CN212723726U - Power failure operation safety control device based on operation board - Google Patents
Power failure operation safety control device based on operation board Download PDFInfo
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- CN212723726U CN212723726U CN202021188719.XU CN202021188719U CN212723726U CN 212723726 U CN212723726 U CN 212723726U CN 202021188719 U CN202021188719 U CN 202021188719U CN 212723726 U CN212723726 U CN 212723726U
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Abstract
The utility model relates to a power failure operation safety control device based on an operation board, which comprises an operation board management device, a distributed IO station, an automatic circuit breaker for supplying power to factory equipment, a board taking plate and a board returning plate; the operation board management device comprises an industrial personal computer, an operation board information authentication device, a power supply and outage operation board, a working board and a camera, wherein the industrial personal computer is connected with the operation board information authentication device through an interface and is connected into a secondary operation loop of an automatic circuit breaker for supplying power to factory equipment through output contacts of a distributed IO station; the industrial personal computer is connected with the camera through a communication port; the two sides of the operation card management device are respectively provided with a card taking plate and a card returning plate; the card taking plate and the card returning plate are provided with accommodating grooves for accommodating power supply and outage operation cards of corresponding automatic circuit breakers. The advantages are that: the electronic and physical cards are used for dual management, so that the phenomenon of misoperation is prevented, and the power transmission safety is effectively improved.
Description
Technical Field
The utility model relates to a power failure operation safety control device based on operation tablet.
Background
The power supply of mill overhauls the security that the operation required extremely high, if do not operate according to the operation regulation, probably can lead to electrocuted danger, especially when having a power failure to overhaul, if in case take place the illegal power transmission of maintenance in-process (like the maintenance personal who often takes place is when leaving the circuit breaker and go trouble scene and overhaul, the circuit breaker end that has a power failure does not hang and has a power failure tablet and nobody's care, other electric power personnel of unknown circumstances think to be fault tripping, direct power transmission operation), can lead to the maintainer's electric shock, so that life is dangerous.
At present, most of power supply maintenance operations of factories adopt an operation board management mode, namely, an operation board billboard is adopted to mark equipment, and an operation board of the equipment or a loop is hung on the billboard. When equipment needs to be maintained, maintenance personnel take the corresponding operation board away and register, and hang the operation board back after the maintenance is finished, and the board changing system has obvious defects:
1. when a plurality of maintenance personnel maintain the same equipment or return circuit, except that first maintenance personnel can get to the operation tablet, other personnel can only apply for the operation ticket. If the first maintenance personnel do not check the operation ticket registration records seriously after the maintenance is finished, the operation board is hung back by mistake, and the maintenance personnel can operate the equipment after seeing that the operation board is returned completely, thereby causing the safety accident.
2. The operation card and the paper operation ticket are used, the operation is complex, time and labor are wasted, and the paper registration content is unclear and is easy to ignore.
3. The traditional operation board only identifies the equipment, does not control the operation of each equipment, and is very easy to cause safety accidents when a maintainer neglects.
Disclosure of Invention
For overcoming the not enough of prior art, the utility model aims at providing a power failure operation safety control device based on operation tablet can improve the safe and reliable power transmission of power failure operation, prevents to take place the electric shock accident.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a power failure operation safety control device based on an operation board comprises an operation board management device, a distributed IO station, an automatic breaker for supplying power to factory equipment, a board taking plate and a board returning plate;
the operation board management device comprises an industrial personal computer, an operation board information authentication device, a power supply and outage operation board, a work board and a camera, wherein the industrial personal computer is connected with the operation board information authentication device through an interface, is also connected with a distributed IO station, and is connected into a secondary operation loop of an automatic breaker for supplying power to factory equipment through an output contact of the distributed IO station; the industrial personal computer is connected with the camera through the communication port, and the power supply maintainers are subjected to identity recognition through the camera;
the two sides of the operation card management device are respectively provided with a card taking plate and a card returning plate; the card taking plate and the card returning plate are provided with accommodating grooves for accommodating power supply and outage operation cards of corresponding automatic circuit breakers;
the operation board management device records the taking-out and returning information of the power supply and outage operation board and the work board through the operation board information authentication device.
The power supply and outage operation board and the working board are IC card operation boards, and the operation board information authentication device is an IC card reader.
The power supply and outage operation board and the work board are operation boards with bar codes or two-dimensional codes, and the operation board information authentication device is a code scanner.
