CN217359724U - Detection device for live-line detection of defects of composite insulator - Google Patents
Detection device for live-line detection of defects of composite insulator Download PDFInfo
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- CN217359724U CN217359724U CN202123131589.3U CN202123131589U CN217359724U CN 217359724 U CN217359724 U CN 217359724U CN 202123131589 U CN202123131589 U CN 202123131589U CN 217359724 U CN217359724 U CN 217359724U
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Abstract
The utility model discloses a composite insulator defect is detection device for live working, include: the electric field probe comprises a power supply, a signal processing module, four electric field probes and a signal amplifier, wherein the four electric field probes are distributed in a cross shape, each electric field probe is connected with the signal processing module through one signal amplifier, the signal processing module is connected with the power supply, and the signal processing module comprises a microprocessor and a data transparent transmission module. It discerns composite insulator defect through matrix electric field detection mode, device simple structure, use lightly, it can cooperate unmanned aerial vehicle carry and insulating bar to use, installs at unmanned aerial vehicle nacelle tip or insulating bar tip, passes through data passthrough module with the testing result and sends for ground end or insulating bar operation end, detects composite insulator defect under the condition of live-line operation to can be at early discovery problem insulator, avoid the emergence of potential fault hidden danger.
Description
Technical Field
The patent of the utility model relates to an electrified field of detection especially relates to a composite insulator defect is detecting device for electrified detection.
Background
Modern power transmission line and substation management pays great attention to the problem of composite insulator degradation, once the insulation performance of power equipment is reduced due to insulation degradation and overhauling, accidents such as insulation flashover and the like are possibly caused, and the potential safety hazard and economic loss caused by the accidents are immeasurable. Therefore, the good operation of the composite insulator is beneficial to ensuring the safety and stability of the whole power system. The method combines the era background of the current construction of 'extra-high voltage' engineering, 'west-electric-east-transmission' engineering and a strong intelligent power grid, popularizes the trend of the composite insulator in operation on a power transmission line in a large scale, needs for evaluating the performance degradation and the degradation of the composite insulator in a complex environment, strengthens the monitoring and degradation evaluation method of the composite insulator, and eliminates all fault hidden dangers as much as possible, and is the key for ensuring the normal operation of the composite insulator and the stable operation of a power system.
At present, when the power department carries out line inspection work, the defects of the composite insulator are detected in a charged mode mostly by adopting an infrared imaging method. When the composite insulator is seriously degraded and generates heat seriously, the infrared imaging has better effect. However, the infrared imaging method cannot find the defects of the composite insulator in the early stage, such as internal conduction, surface carbonization and the like, and has high requirements on the field test environment and harsh requirements on the conditions of background noise and weather. Besides the infrared imaging method, at present, no effective method and device can be used for defect inspection of the composite insulator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a detection device for composite insulator defect live working detection, it can cooperate unmanned aerial vehicle carry and insulating bar to use, install at unmanned aerial vehicle nacelle tip or insulating bar tip, send the testing result for ground end or insulator spindle operation end through data pass through the module, detect the composite insulator defect under the condition of live working to can be at early discovery problem insulator, avoid the emergence of potential fault hidden danger.
For solving the prior art problem, the utility model discloses a composite insulator defect is detecting device for live working, include: the electric field probe comprises a power supply, a signal processing module, four electric field probes and a signal amplifier, wherein the four electric field probes are distributed in a cross shape, each electric field probe is connected with the signal processing module through one signal amplifier, the signal processing module is connected with the power supply, and the signal processing module comprises a microprocessor and a data transparent transmission module.
Furthermore, the device also comprises a shell and a baffle, wherein the signal processing module, the four electric field probes and the signal amplifier are all arranged in an inner cavity of the shell, and the outer part of the shell is connected with the baffle.
Furthermore, the baffle is in a cross shape, and the end part of the baffle is provided with a bending part.
Furthermore, the power supply comprises a power supply interface and a voltage-stabilizing inversion module, the power supply interface is arranged outside the shell, and the voltage-stabilizing inversion module is arranged in the inner cavity of the shell.
