CN207097200U - A kind of protection against electric shock prior-warning device based on power mains induced power taking - Google Patents

Abstract

An anti-shock early warning device based on power transmission line induction, including a power transmission tower and a power transmission line, the power transmission tower is provided with a front cross arm of the iron tower and a rear cross arm of the iron tower, and a control box is provided on one of the cross arms. Both sides of the control box are equipped with ultrasonic distance measuring device, sound and light alarm and infrared detection device; the main control module is arranged in the control box, and the ultrasonic distance measuring device, sound and light alarm and infrared detection device are all connected with the main control module connection; the control box is also provided with a power supply module, and a CT induction power collection device is provided on the transmission line, and the CT induction power collection device is connected with the power supply module, and the power supply module is connected with the main control module. The utility model provides an anti-shock early warning device based on power transmission line induction, which supplies power to the entire system through CT induction, and has the advantages of small size, easy installation, not affected by weather, and reliable power supply.

Description

An anti-shock early warning device based on power transmission line induction

technical field

The utility model relates to the field of electric power system protection, in particular to an electric shock prevention early warning device based on power transmission line induction.

Background technique

For the operation on high-voltage lines in my country, the safety distance is strictly stipulated for different voltage levels. For high-voltage transmission lines, live maintenance is generally carried out. Therefore, many line maintenance personnel can only rely on strict compliance with operating specifications and their own experience to maintain distance from power lines. Based on the above-mentioned problems, this patent designs an anti-shock early warning device based on power transmission line inductive power acquisition, which provides power to the entire early warning system by using power transmission line CT inductive power acquisition to ensure the power supply of the entire system, and combines various The sensor system coordinates and cooperates to remind construction workers whether to enter a safe distance at all times to protect their personal safety.

Disclosed in the patent document CN204884024U is a kind of anti-intrusion system device on the power transmission line, which includes an iron tower, and the middle part of the second iron tower cross arm below the first iron tower cross arm on the top of the iron tower head is provided with a cabinet, and the second iron tower On the cross arm, and located at both ends of the chassis, there are infrared detection devices, signal detection modules, alarm lights, live detection modules, ultrasonic ranging modules, and a solar device on the tower head. The solar device includes solar panels and solar cells. The board is arranged on the tower head of the iron tower and is located above the chassis; the chassis is provided with a main control chip, the input port of the main control chip is connected with the infrared detection device, the signal detection module, the charged detection module, and the ultrasonic distance measuring module, and the main control chip The power supply module is connected with the solar device, the output port of the main control chip is connected with the alarm light, and the main control chip is connected with the communication module. The above-mentioned patent uses photovoltaic power generation to supply power to the entire device, but since photovoltaic power generation is easily affected by the weather and cannot continue to supply power to the device at night, the reliability of power supply is low, so this patent proposes a method that uses CT induction to obtain power. The power supply can be used to supply power to the entire system, which has the advantages of small size, easy installation, not affected by the weather, and reliable power supply.

Contents of the invention

The technical problem to be solved by the utility model is to provide an anti-shock early warning device based on power transmission line induction, which can supply power to the whole system through CT induction. , Reliable power supply and other advantages.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: an electric shock prevention warning device based on power transmission line induction, including a power transmission tower and a power transmission line. For the rear cross arm, a control box is arranged on one of the cross arms, and ultrasonic distance measuring devices, sound and light alarms and infrared detection devices are arranged on both sides of the control box; a main control module is arranged in the control box, and ultrasonic measuring The distance device, sound and light alarm and infrared detection device are all connected to the main control module; the control box is also provided with a power supply module, and a CT induction power collection device is installed on the transmission line, and the CT induction power collection device is connected to the power supply module , the power supply module is connected with the main control module.

Preferably, the power supply module includes an overcurrent protection device, a rectifying device, a voltage stabilizing device and a battery, the CT induction power-taking device is connected to the overcurrent protection device, the overcurrent protection device is connected to the rectifying device, and the rectifying device is connected to the voltage stabilizing device , the voltage stabilizing device is connected to the storage battery, and the storage battery is connected to the Zhu control module.

Preferably, the transmission tower is further provided with a wind speed sensor, and the control box is further provided with a temperature sensor, and both the wind speed sensor and the temperature sensor are connected to the main control module.

