Ammeter sealing performance detection device and method

Abstract

The invention discloses an electric meter sealing performance detection device and method, and belongs to the technical field of electric meter detection. An electricity meter sealing performance detection device comprises a base and further comprises a barrel body which is fixedly connected to the base, a lifting device is fixedly installed at the top of the base through a support, and a sealing cover facing the upper end opening of the barrel body is fixedly installed at the telescopic end of the lifting device; the pump body is fixedly installed on the support, the output end of the pump body is fixedly connected with a pressure pipe extending into the barrel body, and a pressure detector is fixedly installed on the barrel body; the disc is arranged in the barrel body, a clamp is arranged on the disc, and a driving part for driving the disc to rotate and a lifting part for driving the disc to move up and down are arranged at the bottom of the barrel body; according to the invention, the ammeter can simulate the dynamic working state of up-down swinging, and the precision of ammeter sealing detection is significantly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric meter detection, and in particular to an electric meter sealing detection device and method. Background Art

[0002] An electric meter is an instrument used to measure electrical energy. It is also called an electric meter, a fire meter, an electric energy meter, or a kilowatt-hour meter. It refers to an instrument that measures various electrical quantities. In the production of electric meters, in order to ensure the requirements during the use of the meters, it is necessary to conduct sealing tests on the meters by random inspections to ensure that the meters have good moisture and humidity resistance in outdoor environments.

[0003] In the prior art, when the electric meter is tested for sealing, the electric meter is placed in a cavity, and then the electric meter air tightness tester uses a pressure controller to control the pressure to accurately compress air into the cavity, and then automatically cut off the inflation gas source. The pressure value is then read by a high-precision pressure sensor in the electric meter air tightness tester. When the leakage value is within the specified range, the product has no leakage, and when the leakage value exceeds the specified range, the product has leakage.

[0004] In actual use, the environment in which the electric meter is used is relatively complex. For example, the electric meter installed on mobile equipment (ships, large lifting equipment, etc.) may often be subject to shaking and vibration, which may weaken or even fail the sealing of the electric meter. Therefore, the accuracy of the detection method in the prior art is difficult to guarantee. Summary of the invention

[0005] The purpose of the present invention is to solve the problem in the prior art that it is difficult to ensure the detection accuracy of the electric meter sealing detection method, and to propose an electric meter sealing detection device and method.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An electric meter sealing detection device comprises a base, and also includes: a barrel body fixedly connected to the base, wherein a lifting device is fixedly installed on the top of the base through a bracket, and a sealing cover facing the upper port of the barrel body is fixedly installed on the telescopic end of the lifting device; a pump body fixedly installed on the bracket, wherein the output end of the pump body is fixedly connected to a pressure pipe extending into the barrel body, and a pressure detector is fixedly installed on the barrel body; a disc arranged in the barrel body, wherein a clamp is provided on the disc, and a driving part for driving the disc to rotate and a lifting part for driving the disc to move up and down are provided at the bottom of the barrel body.

[0008] In order to enable the disc to rotate continuously, preferably, the driving part includes a driving shaft rotatably connected to the bottom of the barrel body, the disc is mounted on the driving shaft, a driving motor is fixedly mounted on the lower end of the barrel body, a driving gear is fixedly mounted on the output shaft of the driving motor, and a driven gear meshing with the driving gear is fixedly mounted on the lower end of the driving shaft.

[0009] In order to enable the disc to be lifted and reciprocated up and down, the lifting part further includes a reciprocating screw rotatably connected to the bottom of the barrel body, the upper end of the driving shaft is fixedly connected to a sliding rod, the bottom of the disc is fixedly connected to a sleeve, the sleeve is longitudinally sleeved on the upper end outer wall of the sliding rod, a lifting plate is installed on the outer wall of the reciprocating screw, the sleeve is rotatably connected to the lifting plate, and the reciprocating screw and the driving shaft are connected by two mutually meshing transmission gears.

[0010] In order to allow the electric meter to heat up and cool down quickly, further, the two sides of the barrel body are fixedly connected with an air inlet pipe and an exhaust pipe, fans with consistent wind directions are installed in the air inlet pipe and the exhaust pipe, a temperature variable device is fixedly installed in the air inlet pipe, and a U-shaped pipe is connected between the ends of the air inlet pipe and the exhaust pipe.

