CN212541335U - Remote authorization control system based on digital remote local switch - Google Patents
Remote authorization control system based on digital remote local switch Download PDFInfo
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- CN212541335U CN212541335U CN202021838857.8U CN202021838857U CN212541335U CN 212541335 U CN212541335 U CN 212541335U CN 202021838857 U CN202021838857 U CN 202021838857U CN 212541335 U CN212541335 U CN 212541335U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
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Abstract
The utility model discloses a remote authorization control system based on a digital remote local switch, which comprises a remote authorization server, a first switch, a plurality of authorization control terminals, a plurality of digital remote local switches and a second switch; the plurality of digital remote local switches are arranged in one-to-one correspondence with the plurality of telecontrol control loops; the digital remote local switch comprises a shell, a touch display screen, a central processing module, a communication module and a switch execution module; the switch execution module comprises a local mode relay and a remote mode relay; the local mode relay and the remote mode relay are connected with an execution signal output end of the central processing module; the central processing module is connected with the touch display screen; the central processing module is in communication connection with the remote authorization server through the communication module and the second switch; the authorization control terminal is connected with the remote authorization server through the first switch. The utility model provides the high security of switch on the spot.
Description
Technical Field
The utility model relates to a telemechanical control technical field among the electric power system especially relates to a distant place authorized control system based on switch on spot in the digital distant place.
Background
At present, the majority of remote on-site switches installed at substations basically employ mechanical multi-way selector switches of the handle type. Although the structure is simple, the potential safety hazard of telecontrol control is greatly increased in the use process. The concrete points are as follows: 1. in the manual operation process, if the position is not returned in time after being set, the phenomenon that telemechanical operation cannot be carried out in a dispatching remote place occurs. 2. The false operation occurs in the manual operation process, and the operation can be directly performed because the switch is not authenticated before being turned. Because most of the existing transformer substations adopt an unattended management mode, once a person breaks into the transformer substations, the state of the telecontrol equipment can be simply changed. If remote operation is required at this time, the operation cannot be performed. 3. The state of the switch cannot be switched remotely, nor can it be achieved by an improvement of simple construction. In addition, remote control of equipment is improved in the existing power grid system, but originally a single mechanical remote local switch cannot be remotely controlled, and if a control system for the mechanical remote ground switch is added, the capital cost is increased, fault points are increased, and the cost performance is not high.
Therefore, how to digitize the original mechanical remote local switch, ensure that the switch has the functions of the original switch and can realize remote control authorization control, and simultaneously construct a modern control system without increasing the number of equipment in a screen cabinet becomes a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a remote authorization control system based on the remote local switch of digitization, will change the switching of remote local switch mode into the touch-control by traditional knob, and need input the password to verify when changing, improved the security that originally can directly change, and construct the remote authorization control system of modernization; the engineering volume of the structural great reduction transformation can be realized, the direct replacement without destructiveness can be realized, and the number of equipment in the screen cabinet is not increased.
The utility model adopts the technical proposal that:
a remote authorization control system based on a digital remote local switch comprises a remote authorization server, a first switch, a plurality of authorization control terminals, a plurality of digital remote local switches and a second switch;
the plurality of digital remote local switches are arranged in one-to-one correspondence with the plurality of telecontrol control loops;
the digital remote local switch comprises a shell, a touch display screen, a central processing module, a communication module and a switch execution module; the switch execution module comprises a local mode relay and a remote mode relay; the local mode relay is connected in series with the grounding operation loop of the corresponding telemechanical control loop, and the remote mode relay is connected in series with the remote operation loop of the corresponding telemechanical control loop; the execution signal input ends of the local mode relay and the remote mode relay are respectively connected with the execution signal output end of the central processing module; the central processing module is electrically connected with the touch display screen;
the central processing modules of the plurality of digital remote local switches are respectively connected with a second switch through communication modules, and the second switch is in communication connection with a remote authorization server; the plurality of authorization control terminals are respectively connected with the remote authorization server through the first switch.
Furthermore, the digital remote local switch also comprises an indicator light module, and the indicator light module comprises a remote indicator light for indicating that the local switch is in a remote mode and a local indicator light for indicating that the local switch is in a local mode;
the control input ends of the remote indicator light and the local indicator light are respectively connected with the signal output end of the indicator light of the central processing module.
Furthermore, the digital remote local switch also comprises a forced local lock switch which is connected in parallel with two ends of the local mode relay.
Preferably, the digital remote local switch further comprises an interface module, wherein the interface module comprises a DO interface module and a network interface module; the execution signal output end of the central processing module is respectively connected with the local mode relay, the remote indicator light and the local indicator light through the DO interface module; the central processing module is connected with the communication module through the network interface module.
Preferably, the network interface module adopts a LAN interface.
The utility model discloses following beneficial effect has:
(1): the utility model discloses a digital distant place on spot switch, will change the switching of mode into the touch-control by traditional knob, and need input the password to verify when changing, improved the security that originally can directly change; the size of this digital distant place switch on spot, the mounting means all is the same with former mechanical type change over switch, and such design will significantly reduce the engineering volume of reforming transform and can realize the direct replacement of no destructiveness, also does not increase the quantity of equipment in the screen cabinet.
