Excavating face gas abnormal emission audible and visual alarm

Abstract

The utility model discloses an audible and visual alarm for abnormal gas emission of a mining face, which comprises a mounting plate and a protective box, the mounting plate is mounted on a wall through bolts, the protective box is mounted at the other end of the mounting plate, a sealing door is mounted at the front end of the protective box, an audible and visual alarm body is mounted in the protective box, and the audible and visual alarm body is connected with the audible and visual alarm body. The utility model provides an audible and visual alarm for abnormal gas emission of a mining face, which solves the problems that the audible and visual alarm used on the mining face at present is usually installed on the wall surface of the mining face through bolts, the humidity of an underground mine is usually large, and the gas emission of the mining face is not abnormal. In the prior art, in a high-humidity environment for a long time, electronic components in the alarm are easily affected with damp and short circuit, so that normal work of the alarm is affected, for example, in the humid environment, welding spots on a circuit board may rust and corrode to cause circuit faults, and the alarm cannot be effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining safety equipment technical field especially relates to a kind of sound and light alarms of gas abnormal emission of mining face. BACKGROUND

[0002] Gas abnormal emission of mining face refers to the gas in the mining operation process of coal mine, gas is suddenly released from coal seam or rock layer in large quantities, which is a very dangerous situation, can pose a serious threat to the safety of personnel in mine, and the gas content of different coal seams is very different, some coal seams have strong gas generation capacity, and the coal seam permeability is poor, which leads to gas accumulation in coal seam, when mining these coal seams, gas is easy to abnormal emission, and the cooperation of monitoring system and sound and light alarm is needed to monitor such safety hazards, and the sound and light alarm is a commonly used safety protection equipment.

[0003] At present, the sound and light alarm used in mining face is usually installed on the wall surface of mining face by bolt, the humidity of underground mine is usually large, and the electronic components inside the alarm are easy to be damp and short-circuited in long-term high-humidity environment, thereby affecting its normal work, for example, the soldering points on the circuit board may rust and corrode in humid environment, leading to circuit failure, and the alarm cannot be effectively protected.

[0004] Therefore, it is necessary to provide a sound and light alarm for gas abnormal emission of mining face to solve the above technical problems. UTILITY MODEL CONTENT

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sound and light alarm for gas abnormal emission of mining face to solve the above technical problems.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sound and light alarm for gas abnormal emission of mining face, comprising: a mounting plate, a protection box;

[0008] The mounting plate is installed on the wall by bolt, the other end of the mounting plate is provided with a protection box, the front end of the protection box is provided with a sealing door, the inside of the protection box is provided with a sound and light alarm body, and the both sides of the protection box are provided with connecting ports, which are communicated with the protection box.

[0009] In one embodiment, the protection box is composed of a heat dissipation opening, a mounting opening and a mounting pipe, the outer side of the protection box is provided with the heat dissipation opening, the inner bottom of the protection box is provided with the mounting opening, the mounting opening is circular in overall structure, and the bottom of the mounting opening is provided with the mounting pipe, and the inner circumferential surface of the mounting pipe is provided with a threaded groove at the bottom.

[0010] In one embodiment, the mounting pipe is internally provided with a protection mechanism, the protection mechanism is composed of a fixing rod, a connecting rod, a top plate, a partition plate, a baffle and a desiccant bag, the diameter of the fixing rod is matched with the inner diameter of the mounting pipe, the outer circumferential surface of the fixing rod is provided with an external thread at the upper portion and is engaged with the threaded groove, the top surface of the fixing rod is connected with the top plate through the connecting rod, the top plate is disc-shaped in overall structure, the top surface of the top plate is annularly arranged with the partition plates, the top plate is divided into a plurality of placement areas by the partition plates, the outer side between adjacent partition plates is provided with the baffle, and the placement areas between adjacent partition plates are both provided with the desiccant bag, and the desiccant bag is a silica gel desiccant.

[0011] In one embodiment, the bottom of the fixing rod is provided with an inspection opening, and the inspection opening is polygonal in overall structure.

[0012] In one embodiment, the outer side of the protection box is provided with an air deflector, the air deflector is outwardly expanded in overall structure, the inner wall surface of the air deflector is attached with a dust sticking film, and the air deflector and the protection box are connected through bolts.

