CN103308797B - Intelligent calibration system for automatic switching device of backup power supply - Google Patents

Abstract

The invention provides an intelligent checking system for an automatic switching device of a standby power supply, which comprises a power supply module, a control module for logic control, a voltage output module and a current output module for outputting analog voltage and current, a signal feedback module for sampling output voltage and current signals, an analog circuit breaker group, an auxiliary relay, a USB interface for communication, a keyboard for information input, a display module for information interaction and real-time interface display, an interface module for facilitating plug-in connection, an indicator lamp for displaying working state and a computer for providing an operation interface, having a checking database and controlling the checking overall situation. The invention has convenient and quick wiring, can conveniently display a working interface and related information, has intuitive and simple operation and improves the whole checking efficiency; the automatic switching device has the advantages that more comprehensive verification of the automatic switching device to be tested can be realized, the testing precision is high, and meanwhile, the influence of manual operation on the testing effect is avoided.

Description

Intelligent calibration system for automatic switching device of backup power supply

technical field

The invention relates to the technical field of power system testing and testing, in particular to a calibrator for calibrating and testing a backup power automatic switching device of a power supply system.

Background technique

Automatic switching of standby power supply (hereinafter referred to as standby automatic switching) device is an important power operation equipment to improve the reliability and continuity of power supply. At present, standby automatic switching device has been widely used. Before use and during maintenance It is often necessary to test and verify it.

The existing verification technology generally simulates the line parameters such as voltage and current in the actual line, and the analog circuit breaker provides binary input and receiving output, and the time tester and other devices sample the action time of the self-injection device. This method In the specific work process, the wiring is complicated, and the items required for some test items of standby automatic switching cannot be simulated, and some complex fault sequences cannot be accurately simulated. The authorized announcement number is CN101504449, and the Chinese patent document titled "testing instrument for self-injection equipment" discloses a highly integrated test instrument for self-injection equipment. Although the tester has made great progress, it is limited by conditions. It is still unable to fully simulate various states that may actually occur, especially some abnormal situations, such as circuit breaker slipping or refusing to move, main transformer failure, manual locking and switching, etc.; and, although it claims that the tester is simple in wiring, However, its specific wiring device is not disclosed, and the state of use of the tester cannot be displayed synchronously.

Contents of the invention

The purpose of the present invention is: to overcome the deficiencies of the prior art, to provide a backup power automatic switching device intelligent verification with simple wiring, convenient operation, intuitive display interface and the ability to more comprehensively simulate the test items and status of the standby automatic switching equipment system.

The technical solution of the present invention is: the intelligent verification system of the automatic switching device of the standby power supply of the present invention, its structural characteristics are: including a power supply module, a control module, a voltage output module, a current output module, a signal feedback module, an analog circuit breaker group, Auxiliary relay, USB interface, keyboard, display module, interface module, indicator light and computer;

The above-mentioned power module is provided with a power input terminal, a first power output terminal and a second power output terminal; the control module is provided with a voltage output control terminal, a power output control terminal, a feedback signal input terminal, an analog circuit breaker signal terminal, and an auxiliary relay control terminal. Terminal, USB communication terminal, keyboard signal input terminal, display signal output terminal, indicator light signal output terminal and power supply terminal; the voltage output module is provided with a control signal input terminal, a first voltage output terminal, a second voltage output terminal and a power supply terminal; The current output module is provided with a control signal input terminal, a current output terminal and a power supply terminal; the signal feedback module is provided with a first sampling signal terminal, a second sampling signal terminal, a third sampling signal terminal, a signal output terminal and a power supply terminal; an analog circuit breaker The group is provided with a first signal terminal, a second signal terminal and a power supply terminal; the auxiliary relay is provided with a control signal input terminal, an output terminal and a power supply terminal; the USB interface is provided with a first communication terminal and a second communication terminal; the keyboard is provided with a signal output terminal and power supply terminal; the display module is provided with a display signal input terminal and a power supply terminal; the interface module includes an interface board and a first voltage output connection terminal, a second voltage output connection terminal, a current output connection terminal, and an analog circuit breaker arranged on the interface board Connector connection terminal block and auxiliary relay output connection terminal; indicator light is provided with control signal input terminal and power supply terminal; computer is provided with communication terminal;

