Communication device for coal mine safety management

Abstract

The utility model discloses a communication device for coal mine safety management, and belongs to the technical field of coal mine safety. A communication device for coal mine safety management comprises a safety helmet and an interphone arranged on the safety helmet, and further comprises a fixing seat fixedly arranged on the outer wall of the safety helmet, the interphone is detachably arranged in the fixing seat, and a communication part connected with the interphone is arranged in the safety helmet; according to the utility model, the interphone is combined with the safety helmet, and the second sound transmission holes communicated with the loudspeaker of the interphone are arranged in the earmuffs of the safety helmet, so that the sound emitted by the interphone can be directly transmitted to the ears of a user, and the bad influence of external noise on the safety helmet is reduced; according to the interphone provided by the utility model, the sound receiving tube similar to a microphone is rotatably arranged on the fixed seat, the speaking sound of a user can be transmitted to the interphone receiver through the connecting tube and the sound outlet hole to realize communication, the operation is simple and convenient, both hands can be liberated, and the use experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine safety, in particular to a communication device for coal mine safety management. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. In the daily work of coal mines, there needs to be constant close connection between commanders and implementers in order to continuously carry out the corresponding coal mining work.

[0003] Handheld walkie-talkies are usually used for communication in mines. However, when using existing walkie-talkies, due to the noisy sound in the mine, the walkie-talkie needs to be placed next to the ear in order to hear the sound coming from the walkie-talkie clearly. On the one hand, because of wearing a helmet, the walkie-talkie will interfere with the helmet, resulting in the walkie-talkie not being able to be close to the ear. On the other hand, when speaking, the walkie-talkie needs to be placed next to the mouth, and it is inconvenient to operate back and forth. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that a walkie-talkie may interfere with a helmet during use, thus affecting the use effect, and proposes a communication device for coal mine safety management.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A communication device for coal mine safety management includes a safety helmet and an intercom arranged on the safety helmet, and also includes a fixing seat fixedly arranged on the outer wall of the safety helmet, the intercom is detachably arranged in the fixing seat, and a communication unit connected to the intercom is arranged in the safety helmet.

[0007] To facilitate the installation of the intercom, preferably, an installation groove is provided in the fixing seat, the intercom is slidably arranged in the installation groove, a groove is provided on the outer wall of the fixing seat, a back clip is fixedly arranged on the intercom, the back clip is snap-connected with the groove, and a limit assembly for limiting the sliding of the intercom is provided in the fixing seat.

[0008] In order to further limit the intercom in the installation groove, the limiting assembly further includes a pull rod, a limiting groove is opened in the fixing seat, a limiting plate is slidably arranged in the limiting groove, the pull rod extends into the limiting groove and is fixedly connected to the limiting plate, and a clamping plate is fixedly arranged on the limiting plate, and the clamping plate is clamped and connected to the outer wall of the intercom.

[0009] In order to ensure the reliability of the limiting effect, further, a spring is sleeved on the pull rod, and two ends of the spring are respectively against the limiting groove and the limiting plate.

[0010] Preferably, ear protectors are fixedly provided on both sides of the safety helmet, and the two sets of ear protectors are connected by an adjustment belt.

[0011] Furthermore, the communication part includes a first sound transmission hole, which is opened on the inner wall of the installation groove, and a second sound transmission hole connected to the first sound transmission hole is opened on the inner wall of the earmuff on one side, the intercom speaker is connected to the first sound transmission hole, and a sound outlet hole is opened on the inner wall of the fixing seat, and the sound outlet hole is connected to the intercom receiver, and a sound receiving tube connected to the sound outlet hole is arranged on the fixing seat.

[0012] Furthermore, a rotating shaft is rotatably arranged in the fixing seat, one end of the sound receiving tube is fixedly connected to one end of the rotating shaft extending out of the fixing seat, and a connecting tube is provided in the rotating shaft, both ends of the connecting tube are respectively connected to the sound outlet and the sound receiving tube, and a pressing plate for pressing the talk button of the intercom is provided in the fixing seat.

