CN215577949U

CN215577949U - Self-checking fault indication clamping insulator

Info

Publication number: CN215577949U
Application number: CN202122139792.9U
Authority: CN
Inventors: 李红磊
Original assignee: Zhejiang Youtuo Power Transmission And Transformation Equipment Co ltd
Current assignee: Zhejiang Youtuo Power Transmission And Transformation Equipment Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-18
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a self-detectable fault indication clamping insulator which comprises an insulator body and an internal lightning arrester, wherein a plurality of sheds are arranged on the insulator body, a clamping metal ring is arranged between the two sheds, a creeping wave probe and a micro control unit are arranged on the clamping metal ring and used for detecting cracks of the insulator body at regular time, a detection device is arranged on the lightning arrester and used for detecting faults caused by lightning stroke, a fault indication lamp is further arranged on the clamping metal ring and used for receiving light indication sent by the micro control unit, and the micro control unit is further provided with a communication module and used for sending fault information remotely. The utility model has the functions of regular self-checking and fault indication, can detect the internal cracking and lightning stroke of the insulator and remind workers through the states of the communication module and the fault indicator lamp.

Description

Self-checking fault indication clamping insulator

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a self-checking fault indication clamping insulator.

Background

With the continuous development of the national power industry, it is important to guarantee the safe transmission of power. The insulator is a special insulating control part, is usually made of ceramic or glass, and can play an important role in overhead transmission lines. The working environment of the insulator is severe, and in the use process, the thermal expansion and cold contraction effect caused by the temperature difference between day and night and the influence of extreme weather easily cause stress change in the insulator, so that the inside of the insulator is cracked, and the electrical performance and the mechanical performance of the insulator are influenced.

Although there are many insulators with fault indication at present, most of them take effect to indicate faults after lightning strike or when the internal structure of the insulator has seriously affected the use, and the insulator body is slightly cracked in the use process due to expansion with heat and contraction with cold of the outdoor environment, and has no fault indication function, and the insulator is installed at the high altitude of the top of the tower, and there are problems of difficult detection, untimely troubleshooting and the like in manual detection of the insulator.

SUMMERY OF THE UTILITY MODEL

In view of the shortcomings of the prior art, the utility model provides a self-detectable fault indication clamping insulator which has the functions of automatically detecting internal cracks of the insulator at regular intervals and remotely transmitting fault signals.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a but self-checking's fault indication clamp insulator, includes insulator body and inside arrester, its characterized in that: be equipped with a plurality of full skirts on the insulator body, still including being located wherein two the clamp becket that sets up between the full skirt, be provided with creeping wave probe and little the control unit on the clamp becket, just creeping wave probe is connected the setting with little the control unit electricity, little the control unit is used for the control to start creeping wave probe regularly to detect the internal full crack of insulator, still be provided with the fault indicator lamp on the clamp becket, the fault indicator lamp is connected the setting with little the control unit electricity, and it is used for receiving the light instruction that little the control unit sent.

The utility model is further configured to: the creeping wave probe is tightly attached to the outer wall of the insulator body, and the contact surface of the creeping wave probe is of an arc-shaped structure.

The utility model is further configured to: the insulator body with the clamping metal ring can be dismantled and connect the setting to adjust through fastening screw, and the centre gripping between the two is provided with insulating rubber pad.

Through adopting above-mentioned technical scheme, there is better sound coupling state between creeping wave probe and the insulator body, surveys more accurately, and the clamp metal ring is inseparable with this body coupling of insulator, and changes the convenience, and the insulating rubber pad of centre gripping plays good insulating effect, can not influence insulator insulating properties.

The utility model is further configured to: the lightning arrester is provided with a detection device, and the detection device is electrically connected with the micro control unit and used for sending a signal damaged by lightning to the micro control unit.

The utility model is further configured to: the micro control unit is also provided with a communication module, and the communication module is used for remotely transmitting a fault signal sent by the micro control unit.

