CN223501144U - A leakage current detection device - Google Patents
A leakage current detection deviceInfo
- Publication number
- CN223501144U CN223501144U CN202422793050.1U CN202422793050U CN223501144U CN 223501144 U CN223501144 U CN 223501144U CN 202422793050 U CN202422793050 U CN 202422793050U CN 223501144 U CN223501144 U CN 223501144U
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- rod
- coil
- detection device
- leakage current
- current detection
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Abstract
The utility model discloses an electric leakage detection device which comprises a base, an oscilloscope, a supporting rod and a detection head, wherein the oscilloscope and the supporting rod are arranged on the base, the detection head is connected to the supporting rod, a mounting plate is connected with the supporting rod, an insulating rod is connected with the mounting plate, a fixing seat is connected with the insulating rod, a bidirectional screw rod is rotationally connected with the fixing seat, an induction coil is divided into two parts and is respectively arranged in two coil clamps, the induction coil is connected with the oscilloscope through a wire, an insulating block is fixedly connected to the bottom of the coil clamps, the insulating block is arranged on the base in a sliding manner and is in threaded connection with two sides of the bidirectional screw rod, a driving device is connected with the bidirectional screw rod, and the driving device is used for driving the bidirectional screw rod to rotate. The induction coil can be conveniently sleeved outside a circuit to be detected through the design of the driving device, the bidirectional screw rod and the coil clamp, so that the detection efficiency is improved, and the safety of electric leakage detection is also improved.
Description
Technical Field
The utility model belongs to the technical field of electric power detection, and particularly relates to a leakage detection device.
Background
In the daily work of distribution operation and maintenance, the electric leakage detection work of a low-voltage transformer area is very important. The electric leakage detection is mainly used for safety, electric shock accidents can be caused by electric leakage, and especially in a humid environment, the periodic detection can ensure the safe operation of electric power facilities, so that the electric shock risk is reduced. Meanwhile, electric leakage can cause damage to electrical equipment, leading to equipment failure or shortened service life. Detection can help to find problems in time and protect equipment. The periodic electric leakage detection can help the electric company and the management department to grasp the running state of the equipment in time, optimize the maintenance plan and improve the management efficiency.
In the prior art, the leakage detection of the phase line is usually performed by using a clamp ammeter. In cities, the lines are easy to manage uniformly, so that the lines can be detected at relatively safe points in daily detection. However, in rural areas, the low-voltage phase lines are usually erected on the telegraph pole, so that when electric leakage detection is carried out, workers inevitably need to carry out high-altitude operation, the problems of time and labor waste exist, and the detection efficiency is relatively low.
Disclosed in the patent of publication No. CN117471361a is a leakage detection device, which comprises an insulating rod set, a mounting plate, a detection assembly, a trigger assembly, a driving assembly and a collection mechanism, wherein the mounting plate is fixedly arranged at the top end of the insulating rod set. The electric leakage detection device can detect electric leakage of the phase line at the high position through the acquisition mechanism at the top. However, since the detection head of the leakage detection device with such a structure is controlled to be opened and closed by the slide plate, and the slide plate controls the detection head by friction, there is a problem that the slide plate is not easy to control the detection head, and there are problems that time and labor are wasted and the detection efficiency is low when the leakage detection is performed.
Disclosure of utility model
The utility model aims to provide a leakage detection device, which aims to solve the following technical problems in the background art:
in the process of electric leakage investigation, workers are required to frequently carry out high-altitude operation, the problems of time and labor waste exist, and the detection efficiency is relatively low.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The electric leakage detection device comprises a base, an oscilloscope, a support rod and a detection head, wherein the oscilloscope and the support rod are arranged on the base, and the detection head is connected to the support rod.
The detection head comprises a mounting plate, an insulating rod, an insulating block, a fixing seat, a coil clamp, an induction coil, a bidirectional screw rod and a driving device.
