CN208386801U - A kind of building visual intercom - Google Patents
A kind of building visual intercom Download PDFInfo
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- CN208386801U CN208386801U CN201821076935.8U CN201821076935U CN208386801U CN 208386801 U CN208386801 U CN 208386801U CN 201821076935 U CN201821076935 U CN 201821076935U CN 208386801 U CN208386801 U CN 208386801U
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- circuit
- governor
- electrically connected
- unlocking
- visual intercom
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Abstract
The utility model provides a kind of building visual intercom, including governor circuit, power circuit, video input switching circuit, video display circuit, audio frequency processing circuit, touch key-press circuit and unlocking control circuit；Video input switching circuit obtains the vision signal of multichannel external equipment and vision signal is sent to governor circuit, and vision signal is sent to video display circuit by governor circuit；Touch key-press circuit sends to governor circuit and presses key control signal；Governor circuit sends control signal of unlocking to unlocking control circuit；Audio frequency processing circuit includes audio input end, hand-free call integrated circuit, volume control circuit and power amplification circuit and loudspeaker, audio input end is electrically connected with hand-free call integrated circuit, hand-free call integrated circuit is electrically connected with governor circuit and volume control circuit respectively, and power amplification circuit is electrically connected with governor circuit, volume control circuit and loudspeaker respectively.Video and voice communication can be realized using the utility model.
Description
Technical field
The utility model relates to building speakerphone technical fields, specifically, being related to a kind of building visual intercom.
Background technique
With the development of society, modern building are built up in the form of high-level form or villa, therefore, if there is visitor
When people visits, how easily knowing the information of visiting people and carrying out unlocking operation becomes problem to be solved.
To solve the above-mentioned problems, access control system is come into being, by access control system, user can easily know the information of visitor with
And it opens the door for visitor, while can also ensure the safety of resident.
Existing access control system can pass through outdoor talkback machine by setting intercom and outdoor talkback machine, visiting subscriber
It is called to intercom, indoor user can be answered by intercom, and the enabling being arranged by intercom
Key carries out opening door operation, and it is convenient that high degree is that user provides.But at present many existing intercoms be only can be with
Call conversation is carried out, without can be carried out video communication, function is more dull, and user experience is bad.
Summary of the invention
The main purpose of the utility model is to provide a kind of building visual intercom that can carry out video and voice communication.
In order to achieve the above-mentioned main objectives, building visual intercom provided by the utility model includes governor circuit, power supply
Circuit, video input switching circuit, video display circuit, audio frequency processing circuit, touch key-press circuit and unlocking control circuit,
Power circuit to governor circuit, video input switching circuit, video display circuit, audio frequency processing circuit, touch key-press circuit with
And unlocking control circuit provides power supply, video input switching circuit, video display circuit, audio frequency processing circuit, touch key-press electricity
Road and unlocking control circuit are electrically connected with governor circuit respectively；The video of video input switching circuit acquisition multichannel external equipment
Vision signal is simultaneously sent to governor circuit by signal, and vision signal is sent to video display circuit by governor circuit；Touch key-press
Circuit sends to governor circuit and presses key control signal；Governor circuit sends control signal of unlocking to unlocking control circuit；At audio
Managing circuit includes audio input end, hand-free call integrated circuit, volume control circuit and power amplification circuit and loudspeaker, sound
Frequency input terminal is electrically connected with hand-free call integrated circuit, hand-free call integrated circuit respectively with governor circuit and volume control circuit
Electrical connection, power amplification circuit are electrically connected with governor circuit, volume control circuit and loudspeaker respectively.
By above scheme as it can be seen that the building visual intercom of the utility model passes through setting video display circuit and audio
Circuit is managed, realizes the function of video calling, meanwhile, the view that multichannel external equipment is inputted by the way that video input switching circuit is arranged
Frequency signal switches over, and the monitor video of each road external equipment is checked convenient for user.In addition, audio frequency processing circuit setting is hands-free logical
Integrated circuit, power amplification circuit are talked about, audio-frequency information can be handled, make audio frequency effect more preferably, improves speech quality.