[0013] Furthermore, a key slot is provided on the inner wall of the installation slot, the intercom talk key is located in the key slot, and an elastic plate is fixedly arranged in the key slot, one end of the elastic plate is fixedly connected to the pressing plate, and an inclined guide block for driving the pressing plate to press is slidably arranged in the fixed seat.

[0014] Furthermore, a slide groove connected to the key groove is provided in the fixed seat, a sliding plate is slidably arranged in the slide groove, the inclined guide block is fixedly connected to one end of the sliding plate, and a driving part for driving the sliding plate to slide is arranged in the fixed seat.

[0015] Furthermore, the driving part includes a gear fixedly arranged on the rotating shaft, a rack meshing with the gear is fixedly arranged on the sliding plate, and a ball is elastically arranged on the sliding plate, arc grooves are equidistantly opened on the inner wall of the sliding groove, and the ball is engaged and connected with the arc groove.

[0016] Compared with the prior art, the utility model provides a communication device for coal mine safety management, which has the following beneficial effects:

[0017] 1. The communication device for coal mine safety management combines an intercom with a safety helmet. A second sound transmission hole connected to the intercom speaker is arranged in the earmuffs of the safety helmet, so that the sound from the intercom can be directly transmitted to the user's ears, reducing the adverse effects of external noise on the user. A sound receiving tube similar to a microphone is rotatably arranged on the fixed seat, and the user's voice can be transmitted to the intercom receiver through the connecting tube and the sound outlet hole, thereby realizing communication. The operation is simple and convenient, and both hands can be freed, thereby improving the user experience.

[0018] 2. The communication device for coal mine safety management has a groove on the fixing base and a back clip fixed on the intercom to prevent the intercom from falling off the fixing base. A card plate is slidably provided on the fixing base to further restrict the intercom in the installation groove, thereby improving the use effect.

[0019] The parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. The utility model combines the walkie-talkie with the safety helmet, and a second sound transmission hole connected to the speaker of the walkie-talkie is arranged in the earmuffs of the safety helmet. The sound emitted by the walkie-talkie can be directly transmitted to the user's ears, reducing the adverse effects of external noise on it. A sound receiving tube similar to a microphone is rotatably arranged on the fixed seat, and the sound of the user's speech can be transmitted to the walkie-talkie receiver through the connecting tube and the sound outlet hole, thereby realizing communication. The utility model is simple and convenient to operate, and can also free both hands, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of a communication device for coal mine safety management proposed by the utility model Figure 1 ;

[0021] Figure 2 A schematic diagram of the structure of a communication device for coal mine safety management proposed by the utility model Figure 2 ;

[0022] Figure 3 This is a side view of a communication device for coal mine safety management proposed by the utility model;

[0023] Figure 4 This is a cross-sectional view of a communication device fixing base for coal mine safety management proposed by the utility model;

[0024] Figure 5 The utility model is a structural schematic diagram of a communication device fixing seat for coal mine safety management.

[0025] In the figure: 1. safety helmet; 101. earmuffs; 102. second sound transmission hole; 2. intercom; 201. back clip; 3. fixing seat; 301. mounting slot; 302. groove; 303. limit slot; 304. key slot; 305. first sound transmission hole; 306. sound outlet hole; 4. rotating shaft; 401. sound receiving tube; 402. connecting tube; 403. gear; 5. sliding plate; 501. inclined guide block; 502. rack; 6. elastic plate; 601. pressing plate; 7. pull rod; 701. limit plate; 702. clamping plate; 703. spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention. Example

[0028] Reference Figure 1-Figure 5 , a communication device for coal mine safety management, comprising a safety helmet 1 and an intercom 2 arranged on the safety helmet 1, and also comprising a fixing base 3 fixedly arranged on the outer wall of the safety helmet 1, the fixing base 3 is preferably arranged on the outer side of the right ear of the safety helmet 1, so as to facilitate the operation by the right hand and improve the use effect, and the intercom 2 is disassembled and arranged in the fixing base 3, and a communication part connected with the intercom 2 is arranged in the safety helmet 1. When in use, by setting the intercom 2 in the fixing base 3, on the one hand, it is convenient to take and put, and on the other hand, a second sound transmission hole 102 connected with the speaker of the intercom 2 is arranged in the earmuff 101 of the safety helmet 1, so that the sound emitted by the intercom 2 can be directly transmitted to the ear of the user, reducing the adverse effect of external noise on it, and a sound receiving tube 401 similar to a microphone is rotatably arranged on the fixing base 3, and the user speaks to the sound receiving tube 401, and the sound can be transmitted to the receiver of the intercom 2 through the connecting tube 402 and the sound outlet 306, so as to realize communication and exchange, and the operation is simple and convenient, and both hands can be freed to improve the use experience.

