CN201341206Y - Visual talkback access control device - Google Patents

Visual talkback access control device Download PDF

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Publication number
CN201341206Y
CN201341206Y CNU2009201362377U CN200920136237U CN201341206Y CN 201341206 Y CN201341206 Y CN 201341206Y CN U2009201362377 U CNU2009201362377 U CN U2009201362377U CN 200920136237 U CN200920136237 U CN 200920136237U CN 201341206 Y CN201341206 Y CN 201341206Y
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CN
China
Prior art keywords
circuit
extension
video
image
doorway
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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
CNU2009201362377U
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Chinese (zh)
Inventor
林文
Original Assignee
林文
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Publication date
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Priority to CNU2009201362377U priority Critical patent/CN201341206Y/en
Application granted granted Critical
Publication of CN201341206Y publication Critical patent/CN201341206Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a visual talkback access control device, which comprises a host machine and an extension set, the host machine is the same with the extension set and comprises: a door talkback module, an image display module, an internal call module and an image storage module according to functions; and the utility model realizes visual speaking, and has the color recording and storage functions, the device can store photos and videos and take photos of visitors automatically, indoor sets can call and talk to each other, and touch key-presses are arranged thereon, so the utility model has advantages of reasonable design and good market prospect.

Description

The video intercom entrance guard device
Technical field
The utility model relates to security protection control and voice, video intercommunication field, particularly a kind of video intercom entrance guard device.
Background technology
The most of utility functions of existing video intercom device are comprehensive inadequately, and these the device in adopted more audio frequency, video, electric power and digital signal respectively transmission manner carry out communication, caused the connection line complexity of whole device; In addition, its storage of product on the market is at machine intimate, can not unloading, and cause the image of storage to be capped, and indoor set can not connect many, lack hommization.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of video intercom entrance guard device, and its wiring is simple, but automatic video recording or take pictures has bigger external data storage, and can realize that many indoor sets are called out mutually, intercommunication.
The utility model is to realize like this: a kind of video intercom entrance guard device, comprise main frame and extension set, by the serial or parallel connection martingale, described main frame is identical with extension set, can comprise according to functional module: doorway intercommunication, image demonstration, Internal call and image storage; It is characterized in that: the intercommunication of described doorway is that the MIC voice signal is entered audio frequency and video commutation circuit, external apparatus interface circuit successively by the handfree circuit processing and after amplifying, and sends into doorway machine at last; Described handfree circuit also is connected with audio frequency power amplifier with volume control successively, and the promotion loudspeaker were sounded after the audio signal that doorway machine is sent into was carried out power amplification;
Described image show be image that the doorway machine collection is come through external apparatus interface circuit, doorway commutation circuit, audio frequency switching, video processing circuits, TFT display module, drive display screen and show corresponding image;
Host CPU sent string of code and sends into CPU by extension set communication data circuit, external apparatus interface circuit at last to external apparatus interface circuit, the extension set communication data circuit of extension set when described Internal call was Internal call, CPU will judge whether to being exhaled, if for to be exhaled, CPU will control handfree circuit, audio frequency power amplifier, volume control, audio frequency is penetrated with circuit, button and indicating circuit work; Described extension set communication data circuit is used for call extension coded signal in the office for incoming and outgoing mail;
The storage of described image be picture signal that doorway machine is gathered through external apparatus interface circuit, doorway commutation circuit, audio frequency and video switch, video processing circuits, send into image memory stores at last; The design of SD draw-in groove is adopted in described image storage.
Description of drawings
Fig. 1 is each machine connection diagram of the utility model embodiment.
Fig. 2 is the schematic block circuit diagram of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