[0011] In order to facilitate the search for the leakage point of the electric meter, further, the outer wall of the barrel body is fixedly connected to a liquid storage tank, and a nozzle and a camera device are fixedly installed on both sides of the inner wall of the barrel body, and a nozzle facing the axis of the barrel body is fixedly installed on the nozzle. The nozzle is fixedly connected to an infusion tube extending into the liquid storage tank, and an electromagnetic valve is fixedly installed in the infusion tube.

[0012] In order to facilitate the pressurization of the liquid storage tank, further, the lower end of the drive shaft is fixedly connected with an intake pipe extending into the sleeve, and the lower end of the drive shaft is rotatably connected with an exhaust pipe extending into the sleeve, the end of the exhaust pipe extends into the liquid storage tank, and a one-way valve is fixedly installed in both the intake pipe and the exhaust pipe.

[0013] In order to facilitate drying of the electric meter, further, a telescopic device is fixedly installed on the bracket, the U-shaped tube is fixedly installed on the telescopic end of the telescopic device, the ends of the air inlet pipe and the exhaust pipe are fixedly connected with sealing plates, and the two ends of the U-shaped tube are respectively pressed against the outer walls of the two sealing plates.

[0014] In order to make the up and down swing of the electric meter more obvious, preferably, a vertical rod is longitudinally slidably installed on the disk, the top of the vertical rod is fixedly connected to a support plate, the lower end of the vertical rod is fixedly connected to a limit plate, and a spring is installed between the limit plate and the bottom of the disk.

[0015] In order to facilitate fixing the electric meter on the disc, the clamp further includes an internal threaded hole arranged on the upper end of the supporting plate, the internal threaded hole is threadedly connected with a stud, and a disc-shaped pressure plate is fixedly connected to the stud.

[0016] A method for detecting the sealing performance of an electric meter, the operating steps are as follows:

[0017] Step 1: Fix the meter to the disc;

[0018] Step 2: Cover the sealing cover on the upper port of the barrel;

[0019] Step 3: Make the disc rotate continuously and move up and down;

[0020] Step 4: Create negative pressure in the barrel;

[0021] Step 5: Use a pressure detector to detect the pressure value in the barrel. When the pressure data changes beyond the specified range, it means that the meter is poorly sealed, otherwise it means that the meter is highly sealed.

[0022] Compared with the prior art, the present invention provides an electric meter sealing detection device, which has the following beneficial effects:

[0023] 1. The electric meter sealing detection device drives the driving shaft to rotate through the driving motor, and the sleeve drives the top disc to rotate, and the disc drives the electric meter to rotate, so that the electric meter is in motion, ensuring the detection accuracy.

[0024] 2. The meter sealing detection device drives the lifting plate to move up and down by a reciprocating screw. The sleeve drives the meter to rotate through the disc and moves up and down at the same time, so that the meter simulates a dynamic working state of up and down swinging, further improving the accuracy of the meter sealing detection.

[0025] 3. The meter sealing detection device starts the fan and the temperature-changing device, so that the air in the barrel will continuously circulate periodically into the U-shaped tube, the air inlet pipe and the exhaust pipe, and the temperature of the meter will be increased, so that the meter can be tested for sealing in a high temperature environment, further improving the detection accuracy.

[0026] 4. The electric meter sealing detection device opens the solenoid valve in the infusion tube, and the nozzle will spray bubble water onto the rotating and up-and-down electric meter. The rotating and up-and-down electric meter will evenly spray the bubble water on the electric meter. When obvious bubbles appear on the electric meter, they will be recorded by the camera equipment, which will facilitate the subsequent repair of the leak.

[0027] 5. The electric meter sealing detection device drives the U-shaped tube away from the ports of the air inlet pipe and the exhaust pipe through the telescopic device, and then starts the fan and the temperature variable device to make the temperature variable device heat the air, thereby completing the rapid drying of the electric meter, preventing the electric meter from being damaged by the bubble water soaking for a long time, and facilitating the subsequent repair of the electric meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the first-view axonometric structure of an electric meter sealing detection device proposed by the present invention;

[0029] Figure 2 This is a schematic diagram of the isometric structure from a second viewing angle of an electric meter sealing detection device proposed by the present invention;

[0030] Figure 3 A schematic diagram of a partial axonometric structure of an electric meter sealing detection device proposed by the present invention;

[0031] Figure 4 This is a schematic diagram of the isometric structure of the barrel of an electric meter sealing detection device proposed by the present invention;

[0032] Figure 5 This is a schematic diagram of the cross-section axonometric structure of a barrel of an electric meter sealing detection device proposed by the present invention;

[0033] Figure 6 A schematic diagram of the disc axonometric structure of an electric meter sealing detection device proposed by the present invention;

[0034] Figure 7 This is a schematic diagram of the axonometric structure of a driving shaft of an electric meter sealing detection device proposed by the present invention;

[0035] Figure 8 The present invention is a schematic diagram of the isometric structure of a support plate of an electric meter sealing detection device proposed in the present invention.