[0029] Reference Figure 1 A mounting groove 301 is provided in the fixing seat 3, and the intercom 2 is slidably set in the mounting groove 301. A groove 302 is provided on the outer wall of the fixing seat 3. A back clip 201 is fixedly provided on the intercom 2, and the back clip 201 is engaged and connected with the groove 302, and a limiting component for limiting the sliding of the intercom 2 is provided in the fixing seat 3. When in use, the intercom 2 is installed in the mounting groove 301 by providing the mounting groove 301 in the fixing seat 3, which is convenient for assembly and disassembly, and the back clip 201 of the intercom 2 is engaged in the groove 302 to prevent the intercom 2 from sliding out of the mounting groove 301. Furthermore, a limiting component is provided on the fixing seat 3, and the user can further prevent the intercom 2 from falling during running, thereby improving the safety of use.

[0030] Reference Figure 1 , Figure 3 and Figure 4 The limit assembly can be threadedly connected to the bolt on the fixing seat 3, so that one end of the bolt located in the installation groove 301 is engaged with the outer wall of the intercom 2. Here, the limit assembly is designed as a pull rod 7, a limit groove 303 is provided in the fixing seat 3, a limit plate 701 is slidably arranged in the limit groove 303, the pull rod 7 is extended into the limit groove 303 and fixedly connected with the limit plate 701, and a clamping plate 702 is fixedly arranged on the limit plate 701, and the clamping plate 702 is connected to the intercom 2 When in use, the limit plate 701 and the card plate 702 are slid by the pull rod 7, so that the card plate 702 slides into the limit groove 303 and is separated from the card connection with the outer wall of the intercom 2. At this time, the intercom 2 can be taken out from the installation groove 301. Conversely, when the intercom 2 is installed in the installation groove 301 and installed in place, the pull rod 7 is pushed, and the limit plate 701 can bring the card plate 702 to the outer wall of the intercom 2 and be card-connected with the outer wall of the intercom 2. In order to ensure that the card plate 702 is always in an engaged state with the intercom 2, a spring 703 is sleeved on the pull rod 7, and the two ends of the spring 703 are respectively against the limit groove 303 and the limit plate 701. When in use, by sleeved on the pull rod 7, when there is no external force, the card plate 702 can always be engaged with the outer wall of the intercom 2 under the action of the elastic force of the spring 703, thereby improving the fixing effect and preventing the card plate 702 from sliding and disengaging from the intercom 2 during running, resulting in loss of the limiting effect.

[0031] Reference Figure 1-Figure 3 Ear defenders 101 are fixedly arranged on both sides of the safety helmet 1, and the two sets of ear defenders 101 are connected by an adjustment belt. When in use, the ear defenders 101 are fixedly arranged on both sides of the safety helmet 1, so as to improve the protection of the user's ears. Moreover, adjustment belts are arranged on the two sets of ear defenders 101, so as to prevent the safety helmet 1 from falling off and improve the wearing effect.

