CN215871438U - Four-in-one anti-misoperation locking system - Google Patents
Four-in-one anti-misoperation locking system Download PDFInfo
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- CN215871438U CN215871438U CN202120681681.8U CN202120681681U CN215871438U CN 215871438 U CN215871438 U CN 215871438U CN 202120681681 U CN202120681681 U CN 202120681681U CN 215871438 U CN215871438 U CN 215871438U
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Abstract
A four-in-one anti-misoperation locking system comprises four locking subsystems, wherein the four locking subsystems are respectively an identity limiting subsystem, a primary equipment locking subsystem, a unit line locking subsystem and other factor locking subsystems, and the other factor locking subsystems comprise a long idle state locking module and a temporary power failure locking module; after the monitoring system sends out the command signal, the command signal will be transmitted to the locking subsystem separately, the locking subsystem verifies the feasibility of the order separately after receiving the command signal, when the command signal is not in conformity with the operating rule, open the locking function in the locking subsystem, once any one of four locking subsystems opens the lock, the whole anti-misoperation locking system opens the locking function too, the monitoring system can't continue to carry out the operating instruction; the utility model adopts a brand-new anti-misoperation locking system, and realizes the 'four-in-one' anti-misoperation locking function on the identity of an operator, primary equipment, a unit circuit and other factors.
Description
Technical Field
The utility model belongs to the technical field of intelligent monitoring systems, and particularly relates to a four-in-one anti-misoperation locking system.
Background
In the operation process of the hydropower station, the safe operation of the hydropower station is the important factor of the stable operation of the whole system, wherein the prevention of the electric misoperation is a key ring in accident control, the electric misoperation has great damage, and the consequences are very serious once the electric misoperation occurs; equipment damage and even casualty accidents can be caused, and in order to ensure safe and reliable operation of the equipment and avoid electrical misoperation, a hydraulic power plant must be provided with an anti-misoperation device to prevent 1 circuit breaker from being opened or closed by mistake; 2. on-load on/off disconnecting switches; 3. hanging a ground wire in an electrified way; 4. a grounding circuit breaker is provided; 5. the requirement of 'five prevention' of entering the electrified interval by mistake.
The locking condition of the primary equipment misoperation-preventive locking site of the hydraulic power plant is the same as that of the monitoring system. The method is characterized in that when primary equipment is operated in a monitoring system, the anti-misoperation locking relation of software in the monitoring system plays a role, and when the primary equipment is operated on site, the anti-misoperation locking relation in a control box of field equipment plays a role; the misoperation prevention of the existing operating system only meets the requirement of five prevention usually, the operation of the electrical primary equipment is not strict enough, and electrical accidents caused by the reason of a monitoring system sometimes happen.
Disclosure of Invention
In view of the technical problems in the background art, the four-in-one anti-misoperation locking system provided by the utility model adopts a brand-new anti-misoperation locking system, supplements and perfects the anti-misoperation locking system on the basis of the original five-prevention system, so that the anti-misoperation locking system is more rigorous, and the four-in-one anti-misoperation locking function of operator identity, primary equipment, unit circuits and other factors is realized.
In order to solve the technical problems, the utility model adopts the following technical scheme to realize:
a total system comprises four locking subsystems, wherein the four subsystems are respectively an identity limiting subsystem, a primary equipment locking subsystem, a unit line locking subsystem and other factor locking subsystems, the other factor locking subsystems comprise a long idle state locking module and a temporary power failure locking module, and the four locking subsystems are integrated in the anti-misoperation locking system to form a four-bit integrated function; after the monitoring system sends out the command signal, the command signal can be transmitted to four subsystems in the anti-misoperation locking system respectively, the four subsystems verify the feasibility of the command after receiving the command signal respectively, when the command signal is not in accordance with the operating regulation, the four subsystems immediately open the locking function, once any one of the four subsystems opens the locking, the whole anti-misoperation locking system also opens the locking function, and the monitoring system cannot continue to execute the operating command.
In an optimal scheme, the identity limiting subsystem comprises an operation authority confirming module and an operation range confirming module, and the locking of the identity limiting subsystem can be released only when an operation instruction simultaneously meets the operation requirements of the two modules.
