CN205921681U - Upgrading framework of old district building intercom system based on wireless technology - Google Patents

Upgrading framework of old district building intercom system based on wireless technology Download PDF

Info

Publication number
CN205921681U
CN205921681U CN201620626744.9U CN201620626744U CN205921681U CN 205921681 U CN205921681 U CN 205921681U CN 201620626744 U CN201620626744 U CN 201620626744U CN 205921681 U CN205921681 U CN 205921681U
Authority
CN
China
Prior art keywords
wireless
cpu
indoor
intercommunication
intercom system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620626744.9U
Other languages
Chinese (zh)
Inventor
沈卫民
刘祖芳
吴彬
孙志美
王伟林
尹光辉
黄猛
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 Muchy Internet Of Things Co Ltd
Original Assignee
Shenzhen Muchy Internet Of Things 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 Muchy Internet Of Things Co Ltd filed Critical Shenzhen Muchy Internet Of Things Co Ltd
Priority to CN201620626744.9U priority Critical patent/CN205921681U/en
Application granted granted Critical
Publication of CN205921681U publication Critical patent/CN205921681U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

The utility model discloses an upgrading framework of old district building intercom system based on wireless technology, this framework include unit door mouth machine, a plurality of vertical distribution's of being floor interchanger and a plurality of horizontal distribution's of being the horizontal interchanger of unit, the equal wired connection of every floor interchanger has a plurality of indoor sets, this system still includes signal conversion equipment, radio signal repeater and the indoor and wireless talkback terminal corresponding with the indoor set, a plurality of floor interchangers and the equal wired connection of the horizontal interchanger of a plurality of unit to unit door mouth machine, unit door mouth machine carries out the wired connection with signal conversion equipment, constitute small -size wireless LAN between signal conversion equipment, radio signal repeater and the indoor and wireless talkback terminal three. The utility model discloses based on the wireless technology, carry out effectual transformation in the network deployment mode of original line intercom system for the intercom system can break through wire mode's limitation, has improved convenience and reliability.