The device comprises a mounting plate, a support rod, an insulating rod, a fixing seat, a bidirectional screw rod, an induction coil, an oscilloscope, a driving device and a driving device, wherein the mounting plate is connected with the support rod, the insulating rod is connected with the mounting plate, the fixing seat is connected with the insulating rod, the bidirectional screw rod is connected with the fixing seat in a rotating way, the induction coil is divided into two parts and is respectively arranged in two coil clamps, the induction coil is connected with the oscilloscope through a wire, the insulating block is fixedly connected to the bottom of the coil clamps, the insulating block is arranged on the base in a sliding way and is in threaded connection with the two sides of the bidirectional screw rod, the driving device is connected with the bidirectional screw rod, and the driving device is used for driving the bidirectional screw rod to rotate.
Further, the supporting rod adopts a telescopic rod, the telescopic rod comprises an inner rod and an outer rod, the inner rod is movably connected in the outer rod, and the inner rod is fixedly connected with the outer rod through a bolt.
Further, the mounting plate is provided with four detection heads at even intervals.
Further, be provided with the adjustment tank on the mounting panel, the bottom rigid coupling installation pole of insulator spindle, the outside of installation pole is provided with external screw thread and threaded connection has adjusting nut, installation pole swing joint in the adjustment tank, the bottom of installation pole outwards expands and supports the bottom of mounting panel, adjusting nut is used for locking the installation pole on the mounting panel.
Further, the driving device comprises a control motor and a gear set, the control motor is fixedly connected with the fixed seat, a driving gear is fixedly connected to an output shaft of the control motor, a driven gear is fixedly connected to one side of the bidirectional screw rod, and the driving gear is meshed with the driven gear.
Further, the top of the coil clamps is fixedly connected with guide rods which are symmetrically and obliquely arranged on the two coil clamps.
Further, limiting plates are arranged on two sides of the fixing seat.
Further, the middle part rigid coupling of fixing base has spacing roof beam, and the bottom of insulating piece sets up the recess, and the recess cooperates with spacing roof beam.
Further, the front and back sides of the fixed seat are provided with sliding grooves, and the bottoms of the insulating blocks are in sliding connection with the sliding grooves.
Further, connectors are fixedly connected to two sides of the induction coil, and the connectors are connected with wires.
Compared with the prior art, the utility model has the following beneficial effects:
The design of the support rod and the detection head ensures that workers do not need to climb a high-voltage line or get close to the high-voltage line, thereby reducing the safety risks such as electric shock, falling and the like. Through the combination of induction coils, tiny leakage current can be effectively captured, the sensitivity of leakage detection is improved, and potential problems are ensured to be found in time. The induction coil can be conveniently sleeved outside a circuit to be detected through the design of the driving device, the bidirectional screw rod and the coil clamp, so that the detection efficiency is improved, and the safety of electric leakage detection is also improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the detector head of the present utility model;
FIG. 3 is a partial view of a test head of the present utility model;
FIG. 4 is a schematic view of the use state of the present utility model;
fig. 5 is a schematic diagram of an induction coil structure according to the present utility model.
The drawing shows that the device comprises a 1-base, a 2-supporting rod, a 3-detecting head, a 4-wire, a 5-oscilloscope, a 6-guiding rod, a 7-coil clamp, an 8-connector, a 9-insulating block, a 10-fixing seat, an 11-bidirectional screw rod, a 12-insulating rod, a 13-mounting plate, a 14-adjusting nut, a 15-mounting rod, a 16-control motor, a 17-induction coil, a 18-limiting beam, a 19-limiting plate, a 20-driven gear, a 21-driving gear, a 22-adjusting groove and a 23-sliding groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
the electric leakage detection device comprises a base, an oscilloscope, a support rod and a detection head, wherein the oscilloscope and the support rod are arranged on the base, the detection head is connected to the support rod, the base is used for providing stable support for the support rod and the oscilloscope, and the detection head is used for detecting whether a circuit leaks or not.
The detection head comprises a mounting plate, an insulating rod, an insulating block, a fixing seat, a coil clamp, an induction coil, a bidirectional screw rod and a driving device.
The device comprises a mounting plate, a support rod, an insulating rod, a fixing seat, a bidirectional screw rod, an induction coil, an oscilloscope, a driving device and a driving device, wherein the mounting plate is connected with the support rod, the insulating rod is connected with the mounting plate, the fixing seat is connected with the insulating rod, the bidirectional screw rod is connected with the fixing seat in a rotating way, the induction coil is divided into two parts and is respectively arranged in two coil clamps, the induction coil is connected with the oscilloscope through a wire, the insulating block is fixedly connected to the bottom of the coil clamps, the insulating block is arranged on the base in a sliding way and is in threaded connection with the two sides of the bidirectional screw rod, the driving device is connected with the bidirectional screw rod, and the driving device is used for driving the bidirectional screw rod to rotate. The insulating blocks on the fixing base are driven to be close to each other when the bidirectional screw rod rotates, the insulating blocks drive the coil clamps to be close to each other, and after the coil clamps are close to each other and are contacted with each other, induction coils in the coil clamps are combined together to form a complete coil, so that leakage current can be detected. It should be noted that, the oscilloscope is communicated with the induction coil through the wire, the induction coil is sleeved outside the circuit to be detected, if the current in the detected circuit passes through, the induction coil generates induction current, and the induction current is transmitted into the oscilloscope through the wire. And the oscilloscope fits the acquired current waveforms, and when no electric leakage occurs in the detected multiple groups of lines, the current waveform signals of the multiple groups of lines are fitted to be approximate to a straight line. When the fitted waveform is far away from the straight line, at least one or more lines are indicated to have electric leakage.
When the electric leakage detection device is used, the electric leakage detection device is carried below a circuit to be detected, the support rod is erected, the position of the support rod is adjusted to enable the circuit to enter the coil clamp, and the support rod is fixed. The control driving device drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the insulating blocks to be close to each other, the insulating blocks drive the coil clamps to be close to each other, and the induction coils are combined into a whole after the coil clamps are close to each other. The induction coil generates induction current, the induction current is transmitted to the oscilloscope through the lead, and whether the line is leaked or not can be observed through the oscilloscope. After detection, the driving device drives the bidirectional screw rod to rotate and enable the insulation blocks to be far away from each other, the insulation blocks drive the coil clamps to be far away from each other, and the coil clamps can be opened to take down the circuit in the coil clamps. Through this kind of design can make things convenient for the staff to detect whether the circuit is leaked in different places to do not need the staff to carry out the aerial work, have safe in utilization and convenient advantage, can effectively promote detection efficiency.
In a preferred embodiment, the support rod is a telescopic rod, the telescopic rod comprises an inner rod and an outer rod, the inner rod is movably connected in the outer rod, and the inner rod is fixedly connected with the outer rod through a bolt. Specifically, when in use, the length of the support rod is adjusted according to the detected height of the line. Specifically, the bolts are loosened, the inner rod is pulled out from the outer rod, and after the height is adjusted, the inner rod and the outer rod are fixed together by the bolts. The length of the supporting rod is adjusted, so that the application range of the utility model can be improved, and the leakage detection can be conveniently carried out on lines with different heights.
In a preferred embodiment, the mounting plate is provided with four detection heads at even intervals. The four detection heads are arranged, so that three-phase four-wire detection can be conveniently carried out at one time. Thereby improving the detection efficiency.
