CN205541204U - Intelligence door magnetism and intelligent security system based on thing networking - Google Patents
Intelligence door magnetism and intelligent security system based on thing networking Download PDFInfo
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- CN205541204U CN205541204U CN201620106385.4U CN201620106385U CN205541204U CN 205541204 U CN205541204 U CN 205541204U CN 201620106385 U CN201620106385 U CN 201620106385U CN 205541204 U CN205541204 U CN 205541204U
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Abstract
The utility model discloses an intelligence door magnetism and intelligent security system based on thing networking, including corresponding door magnetism main part and the magnet establish on door frame and door leaf respectively, response detecting element, alarm unit, power supply unit and zigbee communication unit that a magnetism main part includes the control unit, is connected with the control unit, zigbee communication unit and antenna connection, based on the intelligent security system of thing networking, including control terminal and a plurality of foretell intelligence door magnetism, control terminal includes control module to reach zigbee communication module, the touch -sensitive screen be connected with control module. Through implementing the utility model discloses reach following beneficial effect: by zigbee communication unit realization automatic network organizing, need not to rely on wireless router, control terminal realizes that safety is stabilized more to the network to the control of intelligence door magnetism, send control terminal with the real -time status of intelligence door magnetism through the control unit, control terminal also can carry out the parameter setting to intelligence door magnetism.
Description
Technical field
This utility model relates to Smart Home field, more particularly, it relates to a kind of Intelligent door magnetic based on Internet of Things and intelligent safety and defence system.
Background technology
Along with the development of Internet of Things industry, the concept of Smart Home is the most gradually rooted in the hearts of the people, and people also grow with each passing day for the intelligent requirements of Smart Home simultaneously.Intelligent door magnetic is as the important means of security protection, become the major part of Smart Home, Intelligent door magnetic function in the market is the most perfect, needing and mobile communication equipment communication, rely on the wireless WIFI router of family, once router does not works or WIFI signal is bad, mobile communication equipment is with regard to uncontrollable Intelligent door magnetic, and the safety of WIFI network is inadequate, username and password is easy to usurp, and makes the leaking data of intelligent home device.
A kind of do not affected by WIFI signal, Intelligent door magnetic based on Internet of Things of guarantee safety simultaneously and intelligent safety and defence system is lacked in prior art.
Utility model content
The technical problems to be solved in the utility model is, the drawbacks described above lacked for prior art, it is provided that a kind of can be with automatic network-building the Intelligent door magnetic based on Internet of Things ensureing internet security and intelligent safety and defence system.
This utility model solves its technical problem and be the technical scheme is that a kind of Intelligent door magnetic based on Internet of Things of structure, including the door magnetic main body being correspondingly arranged at respectively on doorframe and door leaf and magnet, described door magnetic main body includes sensing detector unit, alarm unit and the power supply unit that control unit is connected with described control unit, described door magnetic main body also includes the Zigbee communication unit being connected with described control unit, and the antenna being connected with described Zigbee communication unit；
Described sensing detector unit, is used for detecting that described magnet and described door magnetic main body once separate or close, sends a signal to described control unit；
Described alarm unit, for being sent alarm signal by the control of described control unit；
Described Zigbee communication unit, for setting up Zigbee network by described antenna and PCT, so that described control unit realizes communicating with described PCT；
Described control unit, for receiving the signal that described sensing detector unit sends, control described alarm unit and send alarm signal, realize communicating with described PCT by described Zigbee communication unit, making described PCT read related data or send alarm signal, user sends control signal by operation PCT to described control unit.
Intelligent door magnetic based on Internet of Things of the present utility model, described control unit and described Zigbee communication unit be integrated on the processor of same band Zigbee function, described processor be the model of Texas Instrument be the processor of CC25XX series.
Intelligent door magnetic based on Internet of Things of the present utility model, described sensing detector unit is the Hall switch circuit of at least one, and described Hall switch circuit includes a Hall switch.
Intelligent door magnetic based on Internet of Things of the present utility model, described Intelligent door magnetic based on Internet of Things also includes authentication unit, and described authentication unit adds Zigbee network after described Intelligent door magnetic is verified by described PCT.
Intelligent door magnetic based on Internet of Things of the present utility model, described authentication unit is the NFC label the most corresponding with described control unit.
