CN210567578U

CN210567578U - Novel ultrasonic leak detector

Info

Publication number: CN210567578U
Application number: CN201921603171.8U
Authority: CN
Inventors: 刘青德; 张勇; 林雄芝; 刘庆超
Original assignee: Shenzhen Houde Detection Technology Co ltd
Current assignee: Shenzhen Houde Detection Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-19
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a novel ultrasonic leak detector, which comprises a shell, a holding section arranged at one end of the shell and a detection port arranged at the other end of the shell, wherein an ultrasonic detector and an ultrasonic generator are arranged in the detection port, and at least one air nozzle which is opened towards the detection port is arranged at the edge of the detection port; the air bag type air bag air-conditioner is characterized in that an installation chamber is arranged in the shell, an air bag is arranged in the installation chamber, an air inlet pipe and an air outlet pipe are connected to the air bag, an air inlet check valve is arranged on the air inlet pipe, an air outlet check valve is arranged on the air outlet pipe, an air nozzle is connected to the air outlet pipe through a soft guide pipe, and an extrusion component stretching into the installation chamber to extrude the air bag is arranged on. The utility model discloses have the effect that improves life.

Description

Novel ultrasonic leak detector

Technical Field

The utility model belongs to the technical field of the ultrasonic detection instrument technique and specifically relates to a novel ultrasonic leak detector is related to.

Background

The ultrasonic leak detector is also called as an ultrasonic leak detector, and is characterized in that in the moving scanning process, after a sensor detects leakage signals, the leakage signals are converted into audio signals which can be heard by human ears and are displayed on a display screen at the same time. The ultrasonic leak detector can be used for detecting the leakage of air, gas, liquid and other conveying pipelines and various devices.

However, because the conveying pipeline and the like are externally arranged in the air, more dust can exist on the surface of the conveying pipeline, when the probe of the ultrasonic leak detector is contacted with the surface of the conveying pipeline for detection, if the dust on the surface of the conveying pipeline is not swept or blown off, the dust is easily accumulated on the probe in the moving and sweeping process of the ultrasonic leak detector, the cleanliness of the probe is influenced on the one hand, on the other hand, the dust or foreign matters are easily made to enter the ultrasonic leak detector from the probe, the service life of the ultrasonic leak detector is influenced, and therefore certain improvement is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel ultrasonic leak detector can improve life's characteristics to a certain extent.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a novel ultrasonic leak detector comprises a shell, a holding section arranged at one end of the shell and a detection port arranged at the other end of the shell, wherein an ultrasonic detector and an ultrasonic generator are arranged in the detection port, and at least one air nozzle opening towards the detection port is arranged at the edge of the detection port;

be provided with the installation room in the casing, be provided with the gasbag in the installation room, be connected with intake pipe and outlet duct on the gasbag, be provided with the check valve that admits air in the intake pipe, the check valve that gives vent to anger is installed to the outlet duct, the air nozzle passes through soft pipe connection on the outlet duct, be provided with on the casing and stretch into the installation indoor extrusion component with the extrusion gasbag.

Through the technical scheme, the ultrasonic leak detector can face a narrow working environment, a worker can operate with one hand and stretch into a narrow space to detect, when the worker finds that a conveying pipeline to be detected is full of more dust, the worker only needs to stretch the ultrasonic leak detector with one hand, a detection port is aligned to the conveying pipeline, the air bag is extruded through the extrusion component, after the air bag is extruded, gas in the air bag can be sprayed out of the air nozzle through the soft pipe, the dust on the conveying pipeline can be blown away by the aid of sprayed air flow, and after the dust is blown away and the dust in the air is slightly settled, the worker can align the detection port to the conveying pipeline to perform moving scanning leak detection;

through the setting of this application ultrasonic wave leak detector, when having more dust in the face of only supplying the narrow and small space that ultrasonic wave leak detector stretched into and on the pipeline, blow away the dust on the pipeline in advance through the air nozzle, avoid surveying the mouth and aim at pipeline and scan the in-process dust adhesion and survey the mouth with the pollution on surveying the mouth to inside avoiding the dust to enter into ultrasonic wave leak detector, influence the life of ultrasonic wave leak detector.

