A highly sensitive intelligent leak detector

Abstract

The present invention provides a high-sensitivity intelligent leak detector, which relates to the field of leak detectors. The present invention includes a leak detector main body. When the sensor is placed on the surface of an object to be detected, the present invention will drive one side of several limiting frames and the outer surface of a rubber airbag to abut against the surface of the object. Then, according to the size of the range to be detected and the actual usage, the range surrounded by the several limiting frames can be adjusted through an adjustment mechanism, which will drive the rubber airbag to be pulled apart to optimize the gathering effect and change the sound collection range. Then, while holding the sensor, the inflation mechanism can be pressed to inflate the inside of the rubber airbag, causing it to expand between the inner wall of the limiting frame and the several limiting frames, and tightly and completely covering the outer surface of the detection end of the sensor, so as to isolate the external sound, avoid interference with the detection of the leakage signal, and improve the precision and accuracy of the leakage detection.

Description

Technical Field

[0001] The invention relates to the field of leak detectors, in particular to a high-sensitivity intelligent leak detector. Background Art

[0002] A leak detector is a device used to detect leaks in pipes, containers or other closed systems. It determines the location and size of the leak by receiving and analyzing the sound signals generated by gas or liquid leakage.

[0003] Existing leak detectors generally use high-precision sensors such as ultrasonic or piezoelectric sensors, combined with wide-band response, noise suppression technology and high sampling rate, to accurately capture weak leakage sound signals, thereby achieving high-sensitivity detection. In traditional leak detectors, sensors mainly rely on directly receiving sound signals from the surface of objects or in the air. When used in a noisy environment, external noise can easily interfere with the detection of leakage signals, reducing the precision and accuracy of leakage detection. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: in the traditional leak detection instrument body, the sensor mainly relies on directly receiving the sound signal from the surface of the object or in the air. When used in a noisy environment, the external noise can easily interfere with the detection of the leakage signal, reducing the precision and accuracy of the leakage detection.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a high-sensitivity intelligent leak detector, including a leak detector body, a knob block is symmetrically rotatably installed on one side of the leak detector body, a speaker is provided on one side of the leak detector body, a wire is plugged and connected at the interface of the leak detector body, a sensor is fixedly installed at one end of the wire, and a sound insulation device is provided on the outer surface of the sensor. The sound insulation device can limit and fix a rubber airbag on the outer surface of one end of the sensor through a limiting frame, so that it can achieve the effect of blocking external sounds during detection. At the same time, the limiting frame can be adjusted with the help of an adjustment mechanism according to usage requirements to change the blocking range.

[0006] The effect achieved by the above components is: when using the leak detector body to detect sound leaks on water pipes inside a building, the wire on one side of the sensor can be inserted into the connection hole of the leak detector body, and then the leak detector body and the sensor can be started by operating the knob block, and the sensor can be placed and attached to the position to be detected. After receiving the ultrasonic sound leakage signal, the sensor will transmit the signal to the leak detector body through the wire, and then the speaker will issue a sound prompt. When the sensor is placed on the surface of the object to be detected, the sound insulation device will also be placed on the surface of the object and covered around the outer surface of the sensor to block external sounds. At the same time, the blocking range can be adjusted according to usage requirements to optimize the gathering effect and change the sound collection range, thereby improving the precision and accuracy of sound leakage detection.

[0007] Preferably, the sound insulation device includes an arc frame, several limiting frames and a rubber airbag, wherein a detachable device is arranged between one side of the arc frame and the outer surface of the sensor, several first springs are fixedly installed on one side of the arc frame, and the rubber airbag is arranged in the inner wall of several limiting frames; a circular ring frame, wherein one end of several first springs is fixedly installed on one side of the circular ring frame, and one end of the sensor is inserted into the inner wall of the arc frame and the circular ring frame; an adjusting mechanism, wherein the adjusting mechanism is arranged between several limiting frames and the circular ring frame, and is used to adjust the limiting frames to change the blocking range; an inflation mechanism, wherein the inflation mechanism is arranged between the rubber airbag and the circular ring frame, and is used to inflate the interior of the rubber airbag so that its outer surface can be tightly attached to the object when in use.