Intelligent door magnetic based on Internet of Things of the present utility model, said supply unit includes lithium battery circuit, described lithium battery circuit includes charging chip, power conversion chip and lithium battery, described charging chip connects with described lithium battery, described power conversion chip respectively, described lithium battery and described power conversion chip connect, described power conversion chip is connected to each unit, powers for each unit, and described charging chip connects USB interface.
Also constructing a kind of intelligent safety and defence system based on Internet of Things, including controlling terminal and multiple above-mentioned Intelligent door magnetic based on Internet of Things, described control terminal includes control module, and be connected with described control module Zigbee communication module, touch screen；
Described Zigbee communication module, realizes networking for the Zigbee communication unit communication with described Intelligent door magnetic based on Internet of Things；
Described control terminal, for being respectively controlled all described Intelligent door magnetic based on Internet of Things in Zigbee network after networking；
Described touch screen, is used for display real-time status and the touch control respectively to each described Intelligent door magnetic based on Internet of Things.
Intelligent safety and defence system based on Internet of Things of the present utility model, also includes the WIFI communication module being connected with described control module, and described WIFI communication module is used for and communication of mobile terminal, the APP software of described mobile terminal operate described control terminal.
Intelligent safety and defence system based on Internet of Things of the present utility model, described control terminal also includes the authentication module being connected with described control module, described Intelligent door magnetic based on Internet of Things also includes authentication unit, described Intelligent door magnetic is added Zigbee network by described authentication module described control terminal after verify described authentication unit, being verified.
Intelligent safety and defence system based on Internet of Things of the present utility model, described authentication unit is the NFC label the most corresponding with described control unit, described authentication module is NFC module, described NFC label is with the checking ID of described Intelligent door magnetic based on Internet of Things, described authentication module scans described NFC label and recorded in white list by described checking ID, when described control terminal carries out Zigbee networking, the described checking ID that the Zigbee communication unit of described Intelligent door magnetic based on Internet of Things sends is received by described Zigbee communication module, described control module judges that this checking ID is then verified in described white list, this Intelligent door magnetic based on Internet of Things is entered in Zigbee network.Intelligent door magnetic based on Internet of Things of the present utility model and intelligent safety and defence system, door magnetic main body includes sensing detector unit, alarm unit and the power supply unit that control unit is connected with control unit, also include the Zigbee communication unit being connected with control unit, and the antenna being connected with Zigbee communication unit；Intelligence control system based on Internet of Things, including controlling terminal and multiple above-mentioned Intelligent door magnetic, controls terminal and includes control module, and be connected with control module Zigbee communication module, touch screen.By implementing Intelligent door magnetic based on Internet of Things of the present utility model and intelligence control system, reach following beneficial effect: realized automatic network-building by Zigbee communication unit, without relying on wireless router, controlling terminal and realize the control to Intelligent door magnetic, network more stablizes safety；Being sent to control terminal by the real-time status of Intelligent door magnetic by control unit, user can clearly grasp the state of Intelligent door magnetic, and user can also carry out parameter setting by controlling terminal to Intelligent door magnetic.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of Intelligent door magnetic based on Internet of Things of the present utility model；
Fig. 2 is the schematic diagram of the preferred embodiment of Fig. 1；
Fig. 3 is the circuit theory diagrams of the Hall switch circuit of the preferred embodiment of Fig. 1；
Fig. 4 is the circuit theory diagrams of the lithium battery circuit of the preferred embodiment of Fig. 1；
Fig. 5 is the circuit theory diagrams of the processor of the preferred embodiment of Fig. 1；
Fig. 6 is the schematic diagram of the another preferred embodiment of Intelligent door magnetic based on Internet of Things of the present utility model；
Fig. 7 is the schematic diagram of the preferred embodiment of intelligent safety and defence system based on Internet of Things of the present utility model；
Fig. 8 is the schematic diagram of another embodiment of intelligent safety and defence system based on Internet of Things of the present utility model；
Fig. 9 is the checking flow chart of the preferred embodiment of Fig. 8.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by detailed description of the invention.
With reference to Fig. 1, for the schematic diagram of Intelligent door magnetic based on Internet of Things of the present utility model, including the door magnetic main body being correspondingly arranged at respectively on doorframe and door leaf and magnet, it is generally that door magnetic main body is arranged on door leaf, magnet is arranged on doorframe, and vice versa certainly.Door magnetic main body includes sensing detector unit, alarm unit, Zigbee communication unit and the power supply unit that control unit is connected, and the antenna being connected with Zigbee communication unit with control unit.
