 is a diagram of the voice box structure of the present invention;

fig. 6 is a wiring diagram of the locking plate of the present invention.

In the figure: the system comprises a 1-stay wire box upper cover, a 2-stay wire locking box, a 3-voice early warning box, a 4-state indicator light, a 5-locking indicator light, a 6-horn, a 7-emergency stop button, an 8-cable seat, a 9-cable head, a 10-pull rod shaft, an 11-compression spring, a 12-stay wire locking clamp plate, a 13-emergency stop push rod, a 14-voice module, a 15-early warning button, a 16-voice button and a 17-locking plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, the utility model discloses a mining ann's type public address telephone with trouble state indication, including acting as go-between shutting subassembly, pronunciation box subassembly, scram subassembly and voice module 14, the state information of mining ann's type public address telephone's communication uploads through preceding one-level public address telephone, and the single line communication of sampling between the mining ann's type public address telephone of preceding one-level and back one-level, and the input and the output of every public address telephone communication line all set up photoelectric isolation, reduce communication line's energy loss and mutual interference, ensure that communication state does not receive the influence of total belt length; the mining intrinsic safety type public address telephone also comprises a state indicating circuit for fault alarming and a locking plate 17 for fixing the state indicating circuit, wherein the locking plate 17 is positioned in the voice early warning box body 3; the state indicating circuit comprises a first locking state branch and a second locking state branch, the state indicating circuit is provided with a locking indicating lamp 5 and two state indicating lamps 4 which are respectively used for indicating the state of a front-stage line and the state of a rear-stage line, the state indicating lamps 4 and the locking indicating lamps 5 are double-color indicating lamps, the locking indicating lamp 5 is positioned on the upper cover 1 of the wire pulling box body, and the locking indicating lamp 5 is connected with a power supply of a locking plate 17 through an emergency stop button 7 to form a first locking state branch; two status indicator lamps 4 are respectively positioned at two sides of the bracing wire box body, the two status indicator lamps 4 are parallel to the direction of a roadway, the two status indicator lamps 4 are respectively connected with a front-stage communication status output terminal and a rear-stage communication status output terminal of a locking plate 17, the two status indicator lamps 4 are connected with a power supply of the locking plate 17 through the status output terminals correspondingly connected to form a second locking status branch, the two status indicator lamps 4 are connected in a common anode mode, the status colors of the two status indicator lamps 4 connected with the first locking status branch are the same, the status colors of the two status indicator lamps connected with addressing lines are the same, in the embodiment shown in figure 6, the two-color indicator lamps adopt red and green colors, the red statuses of the two status indicator lamps 4 are respectively connected with the addressing line status terminals of the front stage and the rear stage, the green status is connected with the first locking status branch, when the public address telephone normally works, the two status indicator lamps 4 are, the red normally-on state represents that a part of communication connected with the red normally-on state is abnormal, abnormal information is uploaded to the belt control host, and a fault point is searched and checked according to fault indication of the host; when the cable head 9 is pulled or the emergency stop button 7 is pressed, the emergency stop circuit is locked, the belt control host machine is stopped immediately, and meanwhile, the fault state is uploaded to a display of the belt control host machine; when the addressing line of current one-level or back one-level broke down, the utility model discloses the status indicator lamp 4 of one side that corresponds becomes the state of often brightening from the scintillation, and the fault information that patrolling and examining personnel received through the belt control host computer finds the fault point on the display, and status indicator lamp 4 helps patrolling and examining personnel through the position of the public address telephone that the state location of pilot lamp broke down in the long and narrow tunnel of dark.

The state indicating circuit further comprises a cable seat 8 of a seven-core cable for communication and power supply, the seven-core cable comprises 2 CAN buses, 2 power lines of 18V, 1 emergency stop line, 1 audio line and 1 addressing line, a CAN bus communication mode is adopted among the belt control hosts to form centralized control of a plurality of belts, and a plurality of mining intrinsic safety type public address telephones and the belt control hosts which are arranged along one belt complete information exchange through the addressing lines; fig. 6 shows, the utility model discloses a locking plate 17 adopts single addressing line to be connected with the belt protection host computer, and this addressing line is connected with locking plate 17 through one of advancing one of seven core cables, and addressing signal combines opening and closing of optoelectronic coupling to accomplish communication information's transmission and receipt. One path of signal of the emergency stop button 7 is used for hardware locking, the other path of signal is sent to the locking plate 17, the locking plate 17 lights the corresponding status indicator lamp 4 according to the received signal, and the information is uploaded to the belt control host; the locking plate 17 is also provided with an external sensor interface for off tracking, coal piling, smoke, temperature and the like, the interface adopts a three-wire system 4-20MA current signal to acquire a matched sensor signal, and uploads the position of a telephone and the state of a sensor to a belt control host through an addressing line so as to meet the sensor signal acquisition function along the belt.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a mining ann's type public address telephone with trouble state indication, includes that acting as go-between shutting subassembly, pronunciation box subassembly, scram subassembly and voice module (14), its characterized in that: the mining intrinsic safety type public address telephone further comprises a state indicating circuit for fault alarming and a locking plate (17) for fixing the state indicating circuit, wherein the locking plate (17) is positioned in the voice box body;

the state indicating circuit comprises a first locking state branch and a second locking state branch, the state indicating circuit is provided with a locking indicating lamp (5) and two state indicating lamps (4) which are respectively used for indicating the state of a previous-stage line and the state of a next-stage line, the locking indicating lamp (5) is positioned on the upper cover (1) of the stay wire box body, and the locking indicating lamp (5) is connected with a power supply of a locking plate (17) through an emergency stop button (7) to form a first locking state branch;

the two state indicating lamps (4) are respectively positioned at two sides of the stay wire box body, the two state indicating lamps (4) are respectively connected with a previous-stage communication state output terminal and a next-stage communication state output terminal of the locking plate (17), and the two state indicating lamps (4) are connected with a power supply of the locking plate (17) through the state output terminals correspondingly connected to form a second locking state branch.

2. The mining intrinsically safe amplified telephone with fault status indication of claim 1, wherein: and the state information of the mining intrinsic safety type public address telephone is uploaded through the previous-stage public address telephone.

3. A mining intrinsically safe amplified telephone with fault status indication as claimed in claim 1 or 2, characterized in that: the information state of the mining intrinsic safety type public address telephone is provided with photoelectric isolation.

4. The mining intrinsically safe amplified telephone with fault status indication of claim 1, wherein: the state indicator lamp (4) and the locking indicator lamp (5) are both double-color indicator lamps.

5. The mining intrinsically safe amplified telephone with fault status indication according to claim 1, 2 or 4, characterized in that: the two state indicating lamps (4) are connected in a common anode mode, the state colors of the two state indicating lamps (4) connected with the first locking state branch are the same, and the state colors of the two state indicating lamps connected with the addressing line are the same.

6. The mining intrinsically safe amplified telephone with fault status indication of claim 5, wherein: the two status indicator lamps (4) are parallel to the roadway direction.

7. The mining intrinsically safe amplified telephone with fault status indication of claim 1, wherein: the status indication circuit further comprises a cable holder (8) for a seven-core cable for communication and power supply.

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