KR200184416Y1 - Speak apparatus of a gas mask - Google Patents

Abstract

The present invention is equipped with a waterproofing function, and the call device for the gas mask to enable the volume control according to the use distance.

The construction includes a case hooked to the protrusion of the gas mask, a microphone installed inside the case to convert the voice signal of the gas mask wearer into an electric signal, and an electric signal of the microphone to receive and amplify the control signal. A circuit board to be output through the circuit board, a speaker unit for outputting the control signal of the circuit board as a voice signal, a power supply unit for supplying power to each speaker unit and the circuit board, and the other side of the case to supply power to the power supply unit. It is made of an operation switch unit for selectively blocking, and a packing material having a sealing function and installed in the communication portion between the inside and the outside of the case.

According to this, the present invention not only improves the usability due to the waterproof function, but also has an advantage of making accurate communication and extending the listening distance.

Description

Gas apparatus for gas masks {speak apparatus of a gas mask}

The present invention relates to a communication device for gas masks, and more particularly, to a communication device for gas masks capable of adjusting a voice transmission distance according to a position of a near / near distance, easily detaching / mounting with a gas mask, and having a waterproof function.

Conventional gas mask is to cover the user's face in order to protect from toxic gas delivered through the respirator, the respirator is indirect contact with the outside air through a separate filtering device.

However, when the user wears a gas mask, the voice of the wearer is partially blocked by the gas mask and thus cannot be properly transmitted to others, so that the actual communication of the wearer is not transmitted.

On the other hand, as a prior art for solving the disadvantages of the prior art 'opening device of the gas mask disclosed in Korean Utility Model Publication No. 90-4493, as shown in Figures 1 and 2, the nose portion of the gas mask (2) In the gas mask consisting of a face plate portion 4 is formed in the lower side of the projection portion 3 is connected to the filter cylinder 6 on one side, the small microphone is installed inside the protrusion portion 3, the side of the plate portion 4 On the other side, the cylindrical connection part 12 is formed to be electrically connected to the small microphone and the wiring 9, and the speaker speaker 21 in which the loudspeaker assembly 21 is detachably coupled.

In the casing 15 having the connecting portion 14 formed with the outer spiral 13, a speaker 16 powered by a battery 18 and a circuit board 17 electrically connected thereto are embedded.

The conductive wire 19 of the circuit board 17 extends inwardly of the connecting portion 14 to connect the connecting portion 14 of the loudspeaker assembly 21 to which the connecting terminal 20 is connected to the cylindrical connecting portion 12, and the plug jack (10) is coupled to the connection terminal (20).

Conventional gas mask communication device made of this configuration has the advantage that the voice of the wearer is transmitted to the speaker 16 through the microphone to communicate to others in a state wearing the gas mask, but has the following problems.

First, since the speaker is exposed to the outside and there is no waterproof function, the weather condition is poor in rainy weather, or during the decontamination work of the gas mask, moisture may penetrate into the inside of the speaker assembly, which may cause parts such as the speaker or the circuit board to corrode. .

Second, since the wearer's voice is always delivered to another person at the same volume, the doctor may not be properly delivered to another person located at a long distance.

Third, since the position of the speaker assembly is fixed, there is a disadvantage in that the acoustic sensitivity is different even for the same voice according to the position of another person, that is, the position of a circle / near distance.

Fourth, since the coupling method with the gas mask is a screw coupling method by a screw, it is inadequate as a CBR military equipment that requires rapid detachment / mounting.

The present invention has been devised to solve the above problems in consideration of the above-mentioned problems, and its purpose is to provide a gas mask for the gas mask that can be clearly communicated to others regardless of the location of the near / near distance. There is.

1 is an exploded perspective view showing a communication device of a conventional gas mask;

2 is a cross-sectional view of the main portion of FIG. 1;

Figure 3 is an exploded perspective view showing an embodiment of the gas mask communication device according to the present invention,

4 is an exploded cross-sectional view showing the main part of FIG. 3;

5 is a cross-sectional view showing another embodiment of the present invention.