[0036] In the figure: 1. base; 2. bracket; 3. barrel; 4. lifting device; 5. sealing cover; 6. pump body; 7. pressure pipe; 8. pressure detector; 9. disc; 10. driving shaft; 11. driven gear; 12. driving motor; 13. driving gear; 14. sliding rod; 15. sleeve; 16. reciprocating screw; 17. transmission gear; 18. lifting plate; 19. supporting plate; 20. vertical rod; 21. limit plate; 22. spring; 23. internal threaded hole; 24. stud; 25. air inlet pipe; 26. exhaust pipe; 27. fan; 28. temperature changing device; 29. ​​U-shaped pipe; 30. sealing plate; 31. telescopic device; 32. liquid storage tank; 33. nozzle; 34. nozzle; 35. infusion tube; 36. camera equipment; 37. exhaust pipe; 38. suction pipe. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] Embodiment 1:

[0040] Reference Figure 1-Figure 8 , a meter sealing detection device, comprising a base 1, and also comprising: a barrel body 3 with an open upper end, fixedly connected to the base 1, wherein a lifting device 4 is fixedly installed on the top of the base 1 through a bracket 2, and the lifting device 4 is an electric telescopic rod or a cylinder, and a sealing cover 5 facing the upper end of the barrel body 3 is fixedly installed on the telescopic end of the lifting device 4, and the sealing cover 5 is used to block the upper end of the barrel body 3; a pump body 6 fixedly installed on the bracket 2, the pump body 6 generates negative pressure or positive pressure in the barrel body 3, and the pump body 6 can adopt a negative pressure pump, wherein the output end of the pump body 6 is fixedly connected to a pressure pipe 7 extending into the barrel body 3, and a pressure detector 8 for detecting the pressure in the barrel body 3 is fixedly installed on the barrel body 3, and the pressure detector 8 can be a digital barometer or a liquid-free barometer, etc.; a disc 9 arranged in the barrel body 3, wherein a clamp is provided on the disc 9, and a driving part for driving the disc 9 to rotate and a lifting part for driving the disc 9 to move up and down are provided at the bottom of the barrel body 3.

[0041] Specifically, when in use, the electric meter is fixed to the disc 9 by a clamp, and then the sealing cover 5 is driven by the lifting device 4 to cover the upper port of the barrel body 3, and then the pump body 6 is started. The pump body 6 will suck air into the sealed barrel body 3 through the pressure tube 7 to form a negative pressure state in the barrel body 3. At this time, the pressure value in the barrel body 3 can be detected by the pressure detector 8. When the pressure data continues to change and the change exceeds the specified range, it means that the electric meter has poor sealing. Otherwise, it means that the electric meter has high sealing. During the detection process, the electric meter is driven to rotate by the driving part and the lifting part while being lifted up and down, so that the electric meter simulates a dynamic working state of up and down swinging, thereby further improving the accuracy of the electric meter sealing detection.

[0042] A vertical rod 20 is longitudinally slidably installed on the above-mentioned disc 9, and a support plate 19 is fixedly connected to the top of the vertical rod 20. There are at least two support plates 19, which are used to respectively fix the two hanging ears of the electric meter, and a clamp is set on the support plate 19. The lower end of the vertical rod 20 is fixedly connected to a limit plate 21, and a spring 22 is installed between the limit plate 21 and the bottom of the disc 9.

[0043] Specifically, when in use, the electric meter is fixed to the support plate 19. When the electric meter on the disc 9 is driven to move up and down, the support plate 19 will drive the vertical rod 20 to shake up and down on the disc 9, thereby making the shaking effect of the electric meter more obvious.

