CN206149285U - Electric wire netting detection device based on authority is controlled in multiple authentication - Google Patents

Electric wire netting detection device based on authority is controlled in multiple authentication Download PDF

Info

Publication number
CN206149285U
CN206149285U CN201620982430.2U CN201620982430U CN206149285U CN 206149285 U CN206149285 U CN 206149285U CN 201620982430 U CN201620982430 U CN 201620982430U CN 206149285 U CN206149285 U CN 206149285U
Authority
CN
China
Prior art keywords
module
authentication
code
data processor
electrical network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620982430.2U
Other languages
Chinese (zh)
Inventor
张君
曹源
李慧聪
关永昌
赵鑫
郭芮
崔龙龙
王波
张海城
李芳芳
卞高敏
赵文利
张通
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201620982430.2U priority Critical patent/CN206149285U/en
Application granted granted Critical
Publication of CN206149285U publication Critical patent/CN206149285U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides an electric wire netting detection device based on authority is controlled in multiple authentication, include: the casing, inside battery, voltage acquisition module, electric current collection module, AD conversion module, metering modules, data processor, touch -sensitive screen, camera, infrared thermal imaging module, GIS module, electron sign read/write module, storage module, wireless communication module, identity verification module, the device locking module of being equipped with of casing, it is littleer that electric wire netting detection device overall structure is compacter, the volume is implemented to the distribution integrated terminal, and the function is more complete. And set up authentication to detection device, and avoided the leak of controlling the management, make non professional can't operate or control monitoring device at will, guaranteed that detection device only uses to the personnel of identity approval.

