CN205230153U - Phone approval work ticket management and control system - Google Patents

Abstract

A telephone license work ticket management and control system, characterized in that it is composed of an operation and maintenance center server, an intelligent lock control host, a computer key, and a substation access lock. The operation and maintenance center server communicates with the intelligent lock control host through a wireless network, and the computer key and The smart lock control host is matched with the computer key. The computer key communicates wirelessly with the smart lock control host through the communication module. The smart lock control host stores the unlocking authority of each access control and the RFID code corresponding to the RFID chip in the lock. The computer key reads the substation The RFID code in the mechanical lock of the access control can open the locks on the access control of the substation. This system can effectively solve the problem that the work ticket of the telephone permission cannot be controlled in the previous work. After using the system, the remote permission of the maintenance staff and The process of ending the work ticket strictly controls the action area of the maintenance personnel during the work process, laying a good foundation for the task of electric power safety production.

Description

Telephone permit work ticket management and control system

technical field

The utility model belongs to the technical field of remote management and control, and in particular relates to a management and control system for a telephone license work ticket in a power system.

Background technique

A work ticket is a written order to allow work on electrical equipment. It is also a written basis for clarifying safety responsibilities, making safety disclosures to staff, performing work permit procedures, work interruption, transfer and termination procedures, and implementing technical measures to ensure safety. Therefore, when working on electrical equipment, it is very necessary to fill in the work tickets carefully as required. Traditional and paper-based work tickets are filled out by hand, which is likely to cause problems such as illegible handwriting, typos, and unclear content expressions, and there are certain potential safety hazards. The work ticket is a written certificate that must be held by every person entering the substation for maintenance and daily work, and its importance is self-evident in safe production. At the present stage, for some of the two types of work tickets that use telephone permission to carry out the permit and termination procedures, since the on-duty personnel of the substation did not go directly to the work site for face-to-face disclosure and permit, it is impossible to have a comprehensive understanding of the safety situation at the work site. Strict management makes it difficult to achieve comprehensive and perfect on-site safety control.

The maintenance personnel need to enter the corresponding high-pressure room or the high-pressure room separated by equipment to carry out the maintenance tasks on the work ticket. Therefore, if the gates and equipment box doors of each room can be managed and controlled by remote control, it will greatly help the realization of the goal of remote control of work tickets.

At present, mechanical locks are widely used in high-voltage chambers, equipment mechanism box doors, relay protection cabinet doors and other equipment in substations, and these equipment come from different manufacturers. Taking the conventional 220 kV substation as an example, there are more than 500 mechanical lock points in the station, and there are more than 20-30 kinds of keys. Due to the large number of locks and inconsistent keys, the operation and maintenance personnel have to do daily inspections and switching operations. It takes a lot of time to manage and search for keys, which greatly reduces the efficiency of daily operation and maintenance.

In the era of rapid development of computer technology, especially with the wide application of network information management systems in various fields of society, network information management has become an important aspect for enterprises to strengthen organizational management, accurately calculate operations, improve economic benefits, and shorten business processing time. One of the means. In the power system, internal LAN has been widely used to transmit business work. Therefore, it is the most direct and effective way to achieve the purpose of remote control of work tickets through LAN.

Contents of the invention

Aiming at the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a management and control system for telephone permit work tickets, so as to improve the management efficiency of work tickets and realize paperless transmission of work tickets.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A telephone license work ticket management and control system, characterized in that it is composed of an operation and maintenance center server, an intelligent lock control host, a computer key, and a substation access lock. The operation and maintenance center server communicates with the intelligent lock control host through a wireless network, and the computer key and The smart lock control host is matched, and the computer key communicates wirelessly with the smart lock control host through the communication module. The smart lock control host stores the unlocking authority of each access control and the RFID code corresponding to the RFID chip in the lock. The computer key reads the substation The RFID code in the access control mechanical lock unlocks the locks on each access control of the substation.

Described computer key is made up of embedded processor, A/D acquisition module, power management module, storage module, liquid crystal display, communication module, keyboard, clock circuit module, and embedded processor is respectively connected with A/D acquisition module, power management module, storage module, liquid crystal display, communication module, keyboard, and clock circuit module are connected, the A/D acquisition module collects the RFID code in the lock on the access control, and the communication module is used to receive the unlocking authority and RFID code data of the intelligent lock control host, and Save this data in the storage module.

The computer key is equipped with a GPRS wireless communication module, and the computer key is connected to the GPRS network of the communication operator through the GPRS wireless communication module, and then connected to the remote operation and maintenance center server.

The computer key is provided with a MINIUSB interface, and the computer key can be charged through the MINIUSB interface.

The computer key is also provided with an audio recording and playback module and an image acquisition module to realize recording and photographing functions.

The computer key is also provided with an IC card identification module, and the IC card identification module is connected with the embedded processor through the I/O expansion module.

