Intelligent detection device for air tightness of air compressor
By designing an intelligent detection device, the air compressor's air tightness is automatically detected and an alarm is triggered. Combined with a lifting mechanism to locate the leak, this solves the shortcomings of manual detection in existing technologies and achieves efficient and accurate air tightness detection.
Patent Information
- Application Number
- CN202520563801.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing air compressor air tightness testing equipment requires manual observation of the pressure gauge, cannot automatically alarm, and cannot accurately locate the leak.
An intelligent detection device was designed, comprising an air pump, a pressure measuring instrument, a lifting mechanism, and an alarm. It automatically detects pressure changes and triggers an alarm, and uses a transparent water tank to locate the leak.
It enables automatic detection of air tightness, improves reading accuracy, and can promptly alarm and accurately locate leaks, thereby enhancing detection efficiency and accuracy.
Smart Images

Figure CN223955103U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to airtightness detection technical field, more particularly to air compressor airtightness intelligent detection device. BACKGROUND
[0002] Air compressor is a kind of equipment by using electric power or internal combustion engine to compress air to higher than atmospheric pressure, commonly used to provide compressed air to various pneumatic tools, paint gun, inflator etc., it has wide application in industrial production, including but not limited to manufacturing industry, construction industry and automobile maintenance industry, air compressor production needs to guarantee the airtightness of each component, especially gas tank, gas tank as indispensable part in air compressor, its airtightness is very important, so after production is completed, it needs to utilize airtightness detection device to detect.
[0003] The existing mode generally utilizes inflating equipment to inflate the inside of gas tank, after inflation, pressure is maintained for a period of time, during the process of pressure maintaining, the reading of pressure gauge is observed, if the reading appears to drop, then the surface airtightness of gas tank is not good, however, the existing detection equipment needs manual observation of pressure gauge reading, cannot directly detect alarm, practicality is poor, and the existing detection equipment cannot accurately position the air leakage position after detecting air leakage. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving above -mentioned problem and provides an air compressor airtightness intelligent detection device with simple structure and reasonable design.
[0005] The utility model realizes the above-mentioned purpose by the following technical scheme:
[0006] Air compressor airtightness intelligent detection device, including workbench, the center of workbench top is equipped with through -hole, and the edge of through -hole is fixedly installed with transparent water tank at workbench bottom, and the lifting mechanism is arranged on the top of workbench;
[0007] The right side of workbench bottom is fixedly installed with air pump, and the output end of air pump is fixedly installed with gas pipe, and one end away from air pump of gas pipe is installed with one -way communication valve, and the pressure gauge is fixedly installed on one -way communication valve, and the left end of one -way communication valve is connected with gas tank through one stainless steel corrugated expansion pipe, and the left end of gas tank is fixedly installed with two stainless steel corrugated expansion pipes, and the left end of two stainless steel corrugated expansion pipes is fixedly installed with two -way communication valve, and the pressure measuring instrument is fixedly installed on two -way communication valve, and the left end of two -way communication valve is fixedly installed with plug.
[0008] Preferably, one support leg is fixedly installed at the four corners of the bottom of the workbench, a stand is fixedly installed at the left front side of the top of the workbench, and a controller is fixedly installed at the top of the stand.
[0009] Preferably, the controller top is provided with an alarm, and a data line is connected between the pressure gauge and the controller.
[0010] Preferably, the lifting mechanism comprises four No. 2 supporting legs fixedly connected to the top of the workbench and arranged in a rectangular shape, and an installation frame fixedly installed on the top of the four No. 2 supporting legs.
[0011] Preferably, a servo motor is fixedly installed on the right rear side of the installation frame, the output end of the servo motor is fixedly connected to the right end of the rear installation shaft, and two straight gears are fixedly sleeved on the left end of the two installation shafts.
[0012] Preferably, two wire winding wheels are fixedly sleeved on the left and right sides of the two installation shafts, steel ropes are sleeved on the four wire winding wheels, a fixing ring is fixedly installed on the bottom of the steel rope, a fixing lug is fixedly sleeved on the fixing ring, a lifting plate is fixedly connected between the four fixing lugs, two mounting seats are fixedly installed on the top of the lifting plate, and a gas tank is placed on the top of the two mounting seats.
[0013] The utility model discloses the beneficial effect lies in: the utility model discloses utilize the air pump to the inside of gas tank inflation, and the inflation reaches specified air pressure, and closes no. 1 communication valve and no. 2 communication valve, and the pressure of gas tank inside is kept from changing, and the reading change of pressure gauge and pressure measuring instrument is observed at this moment, obtains whether the gas tank gas tightness has the problem, and the reading of both sides is mutually confirmed, and the accuracy of reading is promoted, and when leaking, the alarm timely alarms, and reminds the staff, and when detecting leakage, the lifting mechanism reduces the air pressure to the water tank filled with water, and the position of air bubble spout is used to position the position of leakage, and it is favorable to direct positioning the position of air leakage. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structure perspective drawing of the utility model;
[0015] Figure 2 It is the overall structure front view of the utility model;
[0016] Figure 3 It is the lifting mechanism perspective drawing of the utility model.
