Detection device of automobile detection circuit
By designing guiding and protective components, the wire harness is kept in the middle area of the magnetic core ring, solving the problem of wire harness short circuit detection devices being easily damaged in complex circuit environments, and achieving more efficient and safer detection results.
Patent Information
- Application Number
- CN202422359912.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-09-27
AI Technical Summary
Existing automotive wiring harness short-circuit detection devices are easily damaged in complex wiring environments and cannot keep the wiring harness in the middle area of the magnetic core ring, affecting the detection results.
The guide and protection components work together to keep the circuit in the middle area of the magnetic core ring, and protect the outer periphery of the magnetic core ring with the upper and lower rings to prevent collisions. At the same time, after a short circuit is detected, the circuit is clamped and fixed by the lower arc plate and the inner arc plate, freeing up the hands to perform other operations.
It effectively prevents damage to the magnetic core ring, keeps the wire harness in the middle of the magnetic core ring during the testing process, improves the convenience and safety of testing, and frees up hands to perform other maintenance work.
Smart Images

Figure CN223449984U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit detection technical field, concretely is a kind of automobile detection circuit detection device. BACKGROUND
[0002] During the use of vehicle, often due to vibration, fixed loosening etc. Lead to electrical device power supply loop short circuit, cause fuse blow, electrical component function failure. And due to the whole vehicle wire harness is spread in every corner, for short-circuit position often cannot be quickly determined, need to borrow the aid of multimeter and other auxiliary tools to investigate. And some electrical components electric power is smaller, it will with other electrical components share a power loop and fuse, when power loop short circuit, also bring certain difficulty to investigation.
[0003] Patent CN218068259U proposes a kind of automobile wire harness short circuit detection device, the jaw of detection clamp is equipped with pulse voltage generating circuit, the jaw is wound with enameled wire winding, the enameled wire winding is electrically connected with first LED indicator, the pulse voltage generating circuit is connected with the both ends of the measured electrified wire harness, the detection clamp locks the short-circuit position on wire harness when the first LED indicator is not bright. Solve the inconvenient problem existing in the short circuit detection of existing automobile wire harness, can improve the convenience and safety of automobile wire harness detection.
[0004] The above scheme has the following disadvantages: in the complex line environment of vehicle, coil movement is easy to collide and rub with other lines, which can easily cause damage to the coil. In addition, when moving along the wire harness, it cannot be guaranteed that the wire harness is always located in the middle area of the coil, which affects the detection result. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the prior art, the utility model aims to provide an automobile detection circuit detection device to solve the problems raised in the background art. The utility model has a novel structure. By cooperating the guide assembly and the protection assembly, the wire is moved along the surface of the line, keeping the line in the middle area of the magnetic core ring. At the same time, the upper ring and the lower ring protect the periphery of the magnetic core ring to prevent the wire from colliding with the magnetic core ring. After finding the short-circuit wire harness, the wire can be clamped on the wire by the lower arc plate and the inner arc plate, and the fixing device, so as to free the hands to solve the circuit problem, making the use more convenient.
[0006] In order to achieve the above object, the utility model is through the following technical scheme to realize: a car detection circuit detection device, including rotation connecting piece, the surface of rotation connecting piece is installed with circuit board and pilot lamp, both sides of the front end of rotation connecting piece is installed with magnetic core ring, and the outer surface of magnetic core ring is wound with enameled wire winding, the rear end of rotation connecting piece is installed with two handle, and handle is connected with corresponding magnetic core ring, both sides of rotation connecting piece are equipped with protection assembly, protection assembly includes upper ring and lower ring, both sides of upper ring and lower ring are equipped with two groups, and upper ring and lower ring are located both sides of magnetic core ring, the center of upper ring and lower ring is equipped with guide assembly, guide assembly includes inner arc plate, the bottom of inner arc plate is equipped with lower arc plate, the center of inner arc plate and lower arc plate is in the same position.
