A test fixture for arc fault detector
By designing a faulty arc detector test fixture, and using the pull rod and connecting block system to automatically plug the test probe and copper rod, the problems of low testing efficiency and pain in the tester's fingers in the existing technology are solved, and fast and stable testing operations are achieved.
Patent Information
- Application Number
- CN202421078083.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-17
AI Technical Summary
During the testing process, plugging multiple test probes and copper rods takes a lot of time and effort, resulting in inefficient testing and causing pain to the tester's fingers.
A faulty arc detector test fixture is designed, including a base, support frame, positioning test assembly and positioning conveying assembly. By positioning the test rod and connecting block system of the test assembly, the test probe and the test copper rod can be automatically plugged into the connection port of the faulty arc detector.
The test fixture can quickly and stably plug multiple test probes and test copper rods, significantly reducing test time, improving testing efficiency, and reducing labor intensity and pain risks for testers.
Smart Images

Figure CN222719597U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of test fixtures, in particular to a fault arc detector test fixture. Background Art
[0002] An arc fault detector is a device used to detect and protect circuits from arc faults. It is typically installed in electrical systems and monitors current, voltage, and other parameters to detect arc faults. Upon detection, it issues an alarm or takes other measures to protect equipment and personnel. Arc fault detectors are tested during production to ensure they function properly and meet relevant safety standards and requirements. Testing can help identify and correct potential detector issues, thereby improving their reliability and stability.
[0003] During the testing process of existing arc fault detectors, the arc fault detector is clamped and positioned using a fixture, and then multiple test probes and copper rods are manually plugged in to test the arc fault detector. This will result in a waste of time and energy to plug in multiple probes and copper rods, and cause pain to the tester's fingers, thereby reducing the efficiency of the test.
[0004] To this end, the utility model proposes a fault arc detector test fixture. Utility Model Content
[0005] The purpose of the utility model is to provide a fault arc detector test fixture in view of the problems existing in the background technology.
[0006] The technical solution of the present utility model is as follows: a fault arc detector test fixture, comprising: a base, the upper surface of the base is provided with a groove, the interior of the groove is provided with a fault arc detector body; a support frame fixedly provided on the upper surface of the base, the support frame is fixedly provided with a group of fixed blocks, the bottom surfaces of the fixed blocks are respectively fixedly provided with guide rods, the lower ends of the guide rods are fixedly connected to the base; a positioning test component fixedly provided on one side of the support frame for performing a positioning test on the fault arc detector body; a positioning conveying component provided inside the groove for limiting the transmission of the fault arc detector body, and the positioning conveying component is located below the fault arc detector body.
[0007] Optionally, the positioning test assembly includes a mounting seat fixedly arranged on one side of the groove, the lower end of the mounting seat is fixedly connected to a guide sleeve, a pull rod is movably arranged on the mounting seat, and limit blocks are fixedly arranged on both sides of the pull rod, a connecting block is movably arranged on the pull rod, the lower end of the connecting block is movably connected to a connecting rod, the connecting rod is movably sleeved with the guide sleeve, the lower end of the connecting rod is fixedly connected to a pressure plate, the bottom of the pressure plate is respectively provided with multiple groups of test probes and test copper rods, the bottom of the pressure plate is fixedly connected with a sleeve block, and the mounting seat is movably sleeved with the guide rod.
[0008] Optionally, the positioning and conveying assembly includes a group of guide rails fixedly arranged inside the groove, and the opposite surfaces of the guide rails are respectively provided with slide grooves, and sliders are provided inside the slide grooves for sliding movement, a fixed plate is fixed between the sliders, a clamping plate is fixedly provided on the upper surface of the fixed plate, a hole groove is provided on one side of the clamping plate, and a sliding block is movably provided inside the hole groove, one end of the sliding block is fixedly connected to a light rod, and a spring is sleeved on the outer wall of the light rod, one end of the spring is fixedly connected to the clamping plate, and the other end of the spring is fixedly connected to the sliding block, one end of the spring is fixedly connected to the connecting plate, and a group of clamping blocks are fixedly provided on the upper side of the connecting plate.
[0009] Optionally, a first magnet is embedded in the inner wall of the groove, and a second magnet corresponding to the first magnet is embedded in one side of the clamping plate.
[0010] Optionally, the linkage block is arranged in an arc-shaped structure.
[0011] Optionally, a handle is fixedly provided on one side of the fixing plate and the clamping block respectively.
[0012] Optionally, the slide groove and the slider are arranged in a "convex" shaped structure.