[0044] The above-mentioned clamp includes an internal threaded hole 23 arranged at the upper end of the support plate 19, and the internal threaded hole 23 is connected to a stud 24 through the internal thread. A disc-shaped pressure plate is fixedly connected to the stud 24, and the lower end surface of the disc-shaped pressure plate is provided with anti-slip grooves for improving friction. When the electric meter needs to be fixed, the electric meter is placed on the disc 9, and the hanging ear of the electric meter is placed on the support plate 19, and then the stud 24 is rotated to press the disc-shaped pressure plate against the hanging ear of the electric meter, and the fixing work of the electric meter can be quickly completed.

[0045] Embodiment 2:

[0046] Reference Figure 3 as well as Figure 5-Figure 7 , which is basically the same as the first embodiment, and further discloses a specific implementation plan of the driving part and the lifting part.

[0047] The above-mentioned driving part includes a driving shaft 10 rotatably connected to the bottom of the barrel body 3, the disc 9 is installed on the driving shaft 10, and a driving motor 12 is fixedly installed at the lower end of the barrel body 3. The driving motor 12 is a servo motor with adjustable speed. A driving gear 13 is fixedly installed on the output shaft of the driving motor 12, and a driven gear 11 meshing with the driving gear 13 is fixedly installed at the lower end of the driving shaft 10.

[0048] During the detection, the drive motor 12 is started, and the drive motor 12 will drive the driven gear 11 to rotate through the driving gear 13, and the driven gear 11 will drive the drive shaft 10 to rotate, and the drive shaft 10 will drive the sleeve 15 to rotate through the slide rod 14, and the sleeve 15 will drive the top disk 9 to rotate, and the disk 9 will drive the electric meter to rotate, so that the electric meter is in motion, ensuring the accuracy of the detection.

[0049] The above-mentioned lifting part includes a reciprocating screw 16 rotatably connected to the bottom of the barrel body 3, the upper end of the driving shaft 10 is fixedly connected to the sliding rod 14, the bottom of the disc 9 is fixedly connected to the sleeve 15, the sleeve 15 is longitudinally sleeved on the upper end outer wall of the sliding rod 14, and the outer wall of the reciprocating screw 16 is installed with a lifting plate 18. When the reciprocating screw 16 continues to rotate, the lifting plate 18 can be lifted and lowered reciprocatingly along its outer wall. The sleeve 15 is rotatably connected to the lifting plate 18, and the reciprocating screw 16 is connected to the driving shaft 10 by two mutually meshing transmission gears 17, and the transmission gear 17 can be a bevel gear.

[0050] Specifically, when the drive shaft 10 rotates, the drive shaft 10 will also drive the reciprocating screw 16 to rotate through two mutually meshing transmission gears 17, and the reciprocating screw 16 will drive the lifting plate 18 to move up and down, and the lifting plate 18 will drive the sleeve 15 to move up and down on the outer wall of the slide rod 14, and the sleeve 15 will move up and down while driving the electric meter to rotate through the disc 9, so that the electric meter can simulate a dynamic working state of up and down swinging, further improving the accuracy of the meter sealing detection.

[0051] Embodiment three:

[0052] Reference Figure 1-Figure 5 , which is basically the same as the second embodiment, and further, a specific implementation plan for heating and cooling the electric meter is specifically added.

[0053] The two sides of the barrel body 3 are respectively fixedly connected with an air inlet duct 25 and an exhaust duct 26, which are symmetrically arranged on both sides of the barrel body 3. Fans 27 with consistent wind directions are installed in the air inlet duct 25 and the exhaust duct 26. A temperature variable device 28 for increasing or reducing the air temperature is fixedly installed in the air inlet duct 25. The temperature variable device 28 is an environmentally friendly air conditioner with an integrated heating element, and can also be a component composed of a semiconductor heating plate and a semiconductor plus cooling plate. A U-shaped tube 29 is connected between the ends of the air inlet duct 25 and the exhaust duct 26.

[0054] Before generating negative pressure in the barrel body 3, start the fan 27 and the temperature-changing device 28. The fan 27 will make the air inlet pipe 25 convey air into the barrel body 3, and the exhaust pipe 26 will convey air to the U-shaped tube 29, and the U-shaped tube 29 will convey air back to the air inlet pipe 25, so that the air in the barrel body 3 will continuously circulate periodically in the U-shaped tube 29, the air inlet pipe 25 and the exhaust pipe 26. When the airflow passes through the air inlet pipe 25, the temperature-changing device 28 can heat the air. After the heated air enters the barrel body 3, the electric meter will be heated, so that the electric meter can be tested for sealing in a high temperature environment, further improving the detection accuracy. When a low-temperature sealing test is required, the temperature-changing device 28 can be used to cool the air. During the heating and cooling period, the electric meter that rotates and swings up and down can be heated or cooled more efficiently, thereby improving the detection efficiency of the electric meter. In order to improve the detection accuracy, it is best to turn off or reduce the power used by the temperature-changing device 28 and the fan 27 during the detection process.