The utility model is a kind of video intercom entrance guard device, comprises main frame and extension set, and as shown in Figure 1, main frame and each extension set are by the serial or parallel connection martingale, can be connected in series or and connect three extension sets; Described main frame is identical with extension set, sees also Fig. 2, and the utility model can comprise according to functional module: doorway intercommunication, image demonstration, Internal call and image storage; It is characterized in that: the intercommunication of described doorway is that the MIC voice signal is entered audio frequency and video commutation circuit, external apparatus interface circuit successively by the handfree circuit processing and after amplifying, and sends into doorway machine at last; Described handfree circuit also is connected with audio frequency power amplifier with volume control successively, and the promotion loudspeaker were sounded after the audio signal that doorway machine is sent into was carried out power amplification;
Described image show be image that the doorway machine collection is come through external apparatus interface circuit, doorway commutation circuit, audio frequency switching, video processing circuits, TFT display module, drive display screen and show corresponding image;
Host CPU sent string of code and sends into CPU by extension set communication data circuit, external apparatus interface circuit at last to external apparatus interface circuit, the extension set communication data circuit of extension set when described Internal call was Internal call, CPU will judge whether to being exhaled, if for to be exhaled, CPU will control handfree circuit, audio frequency power amplifier, volume control, audio frequency is penetrated with circuit, button and indicating circuit work; Described extension set communication data circuit is used for call extension coded signal in the office for incoming and outgoing mail;
The storage of described image be picture signal that doorway machine is gathered through external apparatus interface circuit, doorway commutation circuit, audio frequency and video switch, video processing circuits, send into image memory stores at last; The design of SD draw-in groove is adopted in described image storage.
In order to make system's convenient use more attractive in appearance, main frame is realized man-machine exchange by touch keyboard, and this external system is provided with video and audio output port, realizes the external of outside audio ﹠ video equipments such as watch-dog, television set.
For clearer expression each module of the present utility model, the function of each module among Fig. 2 under introducing below:
1) external apparatus interface circuit: external doorway machine, video camera, indoor unit, watch-dog, public address equipment etc. are provided.
2) overcurrent protection: prevent that the doorway machine supply current is excessive, short circuit etc. causes component wear.
3) doorway machine power supply control: be used for controlling two doorway machine work.
4) doorway commutation circuit: be used for switching two doorway machine audio frequency and video circuit.
5) audio frequency emitter follower: be used for changing the impedance of output audio.
6) extension set data communication circuit: call extension coded signal in the office for incoming and outgoing mail.
7) audio frequency and video commutation circuit: the audio-video signal that switches doorway machine and indoor unit.
8) handfree circuit: hand-free function is provided.
9) volume control: the wave volume of control indoor set.
10) audio frequency power amplifier: audio signal is amplified to enough power, is used to promote loudspeaker and sounds.
11) ringing circuit: a tinkle of bells prompting user is provided.
12) video processing circuits: video impedance conversion, gating, video memory video switch etc.
13) TFT display module: convert vision signal to data-signal and drive the display screen demonstration.
14) video memory: record video recording, the picture and store corresponding video recording picture of taking pictures.
15) CPU: corresponding order of reception and control related circuit are done corresponding work.
16) power management module: various voltages are provided and supply with each module.
17) button and indicating circuit: the user operates each state indication.
18) external power supply: provide a power supply to complete machine.
The utility model has the following advantages:
1. realize video intercom, can also carry out the video recording of AVI form to image during the picture control state, the JPG form is taken pictures, storage Clear height, capacity are big, easy to operate; Have automatic photo function, even the people stays out, also know the visitor;
2. with the SD draw-in groove, can external SD card up to 2G, stored number is increased greatly, and can at any time read with computer;
3. can connect two doorway machine and 4 indoor sets, indoor set in the past can not connect many, even exempt from many of strong cohesiveness, and also can be big Big reduction image effect and machine works are undesired; And this product just addresses this problem, and realizes that indoor set can to indoor set Mutually call out, intercommunication, make link up between the user more convenient; With the doorway machine intercommunication time, also can turn to and exhale other indoor set, Clearer and more definite visitor;
4. employing touch key-press, machine in the past adopts mechanical generation type, and service life is low; Touching not only increases button service life, More use easy to operately, strengthen overall appearance, product specification is improved greatly;
5. the Audio and Video output port that increases, but the outside audio ﹠ video equipments such as external inspecting device, television set can increase the user's The visual field and the sense of hearing.

