CN109356454A - Intelligent key - Google Patents

Intelligent key Download PDF

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Publication number
CN109356454A
CN109356454A CN201811331931.4A CN201811331931A CN109356454A CN 109356454 A CN109356454 A CN 109356454A CN 201811331931 A CN201811331931 A CN 201811331931A CN 109356454 A CN109356454 A CN 109356454A
Authority
CN
China
Prior art keywords
intelligent key
power supply
supply module
microprocessor
electrically connected
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
CN201811331931.4A
Other languages
Chinese (zh)
Inventor
何明
赵欢
张斌
李思尧
杨健
喻召杰
田松林
谢路
李锐
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.)
Shenzhen Power Supply Bureau Co Ltd
Original Assignee
Shenzhen Power Supply Bureau 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 Shenzhen Power Supply Bureau Co Ltd filed Critical Shenzhen Power Supply Bureau Co Ltd
Priority to CN201811331931.4A priority Critical patent/CN109356454A/en
Publication of CN109356454A publication Critical patent/CN109356454A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/10Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
    • E05B17/103Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights on keys
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • 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
    • G07C9/00309Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827Portable transceivers

Abstract

This application involves a kind of Intelligent key.The Intelligent key includes power supply module, microprocessor, narrowband Internet of Things mould group, communications module and positioning module.The microprocessor is electrically connected with the power supply module.The narrowband Internet of Things mould group, the communications module and the positioning module are electrically connected with the power supply module, are connect with the microprocessor communication.The Intelligent key provided by the present application greatly reduces power consumption, and can be realized the real-time positioning to the Intelligent key.