Further, the signal amplifier has a model INA 333.
Further, the microprocessor is of the type ARM Coretex-M3.
Furthermore, the model of the data transparent transmission module is E22-400T 22S.
Further, the model of the voltage stabilizing inverter module is TPS 562200.
Further, still include the unmanned aerial vehicle that is used for mounting detection device.
Further, the device also comprises an insulating operating rod for mounting the detection device.
The utility model discloses beneficial effect who has:
the utility model discloses a matrix electric field detection mode discerns the composite insulator defect, and device simple structure, use lightly, it can cooperate unmanned aerial vehicle carry and insulating bar to use, installs at unmanned aerial vehicle nacelle tip or insulating bar tip, carries out long-range transmission with the testing result to detect the inside defect of composite insulator under the condition of live working, avoid the emergence of latent fault hidden danger.
Drawings
Fig. 1 is a schematic diagram of the circuit structure of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of the present invention;
FIG. 4 is a schematic view of the usage state of the present invention;
FIG. 5 is a schematic view of the usage state of the present invention;
fig. 6 is a schematic view of the mounting of the unmanned aerial vehicle of the present invention;
fig. 7 is a schematic view of the mounting of the insulated operating rod of the present invention.
Wherein: 1. an electric field probe; 2. a signal amplifier; 3. a microprocessor; 4. a data transparent transmission module; 5. a voltage stabilizing inversion module; 6. a heat-insulating inner shell; 11. a housing; 22. a baffle plate; 22-1, a bend; A. the utility model discloses a detection device; B. shaft tower cross arm.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the utility model discloses a detection device for the live line detection of composite insulator defect, include: the electric field probe comprises a power supply, a signal processing module, four electric field probes 1 and signal amplifiers 2, wherein the four electric field probes 1 are distributed in a cross shape, each electric field probe 1 is connected with the signal processing module through one signal amplifier 2, the signal processing module is connected with the power supply, and the signal processing module comprises a microprocessor 3 and a data transparent transmission module 4. The electric field probe 1 collects electric field intensity signals near the surface of the composite insulator, converts the electric field intensity signals into millivolt voltage signals, sends detection signals to the microprocessor 3 through the four signal amplifiers 2, runs corresponding recognition algorithms inside the microprocessor 3, and sends out defect detection results through the data transparent transmission module 4. The signal amplifier 2 is of type INA 333. The microprocessor 3 is of the type ARM Coretex-M3. The model number of the data transparent transmission module 4 is E22-400T 22S. The model of the voltage stabilizing inverter module 5 is TPS 562200.
If the electric field data measured by the four electric field probes are respectively E1, E2, E3 and E4, the core rod carbonization or internal conduction defect is considered to exist at the position corresponding to the detection device when the following formula is satisfied:
k is a proportionality coefficient, which may be 0.05.
Further, whether black ablation traces exist at the detection position of the invention can be observed through visible light images during field operation, and if the black ablation traces do not exist, the defect at the position can be considered as an internal conduction defect. Otherwise, the core rod is a core rod carbonization defect.
As shown in fig. 2-3, the signal processing module, the four electric field probes 1 and the signal amplifier 2 are all disposed in the inner cavity of the housing 11, the external connection baffle 22 of the housing 11, the power supply includes a power supply interface 33 and a voltage-stabilizing inverter module 5, the power supply interface 33 is disposed outside the housing 11, and the voltage-stabilizing inverter module 5 is disposed in the inner cavity of the housing 11. After the external power supply is connected to the power supply interface 33, the voltage stabilizing inverter module 5 generates different direct-current voltages, so that the signal amplifier 2, the microprocessor 3 and the data transparent transmission module 4 work. The baffle 22 is used for ensuring that the detection device smoothly moves on the outer edge of the composite insulator shed without being clamped, and the baffle 22 is in a cross shape, and the end part of the baffle is provided with a bending part 22-1.
