CN211955700U - Insulated wire electroscope - Google Patents

Insulated wire electroscope Download PDF

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Publication number
CN211955700U
CN211955700U CN201921657462.5U CN201921657462U CN211955700U CN 211955700 U CN211955700 U CN 211955700U CN 201921657462 U CN201921657462 U CN 201921657462U CN 211955700 U CN211955700 U CN 211955700U
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electric field
field sensor
insulated wire
sensor unit
audible
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CN201921657462.5U
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郑秋玮
刘庭
余光凯
刘凯
肖宾
彭勇
苏梓铭
唐盼
雷兴列
蔡得龙
张准
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China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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Abstract

The utility model provides an electric installation is tested to insulated wire, include: the electric field sensor unit is arranged at the upper end of the insulating telescopic rod and used for driving the electric field sensor unit to move to the lower side of the insulating wire to be detected, the electric field sensor unit is used for detecting electric field intensity data of the insulating wire to be detected and judging whether the insulating wire to be detected is electrified or not according to the electric field intensity data, and when the electric field sensor unit judges that the insulating wire to be detected is electrified, alarm information is output. The beneficial effects of the utility model reside in that, through adopting electric field sensor unit to detect insulated wire surrounding space electric field to realize testing the electricity, its detection accuracy is high, and does not receive the influence of factors such as environment, weather, circuit structure, and the suitability is wider, can anytime and anywhere test the electricity operation to insulated wire.

Description

Insulated wire electroscope
Technical Field
The utility model relates to a join in marriage net fortune dimension and overhaul technical field, particularly, relate to an electric installation is tested to insulated wire.
Background
At present, whether an overhead insulated conductor is electrified or not needs to be checked firstly in power failure maintenance and grounding work of the overhead insulated conductor with the voltage level of 10kV and the like of a medium-low voltage distribution network so as to prevent safety accidents of electric shock. The current electricity testing method for the insulated wire of the medium and low voltage distribution network comprises the following steps: the capacitive electroscope with the corresponding voltage grade is sleeved on the insulating rod and directly contacts the exposed conductive part of the insulated wire to test electricity, and the capacitive current flowing through the electroscope is detected and the light and the buzzer are used as alarm prompt signals. Although the method has high reliability in electricity testing, the adopted capacitive type electroscope is effective only by contacting the exposed conductive part of the insulated wire, the accurate electricity testing cannot be carried out if the capacitive type electroscope is contacted with the insulated part of the insulated wire, the intact surface of the insulated wire is basically and completely coated by the insulating layer, and the exposed conductive part is difficult to find, so the method has high electricity testing limitation and inconvenient operation.
Disclosure of Invention
In view of this, the utility model provides an electric installation is tested to insulated wire aims at solving prior art, when carrying out the electricity of testing of low voltage distribution network insulated wire, the operation of existence is inconvenient to and the problem that detection accuracy is low.
In one aspect, the utility model provides an electric installation is tested to insulated wire, include: an electric field sensor unit, an insulating telescopic rod and an audible and visual alarm, wherein,
the electric field sensor unit is arranged at the upper end of the insulating telescopic rod, and the insulating telescopic rod is used for driving the electric field sensor unit to move to the lower side of the insulated wire to be detected;
the electric field sensor unit is used for detecting electric field intensity data of the insulated conductor to be detected;
the electric field sensor unit is electrically connected with the audible and visual alarm, and the audible and visual alarm is used for giving audible and visual alarms.
Furthermore, the insulating telescopic rod comprises a handle, and the audible and visual alarm is arranged on the handle.
Further, the electric field sensor unit includes an electric field sensor and a signal processing module, wherein the electric field sensor is electrically connected to the signal processing module.
Furthermore, the audible and visual alarm is electrically connected with the signal processing module and is used for outputting audible and visual alarm signals.
Further, still include: and the power supply module is respectively and electrically connected with the electric field sensor, the signal processing module and the audible and visual alarm.