In the preferred scheme, the primary equipment locking subsystem comprises a breaker anti-misoperation locking module, an isolating switch anti-misoperation locking module and a grounding disconnecting link anti-misoperation locking module; the operation command needs to meet the operation requirements of the three modules at the same time, and the locking of the subsystem can be released only by one-time locking of the equipment.
In the preferred scheme, the unit circuit locking subsystem comprises a defect eliminating locking module, a maintenance locking module, a starting-up locking module and a stopping-up locking module; the operation command needs to simultaneously release the locking commands of the four modules, and the locking of the line locking subsystem of the unit can be released.
In the preferred scheme, the operation instruction needs to simultaneously release the locking instructions of the long idle state locking module and the temporary power failure locking module, and the locking subsystem can release the locking by other factors.
In the preferred scheme, an emergency unlocking subsystem is also independently arranged in the whole four-in-one anti-misoperation locking system, the verification of the identity limiting subsystem, the primary equipment locking subsystem, the unit line locking subsystem and other factor locking subsystems can be skipped after the operation instruction is subjected to secondary password confirmation of the emergency unlocking subsystem, and the instruction signal is directly executed by the command monitoring system.
In the preferred scheme, the identity limiting subsystem, the primary equipment locking subsystem, the unit line locking subsystem and the other factor locking subsystem are respectively connected with the locking information display device; the locking information display device comprises a machine body shell, wherein four display screens are arranged on the machine body shell, an alarm lamp is arranged above each display screen, and a reset button is arranged below each display screen.
This patent can reach following beneficial effect:
1. the system adds an identity limiting subsystem, a unit line locking subsystem and other factor locking subsystems on the original five-prevention locking system, and integrates the four locking subsystems into a four-bit integration, so that the locking function of the system is diversified, and the safety and reliability of the original locking system are greatly improved;
2. the emergency unlocking subsystem is added in the system, when an emergency event happens and the locking system cannot be waited for confirmation, the emergency unlocking subsystem can be used for carrying out emergency operation on primary equipment, and the emergency processing capacity of the whole system is improved;
3. the system is provided with the locking information display device, all locking information can be displayed quickly, when the operation instruction cannot pass through the verification of the locking device, the locking information display device can immediately display specific reasons for locking and send out warning prompts in time, and therefore workers can conveniently and quickly deal with faults.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall latch of the present invention;
FIG. 2 is a schematic diagram of the operation of the identity restriction subsystem of the present invention;
FIG. 3 is a schematic diagram of the operation of the primary equipment lockout subsystem of the present invention;
FIG. 4 is a schematic diagram of the line blocking subsystem and the operation principle of the unit of the present invention;
FIG. 5 is a schematic view of the operation of the locking subsystem in accordance with another aspect of the present invention;
FIG. 6 is a functional diagram of the locking information display device according to the present invention.
In the figure: an identity limiting subsystem 1, an operation authority confirming module 1-1, an operation range confirming module 1-2, a primary equipment locking subsystem 2, a breaker anti-misoperation locking module 2-1, an isolating switch anti-misoperation locking module 2-2, a grounding disconnecting link anti-misoperation locking module 2-3, a unit circuit locking subsystem 3, a vacancy eliminating state locking module 3-1, an overhaul state locking module 3-2, a starting state locking module 3-3, a shutdown state locking module 3-4, other factor locking subsystems 4, a long idle state locking module 4-1, a temporary power failure locking module 4-2, a monitoring system 5, an instruction signal 6, an emergency unlocking subsystem 7, a locking information display device 8, a machine body shell 8-1, a display screen 8-2, an alarm lamp 8-3, a power supply controller and a power supply controller, Reset button 8-4.