Compared with the prior art, the utility model has the following beneficial effects:

1) The design idea of separating data and program is adopted, and the modification of the program does not affect the integrity of the main data structure of the system. System data hierarchical management, high system security;

2) The management software, as the system software of one-key communication, is implemented by C# language programming, communicates with the key to transmit data, issues instructions to the key, and records the operation content;

3) Standardized, modularized and standardized design ensures the reliability of the system;

4) With the operation and maintenance center server and the intelligent lock control host as the main control unit, the intelligent lock control system and database software are installed in the intelligent lock control host, and a special intelligent computer key and locking lock are configured to realize the intelligent lock control system. In one task, only one key is needed to unlock all the doors and equipment locks within the delineated range, and the unlocking operation can also be performed step by step according to the work ticket process;

5) The smart lock control host can query the status of the main network and distribution network lock control, and realize remote access, authorization, storage, printing and other functions. Realize the real sense of telephone license work ticket management and control functions.

6) Effectively standardize the process and precautions of the two types of work ticket remote licensing, and technically realize the remote security control of the work ticket and its maintenance personnel carried out by the main substation substation to the substation substation.

7) Starting from the key itself, the system enables the key to have lock code recognition and intelligent judgment capabilities. The key not only has the "universal" property of a conventional master key, that is, it can open all kinds of locks in the substation after being authorized, but it does not have the conventional master key. The "arbitrary" nature of the key means that no lock can be opened without authorization. Fundamentally put an end to the variety of substation keys, loss and other safety hazards, effectively ensuring the correctness of substation equipment unlocking.

Description of drawings

Fig. 1 is a system configuration diagram of the utility model

Fig. 2 is the structural block diagram of the computer key of the present utility model.

detailed description

The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the invention may be referred to herein by the term "utility model", individually or collectively, for convenience only and not to automatically limit if more than one utility model is in fact disclosed The scope of this application is any single utility model or utility model concept.

Referring to Fig. 1, the remote management and control system for telephone permission of the utility model is composed of an operation and maintenance center server, an intelligent lock control host, a computer key, and a substation access control lock. The operation and maintenance center server communicates with the intelligent lock control host through a wireless network, the computer key is matched with the intelligent lock control host, and the computer key communicates wirelessly with the intelligent lock control host through the communication module.

The intelligent lock control system and database software are installed in the intelligent lock control host, and a special computer key is configured to realize the intelligent lock control system. The intelligent lock control host includes an embedded industrial computer, an LCD touch screen, and a computer key charger. The smart lock control host stores the unlocking authority of each access control and the corresponding RFID code of the RFID chip in the lock. Access control mainly includes access doors in important areas such as substations, as well as doors of various electrical equipment cabinets. These access controls are equipped with locks, and each lock is equipped with a different RFID code chip, which can only be opened by a computer key. The computer key reads the RFID code in the access control mechanical lock of the substation, and opens the locks on each access control of the substation. The specific structure of the lockset is not the solution to be improved by the utility model, so it will not be repeated here.

See Figure 2, Figure 2 shows the structural block diagram of the computer key, the computer key hardware system consists of an embedded processor, an A/D acquisition module, a power management module, a storage module, a liquid crystal display, a communication module, a keyboard, and a clock circuit module . The embedded processor is respectively connected with the A/D acquisition module, power management module, storage module, liquid crystal display, communication module, keyboard, and clock circuit module. The A/D acquisition module collects the RFID code, battery power, power The management module mainly includes two parts: charging management and DC voltage conversion, which provide various levels of voltage for the entire system. The embedded processor is the core of the system to control all sub-modules. The communication module provides infrared decoding and communication functions for each part. The infrared transceiver combination realizes the wireless infrared communication in IRDA mode, communicates through the communication module intelligent lock control host, and the communication module receives the unlock authority and RFID code data of the intelligent lock control host, and saves the data in the storage module. LCD monitor and keyboard provide display and operation interface. The clock circuit module mainly provides working clocks to the processor and other modules.

The computer key is also provided with an IC card identification module for identification or external storage, and the IC card identification module is connected with the embedded processor through the I/O expansion module.

In order to realize multiple data transmission methods, the computer key is also equipped with a GPRS wireless communication module and a MINIUSB interface. The GPRS wireless communication module and the MINIUSB interface are respectively connected to the embedded processor. Network, and then connected to the remote operation and maintenance center server, so as to realize the remote data transmission function, so that the data can be transmitted and updated in real time, the MINIUSB interface is smaller than the ordinary USB interface, and the computer key can be charged through the MINIUSB interface .

The computer key is also equipped with an audio recording and playback module and an image acquisition module to realize the functions of recording and taking pictures. The recording can monitor whether the operator has strictly implemented the operating procedures. As long as the on-site recording record is played back, the original sound can be replayed, and the responsible person is clearly defined to prevent the operation. Violations in the process, the realization of the camera function, so that the computer key can take pictures of the equipment after each operation is completed, and at the same time, the images can be sent back in real time through the GPRS wireless communication module, and the faults that occur on site can also be monitored. The accident was photographed and recorded.

The audio recording and playback module uses an audio codec chip UDA1341TS. In order to record in real time during the computer key work process, the recorded sound is connected to the analog input port of the audio codec chip through the MIC interface. The image acquisition module uses an image sensor as the main component. And set the camera interface.

