Passive audio transmission device in oxygen cabin

Abstract

The utility model discloses a passive audio transmission device in an oxygen cabin, and belongs to the technical field of talkback communication systems of manned pressure vessels. Comprising a cabin body, a connected base station is arranged on the outer side of the cabin body, a connected shielding outer cover is arranged on the base station, and an electronic oscillation device is arranged in the shielding outer cover; by arranging the base station on the cabin body of the oxygen cabin or the manned pressure container, the passive audio transmission device can be installed and fixed, the problem that the sealing performance of the oxygen cabin is affected by the fact that a hole is formed in the cabin body to install a cable is solved, practicability is high, and the using effect is good; by arranging the oscillation chassis and matching with the electronic oscillation device and the shielding outer cover, people in the cabin still can clearly hear the sound of the talkback device outside the cabin without arranging a loudspeaker in the oxygen cabin or the manned pressure container cabin, the use effect is good, the potential safety hazard of fire caused by overload and burning of a loudspeaker coil when the loudspeaker is arranged in the cabin is avoided, and the safety of the cabin is improved. And the safety coefficient of the oxygen cabin or the manned pressure container is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oxygen cabin in-cabin passive audio transmission device belongs to the intercom system technical field of manned pressure vessel. BACKGROUND

[0002] The intercom device of the existing manned pressure vessel (except the oxygen cabin of oxygen pressurization) is basically the audio loudspeaker arranged in the cabin, but the coil of this kind of audio loudspeaker is easy to burn out when overloaded, and under the condition that the oxygen concentration in the cabin is high, it is easy to cause the cabin fire, causes certain security risk and threatens the safety of the cabin personnel, and does not comply with the design concept of weak current not into the cabin that is being promoted in the field, therefore, it is very necessary to research and develop an oxygen cabin in-cabin passive audio transmission device. SUMMARY

[0003] The utility model provides an oxygen cabin in-cabin passive audio transmission device in view of the deficiency of the prior art.

[0004] The utility model solves the technical scheme as follows:

[0005] An oxygen cabin in-cabin passive audio transmission device, including the cabin body, the cabin body outside is equipped with the base station of being connected, is equipped with the shielded outer cover of being connected on the base station, is equipped with electronic oscillation device in the shielded outer cover, is equipped with the intercom device on the electronic oscillation device through the cable connection of being set in the cabin body outside.

[0006] Further, the electronic oscillation device is equipped with oscillation chassis between the base station.

[0007] Further, the shielded outer cover is equipped with the cable hole.

[0008] Further, the shape of the shielded outer cover is circular or other adaptive shape.

[0009] Further, the height range between the shielded outer cover and the base station is 50MM~100MM.

[0010] Further, the shielded outer cover and the base station can be detachably connected or fixedly connected.

[0011] Further, the shielded outer cover and the base station are connected through the buckle.

[0012] Further, the base station and the cabin body are fixedly connected.

[0013] Further, the upper and lower ends of the shielded outer cover and the base station are flush.

[0014] Further, the intercom device is the intercom.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] By setting a base on the cabin body of the oxygen cabin or manned pressure vessel, the passive audio transmission device can be installed and fixed, avoiding the problem of drilling holes in the cabin body to install cables to affect the sealing of the oxygen cabin, and the practicality is high and the use effect is good; by setting an oscillation chassis, and cooperating with an electronic oscillation device and a shielding cover, it is achieved that there is no speaker in the oxygen cabin or manned pressure vessel cabin while the people in the cabin can still clearly hear the sound of the intercom device outside the cabin, the use effect is good, and the safety hazard of fire caused by overload and burning of the speaker coil when a speaker is installed in the cabin is avoided, the safety factor of the oxygen cabin or manned pressure vessel is improved, and the practicality and adaptability are high; it avoids the need to drill holes in the cabin body of the oxygen cabin or manned pressure vessel in the traditional mode to install cables The installation method of corresponding speakers and other devices is carried out to ensure the overall sealing of the cabin, while promoting the design concept of weak electricity not entering the cabin, and solving the technical problem that the speakers of the pure oxygen cabin pressurized with oxygen cannot enter the cabin; by setting a shielding cover, other irrelevant signals can be blocked from interfering with the electronic oscillation device, and by setting a cable hole on the shielding cover, the audio cable connected to the electronic oscillation device can be passed through and then connected to the intercom device, thereby restricting the position of the audio cable, improving the aesthetics of the exterior of the cabin, and having high practicality and good use effect; multiple sets of passive audio transmission devices can be set on the cabin of the oxygen cabin or manned pressure vessel to meet different usage requirements, which are simple to install, easy to operate, highly practical and have good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] In the figure, 1. Cabin; 2. Base; 3. Oscillation chassis; 4. Electronic oscillation device; 5. Shielding cover; 6. Cable hole. DETAILED DESCRIPTION

[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0020] like Figure 1 As shown, the passive audio transmission device in the oxygen cabin of this embodiment includes a cabin body 1, a base 2 is provided on the outside of the cabin body 1, a shielding cover 5 is provided on the base 2, an electronic oscillation device 4 is provided in the shielding cover 5, and the electronic oscillation device 4 is provided with an intercom device provided on the outside of the cabin body 1 and connected via a cable.

[0021] An oscillation chassis 3 is provided between the electronic oscillation device 4 and the base 2 .

[0022] The shielding cover 5 is provided with a cable hole 6 .

[0023] The shielding cover 5 is in a circular shape or other suitable shapes.

[0024] The height between the shielding cover 5 and the base 2 is 50-100mm.

[0025] The shielding cover 5 and the base 2 are detachably connected or fixedly connected.

[0026] The shielding cover 5 and the base 2 are connected through buckling.

[0027] The base 2 and the cabin body 1 are fixedly connected.

[0028] The upper and lower ends of the shielding cover 5 and the base 2 are flush.

[0029] The intercom device is a walkie-talkie.

[0030] In use, the base 2 is welded to the cabin body 1 of the oxygen cabin or the manned pressure container, the electronic oscillation device 4 is installed on the oscillation chassis 3, the oscillation chassis 3 is tightly attached to the cabin body 1, the audio output cable of the intercom device is connected to the electronic oscillation device 4 through the cable hole 6 on the shielding cover 5, and the staff directly talks to the personnel in the cabin body 1 of the oxygen cabin or the manned pressure container through the intercom device (specifically, a walkie-talkie or other audio output device). The sound is transmitted to the inside of the cabin body 1 of the oxygen cabin or the manned pressure container through the electronic element in the electronic oscillation device 4 for processing and conversion of the audio signal, so that the personnel in the cabin clearly hear the spatial sound output by the intercom device. Multiple sets of passive audio transmission devices can be arranged on the cabin body 1 of the oxygen cabin or the manned pressure container to meet different use requirements.

[0031] The base 2 is arranged on the cabin body 1 of the oxygen cabin or the manned pressure container, so that the passive audio transmission device can be fixed and installed, the problems of affecting the sealing of the oxygen cabin caused by the installation of the cable on the cabin body 1 are avoided, the practicability is high, and the use effect is good; the oscillation chassis 3 is arranged, and the electronic oscillation device 4 and the shielding cover 5 are matched, so that the oxygen cabin or the manned pressure container is not provided with a loudspeaker, and the voice of the intercom device outside the cabin can still be clearly heard by the person in the cabin, the use effect is good, the safety hidden danger of fire caused by the overloading and burning of the loudspeaker coil when the loudspeaker is arranged in the cabin is avoided, the safety factor of the oxygen cabin or the manned pressure container is improved, the practicability and adaptability are high; the installation mode of the traditional mode needs to punch a hole in the cabin body 1 of the oxygen cabin or the manned pressure container to install the corresponding loudspeaker and the like, the overall sealing performance of the cabin body 1 is ensured, the design concept of the weak current not entering the cabin is promoted, and the technical problem that the loudspeaker of the pure oxygen cabin under oxygen pressure cannot enter the cabin is solved; the shielding cover 5 is arranged, so that the interference of other irrelevant signals on the electronic oscillation device 4 is blocked, the cable hole 6 is arranged on the shielding cover 5, the audio cable connected with the electronic oscillation device 4 can be connected with the intercom device by penetrating out, so that the position of the audio cable is restricted, the appearance of the outside of the cabin body 1 is improved, the practicability is high, and the use effect is good; a plurality of passive audio transmission devices can be arranged on the cabin body 1 of the oxygen cabin or the manned pressure container to meet different use requirements, the installation is simple, the operation is convenient, the practicability is high, and the use effect is good.

[0032] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A passive audio transmission device in an oxygen cabin, comprising a cabin body (1), characterized in that: A base (2) is connected to the outside of the cabin (1), a shielding cover (5) is connected to the base (2), an electronic oscillation device (4) is provided inside the shielding cover (5), and an intercom device connected to the outside of the cabin (1) via a cable is provided on the electronic oscillation device (4).

2. The passive audio transmission device in an oxygen chamber according to claim 1, characterized in that: An oscillation chassis (3) is provided between the electronic oscillation device (4) and the base platform (2).

3. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The shielding outer cover (5) is provided with a cable hole (6).

4. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The shape of the shielding outer cover (5) is circular or other suitable shapes.

5. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The height range between the shielding outer cover (5) and the base (2) is 50MM to 100MM.

6. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The shielding outer cover (5) is detachably connected or fixedly connected to the base platform (2).

7. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The shielding outer cover (5) and the base (2) are connected via a snap connection.

8. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The base (2) is fixedly connected to the cabin (1).

9. The passive audio transmission device in an oxygen cabin according to claim 1 or 2, characterized in that: The shielding outer cover (5) is flush with the upper and lower ends of the base (2).

10. The passive audio transmission device in an oxygen chamber according to claim 1, characterized in that: The intercom device is an intercom.

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