CN116800299A - Wired communication equipment for tunnel - Google Patents

Wired communication equipment for tunnel Download PDF

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Publication number
CN116800299A
CN116800299A CN202211266260.4A CN202211266260A CN116800299A CN 116800299 A CN116800299 A CN 116800299A CN 202211266260 A CN202211266260 A CN 202211266260A CN 116800299 A CN116800299 A CN 116800299A
Authority
CN
China
Prior art keywords
cavity
fixedly connected
mounting
wall
earphone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211266260.4A
Other languages
Chinese (zh)
Inventor
付云刚
刘国锋
郭亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Telecom Construction 2nd Engineering Co ltd
Original Assignee
China Telecom Construction 2nd Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Telecom Construction 2nd Engineering Co ltd filed Critical China Telecom Construction 2nd Engineering Co ltd
Priority to CN202211266260.4A priority Critical patent/CN116800299A/en
Publication of CN116800299A publication Critical patent/CN116800299A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008Earpieces of the supra-aural or circum-aural type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a wired communication device for a tunnel, which structurally comprises two fixing pieces fixed on a wall, wherein the fixing pieces are fixedly connected with a fixing plate, the rear side surface of the fixing plate is fixedly connected with four support columns, and a shell is carried on the support columns; according to the invention, the silica gel drying agent absorbs moisture in the installation cavity, so that electronic components in the communication equipment are prevented from being affected with damp, when the silica gel drying agent absorbs moisture to be saturated, the silica gel drying agent is dried by transporting hot air through the heating resistance wire and the fan blades, so that the silica gel drying agent can be repeatedly utilized, the vibration of the shell can be slowed down through the second spring, the connection part of the equipment is prevented from loosening due to the vibration, a closed space is formed by the annular rubber ring tightly attached to the cheek, and the influence of noise in the communication process is reduced.

