CN204965697U - Clamp plate state is kept watch on and is prevented mistake management system - Google Patents

Abstract

The utility model discloses a pressure plate state monitoring and error prevention management system, which is characterized in that it is composed of four parts: a pressure plate management host, a pressure plate controller, a pressure plate state collector and a pressure plate state sensor, and the pressure plate management host is composed of an error prevention host and a transmission adapter Composed of a computer key, the computer key is connected to the transmission adapter through the data line, the transmission adapter is connected to the error prevention host (central processing unit) through the data line, the error prevention host is connected to the pressure plate controller through the data line, and the pressure plate controller is The data line is connected with at least two sets of platen state collectors to realize the monitoring of the platen state and the management of error prevention. It has the advantages of safety and reliability, no impact on the secondary circuit of the pressing plate, high degree of automation, and full monitoring of soft pressing plate and hard pressing plate.

Description

Platen status monitoring and error prevention management system

technical field

The utility model relates to a monitoring device in an electric power system, specifically a pressure plate state monitoring and error prevention management system suitable for substations and power plants of various voltage levels, which can realize remote monitoring and management of the pressure plate state.

Background technique

The pressure plate is the bridge and link for the relay protection device or automatic device to connect with the external wiring, which is related to whether the protection function and the action outlet can work normally. When the operation mode of the power system changes, it often involves switching on and off of the pressure plate. If there is a wrong or missed switching on and off, it will directly affect the realization of the relay protection function. In serious cases, it will cause the protection to refuse to operate or malfunction, and affect the safety of the power grid. run. "State Grid Corporation Safety Management Regulations on Prevention of Electrical Misoperation" points out that the principle requirements for the management of secondary equipment to prevent electrical misoperation are: operation of the pressure plate, operation of the current terminal, operation of the switching switch, operation of plugging and unplugging, operation of the secondary switch, and button operation For relay protection operations such as , setting value change, etc., correct operation requirements and measures to prevent electrical misoperation should be formulated.

However, in the current management of the substation, there are problems such as the inability to monitor the state of the pressure plate online, the investment and withdrawal of the pressure plate, and the operation of the pressure plate, which consumes a lot of manpower and time, and the secondary equipment of the substation has a blind area for preventing errors. Violation of relevant regulations can easily cause grid accidents.

Contents of the invention

The purpose of the utility model is to solve the deficiencies of the prior art and provide a safe and fully intelligent pressure plate state monitoring and error prevention management system.

The utility model can be achieved through the following measures:

A platen state monitoring and error prevention management system, characterized in that it consists of four parts: a platen management host, a platen controller, a platen state collector, and a platen state sensor. The platen management host is composed of an error prevention host (central processing unit), a transmission adapter Composed of a computer key, the computer key is connected to the transmission adapter through the data line, the transmission adapter is connected to the error prevention host (central processing unit) through the data line, and the error prevention host (central processing unit) is connected to the pressure plate controller through the data line , the platen controller is connected to at least two sets of platen state collectors through the data line, each platen state collector is connected to a set of platen state sensors, and the platen management host cooperates with the platen controller by installing supporting software to obtain different screens. /cabinet or different substation pressure plate information, according to the obtained pressure plate information, realize a variety of operations on the pressure plate, the pressure plate controller through the Ethernet or RS485 communication interface, as a connection bridge between the management host and the status collector, the pressure plate status acquisition The sensor reads and uploads the information of the pressure plate on the protective screen/cabinet, and reads the computer key operation sequence, and returns the operation result. The pressure plate status sensor reads the information of each pressure plate, and can give the corresponding pressure plate operation instructions and abnormal changes. Position status indication to realize the monitoring of the pressure plate status and the management of error prevention.

In the error prevention mode of the utility model, when the pressing plate is operated, the operation ticket is issued from the pressing plate management host and sent to the computer key, and the computer key transmits the operation instructions to the intelligent pressing plate controller or the pressing plate through the key interface according to the sequence of the operating ticket The status collector, the intelligent platen controller or the platen status collector lights up the operation indicators of the corresponding platen one by one according to the operation instructions, prompting the operator to operate; The collector will send out an audible and visual alarm signal, and upload the alarm information to the platen management host, and the background system of the platen management host will prompt an alarm.

In the monitoring mode of the utility model, the background system monitors the state of the pressing plate in real time, and prompts and records the displacement information of the pressing plate, and automatically checks the state of the pressing plate according to the primary system operation mode. When the position is in place, the background system will prompt an alarm.

The advantages and effects of the utility model: first, the installation of the product does not require power failure, no need to change the wiring of the pressing plate and the state of the pressing plate, and is installed in the way of clamping and pasting, which is safe and reliable; The secondary circuit has no influence; the third is that the system can be embedded in the primary error prevention system in the form of a subsystem to form a comprehensive error prevention from the primary to the secondary equipment; the fourth is that the pressure plate controller adopts the standard protocol and can be used as an interval layer equipment Connected to the comprehensive self-control system to realize the comprehensive monitoring of soft and hard pressure plates.