[0017] In the figure: 1, workbench; 2, No. 1 stainless steel corrugated expansion pipe; 3, through hole; 4, lifting mechanism; 40, mounting shaft; 41, servo motor; 42, mounting frame; 43, winding wheel; 44, steel rope; 45, straight gear; 46, mounting seat; 47, lifting plate; 48, fixed ring; 49, fixed lug block; 5, alarm; 6, controller; 7, stand; 8, transparent water tank; 9, air pump; 10, gas conveying pipe; 11, No. 1 communication valve; 12, No. 1 supporting leg; 13, pressure gauge; 14, pressure measuring instrument; 15, No. 2 communication valve; 16, No. 2 stainless steel corrugated expansion pipe. DETAILED DESCRIPTION
[0018] The specific embodiments below are further described in conjunction with the accompanying drawings, it is necessary to point out here that the following specific embodiments are only used to further illustrate the application, and cannot be understood as limiting the scope of protection of the application, and those skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.
[0019] EMBODIMENT
[0020] Please refer to Figure 1 and Figure 2 , air compressor air tightness intelligent detection device, including workbench 1, workbench 1 top center opening has through hole 3, and the bottom of workbench 1 is located at the edge of through hole 3 and is fixedly installed with transparent water tank 8, workbench 1 top is provided with lifting mechanism 4, workbench 1 bottom right side is fixedly installed with air pump 9, air pump 9 output end is fixedly installed with gas conveying pipe 10, gas conveying pipe 10 away from air pump 9 one end is installed with No. 1 communication valve 11, No. 1 communication valve 11 is fixedly installed with pressure gauge 13, No. 1 communication valve 11 left end is connected with gas tank through No. 1 stainless steel corrugated expansion pipe 2, and the gas tank left end is fixedly installed with No. 2 stainless steel corrugated expansion pipe 16, No. 2 stainless steel corrugated expansion pipe 16 left end is fixedly installed with No. 2 communication valve 15, No. 2 communication valve 15 is fixedly installed with pressure measuring instrument 14, No. 2 communication valve 15 left end is fixedly installed with plug, workbench 1 bottom four corners are respectively fixedly installed with No. 1 supporting leg 12, workbench 1 top left side is fixedly installed with stand 7, stand 7 top is fixedly installed with controller 6, controller 6 top is installed with alarm 5, and pressure measuring instrument 14 and controller 6 are connected with data line.
[0021] In use, first, the gas tank to be measured is connected between the first stainless steel corrugated expansion pipe 2 and the second stainless steel corrugated expansion pipe 16 through the joint, then the gas tank to be measured is placed on the lifting mechanism 4, the air pump 9 is started, the air pump 9 delivers external air into the first communication valve 11 through the gas conveying pipe 10, then the air is delivered into the interior of the gas tank to be measured through the first stainless steel corrugated expansion pipe 2, continuous pressurization is performed to ensure that the internal pressure of the gas tank to be measured reaches a specified value, at this time, the first communication valve 11 and the second communication valve 15 are closed, and then the air pump 9 is closed, the pressure is maintained for a period of time, at this time, whether the reading of the pressure gauge 13 changes is observed, and the data measured by the pressure measuring instrument 14 and transmitted to the controller 6 is observed, the two data are verified with each other, the measurement accuracy is improved, when the values of the pressure measuring instrument 14 and the reading of the pressure gauge 13 are unchanged, it indicates that the gas tank has good airtightness, when the values of the pressure measuring instrument 14 and the reading of the pressure gauge 13 decrease, it indicates that the gas tank leaks.
[0022] Please refer to Figure 2 and Figure 3 , the lifting mechanism 4 includes four second support legs distributed in a rectangular shape and fixedly connected to the top of the workbench 1, a mounting frame 42 is fixedly installed at the top of the four second support legs, two mounting shafts 40 are rotatably penetrated through the mounting frame 42 in a front-rear symmetrical manner, a servo motor 41 is fixedly installed at the right rear side of the mounting frame 42, the output end of the servo motor 41 is fixedly connected to the right end of the mounting shaft 40 located at the rear side, two straight gears 45 are fixedly sleeved to the left end of the two mounting shafts 40, and the two straight gears 45 are in mesh with each other.
[0023] Please refer to Figure 2 and Figure 3 , two wire winding wheels 43 are fixedly sleeved to the two mounting shafts 40 in a left-right symmetrical manner, a steel cord 44 is sleeved to each of the four wire winding wheels 43, a fixed ring 48 is fixedly installed at the bottom of the steel cord 44, a fixed lug 49 is fixedly sleeved to the fixed ring 48, a lifting plate 47 is fixedly connected between the four fixed lugs 49, two mounting seats 46 are fixedly installed at the top of the lifting plate 47 in a left-right symmetrical manner, and a gas tank is placed at the top of the two mounting seats 46.
