CN109753780B - Method and system for identifying user identity by relay protection device - Google Patents
Method and system for identifying user identity by relay protection device Download PDFInfo
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Abstract
The invention discloses a system for identifying user identity by a relay protection device, which comprises a relay protection device end and a user end, wherein the relay protection device end is connected with the user end; the user side comprises an identity card carrying identity information of an operator and user side equipment; the relay protection device end comprises an infrared induction module, a radio frequency identification module, a wireless communication module, a data processing module, a data storage module and a display module; the infrared induction module, the radio frequency identification module, the wireless communication module, the data storage module and the display module are all connected with the data processing module, and the infrared induction module is respectively and electrically connected with the radio frequency identification module and the wireless communication module. The invention also discloses a method for identifying the user identity by the relay protection device. The invention can quickly and accurately identify the identity of the operator, gives corresponding operation authority according to the identity of the operator, provides a corresponding operation interface, effectively improves the inspection efficiency of the operator while preventing misoperation, and has good application prospect.
Description
Technical Field
The invention relates to the technical field of intelligent automatic safety devices of transformer substations, in particular to a method and a system for identifying user identities by a relay protection device.
Background
With the improvement of the design and manufacturing capability of intelligent equipment in China, new technologies such as high-performance processing chips, large-capacity storage, communication technologies, artificial intelligence algorithms and the like are more and more widely applied to the field of traditional relay protection and electric automation. The type and the amount of information which can be collected and processed by the equipment are greatly improved. The method adopts the technology of Internet of things, can accurately identify the identity information of an operator, and improves the working efficiency of maintenance, routing inspection and the like of the transformer substation
At present, a relay protection device is single in function and low in intelligent degree, passwords need to be input when the relay protection device is logged in, the passwords are simple, operation authorities and operation interfaces of different operators cannot be distinguished, the operation difficulty of the relay protection device is increased, and the inspection efficiency of a transformer substation is reduced.
The chinese patent application No. 201110416883.0 discloses a miniature relay protection automatic measurement and control device with electronic identity recognition, which comprises a measurement and control unit, a man-machine interface unit and an electronic identity recognition unit. Wherein: the measurement and control unit has independent CPU control and has the functions of data acquisition and processing and logic judgment and execution. The human-machine interface unit comprises an operating system and a display system. The electronic identity recognition unit comprises an electronic identity acquisition system and a recognition analysis system. However, the patent carries out identity identification and judgment by reading the card through an electronic card reader, and has the problem that an unauthorized user falsely uses the identity identification card of an authorized user.
The chinese patent application No. 201410545548.4 discloses an identification method of relay protection equipment, which includes setting a unique identifier stored in an internal model of the relay protection equipment in a device layer of a relay protection fault information system. The patent can acquire the identification information of the relay protection device on line, but cannot identify the operator authorized to operate the relay protection device.
Therefore, a method for enabling the device to quickly identify the identity of the operator and improving the inspection efficiency of the transformer substation is urgently needed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a method and a system for identifying the user identity of a relay protection device.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for identifying user identity by a relay protection device comprises the following steps:
step 1, sensing whether an operator approaches through an infrared sensing module configured on a relay protection device;
step 2, when the approach of an operator is sensed, starting a wireless communication module and a radio frequency identification module configured by the relay protection device, accessing a wireless local area network, and simultaneously performing radio frequency identification;
step 3, the relay protection device sends a detection request frame through the wireless local area network to capture the MAC address of the user terminal equipment carried by the operator in real time, and simultaneously, the identity card of the operator is identified through the radio frequency identification module to obtain the identity card code of the operator;
step 4, the relay protection device compares the captured MAC address with an MAC address prestored in the relay protection device, and simultaneously compares the identification card code of the radio frequency identification with the identification card code prestored in the relay protection device to confirm the identity of an operator;
and 5, reading the operation authority matched with the confirmed identity of the operator by the relay protection device, calling an operation interface matched with the operation authority and configured by the relay protection device, and displaying the operation interface to the operator through the display module for man-machine interaction.