[0008] The effect achieved by the above components is: by setting up a sound insulation device, when the sensor is placed on the surface of the object to be detected, one side of several limiting frames and the outer surface of the rubber airbag will be driven to abut against the surface of the object, and then the range enclosed by several limiting frames can be adjusted through the adjustment mechanism according to the size of the range to be detected and the actual usage, which will drive the rubber airbag to be pulled apart to optimize the gathering effect and change the sound collection range. Then, while holding the sensor, you can press the inflation mechanism to inflate the inside of the rubber airbag, causing it to expand between the inner wall of the limiting frame and several limiting frames, and tightly and completely cover the outer surface of the sensor detection end, so as to isolate the external sound, avoid interference with the detection of leakage signals, and improve the precision and accuracy of leakage detection.

[0009] Preferably, the adjustment mechanism includes a plurality of abutment plates, wherein one side of the plurality of abutment plates is fixedly mounted on one side of the limiting skeleton; a plurality of telescopic rods, wherein both ends of the plurality of telescopic rods are respectively fixedly mounted on one side of the plurality of limiting skeletons and the outer surface of the circular ring frame; a plurality of springs, wherein the inner walls of the plurality of springs are respectively sleeved on the outer surfaces of the plurality of telescopic rods, and the two ends are respectively fixedly mounted on one side of the plurality of limiting skeletons and the outer surface of the circular ring frame; a threaded rod, wherein one end of the threaded rod is spirally penetrated and mounted on one side of the circular ring frame; a conical ring block, wherein the inner wall of the conical ring block is sleeved on the outer surface of the sensor, and one side is rotatably connected to one end of the threaded rod, and one side of the conical ring block abuts against one side of the abutment plate.

[0010] The effect achieved by the above components is: by setting an adjustment mechanism, when the range enclosed by the limiting frame is adjusted according to the use requirements, the threaded rod can be manually spirally rotated in the inner wall of the circular ring frame to a certain position, so that it drives the conical ring block mounted on the sensor to slide to one end, and the outer surface of one end will abut against the abutment plate, pushing it outward, driving several limiting frames to be stretched outward under the limit of the telescopic rod and the second spring, so that the telescopic rod and the second spring are stretched, and the rubber airbag is stretched at the same time, thereby adjusting the sound receiving range to optimize the gathering effect and change the sound collection range, thereby improving the precision and accuracy of sound leakage detection.

[0011] Preferably, one side of the abutment plate is rotatably connected to a plurality of round rollers, and the round rollers are arranged on a side of the abutment plate away from the limiting frame.

[0012] The effect achieved by the above components is that by providing the circular roller, the abutment friction between the abutment plate and the conical ring block can be reduced, making it easier to abut and push them.

[0013] Preferably, the inflation mechanism includes an air box, wherein the inner wall of the air box is fixedly mounted on the outer surface of the circular frame, and one side is fixedly connected to one end of the rubber airbag, and a plurality of through holes are opened on one side of the inner wall of the air box, wherein the through holes connect the inner wall of the air box with the inner wall of the rubber airbag to form an enclosed space; a push rack, wherein several ends of the push rack are all installed on one side of the air box and extend into the inner wall; a piston plate, wherein the outer surface of the piston plate is slidably connected to the inner wall of the air box, and one side is fixedly connected to one side of the push rack; a plurality of third springs, wherein the plurality of third springs are respectively mounted on the outer surfaces of several ends of the push rack, and the two ends are respectively fixedly mounted on one side of the inner wall of the air box and one side of the piston plate.

[0014] The effect achieved by the above components is: by setting up an inflation mechanism, and then placing the limiting frame and the rubber airbag against the surface of the object to be detected, you can press the push frame to drive the piston plate to slide to one end in the inner wall of the air box, so that its third spring is stretched, and the piston plate squeezes the air inside the air box into the airbag through the through hole, causing it to expand, so that the fitting part can be made tighter, the sound insulation effect is improved, and it is suitable for different usage scenarios.