Preferably, the pressing member comprises a pressing block slidably mounted on the housing, one end of the pressing block extends into the mounting chamber, and the other end of the pressing block protrudes from the outer surface of the housing.

Through above-mentioned technical scheme, the gasbag in the installation room can be extruded to the extrusion piece, and gas in the gasbag is compressed the discharge back, and gasbag elasticity resets, and the check valve that admits air can be with in external air supply entering gasbag so that recycle.

Preferably, a tension spring for providing the reset force of the extrusion block is installed between the extrusion block and the inner wall of the shell.

Through above-mentioned technical scheme, tension spring is used for providing the extrusion piece power that resets, improves the effect that the gasbag was extrudeed repeatedly to the extrusion piece.

Preferably, the end of the pressing block, which is in contact with the air bag, is provided with a pressing plate.

Through above-mentioned technical scheme, the stripper plate has improved the area of extrusion piece with the gasbag contact, has improved the effect of giving vent to anger of gasbag.

Preferably, an ash blocking net is installed in the detection port and is located between the air nozzle and the ultrasonic detector.

Through above-mentioned technical scheme, setting up of shelves ash net can be completely cut off external dust outside, avoids external dust to enter into inside the ultrasonic wave leak detection appearance to after blowing the dust on pipeline surface at the air nozzle, less dust remains on the pipeline surface, during the dust has partly suspension air, the setting of shelves ash net can avoid the dust of suspension in the air to enter into inside the ultrasonic wave leak detection appearance from surveying the mouth.

Preferably, the air nozzle is articulated to be installed at the detection mouth border, install the torsional spring on the articulated shaft of air nozzle, the torsional spring is used for providing the air nozzle and surveys the elasticity of mouth opening one side.

Through above-mentioned technical scheme, the air nozzle articulates at the detection mouth border to the air nozzle can rotate on detecting the mouth, when rotating the air nozzle and towards shelves ash net, through air nozzle spun air current, can blow off partly with the dust on the shelves ash net, and the convenience is cleaned shelves ash net.

Preferably, the opening of the air nozzle is flush with the inner wall of the detection port.

Through above-mentioned technical scheme, the opening of air nozzle flushes with the inner wall of surveying the mouth mutually to avoid setting up of air nozzle to influence the detection effect of surveying the mouth.

Preferably, a power module is arranged inside the holding section, a controller is arranged in the shell, a display screen and a measuring button are arranged on the outer surface of the shell, the power module is electrically connected to the controller, and the display screen, the measuring button, the ultrasonic detector and the ultrasonic generator are electrically connected to the controller.

Through above-mentioned technical scheme, power module is used for providing this ultrasonic leak detector operating voltage, and the ultrasonic leak detector of being convenient for carries and uses with the one hand.

To sum up, the utility model discloses a beneficial technological effect does:

this application ultrasonic leak detector's setting, when having more dust in the face of only supplying the narrow and small space that ultrasonic leak detector stretched into and on the pipeline, blow away the dust on the pipeline in advance through the air nozzle, avoid surveying the mouth and aim at pipeline and scan the in-process dust adhesion and survey the mouth with the pollution on surveying the mouth to inside avoiding the dust to enter into ultrasonic leak detector, influence the life of ultrasonic leak detector.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

fig. 2 is a sectional view of the embodiment.

Reference numerals: 1. a housing; 2. a holding section; 3. a probe port; 4. a controller; 5. a display screen; 6. a measurement button; 7. a switch button; 8. a power supply module; 9. a charging port; 10. an ultrasonic detector; 11. an ultrasonic generator; 12. a dust blocking net; 13. a buzzer; 14. an air nozzle; 15. an installation chamber; 16. an air bag; 17. an air inlet pipe; 18. an air outlet pipe; 19. an air inlet check valve; 20. an air outlet one-way valve; 21. a soft catheter; 22. a pressing member; 221. extruding the block; 222. a pressing plate; 223. a tension spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine fig. 1 and fig. 2 to show, a novel ultrasonic leak detector, including casing 1, set up the section 2 of gripping in casing 1 one end and set up the detection mouth 3 at the casing 1 other end, the inside of casing 1 is provided with controller 4, the surface of casing 1 is provided with display screen 5, measuring button 6 and shift knob 7, be provided with power module 8 in the section 2 of gripping, power module 8 adopts the battery, be provided with the mouth 9 that charges that links to each other with power module 8 on the terminal surface of the section 2 of gripping. The power module 8 is used for providing the working voltage of the ultrasonic leak detector, the power module 8 is electrically connected to the controller 4, and the display screen 5, the measuring button 6 and the switch button 7 are electrically connected to the controller 4.