Description

The upgrading framework of the old buildings intercom system based on wireless technology
Technical field
This utility model is related to community's intercommunication technical field, more particularly, to a kind of old buildings based on wireless technology The upgrading framework of intercom system.
Background technology
From the nineties in 20th century, building conversational system become Urban Residential District necessarily require be equipped with basic security and Convenience-for-people system, after the development in more than 20 years, is roughly divided into 3 stages, and the first stage is non-visual simulation intercom system, second-order Section be visual simulation intercom system, phase III be viewable numbers intercom system, system above all adopts in intelligent construction Wired (cable rvvp, netting twine cat5) networking mode, i.e. connection between equipment is all connected by there being profile and wire.
With the increase of the service life of cell portion intercom system, the wire rod of use in first stage of construction construction and equipment Gradually aging so that losing function, and then lead to intercom system partial paralysis or overall paralyse, so that owner can not be normal Using intercommunication function.And for old cell intercom system maintenance work usually because construction party and equipment provider originally Contact interrupt it is impossible to provide system maintenance maintenance;Or the line in building, because the problem of cabling wiring conduit, more renews Wire rod can not implement.
In the face of this predicament, in many ways all powerless effectively solving problem and leave to develop.Lead to the life inconvenience of resident and to peace Full worry, and property management unit is also subjected to owner and in many ways scolds.
Utility model content
For weak point present in above-mentioned technology, this utility model provides a kind of old cell based on wireless technology The upgrading framework of building conversational system, is effectively transformed to networking mode so that intercom system can break through wired mode Limitation, is improve convenience and reliability, and can successfully be solved the failure problems of wired system with minimum cost.
For achieving the above object, this utility model provides a kind of old buildings intercom system based on wireless technology Upgrading framework,
Hand over including unit doorway machine, multiple floor exchanger being in vertical distribution and multiple unit horizontal in horizontal distribution Parallel operation;Each equal wired connection of floor exchanger has multiple indoor sets;This system also includes signal conversion equipment, in wireless signal Continue device and the indoor wireless intercommunication terminal corresponding with indoor set;
The plurality of floor exchanger and multiple unit horizontal exchanger are all typically wire connected to unit doorway machine, described unit Doorway machine and signal conversion equipment carry out wired connection;Carry out wireless between described relay wireless signals device and signal conversion equipment Connect;Indoor wireless intercommunication terminal is wirelessly connected to relay wireless signals device, and indoor wireless intercommunication terminal is set with signal conversion Standby wireless connection;Form small-sized between described signal conversion equipment, relay wireless signals device and indoor wireless intercommunication terminal three WLAN.
Wherein, described signal conversion equipment includes cpu, flash memory, internal memory, believes original analog audio-video Number with the wireless talkback data audio-video signal mutually D and D/A converter of conversion, liquid crystal display, touch screen, wifi mould Block and power supply interface;External power source is electrically connected with this signal conversion equipment by power supply interface;Described unit doorway Machine accesses the input of cpu all after communication interface, audio interface and video interface;The communication ends of described cpu pass through wifi Module connects relay wireless signals device and indoor wireless intercommunication terminal respectively;Described touch screen is connected with the input of cpu, and liquid Crystal display is connected with the outfan of cpu;Described flash memory and internal memory are interconnected with cpu respectively;Described modulus/ Digital to analog converter is wirelessly connected with indoor wireless intercommunication terminal by cpu;The audio frequency and video bus transfer that unit doorway machine connects Analogue signal is converted to the digital signal being wirelessly transferred and is conveyed to corresponding indoor wireless intercommunication eventually through D and D/A converter End.
Wherein, described indoor wireless intercommunication terminal be in smart mobile phone or the pad of intercommunication app are installed.
For achieving the above object, this utility model also provides a kind of old buildings intercom system based on wireless technology Upgrading framework, the relay wireless signals device including the wireless paging device being arranged at cell gate, being arranged on corridor and multiple Each household corresponding indoor wireless intercommunication terminal;Described wireless paging device, indoor wireless intercommunication terminal and relay wireless signals device All wirelessly connected by wifi module between three, and between three, form micro radio intercommunication network;Electric lock controller connects Electric lock control interface to wireless paging device.
Wherein, described wireless paging device also include cpu, flash memory, internal memory, touch screen, liquid crystal display, Pick up, loudspeaker and photographic head;The communication ends of described cpu pass through wifi module and relay wireless signals device and indoor wireless intercommunication Terminal wireless interconnects, and described touch screen is connected with the input of cpu, and liquid crystal display is connected with the outfan of cpu;Institute State flash memory and internal memory is interconnected with cpu respectively;Described pick up and photographic head all access the input of cpu, and Described loudspeaker access the outfan of cpu.
Wherein, described wireless paging device also includes entrance guard card reader, and described entrance guard card reader is passed through cpu and controlled with electric lock Device connects;Described entrance guard card reader receives card image, processes post analysis card authority by cpu and then controls opening of electric lock Close.
Compared with prior art, the liter of the old buildings intercom system based on wireless technology that this utility model provides Level framework, has the advantages that and is not out of order in unit doorway machine, and the only out of order situation of part indoor set Under, form micro radio LAN between signal conversion equipment, relay wireless signals device and indoor wireless intercommunication terminal three, and Engagement unit doorway machine and indoor set form a new networking mode, and this networking mode can achieve do not have out of order indoor set Carry out intercommunication according to traditional wired intercom mode;And out of order indoor set carries out wireless talkback mode;This upgrading framework, Can be improved using original system resource, you can realize the recovery of intercommunication function on the basis of original system.
If in addition, in the case that unit doorway machine and part indoor set all break down, wireless paging device, interior are no All wirelessly connected by wifi module between line intercommunication terminal and relay wireless signals device three, and between three, form small-sized nothing Line intercommunication network;Electric lock controller connects to the electric lock control interface of wireless paging device, and this improved procedure can be changed without In the case of new wire rod, carry out the intercommunication function of wireless network.
This utility model based on wireless technology, networking mode is effectively transformed so that intercom system can break through wired The limitation of mode, improves convenience and reliability.
Brief description
Fig. 1 is the frame diagram of this utility model first specific embodiment;
Fig. 2 is the structure chart of signal conversion equipment in this utility model;
Fig. 3 is the frame diagram of this utility model second specific embodiment;
Fig. 4 is the structure chart of wireless paging device in this utility model.
Main element symbol description is as follows:
10th, unit doorway machine 11, floor exchanger
12nd, unit horizontal exchanger 13, indoor set
14th, signal conversion equipment 15, relay wireless signals device
16th, indoor wireless intercommunication terminal 140, cpu
141st, flash memory 142, internal memory
143rd, D and D/A converter 144, liquid crystal display
145th, touch screen 146, wifi module
147th, power supply interface 148, audio interface
149th, video interface 161, video window
20th, wireless paging device 21, relay wireless signals device
22nd, indoor wireless intercommunication terminal 23, electric lock
200th, wifi module 201, electric lock control interface
202nd, cpu 203, flash memory
204th, internal memory 205, touch screen
206th, liquid crystal display 207, pick up
208th, loudspeaker 209, photographic head
2010th, entrance guard card reader 24, electric lock controller.
Specific embodiment
In order to more clearly state this utility model, below in conjunction with the accompanying drawings this utility model is further described.
Refer to Fig. 1, be that this utility model is carried based on the upgrading framework of the old buildings intercom system of wireless technology For the first specific embodiment, including unit doorway machine 10, multiple floor exchanger 11 being in vertical distribution with multiple be in The unit horizontal exchanger 12 of horizontal distribution;Each equal wired connection of floor exchanger 11 has multiple indoor sets 13;This system is also Including signal conversion equipment 14, relay wireless signals device 15 and the indoor wireless intercommunication terminal 16 corresponding with indoor set 13;
Multiple floor exchangers 11 and multiple unit horizontal exchanger 12 are all typically wire connected to unit doorway machine 10, cell gate Mouth machine 10 is wirelessly connected with signal conversion equipment 14 interaction;Carry out between relay wireless signals device 15 and signal conversion equipment 14 no Line connects;And indoor wireless intercommunication terminal 16 is wirelessly connected to relay wireless signals device 15, and indoor wireless intercommunication terminal 16 with Signal conversion equipment 14 wirelessly connects;Signal conversion equipment 14, relay wireless signals device 15 and indoor wireless intercommunication terminal 16 3 Micro radio LAN is formed between person;
If part indoor set breaks down, then carry out malfunction elimination, confirm faulty equipment;And signal conversion equipment is leaned on The position of nearly unit doorway machine is installed;Draw original signal from former bus parallel connection, and access signal conversion equipment;By fault The room number of equipment, the ip address for the indoor wireless intercommunication terminal of replacing faulty equipment sequentially input in signal conversion equipment Row storage, and set up faulty equipment list;Corresponding ip address is set in signal conversion equipment and indoor wireless intercommunication terminal Complete the part upgrading of this old buildings intercom system afterwards;
Visitor or owner in unit doorway machine according to target room number start to call, if this room number is not in faulty equipment list Interior, then carry out the method for calling of former wired system;If target room number is in faulty equipment list, right after being upgraded using part Say system, indoor wireless intercommunication terminal realizes intercommunication after being wirelessly connected with signal conversion equipment.
The liter of the old buildings intercom system based on wireless technology providing compared to prior art, this utility model Level framework, has the effect that, is not out of order in unit doorway machine, and in the case of only part indoor set is out of order, letter Form micro radio LAN between number conversion equipment, relay wireless signals device and indoor wireless intercommunication terminal three, and coordinate Unit doorway machine and indoor set form a new networking mode, this networking mode can achieve do not have out of order indoor set according to Traditional wired intercom mode carries out intercommunication;And out of order indoor set carries out wireless talkback mode;This upgrading framework, permissible On the basis of original system, improved using original system resource, achieve that the recovery of intercommunication function by transformation.This Utility model is effectively transformed to networking mode so that intercom system can break through the office of wired mode based on wireless technology Limit, improves convenience and reliability
The upgrading framework of this specific embodiment, is mainly by part transformation, and the transformation of this part has mainly for original Unit doorway machine in line intercom system can normal work, but part indoor set cannot work because of fault itself or line out of service and The components of system as directed upgrading carrying out.
Further referring to Fig. 2, signal conversion equipment 14 includes cpu140, flash memory 141, internal memory 142, incites somebody to action The original analog audio-video signal and wireless talkback data audio-video signal D and D/A converter 143 of conversion, liquid crystal mutually Display 144, touch screen 145, wifi module 146 and power supply interface 147;External power source passes through power supply interface and is somebody's turn to do Signal conversion equipment electrically connects;Unit doorway machine accesses the input of cpu all after communication interface, audio interface and video interface End;The communication ends of cpu connect relay wireless signals device and indoor wireless intercommunication terminal respectively by wifi module;Touch screen with The input of cpu connects, and liquid crystal display is connected with the outfan of cpu, and passes through touch screen by the room number of faulty equipment, use Ip address input in the indoor wireless intercommunication terminal replacing faulty equipment;Flash memory and internal memory are interacted with cpu respectively Connect;D and D/A converter is wirelessly connected with indoor wireless intercommunication terminal by cpu;If target room number arranges in faulty equipment In table, then communication signal in cpu interception unit doorway machine, be converted to wireless digital signal and propagate to through relay wireless signals device Corresponding indoor wireless intercommunication terminal;The analogue signal of the audio frequency and video bus transfer that unit doorway machine connects turns through modulus/digital-to-analogue Parallel operation is converted to the digital signal being wirelessly transferred and is conveyed to corresponding indoor wireless intercommunication terminal.
The effect of power supply interface 147 is: powers for whole machine;Flash memory 141 is non-volatile data storage, Preserve such as the data such as device parameter, faulty equipment list, call record;D and D/A converter 143 is by the simulation of original system Audio-video signal and the mutual phase transformation of wireless intercom system digital audio-video signal;Touch screen 145 is that the input of " man-machine interaction " sets Standby, for arranging Local Parameters and other list etc.;Liquid crystal display 144 is the outut device of " man-machine interaction ", for " setting Put " and the function such as " inquiry ";These communication interfaces such as rs232/rs485/can/spi, connect the communication bus of original system, in order to obtain Take the communication data of original system and forward the data for wireless intercom system;Or be converted to cable data after receiving wireless data It is transmitted from this interface;Audio interface is the analogue signal of the audio-frequency bus of original system;Video interface is to connect regarding of original system The analogue signal of frequency bus.
In the present embodiment, indoor wireless intercommunication terminal 16 is the interior smart mobile phone being provided with intercommunication app or pad, certainly, Can also be other smart machines;And indoor wireless intercommunication terminal include video window, talk button, unlocking button and terminate by Key.In " ring " state, open double-talk pattern by talk button;In " ring " or " call " state, by unlocking button by Electric lock control interface opens the electric lock of unit doorway machine;In " ring " or " call " state, terminate this intercommunication by end key Process.
Further referring to Fig. 3, this utility model also provides a kind of old buildings intercommunication system based on wireless technology Second specific embodiment of the upgrading framework of system, including the wireless paging device 20 being arranged at cell gate, is arranged on corridor Relay wireless signals device 21 and multiple each household corresponding indoor wireless intercommunication terminal 22;Wireless paging device 20, indoor wireless All wirelessly connected by wifi module 200 between intercommunication terminal 22 and relay wireless signals device 21 three, and form between three Micro radio intercommunication network;Electric lock controller 24 connects to the electric lock control interface 201 of wireless paging device 20;
Setting intercommunication parameter, inputs the ip address corresponding to each indoor wireless intercommunication terminal on wireless paging device 20 And with the corresponding relation of room number after form intercommunication relation list, visitor or owner can be carried out wirelessly by micro radio intercommunication network Intercommunication;Visitor or owner on wireless paging device according to target room number start to call, it is right to obtain by the intercommunication relation list of storage The ip address answered;Called to the corresponding indoor wireless intercommunication terminal in the ip address obtaining by relay wireless signals device;Wirelessly Intercommunication app can realize the control of intercommunication process by button.
The liter of the old buildings intercom system based on wireless technology providing compared to prior art, this utility model Level framework, has the effect that, if in the case that unit doorway machine and part indoor set all break down, wireless calling sets All wirelessly connected by wifi module between standby, indoor wireless intercommunication terminal and relay wireless signals device three, and between three Composition micro radio intercommunication network;And electric lock controller connects to the electric lock control interface of wireless paging device, this improvement side Formula in the case of being changed without new wire rod, can carry out the intercommunication function of wireless network.This utility model has to networking mode The transformation of effect, so that intercom system can break through the limitation of wired mode, improves convenience and reliability.
The upgrading framework of this specific embodiment, is mainly by Overall Reconstruction, and this transformation is mainly for former wired intercom The system that most equipment including unit doorway machine for the system cannot work and carry out because of fault itself or line out of service is overall Upgrading.
Please parameter Fig. 4 further, wireless paging device also includes cpu202, flash memory 203, internal memory 204, touches Touch screen 205, liquid crystal display 206, pick up 207, loudspeaker 208, photographic head 209 and entrance guard card reader 2010;The communication ends of cpu It is connected with relay wireless signals device and indoor wireless intercommunication terminal wireless interaction by wifi module, the input of touch screen and cpu End connects, and liquid crystal display is connected with the outfan of cpu, and will be corresponding for each indoor wireless intercommunication terminal by touch screen Room number, ip address input and form intercommunication relation list;Flash memory and internal memory are interconnected with cpu respectively;Pick up All access the input of cpu with photographic head, and loudspeaker access the outfan of cpu, and realize presenting and pickup of audio-video signal; Presenting and pickup of this indoor wireless intercommunication terminal audio-video signal is realized in liquid crystal display, loudspeaker and photographic head three cooperation; Entrance guard card reader is connected with electric lock controller by cpu;Entrance guard card reader receives card image, processes post analysis card by cpu Piece authority and then the opening and closing of control electric lock 23.Pick up is the sound pick up equipment of talk back equipment, and collection acoustic information is in order to transmit;Loudspeaker Be talk back equipment playback set, in order to reappear other side's sound;Photographic head is the camera head of talk back equipment, gathers MPTY Video information is in order to transmit;The setting up of entrance guard card reader, can increase the function of unlocking of swiping the card it is achieved that many to cell gate electric lock Unit controls, and increased convenience.
The upgrading framework that this utility model provides, can be carried out using original system resource on the basis of original system Improve, can achieve the recovery of intercommunication function by transformation and upgrade.This utility model based on highly developed wireless technology, and Integrated various types of hardware interface, carries out receiving, parses, changes, transmitting to the wire signal in original line intercom system;And to networking Mode is effectively transformed so that intercom system can break through the limitation of wired mode, improves convenience and reliability, and energy Successfully solve the failure problems of wired system with minimum cost, realize normally using the need of old buildings intercommunication function Ask;Resident is allowed to experience the lifting of safety guarantee and quality of the life.
Only several specific embodiments of the present utility model disclosed above, but this utility model is not limited to this, The changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.