As shown in fig. 4-5, when the device is used for detecting the defects of the composite insulator in a live-line manner, the device only needs to be ensured to translate on the outer edge of the shed of the composite insulator. The four-array probe and the baffle of the device adopt a cross structure, and can meet the detection requirements of different string type composite insulators, such as a suspension string, a V-shaped string and the like. The distance between the normal composite insulator sheds is 3-5cm, so that the diameter of the four-array structure can be 5cm, and the defect condition of at least one section of core rod-shed unit can be detected. The diameter of the baffle plate can be 8-12cm and is larger than that of the shell, because the umbrella skirt of the composite insulator is of a large umbrella structure and a small umbrella structure, the distance between the two large umbrellas can exceed 5cm, namely the size of the shell of the detection device, and the detection device can be clamped in the umbrella skirt under the condition.
As shown in fig. 6-7, the utility model provides a detection device is used in electrified detection of composite insulator defect, it discerns the composite insulator defect through matrix electric field detection mode, device simple structure, it is light to use, it can cooperate unmanned aerial vehicle carry and insulating bar to use, install at unmanned aerial vehicle nacelle tip or insulating bar tip, send the testing result for ground end or insulator spindle operation end through data passthrough module, detect the composite insulator defect under the condition of live working, thereby can be at early discovery problem insulator, avoid the emergence of potential fault hidden danger.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a detection device for the electrified detection of composite insulator defect which characterized in that includes: the electric field probe comprises a power supply, a signal processing module, four electric field probes (1) and a signal amplifier (2), wherein the four electric field probes (1) are distributed in a cross shape, each electric field probe (1) is connected with the signal processing module through one signal amplifier (2), the signal processing module is connected with the power supply, and the signal processing module comprises a microprocessor (3) and a data transparent transmission module (4).
2. The device for detecting the defects of the composite insulator in a charged manner according to claim 1, wherein: the device is characterized by further comprising a shell (11) and a baffle (22), wherein the signal processing module, the four electric field probes (1) and the signal amplifier (2) are all arranged in an inner cavity of the shell (11), and the outer part of the shell (11) is connected with the baffle (22).
3. The detection device for the charged detection of the defects of the composite insulator according to claim 2, wherein: the baffle (22) is in a cross shape, and the end part of the baffle is provided with a bending part (22-1).
4. The detection device for the charged detection of the defects of the composite insulator according to claim 2, wherein: the power supply comprises a power supply interface (33) and a voltage-stabilizing inversion module (5), the power supply interface (33) is arranged outside the shell (11), and the voltage-stabilizing inversion module (5) is arranged in an inner cavity of the shell (11).
5. The device for detecting the defects of the composite insulator in a charged manner according to claim 1, wherein:
the signal amplifier (2) is of type INA 333.
6. The device for detecting the defects of the composite insulator in a charged manner according to claim 1, wherein: the model of the microprocessor (3) is ARM Coretex-M3.
7. The device for detecting the defects of the composite insulator in a charged manner according to claim 1, wherein:
the model of the data transparent transmission module (4) is E22-400T 22S.
8. The device according to claim 4, wherein the device comprises: the model of the voltage-stabilizing inverter module (5) is TPS 562200.
9. The device for detecting defects of a composite insulator in a charged state according to any one of claims 1 to 8, wherein: still including being used for mounting detection device's unmanned aerial vehicle.
10. The device for detecting the defects of the composite insulator in a charged manner according to any one of claims 1 to 8, wherein: the device also comprises an insulating operating rod for mounting the detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123131589.3U CN217359724U (en) | 2021-12-14 | 2021-12-14 | Detection device for live-line detection of defects of composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123131589.3U CN217359724U (en) | 2021-12-14 | 2021-12-14 | Detection device for live-line detection of defects of composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217359724U true CN217359724U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123131589.3U Active CN217359724U (en) | 2021-12-14 | 2021-12-14 | Detection device for live-line detection of defects of composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217359724U (en) |
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2021
- 2021-12-14 CN CN202123131589.3U patent/CN217359724U/en active Active
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