In further embodiment, unlocking control circuit includes NPN triode, relay and unlocking circuit interface, NPN tri-
The base stage of pole pipe is electrically connected with governor circuit, and the collector of NPN triode is electrically connected with relay, the output end of relay with open
The electrical connection of lock circuit interface.
It can be seen that carrying out unlocking control by setting triode and relay, the response speed for control of unlocking can be improved,
Improve user experience.
In further embodiment, building visual intercom further includes camera shooting head switching circuit, images head switching circuit and master
Control circuit electrical connection.
It can be seen that setting camera shooting head switching circuit can carry out switch control to camera, when needing using camera
Just open camera.
In further embodiment, building visual intercom further includes storage circuit, and storage circuit is electrically connected with governor circuit.
It can be seen that setting storage circuit, can be used for storing data, for example, storage userspersonal information, video calling letter
Breath etc..
In further embodiment, building visual intercom further includes indicator light circuit, indicator light circuit and governor circuit electricity
Connection.
It can be seen that may be used to indicate the current working condition of intercom by setting indicator light circuit, being obtained convenient for user
Know the service condition of current intercom.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram of the utility model building visual intercom embodiment.
Fig. 2 is the circuit diagram of the utility model building visual intercom embodiment sound intermediate frequency processing circuit.
Fig. 3 is the circuit diagram of unlocking control circuit in the utility model building visual intercom embodiment.
Fig. 4 is the circuit diagram that head switching circuit is imaged in the utility model building visual intercom embodiment.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
As shown in Figure 1, the building visual intercom of the utility model includes governor circuit 1, power circuit 2, video input
Switching circuit 3, video display circuit 4, audio frequency processing circuit 5, touch key-press circuit 6, unlocking control circuit 7, camera switch
Circuit 8, storage circuit 9 and indicator light circuit 10, power circuit 2 are shown to governor circuit 1, video input switching circuit 3, video
Circuit 4, touch key-press circuit 6, unlocking control circuit 7, images head switching circuit 8, storage circuit 9 and refers at audio frequency processing circuit 5
Indication lamp circuit 10 provides power supply, video input switching circuit 3, video display circuit 4, audio frequency processing circuit 5, touch key-press circuit
6, unlocking control circuit 7, camera shooting head switching circuit 8, storage circuit 9 and indicator light circuit 10 are electrically connected with governor circuit 1 respectively.
Preferably, governor circuit 1 uses the main control chip of T582 model.
Video input switching circuit 3 obtains the vision signal of multichannel external equipment (not shown) and is sent to vision signal
Vision signal is sent to video display circuit 4 by governor circuit 1, governor circuit 1.Governor circuit 1 switches electricity by video input
Road 3 controls the vision signal input of external equipment, convenient for switching checking monitoring video.In the present embodiment, video input switching electricity
Road 3 carries out the vision signal input of external equipment using the bilateral analog switch of CD4066 model.Video display circuit 4 uses
The LCD display of TN93 model.Wherein external equipment can be mounted in the intercom of outdoor transmittable video data, camera shooting
Head etc..
Referring to fig. 2, audio frequency processing circuit 5 includes audio input end MIC, hand-free call integrated circuit U1, volume control electricity
Road U2 and power amplification circuit U3 and loudspeaker SPK, audio input end MIC are electrically connected with hand-free call integrated circuit U1, exempt from
Mention call integrated circuit U1 be electrically connected respectively with governor circuit 1 and volume control circuit U2, power amplification circuit U3 respectively with master
Control circuit 1, volume control circuit U2 and loudspeaker SPK electrical connection.Audio input end MIC is sent to hand-free call integrated circuit U1
Audio signal can be sent to governor circuit 1 by audio signal, hand-free call integrated circuit U1, and governor circuit 1 is by audio input end
The audio signal of MIC input is sent to external equipment.Governor circuit 1 can receive the audio signal of external equipment, pass through volume control
Circuit U 2 processed and power amplification circuit U3 handle the audio signal of external equipment and are sent to loudspeaker SPK.Pass through sound
Frequency processing circuit 5, user carry out voice communication, and play out to the received voice data of governor circuit 1, thus realize with it is outer
Equipment is connect to engage in the dialogue.In the present embodiment, hand-free call integrated circuit U1 is integrated electric using the hand-free call of MC34118 model
Road, volume control circuit U2 use the volume control chip of M62429 model, and power amplification circuit U3 uses the function of LM386 model
Rate amplifier.