Further, electric field sensor unit still includes an insulating casing, electric field sensor, signal processing module, audible-visual annunciator and power module set up in the insulating casing, the downside of insulating casing with the upper end of insulating telescopic link is connected.
Further, the insulating telescopic link includes an electric push rod, wherein, electric field sensor unit still includes a distance sensor, distance sensor with electric field sensor sets up side by side, and with signal processing module electricity is connected.
Furthermore, a PLC is arranged on the electric push rod and is in wireless communication with the signal processing module, and the PLC is used for controlling the telescopic stroke of the electric push rod.
Further, a support is arranged on the side wall of the electric push rod, and the support is used for fixing the electric push rod on the ground below the to-be-tested insulated wire along the vertical direction.
Compared with the prior art, the beneficial effects of the utility model reside in that, through adopting electric field sensor unit to detect insulated wire surrounding space electric field to realize testing the electricity, its detection accuracy is high, and does not receive the influence of factors such as environment, weather, circuit structure, and the suitability is wider, can anytime and anywhere test the electricity operation to insulated wire.
Furthermore, test electric installation alarm threshold value and through presetting, only need stretch out insulating telescopic link when testing the electricity, can accomplish with insulating casing contact or be close to insulated wire and test the electricity, and the position that contacts or be close to insulated wire is unrestricted to greatly made things convenient for and tested the electric operation, the work efficiency who has improved.
Further, a whole set of insulated wire electroscope is full insulation system, and electroscope is testing electricity through insulating telescopic link, and insulating telescopic link lets electroscope and insulated wire keep certain safe distance, and the operational danger such as no electric shock has improved the security performance.
Further, set up to electric putter through insulating telescopic link, set up electric putter and wait to detect the insulated wire downside, electric putter drives the electric field sensor unit automatically and removes to the insulated wire downside in order to accomplish the electric operation of examining of insulated wire, has reduced the input of manpower, has practiced thrift the human resource cost.
Further, detect the distance between electric field sensor unit and the waiting to detect insulated wire through distance sensor real-time, and with real-time distance data transmission to signal processing module, signal processing module is according to the distance data who receives, to PLC controller output control instruction, through PLC controller control electric putter's flexible stroke, thereby with electric field sensor unit propelling movement to waiting to detect insulated wire downside, in order to wait to detect the electricity inspection operation of waiting to detect insulated wire, the input of manpower resources has not only been reduced, still greatly improved electric field sensor unit and wait to detect the interval control efficiency between the insulated wire, thereby make electric field sensor unit can be close to as far as and wait to detect insulated wire, thereby improve the accuracy when electric field sensor unit detects the electric field strength data of insulated wire.
Furthermore, the electric field intensity data of the insulated conductor is detected by pushing the electric field sensor unit through the electric push rod, so that an operator is not required to contact with the monitoring device, the possibility of contact between the operator and the insulated conductor is avoided, the safety of the insulated conductor when the electric field intensity data is detected is improved, and the occurrence of safety accidents when the operator detects the electric field intensity data of the insulated conductor is effectively avoided.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of an insulated wire electroscope apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic functional structure diagram of an electric field sensor unit according to an embodiment of the present invention;
fig. 3 is the embodiment of the utility model provides an insulated wire tests electric installation and tests the schematic diagram when electric to insulated wire.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, the present embodiment discloses an insulated wire electroscope, including: the device comprises an electric field sensor unit 1, an insulating telescopic rod 2 and an audible and visual alarm, wherein the electric field sensor unit 1 is arranged at the upper end of the insulating telescopic rod 2, and the insulating telescopic rod 2 is used for driving the electric field sensor unit 1 to move to the lower side of an insulated wire 4 to be detected; the electric field sensor unit 1 is used for detecting electric field intensity data of the insulated conductor 4 to be detected; the electric field sensor unit 1 is used for detecting electric field strength data of the insulated wire 4 to be detected so as to give an alarm; the electric field sensor unit 1 is electrically connected with the audible and visual alarm, and the audible and visual alarm is used for giving audible and visual alarms.
