A false contact preventing wiring type leakage detector

Abstract

The utility model discloses an anti -misconnection wiring formula leakage detector of leakage detector technical field, including the junction box, fixed block and leakage detector body, fixed block fixed connection in the bottom of junction box, leakage detector body is located the outside of fixed block, the front lateral wall lower side of junction box is opened and arranges from left to right in proper order, the front lateral wall lower left side of junction box is opened first limit hole, the front lateral wall lower side of junction box is opened second limit hole in the middle, the front lateral wall lower right side of junction box is opened third limit hole, the output of leakage detector body is fixedly connected with the collection line pipe, the connecting end of collection line pipe is fixedly connected with the connecting wire, and the tail end of connecting wire is fixedly connected with the plug, this anti -misconnection wiring formula leakage detector, effectively avoids the condition of wiring terminal misplug, guarantees the normal use of leakage detector, effectively reduces the risk of plug drop, and the practicality is strong.

Description

Technical Field

[0001] This utility model relates to the field of leakage current detector technology, specifically a wired leakage current detector designed to prevent misconnection. Background Technology

[0002] In electrical safety protection systems, leakage current detectors are key devices for ensuring the safety of lines, equipment, and personnel. They can monitor potential leakage hazards in electrical circuits in real time, provide timely warnings or cut off faulty circuits, and effectively avoid risks such as electric shock accidents and electrical fires. They are widely used in various power consumption scenarios such as homes, commercial buildings, and industrial sites.

[0003] Existing leakage current detectors adopt a multi-channel detection design. In actual installation, due to dense wiring terminals, unclear markings, and non-standard operation by construction personnel, channel misconnection often occurs, resulting in leakage current alarms not matching the actual fault points, false alarms or missed alarms, which seriously reduces the safety level. To address this, we propose a wiring-type leakage current detector that prevents misconnection. Utility Model Content

[0004] The purpose of this utility model is to provide a leakage current detector that prevents misconnection, in order to solve the problems mentioned in the background art, which are often caused by incorrect connection of channels during actual installation due to dense wiring terminals, unclear markings, and non-standard operation by construction personnel. This results in leakage current alarms not matching the actual fault points, false alarms or missed alarms, and seriously reduces the safety level.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a leakage current detector with anti-misconnection wiring, comprising a connection box, a fixing block, and a leakage current detector body. The fixing block is fixedly connected to the bottom of the connection box, and the leakage current detector body is located outside the fixing block. A wire insertion hole is opened on the lower side of the front side wall of the connection box, arranged sequentially from left to right. A first limiting hole is opened on the lower left side of the front side wall of the connection box, a second limiting hole is opened in the middle of the lower side of the front side wall of the connection box, and a third limiting hole is opened on the lower right side of the front side wall of the connection box. A hub is fixedly connected to the output end of the leakage current detector body, a connecting wire is fixedly connected to the connecting end of the hub, a plug is fixedly connected to the end of the connecting wire, a conductive rod is fixedly connected to the top of the plug, and connecting blocks are fixedly connected to both sides of the outer side wall of the plug. A first limiting member is fixedly connected to the top middle of the left connecting block, a second limiting member is fixedly connected to the top middle of the middle connecting block, and a third limiting member is fixedly connected to the top middle of the right connecting block.

[0006] As a further description of the above technical solution:

[0007] The bottom of the inner cavity of the plug hole has a cable routing hole, and a wire spring is fixedly connected to the inner side wall of the plug hole. The rear end of the wire spring has a connection hole.

[0008] As a further description of the above technical solution:

[0009] The first limiting hole is located on both sides of the left-side insertion hole, the second limiting hole is located on both sides of the middle insertion hole, and the third limiting hole is located on both sides of the right-side insertion hole.

[0010] As a further description of the above technical solution:

[0011] The first limiting hole is square in shape, the second limiting hole is circular in shape, and the third limiting hole is triangular in shape.

[0012] As a further description of the above technical solution:

[0013] The front sidewall of the fixing block has a screw hole, and a fixing member is hinged to the front sidewall of the fixing block. The rear sidewall of the fixing member has a slot, and the right sidewall of the front sidewall of the fixing member has a through hole. A tightening screw is inserted into the inner cavity of the through hole.

[0014] As a further description of the above technical solution:

[0015] The first limiting member is in the shape of a cuboid, the second limiting member is in the shape of a cylinder, and the third limiting member is in the shape of a triangular prism.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This anti-misconnection wiring type leakage current detector features a connection box with insertion holes. Inside the insertion holes are wire springs that electrically connect to the terminal being tested. Three limiting holes—a square, a circular, and a triangular shape—are located on either side of the three insertion holes. Correspondingly, a cuboid first limiting component, a cylindrical second limiting component, and a triangular third limiting component are installed at the plug to limit the connection, effectively preventing incorrect insertion of the wiring terminals and ensuring the normal operation of the leakage current detector.

[0018] 2. This anti-misconnection wired leakage current detector uses a fixing block at the bottom of the connection box. The fixing block has screw holes and hinged fasteners. The connecting wire is fixed near the plug by screwing the screws into the screw holes, which effectively reduces the risk of the plug falling off and is highly practical. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall connection structure of a wired leakage current detector for preventing misconnection proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the connection box structure of a wired leakage current detector for preventing misconnection proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the main body structure of a wired leakage current detector for preventing misconnection proposed in this utility model.

[0022] Figure 4 This is a schematic diagram of the internal structure of the insertion hole of a wire-type leakage current detector for preventing misconnection proposed in this utility model.

[0023] In the diagram: 100, connecting box; 110, plug hole; 111, ribbon cable hole; 112, wire spring; 113, connecting hole; 120, first limiting hole; 130, second limiting hole; 140, third limiting hole; 200, fixing block; 210, screw hole; 220, fixing component; 230, slot; 240, through hole; 250, tightening screw; 300, leakage current detector body; 310, hub pipe; 320, connecting wire; 330, plug; 340, conductive rod; 350, connecting block; 360, first limiting component; 370, second limiting component; 380, third limiting component. 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] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] This utility model provides a wiring-type leakage current detector that prevents incorrect connection of the wiring terminals, effectively avoiding the situation where the terminals are mis-inserted, ensuring the normal use of the leakage current detector, and effectively reducing the risk of the plug coming loose. It is highly practical. Please refer to [link / reference]. Figure 1-4 It includes a connection box 100, a fixing block 200, and a leakage current detector body 300;

[0028] Please refer to it again. Figure 2 The lower side of the front wall of the connecting box 100 has a wire insertion hole 110, which is arranged from left to right. The lower left side of the front wall of the connecting box 100 has a first limiting hole 120, the middle of the lower side of the front wall of the connecting box 100 has a second limiting hole 130, and the lower right side of the front wall of the connecting box 100 has a third limiting hole 140. The wire insertion hole 110 is used to connect and fix the wire spring 112. The first limiting hole 120, the second limiting hole 130 and the third limiting hole 140 are used to limit different plugs 330.

[0029] Please refer to it again. Figure 1-2 The fixing block 200 is fixedly connected to the bottom of the connecting box 100. The fixing block 200 is used to connect the fixing piece 220 to limit the connection line 320.

[0030] Please refer to it again. Figure 1 and Figure 3The output end of the leakage current detector body 300 is fixedly connected to a hub 310, the connection end of the hub 310 is fixedly connected to a connecting wire 320, the end of the connecting wire 320 is fixedly connected to a plug 330, the top of the plug 330 is fixedly connected to a conductive rod 340, the outer sides of the plug 330 are fixedly connected to connecting blocks 350, the top center of the left connecting block 350 is fixedly connected to a first limiting member 360, the top center of the middle connecting block 350 is fixedly connected to a second limiting member 370, and the top center of the right connecting block 350 is fixedly connected to a third limiting member 380. Located outside the fixing block 200, the leakage current detector body 300 is used for leakage current detection, the hub tube 310 is used to wrap and protect the three connecting wires 320, the connecting wires 320 are used to connect the leakage current detector body 300 and the plug 330, the conductive rod 340 is used to insert into the wire spring 112 for conduction, the connecting block 350 is used to connect the plug 330, the first limiting member 360, the second limiting member 370 and the third limiting member 380 are used to distinguish the plugs 330 of different channels and are inserted into the first limiting hole 120, the second limiting hole 130 and the third limiting hole 140 respectively.

[0031] In summary: By setting up a connection box 100, with a wire insertion hole 110 on the connection box 100, and a wire spring 112 inside the wire insertion hole 110 electrically connected to the end being tested, and by setting a first limiting hole 120, a second limiting hole 130, and a third limiting hole 140 on both sides of the three wire insertion holes 110, which are square, round, and triangular respectively, and correspondingly setting a cuboid first limiting member 360, a cylindrical second limiting member 370, and a triangular prism third limiting member 380 at the plug 330 for limiting, the situation of incorrect insertion of the wiring terminals is effectively avoided, ensuring the normal use of the leakage current detector.

[0032] Please refer to it again. Figure 4 The bottom of the inner cavity of the plug hole 110 has a cable routing hole 111, and a wire spring 112 is fixedly connected to the inner side wall of the plug hole 110. The rear end of the wire spring 112 has a connection hole 113.