The control signal input terminal of the voltage output module is electrically connected to the voltage output control terminal of the control module; the first voltage output terminal of the voltage output module is electrically connected to the first voltage output connection terminal of the interface module; the second voltage output terminal of the voltage output module It is electrically connected to the second voltage output connection terminal of the interface module; the control signal input terminal of the current output module is electrically connected to the current output control terminal of the control module; the current output terminal of the current output module is electrically connected to the current output connection terminal of the interface module; The first sampling signal end of the signal feedback module is electrically connected to the first voltage output end of the voltage output module; the second sampling signal end of the signal feedback module is electrically connected to the second voltage output end of the voltage output module; the third sampling signal end of the signal feedback module The sampling signal end is electrically connected to the current output end of the current output module; the signal output end of the signal feedback module is electrically connected to the feedback signal input end of the control module; the first signal end of the analog circuit breaker group is connected to the analog circuit breaker signal end of the control module Two-way signal electrical connection; the second signal end of the analog circuit breaker group is electrically connected to the analog circuit breaker connection terminal of the interface module; the control signal input end of the auxiliary relay is electrically connected to the auxiliary relay control end of the control module; the output end of the auxiliary relay Electrically connected to the auxiliary relay output connection terminal of the interface module;

The first communication end of the USB interface is electrically connected with the USB communication end of the control module for bidirectional signals; the second communication end of the USB interface is electrically connected with the communication end of the computer for bidirectional signals; the signal output end of the keyboard is electrically connected with the keyboard signal input end of the control module. Connection; the display signal input end of the display module is electrically connected to the display signal output end of the control module; the control signal input end of the indicator light is electrically connected to the indicator light signal output end of the control module;

The respective power terminals of the control module, the analog circuit breaker group, the auxiliary relay, the USB interface, the keyboard, the display module and the indicator light are respectively electrically connected to the first power output terminal of the power module; the voltage output module, the current output module and the signal The respective power terminals of the feedback modules are respectively electrically connected to the second power output terminals of the power module. A further solution is: it also includes a casing, the above-mentioned casing includes a panel; the above-mentioned display module includes a display driving circuit and a display screen;

The above-mentioned power supply module, control module, voltage output module, current output module, signal feedback module, analog circuit breaker group, auxiliary relay and drive circuit of the display module are all arranged in the housing; USB interface, keyboard, display screen of the display module, The interface module and the indicator light are arranged on the panel of the housing.

A further solution is: the above-mentioned control module includes an LPC2220 microcontroller; the analog circuit breaker group includes 8 analog circuit breakers; the analog circuit breaker connection terminal block of the interface module includes 8 groups of 16 connection terminals in total.

A further solution is: the connection terminal of the above-mentioned interface module is the MTK-P/P terminal produced by PHOENIX; the display screen of the above-mentioned display module is a TFT touch screen.

A further solution is: the above-mentioned computer is a built-in operation control unit including a configuration operation interface and a global scheme control, and a verification database including a routine verification item set, a fault set and a typical case set, and the verification is performed globally. controlled computer.

The present invention has positive effects: (1) The intelligent verification system of the automatic switching device of the backup power supply of the present invention, its interface module adopts a plug-in plug, so that only the plug needs to be used for plugging in the test and verification, and the wiring is convenient and fast . (2) The intelligent verification system of the backup power automatic switching device of the present invention can conveniently display the working interface and related information by setting a TFT touch display screen on the housing, and at the same time facilitate the user's information input, and the operation is intuitive and simple , improving the overall calibration efficiency. (3) The intelligent calibration system of the backup power automatic switching device of the present invention enables the operator to easily grasp the status of the calibrator by setting the status indicator light; at the same time, the operation is further facilitated by setting the keyboard. (4) The intelligent verification system of the automatic switching device of the backup power supply of the present invention, through the operation control unit built in the computer, the test personnel can conveniently set any fault form, and carry out special situation drill tests according to the scheduling needs, which is convenient to operate; The test database can conveniently carry out logic tests on multiple devices under the same conditions, measure the action time of the entire set of devices, and test the entire set of devices. The calibration database is updated and self-corrected, so that the test accuracy is higher.

Description of drawings

Fig. 1 is a block diagram of circuit configuration of the present invention;

Fig. 2 is the schematic diagram of the electrical connection relationship between the present invention shown in Fig. 1 and the backup power automatic switching device when in use;

Fig. 3 is a schematic structural diagram of the built-in functional unit of the computer in Fig. 1;

Fig. 4 is a logic control diagram of the circuit breaker in the present invention shown in Fig. 1 .

