Multifunctional intelligent resistance tester for enameled wire

Abstract

The utility model discloses a multifunctional intelligent resistance tester for enamelled wires, which relates to the technical field of enamelled wire testing and comprises a workbench and direct current resistance testing equipment arranged on the workbench and used for testing direct current resistance of the enamelled wires. Each bidirectional driving mechanism is provided with a pair of clamps used for clamping an enameled wire, the pair of clamps is provided with a resistance test wire electrically connected with the direct-current resistance test equipment, and the pair of clamps and the bidirectional driving mechanisms are provided with diameter measuring assemblies used for testing the diameter of an inner core of the enameled wire; a sliding base is slidably connected to the workbench, and a driving piece used for driving the sliding base to linearly move is arranged on the workbench. The utility model solves the technical problems that the conventional resistance tester has a single function when testing the enameled wire, so that the enameled wire needs to be detected separately in other items such as diameter measurement and tension test, the test is tedious, and the integrated testability is not high.

Description

Technical Field

[0001] The utility model relates to the technical field of enameled wire testing, in particular to a multifunctional intelligent resistance tester for enameled wires. Background Art

[0002] Enameled wire, also known as wire, is a metal conductor coated with an insulating varnish and used to wind electromagnetic coils. It is a major type of winding wire and consists of a conductor and an insulating layer. The bare wire is annealed and softened, then painted multiple times and baked. After production, the enameled wire needs to be tested for resistance to ensure it meets specified requirements. Current resistance testers for wire primarily consist of a body and a clamping tool.

[0003] For example, patent publication number CN211505700U discloses a clamping fixture for an enameled wire DC resistance tester. The fixture comprises a base and a clamping assembly. The clamping assembly is disposed on one side of the base and distributed along its length. The clamping assembly includes two fixed clips. The base is provided with a sliding assembly for sliding the fixed clips. The sliding assembly drives the fixed clips away from or toward each other. This utility model improves the accuracy of enameled wire resistance testing.

[0004] In the above patent, the inventor believes that although the patent improves the fixing effect of the enameled wire before resistance testing, that is, the clamping and tightening fixing effect, the detection items of the enameled wire are not limited to resistance measurement, and the current resistance tester has a single function when testing the enameled wire, which requires separate testing of the enameled wire when performing other items such as diameter measurement and tensile testing. The test is cumbersome and the integrated testability is not high. Utility Model Content

[0005] In order to overcome the above-mentioned shortcomings, the utility model aims to provide a multifunctional intelligent resistance tester for enameled wires, which can solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A multifunctional intelligent resistance tester for enameled wire, comprising a workbench and a DC resistance test device disposed on the workbench for testing the DC resistance of the enameled wire, wherein the workbench is provided with a pair of bidirectional drive mechanisms, each bidirectional drive mechanism being provided with a pair of clamps for clamping the enameled wire, each pair of clamps being provided with a resistance test wire electrically connected to the DC resistance test device, and a diameter measuring assembly for testing the inner core diameter of the enameled wire being provided on the pair of clamps and the bidirectional drive mechanism;

[0008] The workbench is slidably connected to a slide, and a driving member for driving the slide to move linearly is provided on the workbench. A tensile tester is fixedly connected to the slide, and the tensile tester is connected to one of the bidirectional drive mechanisms, and the other bidirectional drive mechanism is fixedly connected to the workbench.

[0009] As a further solution of the present invention: the bidirectional drive mechanism includes a guide box, a pair of sliders slidably connected to the guide box, a bidirectional screw rod rotatably connected to the guide box and a crank handle fixedly connected to one end of the bidirectional screw rod, a pair of sliders are threadedly connected to the bidirectional screw rod, a guide groove is provided on the guide box, the slider is slidably connected to the guide groove, and the bidirectional screw rod is rotatably connected to the guide groove, one of the guide boxes is fixedly connected to the detection end of the tensile tester, and the other guide box is fixedly connected to the upper surface of the workbench.

[0010] As a further solution of the present invention: a pair of telescopic rods are fixedly connected to the slide seat and one of the guide boxes.

[0011] As a further solution of the present invention: the clamp includes a fixed plate fixedly connected to each slider, a plurality of clamps fixedly connected to one side of the fixed plate and a slot opened at one end of each clamp, the plurality of clamps are distributed at intervals on the fixed plate, the clamps on a pair of horizontally arranged fixed plates are staggered, and the resistance test line is fixedly connected to a pair of clamps on a pair of horizontally arranged fixed plates.

[0012] As a further solution of the present invention: the diameter measuring assembly includes a pair of marking plates fixedly connected to a pair of staggered clamping plates and a thousandth scale line arranged on the guide box, and the marking plate points to the thousandth scale line.

[0013] As a further solution of the present invention: a sliding groove for the sliding seat is provided on the workbench, and the driving member includes a threaded rod rotatably connected to the sliding groove and a crank handle 2 fixedly connected to one end of the threaded rod, and the sliding seat is threadedly connected to the threaded rod.

[0014] As a further solution of the present invention: the tensile tester is provided with a digital display screen for displaying tensile data.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model combines a diameter measuring component with a clamp, and a bidirectional drive structure is used to control a pair of clamps to move closer to or away from each other, so that the clamp can quickly clamp the core of the enameled wire. When the enameled wire is clamped, the marking plate and the thousandth scale line cooperate to measure the diameter of the core of the clamped enameled wire, which can effectively play the test advantages and improve the test functionality.

[0017] 2. The utility model controls the movement of the clamp for clamping the enameled wire through a driving part. Since the workbench is provided with two areas of clamping structures, the enameled wire can be tightened by controlling the clamping structure at one area to move away from the clamping structure at the other area, thereby improving the accuracy of the enameled wire resistance test. In the process of tightening the enameled wire, the tensile tester is used as the force measuring part, and the tensile test of the enameled wire can be conveniently performed after the resistance test. This can effectively play the test advantages, improve the test functionality, and meet the effect of the integrated test of the enameled wire test project. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural stereogram of a multifunctional intelligent resistance tester for enameled wires according to the present invention;

[0019] Figure 2 This utility model Figure 1 Structural stereogram excluding the workbench and DC resistance experimental equipment;

[0020] Figure 3 This utility model Figure 2 Side view of;

[0021] Figure 4 It is a structural stereogram of the bidirectional drive structure of the utility model.

[0022] The reference numerals and names in the figures are as follows:

[0023] 1. Workbench; 2. DC resistance test equipment; 3. Slide; 4. Tension tester; 5. Digital display; 6. Bidirectional drive mechanism; 61. Guide box; 62. Slider; 63. Bidirectional screw; 64. Crank handle 1; 7. Clamp; 71. Fixing plate; 72. Clamp; 73. Slot; 8. Diameter measuring assembly; 81. Marking plate; 82. Thousands scale mark; 9. Resistance test lead; 10. Slide; 11. Threaded rod; 12. Crank handle 2; 13. Telescopic rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-4 A multifunctional intelligent resistance tester for enameled wire comprises a workbench 1 and a DC resistance test device 2 arranged on the workbench 1 for testing the DC resistance of the enameled wire, characterized in that a pair of bidirectional driving mechanisms 6 are provided on the workbench 1, each bidirectional driving mechanism 6 is provided with a pair of clamps 7 for clamping the enameled wire, a pair of clamps 7 are provided with a resistance test wire 9 electrically connected to the DC resistance test device 2, when the peeled core of the enameled wire is fixed on the clamp 7, the DC resistance test device 2, the resistance test wire 9, the clamp 7 and the enameled wire can form a test circuit, so that the resistance test of the enameled wire can be conveniently performed, a pair of clamps 7 and the bidirectional driving mechanism 6 are provided with a diameter measuring component 8 for testing the inner core wire diameter of the enameled wire, the diameter measuring component 8 can use the clamp 7 to fix the enameled wire to test the wire diameter.

[0026] A slide 3 is slidably connected to the workbench 1. A driving member for driving the slide 3 to move linearly is provided on the workbench 1. A tensile tester 4 is fixedly connected to the slide 3. The tensile tester 4 is connected to one of the bidirectional driving mechanisms 6. The tensile tester 4 can test the tensile resistance of the enameled wire when it is tightened. The other bidirectional driving mechanism 6 is fixedly connected to the workbench 1.

[0027] The bidirectional drive mechanism 6 includes a guide box 61, a pair of sliders 62 slidably connected to the guide box 61, a bidirectional screw rod 63 rotatably connected in the guide box 61 and a crank 64 fixedly connected to one end of the bidirectional screw rod 63. A pair of sliders 62 are threadedly connected to the bidirectional screw rod 63. A guide groove is provided on the guide box 61. The sliders 62 are slidably connected in the guide groove, and the bidirectional screw rod 63 is rotatably connected in the guide groove. One of the guide boxes 61 is fixedly connected to the detection end of the tensile tester 4, and the other guide box 61 is fixedly connected to the upper surface of the workbench 1.

[0028] Specifically, a pair of sliders 62 are driven to move toward or away from each other by a bidirectional screw rod 63, so that a pair of clamps 7 can be conveniently opened and closed to clamp the stripped enameled wire. Since the bidirectional drive mechanism 6 and the workbench 1 at this position are in a non-contact connection, the clamp 7 on the bidirectional drive mechanism 6 can be tightened and moved while clamping the enameled wire. By increasing the tension of the enameled wire, the accuracy of the resistance test can be improved.

[0029] A pair of telescopic rods 13 are fixedly connected to the slide 3 and one of the guide boxes 61. The telescopic rods 13 can balance the movement of the guide box 61. When the slide 3 drives the guide box 61 to move, the telescopic rods 13 and the tension tester 4 can stably pull the guide box 61 for horizontal movement.

[0030] The clamp 7 includes a fixed plate 71 fixedly connected to each slider 62, a plurality of clamping plates 72 fixedly connected to one side of the fixed plate 71 and a slot 73 opened at one end of each clamping plate 72. The slot 73 is arranged in a V-shaped structure. The plurality of clamping plates 72 are arranged at intervals on the fixed plate 71. The clamping plates 72 on a pair of horizontally arranged fixed plates 71 are staggered. The resistance test line 9 is fixedly connected to a pair of clamping plates 72 on a pair of horizontally arranged fixed plates 71. The clamping plates 72 with the slots 73 are staggered in position, which can improve the tightness of the clamping of the enameled wire core and effectively prevent it from falling off.

[0031] It is worth noting that, since the resistance test wire 9 is connected to the core of the enameled wire through the clamp 7 , the slider 62 connected to the clamp 7 should adopt an insulating structure.

[0032] The diameter measuring assembly 8 includes a pair of marking plates 81 fixedly connected to a pair of staggered clamping plates 72 and a thousandth scale line 82 arranged on the guide box 61. The marking plate 81 points to the thousandth scale line 82. The marking plate 81 also adopts an insulating structure. After the clamping plates 72 on the left and right sides are moved to clamp the wire core of the enameled wire, the pair of marking plates 81 can be moved on the thousandth scale line 82. By observing the data of the thousandth scale line 82 corresponding to the pair of marking plates 81, the wire diameter data of the enameled wire can be tested.

[0033] A slide groove 10 for sliding the slide 3 is provided on the workbench 1. The driving part includes a threaded rod 11 rotatably connected to the slide groove 10 and a crank handle 2 12 fixedly connected to one end of the threaded rod 11. The slide 3 is threadedly connected to the threaded rod 11. The threaded rod 11 is shaken by the crank handle 2 12, so that the slide 3 can slide linearly in the slide groove 10, which can conveniently drive a bidirectional drive mechanism 6 to move so as to pull the enameled wire in a fixed state for tensioning.

[0034] The tension tester 4 is provided with a digital display screen 5 for displaying tension data. When the enameled wire is tightened by pulling a bidirectional drive mechanism 6 and continuously outputting tension, the tension tester 4 connected to the slide 3 and the bidirectional drive mechanism 6 can perform tension testing on the enameled wire. The digital display screen 5 can be used to digitally display the tension data of the tension tester 4. In this way, while realizing the resistance test of the enameled wire during tightening, the tension can be conveniently tested by continuously outputting the tightening tension in conjunction with the tension tester 4.

[0035] When the utility model is used, a certain length of enameled wire is first cut and peeled, and the two ends of the enameled wire are respectively placed between the left and right clamps 7. The two-way driving mechanism 6 controls the clamps 7 to move closer to each other, so that the enameled wire can be clamped. At this time, the marking plate 82 can be indicated on the corresponding thousandth scale line 82 along with the movement of the clamp 7. By reading the thousandth scale line 82 data between the pair of marking plates 82, the wire diameter of the enameled wire core can be obtained.

[0036] Next, the threaded rod 11 is rotated by the second crank handle 12, and the slide 3 can drive a pair of bidirectional drive mechanisms 6 away from the other bidirectional drive mechanisms 6 through the tension tester 4. By changing the spacing between the two pairs of bidirectional drive mechanisms 6, the enameled wire can be tightened. When the enameled wire, the clamp 7 and the resistance test wire 9 are connected, the resistance of the enameled wire can be tested by debugging the DC resistance test equipment 2;

[0037] Finally, after the resistance test of the enameled wire is completed, the slide 3 is continued to be controlled to move, and the tension tester 4 continuously pulls the bidirectional driving mechanism 6 to perform a tension test on the enameled wire to meet the operational requirements of various test items of the enameled wire.

[0038] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A multifunctional intelligent resistance tester for enameled wire, comprising a workbench (1) and a DC resistance test device (2) arranged on the workbench (1) for testing the DC resistance of the enameled wire, characterized in that: The workbench (1) is provided with a pair of bidirectional drive mechanisms (6), each bidirectional drive mechanism (6) is provided with a pair of clamps (7) for clamping the enameled wire, the pair of clamps (7) are provided with a resistance test wire (9) electrically connected to the DC resistance test equipment (2), and the pair of clamps (7) and the bidirectional drive mechanism (6) are provided with a diameter measuring assembly (8) for testing the inner core diameter of the enameled wire; A slide (3) is slidably connected to the workbench (1), a driving member for driving the slide (3) to move linearly is provided on the workbench (1), a tensile tester (4) is fixedly connected to the slide (3), the tensile tester (4) is connected to one of the two-way driving mechanisms (6), and the other two-way driving mechanism (6) is fixedly connected to the workbench (1).

2. A multifunctional intelligent resistance tester for enameled wire according to claim 1, characterized in that: The bidirectional driving mechanism (6) includes a guide box (61), a pair of sliders (62) slidably connected to the guide box (61), a bidirectional screw rod (63) rotatably connected in the guide box (61), and a crank (64) fixedly connected to one end of the bidirectional screw rod (63), the pair of sliders (62) are threadedly connected to the bidirectional screw rod (63), a guide groove is provided on the guide box (61), the sliders (62) are slidably connected in the guide groove, and the bidirectional screw rod (63) is rotatably connected in the guide groove, one of the guide boxes (61) is fixedly connected to the detection end of the tensile tester (4), and the other guide box (61) is fixedly connected to the upper surface of the workbench (1).

3. The multifunctional intelligent resistance tester for enameled wire according to claim 2, characterized in that: A pair of telescopic rods (13) are fixedly connected to the slide seat (3) and one of the guide boxes (61).

4. The multifunctional intelligent resistance tester for enameled wire according to claim 3, characterized in that: The clamp (7) includes a fixed plate (71) fixedly connected to each slider (62), a plurality of clamping plates (72) fixedly connected to one side of the fixed plate (71), and a slot (73) opened at one end of each clamping plate (72). The plurality of clamping plates (72) are arranged on the fixed plate (71) at intervals, and the clamping plates (72) on a pair of horizontally arranged fixed plates (71) are arranged in a staggered manner. The resistance test line (9) is fixedly connected to a pair of clamping plates (72) on a pair of horizontally arranged fixed plates (71).

5. The multifunctional intelligent resistance tester for enameled wire according to claim 4, characterized in that: The diameter measuring assembly (8) comprises a pair of marking plates (81) fixedly connected to a pair of staggered clamping plates (72) and a thousandth scale line (82) provided on the guide box (61), wherein the marking plates (81) are aligned with the thousandth scale line (82).

6. The multifunctional intelligent resistance tester for enameled wire according to claim 1, characterized in that: The workbench (1) is provided with a slide groove (10) for the slide seat (3) to slide, and the driving member includes a threaded rod (11) rotatably connected to the slide groove (10) and a crank handle (12) fixedly connected to one end of the threaded rod (11), and the slide seat (3) is threadedly connected to the threaded rod (11).

7. The multifunctional intelligent resistance tester for enameled wire according to claim 1, characterized in that: The tensile tester (4) is provided with a digital display screen (5) for displaying tensile force data.

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