Rapid testing equipment for insulation and continuity performance of cable plugs

Abstract

This utility model discloses a rapid testing device for the insulation and continuity performance of cable plugs in the field of circuit testing equipment. It includes a five-hole socket, a testing box, and a switch box. The testing box is fixedly connected to the back of the five-hole socket by screws. Inside the testing box, a first slot, a second slot, and a third slot are sequentially arranged. A first plate, a second plate, and a third plate are slidably connected inside the three slots. The switch box is fixedly connected to the bottom of the testing box. A mounting cover is provided on the side of the testing box near the grounding socket on the five-hole socket. A first mounting groove is provided on the mounting cover. A second mounting groove is provided on one side of the testing box, and a third mounting groove is provided on the other side. A first ammeter, a second ammeter, and a third ammeter are sequentially arranged in the three mounting grooves. This utility model rapidly tests the insulation and continuity performance of cable plugs by measuring the ammeter readings. It is convenient to use and easy to maintain.

Description

Technical Field

[0001] This utility model relates to the field of line testing equipment, specifically a rapid testing device for the insulation and conductivity performance of cable plugs. Background Technology

[0002] Cables are a general term for items used for transmitting photoelectric signals, such as optical fibers, electrical wires, and power cables. Cables have a wide range of uses and are ubiquitous in daily life, primarily used for control installations, connecting equipment, transmitting power, and transmitting signals. They are common and indispensable items in daily life. For the factory testing of small household appliances, the insulation and conductivity performance of cable plugs is an essential step.

[0003] Existing cable plug testing equipment typically uses multimeters or other testing instruments to test the plug pins. Traditional testing equipment requires manual pressing of the connector to align with the pins, or clamping the pins for testing, which is inconvenient. Furthermore, the equipment is highly specialized, and the varying educational levels of quality inspectors can lead to misjudgments or omissions. Therefore, those skilled in the art have developed a rapid testing device for the insulation and continuity performance of cable plugs to address the problems mentioned in the background section. Utility Model Content

[0004] The purpose of this invention is to provide a rapid testing device for the insulation and conductivity performance of cable plugs, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A rapid testing device for the insulation and continuity performance of cable plugs includes a five-hole socket, a testing housing, and a switch housing. The testing housing is fixedly connected to the back of the five-hole socket by screws. The testing housing has a first slot, a second slot, and a third slot arranged sequentially inside. A first plate, a second plate, and a third plate are slidably connected inside the first, second, and third slots. The switch housing is fixedly connected to the bottom of the testing housing by screws. A rotary selector switch is installed inside the switch housing. A power plug is installed at one input terminal of the rotary selector switch. Ground, live, and neutral wires extend from the back of the five-hole socket in a triangular arrangement. These three wires pass through the first, second, and third plates inside the testing housing and then connect to the switch housing. A mounting cover is provided on the side of the detection box near the grounding socket of the five-hole socket. A first mounting groove is provided on the mounting cover at the middle position between the five-hole socket and the first card plate. A second mounting groove is provided on one side of the detection box between the first card plate and the second card plate. A third mounting groove is provided on the other side of the detection box between the second card plate and the third card plate. A first ammeter, a second ammeter, and a third ammeter are arranged sequentially in the first, second, and third mounting grooves. A ring-shaped current transformer is provided at the bottom of the first, second, and third ammeters. The ground wire, the live wire, and the neutral wire each pass through the nearest current transformer individually.

[0007] As a further embodiment of this utility model: a first bracket is provided on the side of the first card plate around the through hole of the ground wire, and the opening of the first bracket faces the first mounting groove; a second bracket is provided on the side of the second card plate around the through hole of the live wire, and the opening of the second bracket faces the second mounting groove; a third bracket is provided on the side of the third card plate around the through hole of the neutral wire, and the opening of the third bracket faces the third mounting groove.

[0008] As a further improvement of this utility model: six connecting blocks are provided inside the opening sides of the detection box, and a threaded hole is provided at the center of the connecting block. The mounting cover plate is connected to the detection box by screws.

[0009] As a further improvement of this utility model: a "T"-shaped sealing protrusion is provided at the position where the current transformer is connected to the detection box, and the sealing protrusion is slidably connected to the first mounting groove, the second mounting groove and the third mounting groove.

[0010] As a further improvement of this utility model: a battery is installed inside the switch housing, and the battery is wired to another input terminal of the rotary selector switch. A support base plate is fixedly connected to the bottom of the switch housing by screws.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, by setting a first ammeter, a second ammeter, and a third ammeter on three sides of the testing box, the current transformers on the three ammeters respectively detect the current of the ground wire, live wire, and neutral wire. By observing the presence or absence of readings on different ammeters, the insulation and continuity of the cable plug can be quickly determined. No staff are required to debug the testing equipment, and the test results are intuitive and clear, preventing missed or incorrect judgments. Compared with traditional clamp meters, the always-closed current transformer has a longer service life and there is no situation where the interface fails due to rust or contaminants.