The reference signs in the above-mentioned accompanying drawings are as follows:

Power supply module 1, control module 2, voltage output module 3, current output module 4, signal feedback module 5, analog circuit breaker group 6, auxiliary relay 7, USB interface 8, keyboard 9, display module 10, interface module 11, indicator light 12. Computer 13.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

(Example 1)

As shown in Fig. 1, the intelligent verification system of the automatic switching device of the backup power supply in this embodiment mainly consists of a casing and a power supply module 1, a control module 2, a voltage output module 3, a current output module 4, a signal feedback module 5, and an analog circuit breaker Group 6, auxiliary relay 7, USB interface 8, keyboard 9, display module 10, interface module 11, indicator light 12 and computer 13. The display module 10 includes a display driving circuit and a display screen. In this embodiment, the display screen is preferably a TFT touch display screen. The housing has panels, which are not shown in the drawings.

The power supply module 1, the control module 2, the voltage output module 3, the current output module 4, the signal feedback module 5, the analog circuit breaker group 6 and the auxiliary relay 7 are all arranged in the housing; the USB interface 8, the keyboard 9, and the display module 10 The screen, the interface module 11 and the indicator light 12 are arranged on the panel of the housing.

The power module 1 is provided with a power input terminal, a first power output terminal and a second power output terminal. The power input end of the power supply module 1 is connected to the 220V AC mains when in use. The first power output terminal of the power module 1 outputs 24V DC power; the second power output terminal of the power module 1 outputs 15V DC power. The power module 1 provides working power for the calibrator.

The control module 2 is provided with a voltage output control terminal, a power output control terminal, a feedback signal input terminal, an analog circuit breaker signal terminal, an auxiliary relay control terminal, a USB communication terminal, a keyboard signal input terminal, a display signal output terminal, and an indicator light signal output terminal and power terminals;

The voltage output module 3 is provided with a control signal input terminal, a first voltage output terminal, a second voltage output terminal and a power supply terminal; the current output module 4 is provided with a control signal input terminal, a current output terminal and a power supply terminal; the signal feedback module 5 is provided with a first sampling signal terminal, a second sampling signal terminal, a third sampling signal terminal, a signal output terminal and a power supply terminal;

The analog circuit breaker group 6 is provided with a first signal terminal, a second signal terminal and a power supply terminal; the auxiliary relay 7 is provided with a control signal input terminal, an output terminal and a power supply terminal; the USB interface 8 is provided with a first communication terminal and a second communication terminal ; The keyboard 9 is provided with a signal output terminal and a power supply terminal; the display module 10 is provided with a display signal input terminal and a power supply terminal; terminal, current output connection terminal, analog circuit breaker connection terminal block and auxiliary relay output connection terminal; the indicator light 12 is provided with a control signal input terminal and a power supply terminal; the computer 13 is provided with a communication terminal.

The control signal input end of the voltage output module 3 is electrically connected to the voltage output control end of the control module 2; the first voltage output end of the voltage output module 3 is electrically connected to the first voltage output connection terminal of the interface module 11; the voltage output module 3 The second voltage output end is electrically connected to the second voltage output connection terminal of the interface module 11; the control signal input end of the current output module 4 is electrically connected to the current output control end of the control module 2; the current output end of the current output module 4 is connected to the interface The current output connection terminal of the module 11 is electrically connected; the first sampling signal terminal of the signal feedback module 5 is electrically connected with the first voltage output terminal of the voltage output module 3; the second sampling signal terminal of the signal feedback module 5 is connected with the voltage output module 3. The second voltage output end is electrically connected; the third sampling signal end of the signal feedback module 5 is electrically connected with the current output end of the current output module 4; the signal output end of the signal feedback module 5 is electrically connected with the feedback signal input end of the control module 2; The first signal end of the analog circuit breaker group 6 is electrically connected to the analog circuit breaker signal end of the control module 2 with a bidirectional signal; the second signal end of the analog circuit breaker group 6 is electrically connected to the analog circuit breaker connection terminal of the interface module 11; auxiliary The control signal input end of the relay 7 is electrically connected to the auxiliary relay control end of the control module 2; the output end of the auxiliary relay 7 is electrically connected to the auxiliary relay output connection terminal of the interface module 11;