[0007] Further, the protection assembly further includes a fixed block, the two sides of the rotating connecting piece are fixed with the fixed block, and the surface of the fixed block is fixed with an arc frame, the both ends of the arc frame are provided with a slot, and the upper ring and the lower ring are respectively inserted into the slot.
[0008] Further, the two groups of upper rings and the two groups of lower rings are fixed with a connecting plate at one end away from the arc frame.
[0009] Further, the upper ring and the lower ring are arranged in a staggered manner, the two groups of upper rings are located on the inner side, and the two groups of lower rings are located on the outer side of the upper ring.
[0010] Further, the guide assembly further includes an outer arc plate, the outer side of the inner arc plate is provided with an outer arc plate of the same specification, and the lower arc plate is slidingly inserted into the inner side of the outer arc plate, one side of the inner arc plate is fixed with a fixed plate, and the other end of the fixed plate is fixed on the surface of the arc frame.
[0011] Further, the bottom of the lower arc plate is fixed with a telescopic rod, and the other end of the telescopic rod is fixed on the inner surface of the lower ring.
[0012] Further, the top of the inner arc plate is rotatably installed with an adjusting screw through a bearing, and a threaded hole plate is threadedly connected to the surface of the adjusting screw, and the threaded hole plate is fixedly connected to the top of the outer arc plate.
[0013] Further, the upper ring, the lower ring, the outer arc plate, the inner arc plate, the lower arc plate and the adjusting screw are all made of insulating plastic material.
[0014] The utility model has the advantages of:
[0015] 1. When the lower ring is retracted and rotated along the slot of the arc frame, the telescopic rod will retract the lower arc plate into the inner side of the outer arc plate, thereby releasing the wrapping and clamping effect of the inner arc plate and the lower arc plate on the cable, and facilitating the separation of the device from the line environment.
[0016] 2. The utility model discloses a rotation adjusting screw, and the screw hole plate and adjusting screw thread cooperation drive outer arc plate vertical movement, and the lower arc plate moves synchronously through telescopic rod extension, and the interval between inner arc plate and lower arc plate inner wall is small, can be applicable to the line of different thickness and is wrapped for use, and the lower arc plate and inner arc plate are in sliding contact with the upper and lower surfaces of the cable in the detection stage, and the device is convenient along the surface of the wire harness and keeps the wire harness in the middle position of the magnetic core ring.
[0017] 3. The utility model discloses in the fixed stage, and the lower arc plate and inner arc plate cooperation are held fixed to the upper and lower ends of the wire harness through the adjusting screw, and the hand is convenient to free, and other checks or circuit maintenance are carried out.
[0018] 4. The utility model discloses that the upper ring and lower ring can be directly pulled out from the inside of the arc frame and wrapped in the top and bottom of the magnetic core ring through the connecting plate, when the magnetic core ring moves along the surface of the wire harness, the wire harness in the vicinity is blocked by the upper ring and lower ring and cannot contact the magnetic core ring, thereby avoiding the damage of the magnetic core ring, when withdrawing, the upper ring and lower ring are moved along the arc frame, and the wrapping effect is released, and the device is convenient to take out from the circuit environment.
[0019] 5. The utility model discloses relative to prior art, through the cooperation of the guide assembly and the protection assembly, along the surface of the circuit and moves, keeps the circuit in the middle area of the magnetic core ring, and the upper ring and lower ring protect the periphery of the magnetic core ring, prevent the circuit from colliding with the magnetic core ring, after finding the short circuit wire harness, can be held on the circuit through the lower arc plate and inner arc plate, and the device is fixed, thereby freeing both hands to solve the circuit problem, and the use is more convenient. DRAWINGS
[0020] Fig. 1 It is the whole structure schematic diagram of the utility model discloses a kind of automobile detection circuit detection device;
[0021] Fig. 2 It is the upper ring and lower ring misplacement distribution schematic diagram of the utility model discloses a kind of automobile detection circuit detection device;
[0022] Fig. 3 It is the protection assembly and guide assembly connection schematic diagram of the utility model discloses a kind of automobile detection circuit detection device;
[0023] Fig. 4 It is the guide assembly structure schematic diagram of the utility model discloses a kind of automobile detection circuit detection device.
