Electrical secondary circuit defect detection device

Abstract

The utility model provides an electrical secondary circuit defect detection device, which relates to the field of electrical circuit defect detection, and comprises a detection needle and a handle convenient for carrying the detection needle to move, and also comprises an elastic clamp made of an insulating material, one clamping piece of the elastic clamp is fixedly connected with the handle, and the detection needle is fixedly connected to the inner side of the elastic clamp; through the arrangement of the handle, the detection needle and the elastic clamp, the handle can be directly operated to enable the detection needle to sequentially abut against each pin of a circuit board for detection during use, and when voltage or current abnormity is found in the detection process, the elastic clamp can be clamped on the pins of the circuit board, so that the detection needle or the lower contact abuts against the pins of the circuit board for fixed detection. And meanwhile, the conductive part on the elastic metal sheet can be used for being in contact with the circuit board pin for fixed detection, so that the hand of the operator can be separated from the handle to debug the equipment, and the convenience of operating the detection pin by the operator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical circuit defect detection technical field, concretely is a kind of electrical secondary circuit defect detection device. BACKGROUND

[0002] Secondary equipment refers to the low-voltage electrical equipment required for monitoring, controlling, adjusting, protecting the work of primary equipment, and providing operation condition or production command signal for operation and maintenance personnel, such as fuse, control switch, relay, control cable, etc. The electrical circuit formed by the connection of secondary equipment to monitor, control, adjust and protect the primary equipment is called secondary circuit or secondary wiring system.

[0003] The electrical secondary circuit defect detection is often detected by using multimeter. Currently, when the multimeter is used to contact test the circuit board, the operator needs to hold the detection pen to detect the multiple pins on the circuit board one by one. When the voltage or current is found to be abnormal during the detection process, the operator needs to debug the operation equipment. At this time, if the operator debugs, the detection pen needs to be put down for debugging and then re-operated for testing. The detection pen cannot be fixed on the circuit board for timely debugging and observation, and it is very inconvenient to operate back and forth. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an electrical secondary circuit defect detection device to solve the problems raised in the background art.

[0005] TECHNICAL SCHEME

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: an electrical secondary circuit defect detection device, comprising a detection needle and a handle for conveniently moving the detection needle, further comprising an elastic clamp made of insulating material, one of the clamping pieces of the elastic clamp is fixedly connected with the handle, the detection needle is fixedly connected to the inner side of the elastic clamp, and a conductive wire passes through the handle and extends to the inner side of the elastic clamp and is electrically connected with the detection needle.

[0007] Further, the detection needle is fixedly connected to the inner side of one of the clamping pieces fixedly connected with the handle.

[0008] Further, the detection needle is fixedly connected with a lower contact head in the direction close to the freely movable clamping piece.

[0009] Further, a through slot is formed in the clamping piece of the elastic clamp, the inner side of the clamping piece of the elastic clamp is fixedly connected with one end of an elastic metal sheet, the movable end of the elastic metal sheet is movably arranged in the inner side of the through slot, and in the natural state, the conductive part of the elastic metal sheet is located in the inner side of the through slot.

[0010] Further, the conductive wire is electrically connected with the fixed end of the elastic metal sheet in the elastic clamp.

[0011] Further, the clamping sheet of the elastic clamp is slidably connected with a pressing plate, and the pressing plate is used for pushing the elastic sheet to deform in the through slot to make the conductive part conduct electricity.

[0012] The utility model discloses beneficial effect lies in:

[0013] The electrical secondary circuit defect detection device, through setting handle, detection needle and elastic clamp, when using, can directly operate handle and make detection needle detect in turn and touch each pin of circuit board, when discovering voltage or current anomaly in the detection process, can hold elastic clamp on the pin of circuit board, make detection needle or lower contact head touch the pin on the circuit board and fix detection, can also make the conductive part on the elastic sheet contact circuit board pin and fix detection through using, make operator hand can separate from handle and debug the equipment, improve the convenience of operator operation detection needle detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structure schematic diagram of the utility model;

[0015] Figure 2 It is structure schematic diagram of elastic clamp clamping sheet of the utility model;

[0016] Figure 3 It is detection needle structure schematic diagram of the utility model;

[0017] Figure 4 It is structure schematic diagram of elastic sheet of the utility model.

[0018] Among them, 1, detection needle;2, handle;3, elastic clamp;4, lower contact head;5, through slot;6, elastic sheet;7, pressing plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Reference Figures 1-4 An electrical secondary circuit defect detection device, comprising a detection needle 1 and a handle 2 for facilitating the movement of the detection needle 1, and an elastic clamp 3 made of insulating material, one clamping sheet of the elastic clamp 3 is fixedly connected with the handle 2, the detection needle 1 is fixedly connected to the inner side of the elastic clamp 3, and a conductive wire passes through the handle 2 and extends to the inner side of the elastic clamp 3 and is electrically connected with the detection needle 1.

[0021] In the scheme: through the setting of the detection needle 1 and the elastic clamp 3, when the operator detects each pin on the circuit board in turn, if the circuit voltage or current is found to be abnormal, the elastic clamp 3 can be directly clamped on the circuit board, and the detection needle 1 is fixed on the pin of the circuit board, so that the operator's hand can be separated from the handle 2 to operate the equipment, reducing the process of repeatedly operating the handle 2 and the detection needle 1 to touch the pin of the circuit board for detection, and improving the convenience of the operator operating the detection needle 1 for detection.