Description

Intelligent key
Technical field
This application involves gate inhibition's technical fields, more particularly to a kind of Intelligent key.
Background technique
With the development of science and social progress, has gradually there are the various aspects of people's production, life in Intelligent key. By taking electric system as an example: the power distribution room entrance guard management of conventional electric power system is that the security management and control of door lock is realized by common key. However, common key security performance is low, it is easy duplication, cannot achieve and determine human rights limit control.Therefore, power distribution room common key Gradually replaced by Intelligent key.
Intelligent key is mainly based upon the communication of the communication technologys such as LTE, CDMA at present, there is a problem of that energy consumption is high, Wu Faman The demand of the sufficient daily O&M of power grid.
Summary of the invention
Based on this, it is necessary to for the high problem of energy consumption, provide a kind of Intelligent key.
A kind of Intelligent key, comprising:
Power supply module;
Microprocessor is electrically connected with the power supply module;
Narrowband Internet of Things mould group, is electrically connected with the power supply module, connect with the microprocessor communication;
Communications module is electrically connected with the power supply module, is connect with the microprocessor communication;
Positioning module is electrically connected with the power supply module, is connect with the microprocessor communication, for positioning.
The communications module is Bluetooth communication mould group in one of the embodiments,.
The Intelligent key in one of the embodiments, further include:
First control assembly is electrically connected with the power supply module, is connect with the microprocessor communication, described for controlling The state of narrowband Internet of Things mould group.
The Intelligent key in one of the embodiments, further include:
Second control assembly is electrically connected with the power supply module, is connect with the microprocessor communication, described for controlling The state of communications module.
The Intelligent key in one of the embodiments, further include:
Subscriber identification card is set to the narrowband Internet of Things mould group.
The Intelligent key in one of the embodiments, further include:
Alarm assemblies are electrically connected with the power supply module, are connect with the microprocessor communication, for alarming.
The Intelligent key in one of the embodiments, further include:
Status indicator lamp is electrically connected with power supply module, is connect with the microprocessor communication, is used to indicate state.
The Intelligent key in one of the embodiments, further include:
Light fixture is electrically connected with power supply module, for illuminating.
The power supply module is rechargeable battery in one of the embodiments,.
The Intelligent key in one of the embodiments, further include:
Electrification component is electrically connected with the power supply module, for charging to the power supply module.
The Intelligent key provided by the embodiments of the present application includes power supply module, microprocessor, narrowband Internet of Things mould group, leads to Believe mould group and positioning module.The communication of the Intelligent key Yu the background system is realized by the narrowband Internet of Things mould group, Power consumption is greatly reduced, the stand-by time of the Intelligent key is improved.Meanwhile by the positioning module, can be realized to institute State the real-time positioning of Intelligent key.When unlocking, the background system can learn unlocking place, so as to realize dual lock The monitoring in region, convenient for analyzing power grid O&M situation.
Detailed description of the invention
Fig. 1 is the Intelligent key application scenarios schematic diagram that the application one embodiment provides;
Fig. 2 is the intelligent key structure schematic diagram that the application one embodiment provides;
Fig. 3 is the intelligent key structure schematic diagram that the application one embodiment provides.
Description of symbols:
Intelligent key 10
Smart lock 20
Terminal 30
Background system 40
Power supply module 100
Microprocessor 200
Narrowband Internet of Things mould group 300
Subscriber identification card 301
Communications module 400
Positioning module 500
First control assembly 600
Second control assembly 700
Alarm assemblies 800
Status indicator lamp 900
Light fixture 920
Electrification component 940
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, by the following examples, and combine attached Figure, is further elaborated the application.It should be appreciated that specific embodiment described herein is only to explain this Shen Please, it is not used to limit the application.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object, Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and It is indirectly connected with (connection).In the description of the present application, it is to be understood that term " on ", "lower", "front", "rear", " left side ", The orientation of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " or position are closed System indicates to be based on the orientation or positional relationship shown in the drawings, being merely for convenience of description the application and simplifying description Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the application.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Referring to Figure 1, Intelligent key 10 provided by the embodiments of the present application is matched with smart lock 20, terminal 30 and background system 40 It closes and completes entrance guard management.The Intelligent key 10 can open the smart lock 20.The terminal 30 can be mobile phone, IPAD, Electronic watch etc..The terminal 30 includes that can control the application program of the Intelligent key 10.The background system 40 can Think computer or other management systems.The Intelligent key 10 and the smart lock 20 engaged therewith can be applied to each The entrance guard management of industry, such as: in electric system, the Intelligent key 10 and the smart lock 20 can be applied to power distribution room Safety management.The smart lock 20, corresponding one of each smart lock 20 intelligent key are installed in each power distribution room door Spoon 10.By Intelligent key 10 described in the terminal control, complete to unlock the smart lock 20.It can by the background system 40 To complete the management to the Intelligent key 10.Below by taking the Intelligent key 10 is applied to power distribution room entrance guard management as an example, knot Specific embodiment is closed the Intelligent key 10 is described in detail.
Please also refer to Fig. 2, the application one embodiment provides a kind of Intelligent key 10 comprising power supply module 100, micro- Processor 200, narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) mould group 300, communications module 400 and positioning module 500.The microprocessor 200, the narrowband Internet of Things mould group 300, the communications module 400 and described Positioning module 500 is directly or indirectly electrically connected with the power supply module 100.The power supply module 100 is the microprocessor 200, the narrowband Internet of Things mould group 300, the communications module 400 and the positioning module 500 provide power supply.The protenchyma Mould group 300 of networking and the communications module 400 and the positioning module 500 are communicated to connect with the microprocessor 200.
