CN218767184U

CN218767184U - Novel intelligent wireless detector for insulation resistance of transmission line insulator

Info

Publication number: CN218767184U
Application number: CN202222851979.6U
Authority: CN
Inventors: 霍红; 单春; 罗孝楚; 刘明慧; 王德智; 卢崇毅; 崔瓅心; 杨振东; 李忠明; 唐正
Original assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-28
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a novel intelligent transmission line insulator insulation resistance wireless detector, including emitter and receiving arrangement, emitter includes adjustable detector, adjustable detector's front is equipped with change over switch, one side electric connection of adjustable detector has contact probe, contact probe and insulator paste mutually, one side swing joint of adjustable detector has universal commentaries on classics, the bottom swing joint of universal commentaries on classics has scalable insulator spindle, and this equipment portable, convenient to use, easy operation when using can carry out remote uninterrupted power operation, have alleviateed intensity of labour greatly, have improved work efficiency, and the intelligent degree of device itself is higher, does not need professional maintenance and proofreading, and will produce great and deep influence to safety in production, it is more accurate when detecting the insulator to satisfy the operation requirement in transmission of electricity fortune dimension.

Description

Novel intelligent wireless detector for insulation resistance of transmission line insulator

Technical Field

The utility model relates to a power equipment technical field especially relates to a novel intelligent transmission line insulator insulation resistance wireless detector.

Background

The insulator is a device which is arranged between conductors with different electric potentials or between the conductors and a grounding component and can bear the action of voltage and mechanical stress, the insulators are various in types and different in shapes, and although the structures and the appearances of different types of insulators are greatly different, the insulators are composed of two parts, namely an insulating part and a connecting hardware fitting.

With the continuous development of modern industry, the capacity of a power grid is increased, the rated voltage grade is continuously increased, accidents caused by insulator faults are frequently seen due to the fact that accidents such as insulator zero values and the like in power transmission and transformation equipment of a power system are increasingly prominent, the traditional zero-value insulator fault detection method, technology and means cannot meet the working requirements of power transmission operation and maintenance due to inaccurate detection, and meanwhile, the existing detection equipment is inconvenient to carry, so that a novel intelligent wireless detector for the insulation resistance of the insulator of the power transmission line is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the novel intelligent transmission line insulator insulation resistance wireless detector who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel intelligent transmission line insulator insulation resistance wireless detector, includes emitter and receiving arrangement, emitter includes adjustable detector, adjustable detector's front is equipped with change over switch, one side electric connection of adjustable detector has contact probe, contact probe and insulator paste mutually, one side swing joint of adjustable detector has universal commentaries on classics, the bottom swing joint of universal commentaries on classics has scalable insulator spindle.

Preferably, the adjustable detector, the contact probe, the change-over switch, the universal swivel and the telescopic insulating rod jointly form a transmitting device.

Preferably, a voltage dividing resistance tube, an A/D converter, a wireless signal transmitter and a rechargeable lithium battery are arranged inside the adjustable detector, and the rechargeable lithium battery in the adjustable detector is electrically connected with the A/D converter and the wireless signal transmitter.

Preferably, the front surface of the receiving device is electrically connected with a liquid crystal display screen, the top of the receiving device is provided with a wireless signal receiver, the display resolution of the liquid crystal display screen is 128 × 64, and a Chinese character library is built in the liquid crystal display screen.

Preferably, one side that receiving arrangement's front is close to the liquid crystal display bottom is equipped with switch, one side electric connection that receiving arrangement's front is close to switch has the signal indicator, receiving arrangement's bottom is equipped with the charger jack.

Preferably, the receiving device is a rectangular box in overall shape, and a receiving antenna is arranged at the bottom end of the wireless signal receiver.

Advantageous effects

The utility model discloses in, this equipment portable, convenient to use, easy operation when using can carry out remote uninterrupted power operation, have alleviateed intensity of labour greatly, have improved work efficiency, and the intelligent degree of device itself is higher, does not need professional maintenance and proofreading, and the influence that will produce great and profound to safety in production certainly.

The utility model discloses in, this equipment is more accurate when detecting the insulator to satisfy in the work requirement of transmission of electricity fortune dimension.