The computer key uses advanced power management, and its standby time is 50% higher than that of other manufacturers. The computer key supports a variety of IC cards and has various applications. The Xmodem file transfer protocol is embedded in the boot program, which can make the computer key software upgrade itself and facilitate maintenance.

Hardware platform: ARM7TDMI core processor AT91R4008, directly connected to the off-chip memory through the programmable external bus interface (EBI), the actual performance is eight priority interrupt vector controllers connected to the peripheral data controller, sneaked into the ARM7TMDI core with embeddedICE, interfaces, registers and peripheral functions.

In the field work, after the computer key receives the operation task from the intelligent lock control host, it receives the data of the unlocking range. For comparison, if the codes are consistent, the corresponding unlocking conditions are met, and the locks that match the current work area are unlocked to open the workplace, but the locks whose codes do not match the current work cannot be opened, and the staff cannot enter. For the purpose of protecting personal and equipment safety. After the work ticket is completed, the computer key will return the completed information to the host of the work ticket management and control system to complete the current work task process.

In one task, only one key is needed to unlock all the doors and equipment locks within the delineated range, and the unlocking operation can also be carried out step by step according to the work ticket process. When unlocking, you must first confirm that the key prompt is consistent with the unlocking object , otherwise the lock cannot be unlocked.

When using this system, the operation information of the equipment needs to be remotely applied to the operation and maintenance team center server through the on-site intelligent lock control host and authorized by it. It can perform tasks such as one-click authorization, selective authorization, intelligent opening and closing, and operation record query.

When remote work is permitted, after the operation and maintenance center staff approve the work by phone, the on-site maintenance staff must apply to the operation and maintenance center staff for unlocking through the smart lock control host to meet the needs of entering the work site and other work.

In view of safety and work system considerations, this permission method is only used in some jobs now, and the following jobs that use the second type of work ticket can use the remote permission method:

(1) Weeding and greening maintenance of the substation (the work certificate of the person in charge of the inspection work);

(2) Carry out jumping and troubleshooting of administrative telephone services on the communication screen;

(3) Overhaul of dispatching telephone terminals and dispatching telephone recording systems;

(4) Carry out jumping and troubleshooting of a single channel of dispatching calls and information network on the communication screen, while not affecting the work of the other channel that is still in normal operation;

(5) Optical fiber jumping performed on the communication screen without affecting other operations;

(6) The optical cable (cable) fault test location on the communication screen, and the test with the empty fiber pair, without interrupting the business;

(7) Oil sampling work for equipment that does not involve stopping the main equipment;

(8) Does not involve stopping the main equipment (protected transformer respirator for silicone work):

(9) The on-line monitoring device of the substation equipment is limited to the elimination of the device body;

(10) Ground potential anti-corrosion paint work for substation equipment that does not require power outages;

(11) The main grounding network of the substation and the grounding resistance test of the independent lightning rod.

Through the application of the work ticket remote control system for a period of time, it has been proved that the system can effectively solve the problem that the work tickets approved by the phone cannot be controlled in the previous work. After using the new intelligent system, the remote permission of maintenance staff and The process of ending the work ticket strictly controls the action area of the maintenance personnel during the work process, laying a good foundation for the task of electric power safety production. Moreover, the application of the new intelligent work ticket remote control system has further improved the labor efficiency of electric power production workers, and greatly saved manpower and material resources on the premise of strengthening safety control. It is a new mode to realize remote control of maintenance work .

Claims (6)

1. A telephone license work ticket management and control system, characterized in that: it is composed of an operation and maintenance center server, an intelligent lock control host, a computer key, and a substation access lock. The operation and maintenance center server communicates with the intelligent lock control host through a wireless network, and the computer The key is matched with the intelligent lock control host, and the computer key communicates wirelessly with the intelligent lock control host through the communication module. Take the RFID code in the access control mechanical lock of the substation, and open the locks on each access control of the substation. 2. A kind of telephone permission work ticket control system as claimed in claim 1, characterized in that: said computer key is composed of embedded processor, A/D acquisition module, power management module, storage module, liquid crystal display, communication module , keyboard, and clock circuit modules, the embedded processor is respectively connected with the A/D acquisition module, power management module, storage module, liquid crystal display, communication module, keyboard, and clock circuit module, and the A/D acquisition module collects the contents of the access control lock. RFID encoding, the communication module is used to receive the unlocking authority and RFID encoding data of the intelligent lock control host, and store the data in the storage module. 3. A kind of telephone license work ticket management and control system as claimed in claim 1, characterized in that: the computer key is provided with a GPRS wireless communication module, and the computer key is connected to the GPRS network of the communication operator through the GPRS wireless communication module, and then connected to Remote operation and maintenance center server. 4. A telephone license work ticket control system as claimed in claim 1, characterized in that: the computer key is provided with a MINIUSB interface, and the computer key can be charged through the MINIUSB interface. 5. A telephone license work ticket control system as claimed in claim 1, characterized in that: the computer key is also provided with an audio recording and playback module and an image acquisition module to realize the functions of recording and taking pictures. 6. A telephone license work ticket control system as claimed in claim 2, characterized in that: the computer key is also provided with an IC card identification module, and the IC card identification module is connected to the embedded processor through an I/O expansion module.