CN209002139U - Door-phone - Google Patents
Door-phone Download PDFInfo
- Publication number
- CN209002139U CN209002139U CN201821651359.5U CN201821651359U CN209002139U CN 209002139 U CN209002139 U CN 209002139U CN 201821651359 U CN201821651359 U CN 201821651359U CN 209002139 U CN209002139 U CN 209002139U
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- circuit
- electrically connected
- indoor unit
- governor
- door
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Abstract
The utility model provides a kind of door-phone, the door-phone includes governor circuit, power circuit, more than two calling detection circuits, the indoor unit interface circuit equal with calling detection circuit quantity, hand-free call integrated circuit, power amplification circuit, loudspeaker and communication conversion circuit, and power circuit provides power supply to governor circuit, each calling detection circuit, each indoor unit interface circuit, hand-free call integrated circuit, power amplification circuit, loudspeaker and communication conversion circuit；Each calling detection circuit is electrically connected with governor circuit；Each indoor unit interface circuit is electrically connected with hand-free call integrated circuit；Hand-free call integrated circuit is electrically connected with governor circuit and power amplification circuit respectively, and power amplification circuit is electrically connected with loudspeaker；Communication conversion circuit is electrically connected with governor circuit and each indoor unit interface circuit respectively.It can be convenient for the user to operate using the door-phone of the utility model.
Description
Technical field
The utility model relates to building speakerphone technical fields, specifically, being related to a kind of door-phone.
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 intercom machine by setting intercom and intercom 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.In access control system use process, for the ease of user
It is operated with, usually in R & D design, how to make client can more operation readiness.
Summary of the invention
The main purpose of the utility model is to provide a kind of user-friendly door-phone.
In order to achieve the above-mentioned main objectives, door-phone provided by the utility model include governor circuit, power circuit,
More than two calling detection circuits, the indoor unit interface circuit equal with calling detection circuit quantity, hand-free call integrated circuit,
Power amplification circuit, loudspeaker and communication conversion circuit, power circuit is to governor circuit, each calling detection circuit, every
One indoor unit interface circuit, hand-free call integrated circuit, power amplification circuit, loudspeaker and communication conversion circuit provide electricity
Source；Each calling detection circuit is electrically connected with governor circuit；Each indoor unit interface circuit is integrated with hand-free call
Circuit electrical connection；Hand-free call integrated circuit is electrically connected with governor circuit and power amplification circuit respectively, power amplification circuit with
Loudspeaker electrical connection；Communication conversion circuit is electrically connected with governor circuit and each indoor unit interface circuit respectively.
By above scheme as it can be seen that the door-phone of the utility model passes through setting multiway calling detection circuit and correspondence
The indoor unit interface circuit of quantity can be to corresponding when governor circuit gets the detection signal of any calling detection circuit
Indoor unit interface circuit sends signal of communication, to realize the corresponding indoor unit interface circuit of a calling detection circuit, just
It is called in user, so that user is avoided to need to input the trouble that combination button is called, it is convenient for the user to operate.
In further embodiment, calling detection circuit includes key switch and the first NPN triode, the first NPN triode
Base stage be electrically connected with key switch, the collector of the first NPN triode is electrically connected with governor circuit.
It can be seen that calling detection circuit, which is sent by key switch to governor circuit, presses key control signal, it is convenient for master control
Which calling detection circuit of circuit judges carries out call operation.
In further embodiment, indoor unit interface circuit includes indoor unit interface, the first PNP triode, tri- pole the 2nd NPN
Pipe, the collector of the first PNP triode are electrically connected with indoor unit interface, and the emitter of the first PNP triode is electric with power supply respectively
Road and the electrical connection of hand-free call integrated circuit, the base stage of the first PNP triode are electrically connected with the collector of the second NPN triode,
The base stage of second NPN triode is electrically connected with governor circuit, the emitter ground connection of the second NPN triode.
It can be seen that indoor unit interface circuit passes through the first PNP triode of setting and the second NPN triode, for controlling
Transmission of speech information between hand-free call integrated circuit and indoor unit interface realizes that same route can carry out the hair of voice messaging
It send and receives, convenient for simplifying circuit structure.