[0032] Reference Figure 1-Figure 5The communication part includes a first sound transmission hole 305 opened on the inner wall of the installation groove 301, and a second sound transmission hole 102 connected to the first sound transmission hole 305 is opened on the inner wall of one side of the earmuff 101, and the speaker of the intercom 2 is connected to the first sound transmission hole 305, that is, after the intercom 2 is placed in the installation groove 301, the speaker of the intercom 2 is just facing the first sound transmission hole 305, and a sound outlet hole 306 is opened on the inner wall of the fixing base 3, and the sound outlet hole 306 is connected to the receiver of the intercom 2. Similarly, after the intercom 2 is installed in place, the receiver of the intercom 2 is facing the sound outlet hole 306, and a sound outlet hole 306 connected to the sound outlet hole 306 is provided on the fixing base 3. The sound receiving tube 401 connected to the sound hole 306 is a hollow pipe. When in use, a first sound transmission hole 305 is opened in the installation groove 301, and a second sound transmission hole 102 is opened in the ear protector 101. The sound emitted by the speaker of the intercom 2 can be transmitted to the second sound transmission hole 102 through the first sound transmission hole 305, so that the sound is transmitted to the user's ear. Then, when speaking, the sound receiving tube 401 is rotated so that one end is located at the user's mouth. Then the user speaks to the sound receiving tube 401, and the sound is transmitted to the sound outlet hole 306 through the connecting tube 402, and finally transmitted to the receiver part of the intercom 2, so as to achieve a communication effect.

[0033] Reference Figure 1 , Figure 3 , Figure 4 and Figure 5 A rotating shaft 4 is rotatably arranged in the fixing seat 3, and one end of the sound receiving tube 401 is fixedly connected to the end of the rotating shaft 4 extending out of the fixing seat 3, and a connecting tube 402 is provided in the rotating shaft 4, and the two ends of the connecting tube 402 are respectively connected to the sound outlet 306 and the sound receiving tube 401, and a pressing plate 601 for pressing the talk button of the intercom 2 is arranged in the fixing seat 3. When in use, the talk button is pressed by the pressing plate 601, and then the user can speak to the sound receiving tube 401, and the sound is transmitted to the sound outlet 306 through the connecting tube 402, and finally transmitted to the receiver part of the intercom 2, so as to achieve a communication effect, simple operation, and convenient use.

[0034] Reference Figure 4 and Figure 5 A key slot 304 is provided on the inner wall of the mounting slot 301, the talk key of the intercom 2 is located in the key slot 304, and an elastic plate 6 is fixedly provided in the key slot 304, one end of the elastic plate 6 is fixedly connected to the pressing plate 601, and an inclined guide block 501 for driving the pressing plate 601 to press is slidably provided in the fixing seat 3. When in use, by driving the inclined guide block 501 to slide, the pressing plate 601 can press the talk key to realize communication.

[0035] Reference Figure 4A slide groove connected to the key groove 304 is provided in the fixed seat 3, and a sliding plate 5 is slidably arranged in the slide groove, and the inclined guide block 501 is fixedly connected to one end of the sliding plate 5, and a driving part for driving the sliding plate 5 to slide is provided in the fixed seat 3. When in use, by driving the sliding plate 5 to slide, the pressing plate 601 can be pressed with the inclined guide block 501, and then the talk button can be pressed. At this time, you can speak to the sound receiving tube 401. When the inclined guide block 501 is released from the pressing of the pressing plate 601, the pressing plate 601 is reset under the elastic force of the elastic plate 6, thereby improving the use effect.