Preferably, the user end device comprises a portable terminal, a smart phone, a tablet computer and a smart wearable device. When entering the field of the relay protection device, an operator carries the user side equipment with him, so that the relay protection device can confirm the identity and the operation authority of the operator and provide a corresponding operation interface according to the operation authority. The user end equipment and the identity card carried by the operator are internally provided with the identity information which is uniquely matched with the operator, so that the relay protection device can confirm the identity of the operator by acquiring the MAC address of the user end equipment and the identity card code, and the identity identification effectiveness of the operator is improved.
Preferably, step 2 further comprises: and when the approach of an operator is not sensed, the wireless communication module and the radio frequency identification module of the relay protection device are disconnected. The wireless communication module and the radio frequency identification module are electrically connected with the infrared induction module and are powered by the infrared induction module, when the infrared induction module induces that an operator approaches, the wireless communication module and the radio frequency identification module are powered, and when the infrared induction module does not induce that the operator approaches, the wireless communication module and the radio frequency identification module are not powered, and the wireless communication module and the radio frequency identification module are in a standby state.
Preferably, a fingerprint identification module is further arranged in the relay protection device and used for further confirming the identity of an operator.
Preferably, a face recognition module is further arranged in the relay protection device and used for further confirming the identity of an operator.
A system for identifying user identity by a relay protection device comprises a relay protection device end and a user end, wherein data interaction is carried out between the relay protection device end and the user end through infrared induction, a wireless network and radio frequency identification;
the user side comprises an identity card carrying identity information of an operator and user side equipment;
the relay protection device end includes: the system comprises an infrared sensing module for sensing the approach of a user-side operator, a radio frequency identification module for identifying an identity card of the user-side operator, a wireless communication module for establishing network connection between a relay protection device and user-side equipment and acquiring an MAC address of the user-side equipment, a data processing module for performing MAC address comparison, identity card code comparison and information interaction between modules, a data storage module for prestoring the MAC address of the user-side equipment, the code of the operator identity card, the operating authority of the operator and an operating interface corresponding to the operating authority, and a display module for displaying the operating interface; the infrared induction module, the radio frequency identification module, the wireless communication module, the data storage module and the display module are all connected with the data processing module, and the infrared induction module is respectively and electrically connected with the radio frequency identification module and the wireless communication module.
Preferably, the user end device comprises a portable terminal, a smart phone, a tablet computer and a smart wearable device.
Preferably, the infrared sensing module comprises three groups of power lines, a first power line supplies power to the infrared sensing module, a second power line supplies power to the wireless communication module, and a third power line supplies power to the radio frequency identification module.
Preferably, a fingerprint identification module is further arranged in the relay protection device and used for further confirming the identity of an operator.
Preferably, a face recognition module is further arranged in the relay protection device and used for further confirming the identity of an operator.
Compared with the prior art, the invention has the beneficial effects that: 1) according to the method, after the infrared sensing module senses the approach of an operator, the wireless network card and the radio frequency identification are started, the identity of the operator is confirmed for many times through the wireless network card and the radio frequency identification, the identity of the operator is determined, and a corresponding operation interface is provided for the operator with the determined identity through the operation authority matched with the identity of the operator preset in the relay protection device; 2) the infrared sensing module senses the approach of an operator, the wireless network card and the radio frequency identification are started after the approach of the operator is sensed, and the related modules are not started when no operator approaches, so that unnecessary power consumption is avoided, and energy is saved; 3) the invention can quickly determine the identity of the operator, and is matched with the intelligent configuration of the relay protection human-computer interface, thereby effectively improving the working efficiency of the operator, reducing the working difficulty of the operator and having good application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a system for identifying a user identity by a relay protection device according to the present invention;
fig. 2 is a flowchart of a method for identifying a user identity by a relay protection device according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a system for a relay protection device to identify a user. The system comprises a relay protection device end and a user end, wherein data interaction is carried out between the relay protection device end and the user end through infrared induction, a wireless network and radio frequency identification. The user side comprises an identity card carrying identity information of an operator and user side equipment. The relay protection device end includes: the system comprises an infrared sensing module for sensing the approach of a user-side operator, a radio frequency identification module for identifying an identity card of the user-side operator, a wireless communication module for establishing network connection between a relay protection device and user-side equipment and acquiring an MAC address of the user-side equipment, a data processing module for performing MAC address comparison, identity card code comparison and information interaction between modules, a data storage module for prestoring the MAC address of the user-side equipment, the code of the operator identity card, the operating authority of the operator and an operating interface corresponding to the operating authority, and a display module for displaying the operating interface; the infrared induction module, the radio frequency identification module, the wireless communication module, the data storage module and the display module are all connected with the data processing module, and the infrared induction module is respectively and electrically connected with the radio frequency identification module and the wireless communication module.
Specifically, the user end equipment comprises a portable terminal, a smart phone, a tablet computer and intelligent wearable equipment. When the operator inspects the equipment, the operator carries the user end equipment and the identity card with the operator. The MAC address of the user end equipment is prestored in the relay protection device, when the relay protection device senses that an operator approaches through the infrared sensing module, the MAC address of the user end equipment carried by the operator is captured in real time through the wireless local area network and is compared with the prestored MAC address to confirm the identity of the operator. The identity card stores the identity information uniquely matched with the operator, and the identity information can be read by the relay protection device to confirm the identity of the operator.
In specific implementation, the infrared sensing module is arranged right in front of the relay protection device, the sensing distance is 5-8 meters, and the sensing angle range is 110 degrees. In this implementation, because operating personnel will operate relay protection device, so relay protection device should not install too high or low excessively, and its mounting height should make things convenient for operating personnel to operate, consequently sets up infrared induction module more reasonable in the dead ahead of relay protection device, and the perception operating personnel's that is convenient for in time, accurate is close. The infrared induction module can select the existing infrared induction probe and install the infrared induction probe right ahead the relay protection device. When different conditions exist between the installation position of the relay protection device and the relative position of a human body, the setting of the infrared induction module needs to be adaptively changed in consideration of specific conditions.
In specific implementation, an external alternating current power supply supplies power to a power module in the relay protection device after alternating current-direct current conversion, the power module is respectively and electrically connected with the infrared induction module, the data processing module, the data storage module and the display module to supply power to the modules, and the infrared induction module is respectively and electrically connected with the radio frequency identification module and the wireless communication module to supply power to the two modules. The infrared induction module comprises three groups of power lines, a first power line supplies power to the infrared induction module, a second power line supplies power to the wireless communication module, and a third power line supplies power to the radio frequency identification module. The first power line is always kept in a power-on state to support the infrared sensing module to continuously detect whether an operator approaches the infrared sensing module within twenty-four hours, the output of the second power line and the output of the third power line are controlled, when the infrared sensing module senses that the operator approaches the infrared sensing module, the second power line and the third power line output power supplies to the wireless communication module and the radio frequency identification module, the wireless communication module is started, a wireless local area network is accessed, and the radio frequency identification module is started to identify an identity card of the operator; when the infrared sensing module senses that the operator leaves, the second power line and the third power line cut off the power supply, the power supply to the wireless communication module and the radio frequency identification module is stopped, and the wireless communication module and the radio frequency identification module enter a standby state.
In a preferred embodiment, when the infrared sensing module senses that an operator approaches, the second power line and the third power line immediately output power to supply power to the wireless communication module and the radio frequency identification module, and when the infrared sensing module senses that the operator leaves, the second power line and the third power line delay for several seconds and then are cut off. The specific delay time may be 10 seconds, may be 20 seconds, or may be other values, as determined by a programmer at the time of programming.
Preferably, the wireless communication module is a wireless network card. When the infrared sensing module senses that an operator approaches and starts the wireless communication module, the relay protection device is connected to the wireless local area network, the MAC address of the terminal equipment carried by the operator is captured in real time through a wireless local area network detection request frame, the captured MAC address is sent to the data processing module, the data processing module calls the MAC address of the user side equipment prestored in the data storage module to be compared with the captured MAC address, and the identity of the operator is confirmed. Wherein, the probe request frame is defined by the IEEE 802.11 wireless local area network general standard.
Preferably, the radio frequency identification module comprises a built-in antenna and an RFID reader, and the operator carries with him an electronic tag adapted to be in signal connection with the RFID reader, where the electronic tag is an identity card code provided on an identity card carried with him. After the infrared sensing module senses that an operator approaches and starts the radio frequency identification module, the RFID reader and the electronic tag are mutually sensed, the RFID reader reads an identity card code serving as the electronic tag and sends the identity card code to the data processing module, and the data processing module calls the identity card code of the operator prestored in the data storage module to be compared with the currently recognized identity card code to confirm the identity of the operator.
Preferably, the data processing module can adopt a DSP chip or an FPGA chip to realize the function of comparing MAC addresses with identity card codes and simultaneously realize the control of information interaction between the modules.
Preferably, the data storage module can be an SD memory card, and since the SD memory card has the excellent characteristics of small size, high data transmission speed, and hot-pluggable performance, the configuration of the SD memory card in the relay protection device for storing data such as the MAC address of the user end device, the id card code of the operator, the operation authority of the operator, and the operation interface corresponding to the operation authority has a great advantage, and data update can be performed conveniently when the operator changes or the operation authority changes.
Preferably, the display module selects the liquid crystal display screen, so that more information can be displayed, the color is rich, and the visual perception is better.
Corresponding to the above system, the present invention provides a method for a relay protection device to identify a user identity, as shown in fig. 2, the method includes the following steps:
step 1, sensing whether an operator approaches through an infrared sensing module configured on a relay protection device;
step 2, when the approach of an operator is sensed, starting a wireless communication module and a radio frequency identification module configured by the relay protection device, accessing a wireless local area network, and simultaneously performing radio frequency identification;
step 3, the relay protection device sends a detection request frame through the wireless local area network to capture the MAC address of the user terminal equipment carried by the operator in real time, and simultaneously, the identity card of the operator is identified through the radio frequency identification module to obtain the identity card code of the operator;
step 4, the relay protection device compares the captured MAC address with an MAC address prestored in the relay protection device, and simultaneously compares the identification card code of the radio frequency identification with the identification card code prestored in the relay protection device to confirm the identity of an operator;
and 5, reading the operation authority matched with the confirmed identity of the operator by the relay protection device, calling an operation interface matched with the operation authority and configured by the relay protection device, and displaying the operation interface to the operator through the display module for man-machine interaction.
Specifically, only when the MAC address is correctly matched and the identity card code is correctly matched, the identity of the operator can be confirmed, and the operation interface corresponding to the operation authority of the operator can be called to be displayed.
Preferably, the present invention further comprises a fingerprint recognition module for further confirming the identity of the operator. The fingerprint identification module can be an existing fingerprint identification module and is arranged on the surface of the relay protection device. Fingerprint identification module and data processing module are connected, the operating personnel's that has the operation authority fingerprint information is prestored in relay protection device, compare MAC address and identity card code in order to confirm the operating personnel identity in-process when the inconsistent condition appears in relay protection device, but the MAC address matches nevertheless identity card code mismatch promptly, or the identity card code matches but the MAC address mismatch, data processing module sends prompt message to display module, remind operating personnel to carry out fingerprint identification, further confirm operating personnel identity, improve the identity and confirm the degree of accuracy.
As a preferable scheme, the invention can also comprise a face recognition module for further confirming the identity of the operator. The face recognition module comprises an existing face recognition program preset in the data processing module and a high-definition camera arranged at the front end of the relay protection device. When the relay protection device compares the MAC address and the identity card code to confirm that the identity of the operator is inconsistent, namely the MAC address is matched but the identity card code is not matched, or the identity card code is matched but the MAC address is not matched, the data processing module sends a prompt message to the display module to remind the operator to see the high-definition camera, the face information of the current operator is shot to carry out face recognition, the identity of the operator is further confirmed, and the identity confirmation accuracy is improved.
After the infrared sensing module senses the approach of an operator, the wireless communication module and the radio frequency identification module are started, the wireless local area network is accessed, and the identity card of the operator is identified; then the relay protection device captures an MAC address of equipment carried by an operator by sending a detection request frame, identifies an identity card code of the operator by a radio frequency identification module, compares the captured MAC address with an MAC address prestored in the relay protection device, and compares the identified identity card code with an identity card code prestored in the relay protection device to complete the confirmation of the identity of the operator; after the identity of an operator is determined, the corresponding operation interface is provided for the operator with the determined identity through the operation authority matched with the identity of the operator prestored in the relay protection device, and the operation interface is displayed through the display device so that the operator can conveniently perform human-computer interaction. The method of the invention can rapidly determine the identity of the operator, improve the accuracy of identity identification of the operator, and reduce the working difficulty of the operator by providing different operation interfaces for operators with different authorities, thereby improving the working efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A method for a relay protection device to identify user identities is characterized by comprising a system for the relay protection device to identify user identities, wherein the system comprises a relay protection device end and a user end, and data interaction is performed between the relay protection device end and the user end through infrared induction, a wireless network and radio frequency identification;
the user side comprises an identity card carrying identity information of an operator and user side equipment;
the relay protection device end includes: the system comprises an infrared sensing module for sensing the approach of a user-side operator, a radio frequency identification module for identifying an identity card of the user-side operator, a wireless communication module for establishing network connection between a relay protection device and user-side equipment and acquiring an MAC address of the user-side equipment, a data processing module for performing MAC address comparison, identity card code comparison and information interaction between modules, a data storage module for prestoring the MAC address of the user-side equipment, the code of the operator identity card, the operating authority of the operator and an operating interface corresponding to the operating authority, and a display module for displaying the operating interface; the infrared induction module, the radio frequency identification module, the wireless communication module, the data storage module and the display module are all connected with the data processing module, and the infrared induction module is respectively and electrically connected with the radio frequency identification module and the wireless communication module;
the method comprises the following steps:
step 1, sensing whether an operator approaches through an infrared sensing module configured on a relay protection device;
step 2, when the approach of an operator is sensed, starting a wireless communication module and a radio frequency identification module configured by the relay protection device, accessing a wireless local area network, and simultaneously performing radio frequency identification;
step 3, the relay protection device sends a detection request frame through the wireless local area network to capture the MAC address of the user terminal equipment carried by the operator in real time, and simultaneously, the identity card of the operator is identified through the radio frequency identification module to obtain the identity card code of the operator;
step 4, the relay protection device compares the captured MAC address with an MAC address prestored in the relay protection device, and simultaneously compares the identification card code of the radio frequency identification with the identification card code prestored in the relay protection device to confirm the identity of an operator;
and 5, reading the operation authority matched with the confirmed identity of the operator by the relay protection device, calling an operation interface matched with the operation authority and configured by the relay protection device, and displaying the operation interface to the operator through the display module for man-machine interaction.
2. The method for identifying the user identity through the relay protection device according to claim 1, wherein the user side equipment comprises a portable terminal, a smart phone, a tablet computer, and a smart wearable device.
3. The method for identifying the user identity by the relay protection device according to any one of claims 1 to 2, wherein the step 2 further comprises: and when the approach of an operator is not sensed, the wireless communication module and the radio frequency identification module of the relay protection device are disconnected.
4. The method for identifying the user identity by the relay protection device according to claim 1, wherein a fingerprint identification module is further arranged in the relay protection device for further confirming the identity of an operator.
5. The method for identifying the user identity by the relay protection device according to claim 1, wherein a face recognition module is further arranged in the relay protection device and is used for further confirming the identity of an operator.
6. The method for identifying the user identity through the relay protection device according to claim 1, wherein the user side equipment comprises a portable terminal, a smart phone, a tablet computer, and a smart wearable device.
7. The method as claimed in claim 1, wherein the infrared sensing module comprises three power lines, a first power line supplies power to the infrared sensing module, a second power line supplies power to the wireless communication module, and a third power line supplies power to the rfid module.
8. The method for identifying the user identity by the relay protection device according to claim 1, wherein a fingerprint identification module is further arranged in the relay protection device for further confirming the identity of an operator.
9. The method for identifying the user identity by the relay protection device according to claim 1, wherein a face recognition module is further arranged in the relay protection device and is used for further confirming the identity of an operator.
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