[0013] Compared with the prior art, the present invention has the following beneficial technical effects:
[0014] The utility model places the arc fault detector body just below the pressure plate, and aligns the test probe and the test copper rod at the bottom of the pressure plate with the connection port on the arc fault detector body. Then, the pull rod is manually pulled downward, and the pull rod drives the limit block to push the linkage block to move. The linkage block drives the linkage rod to move vertically downward on the inner wall of the guide sleeve. The linkage rod drives the test probe and the test copper rod at the bottom of the pressure plate to be inserted into the connection port on the arc fault detector body. At the same time, the pressure plate drives the sleeve block to slide vertically on the outer wall of the fixed block, thereby improving the stability of the vertical movement of the test probe and the test copper rod, and can easily insert multiple test probes and test copper rods into the corresponding connection ports at the same time, reducing the test time, thereby improving the test efficiency, and at the same time the arc fault detector body is positioned, which can improve the test accuracy and reduce the labor degree of the tester.
[0015] Furthermore, the utility model manually pulls the handle on the connecting plate, so that the connecting plate drives the sliding block to slide inside the hole groove through the light rod. During the sliding process of the hole groove, the pushing spring is squeezed, and the fault arc detector body is placed on the upper surface of the clamping plate. Then the handle on the guide rail is released, and the elastic force of the spring pushes the connecting plate to reset, so that the connecting plate drives the clamping block to fit tightly against the side of the fault arc detector body, thereby clamping and positioning the fault arc detector body. Then, the handle on the fixed plate is manually pulled to make the sliders on both sides of the fixed plate slide horizontally in the slide groove, which can transport the fault arc detector body and facilitate the removal and placement of the fault arc detector body, thereby improving the accuracy and efficiency of the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A schematic structural diagram of a test fixture for an arc fault detector is provided in the present invention;
[0017] Figure 2 Give the utility model Figure 1 A schematic diagram of the upward-looking structure of the central positioning test assembly;
[0018] Figure 3 Give the utility model Figure 1 A schematic diagram of the top view of the central positioning and conveying assembly;
[0019] Figure 4 Give the utility model Figure 3 Schematic diagram of the internal cross-sectional structure of the positioning conveying component.
[0020] Reference numerals:
[0021] 1. Base; 2. Groove; 3. Arc fault detector body; 4. Support frame; 5. Fixing block; 6. Guide rod;
[0022] 7. Positioning test assembly; 701. Mounting seat; 702. Guide sleeve; 703. Pull rod; 704. Limit block; 705. Linking block; 706. Linking rod; 707. Pressing plate; 708. Test probe; 709. Test copper rod; 710. Bushing block;
[0023] 8. Positioning and conveying assembly; 801. Guide rail; 802. Slide; 803. Slider; 804. Fixing plate; 805. Clamping plate; 806. Hole slot; 807. Sliding block; 808. Polished rod; 809. Spring; 810. Connecting plate; 811. Clamping block;
[0024] 9. First magnet; 10. Second magnet; 11. Handle. DETAILED DESCRIPTION
[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention 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. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0026] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The drawings illustrate several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.
[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0029] Example
[0030] like Figure 1As shown, the utility model proposes a fault arc detector test fixture, comprising: a base 1, the upper surface of the base 1 is provided with a groove 2, the interior of the groove 2 is provided with a fault arc detector body 3, and the groove 2 can be provided with multiple, multiple fault arc detector bodies 3 can be placed at the same time, which is convenient for testing multiple fault arc detector bodies 3 at the same time, thereby improving the test efficiency; a support frame 4 fixedly provided on the upper surface of the base 1, a group of fixed blocks 5 are fixedly provided on the support frame 4, and the fixed blocks 5 are symmetrically provided, and the bottom surfaces of the fixed blocks 5 are respectively fixedly provided with guide rods 6, and the lower ends of the guide rods 6 are connected to the The base 1 is fixedly connected, which can make the guide rod 6 more stable; the positioning test component 7 fixedly arranged on one side of the support frame 4 for positioning the arc fault detector body 3 can simultaneously position and test the arc fault detector body 3, thereby improving the test quality and efficiency; the positioning conveying component 8 for limiting the transmission of the arc fault detector body 3 is arranged inside the groove 2, and the positioning conveying component 8 is located below the arc fault detector body 3, which is convenient for positioning and transmitting the arc fault detector body 3, and convenient for taking and placing the arc fault detector body 3, thereby improving the test efficiency.