[0015] Preferably, the detachable device includes a U-shaped block, wherein both ends of the U-shaped block are fixedly mounted on the outer surface of the sensor, and a threaded hole is provided on one side of the inner wall of the U-shaped block; a screw hole block, wherein one side of the screw hole block is fixedly mounted on one side of the arc frame, and one end is inserted into the inner wall of the U-shaped block; and a bolt, wherein one end of the bolt is spirally inserted into the screw hole block and the inner wall of the threaded hole.

[0016] The effect achieved by the above components is: by setting up a detachable device, when the sound insulation device needs to be replaced, the bolt can be manually screwed out from the threaded hole and the inner wall of the screw hole block, and then the arc frame can be pulled downward to pull the screw hole block out from the inner wall of the U-shaped block, and it can be removed from the sensor for easy replacement.

[0017] Preferably, a connecting rope is fixedly mounted on one end of the bolt, and one end of the connecting rope is fixedly mounted on one side of the arc-shaped frame.

[0018] The effect achieved by the above components is that the bolt can be limited on the arc frame by arranging the connecting rope, so that it is not easy to be lost after being pulled out from the threaded hole and the inner wall of the screw hole block.

[0019] Preferably, a control module is provided inside the main body of the leak detector, the sensor is electrically connected to the control module via a wire, and the speaker and the knob block are both electrically connected to the control module.

[0020] The effect achieved by the above components is: during detection, the command can be uploaded to the control module for analysis by operating the knob block. After analysis, a command is issued to start the leak detector body and the sensor. When the sensor receives the ultrasonic leakage signal during detection, the signal will be transmitted to the control module on the leak detector body through a wire for analysis and storage, and then a sound prompt will be issued by the speaker.

[0021] The beneficial effects of the present invention are:

[0022] By setting up a sound insulation device, when the sensor is placed on the surface of the object to be detected, one side of several limiting frames and the outer surface of the rubber airbag will be driven to abut against the surface of the object. Then, according to the size of the range to be detected and the actual usage, the range enclosed by the several limiting frames can be adjusted through the adjustment mechanism, which will drive the rubber airbag to be pulled apart to optimize the gathering effect and change the sound collection range. Then, while holding the sensor, you can press the inflation mechanism to inflate the inside of the rubber airbag, causing it to expand between the inner wall of the limiting frame and the several limiting frames, tightly and completely covering the outer surface of the detection end of the sensor, so as to isolate the external sound, avoid interference with the detection of leakage signals, and improve the precision and accuracy of leakage detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and examples.

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the main body of the leak detector of the present invention;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the arc frame of the present invention;

[0027] Figure 4 for Figure 3 3D schematic diagram of the local structure;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the rubber airbag of the present invention;

[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the limiting frame of the present invention;

[0030] Figure 7 for Figure 6 3D schematic diagram of the local structure;

[0031] Figure 8 It is a schematic diagram of the three-dimensional structure of the air box of the present invention;

[0032] Figure 9 for Figure 8 3D schematic diagram of the local structure;

[0033] Figure 10 This is the intelligent flow chart of the present invention.

[0034] Legend: 1. Leak detector body; 2. Sound insulation device; 3. Removable device; 4. Wire; 5. Sensor; 6. Knob block; 7. Speaker; 21. Arc frame; 22. First spring; 23. Ring frame; 24. Limiting frame; 25. Adjustment mechanism; 251. Abutment plate; 252. Telescopic rod; 253. Second spring; 254. Threaded rod; 255. Conical ring block; 256. Round roller; 26. Rubber airbag; 27. Inflating mechanism; 271. Air box; 272. Push frame; 273. Piston plate; 274. Third spring; 275. Through hole; 31. U-shaped block; 32. Threaded hole; 33. Screw hole block; 34. Bolt; 35. Connecting rope. DETAILED DESCRIPTION