The operation board management device further comprises a PLC, the industrial personal computer is connected with the PLC through a communication port, and the PLC is connected with the distributed IO stations through an Ethernet or a DP communication bus.
The PLC is a Siemens PLC, and the distributed IO station is an ET 200.
The operation card management device also comprises a printer.
The operation board management device is also connected with the server and the remote wireless terminal through a wireless network, and the remote wireless terminal is used for identifying personnel identity and authenticating information of the operation board and the working board for power supply and power failure.
The industrial personal computer comprises a host and a touch screen, and is an industrial personal computer all-in-one machine.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an inspection personnel's authentication and operation tablet, work tablet verify that the operation of closing a floodgate to the circuit breaker carries out safety control, and only possess the personnel that this circuit breaker supplied the outage operation tablet and could have a power failure to close a floodgate the operation to the circuit breaker, even the inspection personnel leaves the scene, other people also can't carry out the operation of closing a floodgate to this circuit breaker, have effectively improved the security of power transmission. And the electronic and physical cards are used for dual management, so that the phenomenon of misoperation is prevented. Adopt two tablet verifications can avoid the mistake when a plurality of maintenance personal maintain same equipment or return circuit to give electricity, only all maintainers are all left the scene to operation tablet, work tablet are all swiped the card and are authenticated, just can carry out the combined floodgate operation, have effectively improved the security of power transmission.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the case.
Fig. 3 is a functional block diagram of the operation card management apparatus.
Fig. 4 is a schematic diagram of a PLC controlled automatic circuit breaker.
Fig. 5 is a circuit diagram of a secondary operation circuit of the automatic circuit breaker.
Fig. 6 is a circuit diagram of a distributed IO station ET200 output module.
In the figure: the automatic card reading and feeding system comprises a box body 1, an operation card management device 3, an automatic circuit breaker 4, a distributed IO station 5, a card taking plate 6, a card returning plate 7, a storage groove 20, an industrial personal computer 21, a PLC 22, a camera 23, a printer 24, an IC card reader/decoder 25, a touch screen 26, a fan 27, a power supply air switch 28, a power supply interface 29 and a power supply and outage operation card.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
Referring to fig. 1-3, an operation-tablet-based power failure operation safety control device includes an operation-tablet management device 2, a distributed IO station 4, an automatic circuit breaker 3 for supplying power to plant equipment, a tablet taking board 5, and a tablet returning board 6; the operation card management device 2 is arranged on the box body 1, and the card taking plate 5 and the card returning plate 6 are respectively arranged on two sides of the box body 1; the card taking plate 5 and the card returning plate 6 are provided with accommodating grooves 7 for accommodating power supply and power off operation cards 29 of the corresponding automatic circuit breakers 3.
The operation board management device 2 comprises an industrial personal computer 20, an operation board information authentication device, a power supply and outage operation board 29, a work board and a camera 22, wherein the industrial personal computer 20 is connected with the operation board information authentication device through an interface; the power supply and outage operation board 29 and the working board can be an IC card operation board, and the operation board information authentication device is an IC card reader 24. Or the power supply and outage operation board 29 and the work board are operation boards with bar codes or two-dimensional codes, and the operation board information authentication device is the code scanner 24. In addition, a fan 26, a power supply air switch 27 and a power supply interface 28 are further arranged in the box body 1, the fan 26 ventilates and radiates heat in the box body 1, the power supply interface 28 is connected with a commercial power AC220V, the power supply interface 28 is connected with the power supply air switch 27, and power is supplied to the electric equipment such as the operation board information authentication device, the fan 26, the touch screen 25 and the camera 22 through the power supply air switch 27.
Referring to fig. 4, the operation panel management apparatus 2 further includes a PLC21, the industrial personal computer 20 is connected to the PLC21 through a communication port, and the PLC21 is connected to the distributed IO station 4 through an ethernet or DP communication bus. The distributed IO stations 4 can also be industrial personal computers 20, the industrial personal computers 20 of the operation board information authentication device are directly connected with the industrial personal computers 20 of the distributed IO stations 4 through the Ethernet, and PLC21 equipment is not needed in the middle. Referring to fig. 5-6, the output relay ZJ1 (or ZJ2-ZJ4) junction of the distributed IO station 4 is connected into the secondary operation loop of the plant-powered automatic circuit breaker 3.