Preferably, a display screen is provided on the side of the control box, and the display screen is connected to the main control module.

Preferably, the control box is further provided with a live detection module, which is connected with the main control module.

Preferably, the main control module is also connected to the wireless communication module, and is connected to the upper computer through the wireless communication module.

Preferably, the control box is made of insulating material, and is fixed on the power transmission tower through bolts.

The utility model provides an electric shock prevention early warning device based on power transmission line induction, which has the following advantages:

1. Use the CT induction power-taking device, and use the principle of electromagnetic induction to generate electric energy to provide electric energy for the entire anti-shock warning device. It is not affected by weather and is reliable and convenient.

2. For the maintenance personnel who stray into the safe distance, the construction personnel can be reminded by sound and light in time to prevent electric shock accidents.

3. An over-current protection device is installed between the CT induction power-taking device and the battery to prevent damage to the equipment caused by a large current generated during a lightning strike.

4. The real-time wind speed data and temperature data measured by the wind speed sensor and temperature sensor are displayed on the LCD screen to provide current environmental information.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural block diagram of the utility model control system;

Fig. 3 is the operational flowchart of the utility model;

In the figure: transmission line 1, CT induction power taking device 2, iron tower rear cross arm 3, ultrasonic distance measuring device 4, sound and light alarm 5, infrared detection device 6, iron tower front cross arm 7, control box 8, display screen 9 , wind speed sensor 10, temperature sensor 11, main control module 12, battery 13, rectifier 14, overcurrent protection device 15, voltage stabilizing device 16, charged detection module 17, wireless communication module 18, host computer 19.

Detailed ways

As shown in Figure 1-2, an anti-shock early warning device based on power transmission line induction, includes a transmission tower and a transmission line 1, and the transmission tower is provided with a front cross arm 7 and a rear cross arm 3 of the tower. One of the cross arms is provided with a control box 8, and an ultrasonic distance measuring device 4, an acousto-optic alarm 5 and an infrared detection device 6 are arranged on both sides of the control box 8; a main control module 12 is provided in the control box 8, Ultrasonic distance measuring device 4, sound and light alarm device 5 and infrared detection device 6 are all connected with main control module 12; Described control box 8 is also provided with power supply module, is provided with CT induction power-taking device 2 on transmission line 1, The CT induction power-taking device 2 is connected to the power supply module, and the power supply module is connected to the main control module 12 .

Preferably, the power supply module includes an overcurrent protection device 15, a rectifying device 14, a voltage stabilizing device 16 and a storage battery 13, the CT induction power-taking device 2 is connected to the overcurrent protection device 15, and the overcurrent protection device 15 is connected to the rectifying device 14 , the rectifying device 14 is connected to the voltage stabilizing device 16 , the voltage stabilizing device 16 is connected to the storage battery 13 , and the storage battery 13 is connected to the Zhu control module 12 .

Preferably, the transmission tower is further provided with a wind speed sensor 10 , and the control box 8 is further provided with a temperature sensor 11 , and both the wind speed sensor 10 and the temperature sensor 11 are connected to the main control module 12 .

Preferably, a display screen 9 is provided on the side of the control box 8 , and the display screen 9 is connected to the main control module 12 .

Preferably, the control box 8 is further provided with an electrification detection module 17 , and the electrification detection module 17 is connected with the main control module 12 .

Preferably, the main control module 12 is also connected with a wireless communication module 18, and is connected with a host computer 19 through the wireless communication module 18. The wireless communication module 18 adopts a 4G wireless communication module, and the host computer 19 is a PC.

Preferably, the control box 8 is made of insulating material, and is fixed on the power transmission tower through bolts.

The CT induction power acquisition device 2 is set on the high-voltage transmission line 1. The CT induction power acquisition device 2 uses the principle of electromagnetic induction to intercept energy in the electromagnetic field around the transmission line 1 to generate electric energy. After passing through the overcurrent protection device 15, the rectification device 14, and the voltage stabilization device After 16, the electric energy is stored in the accumulator 13, and the electric energy in the accumulator 13 is used to supply power to the whole system.