Claims (4)

1, a kind of video intercom entrance guard device comprises main frame and extension set, and by the serial or parallel connection martingale, described main frame is identical with extension set, can comprise according to functional module: doorway intercommunication, image demonstration, Internal call and image storage; It is characterized in that: the intercommunication of described doorway is that the MIC voice signal is entered audio frequency and video commutation circuit, external apparatus interface circuit successively by the handfree circuit processing and after amplifying, and sends into doorway machine at last; Described handfree circuit also is connected with audio frequency power amplifier with volume control successively, and the promotion loudspeaker were sounded after the audio signal that doorway machine is sent into was carried out power amplification;
Described image show be image that the doorway machine collection is come through external apparatus interface circuit, doorway commutation circuit, audio frequency switching, video processing circuits, TFT display module, drive display screen and show corresponding image;
Host CPU sent string of code and sends into CPU by extension set communication data circuit, external apparatus interface circuit at last to external apparatus interface circuit, the extension set communication data circuit of extension set when described Internal call was Internal call, CPU will judge whether to being exhaled, if for to be exhaled, CPU will control handfree circuit, audio frequency power amplifier, volume control, audio frequency is penetrated with circuit, button and indicating circuit work; Described extension set communication data circuit is used for call extension coded signal in the office for incoming and outgoing mail;
The storage of described image be picture signal that doorway machine is gathered through external apparatus interface circuit, doorway commutation circuit, audio frequency and video switch, video processing circuits, send into image memory stores at last; The design of SD draw-in groove is adopted in described image storage.
2, video intercom entrance guard device according to claim 1 is characterized in that: adopt the serial or parallel connection martingale between described main frame and the extension set, and can be connected in series or and connect three extension sets.
3, video intercom entrance guard device according to claim 1, it is characterized in that: described CPU also is connected with touch key-press.
4, video intercom entrance guard device according to claim 1, it is characterized in that: described main frame also is provided with video and audio output port, realizes the external of outside audio ﹠ video equipments such as watch-dog, television set.
CNU2009201362377U 2009-01-08 2009-01-08 Visual talkback access control device Expired - Fee Related CN201341206Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009201362377U CN201341206Y (en) 2009-01-08 2009-01-08 Visual talkback access control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009201362377U CN201341206Y (en) 2009-01-08 2009-01-08 Visual talkback access control device

Publications (1)

Publication Number Publication Date
CN201341206Y true CN201341206Y (en) 2009-11-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2009201362377U Expired - Fee Related CN201341206Y (en) 2009-01-08 2009-01-08 Visual talkback access control device

Country Status (1)

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CN (1) CN201341206Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102783725A (en) * 2012-07-26 2012-11-21 苏州汾湖电梯有限公司 Raincoat with sound amplification function
CN103067695A (en) * 2013-01-18 2013-04-24 安徽恒信通智能科技有限公司 Intelligent visible remote monitoring device
WO2015078299A1 (en) * 2013-11-27 2015-06-04 乐视致新电子科技(天津)有限公司 Smart home monitoring method, apparatus, and smart home system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102783725A (en) * 2012-07-26 2012-11-21 苏州汾湖电梯有限公司 Raincoat with sound amplification function
CN103067695A (en) * 2013-01-18 2013-04-24 安徽恒信通智能科技有限公司 Intelligent visible remote monitoring device
WO2015078299A1 (en) * 2013-11-27 2015-06-04 乐视致新电子科技(天津)有限公司 Smart home monitoring method, apparatus, and smart home system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Fujian Top Way Intelligent Science & Technology Co., Ltd.

Assignor: Lin Wen

Contract record no.: 2010350000111

Denomination of utility model: Visible intercom door inhibition apparatus with simple installation

Granted publication date: 20091104

License type: Exclusive License

Record date: 20100613

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

Granted publication date: 20091104

Termination date: 20180108