CN111161453A - Intelligent door lock control system and method for tower barrel of wind turbine generator and wind turbine generator - Google Patents

Intelligent door lock control system and method for tower barrel of wind turbine generator and wind turbine generator Download PDF

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Publication number
CN111161453A
CN111161453A CN202010006823.0A CN202010006823A CN111161453A CN 111161453 A CN111161453 A CN 111161453A CN 202010006823 A CN202010006823 A CN 202010006823A CN 111161453 A CN111161453 A CN 111161453A
Authority
CN
China
Prior art keywords
tower
door lock
wind turbine
turbine generator
personnel
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.)
Pending
Application number
CN202010006823.0A
Other languages
Chinese (zh)
Inventor
褚景春
袁凌
李扬
汪正军
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.)
Guodian United Power Technology Co Ltd
Original Assignee
Guodian United Power Technology 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 Guodian United Power Technology Co Ltd filed Critical Guodian United Power Technology Co Ltd
Priority to CN202010006823.0A priority Critical patent/CN111161453A/en
Publication of CN111161453A publication Critical patent/CN111161453A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00896Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Abstract

The invention provides an intelligent door lock control system and method for a tower of a wind turbine generator and the wind turbine generator. The system comprises: the proximity sensor is used for detecting whether a person approaches the tower drum door or not, and feeding back the person to the control unit when the person is detected to approach the tower drum door; the identity recognition unit is used for feeding back the received personnel identity information to the control unit; and the control unit is used for starting the identity recognition unit to acquire the identity information of the personnel after receiving the feedback of the proximity sensor, comparing the identity information of the personnel with the identity information of legal personnel in the background database after acquiring the identity information of the personnel, and controlling whether to open the door lock according to the comparison result. The intelligent door lock control system and method for the tower barrel of the wind turbine generator and the wind turbine generator solve the problems that irrelevant personnel mistakenly enter the tower barrel and forcibly break into the tower barrel, solve the problem that a key of a tower barrel door is forgotten to carry or the key is lost when a traditional mechanical lock is used, achieve the anti-theft function of the wind turbine generator, and ensure the operation safety of the wind turbine generator.

Description

Intelligent door lock control system and method for tower barrel of wind turbine generator and wind turbine generator
Technical Field
The invention relates to the technical field of wind power generation, in particular to an intelligent door lock control system and method for a tower of a wind turbine generator and the wind turbine generator.
Background
The wind generating set is generally installed in mountainous areas, forest areas and coastal areas, and the set is unattended during operation. At present, the traditional mechanical door lock is generally used for the tower cylinder door lock, and the traditional door lock has two obvious defects. The disadvantage is that the door lock state cannot be monitored in real time. Some lawbreakers may force tower door locks to be broken, theft of unit cables and electrical equipment for personal benefit. However, the slave monitoring system can only master the unit operation condition, and cannot monitor the unit equipment safety in real time. After cables and equipment of the unit are stolen, on one hand, lawless persons cannot be identified and caught in time, on the other hand, the unit cannot be recovered to operate as soon as possible, the operation of the unit is delayed, the power generation time of the unit is reduced, great property loss is caused, and electric shock casualty accidents are easy to happen. The second disadvantage is that a special key must be used to unlock the door lock. Because the installation site of the wind generating set is generally far away from the base, some sites drive for hours from the base to the machine position, and once the key is found to be lost or forgotten to carry, the operator has to return to the base to take the spare key. Not only wastes precious time of operators, but also influences the maintenance progress of the unit. Therefore, the intelligent problem of the door lock of the wind generating set is worthy of focusing.
Disclosure of Invention
The invention provides an intelligent door lock control system and method for a tower barrel of a wind turbine generator and the wind turbine generator, solves the problems that irrelevant personnel mistakenly enter the tower barrel and forcibly break into the tower barrel, also solves the problem that a traditional mechanical lock is forgotten to carry a tower barrel door key or lose the key, can realize the anti-theft function of the wind turbine generator, and ensures the running safety of the wind turbine generator.
In order to solve the technical problem, the invention provides an intelligent door lock control system of a tower cylinder of a wind turbine generator, which comprises: the proximity sensor is connected with the control unit of the intelligent door lock control system and used for detecting whether a person approaches the tower barrel door or not and feeding back the person to the control unit when the person approaches the tower barrel door; the identity recognition unit is connected with the control unit of the intelligent door lock control system and used for feeding back the received personnel identity information to the control unit; and the control unit is used for starting the identity recognition unit to acquire the identity information of the personnel after receiving the feedback of the proximity sensor, comparing the identity information of the personnel with the identity information of legal personnel in the background database after acquiring the identity information of the personnel, and controlling whether to open the door lock according to the comparison result.
In some embodiments, the person identity information comprises: any one of face identification information, fingerprint identification information, and authorization code identification information.
In some embodiments, further comprising: and the travel switch is connected with the control unit of the intelligent door lock control system and used for detecting the opening and closing state of the tower door and feeding back the current state of the door lock to the control unit.
In some embodiments, the control unit is further configured to detect an opening action of the travel switch in an unauthorized identity state, start a camera in the tower drum to record a whole process from entering the tower drum to leaving the tower drum, control the voice prompt unit to send an audible and visual alarm signal, and operate the main circuit breaker to power off.
In some embodiments, further comprising: the voice prompt unit is connected to the control unit and used for sending out voice prompt to verify the identity of the approaching person when the approaching sensor detects that the approaching person approaches; when the identity of the approaching person is unauthorized, the travel switch does not act, and the door lock is not damaged, prompting the approaching person to perform identity verification again; and when the identity is not authorized, but the travel switch acts or the door lock is damaged, an audible and visual alarm signal is sent out.
In some embodiments, further comprising: the camera shooting unit is arranged outside and in the tower barrel, is connected to the control unit and is used for shooting an operator when the identity is authorized; and recording the whole process from the entering of the operator to the leaving of the tower when the identity is not authorized but the travel switch acts or the door lock is damaged.
In some embodiments, further comprising: and the storage unit is connected to the control unit and used for storing related data, wherein the related data comprises personnel information, door entering and exiting time, entering times and image data.
In some embodiments, further comprising: and the communication unit is compatible with various communication interfaces, is connected to the control unit and is used for carrying out real-time communication with the main control system and the central control system.
In addition, the invention also provides an intelligent door lock control method for the tower of the wind turbine generator, which comprises the following steps: detecting whether a person approaches the tower door or not, and feeding back when the person approaches the tower door; after feedback that people approach the tower drum door is received, acquiring the identity information of the people approaching the tower drum door; feeding back the acquired personnel identity information of the approaching personnel; after the personnel identity information is acquired, comparing the personnel identity information with identity information of legal personnel in the background database, and controlling whether to open the door lock according to a comparison result.
In addition, the invention also provides a wind turbine generator, which comprises the intelligent door lock control system of the tower barrel of the wind turbine generator.
After adopting such design, the invention has at least the following advantages:
whether an operator approaches the tower barrel door or not and the opening/closing state of the tower barrel door can be detected, the identity of the operator entering the tower is verified through the identity verification unit, unauthorized irrelevant personnel are prohibited from entering the tower, the anti-theft function of the unit can be realized, and the operation safety of the unit is ensured.
The lock is intelligent lock, and after operating personnel accomplished authentication, needn't use mechanical type key can get into a tower section of thick bamboo, has stopped the key and has lost or forgotten the puzzlement that carries the cause.
When a lawbreaker illegally breaks into the tower theft equipment and the cable, the camera is automatically started to pick up the image of the tower theft equipment and the cable, and the alarm is given immediately, so that related personnel can be reminded to arrive at the site at the first time, the unit loss is reduced to the minimum, and strong evidence is provided for the public security organization to catch the lawbreaker according to law. Meanwhile, the main power supply of the unit is disconnected, and the human casualties caused by the fact that lawless persons can not understand the working principle of the unit and operate equipment randomly are avoided.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
FIG. 1 is a structural diagram of an intelligent door lock control system of a tower of a wind turbine generator provided by the invention;
FIG. 2 is a flowchart of an intelligent door lock control method for a tower of a wind turbine generator system provided by the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention relates to an intelligent door lock control system and method for a tower of a wind turbine generator system and the wind turbine generator system, which solve the problems that irrelevant personnel mistakenly enter the tower and forcibly break into the tower through a corresponding control strategy and also solve the problem that a traditional mechanical lock is forgotten to carry a tower door key or lose the key. The central control system can be managed uniformly, and the loss of unit equipment and personnel can be avoided or reduced when the unit is stolen.
Fig. 1 shows the structure of an intelligent door lock control system of a tower of a wind turbine. Referring to fig. 1, the hardware part of the intelligent door lock control system of the tower barrel of the wind turbine generator at least comprises nine parts, namely a sensor, a power supply unit, a communication unit, a storage unit, a control unit, a camera shooting unit, a voice prompt unit, an identity recognition unit and a door lock body. The functions of each part are as follows:
the sensor comprises a proximity sensor arranged inside the door lock and a travel switch arranged on the tower door. The proximity sensor is used for detecting whether an operator approaches the tower door or not, and when the operator approaches the tower door, the proximity sensor feeds back to the control unit to be analyzed by the control unit.
The travel switch is used for detecting whether the tower door is opened or not, and after the tower door is opened, the travel switch sends a signal to the control unit so that the control unit can make logic judgment and processing.
The input power supply of the power supply unit is from the tower bottom control cabinet, and is converted into different voltage levels to supply power to other units after being subjected to power electronic conversion in the power supply unit.
The communication unit is used for communicating with the master control system and the central control system in real time, and can transmit the contents of the user identification state, the tower door state, the storage data and the like of the intelligent door lock system to the master control system and the central control system through the switch.
The storage unit is used for storing relevant data including operator information, door entering and exiting time, entering times, relevant image data and the like.
The control unit is used as the core of the intelligent door lock system, obtains signal input from the sensor and other units, performs data processing according to self control logic and algorithm, and sends out control commands to control the opening and closing of the door lock, the operation of the identity recognition unit and the camera unit, the starting and stopping of the voice prompt unit and the like.
The start of the camera shooting unit and the voice prompt unit is controlled by the control unit and is used for recording the whole process from door entering to door exiting of an operator and transmitting image data to the storage unit. The voice prompt unit can be provided with various voices for prompting operators and scaring away lawbreakers.
The identity recognition unit is used for confirming the identity of the operator. If the operator who enters the tower drum is not authorized in advance, and the identity identification unit cannot confirm the identity information, the tower drum door is refused to be opened. If the identity recognition unit confirms the information of the operator who enters the tower drum, the control unit sends a control command to the door lock body, the tower drum door lock is opened, and the operator agrees to enter the tower drum.
FIG. 2 shows a flow of an intelligent door lock control method for a tower of a wind turbine. Referring to fig. 2, an operation flow of the intelligent door lock control method for the tower of the wind turbine generator is described below.
The proximity switch is integrated inside the intelligent door lock or installed near the door lock and used for detecting whether an operator approaches the tower door. Once having operating personnel to approach the tower door, can send feedback signal to the controller, the voice prompt unit is controlled to the control unit after data processing, and the door lock can send voice prompt operating personnel to verify the identity promptly.
The operator sends identity information to the controller through the identity recognition unit, the controller compares the received identity information with the identity information in the database, if the identity of the operator is authorized, the door lock is controlled to be opened, the camera in front of the tower drum door is started simultaneously, the operator is photographed, the personnel information and the entering time are recorded, and the personnel information and the entering time are stored in the storage unit and are managed and consulted by the central control system. If the identity of the operator is not authorized, the controller controls the voice prompt unit to prompt the operator to perform identity authentication again. If the identity is unauthorized, but a travel switch action or a door lock of the tower drum door is damaged, it is shown that a lawless person forcibly breaks into the tower drum, and the operation safety of the unit can be influenced, at the moment, the controller can start a camera in the tower drum to record the whole process that an operator enters the tower drum and leaves the tower drum, and control the voice prompt unit to send an audible and visual alarm signal, and can operate the main breaker to cut off the power supply, so that the personal safety of the operator is ensured.
The identity recognition unit comprises various modes such as face recognition, fingerprint recognition, authorization code recognition and the like.
The camera unit comprises a camera facing the outside of the tower drum door and a plurality of cameras installed inside the tower drum, and the opening and closing of the cameras are controlled by a controller.
The communication unit is compatible with various communication interfaces such as optical fibers, RS232, RS485, RS422, Ethernet, Bluetooth and the like. Can communicate with the main control system and the central control system of the unit through the exchanger.
The voice prompt unit can send out various prompt tones according to the control strategy of the controller. The content of the prompt tone can be changed according to actual needs.
The power supply unit is internally provided with a power supply protection function, so that multiple protection functions including overcurrent protection, overvoltage protection, undervoltage protection, overtemperature protection, ground fault protection, three-phase unbalance protection and the like can be realized, and the power utilization safety of the system is guaranteed.
The lock belt mechanical key socket, in case when the unit cuts off the power supply for a long time, the unable work of intelligence lock system, the tower section of thick bamboo door is opened to accessible mechanical key.
The invention has the advantages that:
the invention can be used as an independent control scheme, can detect whether an operator approaches the tower barrel door or not and can detect the opening/closing state of the tower barrel door, verifies the identity of the operator entering the tower through the identity verification unit, forbids unauthorized irrelevant personnel to enter, can realize the anti-theft function of the unit, and ensures the operation safety of the unit.
The door lock used by the invention is an intelligent door lock, and operators can enter the tower barrel without using a mechanical key after completing identity verification, thereby avoiding troubles caused by losing or forgetting to carry the key.
When a lawbreaker illegally breaks into the tower theft equipment and the cable, the camera is automatically started to pick up the image of the tower theft equipment and the cable, and the alarm is given immediately, so that related personnel can be reminded to arrive at the site at the first time, the unit loss is reduced to the minimum, and strong evidence is provided for the public security organization to catch the lawbreaker according to law. Meanwhile, the main power supply of the unit is disconnected, and the human casualties caused by the fact that lawless persons can not understand the working principle of the unit and operate equipment randomly are avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an intelligent lock control system of wind turbine generator system tower section of thick bamboo which characterized in that includes:
the proximity sensor is connected with the control unit of the intelligent door lock control system and used for detecting whether a person approaches the tower barrel door or not and feeding back the person to the control unit when the person approaches the tower barrel door;
the identity recognition unit is connected with the control unit of the intelligent door lock control system and used for feeding back the received personnel identity information to the control unit;
and the control unit is used for starting the identity recognition unit to acquire the identity information of the personnel after receiving the feedback of the proximity sensor, comparing the identity information of the personnel with the identity information of legal personnel in the background database after acquiring the identity information of the personnel, and controlling whether to open the door lock according to the comparison result.
2. The intelligent door lock control system for the tower of the wind turbine generator as claimed in claim 1, wherein the personnel identity information comprises: any one of face identification information, fingerprint identification information, and authorization code identification information.
3. The intelligent door lock control system for the tower of the wind turbine generator set according to claim 1, further comprising:
and the travel switch is connected with the control unit of the intelligent door lock control system and used for detecting the opening and closing state of the tower door and feeding back the current state of the door lock to the control unit.
4. The intelligent door lock control system for the tower of the wind turbine generator system according to claim 3, wherein the control unit is further configured to detect an opening action of the travel switch in an unauthorized identity state, start a camera device in the tower to record the whole process from entering the tower to leaving the tower, send an audible and visual alarm signal, and operate the main circuit breaker to power off.
5. The intelligent door lock control system for the tower of the wind turbine generator as claimed in claim 3, further comprising:
the voice prompt unit is connected to the control unit and used for sending out voice prompt to verify the identity of the approaching person when the approaching sensor detects that the approaching person approaches;
when the identity of the approaching person is unauthorized, the travel switch does not act, and the door lock is not damaged, prompting the approaching person to perform identity verification again; and
when the identity is not authorized, but the travel switch acts or the door lock is damaged, an audible and visual alarm signal is sent out.
6. The intelligent door lock control system for the tower of the wind turbine generator as claimed in claim 3, further comprising:
the camera shooting unit is arranged outside and in the tower barrel, is connected to the control unit and is used for shooting an operator when the identity is authorized; and
when the identity is not authorized, but the travel switch acts or the door lock is damaged, the whole process from entering the tower to leaving the tower of the operator is recorded.
7. The intelligent door lock control system for the tower of the wind turbine generator set according to claim 1, further comprising:
and the storage unit is connected to the control unit and used for storing related data, wherein the related data comprises personnel information, door entering and exiting time, entering times and image data.
8. The intelligent door lock control system for the tower of the wind turbine generator set according to claim 1, further comprising:
and the communication unit is compatible with various communication interfaces, is connected to the control unit and is used for carrying out real-time communication with the main control system and the central control system.
9. The intelligent door lock control method for the tower barrel of the wind turbine generator is characterized by comprising the following steps of:
detecting whether a person approaches the tower door or not, and feeding back when the person approaches the tower door;
after feedback that people approach the tower drum door is received, acquiring the identity information of the people approaching the tower drum door;
feeding back the acquired personnel identity information of the approaching personnel;
after the personnel identity information is acquired, comparing the personnel identity information with identity information of legal personnel in the background database, and controlling whether to open the door lock according to a comparison result.
10. A wind turbine, comprising:
the intelligent door lock control system for the tower of the wind turbine generator set according to any one of claims 1 to 8.
CN202010006823.0A 2020-01-03 2020-01-03 Intelligent door lock control system and method for tower barrel of wind turbine generator and wind turbine generator Pending CN111161453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010006823.0A CN111161453A (en) 2020-01-03 2020-01-03 Intelligent door lock control system and method for tower barrel of wind turbine generator and wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010006823.0A CN111161453A (en) 2020-01-03 2020-01-03 Intelligent door lock control system and method for tower barrel of wind turbine generator and wind turbine generator

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Publication Number Publication Date
CN111161453A true CN111161453A (en) 2020-05-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113250534A (en) * 2021-05-26 2021-08-13 珠海格力精密模具有限公司 Control device and control method for safety door lock of automatic production line
CN113542255A (en) * 2021-07-12 2021-10-22 上海电气风电集团股份有限公司 Identity authentication-based wind power plant information safety system and maintenance method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104008590A (en) * 2014-06-12 2014-08-27 深圳市智能帮科技有限公司 Intelligent access control and intelligent housing system
CN105756440A (en) * 2016-04-22 2016-07-13 邱庆霖 Electronic lock opening device and method
CN207679144U (en) * 2017-06-06 2018-08-03 湖南鑫垒科技有限公司 A kind of portable recognition of face rifle case
CN109064585A (en) * 2018-06-14 2018-12-21 东莞市迪文数字技术有限公司 A kind of smart lock
CN208488784U (en) * 2018-07-06 2019-02-12 北京驭光科技发展有限公司 It enters control system
KR20190045501A (en) * 2017-10-24 2019-05-03 한밭대학교 산학협력단 Gate automatic authentication system and method using smart phone and parabolar antenna
CN110174538A (en) * 2019-06-06 2019-08-27 国网青海省电力公司海东供电公司 A kind of image collection type anti-electricity-theft electric energy meter case