Drawings

Fig. 1 is an overall structure diagram of a transmitting device of a novel intelligent wireless detector for the insulation resistance of an insulator of a power transmission line;

FIG. 2 is a diagram of the overall structure of a receiver of a novel intelligent wireless detector for the insulation resistance of an insulator of a power transmission line;

fig. 3 is a flow chart of a novel intelligent wireless detector for the insulation resistance of the transmission line insulator;

fig. 4 is a diagram of an internal structure of an adjustable detector of a novel intelligent wireless detector for insulator insulation resistance of a power transmission line.

Illustration of the drawings:

1. contacting the probe; 2. an adjustable detector; 3. a universal swivel; 4. a transfer switch; 5. a retractable insulating rod; 6. the device comprises a wireless signal receiver 7, a power switch 8, a liquid crystal display screen 9, a signal indicator lamp 10 and a charger jack; 11. a receiving device; 12. and (4) a transmitting device.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-4, a novel intelligent wireless detector for insulation resistance of power transmission line insulators, comprising an emitting device 12 and a receiving device 11, wherein the emitting device 12 comprises an adjustable detector 2, a change-over switch 4 is arranged on the front surface of the adjustable detector 2, one side of the adjustable detector 2 is electrically connected with a contact probe 1, the contact probe 1 is attached to an insulator, one side of the adjustable detector 2 is movably connected with a universal swivel 3, the bottom end of the universal swivel 3 is movably connected with a telescopic insulating rod 5, the contact probe 1 is two thin metal conductors with the length of about 20cm and is arranged on the adjustable detector 2, the distance between the contact probe 1 and the telescopic insulating rod 5 is adjustable, the adjustable detector 2 is connected with the telescopic insulating rod 5 through the universal swivel 3, and can ensure that the adjustable detector 2 can detect insulators at various angles, the adjustable detector 2, the contact probe 1, the change-over switch 4, the universal swivel 3 and the telescopic insulating rod 5 jointly form an emitting device 12, a voltage dividing resistance tube, an A/D converter, a wireless signal emitter and a rechargeable lithium battery are arranged inside the adjustable detector 2, the rechargeable lithium battery in the adjustable detector 2 is electrically connected with the A/D converter and the wireless signal emitter, the front surface of a receiving device 11 is electrically connected with a liquid crystal display screen 8, the top of the receiving device 11 is provided with a wireless signal receiver 6, the display resolution of the liquid crystal display screen 8 is 128 multiplied by 64, a Chinese character library is arranged in the liquid crystal display screen 8, one side of the front surface of the receiving device 11, which is close to the bottom of the liquid crystal display screen 8, one side of the front surface of the receiving device 11, which is close to the power switch 7, is electrically connected with a signal indicator lamp 9, the bottom of the receiving device 11 is provided with a charger jack 10, and the whole shape of the receiving device 11 is a rectangular box body, the bottom end of the wireless signal receiver 6 is provided with a receiving antenna.

The adjustable detector 2 divides the potential difference at two ends of the insulator through an internal divider resistance tube, potential difference signals are input into an internal acquisition circuit, the potential difference signals are converted into digital signals through an A/D converter and are transmitted by a wireless signal transmitter after being coded by a digital circuit, the adjustable detector 2 is connected with a telescopic insulating rod 5 through a universal swivel 3, an operator can conveniently hold the telescopic insulating rod 5 to test the insulator, a receiving antenna is used for receiving the wireless signals transmitted by a transmitting device 12, the display resolution of a liquid crystal display screen 8 of a receiving device 11 is 128 multiplied by 64, a Chinese character font is built in the receiving device 11 in an STN (standard test network), semi-transparent and direct display modes, a backlight mode is a side high-brightness white LED (light-emitting diode), blue backlight is adopted, a serial communication mode and a parallel port are optional and is used for displaying related data of a tested line insulator, a charger jack 10 on the receiving device 11 is used for charging, a signal indicator lamp 9 on the receiving device 11 is used for judging whether the adjustable detector 2 detects resistance or voltage, and a power switch 7 of the receiving device 11 is used for starting and closing the device.

