CN204332001U - The nearly electrical protective device of a kind of high-voltage power supply - Google Patents

Abstract

The utility model discloses a near-electricity protection device for a high-voltage power supply, which includes an early warning unit, a power-off unit, and a power supply module for supplying power to the above two units, wherein the early warning unit includes a human body induction module, a signal processing module and The alarm module, the human body sensing module sends the detection signal to the signal processing module, and the signal processing module sends an alarm prompt through the alarm module after analysis and processing; the power-off unit includes an infrared detection module and a data transmission module connected in sequence, and the data The transmission module includes a wireless transmitter and a wireless receiver, wherein the signal output terminal of the wireless receiver is connected to the tripping relay of the high-voltage power supply through a trigger, and the infrared detection module sends a detection signal to the data transmission module to control the disconnection of the high-voltage power supply. The above-mentioned high-voltage power supply close-to-electricity protection device has double protection of early warning and power failure, and has a simple structure, convenient installation and disassembly, and low cost.

Description

A high-voltage power supply near-electricity protection device

technical field

The utility model relates to a near-electric protection device for a high-voltage power supply, which belongs to the technical field of electric power system protection equipment.

Background technique

In order to keep people passing through the dangerous area of high-voltage testing away from high-voltage dangerous equipment, electric power departments usually set up safety warning fences to warn and block them. The safety warning methods adopted are mainly reflected in: hanging "stop, high-voltage danger" signs , pull fence rope etc., but these methods all belong to passive warning, barrier, can not play good safety warning, barrier effect.

In view of this, the present inventor conducted research on this, and specially developed a high-voltage power supply near-electricity protection device, and this case arose from it.

Utility model content

The purpose of the utility model is to provide a high-voltage power supply close-to-electricity protection device, which has double protection of early warning and power failure, and has a simple structure, convenient installation and disassembly, and low cost.

In order to achieve the above object, the solution of the present utility model is:

A high-voltage power supply near-electricity protection device, including an early warning unit, a power failure unit, and a power supply module for supplying power to the above two units, wherein the early warning unit includes a human body induction module, a signal processing module, and an alarm module connected in sequence, and the human body The sensing module sends the detection signal to the signal processing module, and the signal processing module sends an alarm prompt through the alarm module after analysis and processing; the power-off unit includes an infrared detection module and a data transmission module connected in sequence, and the data transmission module includes a wireless The transmitter and the wireless receiver, wherein the signal output terminal of the wireless receiver is connected to the tripping relay of the high voltage power supply through the trigger, and the infrared detection module sends the detection signal to the data transmission module to control the disconnection of the high voltage power supply.

As a preference, the human body sensing module adopts an infrared human body sensor. When the human body sensor senses that the human body is approaching, it outputs a signal to the signal processing module. Danger, alert.

As a preference, the signal processing module is controlled by a microprocessor, specifically a microprocessor model AT89C52 can be selected.

Preferably, the alarm module includes a voice alarm and a light alarm. When a person approaches the high-voltage power supply, the voice alarm will issue a voice alarm, and the light alarm will issue a light alarm to remind the other party not to approach.

As preferably, the infrared detection module includes an infrared transmitter and an infrared receiver, the output of the infrared receiver is connected to the wireless transmitter of the data transmission module, and the infrared detection module is used to detect whether a person enters the high-voltage area, and transmits the information via wireless The transmitter sends the detection signal to the wireless receiver of the data transmission module.

Preferably, the human body sensing module, the infrared detection module and the wireless transmitter are installed in the same housing, and the housing is installed on a safety fence around the high-voltage power supply.

When the high-voltage power supply proximity protection device described in the utility model works, the human body induction module, infrared detection module and wireless transmitter are first installed on each safety fence around the high-voltage power supply, and when someone approaches the high-voltage power supply area, they are installed on the fence The human body induction module on the body sends the detected signal to the signal processing module. After the signal processing module is analyzed and processed, it sends out a voice signal of "stop, high voltage danger" through the alarm module, and lights up the alarm light at the same time; When the "dangerous" signal continues to break into the safety fence area set by the high-voltage power supply, the infrared detection module will send the detection signal to the wireless receiver of the data transmission module through the wireless transmitter, and cut off the high-voltage power supply through the wireless receiver to ensure that personnel and equipment safety.

The high-voltage power supply proximity protection device with the above structure can remind personnel not to approach the high-voltage power supply, and can cut off the power supply immediately when personnel break into the safety fence of the high-voltage power supply. It has the function of early warning and power failure. , can play double protection; and the whole device is simple in structure, easy to install and disassemble, and can be applied to multiple safety fences of different specifications.