[0036] Reference Figure 4 and Figure 5 The driving part can adopt a cylinder or a hydraulic cylinder or an electric telescopic cylinder or manually drive the sliding plate 5 to slide. Here, we design the driving part to be fixedly provided with a gear 403 on the rotating shaft 4, and a rack 502 meshing with the gear 403 is fixedly provided on the sliding plate 5, and a ball is elastically provided on the sliding plate 5, and arc grooves are equidistantly provided on the inner wall of the slide groove, and the ball is engaged with the arc groove. When in use, the sound receiving tube 401 is put down to speak or lifted up after speaking. In this process, when the sound receiving tube 401 is put down, the rotating shaft 4 and the gear 403 can be rotated, and the gear 403 is meshed with the rack 502, The sliding plate 5 and the inclined guide block 501 can be driven to rise downward, driving The movable pressing plate 601 presses the talk button. After finishing speaking, the sound receiving tube 401 is lifted. The gear 403 and the rack 502 are meshed to drive the inclined guide block 501 and the sliding plate 5 to slide downward. At this time, the pressing plate 601 is reset under the elastic force of the elastic plate 6, and is released from pressing the talk button. The operation is simple and the use is reliable. A sphere is elastically arranged on the sliding plate 5, and an arc groove is opened in the sliding groove, which has a certain limiting effect on the sliding plate 5 to prevent the sound receiving tube 401 from sliding downward during work and affecting normal use. In addition, under the gravity of the sliding plate 5, the sound receiving tube 401 can also be placed on the top of the head of the safety helmet 1 to reduce interference with work and improve the use effect.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A communication device for coal mine safety management, comprising a safety helmet (1) and a walkie-talkie (2) arranged on the safety helmet (1), characterized in that: It also includes a fixing seat (3) fixedly arranged on the outer wall of the safety helmet (1), the intercom (2) is detachably arranged in the fixing seat (3), and a communication unit connected to the intercom (2) is arranged in the safety helmet (1); The fixing seat (3) is provided with a mounting groove (301), the intercom (2) is slidably arranged in the mounting groove (301), the outer wall of the fixing seat (3) is provided with a groove (302), a back clip (201) is fixedly arranged on the intercom (2), the back clip (201) is snap-fitted and connected to the groove (302), and a limit assembly for limiting the sliding of the intercom (2) is provided in the fixing seat (3); Ear protectors (101) are fixedly arranged on both sides of the safety helmet (1), and two sets of ear protectors (101) are connected via an adjustment belt; The communication unit comprises a first sound transmission hole (305) formed on the inner wall of the mounting groove (301); a second sound transmission hole (102) connected to the first sound transmission hole (305) is formed on the inner wall of the ear protector (101) on one side; a speaker of the intercom (2) is connected to the first sound transmission hole (305); a sound outlet hole (306) is formed on the inner wall of the fixing base (3); the sound outlet hole (306) is connected to a receiver of the intercom (2); and a sound receiving tube (401) connected to the sound outlet hole (306) is provided on the fixing base (3).

2. A communication device for coal mine safety management according to claim 1, characterized in that: The limiting assembly comprises a pull rod (7), a limiting groove (303) is provided in the fixing seat (3), a limiting plate (701) is slidably arranged in the limiting groove (303), the pull rod (7) extends into the limiting groove (303) and is fixedly connected to the limiting plate (701), and a clamping plate (702) is fixedly arranged on the limiting plate (701), and the clamping plate (702) is clamped and connected to the outer wall of the intercom (2).

3. A communication device for coal mine safety management according to claim 2, characterized in that: The pull rod (7) is sleeved with a spring (703), and two ends of the spring (703) are respectively against the limiting groove (303) and the limiting plate (701).

4. A communication device for coal mine safety management according to claim 1, characterized in that: A rotating shaft (4) is rotatably arranged in the fixing seat (3), one end of the sound receiving tube (401) is fixedly connected to one end of the rotating shaft (4) extending out of the fixing seat (3), and a connecting tube (402) is provided in the rotating shaft (4), two ends of the connecting tube (402) are respectively connected to the sound outlet hole (306) and the sound receiving tube (401), and a pressing plate (601) for pressing a talk button of the intercom (2) is provided in the fixing seat (3).

5. A communication device for coal mine safety management according to claim 4, characterized in that: A key slot (304) is provided on the inner wall of the installation slot (301), a talk key of the intercom (2) is located in the key slot (304), an elastic plate (6) is fixedly arranged in the key slot (304), one end of the elastic plate (6) is fixedly connected to the pressing plate (601), and an inclined guide block (501) for driving the pressing plate (601) to press is slidably arranged in the fixing seat (3).

6. A communication device for coal mine safety management according to claim 5, characterized in that: A sliding groove connected to the key groove (304) is provided in the fixed seat (3), a sliding plate (5) is slidably arranged in the sliding groove, the inclined guide block (501) is fixedly connected to one end of the sliding plate (5), and a driving part for driving the sliding plate (5) to slide is provided in the fixed seat (3).

7. A communication device for coal mine safety management according to claim 6, characterized in that: The driving part comprises a gear (403) fixedly arranged on the rotating shaft (4), a rack (502) meshing with the gear (403) fixedly arranged on the sliding plate (5), and a ball elastically arranged on the sliding plate (5), arc grooves equidistantly formed on the inner wall of the sliding groove, and the ball is engaged and connected with the arc groove.

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