CN201063772Y - Wireless visible doorbell - Google Patents
Wireless visible doorbell Download PDFInfo
- Publication number
- CN201063772Y CN201063772Y CNU2007201124011U CN200720112401U CN201063772Y CN 201063772 Y CN201063772 Y CN 201063772Y CN U2007201124011 U CNU2007201124011 U CN U2007201124011U CN 200720112401 U CN200720112401 U CN 200720112401U CN 201063772 Y CN201063772 Y CN 201063772Y
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Abstract
A wireless visible doorbell comprises an outdoor unit and an indoor unit, wherein, the outdoor unit and the indoor unit are in wireless transmission connection; the outdoor unit comprises a doorbell button, a first wireless emitting-receiving module and an unlocking circuit controlling electric lock; the indoor unit comprises a second wireless emitting-receiving module, a doorbell alarming circuit and an unlocking button; the outdoor unit also comprises a first address decoding circuit used to encode wireless signals according addresses and a video camera; a signal output end of the video camera is connected with the first wireless emitting-receiving module; the first wireless emitting-receiving module is connected with the first address decoding circuit; the indoor unit also comprises a second address decoding circuit used to decode received signals and an image display circuit used to display received image data; the image display circuit is connected with a display. The utility model provides a wireless visible doorbell with visual function and high intelligence.
Description
(1) technical field
The utility model relates to a kind of doorbell, especially a kind of wireless doorbell.
(2) background technology
In recent years along with the intelligent needs of building of building, the intelligent construction all adopted in many residential quarters, doorbell has become the intelligent building inalienable part, the doorbell of the overwhelming majority adopts wired mode now, installation and maintenance is very inconvenient, have Line Doorbell need plan wiring, need to drop into lot of manpower and material resources, it also is the thing that bothers very much that doorbell is safeguarded.There are indivedual doorbells to adopt wireless modes now, but the doorbell signal can only be arranged, can not video intercom, intelligent low.
(3) summary of the invention
For overcome existing wireless doorbell function singleness, do not have visual function, intelligent low deficiency, the utility model provides a kind of have visual function, intelligent high radio visual doorbell.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of radio visual doorbell, comprise off-premises station, indoor set, described off-premises station is connected with the indoor set wireless transmission, described off-premises station comprises bell button, the first wireless transmission receiver module and with control electric control lock unlock circuit, described indoor set comprises the second wireless transmission receiver module, the doorbell warning circuit, unlock button, described off-premises station also comprises and is used for first address decoding circuitry that wireless signal is encoded according to the address, video camera, the signal output part of described video camera connects the first wireless transmission receiver module, and the described first wireless transmission receiver module connects described first address decoding circuitry; Described indoor set also comprises second address decoding circuitry that is used for the signal that receives is decoded, with the image displaying circuit that the view data that receives shows, described image displaying circuit connects display.
Further, described off-premises station comprises second button, the delay circuit that cooperates with second button; Described second button and bell button interlock.
Further, described indoor set comprises that also first microphone, first loudspeaker, first voice pick up circuit, described first microphone connects first voice and picks up circuit, described first voice are picked up circuit and are connected the second wireless transmission receiver module, described off-premises station comprises that also second microphone, second loudspeaker, second voice pick up circuit, described second microphone connects second voice and picks up circuit, and described second voice are picked up circuit and connected the second wireless transmission receiver module.
Technical conceive of the present utility model is: Fig. 1 is the theory diagram of wireless visible entryphone, this equipment divides off-premises station and indoor set, press the off-premises station bell button as the people, indoor owner can hear doorbell " ding-dong " sound, and opening the indoor set display power supply automatically, indoor owner can clearly see outdoor visitor and hang on and outdoor visitor's dialogue.All signals and audio frequency and video all-pass are crossed the wireless mode transmission, and circuit adopts three public wireless frequency: 315MHZ, 2.4GHZ, 100MHZ altogether.
The beneficial effects of the utility model mainly show: 1, have visual function, intelligent high; Can carry out intercommunication function.
(4) description of drawings
Fig. 1 is the theory diagram of radio visual doorbell of the present utility model.
Fig. 2 is the circuit diagram of off-premises station.
Fig. 3 is the circuit diagram of indoor set.
Fig. 4 is the circuit diagram of 2.4GHZ base band demodulating plate.
Fig. 5 is the circuit diagram of voice transmission circuit.
Fig. 6 is the circuit diagram of voice receiving circuit.
Fig. 7 is the circuit diagram of 2.4G radiating circuit.
(5) embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1, Fig. 2, a kind of radio visual doorbell, comprise off-premises station 1, indoor set 2, described off-premises station 1 is connected with indoor set 2 wireless transmission, described off-premises station 1 comprises bell button 3, the first wireless transmission receiver module 4 and with control electric control lock unlock circuit, described indoor set 1 comprises the second wireless transmission receiver module 5, the doorbell warning circuit, unlock button, described off-premises station 1 also comprises and is used for first address decoding circuitry 11 that wireless signal is encoded according to the address, video camera 6, the signal output part of described video camera 6 connects the first wireless transmission receiver module 4, and the described first wireless transmission receiver module 4 connects described first address decoding circuitry; Described indoor set 2 also comprises second address decoding circuitry 12 that is used for the signal that receives is decoded, with the image displaying circuit that the view data that receives shows, described image displaying circuit connects display 7.