Description

A kind of electrical network detection means that authority is manipulated based on multiple authentication
Technical field
This utility model is related to field of power transformation, more particularly to a kind of electrical network detection dress that authority is manipulated based on multiple authentication Put.
Background technology
Converting equipment in electrical network is the power equipment that electric energy is distributed directly to low-voltage customer, and its service data is whole The important component part of distribution network basic data.With the continuous improvement of industrial automation level, enterprise is to power supply quality, confession The requirement more and more higher of electric reliability, power supply enterprise will have at fingertips the present situation of electrical network when planning and designing are carried out, and industry expands report Dress, new user are started to exchange fire, system increase-volume, transformator are layouted the daily planning such as is related to must have scientific basis, to power supply enterprise Production division for, the safety of equipment is the emphasis of concern.
Current, single function incomplete to the apparatus function of the running state monitoring of the converting equipment in electrical network;Low precision, Automatization level is low;And for the operation management of supervising device be also the presence of larger leak, without rational security management and control Means, it would be possible to realize the abuse to power grid control power and misuse.There is a possibility that other people steal operation, while current power Limit authentication mode configuration underaction, purview certification is not strict enough, it is impossible to fully meet current national grid system to power train The requirement of system security control.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model to be, there is provided one kind is recognized based on multiple The electrical network detection means of card manipulation authority, including:Housing, enclosure interior is provided with battery, voltage acquisition module, current acquisition mould Block, A/D modular converters, metering module, data processor, touch screen, photographic head, infrared thermal imaging module, GIS modules, electronics Mark module for reading and writing, storage module, wireless communication module, authentication module, device locking module;
Device locking module, voltage acquisition module, current acquisition module, A/D modular converters, metering module, touch screen, Photographic head, infrared thermal imaging module, GIS modules, electronic mark module for reading and writing, storage module, wireless communication module, authentication Module is connected respectively with data processor;
Device locking module is used to lock electrical network detection means inner function module and touch screen;
The authentication module is password authentication module, digital certificate authentication module, fingerprint authentication module, voice authentication At least one in module, iris verification module, NFC information authentication modules;
The housing is provided with and is used to verify personnel's identity information, and the checking for using is adapted with authentication module Input module, checking input module is in cipher input, fingerprint identification device, iris identification device, voice recognition device At least one;Authentication module is used for the authentication information for obtaining checking input module and storage in storage module Certificate data is compared, and is verified when comparing successfully then to be considered as, and authentication module will be verified signal transmission To data processor, data processor controlled device locking module, by electrical network detection means inner function module and touch screen It is unlocked;
Be stored with certificate data in the storage module;
The outfan of the voltage acquisition module is connected respectively with the input of A/D modular converters and metering module;
The outfan of the current acquisition module is also connected with the input of A/D modular converters and metering module respectively;
The outfan of the A/D modular converters and metering module is connected with data processor;
The touch screen is connected with data processor, and corresponding touch screen interface is arranged on data processor;
Data processor is also associated with real-time clock and power management chip;
The photographic head is used for the image that scene is patrolled and examined in intake, and image information is stored to storage module;
The infrared thermal imaging module is used to obtain the infrared thermal imaging image at scene;
The GIS modules are used to carry out patrolling and examining route guidance and its visual according to real-time geographical locations information and work calculating Change surrounding geographical information;
The electronic mark module for reading and writing is adapted with the electronic mark on every converting equipment, makes device pass through to read electricity Sub-mark information, obtains the attribute information of converting equipment.
Preferably, authentication module includes:ID card reader;
ID card reader is adapted with fingerprint capturer;
ID card reader is provided with formation-decoding module, and fingerprint capturer is by fingerprint collecting program and data processing Module is connected;Identity data in resident identification card is decoded by brush card program transportation to the information in ID card reader Module;Formation-decoding module is connected respectively with panel computer and data processing module;
Housing is provided with ID card information data-interface, fingerprint sensor interface, fingerprint algorithm module, fingerprint algorithm protection Module;
Electrical network detection means is built-in with the close algoritic module of state, canonical algorithm module;The close algoritic module of state for support SM1, The module of the close algorithm fingerprint algorithm of SM2, SM3, SMS4, SM6, SSF33, SCB2 state;Canonical algorithm module for support RSA, ECC, The module of AES, DES/3DES, SHA international standard algorithm.
Preferably, also include:Speech recognition equipment, speech recognition determining module