[0031] like Figure 1 and Figure 2 As shown, the positioning test assembly 7 includes a mounting base 701 fixedly arranged on one side of the groove 2 by bolts, the lower end of the mounting base 701 is fixedly connected to a guide sleeve 702, a pull rod 703 is movably arranged on the mounting base 701 through a shaft, one end of the pull rod 703 is sleeved with a rubber sleeve to protect the operator's hands during operation, and limited blocks 704 are fixedly arranged on both sides of the pull rod 703, and the limited blocks 704 are symmetrically arranged, a connecting block 705 is movably arranged on the pull rod 703 through a shaft, and the lower end of the connecting block 705 is movably connected to a connecting rod 706 through a shaft, and the connecting rod 70 6 is movably connected to the guide sleeve 702, which can improve the stability of the vertical movement of the connecting rod 706. The lower end of the connecting rod 706 is fixedly connected to a pressure plate 707. The bottom of the pressure plate 707 is respectively provided with multiple groups of test probes 708 and test copper rods 709, and each group of test probes 708 and test copper rods 709 is provided with eight, which can correspond to the connection port at the upper end of the fault arc detector body 3. The bottom of the pressure plate 707 is fixedly connected to a sleeve block 710, and the mounting seat 701 is movably connected to the guide rod 6, which can improve the stability of the vertical movement of the test probes 708 and the test copper rod 709.
[0032] like Figure 1 、 Figure 3 and Figure 4As shown, the positioning and conveying assembly 8 includes a set of guide rails 801 fixedly arranged inside the groove 2, and the guide rails 801 are symmetrically arranged. The opposite surfaces of the guide rails 801 are respectively provided with slide grooves 802, and sliders 803 are slidingly arranged inside the slide grooves 802. A fixed plate 804 is fixedly arranged between the sliders 803 to facilitate guiding the fixed plate 804 and make its movement more stable. A clamping plate 805 is fixedly arranged on the upper surface of the fixed plate 804, and the clamping plate 805 is an "L"-shaped structure. A hole groove 806 is opened on one side of the clamping plate 805, and the hole groove 806 has at least two holes. A sliding block 807 is movably provided inside the groove 806, and one end of the sliding block 807 is fixedly connected to a light rod 808, and a spring 809 is sleeved on the outer wall of the light rod 808. One end of the spring 809 is fixedly connected to the clamping plate 805, and the other end of the spring 809 is fixedly connected to the sliding block 807, which can reset the clamping plate 805. One end of the spring 809 is fixedly connected to a connecting plate 810, and a group of clamping blocks 811 are fixedly provided on the upper side of the connecting plate 810, which is convenient for clamping and positioning the fault arc detector body 3, making it more stable during transportation, thereby improving the accuracy of the test.
[0033] Furthermore, a first magnet 9 is embedded in the inner wall of the groove 2, and a second magnet 10 corresponding to the first magnet 9 is embedded in one side of the card plate 805, and the first magnet 9 and the second magnet 10 can adsorb each other, thereby positioning the card plate 805, thereby improving the accuracy of the test.
[0034] Secondly, the linkage block 705 is arranged in an arc-shaped structure, which makes it easy for the limit block 704 to push the linkage block 705 to move downward, so that the pressure plate 707 presses down the arc fault detector body 3 to limit it.
[0035] Furthermore, a handle 11 is fixedly provided on one side of the fixing plate 804 and the clamping block 811 to facilitate manual pulling.
[0036] In addition, the slide groove 802 and the slider 803 are arranged in a "convex" shape, which can make the connection between the guide rail 801 and the fixed plate 804 more stable, and at the same time make the horizontal movement of the fixed plate 804 more stable.
[0037] The working principle of this embodiment is as follows: First, pull the handle 11 on the side of the connecting plate 810, causing the connecting plate 810 to drive the sliding block 807 to slide inside the hole 806 via the polished rod 808. The sliding process of the hole 806 pushes the spring 809 to contract. Then, place the arc fault detector body 3 on the upper surface of the clamping plate 805, and then release the handle 11 on the side of the connecting plate 810. The elastic force of the spring 809 pushes the sliding block 807 to slide inside the hole 806. The sliding block 807 drives the clamping block 811 on the connecting plate 810 to reset via the polished rod 808, causing the clamping block 811 to push the side of the arc fault detector body 3, thereby positioning the arc fault detector body 3.
[0038] Furthermore, the handle 11 on one side of the fixed plate 804 is manually pushed, and the fixed plate 804 drives the slider 803 to slide horizontally inside the slide groove 802. At the same time, the fixed plate 804 drives the second magnet 10 on the clamping plate 805 to move horizontally, so that the second magnet 10 and the first magnet 9 inside the groove 2 attract each other, and the fault arc detector body 3 is positioned directly below the pressure plate 707. The fault arc detector body 3 can be transported, which facilitates the taking and placing of the fault arc detector body 3, thereby improving the accuracy and efficiency of the test.