In this application, survey mouthful 3 and be the setting of loudspeaker form flaring, be provided with ultrasonic detector 10 and supersonic generator 11 in surveying mouthful 3, install shelves ash net 12 in surveying mouthful 3, shelves ash net 12 is located the ultrasonic detector 10 and the supersonic generator 11 outside, and shelves ash net 12 can avoid external dust or foreign matter to enter into inside the ultrasonic leak detector from surveying mouthful 3.

The number of the ultrasonic detectors 10 is two, the number of the ultrasonic generators 11 is one, the ultrasonic generators 11 are located in the middle of the detection port 3, the ultrasonic detectors 10 are located on two sides of the ultrasonic generators 11, and the ultrasonic generators 11 and the ultrasonic detectors 10 are electrically connected to the controller 4. The ultrasonic generator 11 is used for emitting ultrasonic waves, the ultrasonic detector 10 is used for detecting the detected ultrasonic waves, and the display screen 5 is used for displaying the frequency value of the detected ultrasonic waves.

The switch button 7 is used for controlling the start and stop of the whole ultrasonic leak detector, and the measurement button 6 is used for controlling the start of the ultrasonic detector 10 or the simultaneous start of the ultrasonic detector 10 and the ultrasonic generator 11. When a conveying pipeline needs to be detected, the measuring button 6 controls the ultrasonic detector 10 to work, when the conveying pipeline leaks, gas can form turbulent flow from the leakage, the turbulent flow can generate sound waves with certain frequency near a leak hole, the sound waves can be attenuated along with the transmission of distance, and the ultrasonic waves received by the ultrasonic detector 10 are fed back to the controller 4;

when the pressure container needs to be detected, the ultrasonic generator 11 and the ultrasonic detector 10 are controlled to be started simultaneously, the ultrasonic detector 10 detects the attenuation condition of ultrasonic waves sent by the ultrasonic generator 11, the ultrasonic detector 10 can feed the received ultrasonic waves back to the controller 4, when the sound wave frequency reaches a certain range, the buzzer 13 is arranged in the shell 1, the controller 4 controls the buzzer 13 to send out an alarm signal, and meanwhile, the alarm signal is displayed on the display screen 5, so that the ultrasonic leakage detection process of a conveying pipeline or the pressure container is completed.

In order to improve the cleanliness of the detection position of the conveying pipeline or the pressure container, dust on the surface of the conveying pipeline or the pressure container needs to be blown off. Specifically, the edge of the probe port 3 is provided with at least one air nozzle 14 opening toward the probe port 3, the number of the air nozzles 14 is set according to actual conditions, and the air nozzles 14 can be arranged at equal intervals along the circumferential direction of the edge of the probe port 3.

An installation chamber 15 is arranged in the shell 1, an air bag 16 is arranged in the installation chamber 15, an air inlet pipe 17 and an air outlet pipe 18 are connected to the air bag 16, the air inlet pipe 17 penetrates through the shell 1 to be communicated with the outside, and an air inlet check valve 19 is arranged on the air inlet pipe 17. An air outlet check valve 20 is installed on the air outlet pipe 18, a soft conduit 21 is connected to the air nozzle 14, the soft conduit 21 penetrates through the shell 1 and extends into the shell 1 to be connected to the air outlet pipe 18, wherein an extrusion component 22 which extends into the installation chamber 15 to extrude the air bag 16 is arranged on the shell 1.

Specifically, the pressing member 22 includes a pressing block 221 slidably mounted on the housing 1, one end of the pressing block 221 protrudes into the mounting chamber 15, and the other end of the pressing block 221 protrudes from the outer surface of the housing 1. The pressing plate 222 is installed at the end of the pressing block 221 contacting the air bag 16, and a tension spring 223 for providing a restoring force of the pressing block 221 is installed between the pressing block 221 and the inner wall of the housing 1.