In further embodiment, communication conversion circuit includes the second PNP triode, third NPN triode and communication output
End, the base stage of the second PNP triode are electrically connected with governor circuit, and the emitter of the second PNP triode is electrically connected with power circuit,
The collector of second PNP triode is electrically connected with communication output, and collector and the governor circuit of third NPN triode are electrically connected
It connects, the emitter ground connection of third NPN triode, the base stage of third NPN triode is electrically connected with communication output, communication output
It is electrically connected respectively with each indoor unit interface circuit.
It can be seen that communication conversion circuit realizes both-end port communications by the second PNP triode and third NPN triode
With the conversion of single-ended port communications, the port setting of indoor unit interface circuit can be reduced, convenient for wiring installation.
In further embodiment, door-phone further includes unlocking control circuit, unlocking control circuit and governor circuit electricity
Connection.
It can be seen that can be convenient for the switch control of electric lockset by setting unlocking control circuit, be provided for user
It is convenient.
In further scheme, door-phone further includes the indicator light circuit equal with calling detection circuit quantity, each
A indicator light circuit is electrically connected with governor circuit respectively.
It can be seen that in order to allow user when using call function convenient for knowing whether the intercom of calling correct,
The utility model is provided with the corresponding every calling detection circuit all the way of indicator light circuit, when any road calling detection circuit is called
When, corresponding indicator light circuit can corresponding bright light indicated.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram of the utility model door-phone embodiment.
Fig. 2 is the circuit diagram of calling detection circuit in the utility model door-phone embodiment.
Fig. 3 is the circuit diagram of indoor unit interface circuit in the utility model door-phone embodiment.
Fig. 4 is the circuit diagram of the utility model door-phone embodiment.
Fig. 5 is the circuit diagram that conversion circuit is communicated in the utility model door-phone embodiment.
Fig. 6 is the circuit diagram of unlocking control circuit in the utility model door-phone embodiment.
Fig. 7 is the circuit diagram of indicator light circuit in the utility model door-phone 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 door-phone of the utility model includes governor circuit 1, power circuit 2, more than two callings
Detection circuit 3, the indoor unit interface circuit 4 equal with 3 quantity of calling detection circuit, hand-free call integrated circuit 5, power amplification
Circuit 6, loudspeaker 7 and communication conversion circuit 8.Power circuit 2 is to governor circuit 1, each calling detection circuit 3, each
A indoor unit interface circuit 4, hand-free call integrated circuit 5, power amplification circuit 6, loudspeaker 7 and communication conversion circuit 8 mention
Power supply source.Preferably, power circuit 2 uses the power management chip of MP1470 model.Each calling detection circuit 3 with master
It controls circuit 1 to be electrically connected, each indoor unit interface circuit 4 is electrically connected with hand-free call integrated circuit 5, the integrated electricity of hand-free call
Road 5 is connect with governor circuit 1 and power amplification circuit electricity 6 respectively, and power amplification circuit 6 is electrically connected with loudspeaker 7.Communication conversion
Circuit 8 is electrically connected with governor circuit 1 and each indoor unit interface circuit 4 respectively.
Referring to fig. 2, calling detection circuit 3 includes key switch SW and the first NPN triode Q1, the first NPN triode Q1
Base stage be electrically connected with key switch SW, the collector of the first NPN triode Q1 is electrically connected with governor circuit 1, tri- pole the first NPN
The emitter of pipe Q1 is grounded.When key switch SW is pressed, the base stage of the first NPN triode Q1 gets high level conducting, from
And governor circuit 1 is got by key control signal.Governor circuit 1 can judge which calling is examined according to by key control signal
Slowdown monitoring circuit 3 is being operated.
Referring to Fig. 3, indoor unit interface circuit 4 includes indoor unit interface J1, the first PNP triode Q2, the second NPN triode
The collector of Q3, the first PNP triode Q2 are electrically connected with indoor unit interface J1, the emitter of the first PNP triode Q2 respectively with
Power circuit 2 and hand-free call integrated circuit 5 are electrically connected, the collection of the base stage of the first PNP triode Q2 and the second NPN triode Q3
Electrode electrical connection, the base stage of the second NPN triode Q3 are electrically connected with governor circuit 1, and the emitter of the second NPN triode Q3 connects
Ground.When indoor unit interface circuit 4 needs work, governor circuit 1 sends high level signal to the base stage of the second NPN triode Q3,
The second NPN triode Q3 is connected, thus the first PNP triode Q2 of conducting, and then hand-free call integrated circuit 5 can be to indoor unit
Interface J1 sends audio-frequency information, and the audio-frequency information got from intercom can also be sent to hands-free logical by indoor unit interface J1
Talk about integrated circuit 5.