(2): the remote control system has the advantages that the authorization control terminal sends authorization information to the remote authorization server, so that the remote local switch is set to be in a remote operation mode in a remote control mode, remote control switching of the remote local switch mode is achieved, if the remote local switch is not set or is mistakenly operated in the manual operation process, people break into the state of the remote control equipment, the remote local switch mode is set to be in the remote operation mode through the authorization control terminal, the problem that the original machine is the remote local switch and cannot be remotely controlled to be switched is solved, and potential safety hazards of remote control are greatly reduced.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic rear view of the present invention;
description of reference numerals: 1. a housing; 2. a touch display screen; 3. a DO interface module; 4. a network interface module; 5. a remote indicator light; 6. an in-situ indicator light.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention includes a remote authorization server, a first switch, a plurality of authorization control terminals, a plurality of digital remote local switches and a second switch;
the plurality of digital remote local switches are arranged in one-to-one correspondence with the plurality of telecontrol control loops;
the digital remote local switch comprises a shell 1, a touch display screen 2, a central processing module, a communication module and a switch execution module; the switch execution module comprises a local mode relay and a remote mode relay; the local mode relay is connected in series with the grounding operation loop of the corresponding telemechanical control loop, and the remote mode relay is connected in series with the remote operation loop of the corresponding telemechanical control loop; the execution signal input ends of the local mode relay and the remote mode relay are respectively connected with the execution signal output end of the central processing module; the central processing module is electrically connected with the touch display screen 2;
the central processing modules of the plurality of digital remote local switches are respectively connected with a second switch through communication modules, and the second switch is in communication connection with a remote authorization server; the plurality of authorization control terminals are respectively connected with the remote authorization server through the first switch.
The touch display screen 2 is responsible for displaying and performing user interaction functions, readability of information can be greatly improved, touch is more attractive and concise than traditional keys, and expandability of content parts provides possibility for later-stage user customization.
The shell has a compact and reasonable appearance, can replace the original mechanical remote on-site light opening, has small volume difference, can be installed on the original screen cabinet opening foundation, and reduces unnecessary construction cost.
The remote authorization server is used for processing and authenticating the authorization request information and passing the authorization request information through the remote authorization server
And the second switch sends the information after the authentication processing to the target remote local switch, and the target remote local switch controls the remote local switch to enter a remote operation mode or quit the remote operation mode according to the received information.
The communication module is mainly responsible for processing and receiving instructions from a remote authorization server and transmitting the instructions to the central processing module.
The remote local switch changes the mode switching from the traditional knob to touch control, and needs to input a password for verification when in change, thereby improving the original safety which can be directly changed; the size and the installation mode of the digital remote local switch are the same as those of an original mechanical change-over switch, and the design greatly reduces the engineering quantity of reconstruction and can realize direct replacement without destructiveness.
The digital remote local switch also comprises an indicator light module, and the indicator light module comprises a remote indicator light 5 for indicating that the local switch is in a remote mode and a local indicator light 6 for indicating that the local switch is in a local mode;
the control input ends of the remote indicator lamp 5 and the local indicator lamp 6 are respectively connected with the signal output end of the indicator lamp of the central processing module.
After the central processing module reads the state of the switch execution module, the corresponding indicator light is controlled to be turned on, so that the operation mode of the remote local switch can be conveniently and conveniently judged.
The digital remote local switch also comprises a forced local lock switch which is connected in parallel with two ends of the local mode relay.
If the local operation mode can not be switched to due to the remote authorization fault or the digital switch fault, the mode can be switched by forcing the local switch lock.
The digital remote local switch also comprises an interface module, wherein the interface module comprises a DO interface module 3 and a network interface module 4; the execution signal output end of the central processing module is respectively connected with the execution signal input ends of the local mode relay and the remote mode relay through a DO interface module 3; the central processing module is connected with the communication module through a network interface module 4. The DO interface module 3 has normally open and normally closed interfaces at each contact. The free combination meets the requirements of site diversification, can adapt to the phenomena of different telecontrol systems on different sites, can configure the output nodes, and has good expansibility and strong adaptability.
The network interface module 4 adopts a LAN interface, realizes a high-efficiency and reliable TCP-IP network transmission protocol, and ensures that the digital remote local switch can effectively execute the instruction of the remote authorization server and upload the remote local state and operation information in real time.
The mode control process of the remote authorization control system based on the digital remote local switch comprises local control and remote control, and is specifically described as follows:
the in-situ control is specifically as follows: the central processing module is provided with an operation password; when the local mode is changed by a user, an operation password is input to the touch display screen 2, the central processing module compares the input operation password with the set operation password for verification, if the verification is passed, the mode switching state is entered, and the mode of the remote local switch is set to be a remote operation mode or a local operation mode by the user; otherwise, if the verification fails, the mode switching state is not entered;
the remote control is specifically as follows:
the remote authorization server is used for processing and authenticating the authorization request information and sending the information after authentication processing to the target remote local switch through the second switch, and the central processing module of the target remote local switch controls the remote local switch to enter a remote operation mode according to the received information.