The first communication end of USB interface 8 is electrically connected with the USB communication end bidirectional signal of control module 2; The second communication end of USB interface 8 is electrically connected with the communication end bidirectional signal of computer 13; The signal output end of keyboard 9 is connected with control module 2 The keyboard signal input end of the display module 10 is electrically connected to the display signal output end of the control module 2; the control signal input end of the indicator light 12 is electrically connected to the indicator signal output end of the control module 2;

The respective power terminals of the control module 2, the analog circuit breaker group 6, the auxiliary relay 7, the USB interface 8, the keyboard 9, the display module 10, and the indicator light 12 are respectively electrically connected to the first power output terminal of the power module 1; The respective power terminals of the output module 3 , the current output module 4 and the signal feedback module 5 are respectively electrically connected to the second power output terminal of the power module 1 .

In this embodiment, the core device of the control module 2 is an LPC2220 microcontroller, which has the characteristics of small size, low power consumption, high performance and low cost. The simulated circuit breaker group 6 includes 8 simulated circuit breakers named DL1, DL2, DL3, DL4, DL5, DL6, DL7 and DL8 respectively. The connection terminal of the interface module 11 is preferably the MTK-P/P terminal produced by PHOENIX, and is equipped with an RPS test plug. The terminal has a controllable fracture and a special plug to meet the simplified wiring requirements for on-site verification of the backup power automatic switching device.

See Fig. 2, when the intelligent verification system of the backup power automatic switching device of this embodiment is in use, use a plug to connect with the connection terminal of the interface module 11, wherein: the power terminal U1 of the backup power automatic switching device to be verified , the power supply terminal U2, and the current terminal I are respectively electrically connected to the first voltage output terminal, the second voltage output terminal and the current output terminal of the interface module 11; the analog circuit breaker connection terminal of the interface module 11 is a group of connection terminals, which are connected to The combined DL1, sub-DL1 ... combined DL8 and sub-DL8 of the verified backup power automatic switching device are electrically connected; the auxiliary relay output connection terminal of the interface module 11 and the main transformer of the verified backup power automatic switching device The fault output contact is electrically connected.

See Fig. 3, the computer 13 is used to realize the intelligent control of verification. The intelligent control of the verification by the computer 13 is realized through the communication between the USB interface 8 and the control module 2 . The computer 13 has built-in operation control unit and verification database. The operation control unit includes two functional modules, the configuration operation interface and the global scheme control. The configuration operation interface provides configuration scheme setting and human-computer interaction functions, receives the circuit breaker opening and closing signal type and time through the USB interface 8 and the control module module 2, and updates the relevant information of the main wiring diagram. During the user's use, the test personnel can easily set any fault form through the interface of the computer 13, and carry out special-case drill tests according to the scheduling requirements, which is easy to operate.

The global plan control module sends out any fault form simulation command to realize the backup plan control and sequence action control functions.

The verification database of the computer 13 includes a regular verification item set, a fault set and a typical case set. The routine verification item set includes logic test items, the whole set of device action time measurement items, and the whole set of device test items; the fault set includes various abnormal states that may occur in the primary system; the typical case set includes the automatic switching device calibration Various verification schemes that are often used in the test. By using the calibration database, it is possible to conveniently carry out logic tests under the same conditions on multiple devices, measure the action time of the entire set of devices, and test the entire set of devices, while avoiding the influence of human factors on the test results. Moreover, the test data in the calibration process can update and self-correct the calibration database, so that the test accuracy is higher. The working principle and working process of the backup power automatic switching device intelligent verification system of this embodiment are briefly described as follows:

The control module 2 communicates with the computer 13 through the USB module 8 , accepts instructions from the computer 13 and transmits relevant information to the computer 13 . The control module 2 specifically implements auxiliary contact detection, analog circuit breaker control, and status light control; it can control a total of 8 analog circuit breakers from DL1 to DL8, receive standby automatic switching on and off commands, and implement specific logic control.