Referring to fig. 4, hand-free call integrated circuit 5 is electrically connected by terminal MIC_EN with governor circuit 1, and hand-free call is integrated
Circuit 5 is electrically connected by terminal AUDIO with each indoor unit interface circuit 4.When being conversed, governor circuit 1 pass through to
The terminal MIC_EN of hand-free call integrated circuit 5 sends control signal, and control microphone MIC obtains audio signal, hand-free call
Integrated circuit 5 handle to the audio signal got and audio signal is sent to indoor unit interface circuit 4 by treated.
Meanwhile intercom can send audio signal, hand-free call to hand-free call integrated circuit 5 by indoor unit interface circuit 4
Integrated circuit 5 plays intercom to power amplification circuit 6 is sent to after the Audio Signal Processing got, by loudspeaker 7
The audio-frequency information sended over is held, to realize the call of intercom and doorway machine.In the present embodiment, hand-free call is integrated
Circuit 5 uses the hand-free call integrated circuit of MC34118 model, and power amplification circuit 7 uses the power amplification of SGM4890 model
Device.
By can be seen that in Fig. 4, door-phone is additionally provided with enabled control circuit 61.Enabled control circuit 61 includes NPN
The base stage of triode Q4, NPN triode Q4 are electrically connected with governor circuit 1, the collector of NPN triode Q4 respectively with power circuit
2 and power amplification circuit 6 enable end electrical connection, power amplification circuit 6 emitter ground connection.Governor circuit 1 can be by enabled
Control circuit 61 sends enable signal to power amplification circuit 6, and control power amplification circuit 6 enables.
Referring to Fig. 5, communicating conversion circuit 8 includes the second PNP triode Q5, third NPN triode Q6 and communication output
The base stage of DATA, the second PNP triode Q5 are electrically connected with governor circuit 1, the emitter and power circuit of the second PNP triode Q5
2 electrical connections, the collector of the second PNP triode Q5 are electrically connected with communication output DATA, the collector of third NPN triode Q6
It is electrically connected respectively with governor circuit 1 and power circuit 2, the emitter ground connection of third NPN triode Q6, third NPN triode Q6
Base stage be electrically connected with communication output DATA, communication output DATA is electrically connected with each indoor unit interface circuit 4 respectively.
When sending signal, governor circuit 1 sends signal of communication to the base stage of the second PNP triode Q5, and communication conversion circuit 8 passes through logical
Letter output end DATA sends signal of communication to communicating indoor unit interface circuit 4.When receiving signal, communication output
DATA obtains the signal of communication of indoor unit interface circuit 4 and is sent to the base stage of third NPN triode Q6, and governor circuit 1 is from the
The collector of three NPN triode Q6 obtains the signal of communication that indoor unit interface circuit 4 is sent.It communicates conversion circuit 8 and passes through second
PNP triode Q5 and third NPN triode Q6 realizes the conversion of both-end port communications and single-ended port communications.
Referring to Fig. 6, unlocking control circuit 9 includes NPN triode Q7, relay RL1 and unlocking circuit interface J2, NPN
The base stage of triode Q7 is electrically connected with governor circuit 1, the emitter of NPN triode Q7 ground connection, the collector of NPN triode Q7 with
The ground terminal of relay RL1 is electrically connected, and the output end of relay RL1 is electrically connected with unlocking circuit interface J2.Carry out unlock or
When lock operation, governor circuit 1 sends control signal of unlocking to NPN triode Q7, and relay RL1 is made to power on or power off, thus
Control is opened or closed with the unlocking circuit interface J2 electronic lock being electrically connected.