Detailed Description
As shown in fig. 1, a four-in-one anti-misoperation locking system is composed of four locking subsystems and an emergency unlocking subsystem 7, wherein the four locking subsystems are an identity limiting subsystem 1, a primary equipment locking subsystem 2, a unit line locking subsystem 3 and other factor locking subsystems 4 respectively, and the other factor locking subsystems 4 comprise a long idle state locking module 4-1 and a temporary power failure locking module 4-2; the four locking subsystems are integrated in the anti-misoperation locking system to form a four-bit integrated function; after the monitoring system 5 sends the instruction signal 6 to the four-in-one anti-misoperation locking system, the instruction signal 6 can be respectively transmitted to four subsystems in the anti-misoperation locking system, the four subsystems respectively verify the feasibility of the instruction after receiving the instruction signal 6, when the instruction signal 6 is not in accordance with the operation rule of any one of the four subsystems, the four subsystems immediately start the locking function, once any one of the four subsystems starts the locking function, the whole anti-misoperation locking system also starts the locking function, and the monitoring system 5 cannot continuously execute the operation instruction.
The preferred scheme is as shown in fig. 2, the identity restriction subsystem 1 includes an operation permission confirmation module 1-1 and an operation range confirmation module 1-2, wherein the operation permission confirmation module 1-1 and the range confirmation module 1-2 may adopt third-party professional software such as an open source middleware ralasefe, an open source framework Spring Security, a commercial product Oracle Entitlements Server, an IBM Tivoli Access Manager, an UPMS universal user permission system, and the like; the range confirmation module 1-2 has the functions of determining the identity information of the operator with long value, the main operator on duty, the operator on duty and various identities, authenticating the identity by the system, giving corresponding operation permission and further avoiding misoperation caused by the identity of the operator; the operation authority confirming module 1-1 needs an operator to log in the system by using the own account or fingerprint identification, and can perform subsequent operation only after the identity authentication of the operator is successful, so that the misoperation of external personnel or other work is avoided; the operation instruction needs to meet the operation requirements of the two modules at the same time, the identity limiting subsystem 1 can release the lock, and after the operation logs in respective account numbers, all operation contents of a login user are recorded, including the operation personnel, the operation time and the operation contents, so that a basis is provided for subsequent troubleshooting.
The preferred scheme is as shown in fig. 3, the primary equipment locking subsystem 2 comprises a breaker mis-locking prevention module 2-1, an isolating switch mis-locking prevention module 2-2 and a grounding disconnecting link mis-locking prevention module 2-3; the existing products such as Zhenjiantuo Tuo new electric power ZJ2004 series, Zhuhai you Te UT-2000 IV and SYKJ microcomputer five-prevention system of Zhejiang Shenle science and technology company have the functions, and users can automatically select proper brands according to actual requirements and installation cost; the circuit breaker anti-misoperation locking module 2-1 has the function that the locking module can only release locking when the positions of the disconnecting switch and the grounding knife switch matched with the circuit breaker anti-misoperation locking module are correct, otherwise, the disconnecting switch cannot be operated;
the function of the disconnecting switch anti-misoperation locking module 2-2 is that the locking module can only release the locking when the positions of the breaker and the grounding knife switch matched with the disconnecting switch anti-misoperation locking module are correct, otherwise, the disconnecting switch can not be operated;
the function of the earthing knife-switch anti-misoperation locking module 2-3 is that the locking module can only release the locking when the breaker and the disconnecting switch matched with the earthing knife-switch are in correct positions, otherwise, the earthing knife-switch can not be operated;
the operation command needs to satisfy the operation requirements of the three locking modules at the same time, and the locking of the equipment locking subsystem 2 can be released once.