The microprocessor 200 can include but is not limited to single-chip microcontroller.The microprocessor 200 is capable of handling and transmits institute State the data of terminal 30 and the transmission of the background system 40.
The narrowband Internet of Things mould group 300 is implemented in cellular network, supports low power consuming devices in the cellular data of wide area network Connection.Narrowband Internet of Things is also referred to as low-power consumption wide area network (LPWAN).The narrowband Internet of Things mould group 300 supports stand-by time Long, stand-by power consumption low (up to 5uA), the efficient connection to the higher equipment of network connectivity requirements.Meanwhile the narrowband Internet of Things Mould group 300 can also provide very comprehensive indoor cellular data connection covering.The narrowband Internet of Things in the Intelligent key 10 Net mould group 300 is for realizing the wireless communication with the plateform system 40.The narrowband Internet of Things mould group 300 can utilize narrowband The Internet of Things communication technology transmits the authorization message of the smart lock 20 to the background system 40, and can upload in real time described Intelligent key 10 is to the unlocking of the smart lock 20 as a result, and uncaging time etc..The narrowband Internet of Things mould group 300 with it is described Microprocessor 200 communicates to connect, and is transmitted with the data realized between the microprocessor 200.
The communications module 400 for realizing the Intelligent key 10 and the terminal 30 wireless communication.The communication Mould group 400 can be Bluetooth communication mould group, be also possible to infrared communication mould group, can also be other radio communication mold groups.? In one embodiment, the communications module 400 is Bluetooth communication mould group.The Bluetooth communication mould group can be based on bluetooth 4.0 The communications module of technology, it is low in energy consumption.The data of the application program of the terminal 30 can be sent by the communications module 400 The extremely Intelligent key 10, and handled by the microprocessor 200.
The positioning module 500 can be to be based on but be not limited to GPS (to determine in the whole world Positioning System Global Position system) positioning module.The positioning module 500 is for positioning the current location of the Intelligent key 10.It is described Positioning module 500 and the microprocessor 200 communicate to connect, and location information can be sent to the microprocessor 200.It is described The location information is sent to the background system 40 by the narrowband Internet of Things mould group 300 by microprocessor 200.
It is appreciated that the Intelligent key 10 can also include storage mould group, to realize data storage function.
The address key ID is provided in the Intelligent key 10.The lock address ID is also equipped in the smart lock.The intelligence The course of work of energy key 10 is as follows:
The Intelligent key 10 is inserted into the smart lock 20.By the application program of the terminal 30, the intelligence is set The licencing key of key 10, and unlocking instruction is sent to the Intelligent key 10 by the communications module 400.The intelligence key Spoon 10 receives the unlocking instruction and is transmitted to the microprocessor 200.The microprocessor 200 refers to according to the unlocking It enables, the address the key ID of the Intelligent key and the address the lock ID of the smart lock is compared.When satisfaction is opened When bolt part, the Intelligent key 10 sends order of unlocking to the smart lock 20, and the driving of smart lock 20 is unlocked.Meanwhile The Intelligent key 10 is by the narrowband Internet of Things mould group 300 by the unlocking result of the Intelligent key 10, unlocking log etc. Information is uploaded to the background system 40.Wherein, the unlocking result refers to that failure is opened successfully or opened to the smart lock 20. The unlocking log includes the address the key ID, the address lock ID, uncaging time, unlocking place and unlocking authority etc..Institute Unlocking place is stated to learn by the positioning module 500 acquisition.
The address the key ID and key that the different Intelligent key 10 are previously stored in the background system 40 are protected Corresponding relationship between pipe person and power distribution room, therefore, the background system 40 can based on the received the address the key ID it is true The mark of the fixed staff to unlock to power distribution room realizes that the fixed point of power distribution room is fixed to know the object of action of unlocking Human rights limit control.The background system 40 can analyze the unlocking log, after obtaining unlocking log to know The region of the more frequent power distribution room of certain time period drawback lock and the power distribution room, thus pay close attention to the power distribution room and The electricity consumption and power grid O&M situation in region.
In the present embodiment, the Intelligent key 10 includes power supply module 100, microprocessor 200, narrowband Internet of Things mould group 300, communications module 400 and positioning module 500.The Intelligent key 10 and institute are realized by the narrowband Internet of Things mould group 300 The communication for stating background system 40, greatly reduces power consumption, improves the stand-by time of the Intelligent key 10.Meanwhile by described Positioning module 500 can be realized the real-time positioning to the Intelligent key 10.When unlocking, the background system 40 can be obtained Unlocking place is known, so as to realize the monitoring in dual lock region, convenient for analyzing power grid O&M situation.
Fig. 3 is referred to, in one embodiment, the Intelligent key 10 further includes the first control assembly 600.Described first Control assembly 600 is electrically connected with the power supply module 100.First control assembly 600 and 200 communication link of microprocessor It connects.First control assembly 600 may include first control circuit and the first control button.First control button and institute State first control circuit electrical connection.The first control circuit is electrically connected with the microprocessor 200.First control assembly 600 for controlling the state of the narrowband Internet of Things mould group 300, and the state of the narrowband Internet of Things mould group 300 includes but unlimited In unlatching, closing etc..When needing to communicate between the Intelligent key 10 and the background system 40, operator can pass through First control button triggers the first control circuit.The first control circuit is sent to the microprocessor 200 to be believed Number.The microprocessor 200 receives trigger signal, and triggers and wake up the narrowband Internet of Things mould group 300.The narrowband Internet of Things After mould group 300 receives trigger signal, triggering narrowband internet of things carries out information transmission.In the present embodiment, pass through described first Control assembly 600, which is realized, controls the state of the narrowband Internet of Things mould group 300, improves the intelligence of the Intelligent key 10 And flexibility.