Referring to fig. 1-3, the industrial personal computer 20 is connected to a camera 22 through a communication port, and performs identification on the power supply service personnel through the camera 22. The operation panel management device 2 records the power supply/interruption operation panel 29 and the removal and return information of the operation panel by the operation panel information authentication device. The operation board management device 2 is also connected with a server and a remote wireless terminal through a wireless network, and the personnel identity identification, the power supply and outage operation board 29 and the work board information authentication are carried out through the remote wireless terminal. The remote wireless terminal can be a mobile phone, a tablet, or a self-developed device with a camera 22 and a two-dimensional code scanner 24.
The industrial personal computer 20 comprises a host and a touch screen 25, and the industrial personal computer 20 is an industrial personal computer all-in-one machine. The operation card management apparatus 2 further includes a printer 23 for operating ticket printing.
Referring to fig. 5-6, in this embodiment, PLC21 is siemens PLC21, and distributed IO station 4 is ET 200.
The operation panel management device 2 records the removal and return information of the power supply and interruption operation panel 29 by the operation panel information authentication device, and the operation panel information authentication device records the removal and return of the work panel, and when the power supply and interruption operation panel 29 and the work panel of the automatic circuit breaker 3 are not completely returned, the secondary operation circuit of the automatic circuit breaker 3 is disconnected, so that the automatic circuit breaker 3 cannot supply power.
The principle that the automatic breaker 3 cannot transmit power is as follows: referring to fig. 5-6, fig. 5 is a diagram of a secondary operation circuit (closing part) of a typical automatic circuit breaker 3-zhengtai DW15 series automatic circuit breaker 3 (electric type), and the specific working principle of the diagram is known in the prior art (see the specification of the zhengtai DW15 series automatic circuit breaker 3), which is not described in detail here, and it needs to be described: in this secondary operation return circuit, the utility model discloses increased combined floodgate control contact ZJ1 in the operation return circuit of its combined floodgate return circuit, with SB2 combined floodgate operating button series connection in combined floodgate operation return circuit. In addition, as shown in fig. 6, the closing control contact ZJ1 is output by the DO module of the ET200 distributed IO, and is output through the normally open contact of the intermediate relay ZJ1 (or ZJ3 or ZJ5), when the ET200 distributed IO does not receive the instruction sent by the industrial personal computer 20 of the operation panel management device 2, the intermediate relay ZJ1 is not output to pull in, the normally open contact cannot be closed, and the automatic circuit breaker 3 cannot perform closing operation.
The utility model discloses a use as follows:
when the equipment needs to be maintained in a power-off state, a maintainer takes out a corresponding IC card operation board (or an operation board with a bar code or a two-dimensional code) from the corresponding storage groove 7 of the board taking plate 5 and takes out a portable work board, the maintainer performs identity verification (password login or identification through a camera 22) in the operation board management device 2, operates to take away the power supply and power off operation board 29 and brushes the work board, and the power supply and power off operation board 29 can be manually stored or directly stored in the corresponding storage groove 7 of the board returning plate 6; after the maintainer performs identity verification and card swiping registration of the power supply and outage operation board 29, the operation board management device 2 automatically records that the operation board of the automatic breaker 3 corresponding to the power supply and outage operation board 29 is taken away, and prints a power outage operation work ticket; the maintenance personnel take away the work order to carry out power failure maintenance, at the moment, the operation board management device 2 always controls an output end contact ZJ1 of the ET200 distributed IO to be in a normally open state, the maintained automatic circuit breaker 3 cannot be switched on again, and even if the maintenance personnel leave, other personnel cannot be switched on; when other maintainers in a circuit area controlled by the same automatic circuit breaker 3 are overhauled at the same time, the other maintainers only need to brush the work plate and only print the power failure operation work ticket;
after the maintenance is completed, the maintenance personnel swipes the work board and the power supply and outage operation board 29, returns the power supply and outage operation board 29, performs identity verification and card swiping registration again directly on the operation board management device 2 or through a remote terminal, at this time, the operation card management apparatus 2 records that the operation card has been returned, but the work cards of other service personnel have not been brushed, the closing operation cannot be performed, the maintenance personnel places the power supply and cut-off operation plate 29 in the storage groove 7 on the corresponding plate returning plate 6, until all other maintainers swipe the working cards, the power supply and outage operation card 29 taken out of the corresponding receiving slot 7 on the card returning plate 6 swipes the card, after identity verification and card swiping registration, the operation card management device 2 controls the output end contact ZJ1 of the ET200 distributed IO to be in a normally closed state, the closing operation can be performed, and after the closing operation is completed, the last maintainer puts the power supply and outage operation board 29 into the corresponding accommodating groove 7 of the board taking plate 5.