[0024] In the figure: 1. Rotating connector; 11. Handle; 12. Magnetic core ring; 13. Enameled wire winding; 2. Protective assembly; 21. Upper ring; 22. Lower ring; 23. Arc frame; 24. Slot; 25. Fixing block; 26. Connecting plate; 3. Guide assembly; 31. Inner arc plate; 32. Outer arc plate; 33. Lower arc plate; 34. Telescopic rod; 35. Fixing plate; 36. Screw hole plate; 37. Adjusting screw. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] See also Figs. 1 to 4 The utility model provides a technical solution: a vehicle detection circuit detection device, comprising a rotating connection 1, a circuit board and an indicator light are installed on the surface of the rotating connection 1, a magnetic core ring 12 is installed on both the upper and lower sides of the front end of the rotating connection 1, and an enameled wire winding 13 is wound on the outer surface of the magnetic core ring 12, two handles 11 are installed on the rear end of the rotating connection 1, and the handles 11 are connected to the corresponding magnetic core ring 12, protective components 2 are provided on both sides of the rotating connection 1, the protective components 2 include an upper ring 21 and a lower ring 22, the upper ring 21 and the lower ring 22 are each provided with two groups, and the upper ring 21 and the lower ring 22 are located on both sides of the magnetic core ring 12, a guide component 3 is provided at the center of the upper ring 21 and the lower ring 22, the guide component 3 includes an inner arc plate 31, the bottom of the inner arc plate 31 is provided with a lower arc plate 33, the inner arc plate The centers of the circles 31 and the lower arc plate 33 are at the same position. The specific principles of the magnetic core ring 12, the enameled wire winding 13, and the circuit board and indicator light on the rotating connector 1 of this device refer to patent CN218068259U: a pulse voltage generating circuit is provided in the jaws of the detection pliers, the enameled wire winding 13 is electrically connected to the indicator light, and the pulse voltage generating circuit is connected to both ends of the wire harness to be tested. When the indicator light is not on, the short-circuit position on the harness is locked. The electrical connection method of the magnetic core ring 12, the circuit board and the indicator light inside the device is the same as that of the reference patent. When using this device, the handle 11 is used to wrap the two magnetic core rings 12 around the periphery of the wire harness to be tested, the protective component is wrapped around the periphery of the magnetic core ring 12, and the guide component 3 is sleeved on the surface of the wire harness to keep the wire harness in the middle position of the magnetic core ring 12. The device is then moved along the surface of the wire harness to perform wire harness short-circuit fault detection.
[0027] The protection assembly 2 further comprises a fixed block 25, the rotating connecting piece 1 is fixed with the fixed block 25 on both sides, and an arc frame 23 is fixed on the surface of the fixed block 25; the arc frame 23 is provided with a slot 24 at both ends, and the upper ring 21 and the lower ring 22 are respectively inserted into the slot 24; one end of the two groups of upper rings 21 and the two groups of lower rings 22 away from the arc frame 23 is fixed with a connecting plate 26; the upper ring 21 and the lower ring 22 are arranged in a staggered manner, the two groups of upper rings 21 are located on the inner side, and the two groups of lower rings 22 are located on the outer side of the upper ring 21; the upper ring 21 and the lower ring 22 can be directly pulled out from the inside of the arc frame 23 through the connecting plate 26 to wrap the top and bottom of the magnetic core ring 12; when the magnetic core ring 12 moves along the surface of the wire bundle, the nearby wire bundle will be blocked by the upper ring 21 and the lower ring 22 and cannot contact the magnetic core ring 12, thereby avoiding damage to the magnetic core ring 12; when retracted, the upper ring 21 and the lower ring 22 are moved along the arc frame 23 to release the wrapping effect, facilitating the device to be taken out from the wire environment.