The voltage output module 3 uses D/A to generate voltage signals, and outputs three-phase AC voltage signals after phase shifting and amplification; the current output module 4 outputs continuously adjustable AC current waveforms under the control of the control module 2; the signal feedback module 5 adopts The voltage and current signals collected and output by 14-bit A/D are fed back to the control module 2 in real time; the display module 10 realizes the real-time display of the test process results and user interaction through its 12-inch TFT display touch screen; the keyboard 9 is used for user information input , the indicator light 12 is used to indicate the working status of the calibrator in real time. The USB interface 8 is used as a communication interface.

Referring to Fig. 4, the logic control principle of the analog circuit breaker in the analog circuit breaker group 6: the analog circuit breaker receives the internal preset command issued by the control module 2, and the backup and closing commands are the points and closing commands issued by the external backup and self-switching. Closing command (opening and closing pulse); stealth is the opening command issued by the calibrator, which is an internal command; the main transformer fault opening command is the common opening command of several circuit breakers corresponding to a certain main transformer; When the circuit breaker is set to refuse to operate, it does not respond to any opening and closing commands; when the internal state of the circuit breaker is dlx, it simulates the state of the main contact of the circuit breaker to control the output of voltage and current; the external state of the circuit breaker, Analog circuit breaker control circuit auxiliary contact, its output logic can be selected, when "positive logic" is selected, the circuit breaker is closed externally, the contact is closed, externally opened, the contact is open, and when "negative logic" is selected, the opposite is true; the state of the circuit breaker It is transmitted to the display module through the control module, and displayed on the LCD screen in real time; the "closed/hand jump" output contact and the external state output contact of the circuit breaker share com, and the contact corresponds to the circuit breaker one by one, and "after closed" can be selected Or "hand jump" function. The present invention can provide 4 main transformer fault output contacts, the main transformer fault duration can be set, and at the same time provide 1 fast switch output contact, simulating the fast switch button, when testing the fast switch function, the fast switch output contact pull-in time can be set.

The intelligent verification system of the backup power automatic switching device of this embodiment can simulate the work of 8 circuit breakers, and realize the backup automatic switching device and the fast switching device for the inner bridge, the enlarged inner bridge, the single busbar, the three main transformers and the backup switching, etc. Verification of the standby automatic switching device with cut-off function.

To sum up, in the intelligent verification system of the automatic switching device of the backup power supply in this embodiment, the interface module adopts a plug-in plug, so that only the plug needs to be used for plugging in the test and verification, and the wiring is convenient and fast; The TFT touch screen is set on the body, which can conveniently display the working interface and related information, and is also convenient for users to input information. The operation is intuitive and simple, which improves the overall calibration efficiency; by setting the status indicator light, the operator can conveniently Master the status of the calibrator; at the same time, by setting the keyboard, it is further convenient to operate; it can realize a more comprehensive calibration of the self-injection device that needs to be tested, and the test accuracy is high, while avoiding the influence of human operation on the test effect.

The above embodiments are descriptions of specific implementations of the present invention, rather than limitations of the present invention. Those skilled in the relevant technical fields can also make various transformations and changes without departing from the spirit and scope of the present invention. Corresponding equivalent technical solutions, therefore all equivalent technical solutions should fall into the patent protection scope of the present invention.

Claims (5)