6 is a view showing a state of use of FIG.

Explanation of symbols on the main parts of the drawings

110: case 110a: groove

210: microphone 300: circuit board

400: speaker unit 450: speaker moving unit

452: rotating plate 454: rotating shaft

456: movement guide shaft 470: auxiliary speaker

475: external terminal 500: power supply

600: operation switch part 700: waterproof member

800: packing material 900: volume control

910: control panel 920: variable resistor

In the present invention gas mask communication device for achieving the above object is installed to be attached to the gas mask in the gas mask communication device for transmitting the voice of the wearer to the outside through the speaker,

A case in which a fallopian tube-shaped recess is formed on one side, and a hook is formed on the other side, and a case detachable by hook coupling to a protrusion formed on the front surface of the gas mask;

A microphone installed inside the case and converting a wearer's voice signal into an electrical signal;

A circuit board connected to the microphone and outputting a control signal amplifying the electrical signal;

A speaker unit installed inside the recess and converting a control signal output from the circuit board into a voice signal;

A power supply unit for supplying power to the speaker unit and the circuit board;

It is installed on the other side of the case and the operation switch unit for selectively blocking the power supply of the power supply by the on / off operation when the coupling and separation with the gas mask;

A waterproof member installed inside the recessed portion spaced a proper distance in front of the speaker unit;

Each of the inner side of the case is characterized in that it is provided with a plurality of packing material for separating and blocking the inside and the outside of the case.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Gas communication device according to an embodiment of the present invention, with reference to Figures 3 and 4, the case 110 is hooked to the protrusion 12 of the gas mask 10, and the inside of the case 110 A microphone 210 installed to convert the voice signal of the wearer 10 of the gas mask 10 into an electrical signal, a circuit board 300 that receives the electrical signal of the microphone 210 and outputs it as an amplified control signal; A speaker unit 400 for outputting a control signal of the circuit board 300 as a voice signal, a power supply unit 500 for supplying power to each speaker unit 400, the circuit board 300, and the like, and a case 110. It is installed on the other side of the operation switch unit 600 to selectively cut off the power supply of the power supply unit 500, the packing material 800 is installed in the communication portion of the inside and the outside of the case 110 has a sealing function (800) And the like.

In addition, one side of the case 110 is formed with a fallopian tube-shaped groove portion 110a so that the speaker portion 400 is accommodated, and the speaker portion 400 is formed inside the groove portion 110a of the case 110. A speaker moving unit 450 for moving back and forth from one side is installed.

In addition, the case 110 is composed of a front plate 112 coupled with the protrusion 12 of the gas mask 10, and a cylinder 14 coupled to the front plate 112 and a fastening member such as a screw.

The front plate 112 of the case 110 has a hook portion 115 having one end portion having a slight elastic force in the inward direction on the outside thereof, and the hook portion is formed at the protrusion 12 of the gas mask 10 corresponding thereto. The fitting groove 12a is formed to be coupled to one end of the 115 so that the case 110 is hooked with the protrusion 12 of the gas mask 10.

The power supply unit 500 is installed on the other side of the front plate 112 and is preferably used as a primary battery or a secondary battery.

In addition, a waterproof member 700 for external waterproofing is installed inside the recess 110a spaced apart from the speaker 400 by an appropriate distance, and the waterproof member 700 is a microfiber yarn or a deformed cross-section yarn having waterproof moisture permeability. It is preferable to employ.

The speaker moving part 450 has a gear tooth formed on an outer circumferential surface thereof, and a rotating plate 452 having a central portion axially coupled to an inner side of the case 110 so that a portion thereof protrudes outside the case 110 and is rotatable. And, coupled to the gear teeth of the rotary plate 452 is interlockable and coupled to the rotary shaft 454 integrally coupled to the upper end of one side of the speaker unit 400, the shaft coupling to be slidable to the lower side of one side of the speaker 400 It is provided with a movement guide shaft 456.