Sensing detector unit is used for detecting that magnet and door magnetic main body once separate, and sends a signal to control unit, or detects that magnet and door magnetic main body once close, sends a signal to control unit.
Alarm unit controls for controlled unit, and when magnet and door magnetic main body once separate, control unit controls alarm unit and sends alarm signal.
Zigbee communication unit, for being communicated by realization between antenna with PCT, sets up Zigbee network.When magnet and door magnetic main body once separate, and control unit sends signal by Zigbee communication unit to PCT, and PCT sends alarm signal；Control unit sends, to PCT, the state that magnet separates with door magnetic main body or closes also by Zigbee communication unit, for the real-time reading of PCT.
Power supply unit is powered for respectively unit.
The operation principle of Intelligent door magnetic based on Internet of Things of the present utility model is as follows:
Sensing detector unit senses that magnet and door magnetic main body once separate or close, and sends a signal to control unit；After control unit receives the signal that magnet separates with door magnetic main body, controlling alarm unit and send alarm signal, control unit sends signal also by Zigbee communication unit to PCT, and PCT is also simultaneously emitted by alarm signal；Control unit sends, to PCT, the state that magnet separates with door magnetic main body or closes also by Zigbee communication unit, for the real-time reading of PCT.
The schematic diagram of the preferred embodiment of of the present utility model based on Internet of Things Intelligent door magnetic as shown in Figure 2.Control unit therein and Zigbee communication unit are integrated on the same processor, and processor is the processor of the CC25XX series of Texas Instrument.The processor of this series has Zigbee function, is the 2.4GHz radio system single-chip meeting ZigBee technology of Texas Instrument's production, it is adaptable to the wireless network node of various ZigBee or similar ZigBee, including tuner, router and terminal unit.Processor incorporates ZigBee radio frequency (RF) front end, internal memory and microcontroller, use 8 MCU(8051), 128/256KB flash memory able to programme and the RAM of 8KB, also comprise analog-digital converter (ADC), intervalometer (Timer), AES128 coprocessor, WatchDog Timer, the park mode intervalometer of 32kHz crystal oscillator, electrification reset circuit, power-fail detection circuit, PWM wave producer, and 21 I/O pins able to programme.
Sensing detector unit is at least one Hall switch circuit, and each Hall switch circuit includes a Hall switch.For strengthening sensing Detection results, two Hall switch circuits can be set up in parallel simultaneously.Hall switch is used for sensing external magnetic field strength, control output end output high-low voltage, completes magnetic input signal is converted to the signal of telecommunication.In this application, external magnetic field is i.e. arranged on the magnet on doorframe, and when door leaf is opened from doorframe, door magnetic main body separates with magnet, and Hall switch senses less than magnetic field intensity, then export low-voltage to processor；Shutting when door leaf and be combined on doorframe, door magnetic main body closes with magnet, and Hall switch senses magnetic field intensity, then to processor output HIGH voltage.
Alarm unit includes that buzzer circuit, buzzer circuit include a buzzer.Control unit receives a signal that magnetic main body separates with magnet, sends control signal to the buzzer of alarm unit, and buzzer is sounded a buzzer warnings, and prompting user's door leaf is opened from doorframe.
Alarm unit still further comprises RGB circuit for lamp, the control of the controlled unit of RGB circuit for lamp, the modes such as RGB circuit for lamp is flashed, length is bright, the state of display door magnetic main body by red or green light.
Power supply unit is lithium battery circuit, and lithium battery is built in a magnetic main body.
Concrete, the circuit theory diagrams of the Hall switch circuit of this embodiment as shown in Figure 3.Hall switch in Hall switch circuit uses the BU52011HFV chip of ROHM, and this chip has 3 interfaces, and 1 interface is connected to power supply unit, and 3 interfaces are outfan, are connected to processor by a resistance.Hall switch circuit sensing external magnetic field strength, control output end output high-low voltage, complete magnetic input signal is converted to the signal of telecommunication.Resistance can realize the level equalization of signal and reduce leakage current.Hall switch can also use BU52011, MRMS501A, XC3202B of other models, such as ROHM etc..