The second embodiment:

referring to fig. 1-4, before use, a receiving device 11 is charged, when in use, a power switch 7 is turned on, an operator connects a transmitting device 12 with a telescopic insulating rod 5 through a universal swivel 3, the distance between contact probes 1 is adjusted according to the type of an insulator to be tested, then a change-over switch 4 is used for changing over according to whether the tested insulator is charged or not, the operator mounts on a power transmission line tower or holds the telescopic insulating rod 5 with the ground to contact two ends of a power transmission insulator through the contact probes 1 on an adjustable detector 2, the transmitting device 12 measures the potential difference of two ends of a single insulator in work, the potential difference signal is input into an internal acquisition circuit through internal high-voltage resistance voltage division, the potential difference signal is converted into a digital signal through an a/D converter and is transmitted after being coded by the digital circuit, after the receiving device 11 receives the signal, the potential difference is decoded and converted into the digital signal through the digital circuit in the receiving device 11, finally, a voltage value is displayed by a liquid crystal display 8, if the measured potential difference of a certain insulator is O, the piece is zero value, if the measured, the potential difference is a potential difference of the insulator is 50% of a standard value, whether the insulator, and whether the voltage distribution of the insulator is further determined according to determine whether the fault detection data.

When testing the uncharged insulator, firstly, the change-over switch 4 on the adjustable detector 2 is changed, the contact probe 1 on the adjustable detector 2 is used for contacting two ends of the power transmission insulator, the insulation resistance value of the tested insulator is measured in the device, the digital signal is converted by the A/D converter, the digital signal is transmitted by the wireless signal transmitter after being coded and processed by the digital circuit, the digital signal is decoded and converted into the digital signal by the digital circuit in the receiving device 11 after the signal is received by the receiving device 11, finally, the insulation resistance value is displayed by the liquid crystal display 8, if the insulation resistance of a certain insulator is measured to be smaller, the insulator is the inferior insulator, and when the insulation resistance is 0, the insulator is the zero-value insulator.

When the test is finished, the power switch 7 of the receiving device 11 is closed, and then the transmitting device 12 is separated from the telescopic insulating rod 5 and is arranged in the soft packaging box, so that the device is not easy to damage.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel wireless detector of intelligent transmission line insulator insulation resistance, includes emitter (12) and receiving arrangement (11), its characterized in that: emitter (12) include adjustable detector (2), the front of adjustable detector (2) is equipped with change over switch (4), one side electric connection of adjustable detector (2) has contact probe (1), contact probe (1) and insulator paste mutually, one side swing joint of adjustable detector (2) has universal commentaries on classics head (3), the bottom swing joint of universal commentaries on classics head (3) has scalable insulator spindle (5).

2. The novel intelligent wireless detector for the insulation resistance of the transmission line insulator according to claim 1, wherein: the adjustable detector (2), the contact probe (1), the change-over switch (4), the universal swivel (3) and the telescopic insulating rod (5) jointly form an emitting device (12).

3. The novel intelligent wireless detector for the insulation resistance of the transmission line insulator according to claim 1, wherein: the adjustable detector (2) is internally provided with a voltage dividing resistance tube, an A/D converter, a wireless signal transmitter and a rechargeable lithium battery, and the rechargeable lithium battery in the adjustable detector (2) is electrically connected with the A/D converter and the wireless signal transmitter.

4. The novel intelligent wireless detector for the insulation resistance of the transmission line insulator according to claim 1, wherein: the front surface of the receiving device (11) is electrically connected with a liquid crystal display (8), the top of the receiving device (11) is provided with a wireless signal receiver (6), the display resolution of the liquid crystal display (8) is 128 multiplied by 64, and a Chinese character word stock is arranged in the liquid crystal display.

5. The novel intelligent wireless detector for the insulation resistance of the transmission line insulator according to claim 1, wherein: one side that the front of receiving arrangement (11) is close to liquid crystal display (8) bottom is equipped with switch (7), one side electric connection that the front of receiving arrangement (11) is close to switch (7) has signal indicator (9), the bottom of receiving arrangement (11) is equipped with charger jack (10).

6. The novel intelligent wireless detector for the insulation resistance of the transmission line insulator according to claim 4, wherein: the receiving device (11) is a rectangular box in overall shape, and a receiving antenna is arranged at the bottom end of the wireless signal receiver (6).