As shown in Figure 1, door-phone further includes indicator light circuit group 10.Wherein, indicator light circuit group 10 includes and exhales
The indicator light circuit for making 3 quantity of detection circuit equal, each indicator light circuit are electrically connected with governor circuit 1 respectively.Referring to figure
7, indicator light circuit includes NPN triode Q8 and Light-emitting diode LED, and base stage and the governor circuit 1 of NPN triode Q8 is electrically connected
It connects, the emitter ground connection of NPN triode Q8, the collector of NPN triode Q8 is electrically connected with the cathode of Light-emitting diode LED, sends out
The anode of optical diode LED is electrically connected with power circuit 2.Indicator light circuit is correspondingly arranged with calling detection circuit 3, every to exhale all the way
Detection circuit 3 is made to be correspondingly arranged on indicator light circuit all the way, when any road calling detection circuit 3 is called, corresponding finger
Indication lamp circuit can corresponding bright light indicated.
It can be seen from the above, the door-phone of the utility model passes through setting multiway calling detection circuit 3 and corresponding number
The indoor unit interface circuit 4 of amount can be to corresponding when governor circuit 1 gets the detection signal of any calling detection circuit 3
Indoor unit interface circuit 4 sends signal of communication, thus realize the corresponding indoor unit interface circuit 4 of a calling detection circuit 2,
It is called convenient for user, so that user is avoided to need to input the trouble that combination button is called, it is convenient for the user to operate.
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 (6)
1. a kind of door-phone, it is characterised in that: including
Governor circuit, power circuit, more than two calling detection circuits, the indoor unit equal with the calling detection circuit quantity
Interface circuit, hand-free call integrated circuit, power amplification circuit, loudspeaker and communication conversion circuit, the power circuit to
The governor circuit, each described calling detection circuit, each described indoor unit interface circuit, the hand-free call are integrated
Circuit, the power amplification circuit, the loudspeaker and the communication conversion circuit provide power supply；
Each described calling detection circuit is electrically connected with the governor circuit；
Each described indoor unit interface circuit is electrically connected with the hand-free call integrated circuit；
The hand-free call integrated circuit is electrically connected with the governor circuit and the power amplification circuit respectively, and the power is put
Big circuit is electrically connected with the loudspeaker；
The communication conversion circuit is electrically connected with the governor circuit and each described indoor unit interface circuit respectively.
2. door-phone according to claim 1, it is characterised in that:
The calling detection circuit includes key switch and the first NPN triode, the base stage of first NPN triode with it is described
Key switch electrical connection, the collector of first NPN triode are electrically connected with the governor circuit.
3. door-phone according to claim 1, it is characterised in that:
The indoor unit interface circuit includes indoor unit interface, the first PNP triode, the second NPN triode, the first PNP
The collector of triode is electrically connected with the indoor unit interface, the emitter of first PNP triode respectively with the power supply
Circuit and hand-free call integrated circuit electrical connection, the base stage of first PNP triode and second NPN triode
Collector electrical connection, the base stage of second NPN triode are electrically connected with the governor circuit, second NPN triode
Emitter ground connection.
4. door-phone according to any one of claims 1 to 3, it is characterised in that:
The communication conversion circuit includes the second PNP triode, third NPN triode and communication output, the 2nd PNP tri-
The base stage of pole pipe is electrically connected with the governor circuit, and the emitter of second PNP triode is electrically connected with the power circuit,
The collector of second PNP triode is electrically connected with the communication output, the collector of the third NPN triode and institute
State governor circuit electrical connection, the third NPN triode emitter ground connection, the base stage of the third NPN triode with it is described
Communication output electrical connection, the communication output are electrically connected with indoor unit interface circuit described in each respectively.
5. door-phone according to any one of claims 1 to 3, it is characterised in that:
The door-phone further includes unlocking control circuit, and the unlocking control circuit is electrically connected with the governor circuit.
6. door-phone according to any one of claims 1 to 3, it is characterised in that:
The door-phone further includes the indicator light circuit equal with the calling detection circuit quantity, each described instruction
Circuit for lamp is electrically connected with the governor circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651359.5U CN209002139U (en) | 2018-10-11 | 2018-10-11 | Door-phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651359.5U CN209002139U (en) | 2018-10-11 | 2018-10-11 | Door-phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209002139U true CN209002139U (en) | 2019-06-18 |
Family
ID=66803465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821651359.5U Active CN209002139U (en) | 2018-10-11 | 2018-10-11 | Door-phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209002139U (en) |
-
2018
- 2018-10-11 CN CN201821651359.5U patent/CN209002139U/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. |
|
| CP01 | Change in the name or title of a patent holder |