Storage module is additionally operable to store up institute's speech unlocking character code;
Speech recognition equipment is used for the voice messaging for obtaining and identifying user is input into;
Speech recognition determining module is used to that the simultaneously voice messaging of identifying user input and the language of storage module storage will to be obtained Sound unblock character code is compared and judges whether unanimously;
Device locking module is additionally operable to the voice of the voice messaging when acquisition and identifying user input and storage module storage Unblock character code than it is more consistent when, electrical network detection means inner function module and touch screen are unlocked.
Preferably, also including ethernet module, the ethernet module is connected with data processor, and ethernet module is being counted Corresponding Ethernet interface is provided with according to processor.
Preferably, also include:Communication card service module;
The communication card service module is used to dispose SIM, makes data acquisition unit connect GSM network, by GSM network Communicated.
Preferably, also include:Barcode scanning module, image in 2 D code acquisition module, image in 2 D code identification module, authentication password Performing module, two-dimensional code generation module;
The image in 2 D code acquisition module is used to obtain the Quick Response Code shown on outside mobile terminal by barcode scanning module Image is scanned, and obtains the image in 2 D code that the device service end is generated;
The image in 2 D code identification module is used for the image in 2 D code to getting and decodes, to obtain the two dimension The interactive information ciphertext of code image;
The authentication password performing module is used to be decrypted interactive information ciphertext according to default decipherment algorithm, and presses According to default AES and computation key, authentication password is generated, and the authentication password is transferred back to data processor, make the electricity Net detection means carries out password authentification, if password authentification is correct, data processor completes pairing with the mobile terminal;
The two-dimensional code generation module is used for by default AES and computation key, generates pairing Quick Response Code, Screen display is touched, for other mobile terminals pairing is scanned.
As can be seen from the above technical solutions, this utility model has advantages below:
Electrical network detection means overall structure is more compact, comprehensive power distribution terminal enforcement volume is less, and function is more complete.Apparatus function Various, transmission precision is high, and automatization level is high;And communication interface is more, extension is capable of achieving.Reduce installation and debugging workload, lead to News equipment investment, improves device cost performance.Converting equipment reliability of operation and efficiency are improved, power supply quality is improved, labor is reduced Fatigue resistance, be electric power system detection and monitoring bring it is convenient.
And it is provided with authentication for detection means, it is to avoid and the leak of operation management, make the layman cannot Arbitrarily operate or manipulate supervising device, it is ensured that the librarian use that detection means is permitted just for identity.
Increase the mode of finger print identifying, it is ensured that all of electric grid operating is manually operated for personnel, occurs without other personnel distant The possibility of control operation.For each personnel in system, the input function of the information such as fingerprint or palmmprint is supported.
Increase sound identification module, carry out voice login.According to the latest scientific research of the resolution of current speech, according to Personal sound differences carry out voice confirmation, and the manually-operated checking of electric grid operating is strengthened on deeper level, it is ensured that electricity The safety of net regulation and control.
Description of the drawings
In order to be illustrated more clearly that the technical solution of the utility model, the accompanying drawing to be used needed for description will be made below Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for this area For those of ordinary skill, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the overall schematic of the electrical network detection means that authority is manipulated based on multiple authentication.
Specific embodiment
It is concrete below in conjunction with this to enable the purpose of this utility model, feature, advantage more obvious and understandable Accompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in this utility model Embodiment is only a part of embodiment of this utility model, and not all embodiment.Based on the embodiment in this patent, ability All other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to this patent guarantor The scope of shield.
This utility model provides a kind of electrical network detection means that authority is manipulated based on multiple authentication, as shown in figure 1, bag Include:Housing, enclosure interior is provided with battery 2, voltage acquisition module 11, current acquisition module 12, A/D modular converters 13, metering mould Block 14, data processor 1, touch screen 15, photographic head 16, infrared thermal imaging module 17, GIS modules 18, electronic mark read-write mould Block 19, storage module 21, wireless communication module 22, authentication module 23, device locking module 24;
Device locking module 24, voltage acquisition module 11, current acquisition module 12, A/D modular converters 13, metering module 14th, touch screen 15, photographic head 16, infrared thermal imaging module 17, GIS modules 18, electronic mark module for reading and writing 19, storage module 21st, wireless communication module 22, authentication module 23 are connected respectively with data processor 1;
Device locking module 24 is used to lock electrical network detection means inner function module and touch screen 15;Authentication mould Block 23 be password authentication module, digital certificate authentication module, fingerprint authentication module, voice authentication module, iris verification module, At least one in NFC information authentication modules;