Description of drawings

Fig. 1 is a kind of structural schematic diagram of the utility model.

detailed description

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

As shown in the figure, a platen state monitoring and error prevention management system is characterized in that it consists of four parts: a platen management host, a platen controller 2, a platen state collector 3, and a platen state sensor 4. The platen management host is composed of an error prevention host 1 (central processing unit), transmission adapter 5 and computer key 6. The computer key 6 is connected to the transmission adapter 5 via a data line, and the transmission adapter 5 is connected to the error-proof host 1 (central processing unit) via a data line to prevent errors. The host 1 (central processing unit) is connected to the platen controller 2 through the data line, and the platen controller 2 is connected to at least two sets of platen state collectors 3 through the data line, and each platen state collector 3 is connected to a set of platen state collectors. 4 sensors are connected, and the pressure plate management host cooperates with the pressure plate controller by installing supporting software to obtain the pressure plate information of different screens/cabinets or different substations, and realize various operations on the pressure plate according to the obtained pressure plate information. Network or RS485 communication interface, as the connection bridge between the management host and the state collector, the pressure plate state collector reads and uploads the information of the pressure plate on the protection screen/cabinet, and reads the computer key operation sequence, returns the operation result, and the state of the pressure plate The sensor reads the information of each platen, and can give the corresponding platen operation instructions and abnormal displacement indications, so as to realize the monitoring of the platen status and anti-mistake management.

In the error prevention mode of the utility model, when the pressing plate is operated, the operation ticket is issued from the pressing plate management host and sent to the computer key, and the computer key transmits the operation instructions to the intelligent pressing plate controller or the pressing plate through the key interface according to the sequence of the operating ticket The status collector, the intelligent platen controller or the platen status collector lights up the operation indicators of the corresponding platen one by one according to the operation instructions, prompting the operator to operate; The collector will send out an audible and visual alarm signal, and upload the alarm information to the platen management host, and the background system of the platen management host will prompt an alarm.

In the monitoring mode of the utility model, the background system monitors the state of the pressing plate in real time, and prompts and records the displacement information of the pressing plate, and automatically checks the state of the pressing plate according to the primary system operation mode. When the position is in place, the background system will prompt an alarm.

The advantages and effects of the utility model: first, the installation of the product does not require power failure, no need to change the wiring of the pressing plate and the state of the pressing plate, and is installed in the way of clamping and pasting, which is safe and reliable; The secondary circuit has no influence; the third is that the system can be embedded in the primary error prevention system in the form of a subsystem to form a comprehensive error prevention from the primary to the secondary equipment; the fourth is that the pressure plate controller adopts the standard protocol and can be used as an interval layer equipment Connected to the comprehensive self-control system to realize the comprehensive monitoring of soft and hard pressure plates.

It is the state monitoring and error prevention management system of the pressing plate. The system has two working modes, that is, error prevention mode and monitoring mode.

In the error prevention mode, when the platen is operated, an operation ticket is issued from the platen management host and sent to the computer key, and the computer key transmits the operation instructions to the intelligent platen controller or platen status collector through the key interface in accordance with the order of the operation ticket , the intelligent platen controller or the platen state collector lights up the operation indicator lights corresponding to the platen one by one according to the operation instructions, prompting the operator to operate. If there is no platen that has been invoiced or operated incorrectly, the intelligent platen controller or platen status collector will send out an audible and visual alarm signal, and upload the alarm information to the platen management host, and the background system of the platen management host will prompt an alarm.

In the monitoring mode, the background system monitors the status of the pressing plate in real time, and prompts and records the displacement information of the pressing plate, and automatically checks the state of the pressing plate according to the system operation mode. When the pressing plate is abnormally displaced, The background system will prompt an alarm.

Claims (3)

1. A platen state monitoring and error prevention management system is characterized in that it is composed of four parts: a platen management host, a platen controller, a platen state collector and a platen state sensor, and the platen management host is composed of an error prevention host, a transmission adapter and a computer key The computer key is connected to the transmission adapter through the data line, the transmission adapter is connected to the error prevention host through the data line, the error prevention host is connected to the pressure plate controller through the data line, and the pressure plate controller is connected to at least two sets of pressure plates through the data line Each platen status collector is connected to a group of platen state sensors. The platen management host cooperates with the platen controller by installing supporting software to obtain platen information of different screens/cabinets or different substations. Platen information, realize various operations on the platen, the platen controller through the Ethernet or RS485 communication interface, as a connection bridge between the management host and the status collector, the platen status collector reads and uploads the information of the platen on the protection screen/cabinet , and read the computer key operation sequence, return the operation result, the platen status sensor reads the information of each platen, and can give the corresponding platen operation instructions and abnormal displacement instructions, so as to realize the monitoring of the platen status and error prevention manage. 2. A pressing plate state monitoring and error prevention management system according to claim 1, characterized in that when operating the pressing plate in the error prevention mode, an operation ticket is issued from the pressing plate management host and sent to the computer key, and the computer key passes The key interface transmits the operation instructions to the intelligent platen controller or the platen status collector according to the order of the operation tickets, and the intelligent platen controller or the platen state collector lights up the operation indicators of the corresponding platen one by one according to the operation instructions, prompting the operator to operate; If there is no platen that has been invoiced or operated incorrectly, the intelligent platen controller or platen status collector will send out an audible and visual alarm signal, and upload the alarm information to the platen management host, and the background system of the platen management host will prompt an alarm. 3. A pressure plate state monitoring and error prevention management system according to claim 1, characterized in that in the monitoring mode, the background system monitors the state of the pressure plate throwing and withdrawing in real time, and prompts the displacement information of the pressing plate throwing and withdrawing and records, and automatically check the state of the pressure plate according to the primary system operation mode. When the pressure plate is abnormally displaced, the background system will prompt an alarm.