From this, when there is more dust in the face of only supplying the narrow and small space that ultrasonic leak detector stretched into and on the pipeline, extrude the gas in 16 gasbags through extrusion piece 221, the gas in 16 gasbags compresses the blowout from air nozzle 14, blow away the dust on the pipeline, avoid surveying mouthful 3 and aim at pipeline scanning removal in-process dust adhesion on surveying mouthful 3 with the pollution detection mouth 3, and shelves grey net 12 can block the dust of suspension in the air, avoid the dust to enter into inside the ultrasonic leak detector, influence the life of ultrasonic leak detector.

It is worth to explain that the air nozzle 14 is hinged and installed at the edge of the detection port 3, the air nozzle 14 can be turned over on the detection port 3, the opening of the air nozzle 14 is flush with the inner wall of the detection port 3, a torsional spring is installed on the hinged shaft of the air nozzle 14, and the torsional spring is used for providing the elastic force of the air nozzle 14 towards the opening side of the detection port 3, so that the opening of the air nozzle 14 always faces the opening side of the detection port 3 in a natural state.

Wherein, the air nozzle 14 is located the outside of shelves ash net 12, and the shelves ash net 12 is located between air nozzle 14 and supersonic generator 11 promptly, overturns air nozzle 14, and the opening of air nozzle 14 can face shelves ash net 12 one side, and from this, the air current of blowout in the air nozzle 14 can blow the dust on the shelves ash net 12 off, reaches the purpose of clean shelves ash net 12.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A novel ultrasonic leak detector comprises a shell (1), a holding section (2) arranged at one end of the shell (1) and a detection port (3) arranged at the other end of the shell (1), wherein an ultrasonic detector (10) and an ultrasonic generator (11) are arranged in the detection port (3), and the novel ultrasonic leak detector is characterized in that at least one air nozzle (14) which is opened towards the detection port (3) is arranged at the edge of the detection port (3);

be provided with installation room (15) in casing (1), be provided with gasbag (16) in installation room (15), be connected with intake pipe (17) and outlet duct (18) on gasbag (16), be provided with admit air check valve (19) on intake pipe (17), install outlet check valve (20) on outlet duct (18), air nozzle (14) are connected on outlet duct (18) through soft pipe (21), be provided with on casing (1) and stretch into in installation room (15) with extrusion component (22) of extrusion gasbag (16).

2. A novel ultrasonic leak detector according to claim 1, wherein the pressing member (22) comprises a pressing block (221) slidably mounted on the casing (1), one end of the pressing block (221) extends into the mounting chamber (15), and the other end of the pressing block (221) protrudes from the outer surface of the casing (1).

3. The novel ultrasonic leak detector according to claim 2, wherein a tension spring (223) for providing a resetting force of the extrusion block (221) is installed between the extrusion block (221) and the inner wall of the shell (1).

4. The novel ultrasonic leak detector as claimed in claim 2, wherein the end of the extrusion block (221) contacting the air bag (16) is provided with an extrusion plate (222).

5. The novel ultrasonic leak detector according to claim 1, wherein an ash blocking net (12) is installed in the detection port (3), and the ash blocking net (12) is located between the air nozzle (14) and the ultrasonic detector (10).

6. The novel ultrasonic leak detector as claimed in claim 5, wherein the air nozzle (14) is hinged at the edge of the detection port (3), and a torsion spring is mounted on a hinged shaft of the air nozzle (14) and used for providing an elastic force of the air nozzle (14) towards the opening side of the detection port (3).

7. A novel ultrasonic leak detector as claimed in claim 1, characterized in that the opening of the air nozzle (14) is flush with the inner wall of the detection port (3).

8. The novel ultrasonic leak detector according to claim 1, wherein a power module (8) is arranged inside the holding section (2), a controller (4) is arranged inside the casing (1), a display screen (5) and a measuring button (6) are arranged on the outer surface of the casing (1), the power module (8) is electrically connected to the controller (4), and the display screen (5), the measuring button (6), the ultrasonic detector (10) and the ultrasonic generator (11) are electrically connected to the controller (4).