[0035] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0036] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0037] Figure 1-10A highly sensitive intelligent leak detector is shown, comprising a leak detector body 1, a knob block 6 symmetrically mounted on one side of the leak detector body 1, a speaker 7 provided on one side of the leak detector body 1, a wire 4 plugged into the interface of the leak detector body 1, a sensor 5 (model UT-CS002) fixedly mounted at one end of the wire 4, a sound insulation device 2 provided on the outer surface of the sensor 5, the sound insulation device 2 can limit and fix the rubber airbag 26 on the outer surface of one end of the sensor 5 through a limiting frame 24, so that it can achieve the effect of blocking external sounds during detection, and the limiting frame 24 can be adjusted with the help of an adjusting mechanism 25 according to usage requirements to change the blocking range. When using the leak detector body 1 to detect sound leaks on water pipes inside a building, the wire 4 on one side of the sensor 5 can be inserted into the connecting hole of the leak detector body 1, and then the leak detector body 1 and the sensor 5 can be started by operating the knob block 6, and the sensor 5 can be placed and attached to the position to be detected. After receiving the ultrasonic sound leakage signal, the sensor 5 will transmit the signal to the leak detector body 1 through the wire 4, and then the speaker 7 will issue a sound prompt. When the sensor 5 is placed on the surface of the object to be detected, the sound insulation device 2 will also be placed on the surface of the object and covered around the outer surface of the sensor 5 to block external sounds. At the same time, the blocking range can be adjusted according to usage requirements to optimize the gathering effect and change the sound collection range, thereby improving the precision and accuracy of sound leakage detection.

[0038] Figure 2-9The sound insulation device 2 shown includes an arc frame 21, several limiting frames 24 and a rubber airbag 26, wherein a detachable device 3 is arranged between one side of the arc frame 21 and the outer surface of the sensor 5, several first springs 22 are fixedly installed on one side of the arc frame 21, and the rubber airbag 26 is arranged in the inner wall of several limiting frames 24; a circular ring frame 23, wherein one end of several first springs 22 is fixedly installed on one side of the circular ring frame 23, and one end of the sensor 5 is inserted into the inner wall of the arc frame 21 and the circular ring frame 23; an adjustment mechanism 25, wherein the adjustment mechanism 25 is arranged between several limiting frames 24 and the circular ring frame 23, and is used to adjust the limiting frames 24 to change the blocking range; an inflation mechanism 27, wherein the inflation mechanism 27 is arranged between the rubber airbag 26 and the circular ring frame 23, and is used to inflate the interior of the rubber airbag 26 so that its outer surface can be tightly attached to an object when in use. When the sensor 5 is placed on the surface of the object to be detected, one side of several limiting frames 24 and the outer surface of the rubber airbag 26 will be brought into contact with the surface of the object. Then, according to the size of the range to be detected and the actual usage, the range surrounded by several limiting frames 24 can be adjusted through the adjustment mechanism 25, which will drive the rubber airbag 26 to be pulled apart to optimize the gathering effect and change the sound collection range. Then, while holding the sensor 5, you can press the inflation mechanism 27 to inflate the inside of the rubber airbag 26, causing it to expand between the inner wall of the limiting frame 24 and several limiting frames 24, and tightly and completely tighten the outer surface of the detection end of the sensor 5. The cover can isolate the external sound, avoid interfering with the detection of the sound leakage signal, and improve the precision and accuracy of the sound leakage detection. When one side of the sensor 5 is pressed against the surface of the object to be detected, the distance between one end of the limiting frame 24 and one end of the sensor 5 can be adjusted. After being placed on the surface of the object, the limiting frame 24 and the circular frame 23 will be pushed to move to one end, driving the first spring 22 to contract. At the same time, the first spring 22 will provide a reset reverse thrust to the limiting frame 24 and the circular frame 23, so that the outer surface of one end of the adjusting limiting frame 24 and the rubber airbag 26 can be pressed against the surface of the object without hindering the detection of the sensor 5.