Housing is provided with and is used to verify personnel's identity information, and it is defeated that the checking for using is adapted with authentication module 23 Enter module, checking input module is in cipher input, fingerprint identification device, iris identification device, voice recognition device It is at least one;Authentication module 23 is used for the authentication information for obtaining checking input module and storage in storage module Certificate data is compared, and is verified when comparing successfully then to be considered as, and authentication module will be verified signal transmission To data processor, data processor controlled device locking module, by electrical network detection means inner function module and touch screen It is unlocked;Be stored with certificate data in storage module 21;
The outfan of voltage acquisition module 11 is connected respectively with the input of A/D modular converters 13 and metering module 14;Electricity The outfan of stream acquisition module 12 is also connected with the input of A/D modular converters 13 and metering module 14 respectively;A/D moduluss of conversion The outfan of block 13 and metering module 14 is connected with data processor 1;Touch screen 15 is connected with data processor 1, in data Corresponding touch screen interface is set on processor 1;Data processor 1 is also associated with real-time clock and power management chip;Shooting 16 are used for the image that scene is patrolled and examined in intake, and image information is stored to storage module 21;Infrared thermal imaging module 17 is used to obtain The infrared thermal imaging image of enchashment field;GIS modules 18 are used to carry out patrolling and examining road with work calculating according to real-time geographical locations information Line navigates and its visualization surrounding geographical information;Electronic mark module for reading and writing 19 is mutually fitted with the electronic mark on every converting equipment Match somebody with somebody, make device pass through to read electronic mark information, obtain the attribute information of converting equipment.
In the present embodiment, authentication module includes:ID card reader;
ID card reader is adapted with fingerprint capturer;ID card reader is provided with formation-decoding module, Fingerprint capturer is connected by fingerprint collecting program with data processing module;Identity data in resident identification card is by brush card journey Sequence is transferred to the formation-decoding module in ID card reader;Formation-decoding module respectively with panel computer and data processing Module is connected;Housing is provided with ID card information data-interface, fingerprint sensor interface, fingerprint algorithm module, fingerprint algorithm and protects Shield module;
Electrical network detection means is built-in with the close algoritic module of state, canonical algorithm module;The close algoritic module of state for support SM1, The module of the close algorithm fingerprint algorithm of SM2, SM3, SMS4, SM6, SSF33, SCB2 state;Canonical algorithm module for support RSA, ECC, The module of AES, DES/3DES, SHA international standard algorithm.
The electrical network detection means for manipulating authority based on multiple authentication also includes:Speech recognition equipment, speech recognition determine mould Block
Storage module is additionally operable to store up institute's speech unlocking character code;Speech recognition equipment is used to obtain simultaneously identifying user input Voice messaging;Speech recognition determining module is used to that the simultaneously voice messaging of identifying user input and the language of storage module storage will to be obtained Sound unblock character code is compared and judges whether unanimously;Device locking module is additionally operable to when the voice for obtaining and identifying user is input into The speech unlocking character code of information and storage module storage than it is more consistent when, by electrical network detection means inner function module and touch Touch screen to be unlocked.
The electrical network detection means for manipulating authority based on multiple authentication also includes ethernet module, the ethernet module and number It is connected according to processor, ethernet module is provided with corresponding Ethernet interface on data processor.
The electrical network detection means for manipulating authority based on multiple authentication also includes:Communication card service module;Communication card services mould Block is used to dispose SIM, makes data acquisition unit connect GSM network, is communicated by GSM network.
The electrical network detection means for manipulating authority based on multiple authentication also includes:Barcode scanning module, image in 2 D code acquisition module, Image in 2 D code identification module, authentication password performing module, two-dimensional code generation module;
Image in 2 D code acquisition module is used to obtain the image in 2 D code shown on outside mobile terminal by barcode scanning module It is scanned, obtains the image in 2 D code that the device service end is generated;Image in 2 D code identification module is used for getting Image in 2 D code is decoded, to obtain the interactive information ciphertext of the image in 2 D code;Authentication password performing module is used to press Interactive information ciphertext is decrypted according to default decipherment algorithm, and according to default AES and computation key, generation is recognized Card password, and the authentication password is transferred back to data processor, make the electrical network detection means carry out password authentification, if password is tested Card is correct, and data processor completes pairing with the mobile terminal;Two-dimensional code generation module is used to pass through default AES And computation key, pairing Quick Response Code is generated, show on the touchscreen, it is scanned pairing for other mobile terminals.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can in other embodiments be realized in the case of without departing from spirit or scope of the present utility model.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (6)