In addition, being provided with PNP between the output end of hand-free call integrated circuit U1 and the input terminal of volume control circuit U2
Triode Q1.The base stage of PNP triode Q1 is electrically connected with governor circuit 1, and the collector and hand-free call of PNP triode Q1 is integrated
The output end of circuit U 1 is electrically connected, and the emitter of PNP triode Q1 is electrically connected with the input terminal of volume control circuit U2.Master control electricity
By sending control signal to PNP triode Q1, control hand-free call integrated circuit U1 sends sound to volume control circuit U2 on road 1
Frequency signal.Power amplification circuit U3 is provided with enable end, and the enable end of power amplification circuit U3 passes through NPN triode Q2 and master control
Circuit 1 is electrically connected, and governor circuit 1 can control signal by making to NPN triode Q2 transmission, and control power amplification circuit U3's makes
Energy.
Touch key-press circuit 6 sends to governor circuit 1 and presses key control signal.In the present embodiment, touch key-press circuit 6 is used
The touch key-press of FTC334C model handles chip.Touch key-press circuit 6 is believed by obtaining the touching of touch key-press (not shown)
Number, and sent to governor circuit 1 and press key control signal, governor circuit 1 can carry out function control, example according to by key control signal
Such as, the size of volume is controlled, the vision signal of external equipment input is switched over, carries out unlocking control etc..
Referring to Fig. 3, unlocking control circuit 7 includes NPN triode Q3, relay RL1 and unlocking circuit interface J1, NPN
The base stage of triode Q3 is electrically connected with governor circuit 1, and the collector of NPN triode Q3 is electrically connected with relay RL1, relay
The output end of RL1 is electrically connected with unlocking circuit interface J1.Governor circuit 1 sends control signal of unlocking, control to unlocking control circuit 7
Relay RL1's processed is opened or closed, thus the door lock that control is electrically connected with unlocking circuit interface J1.
Referring to fig. 4, camera shooting head switching circuit 8 is provided with multi-path camera switching branches, switchs branch by multi-path camera
Road controls different cameras respectively and works.In the present embodiment, camera shooting head switching circuit 8 includes camera switching branches 81
With camera switching branches 82.Camera switching branches 81 include NPN triode Q4 and PNP triode Q5, NPN triode Q4's
Base stage is electrically connected by terminal EN3 with governor circuit 1, the emitter ground connection of NPN triode Q4, the collector of NPN triode Q4
Be electrically connected respectively with the emitter of the base stage of PNP triode Q5 and PNP triode Q5, the emitter of PNP triode Q5 passes through
Terminal INO is electrically connected with power circuit 2, and the collector of PNP triode Q5 is by terminal CAM1 output control signal, for controlling
With the work of the terminal CAM1 camera being electrically connected.Camera switching branches 82 include NPN triode Q6 and PNP triode Q7,
The base stage of NPN triode Q6 is electrically connected by terminal EN4 with governor circuit 1, the emitter ground connection of NPN triode Q6, tri- pole NPN
The collector of pipe Q6 be electrically connected respectively with the emitter of the base stage of PNP triode Q7 and PNP triode Q7, PNP triode Q7
Emitter be electrically connected with power circuit 2 by terminal INO, the collector of PNP triode Q7 is exported by terminal CAM2 to be controlled
Signal, for controlling and the work of the terminal CAM2 camera being electrically connected.