The utility model is further configured to: the insulator is further provided with an induction electricity taking device, the induction electricity taking device comprises an open type energy taking coil, the open end of the open type energy taking coil is connected with a bolt and a nut, the other end of the open type energy taking coil is hinged, and the open type energy taking coil is used for being arranged on a power transmission line and supplying power for a micro control unit electrically connected with the power transmission line.

By adopting the technical scheme, the power supply of the whole fault detection and indication device is solved, and the induction power taking device is stable in power supply and convenient to install.

In conclusion, the utility model has the following beneficial effects:

this but fault indication clamp insulator of self-checking compares with prior art's fault indication insulator, this practicality increases microcontroller unit and creeping wave probe and carries out periodic self-checking to the insulator body, has solved inside the insulator body among the prior art, because of the expend with heat and contract with cold that long-term use in-process or outdoor environment lead to, and the problem that the difficult quilt discovery of checking up that arouses.

Simultaneously the fault indication lamp provides three kinds of instruction modes and does not light promptly, the red light often lights and the red light scintillation, and three kinds of light difference are obvious, and the staff can easily distinguish the fault indication of fault indication lamp on ground, and still through the long-range propelling movement signal of communication module, help the staff to know the fault reason the very first time.

Just the connection can be dismantled to the clamp becket and the insulator body that this practicality set up, consequently, when taking place the insulator body and damaging, the staff can change the insulator body alone, and need not change whole device, has reduced and has changed the electronic equipment on the clamp becket and, saves the cost.

Drawings

Fig. 1 is an external schematic view of an insulator according to the present embodiment;

FIG. 2 is a schematic view of the inside of the insulator according to the present embodiment;

FIG. 3 is a schematic view of an induction power taking apparatus according to the present embodiment;

reference numerals: 1. an insulator body; 2. fastening screws; 3. a clamp metal ring; 4. a fault indicator light; 5. a micro control unit; 6. a creeping wave probe; 7. a lightning arrester; 8. a detection device; 9. a hinge connection; 10. an induction electricity taking device; 11. an energy-taking coil; 12. a bolt; 13. and a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a self-checking fault indication clamping insulator, as shown in fig. 1-3, comprising an insulator body 1 and an internal lightning arrester 7, and characterized in that: be equipped with a plurality of full skirts on the insulator body, still including being located wherein two the clamp becket 3 that sets up between the full skirt, clamp becket 3 is provided with creeping wave probe 6 and little the control unit 5, just creeping wave probe 6 is connected the setting with little the control unit 5 electricity, and it is used for regularly detecting the chap of insulator body, still be provided with fault indicator 4 on the clamp becket 3, fault indicator 4 is connected the setting with little the control unit 5 electricity, and it is used for receiving the light instruction that little the control unit 5 sent.

Furthermore, the creeping wave probe 6 is tightly attached to the outer wall of the insulator body 1, and the contact surface of the creeping wave probe is of an arc-shaped structure.

Further, the insulator body 1 and the clamping metal ring 3 are detachably connected and arranged and are adjusted through fastening screws 2, and an insulating rubber pad is clamped between the insulator body and the clamping metal ring.

Further, the micro control unit 5 is further provided with a communication module, and the communication module is used for remotely sending a fault signal sent by the micro control unit 5.

Further, the lightning arrester 7 is provided with a detection device 8, and the detection device 8 is electrically connected with the micro control unit 5 and used for sending a signal damaged by lightning to the micro control unit 5.

Further, as shown in fig. 3, the insulator is further provided with an induction power taking device 10, the induction power taking device comprises an open type energy taking coil 11, the open end of the open type energy taking coil 11 is connected with a bolt 12 and a nut 13, the other end of the open type energy taking coil is connected with a hinge connecting piece 9, and the open type energy taking coil is used for being arranged on a power transmission line and supplying power for a micro control unit 5 electrically connected with the power transmission line.