1. An intelligent verification system for an automatic switching device of a backup power supply, characterized in that it includes a power supply module (1), a control module (2), a voltage output module (3), a current output module (4), and a signal feedback module ( 5), analog circuit breaker group (6), auxiliary relay (7), USB interface (8), keyboard (9), display module (10), interface module (11), indicator light (12) and computer (13) ; The power module (1) is provided with a power input terminal, a first power output terminal and a second power output terminal; the control module (2) is provided with a voltage output control terminal, a current output control terminal, a feedback signal input terminal, an analog circuit breaker signal terminal, auxiliary relay control terminal, USB communication terminal, keyboard signal input terminal, display signal output terminal, indicator light signal output terminal and power supply terminal; the voltage output module (3) has a control signal input terminal and a first voltage output terminal , a second voltage output terminal and a power supply terminal; the current output module (4) is provided with a control signal input terminal, a current output terminal and a power supply terminal; the signal feedback module (5) is provided with a first sampling signal terminal, a second sampling signal terminal, The third sampling signal terminal, signal output terminal and power supply terminal; the analog circuit breaker group (6) is provided with a first signal terminal, a second signal terminal and a power supply terminal; the auxiliary relay (7) is provided with a control signal input terminal, an output terminal and a power supply terminal; A power supply terminal; the USB interface (8) is provided with a first communication terminal and a second communication terminal; the keyboard (9) is provided with a signal output terminal and a power supply terminal; the display module (10) is provided with a display signal input terminal and a power supply terminal; the interface module (11) Including the interface board and the first voltage output connection terminal, the second voltage output connection terminal, the current output connection terminal, the analog circuit breaker connection terminal block and the auxiliary relay output connection terminal arranged on the interface board; the indicator light (12) It is provided with a control signal input terminal and a power supply terminal; the computer (13) is provided with a communication terminal; The control signal input terminal of the voltage output module (3) is electrically connected to the voltage output control terminal of the control module (2); the first voltage output terminal of the voltage output module (3) is connected to the first voltage output terminal of the interface module (11) electrical connection; the second voltage output terminal of the voltage output module (3) is electrically connected to the second voltage output connection terminal of the interface module (11); the control signal input terminal of the current output module (4) is connected to the current of the control module (2) The output control terminal is electrically connected; the current output terminal of the current output module (4) is electrically connected to the current output connection terminal of the interface module (11); the first sampling signal terminal of the signal feedback module (5) is connected to the voltage output module (3) The first voltage output end is electrically connected; the second sampling signal end of the signal feedback module (5) is electrically connected to the second voltage output end of the voltage output module (3); the third sampling signal end of the signal feedback module (5) is connected to the current The current output terminal of the output module (4) is electrically connected; the signal output terminal of the signal feedback module (5) is electrically connected to the feedback signal input terminal of the control module (2); the first signal terminal of the analog circuit breaker group (6) is connected to the control The analog circuit breaker signal end of the module (2) is electrically connected to the bidirectional signal; the second signal end of the analog circuit breaker group (6) is electrically connected to the analog circuit breaker connection terminal of the interface module (11); the control of the auxiliary relay (7) The signal input end is electrically connected to the auxiliary relay control end of the control module (2); the output end of the auxiliary relay (7) is electrically connected to the auxiliary relay output connection terminal of the interface module (11); The first communication end of the USB interface (8) is electrically connected with the USB communication end of the control module (2) for bidirectional signals; the second communication end of the USB interface (8) is electrically connected with the communication end of the computer (13) for bidirectional signals; the keyboard ( The signal output terminal of 9) is electrically connected with the keyboard signal input terminal of the control module (2); the display signal input terminal of the display module (10) is electrically connected with the display signal output terminal of the control module (2); the indicator light (12) The control signal input terminal is electrically connected to the indicator signal output terminal of the control module (2); The respective power terminals of the control module (2), analog circuit breaker group (6), auxiliary relay (7), USB interface (8), keyboard (9), display module (10), and indicator light (12) are respectively It is electrically connected with the first power output terminal of the power module (1); the respective power terminals of the voltage output module (3), the current output module (4) and the signal feedback module (5) are respectively connected to the first power supply terminal of the power module (1). The two power output terminals are electrically connected. 2. The intelligent verification system of automatic switching device for backup power supply according to claim 1, characterized in that: it also includes a casing, the casing includes a panel; the display module (10) includes a display drive circuit and display screen; The power supply module (1), control module (2), voltage output module (3), current output module (4), signal feedback module (5), analog circuit breaker group (6), auxiliary relay (7) and The driving circuits of the display module (10) are all arranged in the casing; the USB interface (8), the keyboard (9), the display screen of the display module (10), the interface module (11) and the indicator light (12) are arranged in the casing panel. 3. The intelligent verification system of automatic switching device for backup power supply according to claim 2, characterized in that: the control module (2) includes a LPC2220 microcontroller; the analog circuit breaker group (6) includes 8 analog circuit breakers device; the analog circuit breaker connection terminal block of the interface module (11) includes 8 groups of 16 connection terminals in total. 4. The intelligent verification system of automatic switching device for backup power supply according to claim 3, characterized in that: the connection terminal of the interface module (11) is the MTK-P/P terminal produced by PHOENIX company; The display screen of the display module (10) is a TFT touch display screen. 5. The intelligent verification system for automatic switching device of backup power supply according to claim 4, characterized in that: said computer (13) is a built-in operation control unit including configuration operation interface and global scheme control and including routine A computer that verifies the verification database of project sets, fault sets and typical case sets, and controls the verification globally.