CN214541559U - Wireless transmission leakage listening instrument - Google Patents

Abstract

The application relates to the field of leakage hearing instruments and discloses a wireless transmission leakage hearing instrument which comprises a leakage hearing instrument, a hearing earphone and a vibration pickup sensor, wherein the hearing earphone and the vibration pickup sensor are electrically connected to the outer surface of the leakage hearing instrument through leads, the upper surface of the vibration pickup sensor is integrally formed with a cable through pipe, the outer surface of the cable through pipe is connected with a sound insulation shield in a sliding way, the upper surface of the sound-proof shield is integrally formed with a fixed long rod, the inner wall of the sound-proof shield is bonded with a sound-proof shield, the sound detected by the vibration pickup sensor can be analyzed by the hearing leakage instrument and transmitted to the position of a listening earphone for listening discrimination, meanwhile, the outer surface of the vibration pickup sensor is provided with a slidable mechanism sound insulation shield and a sound insulation shield, when the external noise is more, through pressing fixed stock, will give sound insulation shield and sound-proof housing cover and completely cut off the noise in the outside of picking up the sensor that shakes to reach and reduce the interference that the noise caused to the auditory leakage appearance. The method and the device have the effect of reducing the interference of the noise to the leak detector.

Description

Wireless transmission leakage listening instrument

Technical Field

The application relates to the field of leakage listening instruments, in particular to a wireless transmission leakage listening instrument.

Background

The leakage detector is composed of a sensor and an amplifier, the position of a water leakage point is judged by a ground listening method, and the core of a probe is a high-sensitivity sound sensor which can convert weak sound into an electric signal.

At present, when the leak detector is used, a vibration pickup sensor is required to be used for detecting a water leakage position, but the vibration pickup sensor is easily influenced by an external environment in the using process, so that the sound detected by the leak detector is easily interfered by noise when being listened.

In view of the above-mentioned related art, the inventor believes that the leak detector has a defect of being easily interfered by noise.

SUMMERY OF THE UTILITY MODEL

In order to reduce the interference of noise to the leak detector, the application provides a wireless transmission leak detector.

The application provides a wireless transmission leakage listening instrument adopts following technical scheme:

a wireless transmission leak detector comprises a leak detector, a listening earphone and a vibration pickup sensor which are electrically connected to the outer surface of the leak detector through wires, wherein a cable through pipe is integrally formed on the upper surface of the vibration pickup sensor, a sound insulation shield is connected to the outer surface of the cable through pipe in a sliding mode, a fixed long rod is integrally formed on the upper surface of the sound insulation shield, a sound insulation cover is bonded to the inner wall of the sound insulation shield, a rubber pad is bonded to the lower surface of the sound insulation shield, and a supporting base is screwed to the lower surface of the vibration pickup sensor.

Through adopting above-mentioned technical scheme, make when the sensor that shakes need leak and detect, can move in the detection department through supporting the base and seek the detection, when outside noise is too big, can extrude syllable-dividing shield, will syllable-dividing shield and the sensor cover that shakes of picking up are in the outside of sensor that shakes, it is isolated to carry out the noise, and there is the annular rubber pad of circle at the lower surface bonding of syllable-dividing shield, make when examining on the face of unevenness, can fill the gap through the rubber pad, make syllable-dividing effect more, thereby reach the interference that reduces the noise and cause the leak detector.

Preferably, the lower surface of the vibration pickup sensor is integrally formed with a connecting ring, the vibration pickup sensor is connected with the supporting base in a screwing manner through the connecting ring, and the vibration isolating pad is bonded in the inner wall of the supporting base.

Through adopting above-mentioned technical scheme for support the base and be convenient for close the lower surface at the sensor that shakes soon through the clamping ring, make after supporting the base and use for a long time, when wearing and tearing appear, can close soon through the clamping ring and install the change fast, integrated into one piece has the vibration isolator simultaneously in the inner wall of supporting the base, makes the vibration isolator can reduce the noise that supports the base and produce when using.

Preferably, a corrugated pipe is fixed in the inner wall of the sound insulation shield through screws, and the lower surface of the corrugated pipe is fixedly connected with the outer surface of the vibration pickup sensor.