[0039] Figure 2-9The adjustment mechanism 25 shown includes several abutment plates 251, one side of which is fixedly mounted on one side of the limiting skeleton 24; several telescopic rods 252, two ends of which are respectively fixedly mounted on one side of the limiting skeleton 24 and the outer surface of the circular frame 23; several springs, the inner walls of which are respectively sleeved on the outer surfaces of the several telescopic rods 252, and the two ends are respectively fixedly mounted on one side of the limiting skeleton 24 and the outer surface of the circular frame 23; a threaded rod 254, one end of which is spirally penetrated and mounted on one side of the circular frame 23; a conical ring block 255, the inner wall of which is sleeved on the outer surface of the sensor 5, and one side is rotatably connected to one end of the threaded rod 254, and one side of the conical ring block 255 abuts against one side of the abutment plate 251. By providing an adjustment mechanism 25, when the range enclosed by the limiting frame 24 is adjusted according to usage requirements, the threaded rod 254 can be manually rotated in the inner wall of the circular frame 23 to a certain position, causing the conical ring block 255 mounted on the sensor 5 to slide toward one end. The outer surface of one end will abut against the abutment plate 251, pushing it outward, driving the plurality of limiting frames 24 to expand outward under the restraint of the telescopic rod 252 and the second spring 253, causing the telescopic rod 252 and the second spring 253 to stretch, and simultaneously stretching the rubber airbag 26, thereby adjusting the sound receiving range, optimizing the focusing effect and changing the sound collection range, and improving the precision and accuracy of sound leakage detection. A plurality of circular rollers 256 are rotatably connected to one side of the abutment plate 251. The circular rollers 256 are arranged on the side of the abutment plate 251 away from the limiting frame 24. By providing the circular roller 256 , the abutting friction between the abutting plate 251 and the conical ring block 255 can be reduced, making it easier to abut and push them. The inflation mechanism 27 includes an air box 271, wherein the inner wall of the air box 271 is fixedly mounted on the outer surface of the circular frame 23, and one side is fixedly connected to one end of the rubber airbag 26, and a plurality of through holes 275 are opened on one side of the inner wall of the air box 271, wherein the through holes 275 connect the inner wall of the air box 271 with the inner wall of the rubber airbag 26 to form a closed space; a push rack 272, wherein several ends of the push rack 272 are all installed on one side of the air box 271 and extend into the inner wall; a piston plate 273, wherein the outer surface of the piston plate 273 is slidably connected to the inner wall of the air box 271, and one side is fixedly connected to one side of the push rack 272; a plurality of third springs 274, wherein the plurality of third springs 274 are respectively mounted on the outer surfaces of several ends of the push rack 272, and the two ends are respectively fixedly mounted on one side of the inner wall of the air box 271 and one side of the piston plate 273.By setting up an inflation mechanism 27 and then placing the limiting frame 24 and the rubber airbag 26 against the surface of the object to be detected, the push frame 272 can be pressed to drive the piston plate 273 to slide to one end in the inner wall of the air box 271, so that its third spring 274 is stretched. The piston plate 273 squeezes the air inside the air box 271 into the airbag through the through hole 275, causing it to expand, thereby making the fitting part fit more tightly, improving the sound insulation effect, and adapting to different usage scenarios.

[0040] Figure 2-9 The detachable device 3 shown includes a U-shaped block 31, with both ends of the U-shaped block 31 fixedly mounted on the outer surface of the sensor 5. A threaded hole 32 is defined on one side of the inner wall of the U-shaped block 31; a screw hole block 33, with one end of the screw hole block 33 fixedly mounted on one side of the curved frame 21 and inserted into the inner wall of the U-shaped block 31; and a bolt 34, with one end of the bolt 34 threadedly inserted into the inner walls of the screw hole block 33 and the threaded hole 32. By providing the detachable device 3, when the sound insulation device 2 needs to be replaced, the bolt 34 can be manually screwed out of the threaded hole 32 and the inner wall of the screw hole block 33. Then, by pulling the curved frame 21 downward, the screw hole block 33 can be removed from the inner wall of the U-shaped block 31, thereby removing it from the sensor 5 and facilitating replacement. A connecting rope 35 is fixedly mounted on one end of the bolt 34, with one end of the connecting rope 35 fixedly mounted on one side of the curved frame 21. By providing the connecting rope 35 , the bolt 34 can be limited on the arc frame 21 so that it is not easy to be lost after being pulled out from the threaded hole 32 and the inner wall of the screw hole block 33 .