The preferable scheme is as shown in fig. 4, the unit line locking subsystem 3 comprises a deletion state locking module 3-1, a maintenance state locking module 3-2, a startup state locking module 3-3 and a shutdown state locking module 3-4; the locking instructions of the four modules need to be simultaneously released by the operation instructions, and the locking of the line locking subsystem 3 of the unit can be released; generally, when a signal device acquires analog quantity signals (voltage and current) in a line, the analog quantity signals can be further applied through a data processor CPU after being subjected to AD conversion, the data processing can adopt an architecture of AD + FPGA + CPU, the FPGA is used for completing data acquisition in the line, the AD adopts 16-bit AD8696 with relatively high bit number, the CPU can adopt 32-bit IXP420 of Intel, and the working frequency can reach as high as 533 MHz;
the defect elimination state locking module 3-1 has the function that when a generator or line equipment has defects, the generator or line equipment needs to be processed in time, and in the defect elimination process, the monitoring system 5 cannot perform any relevant operation, otherwise misoperation can be caused to cause injury of workers. At the moment, when the equipment defect eliminating work is started, a defect eliminating state is set on the generator or the line, and when the generator or the line is in the defect eliminating state, the defect eliminating state locking module 3-1 is in a locking state, so that the effect of preventing misoperation is achieved. When the generator or the line is in a defect eliminating state, the equipment is continuously monitored, and all action conditions or operation parameters are recorded;
the maintenance state locking module 3-2 has the function that during the maintenance of the generator or the line equipment, the monitoring system 5 cannot perform any relevant operation, otherwise misoperation can be caused to cause injury to workers. At the moment, when the equipment maintenance work is started, a maintenance state is set on the generator or the line, and when the generator or the line is in the maintenance state, the maintenance state locking module 3-2 is in a locking state, so that the effect of preventing misoperation is achieved, in addition, all the running states, running parameters, displacement conditions and the like of the generator or the line can be locked, any action condition or parameter cannot be recorded, and the action condition or parameter cannot be transmitted to a power grid system;
the starting-up state locking module 3-3 has the functions that the monitoring system 5 cannot perform any related operation in the starting-up process of the generator, otherwise, the related function button is possibly touched or clicked by mistake, and finally the starting-up is unsuccessful, and when the generator is in the starting-up state, the starting-up state locking module 3-3 is in a locking state, and even if the related function button of the monitoring system 5 is clicked, the invalid operation is also performed;
the shutdown state locking module 3-4 has a function of preventing the monitoring system 5 from performing any relevant operation in the shutdown process of the generator, otherwise, the relevant function button may be touched by mistake or clicked by mistake, and finally, the shutdown is unsuccessful, and when the generator is in the shutdown state, the shutdown state locking module 3-4 is in the locking state, and even if the relevant function button of the monitoring system 5 is clicked, the operation is invalid.
The preferred scheme is shown in FIG. 5, and the other factor locking subsystem 4 comprises a long idle state locking module 4-1 and a temporary power failure locking module 4-2; the locking instructions of the two modules need to be released simultaneously by the operation instruction, and the locking subsystem 4 can release locking by other factors; the existing microcomputer protection system has the functions such as Nanqi ps1640, Nanruics 9611, a four-side csc211, an allowing wxh820 and the like, and the functions of the microcomputer protection system of the hydropower station can be integrated into the protection system when the system is installed;
the long idle state locking module 4-1 has the function that when the monitoring system is not operated for a long time (the time can be set according to the actual situation), the long idle state locking module 4-1 is locked, so that any operation cannot be carried out, and misoperation caused by mistaken touch is avoided;
the temporary power failure locking module 4-2 has the function that after the monitoring system 5 is powered off temporarily, the temporary power failure locking module 4-2 is locked to prevent misoperation after the power is recovered.
The preferred scheme is as shown in fig. 1, the four-in-one anti-misoperation locking system is further provided with an emergency unlocking subsystem 7, when the power station needs to immediately operate primary equipment of the power station in case of an emergency, in order to save verification time during operation, the four locking subsystems can be skipped through the emergency unlocking subsystem 7 to directly operate the monitoring system 5, a password needs to be repeatedly confirmed before the emergency unlocking subsystem 7 is carried out, and the subsystem cannot be used in case of non-emergency.
