Electronic and electrical anti-creeping electromagnetic measuring instrument
By designing flexible connecting blocks and universal pipe systems in the electromagnetic measuring instrument, the existing electromagnetic measuring instrument is solved for inconvenient operation in narrow environments, high-precision and flexible measurement are achieved, and the stable attachment of the instrument is ensured.
Patent Information
- Application Number
- CN202411891816.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-03-18
AI Technical Summary
When used in small or complex environments, existing electromagnetic measuring instruments are inconvenient to operate and cannot flexibly adjust the measurement angle and position, resulting in a reduced measurement accuracy.
An electronic electrician leakage-proof electromagnetic measuring instrument was designed. Through the combination of connecting blocks, spherical pins, universal pipes and other components, the flexible angle adjustment and position change of the electromagnetic sensor can be realized, so that it can extend into a narrow area for measurement, and the stable attachment of the instrument is achieved through the coordination of the limit frame and the threaded rod.
It realizes high-precision measurements in small or complex environments, improves measurement flexibility and accuracy, and ensures stable attachment and use of the instrument.
Smart Images
Figure CN119643980A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of electromagnetic measuring instruments, in particular to an electronic and electrical anti-leakage electromagnetic measuring instrument. Background Art
[0002] Electromagnetic measuring instruments are widely used to detect and measure electromagnetic parameters in circuits, such as voltage, current, magnetic field strength, etc. These instruments play a vital role in ensuring the normal operation of equipment and systems, troubleshooting, and maintenance. When the insulation layer in the electrical system is aged, damaged, or the electrical equipment fails, the current may leak to where it should not flow. This phenomenon is called leakage. The instrument can detect the size of the leakage current and prompt the user through a digital display or indicator.
[0003] Existing electromagnetic measuring instruments are inconvenient to operate when used in small or complex environments. Traditional measuring instruments usually have fixed measuring probes or sensors, and cannot flexibly adjust the measuring angle and position, resulting in reduced measurement accuracy. Summary of the invention
[0004] In view of the deficiencies in the prior art, the present invention provides an electronic and electrical anti-leakage electromagnetic measuring instrument, which solves the problem that the measuring angle and position cannot be flexibly adjusted, resulting in reduced measurement accuracy.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electronic and electrical leakage prevention electromagnetic measuring instrument, comprising: A fixing block, the fixing block being inserted into the measuring instrument body through a connecting rod; A connecting sleeve, wherein the connecting sleeve is fixed on the fixing block through a connecting frame; The interior of the connecting sleeve is slidably connected to a connecting block, a first spring is installed inside the connecting block, one end of the first spring is fixedly connected to a spherical pin, the spherical pin is slidably connected in the connecting block, the outer wall of the spherical pin is slidably connected in the connecting sleeve, one side of the connecting block is fixedly connected to a telescopic rod, the interior of the telescopic rod is slidably connected to a universal tube, one end of the universal tube is fixedly connected to an electromagnetic sensor, the outer wall of the electromagnetic sensor is slidably connected to a protective sleeve, one end of the electromagnetic sensor is fixedly connected to a second transmission line, and the second transmission line is slidably connected in the connecting block.
[0006] Preferably, one end of the second transmission line is fixedly connected to a cable reel, an outer wall of the cable reel is rotatably connected in a connecting frame, and a first rotating block is fixedly connected to one side of the cable reel.
[0007] Preferably, a first transmission line is fixedly connected inside the cable reel, one end of the first transmission line is fixedly connected to one end of the second transmission line, and one end of the first transmission line passes through a fixed block and is connected to a connecting rod.
[0008] Preferably, the outer wall of the fixed block is fixedly connected to a limiting ring, the outer wall of the limiting ring is slidably connected to a limiting sleeve, a first limiting groove is provided inside the limiting sleeve, and a limiting ball is slidably disposed inside the first limiting groove.
[0009] Preferably, one end of the limiting sleeve is fixedly connected to a fixing rod, and one end of the fixing rod is fixedly connected to one side of the measuring instrument body.
[0010] Preferably, the outer wall of the limiting sleeve is slidably connected to a sliding sleeve, and the inner wall of the sliding sleeve is slidably connected to the outer wall of the fixing rod.
[0011] Preferably, a second spring is provided on the outer wall of the fixing rod, and one end of the second spring is fixedly connected to the inner wall of the sliding sleeve.
[0012] Preferably, a second limiting groove is provided inside the measuring instrument body, a threaded rod is rotatably connected inside the measuring instrument body, a second rotating block is fixedly connected to one end of the threaded rod, and a threaded block is threadedly connected to the outer wall of the threaded rod.
[0013] Preferably, the outer wall of the threaded block is rotatably connected to a sliding ring, the outer wall of the sliding ring is fixedly connected to a connecting plate, and one side of the connecting plate is fixedly connected to a sliding tube.
[0014] Preferably, the outer wall of the sliding tube is slidably connected to a limiting frame, the inner wall of the limiting frame is fixedly connected with a tension spring, the outer wall of the tension spring is slidably connected in the sliding tube, and one end of the tension spring is fixedly connected to one side of the connecting plate.
[0015] Working principle: by pulling the sliding sleeve to slide on the limit sleeve and the fixed rod, the first limit groove is leaked out, and then the fixed block is pushed to insert the connecting rod into the fixed rod and the measuring instrument body, and the limit ring is made to slide in the limit sleeve, and then the limit ball is squeezed by the sliding of the limit ring, so that the limit ball slides in the first limit groove, and then the sliding sleeve is loosened to push the sliding sleeve to move by the second spring, so that the sliding sleeve is squeezed, and then the limit ring is limited by the limit ball, so that the fixed block is fixed on the measuring instrument body, and the electromagnetic sensor is pulled to drive the universal tube to slide in the telescopic rod, and the telescopic rod is stretched and unfolded, and the angle is changed by pulling the universal tube, and the telescopic rod is pulled to drive the connecting block to slide in the connecting sleeve, and the ball pin is pressed and slides in the connecting block through the movement of the connecting block, so that the connecting rod is The connecting block is taken out from the connecting sleeve, and the second transmission line is moved by the movement of the connecting block, thereby driving the winding reel to rotate and release the wound second transmission line, thereby allowing the electromagnetic sensor to enter and extend into a narrow area for measurement, and the sliding tube is driven to move by pulling the limit frame so that the connecting plate drives the sliding ring to rotate on the threaded block, thereby causing the connecting plate to slide on the outer wall of the measuring instrument body, thereby expanding the limit frame, and then pulling the limit frame at an angle on the sliding tube, thereby allowing the measuring instrument body to be hung on the detected device through the limit frame, and the limit frame is pulled to move by the tension spring, thereby allowing the measuring instrument body to be stably hung on the device, and the threaded rod is driven to rotate by rotating the second rotating block, thereby causing the threaded block to slide in the second limit groove, thereby causing the limit frame to move, and thus the limit frame can be clamped on the device through the movement of the limit frame.
[0016] The present invention provides an electronic and electrical leakage-proof electromagnetic measuring instrument, which has the following beneficial effects: 1. The present invention causes the spherical pin to slide in the connecting block under pressure by moving the connecting block, thereby taking the connecting block out of the connecting sleeve, pulling the second transmission line to move by the movement of the connecting block, thereby driving the winding reel to rotate and release the wound second transmission line, thereby allowing the electromagnetic sensor to enter a narrow area for measurement.
[0017] 2. The present invention drives the sliding tube to move by pulling the limit frame, so that the connecting plate drives the sliding ring to rotate on the threaded block, thereby expanding the limit frame, and when the limit frame is pulled at an angle on the sliding tube, the limit frame is pulled to move by a tension spring, so that the measuring instrument body can be stably hung on the equipment, and the threaded rod is driven to rotate by rotating the second rotating block, so that the threaded block slides in the second limit groove, and then the limit frame is moved, so that it can be clamped on the equipment through the movement of the limit frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A perspective view of the present invention; Figure 2 is a side view of the present invention; Figure 3is a cross-sectional view of the connecting frame of the present invention; Figure 4 is a cross-sectional view of the telescopic rod of the present invention; Figure 5 is a cross-sectional view of the sliding sleeve of the present invention; Figure 6 It is a schematic diagram of the thread block of the present invention; Figure 7 It is a cross-sectional view of the limiting frame of the present invention.
[0019] Among them, 1. measuring instrument body; 2. sliding sleeve; 3. telescopic rod; 4. electromagnetic sensor; 5. protective sleeve; 6. connecting frame; 7. first transmission line; 8. limiting frame; 9. connecting sleeve; 10. fixed block; 11. limiting ring; 12. second transmission line; 13. first rotating block; 14. winding drum; 15. connecting rod; 16. first spring; 17. spherical pin; 18. connecting block; 19. universal tube; 20. limiting sleeve; 21. limiting ball; 22. fixing rod; 23. second spring; 24. first limiting groove; 25. threaded block; 26. second limiting groove; 27. second rotating block; 28. threaded rod; 29. tension spring; 30. sliding ring; 31. connecting plate; 32. sliding tube. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] Example: Please see attached Figure 1 - Attachment Figure 7 The embodiment of the present invention provides an electronic and electrical leakage-proof electromagnetic measuring instrument, comprising: a fixed block 10, which is inserted into a measuring instrument body 1 through a connecting rod 15; a connecting sleeve 9, which is fixed to the fixed block 10 through a connecting frame 6; a connecting block 18 is slidably connected inside the connecting sleeve 9, a first spring 16 is installed inside the connecting block 18, one end of the first spring 16 is fixedly connected to a spherical pin 17, the spherical pin 17 is slidably connected in the connecting block 18, the outer wall of the spherical pin 17 is slidably connected in the connecting sleeve 9, one side of the connecting block 18 is fixedly connected to a telescopic rod 3, the inside of the telescopic rod 3 is slidably connected to a universal tube 19, one end of the universal tube 19 is fixedly connected to an electromagnetic sensor 4, the outer wall of the electromagnetic sensor 4 is slidably connected to a protective sleeve 5, one end of the electromagnetic sensor 4 is fixedly connected to a second transmission line 12, and the second transmission line 12 is slidably connected in the connecting block 18; Specifically, the connecting block 18 is driven to slide in the connecting sleeve 9 by pulling the telescopic rod 3, and the ball pin 17 is pressed and slides in the connecting block 18 by the movement of the connecting block 18, so that the connecting block 18 is taken out from the connecting sleeve 9, and the second transmission line 12 is pulled to move by the movement of the connecting block 18, so that the winding reel 14 is driven to rotate to release the wound second transmission line 12, so that the electromagnetic sensor 4 enters into the narrow area for measurement, and the universal tube 19 is driven to slide in the telescopic rod 3 by pulling the electromagnetic sensor 4, and the telescopic rod 3 is stretched and unfolded, and the angle is changed by pulling the universal tube 19.
[0022] One end of the second transmission line 12 is fixedly connected to the winding drum 14, the outer wall of the winding drum 14 is rotatably connected to the connecting frame 6, and one side of the winding drum 14 is fixedly connected to the first rotating block 13; the inside of the winding drum 14 is fixedly connected to the first transmission line 7, one end of the first transmission line 7 is fixedly connected to one end of the second transmission line 12, and one end of the first transmission line 7 passes through the fixed block 10 and is connected to the connecting rod 15. The ball pin 17 is pressed and slides in the connecting block 18 by the movement of the connecting block 18, and then the connecting block 18 is taken out of the connecting sleeve 9. The second transmission line 12 is pulled to move by the movement of the connecting block 18, and then the winding drum 14 is driven to rotate to release the wound second transmission line 12, so that the electromagnetic sensor 4 enters and extends into the narrow area for measurement, and the winding drum 14 is driven to rotate by rotating the first rotating block 13, and then the second transmission line 12 is wound.
[0023] The outer wall of the fixed block 10 is fixedly connected to the limit ring 11, the outer wall of the limit ring 11 is slidably connected to the limit sleeve 20, the interior of the limit sleeve 20 is provided with a first limit groove 24, and the interior of the first limit groove 24 is provided with a limit ball 21; one end of the limit sleeve 20 is fixedly connected to a fixed rod 22, and one end of the fixed rod 22 is fixedly connected to one side of the measuring instrument body 1; the outer wall of the limit sleeve 20 is slidably connected to the sliding sleeve 2, and the inner wall of the sliding sleeve 2 is slidably connected to the outer wall of the fixed rod 22; the outer wall of the fixed rod 22 is provided with a second spring 23, and one end of the second spring 23 is fixedly connected to the inner wall of the sliding sleeve 2; Specifically, the sliding sleeve 2 is pulled to slide on the limiting sleeve 20 and the fixed rod 22, so that the first limiting groove 24 leaks out, and then the fixed block 10 is pushed to insert the connecting rod 15 into the fixed rod 22 and the measuring instrument body 1, and the limiting ring 11 slides in the limiting sleeve 20, and then the limiting ball 21 is squeezed by the sliding of the limiting ring 11, so that the limiting ball 21 slides in the first limiting groove 24, and then the sliding sleeve 2 is loosened to make the second spring 23 push the sliding sleeve 2 to move, so that the sliding sleeve 2 is squeezed, and then the limiting ring 11 is limited by the limiting ball 21, so that the fixed block 10 is fixed on the measuring instrument body 1.
[0024] A second limiting groove 26 is provided inside the measuring instrument body 1, and a threaded rod 28 is rotatably connected inside the measuring instrument body 1, one end of the threaded rod 28 is fixedly connected to a second rotating block 27, and the outer wall of the threaded rod 28 is threadedly connected to a threaded block 25; a sliding ring 30 is rotatably connected to the outer wall of the threaded block 25, and a connecting plate 31 is fixedly connected to the outer wall of the sliding ring 30, and a sliding tube 32 is fixedly connected to one side of the connecting plate 31; the outer wall of the sliding tube 32 is slidably connected to the limiting frame 8, and the inner wall of the limiting frame 8 is fixedly connected to a tension spring 29, and the outer wall of the tension spring 29 is slidably connected in the sliding tube 32, and one end of the tension spring 29 is fixedly connected to one side of the connecting plate 31; The sliding tube 32 is driven to move by pulling the limit frame 8, so that the connecting plate 31 drives the sliding ring 30 to rotate on the threaded block 25, and then the connecting plate 31 slides on the outer wall of the measuring instrument body 1, so that the limit frame 8 is unfolded, and then the limit frame 8 is pulled on the sliding tube 32 to make the measuring instrument body 1 hang on the detected device through the limit frame 8, and the limit frame 8 is pulled to move by the tension spring 29, so that the measuring instrument body 1 can be stably hung on the device, and the threaded rod 28 is driven to rotate by rotating the second rotating block 27, so that the threaded block 25 slides in the second limit groove 26, and then the limit frame 8 is moved, so that it can be clamped on the device through the movement of the limit frame 8.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electronic and electrical leakage-proof electromagnetic measuring instrument, characterized in that: include; A fixed block (10), the fixed block (10) being inserted into the measuring instrument body (1) via a connecting rod (15); A connecting sleeve (9), wherein the connecting sleeve (9) is fixed on the fixing block (10) via a connecting frame (6); The connection sleeve (9) is slidably connected to a connection block (18), a first spring (16) is installed inside the connection block (18), one end of the first spring (16) is fixedly connected to a spherical pin (17), the spherical pin (17) is slidably connected in the connection block (18), the outer wall of the spherical pin (17) is slidably connected in the connection sleeve (9), one side of the connection block (18) is fixedly connected to a telescopic rod (3), the inside of the telescopic rod (3) is slidably connected to a universal tube (19), one end of the universal tube (19) is fixedly connected to an electromagnetic sensor (4), the outer wall of the electromagnetic sensor (4) is slidably connected to a protective sleeve (5), one end of the electromagnetic sensor (4) is fixedly connected to a second transmission line (12), and the second transmission line (12) is slidably connected in the connection block (18).
2. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 1, characterized in that: One end of the second transmission line (12) is fixedly connected to a cable reel (14); an outer wall of the cable reel (14) is rotatably connected to a connecting frame (6); and a first rotating block (13) is fixedly connected to one side of the cable reel (14).
3. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 2, characterized in that: A first transmission line (7) is fixedly connected inside the cable reel (14), one end of the first transmission line (7) is fixedly connected to one end of a second transmission line (12), and one end of the first transmission line (7) passes through a fixed block (10) and is connected to a connecting rod (15).
4. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 1, characterized in that: The outer wall of the fixed block (10) is fixedly connected to a limiting ring (11), the outer wall of the limiting ring (11) is slidably connected to a limiting sleeve (20), a first limiting groove (24) is provided inside the limiting sleeve (20), and a limiting ball (21) is slidably disposed inside the first limiting groove (24).
5. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 4, characterized in that: One end of the limiting sleeve (20) is fixedly connected to a fixing rod (22), and one end of the fixing rod (22) is fixedly connected to one side of the measuring instrument body (1).
6. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 4, characterized in that: The outer wall of the limiting sleeve (20) is slidably connected to the sliding sleeve (2), and the inner wall of the sliding sleeve (2) is slidably connected to the outer wall of the fixing rod (22).
7. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 5, characterized in that: A second spring (23) is provided on the outer wall of the fixing rod (22), and one end of the second spring (23) is fixedly connected to the inner wall of the sliding sleeve (2).
8. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 1, characterized in that: A second limiting groove (26) is provided inside the measuring instrument body (1), a threaded rod (28) is rotatably connected inside the measuring instrument body (1), one end of the threaded rod (28) is fixedly connected to a second rotating block (27), and an outer wall of the threaded rod (28) is threadedly connected to a threaded block (25).
9. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 8, characterized in that: The outer wall of the threaded block (25) is rotatably connected to a sliding ring (30), the outer wall of the sliding ring (30) is fixedly connected to a connecting plate (31), and one side of the connecting plate (31) is fixedly connected to a sliding tube (32).
10. The electronic and electrical leakage-proof electromagnetic measuring instrument according to claim 9, characterized in that: The outer wall of the sliding tube (32) is slidably connected to the limiting frame (8), the inner wall of the limiting frame (8) is fixedly connected to a tension spring (29), the outer wall of the tension spring (29) is slidably connected inside the sliding tube (32), and one end of the tension spring (29) is fixedly connected to one side of the connecting plate (31).