[0028] In this embodiment, the guide assembly 3 further comprises an outer arc plate 32, the outer side of the inner arc plate 31 is provided with an outer arc plate 32 of the same specification, and the lower arc plate 33 is slidingly inserted into the inside of the outer arc plate 32; one side of the inner arc plate 31 is fixed with a fixed plate 35, and the other end of the fixed plate 35 is fixed on the surface of the arc frame 23; the bottom of the lower arc plate 33 is fixed with a telescopic rod 34, and the other end of the telescopic rod 34 is fixed on the inner surface of the lower ring 22; the top of the inner arc plate 31 is rotatably installed with an adjusting screw 37 through a bearing, and a threaded hole plate 36 is threadedly connected to the surface of the adjusting screw 37; the threaded hole plate 36 is fixedly connected to the top of the outer arc plate 32; because the lower arc plate 33 is connected to the lower ring 22 through the telescopic rod 34, when the lower ring 22 is retracted and rotated along the slot 24 of the arc frame 23, the telescopic rod 34 will pull the lower arc plate 33 to retract into the inner arc plate 32, thereby releasing the wrapping and clamping effect of the inner arc plate 31 and the lower arc plate 33 on the wire, facilitating the device to be separated from the wire environment; rotating the adjusting screw 37, the threaded hole plate 36 threadedly cooperates with the adjusting screw 37 to vertically move the outer arc plate 32, and at the same time, the lower arc plate 33 moves synchronously through the telescopic rod 34, the distance between the inner arc plate 31 and the inner wall of the lower arc plate 33 becomes smaller, which can be applied to wire wrapping of different thicknesses; in the detection stage, the lower arc plate 33 and the inner arc plate 31 are in sliding contact with the upper and lower surfaces of the wire, facilitating the device to walk along the surface of the wire bundle and keeping the wire bundle in the middle position of the magnetic core ring 12; in the fixing stage, the lower arc plate 33 and the inner arc plate 31 are cooperated to clamp and fix the upper and lower ends of the wire bundle through the adjusting screw 37, facilitating the hands to be released for other inspections or line maintenance.
[0029] The upper ring, the lower ring, the outer arc plate 32, the inner arc plate 31, the lower arc plate 33 and the adjusting screw 37 are all made of insulating plastic material, and most of the structures of the guiding assembly 3 and the protection assembly are made of insulating plastic material, so as to avoid interference with the magnetic field generated by the magnetic core ring 12.
[0030] When the device is used, the two magnetic core rings 12 are wrapped around the peripheral of the wire harness to be detected by the handle 11, and the upper ring 21 and the lower ring 22 can be directly pulled out from the inside of the arc frame 23 to wrap the top and bottom of the magnetic core ring 12 through the connecting plate 26, when the magnetic core ring 12 moves along the surface of the wire harness, the nearby wire harness is blocked by the upper ring 21 and the lower ring 22 and cannot contact the magnetic core ring 12, so as to avoid damage to the magnetic core ring 12, when the device is retracted, the upper ring 21 and the lower ring 22 are moved along the arc frame 23 to release the wrapping effect, so as to facilitate the device to be taken out from the line environment, the wire harness is kept in the middle position of the magnetic core ring 12, then the device moves along the surface of the wire harness to detect the short circuit fault of the wire harness, when the lower ring 22 is retracted and rotated along the slot 24 of the arc frame 23, the telescopic rod 34 pulls the lower arc plate 33 to retract into the inner arc plate 32, so as to release the wrapping and clamping effect of the inner arc plate 31 and the lower arc plate 33 on the wire harness, facilitating the device to be separated from the line environment, the adjusting screw 37 is rotated, the screw hole plate 36 is screwed with the adjusting screw 37 to drive the outer arc plate 32 to move vertically, at the same time, the lower arc plate 33 moves synchronously by the extension of the telescopic rod 34, the distance between the inner arc plate 31 and the inner wall of the lower arc plate 33 becomes smaller, so as to be applicable to wrapping lines of different thicknesses, in the detection stage, the lower arc plate 33 and the inner arc plate 31 slide in contact with the upper and lower surfaces of the wire harness, facilitating the device to walk along the surface of the wire harness, and keeping the wire harness in the middle position of the magnetic core ring 12, in the fixing stage, the lower arc plate 33 and the inner arc plate 31 are clamped and fixed on the upper and lower ends of the wire harness by the adjusting screw 37, facilitating the hands to be released to perform other inspections or line maintenance.