Description

Wired communication equipment for tunnel
Technical Field
The invention relates to the technical field of wired communication, in particular to wired communication equipment for a tunnel.
Background
Because tunnel space is less, when the high-speed railway passes by, the air current flows to accelerate, can make the communications facilities of installing at tunnel inner wall take place the vibration, and junction in the long equipment of time can take place not hard up, and the noise is great when the high-speed railway passes by, influences the communication effect, and humidity in the tunnel is great moreover, can make the electronic component in the communications facilities wet and is destroyed, is used for communications facilities's in the tunnel drying equipment, generally adopts the drier to dehumidify, but the drier can be inefficacy along with absorbing moisture, needs often to change the drier.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a wired communication equipment for tunnel, its structure includes two mounting on the wall of fixing, mounting fixedly connected with fixed plate, four support columns of fixed plate trailing flank fixedly connected with, carry on the casing on the support column, the cover has the second spring on the support column, the casing pass through the nut with the butt of second spring, be equipped with the installation cavity in the casing, install communication panel in the installation cavity, communication panel front side is equipped with the standing groove forward of opening, two standing posts of fixedly connected with in the standing groove, hang on the standing post earphone, be equipped with noise reduction mechanism of noise control in the earphone;
two first cavities distributed left and right are arranged below the mounting cavity, the first cavities are communicated with the mounting cavity through a first channel, and a drying mechanism capable of repeatedly dehumidifying is arranged in the first cavities;
the side rotates about the fixed plate and is connected with two first induced-draft boards, be equipped with the second spout in the first induced-draft board, sliding connection has in the second spout runs through the second induced-draft board of first induced-draft board, the second induced-draft board is close to the side of casing rotate be connected with two electric telescopic handle that the mounting lateral surface rotates to be connected, like this when there is the high-speed railway to pass through in the tunnel, electric telescopic handle promotes the second induced-draft board for the second induced-draft board presents certain angle with first induced-draft board, makes the air current that flows can be more steady flow through equipment, thereby reduces the vibration that the air current causes.
As a further optimization of the technical scheme, the drying mechanism comprises a second cavity arranged between the two first cavities, a first sliding groove is formed in the inner wall of the first cavity, which is close to the second cavity, a first rotating shaft extending into the first sliding groove is connected in the second cavity in a rotating mode, a first sliding block which is connected with the first sliding groove in a sliding mode is connected to the first rotating shaft in a threaded mode, a drying box is connected to the first cavity in a sliding mode, a drying agent storage cavity is formed in the drying box in the sliding mode, a second channel penetrating through the outer side face of the drying box is formed in the inner wall of the drying agent storage cavity, silica gel drying agents are arranged in the drying agent storage cavity, the first sliding block is fixedly connected with the drying box, and therefore the first rotating shaft is driven to rotate through a motor.
As the further optimization of this technical scheme, keep away from in the first cavity the inner wall of second cavity is equipped with and runs through the third passageway of casing lateral surface, install two filtration covers in the third passageway, two fixed mounting has the mounting bracket between the filtration cover, mounting bracket fixedly connected with second motor, second motor fixedly connected with flabellum, install the heating resistor wire in the third passageway, first cavity is close to the inner wall of second cavity is equipped with and runs through the fourth passageway of casing downside, first cavity roof is installed can control the passageway switch that opens and shuts of first passageway, like this works as when the drier is deposited the intracavity the silica gel absorbs sufficient moisture, drying box downward movement, through the heating resistor wire with the flabellum makes the pair the drier silica gel dries, makes the silica gel drier can reuse.