As shown in Figure 4, the circuit theory diagrams of the lithium battery circuit of this embodiment.Lithium battery circuit includes charging chip, power conversion chip and lithium battery.Charging chip connects with lithium battery, power conversion chip respectively, and lithium battery and power conversion chip connect, and power conversion chip is connected to each unit, powers for each unit.Charging chip connects USB interface, and by USB interface external power supply, USB interface provides 5V power supply for charging chip.When USB interface is connected to external power supply, charging chip is charged to lithium battery, and charging chip also provides 5V power supply to power conversion chip simultaneously, after the voltage of 5V is converted to 3.3V voltage by power conversion chip, powers for other units.When not connecting external power supply, lithium battery provides 4.2V power supply to power conversion chip, after the voltage of 4.2V is converted to 3.3V voltage by power conversion chip, powers for other units.
In the present embodiment, power conversion chip is WL2803E33-5/TR, and around connecting has electric capacity to be filtered, it is possible to achieve the chip of identical function also has TLV73133 etc., does not enumerates.The model of charging chip is XC6802, and around connecting has diode and resistance etc., it is possible to achieve the chip of identical function has XC6802A42XMR-G
SOT23-5 etc..
As it is shown in figure 5, the circuit theory diagrams of the processor of this embodiment.Processor uses model to be the chip of CC2530, the pin 8 of this processor is connected with the outfan out1 of Hall switch, pin 13 is connected with buzzer circuit, pin 15,16 is connected with R, G and the B interface of RGB circuit respectively, pin 39,10,28,27,24,29,21,31 is all connected to power conversion chip, power conversion chip provides 3.3V power supply for this processor, and pin 25,26 is connected to antenna.
The another preferred embodiment of of the present utility model based on Internet of Things Intelligent door magnetic as shown in Figure 6, verifies the authentication unit of identity when also including for being connected to Zigbee network.Multiple Intelligent door magnetic to be networked is there may be in Zigbee network, these treat that log equipment is of a great variety, user often only wants to its equipment allowed and joins in network, to ensure the safety of Zigbee network, at this moment it is accomplished by verifying the identity of Intelligent door magnetic, just can join in Zigbee network by verify.
Authentication unit can be NFC label.As a example by above-mentioned processor CC2530, the beacon information of processor CC 2530 is write in NFC label as checking ID, beacon information in processor is all that each processor is exclusive, ensure that the corresponding unique NFC label of each processor, the corresponding unique NFC label of the most each Intelligent door magnetic.After the NFC label of PCT scanning Intelligent door magnetic, record the checking ID of this Intelligent door magnetic, during PCT Zigbee networking, receive the checking ID that this Intelligent door magnetic sends, determine the record of this checking ID, then this Intelligent door magnetic is joined in Zigbee network.
NFC label can be arranged on Intelligent door magnetic, can also arrange with Intelligent door Magneto separate for convenience of scanning, but ensure that the most corresponding with Intelligent door magnetic.
Authentication unit can also be RFID label tag, and RFID label tag is according to setting, the most corresponding with Intelligent door magnetic.As long as it should be understood that the mode the most corresponding with Intelligent door magnetic, the application can be also applied in other modes of the identity of checking Intelligent door magnetic.
The Intelligent door magnetic based on Internet of Things of above-described embodiment, wherein communicates between the Zigbee communication module in the control terminal of Zigbee communication unit and outside, is realized the control to Intelligent door magnetic by controlling terminal；Multiple Intelligent door magnetic are respectively provided at the opening part that gate, sliding door, window etc. house easily invades; control terminal can realize communicating with multiple Intelligent door magnetic simultaneously; realize controlling to multiple Intelligent door magnetic; control terminal and the intelligent safety and defence system based on Internet of Things of multiple Intelligent door magnetic whole house of composition; whole house is carried out omnibearing protection, sees Fig. 7.As shown in Figure 7, control terminal and include control module, and be connected with control module Zigbee communication module, touch screen.
Zigbee communication module realizes communicating with the Zigbee communication unit in Intelligent door magnetic.ZigBee uses IEEE802.15.4 standard, utilize public frequency 2.4 GHz that the whole world shares, it is applied to monitor, control network, there is the advantages such as the low cost of highly significant, low power consumption, self-organizing, many, the long transmission distance of network node, it is in the communication range of mixed-media network modules mixed-media, by Automatic-searching, ZigBee module can form a ZigBee-network interconnected soon, can be in communication with each other between each ZigBee-network digital transmission module.It is currently viewed as substituting wired supervision and controlling one of the most promising technology of network field.By the networking of Zigbee communication module, form intelligent security system.