The local control switching of the remote local switch mode is changed from the traditional knob to touch control, but a password needs to be input for verification when the button is changed, so that the original safety which can be directly changed is improved.
The remote control of the remote local switch mode can directly set the remote local switch mode as a remote operation mode in a remote place, and if someone breaks into the state of the remote equipment to change if the remote equipment is not reset or mistakenly operated in time after setting in the manual operation process, the local switch mode can be set as the remote operation mode through the remote control.
Setting a holding time T of a mode switching state in the central processing module, and allowing a user to set a remote local switch mode in the holding time T; if the user does not perform any operation in the holding time T, the remote local switch is automatically switched to the preset mode after the time T.
The preset mode is any one of the following three modes;
the first mode is as follows: the remote local switch is in a local operation mode and performs local control;
and a second mode: the remote local switch is in a remote operation mode and is used for remote control;
and a third mode: the remote local switch is in an intermediate state and can not be controlled locally or remotely.
The mode I is guaranteed to be successfully switched to be an on-site operation mode when the on-site maintenance is carried out, after user authentication is passed, even if a user forgets to carry out mode switching operation on a digital remote on-site switch within a retention time T, maintenance is carried out, the digital remote on-site switch can be successfully switched to be a grounding operation mode, maintenance work is guaranteed to be carried out smoothly, and after the maintenance site is not reached, the on-site switch mode is found to be not right, and return operation is carried out, so that the working efficiency is influenced.
The second mode ensures that after the user passes the authentication, even if the user forgets to perform the mode switching operation on the digital remote local switch within the holding time T, the mode is switched to the conventional remote operation mode, namely, the mode returns to the conventional state of the digital remote local switch.
In the third mode, the remote control loop and the local control loop of the remote local switch are not conducted, so that the maintenance personnel are safer, the potential safety hazard is reduced, and the third mode can be switched to the remote operation mode again by the operation of sending the authorization information to the remote authorization server through the authorization control terminal.
The user can be according to actual conditions, and nimble selection sets up preset mode for the function of switch is abundanter on the spot in a distant place, and in the better telecontrol that is applicable to, increase the convenience degree, reduce the potential safety hazard of telecontrol.
Claims (5)
1. A remote authorization control system based on a digital remote local switch is characterized in that: the remote authorization system comprises a remote authorization server, a first switch, a plurality of authorization control terminals, a plurality of digital remote local switches and a second switch;
the plurality of digital remote local switches are arranged in one-to-one correspondence with the plurality of telecontrol control loops;
the digital remote local switch comprises a shell, a touch display screen, a central processing module, a communication module and a switch execution module; the switch execution module comprises a local mode relay and a remote mode relay; the local mode relay is connected in series with the grounding operation loop of the corresponding telemechanical control loop, and the remote mode relay is connected in series with the remote operation loop of the corresponding telemechanical control loop; the execution signal input ends of the local mode relay and the remote mode relay are respectively connected with the execution signal output end of the central processing module; the central processing module is electrically connected with the touch display screen;
the central processing modules of the plurality of digital remote local switches are respectively connected with a second switch through communication modules, and the second switch is in communication connection with a remote authorization server; the plurality of authorization control terminals are respectively connected with the remote authorization server through the first switch.
2. The remote authorization control system based on the digitized remote local switch of claim 1, wherein: the digital remote local switch also comprises an indicator light module, and the indicator light module comprises a remote indicator light for indicating that the local switch is in a remote mode and a local indicator light for indicating that the local switch is in a local mode;
the control input ends of the remote indicator light and the local indicator light are respectively connected with the signal output end of the indicator light of the central processing module.
3. The remote authorization control system based on the digitized remote local switch of claim 1, wherein: the digital remote local switch also comprises a forced local lock switch which is connected in parallel with two ends of the local mode relay.
4. The remote authorization control system based on the digitized remote local switch of claim 2, wherein: the digital remote local switch also comprises an interface module, wherein the interface module comprises a DO interface module and a network interface module; the execution signal output end of the central processing module is respectively connected with the local mode relay, the remote indicator light and the local indicator light through the DO interface module; the central processing module is connected with the communication module through the network interface module.
5. The remote authorization control system based on the digitized remote local switch of claim 4, wherein: the network interface module adopts a LAN interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021838857.8U CN212541335U (en) | 2020-08-28 | 2020-08-28 | Remote authorization control system based on digital remote local switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021838857.8U CN212541335U (en) | 2020-08-28 | 2020-08-28 | Remote authorization control system based on digital remote local switch |
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| Publication Number | Publication Date |
|---|---|
| CN212541335U true CN212541335U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021838857.8U Active CN212541335U (en) | 2020-08-28 | 2020-08-28 | Remote authorization control system based on digital remote local switch |
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| CN (1) | CN212541335U (en) |
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- 2020-08-28 CN CN202021838857.8U patent/CN212541335U/en active Active
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