As a further optimization of the technical scheme, the noise reduction mechanism comprises a fifth cavity which is arranged in the earphone and is symmetrical in two positions, sound producing equipment is arranged in the fifth cavity, a sixth cavity which is communicated with the fifth cavity and penetrates through the outer side face of the earphone is arranged in the earphone, a third cavity is arranged on one side, far away from the sixth cavity, of the fifth cavity, a third motor is arranged on the inner wall, far away from the sixth cavity, of the third cavity, a third gear is fixedly connected to the side, close to the sixth cavity, of the third motor, four fourth cavities which are communicated with the third cavity are arranged in the earphone, a seventh cavity is arranged on one side, close to the fifth cavity, of the fourth cavity, and a first fixing shaft is fixedly connected in the fourth cavity.
As a further optimization of the technical scheme, a fifth gear meshed with the third gear is connected to the sliding key on the first fixed shaft, a first tray which is in sliding connection with the first fixed shaft is arranged on one side, close to the fifth cavity, of the fifth gear, the first tray is communicated with the inner wall of the fourth cavity through a first spring, a first electromagnet is installed on the inner wall, close to the fifth cavity, of the fourth cavity, a second rotating shaft which extends to the inside of the seventh cavity is rotatably connected to one side, far away from the third cavity, of the first fixed shaft, a fourth gear meshed with the fifth gear is fixedly connected to the second rotating shaft in the fourth cavity, a second fixed shaft is fixedly connected to one side, far away from the fifth cavity, of the seventh gear, and a thread block which is in sliding connection with the second cavity is connected with the seventh gear through threads.
As a further optimization of this technical scheme, the seventh cavity is kept away from one side of third cavity is equipped with annular spout, sliding connection has the annular rubber circle that runs through the earphone lateral surface in the annular spout, install four pressure detector in the annular rubber circle, the screw thread piece with annular rubber circle passes through the push rod and connects, through the push rod promotes annular rubber circle makes its and cheek both sides hug closely, annular rubber circle and cheek form a confined space, effectively isolated noise like this reduces the influence of noise to the communication, pressure detector detects the dynamics of hugging closely the cheek, thereby control first electro-magnet makes the annular rubber circle is better hugs closely the cheek.
Based on the prior art, the invention provides the wired communication equipment for the tunnel, which has the following beneficial effects:
through the moisture of silica gel drier absorption installation intracavity, prevent that the electronic components in the communication panel from receiving moisture, when the silica gel drier absorbed moisture reaches saturation, transport hot air through heating resistor silk and flabellum and dry the silica gel drier, can make the silica gel drier can repeatedly obtain utilizing like this, can slow down the vibration of casing through the second spring, when high-speed railway passes by, make first induced air plate and second induced air plate present certain angle through electric telescopic handle, the air current can be more steady flow through equipment, reduce the vibration that the air current causes, prevent that the junction of equipment from becoming flexible because of the vibration, hug closely the cheek through annular rubber circle and form airtight space, reduce the influence at the in-process noise of communication.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the appearance of the present invention;
fig. 2 is a schematic diagram of the overall structure of a wired communication device for tunnel according to the present invention;
FIG. 3 is an enlarged partial schematic view of the drying mechanism of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the first deflector of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the exterior of the headset of FIG. 2 in accordance with the present invention;
FIG. 6 is a schematic view of the noise reduction mechanism of FIG. 5 according to the present invention;
fig. 7 is a schematic view showing the internal structure of the first wind deflector of fig. 4 according to the present invention.
Detailed Description
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the one shown in fig. 2, are merely for convenience in describing the simplified description of the present invention, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. The invention is further illustrated by the following examples:
referring to fig. 1-7, the invention provides a wired communication device for a tunnel, the structure of the wired communication device comprises two fixing pieces 11 fixed on a wall, the fixing pieces 11 are fixedly connected with a fixing plate 12, the rear side surface of the fixing plate 12 is fixedly connected with four support columns 13, a shell 15 is carried on the support columns 13, a second spring 14 is sleeved on the support columns 13, the shell 15 is abutted to the second spring 14 through nuts, a mounting cavity 16 is arranged in the shell 15, a communication panel 17 is arranged in the mounting cavity 16, a mounting groove 18 with a forward opening is arranged at the front side of the communication panel 17, two mounting columns 59 are fixedly connected in the mounting groove 18, an earphone 19 is hung on the mounting columns 59, and a noise reduction mechanism 55 for preventing noise is arranged in the earphone 19;