[0022] In an optional embodiment, the detection needle 1 is fixedly connected inside one of the clamping pieces fixedly connected with the handle 2.

[0023] In the embodiment: by setting the detection needle 1 inside the clamping piece of the elastic clamp 3, the detection needle 1 and the handle 2 can be kept in a straight line, so that the detection feeling of the handle 2 and the detection needle 1 is kept.

[0024] In an optional embodiment, the detection needle 1 is fixedly connected with the lower contact 4 in the direction close to the freely movable clamping piece.

[0025] In the embodiment: through the setting of the lower contact 4, when the elastic clamp 3 is clamped on the detection equipment of the circuit board, the lower contact 4 can be contacted and detected with the pins of the circuit board in different directions, increasing the contact range of the detection needle 1 on the pins of the circuit board.

[0026] In an optional embodiment, a through slot 5 is formed in the clamping piece of the elastic clamp 3, one end of an elastic metal sheet 6 is fixedly connected with the inside of the clamping piece of the elastic clamp 3, the movable end of the elastic metal sheet 6 is movably arranged inside the through slot 5, and in a natural state, the conductive part of the elastic metal sheet 6 is located inside the through slot 5, the surfaces of the opposite sides of the movable ends of the two elastic metal sheets 6 are provided with metal protrusions for conduction, and the two metal protrusions are in contact with each other after the elastic metal sheet 6 is completely moved out of the through slot 5 by the pressing plate 7.

[0027] In the embodiment: through the setting of the through slot 5, the conductive part in the elastic metal sheet 6 can be accommodated, preventing the conductive part in the elastic metal sheet 6 from being mistakenly touched with the pins on the circuit board when not in use, thereby affecting the detection result.

[0028] In an optional embodiment, the fixed end of the elastic metal sheet 6 in the elastic clamp 3 is electrically connected with the conductive wire.

[0029] In the embodiment: by connecting the elastic metal sheet 6 with the conductive wire, the elastic clamp 3 can directly connect the equipment for detection after clamping the conductive part on the elastic metal sheet 6 on the pin of the circuit board.

[0030] In an optional embodiment, a pressing plate 7 is slidably connected with the clamping piece of the elastic clamp 3, and the pressing plate 7 is used to push the elastic metal sheet 6 to deform in the through slot 5 to make the conductive part conduct electricity.

[0031] In this embodiment: through the setting of the pressing plate 7, the elastic sheet 6 can be pushed to deform so that the conductive part can be removed from the through slot 5 or stored, which is convenient for adjusting the position of the conductive part according to the needs.

[0032] In use, first, the plugs on the conductive wires on the two handles 2 are respectively connected to the multimeter, and then the multimeter is turned on. During the detection process of the secondary equipment, the detection needle 1 is sequentially contacted on each pin of the circuit board by holding the handle 2, if the voltage or current is abnormal, the elastic clamp 3 can be clamped on the circuit board, so that the lower contact 4 is in contact with the corresponding pin, at this time, the operator's hand can be separated from the handle 2 to operate the equipment for debugging, if it is needed to directly contact and detect the circuit board pin through the elastic clamp 3, first push the pressing plate 7, the pressing plate 7 moves forward to extrude the elastic sheet 6, the elastic sheet 6 deforms under the pressure of the pressing plate 7 and moves into the through slot 5, when the elastic sheet 6 completely moves into the through slot 5, the conductive parts on the two elastic sheets 6 are in contact with each other, then the conductive parts are aligned with the corresponding circuit board pins and the elastic clamp 3 is clamped on the circuit board.

[0033] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An electrical secondary circuit defect detection device, comprising a detection needle (1) and a handle (2) for carrying the detection needle (1) and moving it, characterized in that: It also includes an elastic clip (3) made of insulating material, one of the clips of the elastic clip (3) is fixedly connected to the handle (2), the detection needle (1) is fixedly connected to the inside of the elastic clip (3), and the conductive wire passes through the handle (2) and extends to the inside of the elastic clip (3) and is electrically connected to the detection needle (1).

2. The electrical secondary circuit defect detection device according to claim 1, characterized in that: The detection needle (1) is fixedly connected to the inside of one of the clips that is fixedly connected to the handle (2).

3. An electrical secondary circuit defect detection device according to claim 1 or 2, characterized in that: The detection needle (1) is fixedly connected to the lower contact (4) in the direction of the freely movable clamping piece.

4. The electrical secondary circuit defect detection device according to claim 1, characterized in that: The elastic clip (3) has a through groove (5) on its clip. The inner side of the clip of the elastic clip (3) is fixedly connected to one end of the elastic metal sheet (6). The movable end of the elastic metal sheet (6) is movably disposed inside the through groove (5). In its natural state, the conductive part of the elastic metal sheet (6) is located inside the through groove (5).

5. The electrical secondary circuit defect detection device according to claim 4, characterized in that: The conductive wire is electrically connected to the fixed end of the elastic metal sheet (6) in the elastic clamp (3).

6. An electrical secondary circuit defect detection device according to claim 4 or 5, characterized in that: A pressure plate (7) is slidably connected to the clamping plate of the elastic clamp (3). The pressure plate (7) is used to push the elastic metal sheet (6) to move and deform in the through groove (5) so that the conductive part can conduct electricity.

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