1. it is a kind of based on multiple authentication manipulate authority electrical network detection means, it is characterised in that include:Housing, enclosure interior sets There are battery, voltage acquisition module, current acquisition module, A/D modular converters, metering module, data processor, touch screen, shooting Head, infrared thermal imaging module, GIS modules, electronic mark module for reading and writing, storage module, wireless communication module, authentication mould Block, device locking module;
Device locking module, voltage acquisition module, current acquisition module, A/D modular converters, metering module, touch screen, shooting Head, infrared thermal imaging module, GIS modules, electronic mark module for reading and writing, storage module, wireless communication module, authentication module It is connected with data processor respectively;
Device locking module is used to lock electrical network detection means inner function module and touch screen;
The authentication module is password authentication module, digital certificate authentication module, fingerprint authentication module, voice authentication mould At least one in block, iris verification module, NFC information authentication modules;
The housing is provided with and is used to verify personnel's identity information, and the checking input for using is adapted with authentication module Module, checking input module be cipher input, fingerprint identification device, iris identification device, voice recognition device in extremely Few one kind;Authentication module is used for the identity of the authentication information and storage in storage module for obtaining checking input module Checking data are compared, and are verified when comparing successfully then to be considered as, and authentication module will be verified signal and be sent to number According to processor, data processor controlled device locking module, electrical network detection means inner function module and touch screen are carried out Unblock;
Be stored with certificate data in the storage module;
The outfan of the voltage acquisition module is connected respectively with the input of A/D modular converters and metering module;
The outfan of the current acquisition module is also connected with the input of A/D modular converters and metering module respectively;
The outfan of the A/D modular converters and metering module is connected with data processor;
The touch screen is connected with data processor, and corresponding touch screen interface is arranged on data processor;
Data processor is also associated with real-time clock and power management chip;
The photographic head is used for the image that scene is patrolled and examined in intake, and image information is stored to storage module;
The infrared thermal imaging module is used to obtain the infrared thermal imaging image at scene;
The GIS modules are used to be carried out patrolling and examining route guidance and its visualization week according to real-time geographical locations information and work calculating Side geography information;
The electronic mark module for reading and writing is adapted with the electronic mark on every converting equipment, makes device pass through to read electronics mark Knowledge information, obtains the attribute information of converting equipment.
2. it is according to claim 1 based on multiple authentication manipulate authority electrical network detection means, it is characterised in that
Authentication module includes:ID card reader;
ID card reader is adapted with fingerprint capturer;
ID card reader is provided with formation-decoding module, and fingerprint capturer is by fingerprint collecting program and data processing module It is connected;Identity data in resident identification card decodes mould by brush card program transportation to the information in ID card reader Block;Formation-decoding module is connected respectively with panel computer and data processing module;
Housing is provided with ID card information data-interface, fingerprint sensor interface, fingerprint algorithm module, fingerprint algorithm protection mould Block;
Electrical network detection means is built-in with the close algoritic module of state, canonical algorithm module;The close algoritic module of state for support SM1, SM2, The module of the close algorithm fingerprint algorithm of SM3, SMS4, SM6, SSF33, SCB2 state;Canonical algorithm module for support RSA, ECC, AES, The module of DES/3DES, SHA international standard algorithm.
3. it is according to claim 1 based on multiple authentication manipulate authority electrical network detection means, it is characterised in that
Also include:Speech recognition equipment, speech recognition determining module
Storage module is additionally operable to store up institute's speech unlocking character code;
Speech recognition equipment is used for the voice messaging for obtaining and identifying user is input into;
Speech recognition determining module is used to that the simultaneously voice messaging of identifying user input and the voice solution of storage module storage will to be obtained Lock character code is compared and judges whether unanimously;
Device locking module is additionally operable to the speech unlocking of the voice messaging when acquisition and identifying user input and storage module storage Character code than it is more consistent when, electrical network detection means inner function module and touch screen are unlocked.
4. it is according to claim 1 based on multiple authentication manipulate authority electrical network detection means, it is characterised in that
Also include ethernet module, the ethernet module is connected with data processor, and ethernet module is on data processor It is provided with corresponding Ethernet interface.
5. it is according to claim 1 based on multiple authentication manipulate authority electrical network detection means, it is characterised in that
Also include:Communication card service module;
The communication card service module is used to dispose SIM, makes data acquisition unit connect GSM network, is carried out by GSM network Communication.
6. it is according to claim 1 based on multiple authentication manipulate authority electrical network detection means, it is characterised in that
Also include:Barcode scanning module, image in 2 D code acquisition module, image in 2 D code identification module, authentication password performing module, two Dimension code generation module;
The image in 2 D code acquisition module is used to obtain the image in 2 D code shown on outside mobile terminal by barcode scanning module It is scanned, obtains the image in 2 D code that the device service end is generated;
The image in 2 D code identification module is used for the image in 2 D code to getting and decodes, to obtain the Quick Response Code figure The interactive information ciphertext of picture;
The authentication password performing module is used to be decrypted interactive information ciphertext according to default decipherment algorithm, and according to pre- If AES and computation key, generate authentication password, and the authentication password is transferred back to data processor, make electrical network inspection Surveying device carries out password authentification, if password authentification is correct, data processor completes pairing with the mobile terminal;
The two-dimensional code generation module is used for by default AES and computation key, generates pairing Quick Response Code, is touching Screen display, for other mobile terminals pairing is scanned.
CN201620982430.2U 2016-08-30 2016-08-30 Electric wire netting detection device based on authority is controlled in multiple authentication Active CN206149285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620982430.2U CN206149285U (en) 2016-08-30 2016-08-30 Electric wire netting detection device based on authority is controlled in multiple authentication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620982430.2U CN206149285U (en) 2016-08-30 2016-08-30 Electric wire netting detection device based on authority is controlled in multiple authentication