In a preferred embodiment, the mounting plate is provided with an adjusting groove, the bottom of the insulating rod is fixedly connected with the mounting rod, the outer side of the mounting rod is provided with external threads and is in threaded connection with an adjusting nut, the mounting rod is movably connected in the adjusting groove, the bottom of the mounting rod expands outwards and props against the bottom of the mounting plate, and the adjusting nut is used for locking the mounting rod on the mounting plate. The adjusting groove is used for conveniently adjusting the position of the detection head. When the adjustment is needed, the adjusting nut is rotated to loosen the adjusting nut, the position of the mounting rod is moved, and the mounting rod drives the insulating rod to move, so that the whole detection head is driven to move. After the adjustment is completed, the adjustment nut is tightened and the mounting bar is secured to the mounting plate, thereby securing the detector head to the mounting plate. The position of the detection head can be finely adjusted through the design, so that the detection head can conveniently detect the leakage of the circuit.
In a preferred embodiment, the driving device comprises a control motor and a gear set, the control motor is fixedly connected with the fixed seat, a driving gear is fixedly connected to an output shaft of the control motor, a driven gear is fixedly connected to one side of the bidirectional screw rod, and the driving gear is meshed with the driven gear. Preferably, the control motor adopts a servo motor, and meanwhile, the servo motor is matched with a microcontroller and a communication module is established to realize remote control. The servo motor has the advantages of high-precision control and quick response, and can conveniently and quickly control the bidirectional screw rod.
In a preferred embodiment, the top of the coil clamps is fixedly connected with guide rods which are symmetrically and obliquely arranged on the two coil clamps. The guide rod is used for guiding the line to enter the coil clamp, so that the detection efficiency can be improved. Specifically, the guide rods on two sides incline outwards, and when the detection is performed, the circuit firstly enters between the guide rods, and when the detection head is upwards sent, the circuit is guided by the guide rods to enter the coil clamp after contacting with the guide rods, so that the induction coil is convenient to detect the current of the circuit.
In a preferred embodiment, limiting plates are arranged on two sides of the fixing base. The limiting plate is used for limiting the moving range of the insulating block, preventing the insulating block from separating from the fixing seat and ensuring the normal operation of the detection head.
In a preferred embodiment, the middle part of the fixing seat is fixedly connected with a limiting beam, and the bottom of the insulating block is provided with a groove which is matched with the limiting beam. The spacing roof beam is used for guaranteeing the stability when the insulating block removes. Because the bottom of insulating block is provided with the recess to recess and spacing roof beam clearance fit, when the insulating block removes, spacing roof beam can prevent that the insulating block from taking place rocking from front to back. Therefore, the coil clamps can stably move and be spliced together, and the induction coils which are divided into two parts can be stably spliced together.
In a preferred embodiment, the front side and the rear side of the fixing seat are provided with sliding grooves, and the bottoms of the insulating blocks are slidably connected in the sliding grooves. Similarly, the sliding groove is also used for guaranteeing the moving stability of the insulating block and preventing the induction coil from being unable to be conducted due to deflection when the coil clamps are in contact.
In a preferred embodiment, connectors are fixedly connected to two sides of the induction coil, and the connectors are connected with wires. The connector is used for facilitating connection of the induction coil with the lead. Specifically, induction coil sets up in the inside of coil holder, and the connector stretches out to the coil holder outside. The coil clamp is mainly used for preventing the induction coil which is divided into two parts from being scattered, so that the induction coil is preferably fixed in the coil clamp, and the induction coil can be conveniently connected with a wire by arranging the connector.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "both ends," etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and defined otherwise, terms such as "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and for example, may be fixedly connected, may be detachably connected, or may be integrally formed, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two elements or an interaction relationship between two elements, unless explicitly defined otherwise, and it will be understood to those of ordinary skill in the art that the above terms have a specific meaning in the present utility model according to circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422793050.1U CN223501144U (en) | 2024-11-15 | 2024-11-15 | A leakage current detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422793050.1U CN223501144U (en) | 2024-11-15 | 2024-11-15 | A leakage current detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223501144U true CN223501144U (en) | 2025-10-31 |
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ID=97482432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422793050.1U Active CN223501144U (en) | 2024-11-15 | 2024-11-15 | A leakage current detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223501144U (en) |
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- 2024-11-15 CN CN202422793050.1U patent/CN223501144U/en active Active
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