[0013] 2. In this utility model, by setting a first clamping plate, a second clamping plate, and a third clamping plate inside the detection box, the three clamping plates separate and support the ground wire, live wire, and neutral wire, preventing measurement errors caused by wire entanglement and improving measurement accuracy. The first bracket, second bracket, and third bracket set on the three clamping plates support and fix the three current transformers, improving the stability of the current transformers and ensuring that the wires are always centered on the current transformers, thus improving detection accuracy. Furthermore, the openings of the brackets are aligned with the installation positions, facilitating installation and disassembly and avoiding interference. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a top view of the structure of this utility model;

[0016] Figure 3 This is a structural schematic diagram of cross-section AA in this utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the detection box in this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the first card plate in this utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the second card plate in this utility model;

[0020] Figure 7 This is a schematic diagram of the structure of the third card plate in this utility model;

[0021] Figure 8This is a schematic diagram of the structure for installing the cover plate in this utility model;

[0022] Figure 9 This is a schematic diagram of the current transformer in this utility model.

[0023] In the diagram: 1. Five-hole socket; 2. Testing box; 3. Mounting cover; 4. First ammeter; 5. Second ammeter; 6. Third ammeter; 7. Switch box; 8. Rotary selector switch; 9. Power plug; 10. Support base plate; 11. Live wire; 12. Neutral wire; 13. First mounting plate; 14. Second mounting plate; 15. Third mounting plate; 16. Battery; 17. Ground wire; 18. Connecting block; 19. First slot; 20. Second slot; 21. Third slot; 22. Second mounting slot; 23. Third mounting slot; 24. First bracket; 25. Second bracket; 26. Third bracket; 27. First mounting slot; 28. Sealing protrusion; 29. ​​Current transformer. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-9In this embodiment of the invention, a rapid testing device for the insulation and conductivity performance of cable plugs includes a five-hole socket 1, a testing box 2, and a switch box 7. The testing box 2 is fixedly connected to the back of the five-hole socket 1 by screws. The testing box 2 has a first slot 19, a second slot 20, and a third slot 21 arranged sequentially inside. A first plate 13, a second plate 14, and a third plate 15 are slidably connected inside the first slot 19, the second slot 20, and the third slot 21. The bottom of the testing box 2 is fixedly connected to a switch box 7 by screws. The switch box 7 contains a rotary selector switch 8. One input terminal of the rotary selector switch 8 has a power plug 9. A ground wire 17, a live wire 11, and a neutral wire 12 extend from the back of the five-hole socket 1 in a triangular arrangement. These three wires connect to the switch box 7 after passing through the first card plate 13, the second card plate 14, and the third card plate 15 inside the test box 2. A mounting cover 3 is located on the side of the test box 2, near the ground wire 17 socket on the five-hole socket 1. The mounting cover 3 has a section between the five-hole socket 1 and the first... A first mounting groove 27 is provided at the middle position between the two plates 13. A second mounting groove 22 is provided on one side of the detection box 2 between the first plate 13 and the second plate 14. A third mounting groove 23 is provided on the other side of the detection box 2 between the second plate 14 and the third plate 15. A first ammeter 4, a second ammeter 5, and a third ammeter 6 are arranged sequentially in the first mounting groove 27, the second mounting groove 22, and the third mounting groove 23. A ring-shaped current transformer 29 is provided at the bottom of each of the first ammeter 4, the second ammeter 5, and the third ammeter 6. The ground wire 17, the live wire 11, and the neutral wire 12 pass through the nearest current transformer 29 separately. The wires in the detection box 2 are separated and supported by the three plates to prevent interference during the detection process and improve detection accuracy. The cable plugs are fixed by the five-hole socket 1, reducing the process of manually connecting the detection equipment and improving work efficiency. Quality inspectors can judge whether the quality is qualified by observing the ammeter readings without debugging the equipment, reducing the occurrence of misjudgment.

[0026] Among them, a first bracket 24 is provided on the side of the first card plate 13 around the through hole of the ground wire 17, and the opening of the first bracket 24 faces the first mounting groove 27; a second bracket 25 is provided on the side of the second card plate 14 around the through hole of the live wire 11, and the opening of the second bracket 25 faces the second mounting groove 22; a third bracket 26 is provided on the side of the third card plate 15 around the through hole of the neutral wire 12, and the opening of the third bracket 26 faces the third mounting groove 23. The brackets support the ring of the current transformer 29, improve the stability of the current transformer 29, keep the wire in the center position of the current transformer 29, and improve the detection stability.

[0027] The detection chamber 2 has six connecting blocks 18 inside the opening on both sides. The connecting blocks 18 have threaded holes at their center. The cover plate 3 is connected to the detection chamber 2 by screws, which facilitates the disassembly and maintenance of the internal devices of the detection chamber 2.

[0028] Among them, a "T"-shaped sealing protrusion 28 is provided at the position where the current transformer 29 is connected to the detection box 2. The sealing protrusion 28 is slidably connected to the first mounting groove 27, the second mounting groove 22 and the third mounting groove 23. The sealing protrusion 28 prevents dust from entering the interior of the detection box 2 and increases the installation stability of the current transformer 29.

[0029] The switch housing 7 contains a battery 16, which is connected to another input terminal of the rotary selector switch 8. In the absence of an external power source, switching to battery 16 ensures normal detection. The bottom of the switch housing 7 is fixedly connected to a support base plate 10 by screws.

[0030] The working principle of this utility model is as follows: When assembling the testing box 2, firstly, the first card plate 13, the second card plate 14, and the third card plate 15 are slidably connected to the first card slot 19, the second card slot 20, and the third card slot 21 respectively. Then, the second ammeter 5 is installed from the second mounting slot 22, so that the current transformer 29 is in contact with the second bracket 25. The third ammeter 6 is installed from the second mounting slot 22, so that the current transformer 29 is in contact with the third bracket 26. Finally, the mounting cover plate 3 with the first ammeter 4 is placed close to the first bracket 24. The ground wire 17, the live wire 11, and the neutral wire 12 are respectively passed through the three card plates and wired to the rotary selector switch 8 on the switch box 7. After the wiring is completed, the mounting cover plate 3 is fixed with screws for easy disassembly and maintenance. The three brackets secure the current transformer 29. To improve detection accuracy, the cable plug of the device to be tested is inserted into the five-hole socket 1. The cable plug's wiring is connected to the ground wire 17, live wire 11, and neutral wire 12 inside the detection box 2. Depending on the power supply, the knob selector switch 8 is turned to either battery power 16 or plug power. After power is applied, current flows through the wiring inside the detection box 2. The wire passing through the current transformer 29 is considered the primary coil of the current transformer 29. The secondary coil inside the current transformer 29 induces current, which is displayed on the ammeter. If the first ammeter 4 shows a reading, it indicates that current flows through the ground wire 17, and the cable plug has poor insulation and leakage. If the second ammeter 5 and the third ammeter 6 show no reading, it indicates that the wiring is not continuous and the cable plug has a connection problem. The operation is simple, convenient, and reduces the risk of misjudgment.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A rapid testing device for the insulation and continuity performance of cable plugs, comprising a five-hole socket (1), a testing box (2), and a switch box (7), characterized in that: The back of the five-hole socket (1) is fixedly connected to a detection box (2) by screws. The detection box (2) has a first slot (19), a second slot (20), and a third slot (21) arranged sequentially inside. A first plate (13), a second plate (14), and a third plate (15) are slidably connected inside the first slot (19), the second slot (20), and the third slot (21). A switch box (7) is fixedly connected to the bottom of the detection box (2) by screws. 7) A rotary selector switch (8) is provided inside. One of the input terminals of the rotary selector switch (8) is provided with a power plug (9). The five-hole socket (1) has a ground wire (17), a live wire (11), and a neutral wire (12) extending out from the back in a triangular arrangement. The three wires pass through the first card plate (13), the second card plate (14), and the third card plate (15) inside the detection box (2) and are then connected to the switch box (7). The side of the detection box (2) is located on the five-hole socket (1) near the switch box (7). A mounting cover (3) is provided on one side of the near-ground wire (17) socket. A first mounting groove (27) is provided on the mounting cover (3) at the middle position between the five-hole socket (1) and the first card plate (13). A second mounting groove (22) is provided on one side of the detection box (2) between the first card plate (13) and the second card plate (14). A third mounting groove (22) is provided on the other side of the detection box (2) between the second card plate (14) and the third card plate (15). The mounting slot (23) is provided with a first ammeter (4), a second ammeter (5) and a third ammeter (6) in sequence in the first mounting slot (27), the second mounting slot (22) and the third mounting slot (23). The bottom of the first ammeter (4), the second ammeter (5) and the third ammeter (6) is provided with a ring-shaped current transformer (29). The ground wire (17), the live wire (11) and the neutral wire (12) pass through the nearest current transformer (29) respectively.

2. The rapid testing equipment for the insulation and continuity performance of cable plugs according to claim 1, characterized in that: A first bracket (24) is provided on the side of the first card plate (13) around the through hole of the ground wire (17), and the opening of the first bracket (24) faces the first mounting groove (27). A second bracket (25) is provided on the side of the second card plate (14) around the through hole of the live wire (11), and the opening of the second bracket (25) faces the second mounting groove (22). A third bracket (26) is provided on the side of the third card plate (15) around the through hole of the neutral wire (12), and the opening of the third bracket (26) faces the third mounting groove (23).

3. The rapid testing equipment for the insulation and continuity performance of cable plugs according to claim 1, characterized in that: The detection box (2) has six connecting blocks (18) inside the opening on both sides. The connecting blocks (18) have threaded holes at their center. The mounting cover (3) is connected to the detection box (2) by screws.

4. The rapid testing equipment for the insulation and continuity performance of cable plugs according to claim 1, characterized in that: A "T"-shaped sealing protrusion (28) is provided at the position where the current transformer (29) is connected to the detection box (2). The sealing protrusion (28) is slidably connected to the first mounting groove (27), the second mounting groove (22) and the third mounting groove (23).

5. The rapid testing equipment for the insulation and continuity performance of cable plugs according to claim 1, characterized in that: The switch housing (7) is equipped with a battery (16), which is connected to another input terminal of the rotary selector switch (8). The bottom of the switch housing (7) is fixedly connected to a support base plate (10) by screws.

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