[0013] The beneficial effects of the utility model are as follows:

[0014] (1), the utility model discloses a protection box is set, the sound light alarm body is effectively protected, and the humidity, dust adhesion amount is reduced, and the sound light alarm body is protected, and the setting of desiccant bag is set, and silica gel desiccant has good hygroscopicity, can absorb the moisture in air, thereby reducing the humidity around the sound light alarm body, and the further collection of humidity is improved, and the protection effect of the sound light alarm body is improved.

[0015] (2), the utility model discloses an air deflector structure and dust sticking film are used in cooperation, and the dust in air is adhered before the outside air enters the heat dissipation opening, which helps to capture part of the dust and improve the cleanliness of the subsequent sound light alarm body. DRAWINGS

[0016] Figure 1 It is the overall structural drawing of the utility model;

[0017] Figure 2 It is the detail drawing of the utility model after splitting each component;

[0018] Figure 3The utility model discloses a protection box detail drawing.

[0019] Figure 4 The utility model discloses a protection mechanism detail drawing.

[0020] Among them, the name corresponding to the reference sign is: mounting plate 1, protection box 2, sealing door 21, audible and light alarm body 22, protection box 3, heat dissipation port 31, mounting port 32, mounting pipe 33, protection mechanism 4, fixed rod 41, connecting rod 42, top plate 43, partition 44, baffle 45, desiccant bag 46, access hole 47, wind deflector 5, dust sticking film 51. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and examples, and the mode of the utility model includes but is not limited to the following examples.

[0022] As Figures 1-2 The utility model provides a kind of gas abnormal emission audible and light alarm in mining face, comprising: mounting plate 1, protection box 2;

[0023] As Figures 1-2 The mounting plate 1 is installed at wall by bolt, the other end of the mounting plate 1 is equipped with protection box 2, the front end of the protection box 2 is equipped with sealing door 21, the inside of the protection box 2 is equipped with audible and light alarm body 22, the both sides of the protection box 2 are all equipped with connecting port, connecting port is communicated with the arrangement of protection box 3, by the arrangement of protection box 2, audible and light alarm body 22 is effectively protected, reduces humidity, dust adhesion amount, protects audible and light alarm body 22.

[0024] Preferably, in an embodiment, as Figures 2-3 The protection box 3 is composed of heat dissipation port 31, mounting port 32 and mounting pipe 33, the outside of the protection box 3 is equipped with heat dissipation port 31, the inner bottom of the protection box 3 is equipped with mounting port 32, the mounting port 32 is circular structure as a whole, and the bottom is equipped with mounting pipe 33, the inner circumferential surface bottom of the mounting pipe 33 is equipped with thread groove, by the arrangement of heat dissipation port 31, it is helpful to the ventilation and heat dissipation of protection box 2 inside.

[0025] Preferably, in an embodiment, as Figures 3-4As shown, the installation pipe 33 is internally installed with a protection mechanism 4, the protection mechanism 4 is composed of a fixed rod 41, a connecting rod 42, a top plate 43, a partition plate 44, a baffle 45 and a desiccant bag 46, the diameter of the fixed rod 41 is matched with the inner diameter of the installation pipe 33, the outer periphery of the upper portion of the fixed rod 41 is internally installed with an external thread which is connected with a threaded groove, the top surface of the fixed rod 41 is connected with the top plate 43 through the connecting rod 42, the top plate 43 is a disc structure, the top surface of the top plate 43 is internally installed with the partition plate 44 in an annular array, the partition plate 44 divides the top plate 43 into a plurality of placement areas, the outer side between adjacent partition plates 44 is internally installed with the baffle 45, and the placement area between adjacent partition plates 44 is internally placed with the desiccant bag 46, the desiccant bag 46 is a silica gel desiccant, in working, through the setting of the desiccant bag 46, the silica gel desiccant has good moisture absorption performance and can absorb the moisture in the air, thereby reducing the humidity around the sound and light alarm body 22, through the placement of a plurality of desiccant bags 46 between the heat dissipation port 31 and the protection box 2, the collection of the humidity is further improved, and the protection effect of the sound and light alarm body 22 is improved.