[0041] Figure 10 The leak detector body 1 shown is internally provided with a control module, a sensor 5 is electrically connected to the control module via a wire 4, and a speaker 7 and a knob block 6 are also electrically connected to the control module. During detection, the knob block 6 can be operated to upload a command to the control module for analysis. After analysis, a command is issued to activate the leak detector body 1 and the sensor 5. When the sensor 5 detects and receives an ultrasonic sound leakage signal, it transmits the signal via the wire 4 to the control module on the leak detector body 1 for analysis and storage, and then the speaker 7 issues an audible prompt.

[0042] Working principle: When using the leak detector body 1 to detect sound leakage on the water pipes inside the building, the wire 4 on one side of the sensor 5 can be inserted into the connecting hole of the leak detector body 1, and then the leak detector body 1 and the sensor 5 can be started by operating the knob block 6, and the sensor 5 can be placed and attached to the position to be detected. After receiving the ultrasonic leakage signal, the sensor 5 will transmit the signal to the leak detector body 1 through the wire 4, and then the speaker 7 will issue a sound prompt. When the sensor 5 is placed on the surface of the object to be detected, it will drive one side of several limiting frames 24 and the outer surface of the rubber airbag 26 to abut against the surface of the object. Then, according to the size of the range to be detected and the actual usage, the range enclosed by several limiting frames 24 can be adjusted through the adjustment mechanism 25, which will drive the rubber airbag 26 to be pulled apart to optimize the gathering effect and change the sound collection range. Then, the handheld sensor 5 At the same time, the inflation mechanism 27 can be pressed to inflate the interior of the rubber airbag 26, causing it to expand between the inner wall of the limiting frame 24 and several limiting frames 24, and tightly and completely covering the outer surface of the detection end of the sensor 5, thereby isolating the external sound, avoiding interference with the detection of the leakage signal, and improving the precision and accuracy of the leakage detection. When one side of the sensor 5 is pressed against the surface of the object to be detected, the distance between one end of the limiting frame 24 and one end of the sensor 5 after adjustment can be used. After being placed on the surface of the object, the limiting frame 24 and the circular frame 23 will be pushed to one end to move, driving the first spring 22 to contract. At the same time, the first spring 22 will provide a reset reverse thrust to the limiting frame 24 and the circular frame 23, so that the outer surface of one end of the limiting frame 24 and the rubber airbag 26 can be pressed against the surface of the object without hindering the detection of the sensor 5.

[0043] When the sound insulation device 2 needs to be replaced, the bolt 34 can be manually screwed out from the threaded hole 32 and the inner wall of the screw hole block 33, and then the arc frame 21 can be pulled downward to pull the screw hole block 33 out of the inner wall of the U-shaped block 31, and it can be removed from the sensor 5 for easy replacement.

[0044] With the above-described preferred embodiments of the present invention as a guide, and with reference to the above description, relevant personnel are fully capable of making various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the contents of the specification and must be determined according to the scope of the claims.