Specifically, the insulating telescopic rod 2 comprises a handle, and the audible and visual alarm is arranged on the handle.
Specifically, the electric field sensor unit 1 includes an electric field sensor and a signal processing module, wherein the electric field sensor is electrically connected to the signal processing module.
Specifically, the audible and visual alarm is electrically connected with the signal processing module and is used for outputting audible and visual alarm signals.
Specifically, the insulated wire electroscope further includes: and the power supply module is respectively and electrically connected with the electric field sensor, the signal processing module and the audible and visual alarm.
Particularly, electric field sensor unit 1 still includes an insulating casing 3, electric field sensor, signal processing module, audible-visual annunciator and power module set up in insulating casing 3, insulating casing 3's downside with the upper end of insulating telescopic link 2 is connected.
Specifically, the insulating telescopic rod 2 comprises an electric push rod, wherein the electric field sensor unit 1 further comprises a distance sensor, and the distance sensor and the electric field sensor are arranged side by side and electrically connected with the signal processing module.
Specifically, be provided with the PLC controller on the electric putter, the PLC controller with signal processing module wireless communication, the PLC controller is used for controlling electric putter's flexible stroke.
Particularly, be provided with a support on electric putter's the lateral wall, the support is used for with electric putter fixes along vertical direction on the ground of the insulated cable downside that awaits measuring.
Preferably, the audible and visual alarm is preferably a light and buzzer, and the signal processing module is preferably a single chip microcomputer, an MCU or a microprocessor and the like.
It can be seen that, through adopting electric field sensor unit 1 to detect the space electric field around the insulated wire and realize testing the electricity, its detection accuracy is high, and does not receive the influence of factors such as environment, weather, line structure, the suitability is wider, can be anytime and anywhere test the electricity operation to insulated wire.
Further, test electric installation alarm threshold value through preset, only need stretch out insulating telescopic link 2 when testing the electricity, can accomplish with insulating casing 3 contact or be close to insulated wire and test the electricity, and the position that contacts or be close to insulated wire is unrestricted to greatly made things convenient for and tested the electric operation, the work efficiency who has improved.
Further, a whole set of insulated wire electroscope is full insulation construction, and electroscope is testing electricity through insulating telescopic link 2, and insulating telescopic link 2 lets electroscope and insulated wire keep certain safe distance, and operational danger such as no electric shock has improved the security performance.
Further, set up to electric putter through insulating telescopic link 2, with electric putter setting waiting to detect the insulated cable downside, electric putter drives electric field sensor unit 1 automatically and removes to the insulated cable downside in order to accomplish the operation of testing the electricity of insulated cable, has reduced the input of manpower, has practiced thrift the human resource cost.
Further, detect the distance between electric field sensor unit 1 and the waiting insulation cable through distance sensor real-time detection, and with real-time distance data transmission to signal processing module, signal processing module is according to the distance data who receives, to PLC controller output control instruction, through PLC controller control electric putter's flexible stroke, thereby with electric field sensor unit 1 propelling movement to waiting to detect the insulation cable downside, in order to wait to detect the electricity operation of waiting to detect the insulation cable, human resources's input has not only been reduced, still greatly improved electric field sensor unit 1 and wait to detect the interval control efficiency between the insulation cable, thereby make electric field sensor unit 1 can be close to as far as and wait to detect the insulation cable, thereby improve the accuracy when electric field sensor unit 1 detects the electric field strength data of insulation cable.
Further, the electric field intensity data of the insulated cable is detected by pushing the electric field sensor unit 1 through the electric push rod, and an operator does not need to contact with a monitoring device, so that the possibility of contact between the operator and the insulated cable is avoided, the safety of the insulated cable in detecting the electric field intensity data is improved, and the occurrence of safety accidents in detecting the electric field intensity data of the insulated cable by the operator is effectively avoided.