Through adopting above-mentioned technical scheme for the bellows can carry out elastic stretching between the inner wall of sound-proof guard shield and the surface of picking up the sensor that shakes, thereby makes sound-proof guard shield when the surface of picking up the sensor that shakes slides and pushes down, can resume the normal position through the bellows, and the bellows can increase sound insulation effect of sound-proof guard shield simultaneously.

Preferably, integrated into one piece has the slip chamber in the inner wall of fixed stock, be fixed with the recovery spring through the screw in the inner wall in slip chamber, just the other end of recovery spring with the upper surface of cable siphunculus carries out fixed connection through the screw.

Through adopting above-mentioned technical scheme for the cable siphunculus can carry out the elastic sliding through the recovery spring when sliding connection is in the inside in slip chamber, thereby makes fixed long pole when pushing down, and the cable siphunculus can slide in the inside in slip chamber, can not influence the pushing down of fixed long pole.

Preferably, a spiral spring is fixed on one side, away from the vibration pickup sensor, of the corrugated pipe in the inner wall of the sound insulation shield through a screw.

Through adopting above-mentioned technical scheme for coil spring can increase the elastic capacity of bellows, so that help sound insulation guard shield resumes the normal position, sets up in the outside of bellows simultaneously, prevents that coil spring from causing the influence to the pick up sensor of the noise that produces when using.

To sum up, the application comprises the following beneficial technical effects:

the outer surface of the acoustic leakage instrument is electrically connected with the listening earphone and the vibration pickup sensor through the conducting wire, so that the sound detected by the vibration pickup sensor can be analyzed by the acoustic leakage instrument and transmitted to the listening earphone for listening and distinguishing, meanwhile, the outer surface of the vibration pickup sensor is provided with the slidable mechanism sound insulation shield and the sound insulation cover, when external noise is more, the sound insulation shield and the sound insulation cover are isolated from the noise outside of the vibration pickup sensor by pressing the fixed long rod, and therefore the interference of the noise to the acoustic leakage instrument is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a leak detector according to an embodiment of the present application;

FIG. 2 is a schematic view showing a coupling structure of the soundproof shield according to the embodiment of the application;

fig. 3 is a schematic view of a connection structure of a sliding chamber according to an embodiment of the present invention.

Description of reference numerals: 1. listening to an earphone; 2. a leak detector; 3. fixing the long rod; 4. a sound-insulating shield; 5. a cable through pipe; 6. a bellows; 7. a coil spring; 8. a vibration pickup sensor; 9. a rubber pad; 10. a sound-proof housing; 11. a connecting ring; 12. a vibration isolator; 13. a support base; 14. a sliding cavity; 15. the spring is restored.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a wireless transmission leak detector. Referring to fig. 1 and 2, a wireless transmission leakage listening apparatus comprises a leakage listening apparatus 2, a listening earphone 1 and a vibration pickup sensor 8 electrically connected to the outer surface of the leakage listening apparatus 2 through wires, so that when detecting leakage, the vibration pickup sensor 8 is attached to a region to be detected, then the leakage listening apparatus 2 performs sound analysis, then the listening earphone 1 performs sound listening, and a circular tubular cable duct 5 is integrally formed on the upper surface of the vibration pickup sensor 8, so that the vibration pickup sensor 8 can be slidably connected to the inside of a circular tubular fixed long rod 3 through the cable duct 5 for use,

simultaneously, lower surface integrated into one piece at fixed long pole 3 has cylindric sound-proof shield 4, and it has cylindric sound-proof shield 10 to adhere in sound-proof shield 4's inner wall, it detects when leaking to make at vibration pickup sensor 8, can seek the detection in the removal of detection department through supporting base 13, when outside noise is too big, can extrude sound-proof shield 4, cover sound-proof shield 4 and vibration pickup sensor 8 in vibration pickup sensor 8's outside, it is isolated to carry out the noise, and it has annular rubber pad 9 to adhere at sound-proof shield 4's lower surface, it detects time measuring to make on the face of unevenness, can fill the gap through rubber pad 9, make syllable-dividing effect more, thereby reach the interference that reduces the noise and cause vibration pickup sensor 8.

Referring to fig. 2, there is annular coupling ring 11 at the lower surface integrated into one piece of sensor 8 that shakes picking up for support base 13 is convenient for close soon at the lower surface of sensor 8 that shakes picking up through coupling ring 11, makes after support base 13 uses for a long time, when wearing and tearing appear, can close soon through coupling ring 11 and install the change, and integrated into one piece has vibration isolator 12 in the inner wall of support base 13 simultaneously, makes vibration isolator 12 can reduce the noise that support base 13 produced when using.