The operation switch unit 600 is a contact hole 610 which is a conductor slidable back and forth by the elastic support force of the spring member 620 when coupled with the protrusion 12 of the gas mask 10, the contact hole 610 It consists of two connection terminals 632 and 634 which are in contact with each other in the reverse direction and form an electrical circuit.

Referring to the operation of the present invention configured as described above are as follows.

First, in the process of coupling the other side surface of the case 110 to the protruding portion 12 of the gas mask 10, the operation switch unit 600 is turned on and operated from the power supply unit 500 to the circuit board 300 and the microphone ( 210) is supplied with power.

The process of coupling the gas mask surface 10 and the case 110 is to move the front plate 112 of the case 110 toward the protrusion part 12, the fitting groove 12a formed on the outer surface of the protrusion part 12 One end of the hook portion 115 is hooked to.

At this time, the operation switch unit 600 while pressing the elastic force of the spring member 620 while the contact hole 610 is in contact with one side surface of the protrusion 12 in the process of being coupled with the protrusion 12 of the gas mask 10. It slides and contacts the connection terminals 632 and 634.

Accordingly, since the contact hole 610 is a conductor, an electrical circuit is formed while contacting the two connection terminals 632 and 634 so that the power of the power supply unit 500 is supplied to each component.

Then, when the wearer speaks to the other person while wearing the gas mask 10, the voice is converted into an electrical signal through the microphone 210, input to the circuit board 300, and amplified by the circuit board 300. As the control signal is output, the control signal is input to the speaker unit 400 and output as an amplified voice signal, so that the voice signal is transmitted to an external person through the recessed part 110a having a fallopian tube shape.

On the other hand, as the position of the other person is located in a circle / near distance can be communicated more clearly by adjusting the speaker moving unit 450, the adjustment process of the speaker moving unit 450, the wearer of the rotating plate 452 in one direction When moved to, the rotating shaft 454 meshed with the gear teeth of the rotating plate 452 is advanced and thus the speaker unit 400 is moved forward.

At this time, the speaker unit 400 is guided to the lower movement guide shaft 456 as the rotary shaft 454 of the upper end is moved to move forward stably.

In addition, in the reverse movement of the speaker unit 400, as the wearer moves the rotating plate 452 in the reverse direction, the rotating shaft 454 slides backward.

On the other hand, when the case 110 is to be separated from the protrusion 12 of the gas mask 10, the other end of the hook 115 is pressed by the hook that is coupled to the fitting groove 12a of the protrusion 12 As one end of the part 115 is moved outward, the hook engagement state is released, so that the part 115 can be easily detached.

Subsequently, the contact hole 610 of the operation switch unit 600 is moved to its original position by the restoring force of the spring member 620 and is separated from the connection terminals 632 and 634 to cut off power.

On the other hand, Figure 5 and Figure 6 is a view showing another embodiment of the present invention, the volume control unit 900 and the case for the user to arbitrarily adjust the volume of the speaker unit 400 to the outside of the case (110) An external terminal 475 connected to a circuit terminal outside the output terminal 110 and outputting a control signal to the outside, and an auxiliary speaker unit 470 connected to the external terminal 475 and wired to the outside of the wearer are provided. It is equipped with more.

The volume control unit 900 is installed so that the upper part rotatably protrudes to the outside of the case 110 and the other part is installed in close proximity to the circuit board 300 and the control plate 910 which can only rotate at an angle within a certain range, It is provided on one side of the control plate 910 is provided with a variable resistor 920 for providing a variable resistance value to the circuit board 300 in accordance with its rotation.

Auxiliary speaker portion 470 is provided with a clip 472 having elastic support to be attached to the wearer's belt or buckle and strap on one side.

The external terminal 475, like a normal cell phone terminal protection member, it is preferable that the rubber cover is attached to the outside so that it is normally closed and open when connecting the wiring to the auxiliary speaker 470.

Since the operation has almost the same operation as the above-described embodiment, overlapping description will be omitted.