In the specific implementation of the embodiment, the electric field sensor unit 1 is arranged at the upper end of the insulating telescopic rod 2, the insulating telescopic rod 2 is used for driving the electric field sensor unit 1 to move to the lower side of the insulating wire 4 to be detected, the electric field sensor unit 1 is used for detecting electric field intensity data of the insulating wire 4 to be detected, judging whether the insulating wire 4 to be detected is electrified or not according to the electric field intensity data, and outputting alarm information when the electric field sensor unit 1 judges that the insulating wire 4 to be detected is electrified.
It can be seen that, through adopting electric field sensor unit 1 to detect the space electric field around the insulated wire and realize testing the electricity, its detection accuracy is high, and does not receive the influence of factors such as environment, weather, line structure, the suitability is wider, can be anytime and anywhere test the electricity operation to insulated wire.
With reference to fig. 2, specifically, the electric field sensor unit 1 includes an electric field sensor and a signal processing module, where the electric field sensor is electrically connected to the signal processing module, and the electric field sensor is configured to collect the electric field intensity data and transmit the electric field intensity data to the signal processing module; and the signal processing module is used for receiving the electric field intensity data and outputting the alarm information according to the electric field intensity data.
Particularly, the insulated wire electricity testing device further comprises an audible and visual alarm, the audible and visual alarm is electrically connected with the signal processing module, and the audible and visual alarm is used for outputting audible and visual alarm signals according to the alarm information.
Specifically, the insulated wire electricity testing device further comprises a power module, the power module is respectively and electrically connected with the electric field sensor, the signal processing module and the audible and visual alarm, and the power module is preferably a lithium battery, a storage battery or a dry battery.
Specifically, the electric field sensor unit 1 comprises an electric field sensor, a signal processing module, an audible and visual alarm and a power supply module, the system induces an electric field signal by the electric field sensor, the electric field signal is processed and amplified and is compared with a set electric field alarm threshold value, a comparison result signal is transmitted to the audible and visual alarm, and the circuit electrification condition is indicated by triggering lamplight and a buzzer alarm. The electric field alarm threshold value can be set through the signal processing module. The electric field sensor is preferably an electric field sensor sensitive chip.
It can be seen that test electric installation alarm threshold value through preset, only need stretch out insulating telescopic link 2 when testing the electricity, can accomplish with insulating casing 3 contact or be close to insulated wire and test the electricity, and the position that contacts or be close to insulated wire is unrestricted to greatly made things convenient for and tested the electricity operation, the work efficiency who has improved.
Particularly, 2 tops of insulating telescopic link are connected with 1 bottoms of electric field sensor unit for fixed electric field sensor unit 1, and let the electrician of testing keep certain safe distance with insulated wire. When testing electricity, the operator can hold the expanded insulating telescopic rod 2 to test electricity. The bottom of the insulating shell 3 is connected with the insulating telescopic rod 2, can be disassembled, is coated outside the electric field sensor unit 1, and is in direct contact with or close to an insulated wire during electricity testing.
Can see, a whole set of insulated wire electroscope is full insulation system, and electroscope is testing electricity through insulating telescopic link 2, and insulating telescopic link 2 lets electroscope and insulated wire keep certain safe distance, and operational danger such as no electric shock has improved the security performance.
The electricity testing method of the device comprises the following steps:
1. setting an electric field alarm threshold value of the electric field sensor module through a program according to parameters such as the type of the insulated conductor, the voltage grade and the like;
2. assembling the electric field sensor module, the insulating shell and the insulating telescopic rod according to requirements;
3. an electroscopic operator holds the tail end of the insulating telescopic rod to a proper position, the insulating telescopic rod is unfolded to point to the insulated wire, the top end insulating shell is directly contacted with or close to the insulated wire to perform electroscopy, if the electroscopic device generates acousto-optic alarm, the insulated wire is electrified, and if the electroscopic device does not generate acousto-optic alarm, the insulated wire is uncharged;
4. the operating personnel withdraws the insulating telescopic rod to complete the electricity testing work.
In another possible implementation manner based on the above embodiment, the insulating telescopic rod 2 may be not only a manual telescopic rod, but also an electric push rod.