a first cavity 20 is arranged below the mounting cavity 16 and distributed left and right, the first cavity 20 is communicated with the mounting cavity 16 through a first channel 22, and a drying mechanism 21 capable of repeatedly dehumidifying is arranged in the first cavity 20;
the fixed plate 12 is connected with two first induced-draft plates 64 in a left-right side rotation way, a second chute 67 is arranged in the first induced-draft plate 68, a second induced-draft plate 63 penetrating through the first induced-draft plate 68 is connected in a sliding way in the second chute 67, the second induced-draft plate 63 is close to the side face of the shell 15 and is connected with two electric telescopic rods 66 rotationally connected with the outer side face of the fixed piece 11 in a rotating way, when high-speed rails pass, the electric telescopic rods 66 push the second induced-draft plate 63, so that the second induced-draft plate 63 and the first induced-draft plate 68 are at a certain angle, airflow can flow through equipment more stably, and vibration caused by the airflow is reduced.
The drying mechanism 21 comprises a second cavity 26 arranged between the two first cavities 20, a first sliding groove 60 is formed in the inner wall of the first cavity 20, which is close to the second cavity 26, a first rotating shaft 28 extending into the first sliding groove 60 is rotatably connected in the second cavity 26, a first sliding block 29 slidably connected with the first sliding groove 60 is connected on the first rotating shaft 28 in a threaded manner, a drying box 23 is slidably connected in the first cavity 20, a drying agent storage cavity 61 is formed in the drying box 23, a second channel 24 penetrating through the outer side surface of the drying box 23 is formed in the inner wall of the drying agent storage cavity 61, a silica gel drying agent 25 is mounted in the drying agent storage cavity 61, the first sliding block 29 is fixedly connected with the drying box 23, when moisture absorbed by the silica gel drying agent 25 is saturated, the first motor 27 is started to drive the first gear 30 to rotate, the first gear 30 is meshed with the second gear 31, and the first rotating shaft 28 rotates, and the first sliding block 29 is connected with the first rotating shaft 29 in a threaded manner, so that the first rotating shaft 29 can move downwards.
The inner wall of the first cavity 20 far away from the second cavity 26 is provided with a third channel 32 penetrating through the outer side surface of the shell 15, two filter covers 33 are installed in the third channel 32, a mounting frame 34 is fixedly installed between the two filter covers 33, the mounting frame 34 is fixedly connected with a second motor 35, the second motor 35 is fixedly connected with fan blades 36, a heating resistance wire 37 is installed in the third channel 32, the inner wall of the first cavity 20 close to the second cavity 26 is provided with a fourth channel 38 penetrating through the lower side surface of the shell 15, the top wall of the first cavity 20 is provided with a channel opening and closing switch 62 capable of controlling the opening and closing of the first channel 22, when the drying box 23 moves to the bottom end of the first cavity 20, the channel opening and closing switch 62 closes the first channel 22 to prevent evaporated moisture from entering the mounting cavity 16, the second motor 35 is started to drive the fan blades 36 to rotate, so that air enters the third channel 32, and the heating resistance wire 37 can heat the air channel 25 repeatedly by using the heating resistance wire 37, so that the air 25 can be dried by the air channel 25.
Wherein the noise reduction mechanism 55 comprises a fifth cavity 56 which is arranged in the earphone 19 and is symmetrical in two positions, a sound producing device 57 is arranged in the fifth cavity 56, a sixth cavity 58 which is communicated with the fifth cavity 56 and penetrates through the outer side surface of the earphone 19 is arranged in the earphone 19, a third cavity 39 is arranged at one side of the fifth cavity 56 far away from the sixth cavity 58, a third motor 40 is arranged at the inner wall of the third cavity 39 far away from the sixth cavity 58, a third gear 41 is fixedly connected with the side surface of the third motor 40 near the sixth cavity 58, four fourth cavities 42 which are communicated with the third cavity 39 are arranged in the earphone 19, a seventh cavity 64 is arranged at one side of the fourth cavity 42 near the fifth cavity 56, a first fixed shaft 44 is fixedly connected in the fourth cavity 42, the sliding key on the first fixed shaft 44 is connected with a fifth gear 45 meshed with the third gear 41, one side of the fifth gear 45, which is close to the fifth cavity 56, is provided with a first tray 46 which is in sliding connection with the first fixed shaft 44, the first tray 46 is communicated with the inner wall of the fourth cavity 42 through a first spring 47, a first electromagnet 48 is arranged on the inner wall of the fourth cavity 42, which is close to the fifth cavity 56, one side of the first fixed shaft 44, which is far away from the third cavity 39, is rotationally connected with a second rotating shaft 49 which extends into the seventh cavity 64, a fourth gear 43 meshed with the fifth gear 45 is fixedly connected on the second rotating shaft 49 in the fourth cavity 42, one side of the seventh cavity 64, which is far away from the fifth cavity 56, is fixedly connected with a second fixed shaft 51, the seventh cavity 64 is internally and in threaded connection with the threaded block 50 which is in sliding connection with the second fixing shaft 51, one side of the seventh cavity 64, far away from the third cavity 39, is provided with the annular chute 52, the annular chute 52 is in sliding connection with the annular rubber ring 53 penetrating through the outer side face of the earphone 19, four pressure detectors 65 are installed in the annular rubber ring 53, the threaded block 50 is connected with the annular rubber ring 53 through the push rod 54, when noise in a tunnel is large and communication is needed, a user wears the earphone 19, the earphone 19 plays a certain noise reduction effect, the third motor 40 starts to drive the third gear 41 to rotate, the first electromagnet 48 is electrified to generate suction force, so that the fifth gear 45 is meshed with the fourth gear 43, power generated by the third motor 40 is transmitted to the second rotary shaft 49 through gear meshing, the second rotary shaft 49 rotates, the second rotary shaft 49 is in threaded connection with the threaded block 50, the seventh motor 50 plays a certain noise reduction effect, the third motor 40 starts to drive the third gear 41 to rotate, and the annular rubber ring 53 is tightly attached to the annular rubber ring 53, the pressure detectors 53 can be tightly detected, and the annular rubber ring 53 can be tightly attached to the annular rubber ring 53.
The working principle of the invention is as follows:
when high-speed rail passes, the electric telescopic rod 66 pushes the second air guiding plate 63, so that the second air guiding plate 63 and the first air guiding plate 68 form a certain angle, the air flow can flow through the equipment more stably, and vibration caused by the air flow is reduced
When the silica gel drying agent 25 absorbs moisture to reach saturation, the first motor 27 is started to drive the first gear 30 to rotate, the first gear 30 is meshed with the second gear 31, so that the first rotating shaft 28 rotates, as the first sliding block 29 is in threaded connection with the first rotating shaft 28, the first sliding block 29 can drive the drying box 23 to move downwards, when the drying box 23 moves to the bottom end of the first cavity 20, the channel opening and closing switch 62 closes the first channel 22, evaporated moisture is prevented from entering the mounting cavity 16, the second motor 35 is started to drive the fan blade 36 to rotate, so that air enters the third channel 32, the heating resistor wire 37 is electrified to heat the air in the third channel 32, so that the hot air can dry the silica gel drying agent 25, and the silica gel drying agent 25 can be repeatedly utilized.
When noise in the tunnel is loud and communication is needed, a user wears the earphone 19, the earphone 19 has a certain noise reduction effect, the third motor 40 is started to drive the third gear 41 to rotate, the first electromagnet 48 is electrified to generate suction force, the fifth gear 45 is meshed with the fourth gear 43, power generated by the third motor 40 is transmitted to the second rotating shaft 49 through gear meshing, the second rotating shaft 49 rotates, the threaded block 50 is in threaded connection with the threaded block 50, the threaded block 50 can move left and right in the seventh cavity 64, the annular rubber ring 53 is pushed by the push rod 54, so that the annular rubber ring 53 is tightly attached to the cheek, a closed space is formed, noise can be better isolated, the requirement on communication is reduced, and the pressure detector 65 detects the force of tightly attaching the cheek, so that the first electromagnet 48 is controlled, and the annular rubber ring 53 is better tightly attached to the cheek.
While there has been shown and described what are at present considered to be fundamental principles of the invention, the main features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but is merely illustrative of the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit or essential features of the invention, without departing from the scope thereof. The protection scheme of the invention is subject to the appended claims.

Claims (7)

1. A wired communication device for tunnels, comprising two fixing elements (11) fixed on a wall, characterized in that: the fixed part (11) is fixedly connected with a fixed plate (12), four support columns (13) are fixedly connected to the rear side surface of the fixed plate (12), a shell (15) is mounted on each support column (13), a second spring (14) is sleeved on each support column (13), the shell (15) is in butt joint with the second spring (14) through a nut, a mounting cavity (16) is formed in the shell (15), a communication panel (17) is mounted in the mounting cavity (16), a mounting groove (18) with a forward opening is formed in the front side of the communication panel (17), two mounting columns (59) are fixedly connected in the mounting groove (18), an earphone (19) is hung on each mounting column (59), and a noise reduction mechanism (55) for preventing noise is arranged in the earphone (19);
two first cavities (20) distributed left and right are arranged below the mounting cavity (16), the first cavities (20) are communicated with the mounting cavity (16) through a first channel (22), and a drying mechanism (21) for dehumidifying the mounting cavity (16) is arranged in the first cavities (20);
the side rotation is connected with two first aviation baffle (64) about fixed plate (12), be equipped with second spout (67) in first aviation baffle (68), sliding connection has in second spout (67) runs through second aviation baffle (63) of first aviation baffle (68), second aviation baffle (63) are close to the side rotation of casing (15) be connected with two electric telescopic handle (66) that mounting (11) lateral surface rotated and are connected.
2. The wire communication apparatus for tunnel according to claim 1, wherein: the drying mechanism (21) comprises a second cavity (26) arranged between the two first cavities (20), the first cavities (20) are close to a first chute (60) formed in the inner wall of the second cavity (26), a first rotating shaft (28) extending into the first chute (60) is connected in the second cavity (26) in a rotating mode, a first sliding block (29) connected with the first chute (60) in a sliding mode is connected to the first rotating shaft (28) in a threaded mode, a drying box (23) is connected to the first cavity (20) in a sliding mode, a drying agent storage cavity (61) is formed in the drying box (23), a second channel (24) penetrating through the outer side face of the drying box (23) is formed in the inner wall of the drying agent storage cavity (61), and a drying agent (25) is installed in the drying agent storage cavity (61) and fixedly connected with the drying box (23).
3. The wire communication apparatus for tunnel according to claim 2, wherein: the inner wall that keeps away from in first cavity (20) second cavity (26) is equipped with runs through third passageway (32) of casing (15) lateral surface, install two filter hoods (33) in third passageway (32), two fixed mounting has mounting bracket (34) between filter hoods (33), mounting bracket (34) fixedly connected with second motor (35), second motor (35) fixedly connected with flabellum (36), install heating resistor wire (37) in third passageway (32), first cavity (20) are close to the inner wall of second cavity (26) is equipped with and runs through fourth passageway (38) of casing (15) downside, first cavity (20) roof is installed can control passageway switch (62) that first passageway (22) opened and shut.
4. The wire communication apparatus for tunnel according to claim 1, wherein: the noise reduction mechanism (55) comprises a fifth cavity (56) which is arranged in the earphone (19) and is symmetrical in two positions, sound producing equipment (57) is arranged in the fifth cavity (56), a sixth cavity (58) which is communicated with the fifth cavity (56) and penetrates through the outer side face of the earphone (19) is arranged in the earphone (19), a third cavity (39) is arranged on one side, away from the sixth cavity (58), of the fifth cavity (56), a third motor (40) is arranged on the inner wall, away from the sixth cavity (58), of the third cavity (39), a third gear (41) is fixedly connected to the side, close to the sixth cavity (58), of the third motor (40), four fourth cavities (42) which are communicated with the third cavity (39) are arranged in the earphone (19), a seventh cavity (64) is arranged on one side, close to the fifth cavity (56), of the fourth cavity (42), and a first fixing shaft (44) is fixedly connected to the fourth cavity (42).
5. The wire communication device for tunnel according to claim 4, wherein: the sliding key on the first fixed shaft (44) is connected with a fifth gear (45) meshed with the third gear (41), one side, close to the fifth cavity (56), of the fifth gear (45) is provided with a first tray (46) which is in sliding connection with the first fixed shaft (44), the first tray (46) is communicated with the inner wall of the fourth cavity (42) through a first spring (47), and a first electromagnet (48) is installed on the inner wall, close to the fifth cavity (56), of the fourth cavity (42).
6. The wire communication device for tunnel according to claim 5, wherein: one side of the first fixed shaft (44) far away from the third cavity (39) is rotationally connected with a second rotating shaft (49) extending into the seventh cavity (64), a fourth gear (43) meshed with the fifth gear (45) is fixedly connected to the second rotating shaft (49) in the fourth cavity (42), a second fixed shaft (51) is fixedly connected to one side of the seventh cavity (64) far away from the fifth cavity (56), and a threaded block (50) in sliding connection with the second fixed shaft (51) is connected to the seventh cavity (64) in a threaded mode.
7. The wire communication apparatus for tunnel according to claim 6, wherein: one side of the seventh cavity (64) far away from the third cavity (39) is provided with an annular chute (52), an annular rubber ring (53) penetrating through the outer side face of the earphone (19) is connected in a sliding mode in the annular chute (52), four pressure detectors (65) are installed in the annular rubber ring (53), and the threaded block (50) is connected with the annular rubber ring (53) through a push rod (54).
CN202211266260.4A 2022-10-15 2022-10-15 Wired communication equipment for tunnel Pending CN116800299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211266260.4A CN116800299A (en) 2022-10-15 2022-10-15 Wired communication equipment for tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211266260.4A CN116800299A (en) 2022-10-15 2022-10-15 Wired communication equipment for tunnel

Publications (1)

Publication Number Publication Date
CN116800299A true CN116800299A (en) 2023-09-22

Family

ID=88036742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211266260.4A Pending CN116800299A (en) 2022-10-15 2022-10-15 Wired communication equipment for tunnel

Country Status (1)

Country Link
CN (1) CN116800299A (en)

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