Touch screen is for showing the real-time status of each Intelligent door magnetic；Touch screen the most also has function of interaction control, and touch control operation is to arrange the parameter of each Intelligent door magnetic.
It should be understood that control terminal can also include WIFI communication module, by WIFI communication module and communication of mobile terminal, the APP software of mobile terminal operate controlling terminal.Mobile terminal includes mobile phone, panel computer etc..
The operation principle of intelligent safety and defence system based on Internet of Things of the present utility model is as follows: user chooses an Intelligent door magnetic in network in the touch screen controlling terminal, Zigbee communication unit communication by Zigbee module Yu Intelligent door magnetic, control unit is by Zigbee communication unit and the Zigbee module communication controlling terminal, the real-time status of this Intelligent door magnetic is issued control terminal, shows this Intelligent door magnetic real-time status by touch screen.
User carries out parameter setting to this Intelligent door magnetic on the touchscreen, working time and the delay time of Intelligent door magnetic are set, it is transmitted to control module, control module is by the Zigbee communication unit communication of Zigbee communication module with Intelligent door magnetic, temporal information is sent to the control unit of Intelligent door magnetic, in operationally, once door is opened, and the control unit of Intelligent door magnetic controls alarm unit and sends alarm signal；As set delay time, then control unit control alarm unit time delay sends alarm signal.Controlling terminal and pass through WIFI signal and the mobile device communication such as mobile phone, panel computer, the state to all Intelligent door magnetic that realizes on mobile phone or panel computer reads, arranges working time and delay time.
Further, in order to ensure the safety of Zigbee network, control terminal and selectively add equipment networking, it is necessary to the identity of checking equipment, just can join in Zigbee network by checking.As shown in Figure 8, another embodiment of intelligent safety and defence system based on Internet of Things, control terminal and also include that authentication module, Intelligent door magnetic also include authentication unit.When authentication unit is NFC label, authentication module is NFC module.
Fig. 9 is the checking flow chart of the preferred embodiment of Fig. 8.After controlling the NFC label of NFC module scanning Intelligent door magnetic of terminal, record the checking ID of this Intelligent door magnetic in white list, during PCT Zigbee networking, receive the checking ID that this Intelligent door magnetic sends, determine this checking ID in white list, then this Intelligent door magnetic is joined in Zigbee network.NFC label can be arranged on Intelligent door magnetic, can also arrange with Intelligent door Magneto separate for convenience of scanning, but ensure that the most corresponding with Intelligent door magnetic.
Authentication unit can also be RFID label tag, and authentication module is RFID module, and RFID module is according to setting, the most corresponding with Intelligent door magnetic.As long as it should be understood that the mode the most corresponding with Intelligent door magnetic, the application can be also applied in other modes of the identity of checking Intelligent door magnetic.
Intelligent door magnetic and authentication module are one to one, even if be Intelligent door Magneto separate, it is also possible to identify this Intelligent door magnetic, faster and more convenient operation by reading authentication module.By arranging authentication module and authentication unit, then cannot add intelligent safety and defence system without the Intelligent door magnetic of checking, further ensure safety and the uniqueness of Zigbee network.
Above in conjunction with accompanying drawing, embodiment of the present utility model is described; but this utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematically; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the case of without departing from this utility model objective and scope of the claimed protection, it may also be made that a lot of form, within these belong to protection of the present utility model.
Claims (10)
1. an Intelligent door magnetic based on Internet of Things, including the door magnetic main body being correspondingly arranged at respectively on doorframe and door leaf and magnet, described door magnetic main body includes sensing detector unit, alarm unit and the power supply unit that control unit is connected with described control unit, it is characterized in that, described door magnetic main body also includes the Zigbee communication unit being connected with described control unit, and the antenna being connected with described Zigbee communication unit；
Described sensing detector unit, is used for detecting that described magnet and described door magnetic main body once separate or close, sends a signal to described control unit；
Described alarm unit, for being sent alarm signal by the control of described control unit；
Described Zigbee communication unit, for setting up Zigbee network by described antenna and PCT, so that described control unit realizes communicating with described PCT；
Described control unit, for receiving the signal that described sensing detector unit sends, control described alarm unit and send alarm signal, realize communicating with described PCT by described Zigbee communication unit, making described PCT read related data or send alarm signal, user sends control signal by operation PCT to described control unit.
Intelligent door magnetic based on Internet of Things the most according to claim 1, it is characterized in that, described control unit and described Zigbee communication unit are integrated on the processor of same band Zigbee function, described processor be the model of Texas Instrument be CC25XX series processor.
Intelligent door magnetic based on Internet of Things the most according to claim 2, it is characterised in that described sensing detector unit is the Hall switch circuit of at least one, and described Hall switch circuit includes a Hall switch.
Intelligent door magnetic based on Internet of Things the most according to claim 1, it is characterized in that, described Intelligent door magnetic based on Internet of Things also includes authentication unit, and described authentication unit adds Zigbee network after described Intelligent door magnetic is verified by described PCT.
Intelligent door magnetic based on Internet of Things the most according to claim 4, it is characterised in that described authentication unit is the NFC label the most corresponding with described control unit.
Intelligent door magnetic based on Internet of Things the most according to claim 1, it is characterized in that, said supply unit includes lithium battery circuit, described lithium battery circuit includes charging chip, power conversion chip and lithium battery, described charging chip connects with described lithium battery, described power conversion chip respectively, and described lithium battery and described power conversion chip connect, and described power conversion chip is connected to each unit, powering for each unit, described charging chip connects USB interface.
7. an intelligent safety and defence system based on Internet of Things, it is characterized in that, including controlling terminal and multiple Intelligent door magnetic based on Internet of Things as described in any one of claim 1 to 6, described control terminal includes control module, and be connected with described control module Zigbee communication module, touch screen；
Described Zigbee communication module, realizes networking for the Zigbee communication unit communication with described Intelligent door magnetic based on Internet of Things；
Described control terminal, for being respectively controlled all described Intelligent door magnetic based on Internet of Things in Zigbee network after networking；
Described touch screen, is used for display real-time status and the touch control respectively to each described Intelligent door magnetic based on Internet of Things.
Intelligent safety and defence system based on Internet of Things the most according to claim 7, it is characterized in that, also including the WIFI communication module being connected with described control module, described WIFI communication module is used for and communication of mobile terminal, the APP software of described mobile terminal operate described control terminal.
Intelligent safety and defence system based on Internet of Things the most according to claim 7, it is characterized in that, described control terminal also includes the authentication module being connected with described control module, described Intelligent door magnetic based on Internet of Things also includes authentication unit, described Intelligent door magnetic is added Zigbee network by described authentication module described control terminal after verify described authentication unit, being verified.
Intelligent safety and defence system based on Internet of Things the most according to claim 9, it is characterized in that, described authentication unit is the NFC label the most corresponding with described control unit, described authentication module is NFC module, described NFC label is with the checking ID of described Intelligent door magnetic based on Internet of Things, described authentication module scans described NFC label and recorded in white list by described checking ID, when described control terminal carries out Zigbee networking, the described checking ID that the Zigbee communication unit of described Intelligent door magnetic based on Internet of Things sends is received by described Zigbee communication module, described control module judges that this checking ID is then verified in described white list, this Intelligent door magnetic based on Internet of Things is entered in Zigbee network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620106385.4U CN205541204U (en) | 2016-02-03 | 2016-02-03 | Intelligence door magnetism and intelligent security system based on thing networking |
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| CN201620106385.4U CN205541204U (en) | 2016-02-03 | 2016-02-03 | Intelligence door magnetism and intelligent security system based on thing networking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846688A (en) * | 2016-10-31 | 2017-06-13 | 广东探金电子科技有限公司 | A kind of intelligent door sensor |
| CN107749155A (en) * | 2017-10-25 | 2018-03-02 | 成都众山科技有限公司 | A kind of method of NB IoT networks door sensor network alarm |
-
2016
- 2016-02-03 CN CN201620106385.4U patent/CN205541204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846688A (en) * | 2016-10-31 | 2017-06-13 | 广东探金电子科技有限公司 | A kind of intelligent door sensor |
| CN107749155A (en) * | 2017-10-25 | 2018-03-02 | 成都众山科技有限公司 | A kind of method of NB IoT networks door sensor network alarm |
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Granted publication date: 20160831 Termination date: 20190203 |