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104008590A (en) * 2014-06-12 2014-08-27 深圳市智能帮科技有限公司 Intelligent access control and intelligent housing system
CN105756440A (en) * 2016-04-22 2016-07-13 邱庆霖 Electronic lock opening device and method
CN207679144U (en) * 2017-06-06 2018-08-03 湖南鑫垒科技有限公司 A kind of portable recognition of face rifle case
KR20190045501A (en) * 2017-10-24 2019-05-03 한밭대학교 산학협력단 Gate automatic authentication system and method using smart phone and parabolar antenna
CN109064585A (en) * 2018-06-14 2018-12-21 东莞市迪文数字技术有限公司 A kind of smart lock
CN208488784U (en) * 2018-07-06 2019-02-12 北京驭光科技发展有限公司 It enters control system
CN110174538A (en) * 2019-06-06 2019-08-27 国网青海省电力公司海东供电公司 A kind of image collection type anti-electricity-theft electric energy meter case

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113250534A (en) * 2021-05-26 2021-08-13 珠海格力精密模具有限公司 Control device and control method for safety door lock of automatic production line
CN113250534B (en) * 2021-05-26 2022-04-22 珠海格力精密模具有限公司 Control device and control method for safety door lock of automatic production line
CN113542255A (en) * 2021-07-12 2021-10-22 上海电气风电集团股份有限公司 Identity authentication-based wind power plant information safety system and maintenance method

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