The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the block diagram of the early warning unit module of the high-voltage power supply near-electric protection device of the present embodiment;

Fig. 2 is a block diagram of the power-off unit module of the high-voltage power supply near-electricity protection device of the present embodiment;

Fig. 3 is the circuit diagram of the signal processing module and the alarm module of the high-voltage power supply near-electric protection device of the present embodiment;

FIG. 4 is a circuit diagram of the wireless receiver of the high-voltage power supply proximity protection device of this embodiment.

Detailed ways

As shown in Figures 1 and 2, a high-voltage power supply proximity protection device includes an early warning unit, a power failure unit, and a power supply module for supplying power to the above two units, wherein the early warning unit includes a human body induction module 1 connected in sequence , a signal processing module 2 and an alarm module 3, the power-off unit includes an infrared detection module 4 and a data transmission module 5 connected in sequence, and the data transmission module 5 includes a wireless transmitter and a wireless receiver, wherein the wireless receiver The signal output end is connected with the tripping relay 6 of the high voltage power supply,

As shown in FIG. 3 , the signal processing module 2 is controlled by a microprocessor, and in this embodiment, a microprocessor model AT89C52 is specifically selected. The human body sensing module 1 adopts an infrared human body sensor, and the infrared human body sensor is connected to the signal processing module 2 through a socket head, and the alarm module 3 includes a voice alarm and a light alarm, and outputs an The signal is sent to the signal processing module 2, and the signal processing module 2 is processed by the signal and sent to the voice alarm through the signal amplifier, which sends out a voice signal of "stop, high voltage danger", and at the same time, the light alarm sends out a light alarm to remind the other party not to approach.

Described infrared detection module 4 comprises infrared emitter and infrared receiver, and the output terminal of outer infrared receiver is connected with the wireless transmitter of data transmission module 5, and infrared detection module 4 is used for detecting whether personnel enters high voltage area, and through wireless The transmitter sends the detection signal to the wireless receiver of the data transmission module.

As shown in Figure 4, the signal output end of the wireless receiver is connected to the trip relay 6 of the high-voltage power supply through the DQ trigger and the triode, and the detection signal of the infrared detection module reaches the wireless receiver through the wireless transmitter, and passes through the DQ trigger. , triode and the tripping relay 6 of the high-voltage power supply control the disconnection of the high-voltage power supply.

For the convenience of installation, the human body sensing module 1, the infrared detection module 4 and the wireless transmitter are installed in the same casing, and the casing is installed on the safety fence around the high voltage power supply.

When the high-voltage power supply near-electricity protection device described in the utility model works, the human body induction module 1, the infrared detection module 4 and the wireless transmitter are installed on each safety fence around the high-voltage power supply, and when someone approaches the high-voltage power supply area, install The human body induction module 1 on the fence sends the detected signal to the signal processing module 2, and after the signal processing module 2 is analyzed and processed, the voice signal of "stop, high voltage danger" is sent through the alarm module 3, and the alarm light is turned on at the same time; When personnel continue to break into the safety fence area set by the high-voltage power supply regardless of the "stop, high-voltage danger" signal, the infrared detection module 4 sends the detection signal to the wireless receiver of the data transmission module through the wireless transmitter, and cuts off the high-voltage through the wireless receiver. power supply to ensure the safety of personnel and equipment.

The above-mentioned embodiments and drawings do not limit the product form and style of the present utility model, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present utility model.

Claims (6)

1. A high-voltage power supply near-electric protection device is characterized in that: it includes an early warning unit, a power-off unit, and a power supply module for supplying power to the above two units, wherein the early warning unit includes a human body induction module connected in sequence, a signal processing Module and alarm module, the human body sensing module sends the detection signal to the signal processing module, and the signal processing module sends an alarm prompt through the alarm module after analysis and processing; the power-off unit includes an infrared detection module and a data transmission module connected in sequence, so The data transmission module includes a wireless transmitter and a wireless receiver, wherein the signal output terminal of the wireless receiver is connected to the tripping relay of the high voltage power supply through a trigger, and the infrared detection module sends a detection signal to the data transmission module to control the disconnection of the high voltage power supply. 2. A high-voltage power supply proximity protection device as claimed in claim 1, characterized in that: the human body sensing module adopts an infrared human body sensor. 3. A high-voltage power supply proximity protection device as claimed in claim 1, characterized in that: said signal processing module is controlled by a microprocessor, specifically a microprocessor model AT89C52 can be selected. 4. A high-voltage power supply proximity protection device according to claim 1, wherein the alarm module includes a voice alarm and a light alarm. 5. A kind of high-voltage power supply proximity protection device as claimed in claim 1, characterized in that: the infrared detection module includes an infrared transmitter and an infrared receiver, and the output terminal of the outer infrared receiver and the wireless transmission module of the data transmission module connected to the device. 6. A high-voltage power supply proximity protection device as claimed in claim 1, characterized in that: the human body induction module, infrared detection module and wireless transmitter are installed in the same casing, and the casing is installed around the high-voltage power supply on the safety fence.