[0033] Please refer to it again. Figure 1 The first limiting hole 120 is located on both sides of the left insertion hole 110, the second limiting hole 130 is located on both sides of the middle insertion hole 110, and the third limiting hole 140 is located on both sides of the right insertion hole 110.

[0034] Please refer to it again. Figure 2 The first limiting hole 120 is square in shape, the second limiting hole 130 is circular in shape, and the third limiting hole 140 is triangular in shape.

[0035] Please refer to it again. Figure 1The front side wall of the fixing block 200 has a screw hole 210, and the front side wall of the fixing block 200 is hinged with a fixing member 220. The rear side wall of the fixing member 220 has a slot 230, and the right side of the front side wall of the fixing member 220 has a through hole 240. A tightening screw 250 is inserted into the inner cavity of the through hole 240.

[0036] Please refer to it again. Figure 3 The first limiting member 360 is rectangular, the second limiting member 370 is cylindrical, and the third limiting member 380 is triangular.

[0037] In summary: By setting a fixing block 200 at the bottom of the connecting box 100, and setting a screw hole 210 and a hinged fixing member 220 on the fixing block 200, and fixing the connecting wire 320 near the plug 330 by setting a tightening screw 250 and screwing it into the screw hole 210, the risk of the plug 330 falling off is effectively reduced, and the practicality is strong.

[0038] In practical use, those skilled in the art insert the first limiting member 360, the second limiting member 370, and the third limiting member 380 into the first limiting hole 120, the second limiting hole 130, and the third limiting hole 140, respectively. The copper wire welded to the wire spring 112 is connected to the circuit to be monitored. The conductive rod 340 is inserted between the wire spring 112. After deformation, the spring back clamps the conductive rod 340. Tighten the screw 250 to limit and lock the connecting wire 320. Then, start the leakage current detector body 300 to perform detection.

[0039] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0040] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A leakage current detector with anti-misconnection wiring, characterized in that: The device includes a connecting box (100), a fixing block (200), and a leakage current detector body (300). The fixing block (200) is fixedly connected to the bottom of the connecting box (100). The leakage current detector body (300) is located outside the fixing block (200). A wiring hole (110) is opened on the lower side of the front wall of the connecting box (100), arranged sequentially from left to right. A first limiting hole (120) is opened on the lower left side of the front wall of the connecting box (100). A second limiting hole (130) is opened in the middle of the lower side of the front wall of the connecting box (100). A third limiting hole (140) is opened on the lower right side of the front wall of the connecting box (100). The leakage current detector body (300) The output end of the 300 is fixedly connected to a hub tube (310), the connection end of the hub tube (310) is fixedly connected to a connecting wire (320), the end of the connecting wire (320) is fixedly connected to a plug (330), the top of the plug (330) is fixedly connected to a conductive rod (340), the outer sides of the plug (330) are fixedly connected to two connecting blocks (350), the top center of the left connecting block (350) is fixedly connected to a first limiting member (360), the top center of the middle connecting block (350) is fixedly connected to a second limiting member (370), and the top center of the right connecting block (350) is fixedly connected to a third limiting member (380).

2. The leakage current detector with anti-misconnection wiring type according to claim 1, characterized in that: The bottom of the inner cavity of the insertion hole (110) is provided with a cable routing hole (111), and a wire spring (112) is fixedly connected to the inner side wall of the insertion hole (110). The rear end of the wire spring (112) is provided with a connection hole (113).

3. The leakage current detector with anti-misconnection wiring type according to claim 1, characterized in that: The first limiting hole (120) is located on both sides of the left side of the insertion hole (110), the second limiting hole (130) is located on both sides of the middle insertion hole (110), and the third limiting hole (140) is located on both sides of the right side of the insertion hole (110).

4. A leakage current detector with anti-misconnection wiring type according to claim 1, characterized in that: The first limiting hole (120) is square in shape, the second limiting hole (130) is circular in shape, and the third limiting hole (140) is triangular in shape.

5. A leakage current detector with anti-misconnection wiring type according to claim 1, characterized in that: The front sidewall of the fixing block (200) has a screw hole (210), the front sidewall of the fixing block (200) is hinged to a fixing member (220), the rear sidewall of the fixing member (220) has a slot (230), the right sidewall of the front sidewall of the fixing member (220) has a through hole (240), and a tightening screw (250) is inserted into the inner cavity of the through hole (240).

6. A leakage current detector with anti-misconnection wiring type according to claim 1, characterized in that: The first limiting member (360) is in the shape of a cuboid, the second limiting member (370) is in the shape of a cylinder, and the third limiting member (380) is in the shape of a triangular prism.

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