When maintenance personnel work live, when their body enters the infrared detection range, the infrared detection device 5 used here is a pyroelectric infrared sensor. When some immovable objects or thermostatic animals (birds) enter the infrared warning zone, The pyroelectric infrared sensor has no output signal. When someone breaks into the warning area, as long as the human body moves, the pyroelectric infrared sensor can capture the infrared rays sent by the human body and work, thereby outputting an electrical signal to the main control module 15. At this moment, the charged Detection module 17 begins to work after receiving the order that sends from main control module 12, what used in the electrification detection module that adopts here is the inductive electrification detection device, utilizes the magnetic field of detection transmission line to judge whether transmission line is electrified, if electrification, The main control module 12 commands the ultrasonic distance measuring device 7 to start working, and when the ultrasonic distance measuring device 7 detects that the maintenance personnel enters a safe distance, the sound and light alarm lamp 6 positioned below the ultrasonic distance measuring device flashes and sends an alarm sound to come Alert maintenance personnel. If the electrification detection device detects that the transmission line is not electrified, the entire system is in a locked state at this time, and the maintenance personnel at this time are in a safe state, which will not affect their operations on the iron tower.

A wind speed sensor 10 and a temperature sensor 11 are installed on the transmission line iron tower, and the measured data are transmitted to the display screen 9 on the side of the main control cabinet 8, and the construction personnel can use the data displayed above as a reference to properly carry out the iron tower operation , to reduce construction risks. The main control module 12 adopts STM32 series single-chip microcomputer; the infrared detection device 6 is a pyroelectric infrared sensor, the model is: HC-SR501; the ultrasonic distance measuring device 4 adopts an ultrasonic distance measuring sensor, the model is: HC-SR04; the charged detection module 17 adopts the inductive charged detection device, the model is: BDXN.

Above-mentioned embodiment is only the preferred technical scheme of the present utility model, and should not be considered as the restriction to the present utility model, and the protection scope of the present utility model should be the technical solution described in the claims, including the technology in the technical solution described in the claims. An equivalent alternative to the feature is the scope of protection. That is, equivalent replacement and improvement within this scope are also within the protection scope of the present utility model.

Claims (7)

1. An anti-shock early warning device based on power transmission line induction, including a power transmission tower and a power transmission line (1), characterized in that: the power transmission tower is provided with a front cross arm (7) and a rear cross arm ( 3), a control box (8) is installed on one of the cross arms, and an ultrasonic distance measuring device (4), an audible and visual alarm (5) and an infrared detection device (6) are installed on both sides of the control box (8) ; The control box (8) is provided with a main control module (12), the ultrasonic distance measuring device (4), the sound and light alarm (5) and the infrared detection device (6) are all connected to the main control module (12); The control box (8) is also equipped with a power supply module, and a CT induction power collection device (2) is provided on the transmission line (1). The CT induction power collection device (2) is connected to the power supply module, and the power supply module is connected to the main control Module (12) is connected. 2. An anti-electric shock warning device based on power transmission line induction according to claim 1, characterized in that: the power supply module includes an overcurrent protection device (15), a rectifier device (14), a voltage stabilizing device (16 ) and battery (13), CT induction power-taking device (2) is connected with overcurrent protection device (15), overcurrent protection device (15) is connected with rectifier device (14), rectifier device (14) is connected with voltage stabilizing device ( 16) connection, the voltage stabilizing device (16) is connected with the storage battery (13), and the storage battery (13) is connected with the main control module (12). 3. An anti-electric shock warning device based on power transmission line induction according to claim 1, characterized in that: a wind speed sensor (10) is also installed on the transmission tower, and a wind speed sensor (10) is also installed in the control box (8). A temperature sensor (11), a wind speed sensor (10) and a temperature sensor (11) are all connected to the main control module (12). 4. According to claim 1 or 3, an anti-electric shock warning device based on power transmission line induction, characterized in that: the side of the control box (8) is provided with a display screen (9), and the display screen (9) Connect with the main control module (12). 5. An anti-electric shock warning device based on power transmission line induction according to claim 1, characterized in that: the control box (8) is also equipped with a live detection module (17), and the live detection module (17) Connect with the main control module (12). 6. An anti-electric shock warning device based on power transmission line induction according to claim 1, characterized in that: the main control module (12) is also connected to the wireless communication module (18), and the wireless communication module (18) ) is connected with the host computer (19). 7. An anti-electric shock warning device based on power transmission line induction according to claim 1, characterized in that: the control box (8) is made of insulating material, and is fixed on the transmission tower by bolts.