Particularly, the preferred electric putter of insulating telescopic link 2, wherein, electric field sensor unit 1 still includes a distance sensor, distance sensor with electric field sensor sets up side by side, and with signal processing module electricity is connected, distance sensor is used for gathering in real time electric field sensor unit 1 with the distance data between the insulating wire that awaits measuring, signal processing module receives in real time distance data, and according to distance data control electric putter's flexible stroke.
Specifically, a PLC controller is arranged on the electric push rod and is in wireless communication with the signal processing module, and the PLC controller is used for controlling the telescopic stroke of the electric push rod in real time according to the distance data received by the signal processing module in real time.
Particularly, a support is arranged on the side wall of the electric push rod, and the support is used for fixing the electric push rod on the ground below the to-be-tested insulated wire along the vertical direction.
Specifically, a preset alarm threshold is built in the signal processing module, the signal processing module is used for comparing the received electric field strength data with the alarm threshold, and when the electric field strength data is larger than or equal to the alarm threshold, the signal processing module outputs the alarm information.
Specifically, the alarm threshold is determined according to the type and the voltage level of the detected insulated conductor.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. An insulated wire electroscope, comprising: an electric field sensor unit, an insulating telescopic rod and an audible and visual alarm, wherein,
the electric field sensor unit is arranged at the upper end of the insulating telescopic rod, and the insulating telescopic rod is used for driving the electric field sensor unit to move to the lower side of the insulated wire to be detected;
the electric field sensor unit is used for detecting electric field intensity data of the insulated conductor to be detected;
the electric field sensor unit is electrically connected with the audible and visual alarm, and the audible and visual alarm is used for giving audible and visual alarms.
2. The insulated wire electroscope of claim 1, wherein the insulated telescoping rod comprises a handle, and the audible and visual alarm is disposed on the handle.
3. The insulated wire electroscope of claim 2, wherein the electric field sensor unit comprises an electric field sensor and a signal processing module, wherein the electric field sensor is electrically connected to the signal processing module.
4. The insulated wire electricity testing device according to claim 3, wherein the audible and visual alarm is electrically connected with the signal processing module and is used for outputting audible and visual alarm signals.
5. The insulated wire electroscope of claim 4, further comprising: and the power supply module is respectively and electrically connected with the electric field sensor, the signal processing module and the audible and visual alarm.
6. The insulated wire electricity inspection device according to claim 5, wherein the electric field sensor unit further comprises an insulating housing, the electric field sensor, the signal processing module, the audible and visual alarm and the power supply module are disposed in the insulating housing, and the lower side surface of the insulating housing is connected with the upper end of the insulating telescopic rod.
7. The insulated wire electroscope of any one of claims 3-6, wherein the insulating telescoping rod comprises a power push rod, wherein,
the electric field sensor unit further comprises a distance sensor, and the distance sensor and the electric field sensor are arranged side by side and electrically connected with the signal processing module.
8. The insulated wire electricity testing device according to claim 7, wherein a PLC controller is arranged on the electric push rod, the PLC controller is in wireless communication with the signal processing module, and the PLC controller is used for controlling the telescopic stroke of the electric push rod.
9. The insulated wire electricity inspection device according to claim 7, wherein a bracket is arranged on the side wall of the electric push rod, and the bracket is used for fixing the electric push rod on the ground below the insulated wire to be inspected along the vertical direction.
CN201921657462.5U 2019-09-30 2019-09-30 Insulated wire electroscope Active CN211955700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921657462.5U CN211955700U (en) 2019-09-30 2019-09-30 Insulated wire electroscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921657462.5U CN211955700U (en) 2019-09-30 2019-09-30 Insulated wire electroscope

Publications (1)

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CN211955700U true CN211955700U (en) 2020-11-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113484677A (en) * 2021-07-06 2021-10-08 江苏科技大学 Automatic diagnosis device for troubleshooting of power electronic circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113484677A (en) * 2021-07-06 2021-10-08 江苏科技大学 Automatic diagnosis device for troubleshooting of power electronic circuit

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