Claims

1. A highly sensitive intelligent leak detector, comprising a leak detector body (1), characterized in that: A knob block (6) is symmetrically mounted on one side of the main body (1) of the leak detector, a speaker (7) is provided on one side of the main body (1), a wire (4) is connected to the interface of the main body (1), a sensor (5) is fixedly mounted on one end of the wire (4), and a sound insulation device (2) is provided on the outer surface of the sensor (5), and the sound insulation device (2) fixes the rubber airbag (26) on the outer surface of one end of the sensor (5) through a limiting frame (24), so that the sound insulation device (2) can block external sounds during detection. The sound insulation device (2) comprises an arc frame (21), a plurality of limit frames (24) and a rubber airbag (26), wherein a detachable device (3) is provided between one side of the arc frame (21) and the outer surface of the sensor (5), a plurality of first springs (22) are fixedly installed on one side of the arc frame (21), and the rubber airbag (26) is provided in the inner wall of the plurality of limit frames (24); A circular frame (23), wherein one end of a plurality of first springs (22) is fixedly mounted on one side of the circular frame (23), and one end of the sensor (5) is inserted into the inner wall of the arc frame (21) and the circular frame (23); An adjusting mechanism (25), wherein the adjusting mechanism (25) is arranged between the plurality of limiting frames (24) and the circular frame (23), and is used to adjust the limiting frames (24) to change the blocking range; An inflation mechanism (27), wherein the inflation mechanism (27) is arranged between the rubber airbag (26) and the circular frame (23), and is used to inflate the interior of the rubber airbag (26) so that its outer surface is closely attached to an object during use; The adjustment mechanism (25) comprises a plurality of abutment plates (251), wherein one side of the plurality of abutment plates (251) is fixedly mounted on one side of the limiting frame (24); A plurality of telescopic rods (252), wherein both ends of the plurality of telescopic rods (252) are respectively fixedly mounted on one side of the plurality of limiting frames (24) and on the outer surface of the circular frame (23); A plurality of springs, wherein the inner walls of the plurality of springs are respectively sleeved on the outer surfaces of the plurality of telescopic rods (252), and the two ends are respectively fixedly mounted on one side of the plurality of limiting frames (24) and the outer surface of the circular frame (23); A threaded rod (254), wherein one end of the threaded rod (254) is spirally mounted on one side of the circular frame (23); A conical ring block (255), wherein the inner wall of the conical ring block (255) is sleeved on the outer surface of the sensor (5), and one side is rotatably connected to one end of the threaded rod (254), and one side of the conical ring block (255) abuts against one side of the abutment plate (251).

2. The highly sensitive intelligent leak detector according to claim 1, characterized in that: One side of the abutment plate (251) is rotatably connected to a plurality of round rollers (256), and the round rollers (256) are arranged on a side of the abutment plate (251) away from the limiting frame (24).

3. The highly sensitive intelligent leak detector according to claim 1, characterized in that: The inflation mechanism (27) includes an air box (271), wherein the inner wall of the air box (271) is fixedly mounted on the outer surface of the circular frame (23), and one side is fixedly connected to one end of the rubber air bag (26), and a plurality of through holes (275) are opened on one side of the inner wall of the air box (271), wherein the through holes (275) connect the inner wall of the air box (271) with the inner wall of the rubber air bag (26) to form a closed space; A push rack (272), wherein a plurality of ends of the push rack (272) are installed on one side of the air box (271) and extend into the inner wall; a piston plate (273), wherein an outer surface of the piston plate (273) is slidably connected to an inner wall of the air box (271), and one side of the piston plate (273) is fixedly connected to one side of the push frame (272); A plurality of third springs (274), wherein the plurality of third springs (274) are respectively sleeved on the outer surfaces of the plurality of ends of the push frame (272), and the two ends are respectively fixedly mounted on one side of the inner wall of the air box (271) and one side of the piston plate (273).

4. The highly sensitive intelligent leak detector according to claim 1, characterized in that: The detachable device (3) comprises a U-shaped block (31), wherein both ends of the U-shaped block (31) are fixedly mounted on the outer surface of the sensor (5), and a threaded hole (32) is provided on one side of the inner wall of the U-shaped block (31).

5. The highly sensitive intelligent leak detector according to claim 4, characterized in that: It comprises a screw hole block (33), wherein one side of the screw hole block (33) is fixedly mounted on one side of the arc-shaped frame (21), and one end is inserted into the inner wall of the U-shaped block (31).

6. The high-sensitivity intelligent leak detector according to claim 5, characterized in that: It comprises a bolt (34), wherein one end of the bolt (34) is spirally inserted into the inner wall of the screw hole block (33) and the threaded hole (32).

7. The high-sensitivity intelligent leak detector according to claim 6, characterized in that: A connecting rope (35) is fixedly mounted on one end of the bolt (34), and one end of the connecting rope (35) is fixedly mounted on one side of the arc-shaped frame (21).

8. The high-sensitivity intelligent leak detector according to claim 1, characterized in that: A control module is provided inside the leak detector body (1); the sensor (5) is electrically connected to the control module via a wire (4); and the speaker (7) and the knob block (6) are both electrically connected to the control module.

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