The working principle is as follows: the normal during operation is regularly sent by little the control unit 5 and is detected order control creeping wave probe 6 and carry out ultrasonic testing to insulator body 1, creeping wave probe 6 carries out data analysis with little the control unit 5 with signal feedback, if when finding the waveform anomaly, little the control unit 5 just sends normally bright signal and gives fault indicator 4 of fixed mounting on clamp metal ring 3, fault indicator 4 carries out the red light and normally brightens the demonstration this moment, and simultaneously, little the control unit 5 sends cracked fault information through inside communication module, in order to remind the measurement personnel.

When a lightning stroke accident occurs, the lightning arrester 7 can protect the insulator, after a fault caused by the lightning stroke is detected by the detection device 8 on the lightning arrester 7, a fault signal is sent to the micro control unit 5, and the micro control unit 5 controls the fault indicator lamp 4 to flash and indicate. Meanwhile, the micro control unit 5 sends lightning stroke fault information through an internal communication module to remind detection personnel.

According to the self-detectable fault indication clamping insulator, the microcontroller unit and the creeping wave probe are additionally arranged to perform periodic self-detection on the insulator body, so that the problem that cracks in the insulator body are not easy to find due to expansion caused by heat and contraction caused by cold in the long-term use process or in the outdoor environment in the prior art is solved.

Simultaneously the fault indicator lamp provides three kinds of instruction modes namely not bright, the red light is often bright and the red light twinkles: when the fault indicator lamp is not on, the insulator is not in fault; when the red light of the fault indicator light is normally on, a cracking fault occurs inside the insulator; when the red light flickers for 2 seconds, the insulator is subjected to lightning stroke faults. Three kinds of light differences are obvious, and the staff can easily distinguish the fault indication of fault indicator lamp on ground, and still through the long-range propelling movement signal of communication module, help the staff know the fault reason the very first time.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a but self-checking's fault indication clamp insulator, includes insulator body (1) and inside arrester (7), its characterized in that: be equipped with a plurality of full skirts on insulator body (1), still including being located wherein two clamp metal ring (3) that set up between the full skirt, be provided with creeping wave probe (6) and little the control unit (5) on clamp metal ring (3), just creeping wave probe (6) are connected the setting with little the control unit (5) electricity, little the control unit (5) are used for controlling to start creeping wave probe (6) and regularly detect the chap of insulator body (1) inside, still be provided with fault indicator (4) on clamp metal ring (3), fault indicator (4) are connected the setting with little the control unit (5) electricity, and it is used for receiving the light indication that little the control unit sent.

2. A self-inspectable fault indication clamp insulator according to claim 1, wherein: the creeping wave probe (6) is tightly attached to the outer wall of the insulator body (1), and the contact surface of the creeping wave probe is of an arc-shaped structure.

3. A self-inspectable fault indication clamp insulator according to claim 1, wherein: the insulator body (1) and the clamping metal ring (3) are detachably connected and arranged and are adjusted through fastening screws (2), and an insulating rubber pad is clamped between the insulator body and the clamping metal ring.

4. A self-inspectable fault indication clamp insulator according to claim 1, wherein: the lightning arrester (7) is provided with a detection device (8), and the detection device (8) is electrically connected with the micro control unit (5) and is used for sending a signal damaged by lightning to the micro control unit (5).

5. A self-inspectable fault indication clamp insulator according to claim 1, wherein: the micro control unit (5) is further provided with a communication module, and the communication module is used for remotely sending a fault signal sent by the micro control unit (5).

6. A self-inspectable fault indication clamp insulator according to claim 1, wherein: the insulator is still provided with induction electricity taking device (10), induction electricity taking device (10) including open type can the coil (11) of getting, open type can the coil (11) of getting open type open end sets up to bolt (12) nut (13) and connects, and the other end sets up to hinge connecting piece (9) and connects, and it is used for setting up on the transmission line, for the little the control unit power supply of electricity connection setting with it.