If the maintenance staff does not handle the power failure procedure and has no authorization to power failure during power failure maintenance, the operation board management device 2 takes out the registration record of the power supply and outage operation board 29 when the power failure does not occur, and after the power failure, the power supply and outage operation board 29 cannot be returned and registered, and the breaker cannot be closed again for power transmission.
The operation panel management device 2 prints a closing work ticket, and the maintenance personnel performs closing operation of the automatic circuit breaker 3.
The maintainers can also inquire the working state and maintenance condition of the circuit breakers in each workshop (such as equipment being maintained, the condition of the maintainers, maintenance time, no-operation boards and the like) at any time.
In large-scale factory, the utility model discloses an operation tablet management device 2 can also set up respectively in every workshop, and a plurality of operation tablet management device 2's industrial computer 20 passes through the network and links to each other, realizes the information sharing, sparingly the time of doing business. The arrangement of the card taking plate 5 and the card returning plate 6 can prevent the power supply and outage operation card 29 from being lost on site, and other people can conveniently and visually observe which areas are being overhauled.
Claims (8)
1. A power failure operation safety control device based on an operation board is characterized by comprising an operation board management device, a distributed IO station, an automatic breaker for supplying power to factory equipment, a board taking plate and a board returning plate;
the operation board management device comprises an industrial personal computer, an operation board information authentication device, a power supply and outage operation board, a work board and a camera, wherein the industrial personal computer is connected with the operation board information authentication device through an interface, is also connected with a distributed IO station, and is connected into a secondary operation loop of an automatic breaker for supplying power to factory equipment through an output contact of the distributed IO station; the industrial personal computer is connected with the camera through the communication port, and the power supply maintainers are subjected to identity recognition through the camera;
the two sides of the operation card management device are respectively provided with a card taking plate and a card returning plate; the card taking plate and the card returning plate are provided with accommodating grooves for accommodating power supply and outage operation cards of corresponding automatic circuit breakers;
the operation board management device records the taking-out and returning information of the power supply and outage operation board and the work board through the operation board information authentication device.
2. The safety control device for power failure operation based on the operation board as claimed in claim 1, wherein the power supply and outage operation board and the working board are IC card operation boards, and the operation board information authentication device is an IC card reader.
3. The operation board-based power failure operation safety control device as claimed in claim 1, wherein the power supply and outage operation board and the work board are operation boards with bar codes or two-dimensional codes, and the operation board information authentication device is a bar code scanner.
4. The operation panel-based power failure operation safety control device is characterized in that the operation panel management device further comprises a PLC (programmable logic controller), the industrial personal computer is connected with the PLC through a communication port, and the PLC is connected with the distributed IO stations through an Ethernet or DP communication bus.
5. The operation panel-based power outage operation safety control device as claimed in claim 4, wherein the PLC is a Siemens PLC, and the distributed IO station is an ET 200.
6. The operation panel-based power outage operation safety control device as claimed in claim 1, characterized in that the operation panel management device further comprises a printer.
7. The operation board-based power failure operation safety control device as claimed in claim 1, wherein the operation board management device is further connected with a server and a remote wireless terminal through a wireless network, and the remote wireless terminal is used for identifying personnel identity and authenticating information of the power failure operation board and the work board.
8. The operation board-based power failure operation safety control device is characterized in that the industrial personal computer comprises a host and a touch screen, and the industrial personal computer is an industrial control all-in-one machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021188719.XU CN212723726U (en) | 2020-06-24 | 2020-06-24 | Power failure operation safety control device based on operation board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021188719.XU CN212723726U (en) | 2020-06-24 | 2020-06-24 | Power failure operation safety control device based on operation board |
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| CN212723726U true CN212723726U (en) | 2021-03-16 |
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| CN202021188719.XU Active CN212723726U (en) | 2020-06-24 | 2020-06-24 | Power failure operation safety control device based on operation board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113365444A (en) * | 2021-05-19 | 2021-09-07 | 曲梨铭 | Electrical equipment for maintaining safety of personnel |
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- 2020-06-24 CN CN202021188719.XU patent/CN212723726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113365444A (en) * | 2021-05-19 | 2021-09-07 | 曲梨铭 | Electrical equipment for maintaining safety of personnel |
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