Referring to fig. 2, a bellows 6 is fixed in the inner wall of the sound-proof shield 4 by screws, and the other end of the bellows 6 is fixedly connected to the outer surface of the vibration pickup sensor 8, so that the bellows 6 can elastically stretch between the inner wall of the sound-proof shield 4 and the outer surface of the vibration pickup sensor 8, and when the sound-proof shield 4 slides and presses down on the outer surface of the vibration pickup sensor 8, the original position can be restored by the bellows 6, and meanwhile, the bellows 6 can increase the sound-proof effect of the sound-proof shield 4.

Referring to fig. 3, a cylindrical sliding cavity 14 is integrally formed in the inner wall of the fixed long rod 3, and a restoring spring 15 is fixed in the inner wall of the sliding cavity 14 through screws, so that when the cable duct 5 is slidably connected in the sliding cavity 14, the cable duct 5 can elastically slide through the restoring spring 15, and thus when the fixed long rod 3 is pressed down, the cable duct 5 can slide in the sliding cavity 14 without affecting the pressing down of the fixed long rod 3.

Referring to fig. 2, a coil spring 7 is fixed to the inner wall of the soundproof cover 4 between the corrugated tube 6 and the soundproof cover 10 by screws, so that the coil spring 7 can increase the elastic capacity of the corrugated tube 6 to help the soundproof cover 4 to recover its original position, and is disposed outside the corrugated tube 6 to prevent noise generated by the coil spring 7 when in use from affecting the vibration pickup sensor 8.

The implementation principle of the wireless transmission leak detector in the embodiment of the application is as follows: in the use of leak detector 2, will listen in during earphone 1 fills in user's ear, then through handheld fixed stock 3 and sound insulation shield 4, will support base 13 and laminate in the region that needs the detection and detect, it is too much when outside noise, when causing the influence to the detection of picking up vibration sensor 8, can be through pressing fixed stock 3, let fixed stock 3 drive sound insulation shield 4 and sound insulation shield 4 in the sound insulation shield 10 cover the surface at picking up vibration sensor 8, it is isolated to carry out noise to pick up vibration sensor 8, simultaneously there is rubber pad 9 at the lower surface bonding of sound insulation shield 4, make rubber pad 9 can extrude the packing at the detection face of unevenness, thereby make sound insulation shield 4's syllable-dividing effect better.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. A wireless transmission leakage listening instrument is characterized in that: the sound insulation device comprises a leakage listening instrument (2), a listening earphone (1) and a vibration pickup sensor (8) which are electrically connected to the outer surface of the leakage listening instrument (2) through wires, wherein a cable through pipe (5) is integrally formed on the upper surface of the vibration pickup sensor (8), a sound insulation shield (4) is connected to the outer surface of the cable through pipe (5) in a sliding mode, a fixed long rod (3) is integrally formed on the upper surface of the sound insulation shield (4), a sound insulation shield (10) is bonded in the inner wall of the sound insulation shield (4), a rubber pad (9) is bonded on the lower surface of the sound insulation shield (4), and a supporting base (13) is screwed on the lower surface of the vibration pickup sensor (8).

2. A wireless transmission leak detector according to claim 1, wherein: the lower surface integrated into one piece of picking up sensor (8) that shakes has clamping ring (11), it passes through to pick up sensor (8) that shakes clamping ring (11) with support base (13) carry out the spiral connection, it has vibration isolator (12) to adhere in the inner wall of support base (13).

3. A wireless transmission leak detector according to claim 1, wherein: bellows (6) are fixed in the inner wall of sound insulation shield (4) through the screw, just the lower surface of bellows (6) with pick up the surface of shaking sensor (8) and carry out fixed connection.

4. A wireless transmission leak detector according to claim 1, wherein: integrated into one piece has slip chamber (14) in the inner wall of fixed stock (3), there is recovery spring (15) through the screw fixation in the inner wall in slip chamber (14), just the other end of recovery spring (15) with the upper surface of cable siphunculus (5) carries out fixed connection through the screw.

5. A wireless transmission leak detector according to claim 3, wherein: and a spiral spring (7) is fixed on one side of the corrugated pipe (6) departing from the vibration pickup sensor (8) in the inner wall of the sound insulation shield (4) through a screw.

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