From figure 1 it appears that storage circuit 9 is electrically connected with governor circuit 1, storage circuit 9 is for obtaining governor circuit 1
Transmitted storing data.For example, the data such as video data, audio data, client personal information can be stored in by governor circuit 1
In storage circuit 9, meanwhile, governor circuit 1 can also be read out storing data, so as to user's access etc..Optionally, storage electricity
Road 9 may include built-in memory and pluggable memory, wherein built-in memory can be used for storing operation program, client
Information data etc., pluggable memory can be used for storing the data such as video data, audio data, be moved to data convenient for user
Other equipment use.
It can further be seen from figure 1 that indicator light circuit 10 is electrically connected with governor circuit 1, governor circuit 1 can be to indicator light electricity
Road 10 sends instruction control signal, knows the current working condition of intercom convenient for user.
It can be seen from the above, the building visual intercom of the utility model passes through setting video display circuit and audio processing electricity
The function of video calling is realized on road, meanwhile, the video that multichannel external equipment inputs is believed by setting video input switching circuit
It number switches over, the monitor video of each road external equipment is checked convenient for user.In addition, hand-free call collection is arranged in audio frequency processing circuit
At circuit, power amplification circuit, audio-frequency information can be handled, audio frequency effect is made more preferably to provide speech quality.
It should be noted that the above is only the preferred embodiment of the utility model, but the design concept invented is not limited to
It is all to conceive the insubstantial modifications made to the utility model using this in this, also each fall within the protection scope of the utility model
Within.
Claims (5)
1. a kind of building visual intercom, it is characterised in that: including governor circuit, power circuit, video input switching circuit, view
Frequency display circuit, audio frequency processing circuit, touch key-press circuit and unlocking control circuit, the power circuit are electric to the master control
Road, the video input switching circuit, the video display circuit, the audio frequency processing circuit, the touch key-press circuit with
And the unlocking control circuit provides power supply, the video input switching circuit, the video display circuit, the audio processing
Circuit, the touch key-press circuit and the unlocking control circuit are electrically connected with the governor circuit respectively；
The video input switching circuit obtains the vision signal of multichannel external equipment and is sent to the vision signal described
The vision signal is sent to the video display circuit by governor circuit, the governor circuit；
The touch key-press circuit sends to the governor circuit and presses key control signal；
The governor circuit sends control signal of unlocking to the unlocking control circuit；
The audio frequency processing circuit includes audio input end, hand-free call integrated circuit, volume control circuit and power amplification electricity
Road and loudspeaker, the audio input end are electrically connected with the hand-free call integrated circuit, the hand-free call integrated circuit
It is electrically connected respectively with the governor circuit and the volume control circuit, the power amplification circuit is electric with the master control respectively
Road, the volume control circuit and loudspeaker electrical connection.
2. building visual intercom according to claim 1, it is characterised in that:
The unlocking control circuit includes NPN triode, relay and unlocking circuit interface, the base stage of the NPN triode
It is electrically connected with the governor circuit, the collector of the NPN triode is electrically connected with the relay, the output of the relay
End is electrically connected with the unlocking circuit interface.
3. building visual intercom according to claim 1 or 2, it is characterised in that:
The building visual intercom further includes camera shooting head switching circuit, the camera shooting head switching circuit and governor circuit electricity
Connection.
4. building visual intercom according to claim 1 or 2, it is characterised in that:
The building visual intercom further includes storage circuit, and the storage circuit is electrically connected with the governor circuit.
5. building visual intercom according to claim 1 or 2, it is characterised in that:
The building visual intercom further includes indicator light circuit, and the indicator light circuit is electrically connected with the governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076935.8U CN208386801U (en) | 2018-07-06 | 2018-07-06 | A kind of building visual intercom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076935.8U CN208386801U (en) | 2018-07-06 | 2018-07-06 | A kind of building visual intercom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208386801U true CN208386801U (en) | 2019-01-15 |
Family
ID=64963200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821076935.8U Active CN208386801U (en) | 2018-07-06 | 2018-07-06 | A kind of building visual intercom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208386801U (en) |
-
2018
- 2018-07-06 CN CN201821076935.8U patent/CN208386801U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 room 501b, building 6, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Guangdong Boke Electronic Technology Co.,Ltd. Address before: 519000 room 501b, building 6, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI BCOM ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |