Insulation resistance automatic tester
By designing an automatic insulation resistance tester, the combined structure of the test seat and the electric cylinder can achieve automatic drop and close contact of the test terminals, which solves the problem of sliding error in manual testing and improves the accuracy of insulation resistance testing.
Patent Information
- Application Number
- CN202420558262.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-03-21
AI Technical Summary
Existing insulation resistance tests require manual contact and pressing of the cable, resulting in sliding errors and affecting the accuracy of the test.
An automatic insulation resistance tester is designed, using a combined structure of the test seat, electric cylinder and adjustment recess, so that the test terminal can automatically descend and closely contact the cable surface, and the adjustment recess and adjustment recess move are driven by the extension of the electric cylinder. , realize automatic testing.
It improves the accuracy of insulation resistance testing, reduces sliding errors caused by manual operation, and improves the automation and accuracy of testing.
Smart Images
Figure CN222319051U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of insulation resistance testing, in particular to an automatic insulation resistance tester. Background Art
[0002] Insulation resistance refers to the DC resistance of an insulator under specified conditions. It is the most basic insulation indicator of electrical equipment and electrical circuits. Insulation resistance is the most basic insulation indicator of electrical equipment and electrical circuits. Insulation resistance: When a DC voltage is applied to the dielectric, after a certain period of time, the polarization process ends, and the resistance corresponding to the leakage current flowing through the dielectric is called insulation resistance.
[0003] At present, when conducting insulation resistance test on cables, it is necessary to manually make the test terminal contact with the cable surface and press it for a certain period of time. However, the workload of manual measurement is large, and sliding error is prone to occur during long-term pressing and measuring, which in turn affects the accuracy of cable insulation resistance test. Therefore, we propose an automatic insulation resistance tester to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide an automatic insulation resistance tester to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An automatic insulation resistance tester comprises a test seat, a support plate is fixedly connected to the back of the test seat, a top plate is fixedly connected to the upper surface of the support plate, a fixed seat is fixedly installed on the upper surface of the top plate, an electric cylinder is fixedly installed on the bottom surface of the fixed seat, an adjustment recess is fixedly installed on the telescopic end of the electric cylinder, a sliding hole is provided on the bottom surface of the top plate, the outer surface of the adjustment recess is slidably connected to the inner wall of the sliding hole, an adjustment seat is fixedly installed on the bottom surface of the adjustment recess, adjustment holes are provided on the left and right side surfaces of the adjustment seat, adjustment plates are slidably connected to the inner walls of the two adjustment holes, test terminals are fixedly installed on the bottom surfaces of the two adjustment plates, and a tester body is fixedly installed on the front surface of the top plate.
[0007] In a further embodiment, through holes are opened on the upper surfaces of the two adjustment holes, fixing screws are provided inside the two through holes, and the bottom ends of the two fixing screws are fixedly connected to the upper surfaces of the two adjustment plates respectively.
[0008] In a further embodiment, the outer surfaces of the two fixing screws are threadedly connected with fixing nuts, and the bottom ends of the two fixing nuts are in contact with the upper surface of the adjustment seat.
[0009] In a further embodiment, a limiting groove is provided on the front side of the support plate, an inner wall of the limiting groove is slidably connected to a limiting block, and a front side of the limiting block is fixedly connected to a back side of the adjustment recess.
[0010] In a further embodiment, a positioning groove is provided on the upper surface of the test socket, and the two test terminals are both located above the positioning groove.
[0011] In a further embodiment, cables are fixedly connected to outer surfaces of the two test terminals, and two groups of bases are fixedly connected to the bottom surface of the test socket.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The device can position and support the cable to be tested through the test seat and positioning groove, which is convenient for automatic testing. The adjustment seat and adjustment plate are used to support the two test terminals. At the same time, the extension movement of the electric cylinder and the cooperation with the adjustment recess can drive the two test terminals to descend, which will make the two test terminals in close contact with the surface of the cable, so as to facilitate continuous testing of the insulation resistance of the cable surface, solve the problem of long-term manual pressing during cable testing, which is prone to sliding errors, and improve the accuracy of cable insulation resistance testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the automatic insulation resistance tester.
[0015] Figure 2 It is a three-dimensional structural schematic diagram of the bottom view of the automatic insulation resistance tester.
[0016] Figure 3 It is a cross-sectional view of the side view of the top plate in the automatic insulation resistance tester.
[0017] Figure 4 It is a partial three-dimensional structural schematic diagram of the front view of the adjustment seat in the automatic insulation resistance tester.
[0018] In the figure: 1. test seat; 2. support plate; 3. top plate; 4. fixed seat; 5. sliding hole; 6. electric cylinder; 7. adjustment recess; 8. adjustment seat; 9. adjustment hole; 10. adjustment plate; 11. test terminal; 12. cable; 13. through hole; 14. fixing screw; 15. fixing nut; 16. tester body; 17. positioning groove; 18. limit block; 19. limit groove; 20. base. DETAILED DESCRIPTION
[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4In the utility model, an automatic insulation resistance tester includes a test seat 1, a support plate 2 is fixedly connected to the back of the test seat 1, a top plate 3 is fixedly connected to the upper surface of the support plate 2, a fixed seat 4 is fixedly installed on the upper surface of the top plate 3, an electric cylinder 6 is fixedly installed on the bottom surface of the fixed seat 4, an adjusting recess 7 is fixedly installed on the telescopic end of the electric cylinder 6, a sliding hole 5 is opened on the bottom surface of the top plate 3, the outer surface of the adjusting recess 7 is slidably connected to the inner wall of the sliding hole 5, an adjusting seat 8 is fixedly installed on the bottom surface of the adjusting recess 7, and the left and right side surfaces of the adjusting seat 8 are opened. The inner walls of the two adjusting holes 9 are slidably connected with adjusting plates 10, and the bottom surfaces of the two adjusting plates 10 are fixedly installed with test terminals 11, and a tester body 16 is fixedly installed on the front of the top plate 3. Through the electric cylinder 6 provided on the fixed seat 4, and the cooperation with the sliding hole 5 and the adjusting recess 7, the height of the adjusting seat 8 and the adjusting plate 10 can be flexibly adjusted.
[0023] A through hole 13 is provided on the upper surface of the two adjustment holes 9, and a fixing screw 14 is provided inside the two through holes 13. The bottom ends of the two fixing screws 14 are fixedly connected to the upper surfaces of the two adjustment plates 10 respectively, and the outer surfaces of the two fixing screws 14 are threadedly connected with fixing nuts 15, and the bottom ends of the two fixing nuts 15 are in contact with the upper surface of the adjustment seat 8. Through the through holes 13 and the fixing screws 14, and in cooperation with the fixing nuts 15 and the adjustment holes 9, the distance between the two test terminals 11 can be adjusted, which is suitable for insulation resistance testing at different positions of the cable.
[0024] A limiting groove 19 is provided on the front of the support plate 2, and the inner wall of the limiting groove 19 is slidably connected to the limiting block 18. The front of the limiting block 18 is fixedly connected to the back of the adjusting recess 7. A positioning groove 17 is provided on the upper surface of the test seat 1. Both test terminals 11 are located above the positioning groove 17. Both outer surfaces of the two test terminals 11 are fixedly connected to cables 12. Two groups of bases 20 are fixedly connected to the bottom surface of the test seat 1. The limiting groove 19 and the limiting block 18 can make the adjusting recess 7 more stable when moving up and down. The positioning groove 17 is arranged to play a role in positioning the cable during testing.
[0025] The working principle of the utility model is: when testing the insulation resistance of the cable, first take the cable and place it inside the positioning groove 17, then take one end of the cable 12, and insert the plug at one end of the cable 12 into the sockets on both sides of the tester body 16, then start the extension movement of the electric cylinder 6, which can drive the adjustment recess 7 and the adjustment seat 8 to move downward, and at the same time, the test terminal 11 at the bottom of the adjustment seat 8 will also drop, until the two test terminals 11 are in close contact with the surface of the cable, and then the insulation resistance value of the electrical connection will be displayed on the tester body 16.
[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. An automatic insulation resistance tester, characterized in that: The invention comprises a test seat (1), wherein a support plate (2) is fixedly connected to the back of the test seat (1), a top plate (3) is fixedly connected to the upper surface of the support plate (2), a fixed seat (4) is fixedly installed on the upper surface of the top plate (3), an electric cylinder (6) is fixedly installed on the bottom surface of the fixed seat (4), an adjustment recess (7) is fixedly installed on the telescopic end of the electric cylinder (6), a sliding hole (5) is provided on the bottom surface of the top plate (3), the outer surface of the adjustment recess (7) is slidably connected to the inner wall of the sliding hole (5), an adjustment seat (8) is fixedly installed on the bottom surface of the adjustment recess (7), the left and right side surfaces of the adjustment seat (8) are both provided with adjustment holes (9), the inner walls of the two adjustment holes (9) are both slidably connected to adjustment plates (10), the bottom surfaces of the two adjustment plates (10) are both fixedly installed with test terminals (11), and a tester body (16) is fixedly installed on the front surface of the top plate (3).
2. An automatic insulation resistance tester according to claim 1, characterized in that: The upper surfaces of the two adjustment holes (9) are each provided with a through hole (13), the interiors of the two through holes (13) are each provided with a fixing screw (14), and the bottom ends of the two fixing screws (14) are respectively fixedly connected to the upper surfaces of the two adjustment plates (10).
3. An automatic insulation resistance tester according to claim 2, characterized in that: The outer surfaces of the two fixing screws (14) are both threadedly connected with fixing nuts (15), and the bottom ends of the two fixing nuts (15) are in contact with the upper surface of the adjustment seat (8).
4. The automatic insulation resistance tester according to claim 1, characterized in that: A limiting groove (19) is provided on the front side of the support plate (2); the inner wall of the limiting groove (19) is slidably connected to a limiting block (18); and the front side of the limiting block (18) is fixedly connected to the back side of the adjustment recess (7).
5. The automatic insulation resistance tester according to claim 1, characterized in that: A positioning groove (17) is provided on the upper surface of the test seat (1), and the two test terminals (11) are both located above the positioning groove (17).
6. An automatic insulation resistance tester according to claim 1, characterized in that: The outer surfaces of the two test terminals (11) are fixedly connected to cables (12), and the bottom surface of the test seat (1) is fixedly connected to two sets of bases (20).