Claims (6)

1. a kind of upgrading framework of the old buildings intercom system based on wireless technology is it is characterised in that include cell gate Mouth machine, multiple floor exchanger being in vertical distribution and multiple unit horizontal exchanger in horizontal distribution;Each floor exchanges The equal wired connection of device has multiple indoor sets;This system also include signal conversion equipment, relay wireless signals device and with indoor set phase Corresponding indoor wireless intercommunication terminal;
The plurality of floor exchanger and multiple unit horizontal exchanger are all typically wire connected to unit doorway machine, described unit doorway Machine and signal conversion equipment carry out wired connection;Wirelessly connected between described relay wireless signals device and signal conversion equipment Connect;Indoor wireless intercommunication terminal is wirelessly connected to relay wireless signals device, and indoor wireless intercommunication terminal and signal conversion equipment Wireless connection;Small-sized nothing is formed between described signal conversion equipment, relay wireless signals device and indoor wireless intercommunication terminal three Line LAN.
2. the upgrading framework of the old buildings intercom system based on wireless technology according to claim 1, its feature Be, described signal conversion equipment include cpu, flash memory, internal memory, by original analog audio-video signal with wireless The D and D/A converter of conversion, liquid crystal display, touch screen, wifi module and the power supply mutually of intercommunication data audio-video signal Power interface;External power source is electrically connected with this signal conversion equipment by power supply interface;Described unit doorway machine is all passed through The input of cpu is accessed after communication interface, audio interface and video interface;The communication ends of described cpu are by wifi module respectively Connect relay wireless signals device and indoor wireless intercommunication terminal;Described touch screen is connected with the input of cpu, and liquid crystal display It is connected with the outfan of cpu;Described flash memory and internal memory are interconnected with cpu respectively;Described modulus/digital-to-analogue conversion Device is wirelessly connected with indoor wireless intercommunication terminal by cpu;The analogue signal of the audio frequency and video bus transfer that unit doorway machine connects Be converted to the digital signal being wirelessly transferred through D and D/A converter and be conveyed to corresponding indoor wireless intercommunication terminal.
3. the upgrading framework of the old buildings intercom system based on wireless technology according to claim 1, its feature Be, described indoor wireless intercommunication terminal be in smart mobile phone or the pad of intercommunication app are installed.
4. a kind of upgrading framework of the old buildings intercom system based on wireless technology is it is characterised in that include being arranged on Wireless paging device at cell gate, the relay wireless signals device being arranged on corridor and the corresponding indoor wireless intercommunication of multiple each household Terminal;All by wifi module between described wireless paging device, indoor wireless intercommunication terminal and relay wireless signals device three Wireless connection, and between three, form micro radio intercommunication network;Electric lock controller connects to the electric lock control of wireless paging device Interface processed.
5. the upgrading framework of the old buildings intercom system based on wireless technology according to claim 4, its feature It is, described wireless paging device also includes cpu, flash memory, internal memory, touch screen, liquid crystal display, pick up, loudspeaker And photographic head;It is wireless with relay wireless signals device and indoor wireless intercommunication terminal that the communication ends of described cpu pass through wifi module Interactive connection, described touch screen is connected with the input of cpu, and liquid crystal display is connected with the outfan of cpu;Described flash Memorizer and internal memory are interconnected with cpu respectively;Described pick up and photographic head all access the input of cpu, and described loudspeaker The outfan of access cpu.
6. the upgrading framework of the old buildings intercom system based on wireless technology according to claim 4, its feature It is, described wireless paging device also includes entrance guard card reader, described entrance guard card reader is connected with electric lock controller by cpu; Described entrance guard card reader receives card image, processes post analysis card authority by cpu and then controls the opening and closing of electric lock.
CN201620626744.9U 2016-06-23 2016-06-23 Upgrading framework of old district building intercom system based on wireless technology Active CN205921681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620626744.9U CN205921681U (en) 2016-06-23 2016-06-23 Upgrading framework of old district building intercom system based on wireless technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620626744.9U CN205921681U (en) 2016-06-23 2016-06-23 Upgrading framework of old district building intercom system based on wireless technology