Preferably, as shown in fig. 6, the locking information display device 8 comprises a machine body shell 8-1, a display screen 8-2, an alarm lamp 8-3 and a reset button 8-4; four display screens 8-2 are arranged on the machine body shell 8-1, an alarm lamp 8-3 is arranged above the display screens 8-2, and a reset button 8-4 is arranged below the display screens 8-2; the display screen 8-2 corresponds to four sets of locking subsystems respectively, when the command signal 6 passes through the four sets of locking subsystems and is verified to fail, the display screen 8-2 immediately displays a module which cannot pass the verification, the corresponding alarm lamp 8-3 on the display screen 8-2 emits red flashing alarm light, a worker can accurately find the reason why the module cannot pass the verification according to the displayed module information, the reset button 8-4 can be pressed after the fault is relieved, and the alarm lamp 8-3 stops flashing after the reset button 8-4 is pressed.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (7)
1. The utility model provides a four-in-one prevents mistake shutting system, total system includes four shutting subsystems, its characterized in that: the four subsystems are respectively an identity limiting subsystem (1), a primary equipment locking subsystem (2), a unit line locking subsystem (3) and other factor locking subsystems (4), and the other factor locking subsystems (4) comprise a long idle state locking module (4-1) and a temporary power failure locking module (4-2); after the monitoring system (5) sends the instruction signal (6), the instruction signal (6) can be respectively transmitted to four subsystems in the anti-misoperation locking system, the four subsystems respectively verify the feasibility of the instruction after receiving the instruction signal (6), when the instruction signal (6) is not in accordance with the operation rule, the four subsystems immediately open the locking function, once any one of the four subsystems opens the locking, the whole anti-misoperation locking system also opens the locking function, and the monitoring system (5) cannot continuously execute the operation instruction.
2. The four-in-one anti-misoperation lockout system of claim 1, wherein: the identity limiting subsystem (1) comprises an operation authority confirming module (1-1) and an operation range confirming module (1-2), operation instructions need to meet operation requirements of the two modules at the same time, and the identity limiting subsystem (1) can release locking.
3. The four-in-one anti-misoperation lockout system of claim 1, wherein: the primary equipment locking subsystem (2) comprises a breaker anti-misoperation locking module (2-1), an isolating switch anti-misoperation locking module (2-2) and a grounding disconnecting link anti-misoperation locking module (2-3); the operation command needs to meet the operation requirements of the three modules at the same time, and the locking of the equipment locking subsystem (2) can be released at one time.
4. The four-in-one anti-misoperation lockout system of claim 1, wherein: the unit circuit locking subsystem (3) comprises a defect eliminating state locking module (3-1), an overhaul state locking module (3-2), a starting state locking module (3-3) and a shutdown state locking module (3-4); the operation command needs to simultaneously release the locking commands of the four modules, and the locking of the unit circuit locking subsystem (3) can be released.
5. The four-in-one anti-misoperation lockout system of claim 1, wherein: the operation instruction needs to simultaneously release the locking instruction of the long idle state locking module (4-1) and the temporary power failure locking module (4-2), and the locking of the locking subsystem (4) can be released by other factors.
6. The four-in-one anti-misoperation lockout system of claim 1, wherein: still be equipped with urgent unblock subsystem (7) alone in the whole quaternary ammonium body anti-misoperation lockout system, operating instruction can skip the verification of identity restriction subsystem (1), primary equipment shutting subsystem (2), unit circuit shutting subsystem (3) and other factor shutting subsystems (4) after urgent unblock subsystem (7) password secondary confirmation to command monitoring system (5) direct execution command signal (6).
7. The four-in-one anti-misoperation lockout system of claim 1, wherein: the identity limiting subsystem (1), the primary equipment locking subsystem (2), the unit line locking subsystem (3) and the other factor locking subsystem (4) are respectively connected with a locking information display device (8); the locking information display device (8) comprises an engine body shell (8-1), four display screens (8-2) are arranged on the engine body shell (8-1), an alarm lamp (8-3) is arranged above the display screens (8-2), and a reset button (8-4) is arranged below the display screens (8-2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681681.8U CN215871438U (en) | 2021-04-02 | 2021-04-02 | Four-in-one anti-misoperation locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681681.8U CN215871438U (en) | 2021-04-02 | 2021-04-02 | Four-in-one anti-misoperation locking system |
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| CN215871438U true CN215871438U (en) | 2022-02-18 |
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| CN202120681681.8U Active CN215871438U (en) | 2021-04-02 | 2021-04-02 | Four-in-one anti-misoperation locking system |
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- 2021-04-02 CN CN202120681681.8U patent/CN215871438U/en active Active
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