Publications (1)

Publication Number Publication Date
CN206149285U true CN206149285U (en) 2017-05-03

Family

ID=58628501

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620982430.2U Active CN206149285U (en) 2016-08-30 2016-08-30 Electric wire netting detection device based on authority is controlled in multiple authentication

Country Status (1)

Country Link
CN (1) CN206149285U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106209385A (en) * 2016-08-30 2016-12-07 国网山东省电力公司滨州供电公司 A kind of electrical network detection device based on multiple authentication manipulation authority
CN112948837A (en) * 2021-02-23 2021-06-11 国网山东省电力公司电力科学研究院 Power grid information security credible work system based on Internet of things

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106209385A (en) * 2016-08-30 2016-12-07 国网山东省电力公司滨州供电公司 A kind of electrical network detection device based on multiple authentication manipulation authority
CN112948837A (en) * 2021-02-23 2021-06-11 国网山东省电力公司电力科学研究院 Power grid information security credible work system based on Internet of things
CN112948837B (en) * 2021-02-23 2023-04-25 国网山东省电力公司电力科学研究院 Power grid information safety and credibility working system based on Internet of things

Similar Documents

Publication Publication Date Title
CN106209385A (en) A kind of electrical network detection device based on multiple authentication manipulation authority
CN204719837U (en) A kind of visible dialogue system with face recognition module
CN105574496A (en) Face talkback recognition system
CN110164012A (en) A kind of community's access control system and working method thereof
CN103248874B (en) Job site wireless portable data acquiring and transmission system headend equipment
CN105337408B (en) The quick defect elimination system in acquiring electric energy information scene
KR101859715B1 (en) IoT service providing system with IoT smart home system and IoT service providing server for using the same
CN107196901A (en) A kind of identity registration and the method and device of certification
Olaniyi et al. Design of secure electronic voting system using multifactor authentication and cryptographic hash functions
CN112395582B (en) Job entry management method, system, computer device and storage medium
CN206149285U (en) Electric wire netting detection device based on authority is controlled in multiple authentication
CN207233066U (en) A kind of type hotel occupancy management system
CN110211263A (en) A kind of intelligent door method for unlocking and system based on block chain technology
CN214752023U (en) Fingerprint acquisition device and fingerprint management system
CN109688373A (en) A kind of video fusion management system of substation project scene
JP4794612B2 (en) Power measurement display device and circuit breaker provided with the same
CN208969738U (en) Hand-held tour terminal for safety monitoring
CN109583977A (en) A kind of certificate chain house pre-sale permit electronics license system and its application method
CN214042408U (en) Two-dimensional code epidemic prevention system for public health
CN208110625U (en) Law-enforcing recorder and system
CN103186736A (en) Fingerprint key device
CN203799010U (en) Field detection device of intelligent electric energy meter
CN208805817U (en) Image recognition server-side
CN106599745A (en) System and method capable of checking and substitution of smart card
CN111967555A (en) Mobile payment, people's identity verification and non-identity verification integrated system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant