CN206602591U - A kind of people's air defense Intelligence Visible-speaking System - Google Patents

A kind of people's air defense Intelligence Visible-speaking System Download PDF

Info

Publication number
CN206602591U
CN206602591U CN201720215166.4U CN201720215166U CN206602591U CN 206602591 U CN206602591 U CN 206602591U CN 201720215166 U CN201720215166 U CN 201720215166U CN 206602591 U CN206602591 U CN 206602591U
Authority
CN
China
Prior art keywords
microprocessor
air defense
people
power supply
speaking 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.)
Expired - Fee Related
Application number
CN201720215166.4U
Other languages
Chinese (zh)
Inventor
李元贵
支艳华
贺锋
王雪娟
朱亮
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.)
PLA 61517 ARMY
Original Assignee
PLA 61517 ARMY
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 PLA 61517 ARMY filed Critical PLA 61517 ARMY
Priority to CN201720215166.4U priority Critical patent/CN206602591U/en
Application granted granted Critical
Publication of CN206602591U publication Critical patent/CN206602591U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model is related to a kind of people's air defense Intelligence Visible-speaking System, and it includes visual intercommunication host, video interphone terminal machine and electric cabinet;Visual intercommunication host is communicated with video interphone terminal machine, and visual intercommunication host is connected with electric cabinet by netting twine and power line, and electric cabinet control electric protection sealed door is opened or closed.Visual intercommunication host includes housing and the first microprocessor, first communication module and the first power supply module that are arranged in housing;Ventilation state key zone, sealed door operation display area, power switch and power supply indicator are provided with the front panel of housing;Video interphone terminal machine includes box body and the second microprocessor, second communication module and the second power supply module that are arranged in box body;Call button and three proofings signal lamp are provided with the front panel of box body, call button and three proofings signal lamp are connected with the second microprocessor.The utility model can provide that a kind of technology is more advanced, the more convenient calling contact information of intelligence for wartime civil air defense constructions and installations.