[0026] Preferably, in one embodiment, as Figure 4 As shown, the bottom of the fixed rod 41 is internally provided with an inspection opening 47, the inspection opening 47 is a polygonal structure, in working, a rod body matched with the inspection opening 47 is manually held, the rod body is inserted into the inspection opening 47, the fixed rod 41 is screwed from the installation pipe 33 to a separated state, the top plate 43 is taken out, the desiccant bag 46 is replaced, and the desiccant bag 46 is regularly checked and replaced, so that the desiccant bag 46 is replaced in time when the desiccant bag 46 is saturated, and the humidity removal effect is ensured, through the structural setting, the replacement of the desiccant bag 46 is more convenient, and the manual operation and maintenance are facilitated.

[0027] Preferably, in one embodiment, as Figure 3 As shown, the outer side of the protection box 3 is internally installed with a wind deflector 5, the wind deflector 5 is externally expanded, the inner wall surface of the wind deflector 5 is internally attached with a dust sticking film 51, and the wind deflector 5 is connected with the protection box 3 through a bolt, in working, through the cooperation of the structure of the wind deflector 5 and the dust sticking film 51, the dust in the air is adhered before the air enters the heat dissipation port 31, part of the dust is captured, the cleanliness of the sound and light alarm body 22 is improved, and the alarm sound emitted by the sound and light alarm body 22 is diffused due to the horn-shaped structure of the wind deflector 5.

[0028] The working principle of the utility model:

[0029] In work, when the sound-light alarm body 22 is triggered, the sound-light alarm body 22 emits sound and controls the flash lamp to flash at the same time, through the setting of the protection box 2, the sound-light alarm body 22 is effectively protected, the amount of moisture and dust adhesion is reduced, the sound-light alarm body 22 is protected, through the setting of the desiccant bag 46, the silica gel desiccant has good moisture absorption performance, can absorb the moisture in the air, thereby reducing the humidity around the sound-light alarm body 22, through the placement of the plurality of desiccant bags 46 between the heat dissipation opening 31 and the protection box 2, the collection of the moisture is further improved, and the protection effect of the sound-light alarm body 22 is further improved.

[0030] The above embodiment is only one of the preferred embodiments of the utility model, should not be used to limit the protection scope of the utility model, but any substantive change or polishing made in the main design idea and spirit of the utility model, the technical problems solved are still consistent with the utility model, and should be included in the protection scope of the utility model.

Claims

1. A sound and light alarm for abnormal gas emission in a mining face, characterized in that, Include: Mounting plate, protection box; The mounting plate is installed on the wall by bolts, the other end of the mounting plate is provided with a protection box, the front end of the protection box is provided with a sealing door, the inside of the protection box is provided with a sound and light alarm body, and the two sides of the protection box are provided with connecting ports which are communicated with the protection box.

2. The acoustic and light alarm for gas emission anomaly in a mining face according to claim 1, characterized in that, The protection box is composed of a heat dissipation port, a mounting port and a mounting pipe, the outer side of the protection box is provided with a heat dissipation port, the inner bottom of the protection box is provided with a mounting port, the mounting port is circular in structure, and the bottom of the mounting port is provided with a mounting pipe, and the inner circumferential surface of the mounting pipe is provided with a threaded groove at the bottom.

3. The acoustic and light alarm for gas emission anomaly in a mining face according to claim 2, characterized in that, The mounting pipe is internally provided with a protection mechanism, the protection mechanism is composed of a fixed rod, a connecting rod, a top plate, a partition plate, a baffle and a desiccant bag, the diameter of the fixed rod is matched with the inner diameter of the mounting pipe, the outer circumferential surface of the fixed rod is provided with an external thread which is engaged with the threaded groove, the top surface of the fixed rod is connected with the top plate through the connecting rod, the top plate is disc-shaped in structure, and the top surface of the top plate is annularly provided with the partition plate, the top plate is divided into a plurality of placing areas by the partition plate, the outer side between adjacent partition plates is provided with a baffle, and the placing area between adjacent partition plates is provided with a desiccant bag, and the desiccant bag is a silica gel desiccant.

4. The acoustic and light alarm for gas emission anomaly in a mining face according to claim 3, characterized in that, The bottom of the fixed rod is provided with an inspection port, and the inspection port is polygonal in structure.

5. The acoustic and light alarm for gas emission anomaly in a mining face according to claim 2, characterized in that, The outer side of the protection box is provided with a wind deflector, the wind deflector is outwardly expanded, and the inner wall surface of the wind deflector is attached with a dust sticking film.

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