CN203299637U - Screen cabinet door monitoring early warning system - Google Patents

Abstract

Screen cabinet door monitoring and early warning system, involving the field of power grid security, including cabinet door detection devices for monitoring the opening or closing of cabinet doors, access control monitoring devices for opening substation doors, monitoring hosts and alarm devices; management personnel through monitoring hosts Determine the serial number of the panel to be maintained and the work order number for this maintenance. During the power grid maintenance work, the maintenance personnel output the work order number through the access control monitoring device, and the input work order number corresponds to the work order number signal stored in the monitoring host, and the access control monitoring device opens the gate. After the maintenance personnel open the corresponding screen cabinet door, the cabinet door detection device detects that the cabinet door is opened, and sends the screen cabinet number to the monitoring host, and the monitoring host judges whether the screen cabinet number corresponds to the stored screen cabinet number, if not Correspondingly, an alarm signal is sent through the alarm device.

Description

Screen cabinet door monitoring and early warning system

technical field

The utility model relates to the field of electric network security, in particular to an early warning system for monitoring the doors of screen cabinets.

Background technique

The unattended and intelligentization of substations has become an urgent goal, which puts forward higher requirements for the professional quality of maintenance personnel and monitoring personnel. From the perspective of operation monitoring personnel, the ability to fully control the operation of equipment in the station is a decisive factor affecting the safe and stable operation of the power grid; from the perspective of maintenance personnel, more comprehensive technical means are required for safe and efficient maintenance and commissioning as a guarantee.

However, the current substation maintenance has the following problems:

1) The maintenance personnel can open the door of the secondary screen cabinet in the protection room at will. During the commissioning work, the switch circuit may be accidentally activated to cause the switch to trip, which has serious hidden dangers.

2) In the renovation project of the old station, the warnings and distinctions of the equipment in operation are not clear enough, and the maintenance personnel may accidentally open the operation interval screen cabinet.

3) When multiple tasks are carried out at the same time or the substation is unattended, it is difficult for the monitoring personnel to detect whether there are human or other reasons, such as small animals, external personnel, etc., which cause the screen cabinet to open.

4) After a power grid accident occurs, the methods for judging the personnel, the cause of the accident, and the faulty device are not sufficient, and the means of accountability are not rigorous enough.

Utility model content

The purpose of this utility model is to provide a monitoring and early warning system for the screen cabinet door, which can realize unattended and intelligent substations, and improve the stability of power grid equipment during power grid maintenance.

The purpose of this utility model is achieved by such a technical solution, which includes a cabinet door detection device for monitoring the opening or closing state of the cabinet door, an access control monitoring device for opening the entrance of the substation, a monitoring host and an alarm device;

The cabinet door detection device is installed on the cabinet door of the screen cabinet, and sends the collected door status to the monitoring host;

The access control monitoring device is installed on the entrance door of the substation and interacts with the data of the monitoring host;

The alarm device receives control instructions from the monitoring host and sends out alarm information.

Further, the cabinet door detection device and the access control monitoring device exchange data with the monitoring host through the RS232 interface.

Further, the cabinet door detection device includes a signal transmitter and more than one disconnect switch, each screen cabinet door is equipped with a disconnect switch, the disconnect switches are electrically connected to the signal transmitter, and the signal transmitter Send the collected door status to the monitoring host.

Further, the alarm device includes a voice alarm and a light alarm.

Further, the system also includes a camera device installed at the entrance of the substation, and the camera device sends the collected image data to the monitoring host.

Further, the system also includes a wireless communication module, and the alarm information sent by the monitoring host is sent to the smart terminal through the wireless communication module.

Further, the smart terminal is a smart phone or a tablet computer.

Owing to adopting above-mentioned technical scheme, the utility model has following advantage:

The management personnel determine the number of the panel cabinet to be maintained and the work order number of the maintenance by monitoring the host computer. During the power grid maintenance work, the maintenance personnel output the work order number through the access control monitoring device, and the input work order number corresponds to the work order number signal stored in the monitoring host, and the access control monitoring device opens the gate. After the maintenance personnel open the corresponding screen cabinet door, the cabinet door detection device detects that the cabinet door is opened, and sends the screen cabinet number to the monitoring host, and the monitoring host judges whether the screen cabinet number corresponds to the stored screen cabinet number, if not Correspondingly, an alarm signal is sent through the alarm device.