Description

A kind of people's air defense Intelligence Visible-speaking System
Technical field
The utility model belongs to communication technical field, and in particular to a kind of people's air defense Intelligence Visible-speaking System.
Background technology
There are cleaning type, filter three kinds of draft types of malicious formula and isolation type in civil air defense constructions and installations wartime.Under cleaning type ventilation state, people Member can free in and out civil air defense constructions and installations;Under the malicious formula ventilation state of filter, personnel conditionally enter civil air defense constructions and installations;In isolation type ventilation Under state, absolute prohibition personnel turnover civil air defense constructions and installations.When civil air defense constructions and installations is in the malicious formula of filter and isolation type draft type, it is necessary to close The airtight blast door of all gateways of civil air defense constructions and installations is closed, to ensure the safety of civil air defense constructions and installations internal staff and equipment.Now, people's air defense Engineering is inside and outside by being arranged on the acoustic signal button of civil air defense constructions and installations gateway protective seal outer side of door and to be arranged on chemical defence on duty Indoor doorbell is got in touch with.This request call system of entering being made up of button and doorbell can only carry out one way signal biography Send, it is impossible to carry out identification, the answer signal for whether allowing access into engineering is also fed back without normal direction requestor, function is single, skill Art falls behind, it is impossible to the need for meeting the contact in real time of civil air defense constructions and installations wartime.
Utility model content
In order to solve the above mentioned problem of prior art presence, the utility model provides a kind of people's air defense Intelligent visible intercom system System.
To achieve the above object, the utility model takes following technical scheme:A kind of people's air defense Intelligence Visible-speaking System bag Include visual intercommunication host, video interphone terminal machine and electric cabinet;The visual intercommunication host passes through net with video interphone terminal machine Line is connected, and the visual intercommunication host is connected with electric cabinet by netting twine and power line, and the electric cabinet control electric safety is close Door is closed to open or close;
The visual intercommunication host includes housing and the first microprocessor being arranged in the housing, the first communication mould Block and the first power supply module, the first communication module and the first power supply module are connected with the first microprocessor;It is described Ventilation state key zone, sealed door operation display area, power switch and power supply indicator are provided with the front panel of housing;It is described Ventilation state key zone is provided with cleaning type ventilation button, the malicious formula ventilation button of filter and isolation type ventilation button;The sealed door Operation display area is provided with application position indicator lamp, electric protection sealed door operation button and electric protection sealed door opening and closing state Indicator lamp, electric protection sealed door operation button includes enabling key and key of closing the door;
The video interphone terminal machine includes box body and the second microprocessor being arranged in the box body, the second communication Module and the second power supply module, the second communication module and the second power supply module are connected with second microprocessor;Institute State and call button and three proofings signal lamp are provided with the front panel of box body, the call button and three proofings signal lamp are equal It is connected with second microprocessor.
Further, the three proofings signal lamp includes green LED lamp, yellow LED lamp and red LED lamp;It is described green Color LED lights expression civil air defense constructions and installations and is in cleaning type ventilation state, and the yellow LED lamp lights expression civil air defense constructions and installations and is in filter Malicious formula ventilation state, the red LED lamp lights expression civil air defense constructions and installations and is in isolation type ventilation state.
Further, hand is additionally provided with the visual intercommunication host and holds microphone and the first loudspeaker, the hand holds microphone It is connected with the first loudspeaker with the first microprocessor;Be additionally provided with the video interphone terminal machine mini microphone and Second loudspeaker, the mini microphone and the second loudspeaker are connected with second microprocessor.
Further, the hand holds microphone and the first loudspeaker is arranged at side on the housing front panel.
Further, the mini microphone is arranged on the top of the call button, and second loudspeaker is set In the lower section of the call button.
Further, pinhole cameras, the pinhole cameras and second are additionally provided with the video interphone terminal machine Microprocessor is connected;LCDs, the LCDs and the first microprocessor are additionally provided with the visual intercommunication host Device is connected;Image transmitting to the LCDs that the pinhole cameras is shot is shown.
Further, the pinhole cameras is arranged on the lower section of the three proofings signal lamp.
Further, the LCDs uses 7 inch display screens, on it is arranged in the housing front panel Portion.
Further, face detection module and face database are additionally provided with the visual intercommunication host, it is described Face detection module and face database are connected with the first microprocessor.
Further, the first microprocessor and the second microprocessor use microprocessor STM32F103.
Due to taking above technical scheme, the utility model has advantages below:The utility model is visual right by setting Say and be provided with ventilation state key zone and close on main frame, video interphone terminal machine and electric cabinet, the front panel of visual intercommunication host Close on door operation viewing area, the front panel of video interphone terminal machine and be provided with call button and three proofings signal lamp, this practicality It is new that civil air defense constructions and installations external staff understanding civil air defense constructions and installations can be facilitated to be under which kind of ventilation state and can enter people's air defense work Journey.The utility model integrates video, voice and control function, the identity of requestor can be entered by sound, vision signal Row identification, controls dynamic seal protection door to act by electric cabinet.The utility model can provide a kind of skill for wartime civil air defense constructions and installations Art is more advanced, more intelligence is convenient calls contact information.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of the people's air defense Intelligence Visible-speaking System provided in the embodiment of the utility model one;
Fig. 2 is the front view of the visual intercommunication host provided in the embodiment of the utility model one;
Fig. 3 is the front view of the video interphone terminal machine provided in the embodiment of the utility model one.
In figure:1- visual intercommunication hosts;10- first microprocessors;11- first communication modules;The power supply modules of 12- first; 13- ventilation states key zone;131- cleaning types ventilation button;The malicious formula ventilation button of 132- filters;133- isolation types ventilation button; 14- sealed doors operation display area;141- applies for position indicator lamp;142- enabling keys;143- closes the door key;144- door opening states are indicated Lamp;145- closes the door status indicator lamp;15- power switches;16- power supply indicators;17- hands hold microphone;The loudspeakers of 18- first;19- LCDs;2- video interphone terminal machines;The microprocessors of 21- second;22- second communication modules;The power supply modules of 23- second; 24- call buttons;25- three proofings signal lamps;251- green LED lamps;252- yellow LED lamps;253- red LED lamps;26- is micro- Type microphone;The loudspeakers of 27- second;28- pinhole cameras;3- electric cabinets.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer Scheme is described in detail.Obviously, described embodiment is only a part of embodiment of the utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made Resulting all other embodiment is put, the scope that the utility model is protected is belonged to.
As shown in figure 1, the utility model provides a kind of people's air defense Intelligence Visible-speaking System, it includes visual intercommunication host 1st, video interphone terminal machine 2 and electric cabinet 3.Visual intercommunication host 1 is entered with video interphone terminal machine 2 by wired or wireless way Row communication.Visual intercommunication host 1 is connected with electric cabinet 3 by netting twine.The control electric protection sealed door of electric cabinet 3, which is beaten, to be opened or closed Close.
Visual intercommunication host 1 includes housing and the first microprocessor 10, the first communication module 11 that are arranged in housing With the first power supply module 12.The power supply module 12 of first communication module 11 and first is connected with first microprocessor 10.Such as Fig. 2 institutes Show, ventilation state key zone 13, sealed door operation display area 14, power switch 15 and power supply are provided with the front panel of housing and is referred to Show lamp 16.Wherein, ventilation state key zone 13 is provided with cleaning type ventilation button 131, the malicious formula ventilation button 132 of filter and isolation type Ventilation button 133.Sealed door operation display area 14 is provided with the application application of position indicator lamp 141 position indicator lamp, electric safety Closed door operation button and electric protection sealed door opening and closing state indicator lamp.For example, if personnel are in the video intercom of No. 1 mouth The electric protection sealed door of No. 1 mouth is opened in request at terminating machine 2, then the application position indicator lamp 141 for corresponding to No. 1 mouth is lighted.It is close Closing door operation button includes enabling key 142 and key 143 of closing the door.Electric protection sealed door opening and closing state indicator lamp includes door opening state Indicator lamp 144 and status indicator lamp 145 of closing the door.
Video interphone terminal machine 2 includes box body and the second microprocessor 21, the second communication module that are arranged in box body 22 and second power supply module 23.The power supply module 23 of second communication module 22 and second is connected with the second microprocessor 21.Such as Fig. 3 It is shown, call button 24 and three proofings signal lamp 25 are provided with the front panel of box body.Call button 24 and three proofings signal refer to Show that lamp 25 is connected with the second microprocessor 21.Wherein, three proofings signal lamp 25 includes green LED lamp 251, yellow LED lamp 252 and red LED lamp 253.Green LED lamp 251 lights expression civil air defense constructions and installations and is in cleaning type ventilation state, yellow LED lamp 252 Light expression civil air defense constructions and installations and be in the malicious formula ventilation state of filter, red LED lamp 253 is lighted expression civil air defense constructions and installations and divulged information in isolation type State.
First power supply module 12 connects 220V power supplys, and the first power supply module 12 is connected by power line with the second power supply module 23 Connect.First microprocessor 10 is communicated by first communication module 11 and second communication module 22 with the second microprocessor 21.
The operation principle of the utility model people's air defense Intelligence Visible-speaking System is:Open the power supply on visual intercommunication host 1 Switch 15, video interphone terminal machine 2 and visual intercommunication host 1 all start normal operation.Civil air defense constructions and installations internal staff presses ventilation The a certain button in status keys area 13, first microprocessor 10 communicates the push button signalling by first communication module 11 and second Module 22 is sent to the second microprocessor 21, and the second microprocessor 21 controls corresponding three proofings to believe according to the push button signalling received Can number indicator lamp 25 be lighted, be in so as to facilitate civil air defense constructions and installations external staff to understand civil air defense constructions and installations under which kind of ventilation state and Into civil air defense constructions and installations.
When civil air defense constructions and installations is under cleaning type or the malicious formula ventilation state of filter, civil air defense constructions and installations external staff can enter people's air defense Engineering.Civil air defense constructions and installations external staff can press the call button 24 on video interphone terminal machine 2.Second microprocessor 21 should The actuating signal of call button 24 is sent to first microprocessor 10 by the communication of second communication module 22 and first.First microprocessor Device 10 is lighted according to the corresponding application position indicator lamp 141 of the actuating signal of call button 24 control received.If allowing people Preventing engineering external staff enters, then civil air defense constructions and installations internal staff presses corresponding enabling key 142.First microprocessor 10 will be received To enabling signal be sent to electric cabinet 3, electric cabinet 3 controls corresponding electric protection sealed door to open;Otherwise, electric cabinet 3 is controlled Corresponding electric protection sealed door is made to close.
When electric protection sealed door is in open mode, electric cabinet is anti-by the open mode signal of electric protection sealed door Feed first microprocessor 10, the control electric protection sealed door door opening state of first microprocessor 10 indicator lamp 144 is lighted.Work as electricity When dynamic airtight blast door is closed, the closed mode signal of electric protection sealed door is fed back to first micro- place by electric cabinet Device 10 is managed, the control electric protection sealed door of first microprocessor 10 status indicator lamp 145 of closing the door is lighted.
In above-described embodiment, as shown in Fig. 2 carrying out language with internal staff for convenience of the request incomer outside civil air defense constructions and installations Sound communicates, and being additionally provided with hand in visual intercommunication host 1 holds the loudspeaker 18 of microphone 17 and first, and hand holds the loudspeaker of microphone 17 and first 18 are connected with first microprocessor 10.Hand holds the side that the loudspeaker 18 of microphone 17 and first is arranged on housing front panel. As shown in figure 3, being additionally provided with the loudspeaker 27 of mini microphone 26 and second, the He of mini microphone 26 in video interphone terminal machine 2 Second loudspeaker 27 is connected with the second microprocessor 21.The voice letter of the collection civil air defense constructions and installations external staff of mini microphone 26 Number, the voice signal that the second 21 pairs of microprocessor is received is carried out after the processing such as analog-to-digital conversion and amplification, passes through the second communication mould Block 22 is sent to visual intercommunication host 1.First microprocessor 10 in visual intercommunication host 1 is received by first communication module 11 Voice signal, and the voice signal that receives is carried out be sent to the first loudspeaker 18 after the processing such as digital-to-analogue conversion and played out. The loudspeaker 18 of microphone 17 and first and the loudspeaker 27 of mini microphone 26 and second are held by hand, civil air defense constructions and installations internal staff with External staff carries out voice communication.Mini microphone 26 is arranged on the top of call button 24, and the second loudspeaker 27, which is arranged on, exhales Call out the lower section of button 24.
Further, hand holds microphone 17 and mini microphone 26 and uses electret capacitor microphone.Electret capacitor microphone With small volume, the good and low-cost feature of simple in construction, electroacoustic performance.
In above-described embodiment, as shown in figure 3, being carried out for convenience of the identity to the request incomer outside civil air defense constructions and installations effective Pinhole cameras 28 is additionally provided with identification, video interphone terminal machine 2, pinhole cameras 28 is connected with the second microprocessor 21. Further, pinhole cameras 28 is arranged on the lower section of three proofings signal lamp 25.As shown in Fig. 2 in visual intercommunication host 1 also LCDs 19 is provided with, LCDs 19 is connected with first microprocessor 10.In the present embodiment, LCDs 19 is adopted 7 inch display screens are used, it is arranged on the middle and upper part of housing front panel, facilitate civil air defense constructions and installations internal staff to look into external circumstances See.In use, the outer video signal of the civil air defense constructions and installations photographed is sent to the second microprocessor 21 by pinhole cameras 28, the Two 21 pairs of the microprocessor vision signals received are sent out after handling by second communication module 22 and first communication module 11 First microprocessor 10 is given, first microprocessor 10 is shown video signal transmission to LCDs 19, so that real Video communication inside existing civil air defense constructions and installations with external staff.
Further, face detection module and face database, Face datection are additionally provided with visual intercommunication host 1 Module and face database are connected with first microprocessor 10.The people that face detection module is shot to pinhole cameras 28 Face image is detected, and testing result is transmitted to first microprocessor 10.First microprocessor 10 reads facial image number It is compared according to the facial image in storehouse, and by testing result and the facial image of reading, if testing result and the people read Face image is consistent, then enabling signal is sent to electric cabinet 3 by first microprocessor 10.Electric cabinet 3 is believed according to the enabling received Number control corresponding electric protection sealed door is opened;Otherwise, electric cabinet 3 controls corresponding electric protection sealed door to close.
In above-described embodiment, the microprocessor 21 of first microprocessor 10 and second is using STMicw Electronics (ST) company 32 high-performance microprocessor STM32F103 use RealViewMDK development kits as core, exploitation software. RealViewMDK is the SDK for various embeded processors that ARM companies release, and embedded program is compiled including C The IDE μ Vision3 including device, Macro assembler, simulation debugger etc. are translated, are supported in the utility model STM32F103 microprocessors.
The utility model people's air defense Intelligence Visible-speaking System integrates video, voice and control function, can send into Door request signal, can be identified to the identity of requestor by sound, vision signal, can pass through three proofings signal lamp side Can formula or voice signal notify requestor enter civil air defense constructions and installations, but also dynamic seal protection door can be controlled to beat by electric cabinet Open.The utility model can provide that a kind of technology is more advanced, the more convenient calling contact side of intelligence for wartime civil air defense constructions and installations Formula.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power The protection domain that profit is required is defined.

Claims (10)

1. a kind of people's air defense Intelligence Visible-speaking System, it is characterised in that:It include visual intercommunication host, video interphone terminal machine and Electric cabinet;The visual intercommunication host is connected with video interphone terminal machine by netting twine, the visual intercommunication host and electric cabinet Connected by netting twine and power line, the electric cabinet control electric protection sealed door is opened or closed;
The visual intercommunication host include housing and be arranged in the housing first microprocessor, first communication module and First power supply module, the first communication module and the first power supply module are connected with the first microprocessor;The housing Front panel on be provided with ventilation state key zone, sealed door operation display area, power switch and power supply indicator;The ventilation Status keys area is provided with cleaning type ventilation button, the malicious formula ventilation button of filter and isolation type ventilation button;The closed door operation Viewing area is provided with application position indicator lamp, electric protection sealed door operation button and electric protection sealed door opening and closing state and indicated Lamp, electric protection sealed door operation button includes enabling key and key of closing the door;
The video interphone terminal machine includes box body and the second microprocessor, the second communication module that are arranged in the box body With the second power supply module, the second communication module and the second power supply module are connected with second microprocessor;The box It is provided with call button and three proofings signal lamp on the front panel of body, the call button and three proofings signal lamp are and institute State the connection of the second microprocessor.
2. a kind of people's air defense Intelligence Visible-speaking System as claimed in claim 1, it is characterised in that:The three proofings signal lamp Including green LED lamp, yellow LED lamp and red LED lamp;It is logical in cleaning type that the green LED lamp lights expression civil air defense constructions and installations Wind state, the yellow LED lamp lights expression civil air defense constructions and installations and is in the malicious formula ventilation state of filter, and the red LED lamp lights expression Civil air defense constructions and installations is in isolation type ventilation state.
3. a kind of people's air defense Intelligence Visible-speaking System as claimed in claim 1, it is characterised in that:In the visual intercommunication host It is additionally provided with hand and holds microphone and the first loudspeaker, the hand is held microphone and the first loudspeaker and connected with the first microprocessor Connect;Mini microphone and the second loudspeaker are additionally provided with the video interphone terminal machine, the mini microphone and second are raised Sound device is connected with second microprocessor.
4. a kind of people's air defense Intelligence Visible-speaking System as claimed in claim 3, it is characterised in that:The hand holds microphone and first Loudspeaker is arranged at the side on the housing front panel.
5. a kind of people's air defense Intelligence Visible-speaking System as claimed in claim 3, it is characterised in that:The mini microphone is set In the top of the call button, second loudspeaker is arranged on the lower section of the call button.
6. a kind of people's air defense Intelligence Visible-speaking System as described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that:It is described can Depending on being additionally provided with pinhole cameras in intercommunication terminal machine, the pinhole cameras is connected with the second microprocessor;It is described visual right Say and LCDs is additionally provided with main frame, the LCDs is connected with first microprocessor;The pinhole cameras is clapped The image transmitting taken the photograph to the LCDs is shown.
7. a kind of people's air defense Intelligence Visible-speaking System as claimed in claim 6, it is characterised in that:The pinhole cameras is set In the lower section of the three proofings signal lamp.
8. a kind of people's air defense Intelligence Visible-speaking System as claimed in claim 6, it is characterised in that:The LCDs is used 7 inch display screens, it is arranged on the middle and upper part of the housing front panel.
9. a kind of people's air defense Intelligence Visible-speaking System as described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that:It is described can Depending on being additionally provided with face detection module and face database, the face detection module and facial image number in talk-back host It is connected according to storehouse with the first microprocessor.
10. a kind of people's air defense Intelligence Visible-speaking System as described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that:It is described First microprocessor and the second microprocessor use microprocessor STM32F103.
CN201720215166.4U 2017-03-07 2017-03-07 A kind of people's air defense Intelligence Visible-speaking System Expired - Fee Related CN206602591U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720215166.4U CN206602591U (en) 2017-03-07 2017-03-07 A kind of people's air defense Intelligence Visible-speaking System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720215166.4U CN206602591U (en) 2017-03-07 2017-03-07 A kind of people's air defense Intelligence Visible-speaking System