Publications (1)

Publication Number Publication Date
CN205921681U true CN205921681U (en) 2017-02-01

Family

ID=57877718

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620626744.9U Active CN205921681U (en) 2016-06-23 2016-06-23 Upgrading framework of old district building intercom system based on wireless technology

Country Status (1)

Country Link
CN (1) CN205921681U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108924492A (en) * 2018-07-05 2018-11-30 广东赛翼智能科技有限公司 A kind of wisdom visual entrance guard intercom system based on WIFI networking model

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108924492A (en) * 2018-07-05 2018-11-30 广东赛翼智能科技有限公司 A kind of wisdom visual entrance guard intercom system based on WIFI networking model

Similar Documents

Publication Publication Date Title
CN202257705U (en) Home security access control system for realizing visual intercom by using 3G
CN103313024A (en) Visible intercom system and method for buildings
CN204615966U (en) The storied building visible intercommunication system of POE intelligent interconnection
CN103929616A (en) Intelligent Internet-of-things household visual door control monitoring system and monitoring method
CN103313147A (en) Building intercom system with advertising release function
CN202736139U (en) Dwelling unit gate access control device and area access control system based on wireless communication
CN202331597U (en) Entrance guard safety system
CN104767960A (en) WeChat building video intercom system and communication method thereof
CN202773006U (en) Building visible intercom access control system
CN101742706A (en) Public wireless communication network-based Intercom system, registration and control method thereof
CN205921681U (en) Upgrading framework of old district building intercom system based on wireless technology
CN201557163U (en) Talkback system based on public wireless communication network
CN204559817U (en) A kind of building conversational system
CN205121676U (en) Wireless gate machine and access control system thereof
CN207424969U (en) A kind of internet visible intercom door inhibition
CN105933640A (en) Upgrade method and system of building intercom system of old residential area based on wireless technique
CN203554612U (en) Portable gate inhibition video doorphone system
CN205563756U (en) Access control system based on mobile terminal responses
CN201414160Y (en) Digital-speech integrated access apparatus
CN204965557U (en) Intelligent building access control system that talkbacks
CN210864867U (en) Face recognition entrance guard transformation equipment and system
CN204087302U (en) Based on the ZIGBEE wireless access control system of image recognition
CN201781573U (en) Building intercom system capable of displaying elevator operating floor through extension set
CN202652337U (en) Intelligent visible standard communication protocol stairwell machine
CN205912158U (en) Wireless calling signal conversion equipment in building intercom system of district

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 518000 2201 and 2301, building 1, Chongwen Park, Nanshan Zhiyuan, No. 3370 Liuxian Avenue, Fuguang community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong

Patentee after: SHENZHEN MICHOI IOT CO.,LTD.

Address before: 518000 zone 1, 3 / F, Zhonggang building, building M-6, Maqueling Industrial Zone, high tech Zone, Nanshan District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN MICHOI IOT CO.,LTD.