In one embodiment, the Intelligent key 10 further includes the second control assembly 700.Second control assembly 700 are electrically connected with the power supply module 100.Second control assembly 700 is communicated to connect with the microprocessor 200.It is described Second control assembly 700 may include second control circuit and the second control button.Second control button and described second Control circuit electrical connection.The second control circuit is electrically connected with the microprocessor 200.Second control assembly 700 is used In the state for controlling the communications module 400, the state of the communications module 400 includes but is not limited to open, close etc..Work as institute It states when needing to communicate between Intelligent key 10 and the terminal 30, operator can pass through second control button and trigger institute State second control circuit.The second control circuit sends signal to the microprocessor 200.The microprocessor 200 receives Trigger signal, and trigger and wake up the communications module 400.After the communications module 400 receives trigger signal, communication network is triggered Network carries out information transmission.In the present embodiment, the state to the communications module 400 is realized by second control assembly 700 Control, further improves the intelligence and flexibility of the Intelligent key 10.
In one embodiment, the Intelligent key 10 further includes subscriber identification card (Subscriber Identification Module, SIM card) 301.The subscriber identification card 301 is set to the narrowband Internet of Things mould group 300.The subscriber identification card 301 is used to identify the identity of the Intelligent key, so that the narrowband internet of things energy Enough identification.The subscriber identification card 301 includes unique serial number, the serial number and the intelligence of the subscriber identification card 301 It is corresponding that 20 can be locked.One smart lock 20 binds an Intelligent key 10, can also correspond to the multiple intelligence of binding Key 10.When the smart lock 20 binds multiple Intelligent key 10, the storage of smart lock 20 includes multiple bodies The list of part identification card serial number, and the information such as licencing key, unlocking instruction, authorization time for storing the Intelligent key, with reality The unlock to the smart lock 20 may be implemented in existing multiple Intelligent key 10.In the present embodiment, pass through user's body Part identification card 301 realizes the unique identification of the Intelligent key 10, facilitates identification and management.
In one embodiment, the Intelligent key 10 further includes alarm assemblies 800.The alarm assemblies 800 with it is described Power supply module 100 is electrically connected, and is that the alarm assemblies 800 provide power supply by the power supply module 100.The alarm assemblies 800 It is communicated to connect with the microprocessor 200.The microprocessor 200 can send to the alarm assemblies 800 and instruct, and control institute State the alarm of alarm assemblies 800.The alarm assemblies 800 can include but is not limited to buzzer.The alarm assemblies 800 are used for The Intelligent key 10 is alarmed in abnormal cases.For example, when the Intelligent key 10 unlocking failure or the Intelligent key 10 When electricity is low, the alarm assemblies 800 are alarmed.In the present embodiment, the intelligence is further improved by the alarm assemblies 800 The intelligence and safety of energy key 10.
In one embodiment, the Intelligent key 10 further includes status indicator lamp 900.The status indicator lamp 900 with The power supply module 100 is electrically connected.The power supply module 100 is that the status indicator lamp 900 provides power supply.The state instruction Lamp 900 and the microprocessor 200 communicate to connect.The status indicator lamp 900 can be LED light.The status indicator lamp 900 Quantity, model etc. without limitation.The status indicator lamp 900 is used to indicate the work shape of each component of the Intelligent key 10 State.Such as: when the status indicator lamp 900 be green and be always on, indicate that the protenchyma networking components 300 are networked normally.When The status indicator lamp 900 is red and is always on, and indicates that 300 data transmit-receive of protenchyma networking components is abnormal.When the shape State indicator light 900 is blue and flashes, and indicates that the communications module 400 is being searched for and connected.When the status indicator lamp 900 be blue, extinguishes after flashing, indicates 400 successful connection of communications module.When the status indicator lamp 900 be yellow, And be always on, indicate 100 low battery of power supply module.
In the present embodiment, each of the Intelligent key 10 intuitively can effectively be shown by the status indicator lamp 900 The working condition of a component further improves the intelligence of the Intelligent key 10.
In one embodiment, the Intelligent key 10 further includes light fixture 920.The light fixture 920 with it is described Power supply module 100 is electrically connected.The light fixture 920 is for illuminating.The light fixture 920 may include being electrically connected to each other Lighting circuit, light switch and headlamp.It, can be by beating when using the Intelligent key 10 in the environment of dark It opens the light fixture 920 to be illuminated, worker is facilitated to operate.
In one embodiment, the power supply module 100 is rechargeable battery.The power supply module 100 can be lithium electricity Pond or other batteries.The rechargeable battery can be charged and be stored by extraneous power supply, for the Intelligent key 10 other component uses.The power supply module 100 is that rechargeable battery makes the Intelligent key 10 facilitate charging, and avoids Use dry cell, energy conservation and environmental protection.
The Intelligent key 10 further includes electrification component 940.The electrification component 940 is electrically connected with the power supply module 100 It connects.The electrification component 100 is used to charge to the power supply module 100.The electrification component 100 is referred to other forms Energy be converted to the component of electric energy.The electrification component 940 charges after generating electricity to the rechargeable battery.The chargeable electricity Pond storage electric energy simultaneously provides power to other assemblies.Specific structure the application of the electrification component 940 without limitation, can be with It selects according to actual needs.In the present embodiment, the self power generation of the Intelligent key 10, energy are realized by the electrification component 940 It is enough to charge at any time, so that Intelligent key charging is simply, conveniently.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (10)

1. a kind of Intelligent key characterized by comprising
Power supply module (100);
Microprocessor (200) is electrically connected with the power supply module (100);
Narrowband Internet of Things mould group (300) is electrically connected with the power supply module (100), with the microprocessor (200) communication link It connects;
Communications module (400) is electrically connected with the power supply module (100), is communicated to connect with the microprocessor (200);
Positioning module (500) is electrically connected with the power supply module (100), is communicated to connect, is used for the microprocessor (200) Positioning.
2. Intelligent key according to claim 1, which is characterized in that the communications module (400) is Bluetooth communication mould group.
3. Intelligent key according to claim 1, which is characterized in that further include:
First control assembly (600) is electrically connected with the power supply module (100), is communicated to connect with the microprocessor (200), For controlling the state of the narrowband Internet of Things mould group (300).
4. Intelligent key according to claim 1, which is characterized in that further include:
Second control assembly (700) is electrically connected with the power supply module (100), is communicated to connect with the microprocessor (200), For controlling the state of the communications module (400).
5. Intelligent key according to claim 1, which is characterized in that further include:
Subscriber identification card (301) is set to the narrowband Internet of Things mould group (300).
6. Intelligent key according to claim 1, which is characterized in that further include:
Alarm assemblies (800) are electrically connected with the power supply module (100), are communicated to connect, are used for the microprocessor (200) Alarm.
7. Intelligent key according to claim 1, which is characterized in that further include:
Status indicator lamp (900) is electrically connected with power supply module (100), is communicated to connect with the microprocessor (200), for referring to Show state.
8. Intelligent key according to claim 1, which is characterized in that further include:
Light fixture (920) is electrically connected, for illuminating with power supply module (100).
9. Intelligent key according to claim 1, which is characterized in that the power supply module (100) is rechargeable battery.
10. Intelligent key according to claim 9, which is characterized in that further include:
Electrification component (940) is electrically connected with the power supply module (100), for charging to the power supply module (100).
CN201811331931.4A 2018-11-09 2018-11-09 Intelligent key Pending CN109356454A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN111877870A (en) * 2020-07-20 2020-11-03 中国联合网络通信集团有限公司 Lock cylinder, key and unlocking method for lock
CN113006601A (en) * 2021-03-08 2021-06-22 杭州浙程科技有限公司 Intelligent key based on NB-IoT

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CN207718466U (en) * 2018-01-25 2018-08-10 河北烽联信息技术有限公司 A kind of intelligent cloud control lock based on NB-Iot communications
CN209398037U (en) * 2018-11-09 2019-09-17 深圳供电局有限公司 Intelligent key

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CN106910260A (en) * 2017-04-14 2017-06-30 易微行(北京)科技有限公司 A kind of automobile key
CN206851042U (en) * 2017-06-21 2018-01-05 福建强闽信息科技有限公司 A kind of Portable narrow band Internet of Things signal sniff instrument
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877870A (en) * 2020-07-20 2020-11-03 中国联合网络通信集团有限公司 Lock cylinder, key and unlocking method for lock
CN113006601A (en) * 2021-03-08 2021-06-22 杭州浙程科技有限公司 Intelligent key based on NB-IoT

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