[0039] Furthermore, the pull rod 703 is manually pulled downward, and the pull rod 703 drives the limit block 704 to push the connecting block 705 to move, and the connecting block 705 drives the connecting rod 706 to slide vertically downward inside the guide sleeve 702, and the connecting rod 706 drives the pressure plate 707 to move vertically downward, and the pressure plate 707 drives multiple groups of test probes 708 and test copper rods 709 to move vertically downward, so that they are stably inserted into the connection port on the upper surface of the fault arc detector body 3 at the same time, and at the same time, the pressure plate 707 drives the sleeve block 710 to slide vertically downward on the outer wall of the fixed block 5, further improving the stability of the vertical movement of the pressure plate 707, and can easily insert multiple test probes 708 and test copper rods 709 into the corresponding connection ports at the same time, reducing the test time, thereby improving the test efficiency, and at the same time positioning the fault arc detector body 3, which can improve the accuracy of the test and reduce the labor intensity of the tester.
[0040] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art may make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A fault arc detector test fixture, characterized in that: include: A base (1), wherein a groove (2) is provided on the upper surface of the base (1), and a fault arc detector body (3) is arranged inside the groove (2); A support frame (4) is fixedly arranged on the upper surface of the base (1), a group of fixed blocks (5) are fixedly arranged on the support frame (4), guide rods (6) are fixedly arranged on the bottom surfaces of the fixed blocks (5), and the lower ends of the guide rods (6) are fixedly connected to the base (1); A positioning test assembly (7) fixedly arranged on one side of the support frame (4) and used for performing a positioning test on the arc fault detector body (3); A positioning and conveying assembly (8) is arranged inside the groove (2) and is used for limiting and conveying the arc fault detector body (3), and the positioning and conveying assembly (8) is located below the arc fault detector body (3).
2. The arc fault detector test fixture according to claim 1, characterized in that: The positioning test assembly (7) comprises a mounting seat (701) fixedly arranged on one side of the groove (2); the lower end of the mounting seat (701) is fixedly connected to a guide sleeve (702); a pull rod (703) is movably arranged on the mounting seat (701); limit blocks (704) are fixedly arranged on both sides of the pull rod (703); a linkage block (705) is movably arranged on the pull rod (703); the lower end of the linkage block (705) is fixedly connected to the guide sleeve (702); a pull rod (703) is movably arranged on the mounting seat (701); a limit block (704) is fixedly arranged on both sides of the pull rod (703); a linkage block (705) is movably arranged on the pull rod (703); The end is movably connected with a connecting rod (706), the connecting rod (706) is movably sleeved with the guide sleeve (702), the lower end of the connecting rod (706) is fixedly connected with a pressing plate (707), the bottom of the pressing plate (707) is respectively provided with a plurality of groups of test probes (708) and test copper rods (709), the bottom of the pressing plate (707) is fixedly connected with a sleeve block (710), and the mounting seat (701) is movably sleeved with the guide rod (6).
3. The arc fault detector test fixture according to claim 1, characterized in that: The positioning and conveying assembly (8) comprises a group of guide rails (801) fixedly arranged inside the groove (2), the opposite surfaces of the guide rails (801) are respectively provided with slide grooves (802), the slide grooves (802) are slidably provided with sliders (803), a fixed plate (804) is fixedly arranged between the sliders (803), a clamping plate (805) is fixedly arranged on the upper surface of the fixed plate (804), a hole groove (806) is provided on one side of the clamping plate (805), and the hole groove (806) A sliding block (807) is movably arranged inside the sliding block (807), one end of the sliding block (807) is fixedly connected to a light rod (808), the outer wall of the light rod (808) is sleeved with a spring (809), one end of the spring (809) is fixedly connected to the clamping plate (805), the other end of the spring (809) is fixedly connected to the sliding block (807), one end of the spring (809) is fixedly connected to a connecting plate (810), and a group of clamping blocks (811) are fixedly arranged on the upper side of the connecting plate (810).
4. The arc fault detector test fixture according to claim 3, characterized in that: A first magnet (9) is embedded in the inner wall of the groove (2), and a second magnet (10) corresponding to the first magnet (9) is embedded in one side of the clamping plate (805).
5. The arc fault detector test fixture according to claim 2, characterized in that: The linkage block (705) is arranged in an arc-shaped structure.
6. The arc fault detector test fixture according to claim 3, characterized in that: A handle (11) is fixedly provided on one side of the fixing plate (804) and the clamping block (811), respectively.
7. The arc fault detector test fixture according to claim 3, characterized in that: The slide groove (802) and the slider (803) are arranged in a "convex" shape.