[0031] The basic principle and main features of the device and the advantages of the device are shown and described above, and it is obvious for those skilled in the art that the device is not limited to the details of the above exemplary embodiments, and the device can be realized in other specific forms without departing from the spirit or basic features of the device.
[0032] In addition, it should be understood that although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by those skilled in the art.
Claims
1. An automobile detection circuit detection device, comprising a rotating connecting member (1), characterized in that: A circuit board and an indicator light are mounted on the surface of the rotating connector (1). Magnetic core rings (12) are mounted on both upper and lower sides of the front end of the rotating connector (1), and an enameled wire winding (13) is wound around the outer surface of the magnetic core ring (12). Two handles (11) are mounted on the rear end of the rotating connector (1), and the handles (11) are connected to the corresponding magnetic core rings (12). Protective components (2) are provided on both sides of the rotating connector (1), and the protective components (2) include The invention comprises an upper ring (21) and a lower ring (22), wherein the upper ring (21) and the lower ring (22) are each provided with two groups, and the upper ring (21) and the lower ring (22) are located on both sides of the magnetic core ring (12), and a guide assembly (3) is provided at the center of the upper ring (21) and the lower ring (22), and the guide assembly (3) includes an inner arc plate (31), and a lower arc plate (33) is provided at the bottom of the inner arc plate (31), and the centers of the inner arc plate (31) and the lower arc plate (33) are at the same position.
2. The automobile detection circuit detection device according to claim 1, characterized in that: The protective assembly (2) further comprises a fixed block (25), the fixed blocks (25) being fixed on both sides of the rotating connector (1), and an arc frame (23) being fixed on the surface of the fixed block (25), slots (24) being provided at both ends of the arc frame (23), and the upper ring (21) and the lower ring (22) being respectively inserted into the slots (24).
3. The automobile detection circuit detection device according to claim 2, characterized in that: A connecting plate (26) is fixed to one end of the two groups of upper rings (21) and the two groups of lower rings (22) away from the arc frame (23).
4. The automobile detection circuit detection device according to claim 3 is characterized in that: The upper rings (21) and the lower rings (22) are staggered, with the two groups of upper rings (21) located on the inner side and the two groups of lower rings (22) located on the outer side of the upper rings (21).
5. The automobile detection circuit detection device according to claim 4, characterized in that: The guide assembly (3) further comprises an outer arc plate (32), an outer arc plate (32) of the same specification is provided on the outer side of the inner arc plate (31), and the lower arc plate (33) is slidably plugged into the inner side of the outer arc plate (32), a fixed plate (35) is fixed on one side of the inner arc plate (31), and the other end of the fixed plate (35) is fixed on the surface of the arc frame (23).
6. The automobile detection circuit detection device according to claim 5, characterized in that: A telescopic rod (34) is fixed to the bottom of the lower arc plate (33), and the other end of the telescopic rod (34) is fixed to the inner surface of the lower ring (22).
7. The automobile detection circuit detection device according to claim 6, characterized in that: An adjusting screw (37) is rotatably mounted on the top of the inner arc plate (31) via a bearing, and a screw hole plate (36) is threadedly sleeved on the surface of the adjusting screw (37), and the screw hole plate (36) is fixedly connected to the top of the outer arc plate (32).
8. The automobile detection circuit detection device according to claim 7, characterized in that: The upper ring (21), the lower ring (22), the outer arc plate (32), the inner arc plate (31), the lower arc plate (33) and the adjusting screw (37) are all made of insulating plastic material.