[0055] Embodiment 4:

[0056] Reference Figure 1-Figure 6 , which is basically the same as the third embodiment, and further, a specific implementation plan is specifically added to facilitate finding the leakage point of the electric meter.

[0057] The outer wall of the barrel body 3 is fixedly connected to a liquid storage tank 32 for storing bubble water, and a nozzle 33 and a camera device 36 are fixedly installed on both sides of the inner wall of the barrel body 3. The camera device 36 is used to record the appearance of the electric meter during detection. A nozzle 34 facing the axis of the barrel body 3 is fixedly installed on the nozzle 33, and a liquid infusion tube 35 extending into the liquid storage tank 32 is fixedly connected to the nozzle 33, and a solenoid valve is fixedly installed in the liquid infusion tube 35.

[0058] Before the test, the solenoid valve in the infusion tube 35 is opened, so that the bubble water in the liquid storage tank 32 will enter the nozzle 33 through the infusion tube 35, and the nozzle 33 will spray the bubble water onto the rotating and up-and-down electric meter. The rotating and up-and-down electric meter will evenly spray the bubble water on the electric meter. Therefore, after the barrel body 3 is under negative pressure, if there is an obvious air leakage on the electric meter, the bubble water will produce a large number of bubbles, which will be recorded by the camera equipment 36 to facilitate the subsequent repair of the leakage.

[0059] In order to prevent the bubble water from evaporating and gasifying in a high temperature environment, when it is necessary to find the leakage point of the electric meter, it is necessary to cool down the electric meter and the air in the barrel 3 in advance. That is to say, the detection in a high temperature environment and the detection of the leakage point with bubble water cannot be carried out at the same time.

[0060] The lower end of the drive shaft 10 is fixedly connected with an air intake pipe 38 extending into the sleeve 15, and the lower end of the drive shaft 10 is rotatably connected with an exhaust pipe 37 extending into the sleeve 15, the end of the exhaust pipe 37 extends into the liquid storage tank 32, and both the air intake pipe 38 and the exhaust pipe 37 are fixedly installed with a one-way valve.

[0061] When the sleeve 15 is raised and lowered, negative pressure and positive pressure are indirectly generated in the sleeve 15. When negative pressure is generated, air is sucked in through the suction pipe 38. When positive pressure is generated, air is transported to the liquid storage tank 32 through the exhaust pipe 37. Positive pressure is generated in the liquid storage tank 32, thereby facilitating the transportation of the bubble water in the liquid storage tank 32 to the nozzle 33.

[0062] A telescopic device 31 is fixedly installed on the above-mentioned bracket 2. The telescopic device 31 is an electric telescopic rod. The U-shaped tube 29 is fixedly installed at the telescopic end of the telescopic device 31. The ends of the air inlet pipe 25 and the exhaust pipe 26 are fixedly connected with sealing plates 30. The two ends of the U-shaped tube 29 are respectively pressed against the outer walls of the two sealing plates 30, and the two ends of the U-shaped tube 29 are installed with sealing rings to improve the sealing performance.

[0063] After the test is completed, the U-shaped tube 29 is driven away from the ports of the air inlet pipe 25 and the exhaust pipe 26 through the telescopic device 31, and then the fan 27 and the temperature variable device 28 are started to make the temperature variable device 28 heat the air. Then the air inlet pipe 25 will blow the hot air onto the rotating and up and down electric meter, and discharge it from the exhaust pipe 26, thereby completing the rapid drying of the electric meter, preventing the electric meter from being damaged by the bubble water soaking for a long time, and facilitating the subsequent repair work of the electric meter. When the U-shaped tube 29 moves horizontally, it will always be attached to the sealing plate 30.

[0064] A method for detecting the sealing performance of an electric meter, the operating steps are as follows:

[0065] Step 1: Fix the electric meter to the disc 9;

[0066] Step 2: Cover the sealing cover 5 on the upper end of the barrel body 3;

[0067] Step 3: Make the disc 9 rotate continuously and rise and fall;

[0068] Step 4: Generate negative pressure in the barrel 3;

[0069] Step 5: The pressure value in the barrel 3 is detected by the pressure detector 8. When the pressure data changes beyond the specified range, it means that the sealing of the meter is poor, otherwise it means that the sealing of the meter is high.

[0070] When using the electric meter sealing detection device, the electric meter is placed on the disc 9, and the hanging ear of the electric meter is placed on the supporting plate 19, and then the stud 24 is rotated to press the disc-shaped pressure plate on the hanging ear of the electric meter, so that the fixing work of the electric meter can be quickly completed, and then the sealing cover 5 is driven by the lifting device 4 to cover the upper port of the barrel body 3, and then the pump body 6 is started. The pump body 6 will suck air from the sealed barrel body 3 through the pressure pipe 7 to form a negative pressure state in the barrel body 3. At this time, the pressure value in the barrel body 3 can be detected by the pressure detector 8. When the pressure data continues to change and the change exceeds the specified range, it means that the sealing of the electric meter is poor, otherwise it means that the sealing of the electric meter is high.

[0071] During the detection period, the drive motor 12 is started, and the drive motor 12 will drive the driven gear 11 to rotate through the active gear 13, and the driven gear 11 will drive the drive shaft 10 to rotate, and the drive shaft 10 will drive the sleeve 15 to rotate through the slide bar 14, and the sleeve 15 will drive the top disk 9 to rotate, and the disk 9 will drive the electric meter to rotate, so that the electric meter is in a moving state, thereby ensuring the detection accuracy. When the drive shaft 10 rotates, the drive shaft 10 will also drive the reciprocating screw 16 to rotate through two mutually meshing transmission gears 17, and the reciprocating screw 16 will drive the lifting plate 18 to reciprocate up and down, and the lifting plate 18 will drive the sleeve 15 to reciprocate up and down on the outer wall of the slide bar 14, and the sleeve 15 will drive the electric meter to rotate through the disk 9 while lifting up and down, so that the electric meter simulates a dynamic working state of up and down swinging, further improving the accuracy of the electric meter sealing detection.

[0072] Before generating negative pressure in the barrel body 3, start the fan 27 and the temperature-changing device 28. The fan 27 will make the air inlet pipe 25 convey air into the barrel body 3, and the exhaust pipe 26 will convey air to the U-shaped pipe 29, and the U-shaped pipe 29 will convey air back to the air inlet pipe 25, so that the air in the barrel body 3 will continuously circulate periodically in the U-shaped pipe 29, the air inlet pipe 25 and the exhaust pipe 26. When the airflow passes through the air inlet pipe 25, the temperature-changing device 28 can heat the air. After the heated air enters the barrel body 3, the electric meter will be heated, so that the electric meter can perform sealing detection in a high temperature environment, further improving the detection accuracy. When a low-temperature sealing detection is required, the temperature-changing device 28 can cool the air. During the heating and cooling period, the rotating and up and down swinging electric meter can be heated or cooled more efficiently, thereby improving the detection efficiency of the electric meter.

[0073] Before the test, the solenoid valve in the infusion tube 35 is opened, so that the bubble water in the liquid storage tank 32 will enter the nozzle 33 through the infusion tube 35, and the nozzle 33 will spray the bubble water onto the rotating and up-and-down electric meter. The rotating and up-and-down electric meter will evenly spray the bubble water on the electric meter. Therefore, after the barrel body 3 is under negative pressure, if there is an obvious air leakage on the electric meter, the bubble water will produce a large number of bubbles, which will be recorded by the camera equipment 36 to facilitate the subsequent repair of the leakage.

[0074] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric meter sealing detection device, comprising a base (1), characterized in that: Also includes: The barrel (3) is fixedly connected to the base (1). A lifting device (4) is fixedly mounted on the top of the base (1) via a bracket (2), and a sealing cover (5) facing the upper end of the barrel body (3) is fixedly mounted on the telescopic end of the lifting device (4); A pump body (6) fixedly mounted on the bracket (2), The output end of the pump body (6) is fixedly connected to a pressure pipe (7) extending into the barrel body (3), and a pressure detector (8) is fixedly installed on the barrel body (3); A disc (9) is arranged in the barrel (3), The disc (9) is provided with a clamp, and the bottom of the barrel (3) is provided with a driving part for driving the disc (9) to rotate and a lifting part for driving the disc (9) to move up and down.

2. The electric meter sealing detection device according to claim 1, characterized in that: The driving part comprises a driving shaft (10) rotatably connected to the bottom of the barrel body (3), the disc (9) is mounted on the driving shaft (10), a driving motor (12) is fixedly mounted on the lower end of the barrel body (3), a driving gear (13) is fixedly mounted on the output shaft of the driving motor (12), and a driven gear (11) meshingly connected with the driving gear (13) is fixedly mounted on the lower end of the driving shaft (10).

3. The electric meter sealing detection device according to claim 2, characterized in that: The lifting part comprises a reciprocating screw (16) rotatably connected to the bottom of the barrel body (3); the upper end of the driving shaft (10) is fixedly connected to a sliding rod (14); the bottom of the disc (9) is fixedly connected to a sleeve (15); the sleeve (15) is longitudinally sleeved on the outer wall of the upper end of the sliding rod (14); a lifting plate (18) is installed on the outer wall of the reciprocating screw (16); the sleeve (15) is rotatably connected to the lifting plate (18); and the reciprocating screw (16) and the driving shaft (10) are connected via two mutually meshing transmission gears (17).

4. The electric meter sealing detection device according to claim 2, characterized in that: An air inlet pipe (25) and an air exhaust pipe (26) are fixedly connected to both sides of the barrel body (3); fans (27) with the same wind direction are installed in the air inlet pipe (25) and the air exhaust pipe (26); a temperature-changing device (28) is fixedly installed in the air inlet pipe (25); and a U-shaped pipe (29) is connected between the ends of the air inlet pipe (25) and the exhaust pipe (26).

5. The electric meter sealing detection device according to claim 4, characterized in that: The outer wall of the barrel body (3) is fixedly connected to a liquid storage tank (32), and a nozzle (33) and a camera device (36) are fixedly installed on both sides of the inner wall of the barrel body (3), respectively. A nozzle (34) facing the axis of the barrel body (3) is fixedly installed on the nozzle (33), and a liquid infusion tube (35) extending into the liquid storage tank (32) is fixedly connected to the nozzle (33), and a solenoid valve is fixedly installed in the liquid infusion tube (35).

6. The electric meter sealing detection device according to claim 5, characterized in that: The lower end of the drive shaft (10) is fixedly connected to an air intake pipe (38) extending into the sleeve (15), and the lower end of the drive shaft (10) is rotatably connected to an air exhaust pipe (37) extending into the sleeve (15), the end of the air exhaust pipe (37) extending into the liquid storage tank (32), and one-way valves are fixedly installed in both the air intake pipe (38) and the air exhaust pipe (37).

7. The electric meter sealing detection device according to claim 5, characterized in that: A telescopic device (31) is fixedly mounted on the bracket (2), the U-shaped tube (29) is fixedly mounted on the telescopic end of the telescopic device (31), the ends of the air inlet pipe (25) and the air outlet pipe (26) are fixedly connected to sealing plates (30), and the two ends of the U-shaped tube (29) are respectively pressed against the outer walls of the two sealing plates (30).

8. The electric meter sealing detection device according to claim 1, characterized in that: A vertical rod (20) is longitudinally slidably mounted on the disk (9); the top of the vertical rod (20) is fixedly connected to a support plate (19); the lower end of the vertical rod (20) is fixedly connected to a limit plate (21); and a spring (22) is mounted between the limit plate (21) and the bottom of the disk (9).

9. The electric meter sealing detection device according to claim 8, characterized in that: The clamp comprises an internal threaded hole (23) arranged at the upper end of the supporting plate (19), the internal threaded hole (23) is internally threadedly connected with a stud (24), and a disc-shaped pressing plate is fixedly connected to the stud (24).

10. A method for detecting the sealing performance of an electric meter, comprising an electric meter sealing performance detection device according to any one of claims 1 to 9, characterized in that: The steps are as follows: Step 1: Fix the electric meter to the disc (9); Step 2: Cover the sealing cover (5) on the upper end of the barrel (3); Step 3: Make the disc (9) rotate continuously and move up and down; Step 4: generating negative pressure in the barrel (3); Step 5: The pressure value in the barrel (3) is detected by a pressure detector (8). When the pressure data changes beyond a specified range, it indicates that the sealing performance of the electric meter is poor, and vice versa, it indicates that the sealing performance of the electric meter is high.

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