[0024] When the air tightness of the gas tank is detected to be problematic, the servo motor 41 is started at this time, the servo motor 41 output end drives the rear mounted shaft 40 and the straight gear 45 on it to rotate, since the two straight gears 45 are engaged, the rotating directions of the two straight gears 45 are opposite, the two mounted shafts 40 and the winding wheels 43 on them are driven to rotate in opposite directions, thereby the steel rope 44 is lowered, the fixed ring 48 and the fixed lug 49 on it are driven to move downward, the mounting seat 46 on the lifting plate 47 is driven to move downward, then the gas tank to be detected is driven to move downward until the gas tank to be detected is completely immersed in the water in the transparent water tank 8, the position of the bubble out of the gas tank to be detected is observed, the position of the air leakage is directly judged, the first stainless steel corrugated telescopic pipe 2 and the second stainless steel corrugated telescopic pipe 16 are telescopic, the smooth lowering of the gas tank to be detected is ensured, after the position of the air leakage is detected, the servo motor 41 drives the gas tank to be detected to rise, different gas tanks are replaced, and the above operation is repeated for detection.
[0025] It should be noted that, when the air compressor air tightness intelligent detection device is used, firstly, the first stainless steel corrugated telescopic pipe 2 and the second stainless steel corrugated telescopic pipe 16 are connected to the gas tank to be detected through the joint, then the gas tank to be detected is placed on the mounting seat 46, at this time, the air pump 9 is started, the inside of the gas tank to be detected is inflated by the air pump 9, after the inflation is completed, the pressure is maintained for a period of time, the value of the pressure measuring instrument 14 and the reading of the pressure gauge 13 are observed, if the reading is unchanged, it indicates that the air tightness is good, if the reading is changed, it indicates that the gas tank leaks, when the gas tank leaks, the gas tank is lowered into the transparent water tank 8 by the lifting mechanism 4, the position of the bubble out of the gas tank is observed through the transparent water tank 8, the position of the air leakage is located, after the detection is completed, the gas tank is raised, the gas tank is disconnected, and then the above detection operation is repeated.
[0026] The above-described embodiments only express several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be noted that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.
Claims
1. An intelligent air tightness detection device for air compressors, comprising a workbench (1), characterized in that: The workbench (1) has a through hole (3) at the top center, and a transparent water tank (8) is fixedly installed at the bottom of the workbench (1) at the edge of the through hole (3). A lifting mechanism (4) is provided on the top of the workbench (1). An air pump (9) is fixedly installed on the bottom right side of the workbench (1). An air supply pipe (10) is fixedly installed at the output end of the air pump (9). A first connecting valve (11) is installed at the end of the air supply pipe (10) away from the air pump (9). A pressure gauge (13) is fixedly installed on the first connecting valve (11). An air tank is connected to the left end of the first connecting valve (11) through a first stainless steel corrugated telescopic pipe (2). A second stainless steel corrugated telescopic pipe (16) is fixedly installed on the left end of the air tank. A second connecting valve (15) is fixedly installed on the left end of the second stainless steel corrugated telescopic pipe (16). A pressure measuring instrument (14) is fixedly installed on the second connecting valve (15). A plug is fixedly installed on the left end of the second connecting valve (15).
2. The intelligent air tightness detection device for air compressors according to claim 1, characterized in that: The workbench (1) has four support legs (12) fixedly installed at the bottom corners, and a column (7) fixedly installed on the top left front side of the workbench (1). A controller (6) is fixedly installed on the top of the column (7).
3. The intelligent air tightness detection device for air compressors according to claim 2, characterized in that: An alarm (5) is installed on the top of the controller (6), and a data cable is connected between the pressure measuring instrument (14) and the controller (6).
4. The intelligent air tightness detection device for air compressors according to claim 1, characterized in that: The lifting mechanism (4) includes four rectangular support legs fixedly connected to the top of the workbench (1). The top of the four support legs is fixedly mounted with a mounting frame (42). The mounting frame (42) rotates symmetrically through two mounting shafts (40).
5. The intelligent air tightness detection device for air compressors according to claim 4, characterized in that: A servo motor (41) is fixedly installed on the right rear side of the mounting frame (42). The output end of the servo motor (41) is fixedly connected to the right end of the mounting shaft (40) located on the rear side. The left ends of the two mounting shafts (40) rotate through the left side of the mounting frame (42) and are fixedly sleeved with spur gears (45). The two spur gears (45) mesh with each other.
6. The intelligent air tightness detection device for air compressors according to claim 4, characterized in that: Two winding wheels (43) are fixedly sleeved on each of the two mounting shafts (40) symmetrically. Steel ropes (44) are sleeved on each of the four winding wheels (43). A fixing ring (48) is fixedly installed at the bottom of the steel rope (44). A fixing lug (49) is sleeved and fixed on the fixing ring (48). A lifting plate (47) is fixedly connected between the four fixing lugs (49). Two mounting seats (46) are fixedly installed on the top of the lifting plate (47) symmetrically. A gas cylinder is placed on the top of the two mounting seats (46).