Other advantages, objectives and features of the present utility model will be set forth in the following description to some extent, and to some extent, based on the investigation and research below, it will be obvious to those skilled in the art, or can be Get teaching from the practice of the utility model. The objectives and other advantages of the utility model can be realized and obtained by the following description and claims.

Description of drawings

The accompanying drawings of the utility model are as follows.

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

Detailed ways

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

Screen cabinet cabinet door monitoring and early warning system, including a cabinet door detection device for monitoring the opening or closing status of the cabinet door, an access control monitoring device for opening the entrance door of the substation, a monitoring host and an alarm device;

The cabinet door detection device is installed on the cabinet door of the screen cabinet, and sends the collected door status to the monitoring host;

The access control monitoring device is installed on the entrance door of the substation and interacts with the data of the monitoring host;

The alarm device is installed in the substation, receives control instructions from the monitoring host, and sends out alarm information.

The management personnel determine the number of the panel cabinet to be maintained and the work order number of the maintenance by monitoring the host computer. During the power grid maintenance work, the maintenance personnel output the work order number through the access control monitoring device, and the input work order number corresponds to the work order number signal stored in the monitoring host, and the access control monitoring device opens the gate. After the maintenance personnel open the corresponding screen cabinet door, the cabinet door detection device detects that the cabinet door is opened, and sends the screen cabinet number to the monitoring host, and the monitoring host judges whether the screen cabinet number corresponds to the stored screen cabinet number, if not Correspondingly, an alarm signal is sent through the alarm device.

The cabinet door detection device and the access control monitoring device exchange data with the monitoring host through the RS232 interface.

The cabinet door detection device includes a signal transmitter and more than one disconnect switch, each screen cabinet cabinet door is equipped with a disconnect switch, and the disconnect switches are electrically connected with the signal transmitter, and the signal transmitter will collect The received cabinet door status is sent to the monitoring host.

The alarm device includes a voice alarm and a light alarm.

The system also includes a camera device installed at the entrance of the substation, and the camera device sends the collected image data to the monitoring host. Managers can retrieve the stored video at any time to understand the real-time situation in the substation.

The system also includes a wireless communication module, and the alarm information sent by the monitoring host is sent to the intelligent terminal through the wireless communication module.

The smart terminal is a smart phone or a tablet computer.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions shall be covered by the claims of the present utility model.

Claims (7)

1. Screen cabinet cabinet door monitoring and early warning system, characterized in that: the system includes a cabinet door detection device for monitoring the opening or closing state of the cabinet door, an access control monitoring device for opening the entrance of the substation, a monitoring host and an alarm device; The cabinet door detection device is installed on the cabinet door of the screen cabinet, and sends the collected door status to the monitoring host; The access control monitoring device is installed on the entrance door of the substation and interacts with the data of the monitoring host; The alarm device is installed in the substation, receives control instructions from the monitoring host, and sends out alarm information. 2. The monitoring and early warning system for the screen cabinet door according to claim 1, characterized in that: said cabinet door detection device and access control monitoring device interact with the monitoring host through the RS232 interface. 3. The monitoring and early warning system for the screen cabinet door as claimed in claim 1, wherein the detection device for the cabinet door includes a signal transmitter and more than one break switch, and each screen cabinet door is equipped with A disconnect switch, the disconnect switches are electrically connected with the signal transmitter, and the signal transmitter sends the collected state of the cabinet door to the monitoring host. 4. The monitoring and early warning system for the screen cabinet door according to claim 1, wherein the alarm device includes a voice alarm and a light alarm. 5. The monitoring and early warning system for the screen cabinet door according to claim 1, characterized in that: the system also includes a camera device installed at the entrance of the substation, and the camera device sends the collected image data to the monitoring host. 6. The monitoring and early warning system for screen cabinet doors according to claim 1, wherein the system further includes a wireless communication module, and the alarm information sent by the monitoring host is sent to the smart terminal through the wireless communication module. 7. The monitoring and early warning system for the screen cabinet door according to claim 6, wherein the intelligent terminal is a smart phone or a tablet computer.

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