Publications (1)

Publication Number Publication Date
CN206602591U true CN206602591U (en) 2017-10-31

Family

ID=60148173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720215166.4U Expired - Fee Related CN206602591U (en) 2017-03-07 2017-03-07 A kind of people's air defense Intelligence Visible-speaking System

Country Status (1)

Country Link
CN (1) CN206602591U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109525815A (en) * 2018-12-07 2019-03-26 安徽省人防建筑设计研究院 A kind of explosion-proof calling device of civil air defense constructions and installations video intercom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109525815A (en) * 2018-12-07 2019-03-26 安徽省人防建筑设计研究院 A kind of explosion-proof calling device of civil air defense constructions and installations video intercom

Similar Documents

Publication Publication Date Title
CN101438332B (en) Security device comprising a plurality of interfaces
CN209132834U (en) A kind of internet visual entrance guard intercommunication management system
CN206743428U (en) A kind of intelligent cloud intercom machine
CN104104460A (en) Wireless interphone intelligent control broadcasting system having fingerprint identification function
CN206602591U (en) A kind of people's air defense Intelligence Visible-speaking System
CN206331552U (en) Alarm video doorbell
CN105275351A (en) Multipurpose intelligent antitheft door
CN103291197A (en) Multipurpose intelligent burglarproof door
CN106600800A (en) Novel entrance guard card reader
CN206602592U (en) A kind of people's air defense Intelligent visible intercom main frame
CN112887660A (en) Safety early warning doorbell system suitable for dysaudia crowd
CN104486600A (en) Visual intercom intelligent safe-guard system for anti-theft door
CN206602587U (en) A kind of people's air defense Intelligent visible intercom terminal machine
CN206363492U (en) Government affairs automatic monitored control system on duty
CN205092921U (en) Visual intercom system of seeking help
CN202899970U (en) Multi-functional security door with visual intercom
CN209879593U (en) Visual intelligent entrance guard intercom device
CN204316670U (en) A kind of antitheft door video intercom intelligent safety and defence system
CN206559520U (en) A kind of cartoon shell video doorbell
CN205912162U (en) A monitoring device for it is indoor
CN207399384U (en) A kind of indoor unit based on broadband power carrier wave and bluetooth MESH
CN207847298U (en) A kind of building gate inhibition automatic control device
CN206487349U (en) A kind of safe intelligent anti-theft door
CN206413116U (en) Building intelligent video doorbell
CN216531591U (en) Visual intercom device and access control system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171031

Termination date: 20200307

CF01 Termination of patent right due to non-payment of annual fee