The function of the volume control unit 900 may be used by adjusting the volume to be audible only within a certain range in the delivery of the doctor to the outside of the wearer while wearing the gas mask 10.

The operation process of the volume control unit 900 is a part of the wearer rotates the control plate 910 protruding outward of the case 110 in one direction, the resistance value installed on one side of the rotating plate 452 is variable circuit board ( 300 to increase or decrease the voice signal.

On the other hand, the auxiliary speaker unit 470 is used to communicate to a large number of other people, or to communicate to a long distance, the wiring of the auxiliary speaker unit 470 to the external terminal 475 of the case 110. When connected to the control signal in the circuit board 300 is transmitted to the auxiliary speaker unit 470 through the wiring to generate a voice signal.

As described above, the present invention gas mask communication device is not only provided with a waterproof function, it is possible to adjust the volume according to the use distance, according to the present invention has the following effects.

First, since it has a waterproof function, it can be detoxified together without needing to separate from the gas mask during the detoxification process before and after metabolic operation, thereby improving usability.

Secondly, since the position of the speaker unit can be moved forward or backward according to the distance / distance, accurate communication is achieved.

Third, since the volume can be adjusted, it is possible to communicate with a large number of others located at a long distance, and has an effect of limiting the listening distance within a certain range.

Fourth, since the case is coupled to the gas mask hook, the removal / mounting has an effect made quickly and easily.

Claims (5)

In the gas mask communication device is installed to be attached to the gas mask 10 to transmit the wearer's voice to the outside through the speaker, A recessed tube portion 110a having a fallopian tube shape is formed at one side thereof, and a hook portion 115 is formed at the other side thereof, and the case 110 is detachable by hook coupling to the protrusion 12 formed at the front of the gas mask 10. Wow, A microphone 210 installed inside the case 110 to convert a wearer's voice signal into an electrical signal; A circuit board 300 connected to the microphone 210 for outputting a control signal amplifying the electrical signal; A speaker unit 400 installed inside the recess 110a for converting a control signal output from the circuit board 300 into a voice signal; A power supply unit 500 for supplying power to the speaker unit 400, the circuit board 300, and the like; It is installed on the other side of the case 110 and the operation switch unit 600 for selectively disconnecting the power of the power supply unit 500 is turned on / off when coupled and detached with the gas mask 10, And the waterproof member 700 which is installed inside the groove portion 110a spaced a proper distance in front of the speaker unit 400, Installed on the inner side of the case 110, respectively, the communication device for gas masks, characterized in that provided with a plurality of packing material (800) for separating and blocking the inside and outside of the case (110). According to claim 1, wherein the volume control unit 900 for adjusting the volume of the speaker unit 400, The volume control unit 900 is a control plate 910 is installed so as to protrude in part rotatably on the outer surface of the case 110, Installed on one side of the control plate (910), and provided with a variable resistor (920) for providing a resistance value that is variable to the circuit board 300 according to the rotation of the gas mask. The method of claim 1, further comprising a speaker moving unit 450 for moving the front and rear of the speaker unit 400 in the groove portion (110a), The speaker moving unit 450 is a rotating plate 452 is axially coupled to the center so that a part above the outer side of the case 110 is rotatable and the gear teeth are formed on the outer peripheral surface, Rotating shaft 454 is coupled to the gear teeth of the rotating plate 452 is interlockable and integrally coupled to the upper end of one side of the speaker unit 400, Gas guide device for a gas mask characterized in that it is provided with a movement guide shaft 456 is coupled to the shaft slidably on the lower side of one side of the speaker 400. The method of claim 1, wherein the waterproof member 700 is a gas mask for the gas mask, characterized in that the material of the ultra-fine yarn or a cross-section yarn having a waterproof breathable function. An external terminal (475) according to any one of claims 1 to 4, which is connected to the circuit board (300) for outputting a control signal to the outside; It is connected to the external terminal 475 and is installed to be attached to a position spaced apart from the case 110 is provided with an auxiliary speaker unit 470 for amplifying the volume of the speaker unit 400 separately. Gas mask for the communication device.