Described off-premises station 1 comprises second button, the delay circuit that cooperates with second button; Described second button and bell button interlock.Described indoor set 1 comprises that also first microphone 7, first loudspeaker 8, first voice pick up circuit, described first microphone 7 connects first voice and picks up circuit, described first voice are picked up circuit and are connected the first wireless transmission receiver module 4, described off-premises station 2 comprises that also second microphone 9, second loudspeaker 10, second voice pick up circuit, described second microphone 9 connects second voice and picks up circuit, and described second voice are picked up circuit and connected the second wireless transmission receiver module 5.
Fig. 1 is the theory diagram of radio visual doorbell, this equipment divides off-premises station and indoor set, press the off-premises station bell button as the people, indoor owner can hear doorbell " ding-dong " sound, and opening the indoor set display power supply automatically, indoor owner can clearly see outdoor visitor and hang on and outdoor visitor's dialogue.All signals and audio frequency and video all-pass are crossed the wireless mode transmission, and circuit adopts three public wireless frequency: 315MHZ, 2.4GHZ, 100MHZ altogether.
Fig. 2 is the off-premises station circuit, two push-button switches are bell buttons, press push-button switch when the visitor is visiting, and power supply is leaded up to the S2 button and powered to encoding transmitting circuit, launch the code signal of 315MHZ, charge to 10 μ F timing capacitors (C8) by IN4148 (D1) simultaneously.Another road of power supply powers to delay circuit by the S1 button, and relay (RY1A) gets electric adhesive, the closed self-insurance in its contact (RY1B).Simultaneously LM386 (U4) form the voice inspection pick up circuit, video camera and 2.4GHZ transmitter module (U6) all electric work, transmitter module is launched the high-frequency signal that modulated by the AV signal.Behind the release button, the 315MHZ code signal stops emission, but because timing capacitor (C8) has been filled with electric charge, so relay J (RY1A) just discharges after still can keeping about 60 seconds, relay discharges the back circuit and all turn-offs, and returns to initial condition.
Fig. 3 is 315MHZ code signal receiving demodulation and control circuit.The 315MHZ code signal through height put with the superregenerative demodulation after remove to trigger musical film (U3) by PT2272 (U2) decoding output one high level, send the doorbell sound of " ding-dong, ding-dong ".Simultaneously, ringing signal is connected control circuit, relay J (RY1A) action, 2.4G receiver module (U6) power connection, liquid crystal or television set general supply (J1) connection work.Also be provided with delay circuit in this control circuit, after about 55 seconds, relay (RY1A) discharges, and general supply is cut off, and is in holding state again.The address code of noting decode block PT2272 (U2) must be identical with the address code of encoding block PT2262.
Fig. 4 is a 2.4GHZ base band demodulating plate, the decomposition part of Fig. 3.Send in the 2.4GHZ receiver module after receiving the 2.4GHZ signal by tabular directional antenna, isolate audio-video signal, filter the base band noise signal by subsequent conditioning circuit respectively again, and zoom into the AV signal output of standard, import LCD MODULE or television set then.As long as choose and assemble circuit, check the application of to switch on after errorless by the numerical value of marking among the figure.
Realize that the indoor wireless voice transfer adopts Fig. 5 and Fig. 6 circuit, originally the Frequency Design that transmits and receives circuit is in 100MHZ public radio communication frequency range, fine-tuning frequency avoid the mirror image receive frequency and the local broadcast station signal frequency overlap that might occur, in order to avoid influence reception.
Fig. 5 is the voice transmission circuit, adopts the TEK622 audio transmission module, and indoor set owner's sound is by this circuit emission.Change L1C36, L2C37, L3C38 parameter, guarantee that its resonance is in tranmitting frequency.This radiating circuit power output is 100MW.The operating distance of wireless transmitting-receiving equipments is decided by the power output of transmitter, the sensitivity of receiving and dispatching frequency range, receiver, the matching effect of antenna, geographical environment or the like.This radiating circuit can reach 200 meters-400 meters at field.
Fig. 6 is the voice receiving circuits, adopts TEK705 audio frequency receiver module, is installed on the off-premises station. Short circuit 13,14 pin, and can realize no signal noise elimination function at 9 pin and the indirect 3.9K resistance of positive source.Change the L2C21 parameter, make local oscillation signal than receive frequency height (low) 10.7MHz, change the L3C23 parameter, the reception function is in normally receives designed frequency signal under the maximum sensitivity index, fine setting C20 can interior among a small circle fair copy vibration frequency.
Fig. 7 is the circuit diagram of 2.4G radiating circuit, with Fig. 4 is that 2.4GHZ base band demodulating plate is corresponding. be described as follows: the vision signal from CCD or CMOS camera is directly imported the 2.4G wireless transmitter module by the video end, 2.4G module is synthetic to vision signal and high-frequency signal, is launched by plate antenna; After the power amplification of LM386 integrated circuit, import the 2.4G wireless transmitter module from the audio signal of microphone in addition, launch by plate antenna after high frequency is handled by the 2.4G transmitter module equally.
The radio visual doorbell of present embodiment has following function:
Wireless duplexing intercommunication mode is adopted in caller (outdoor) and called (indoor) conversation: outdoor main frame sound can transmit by hyperfrequency 2.4G frequency, and indoor host computer can transmit by the 100M frequency;
Caller is when communication request, and outdoor images is shown (showing that time length is adjustable, display screen outage after the on-hook generally speaking) by minisize pick-up head with wireless transmission method on called LCD display;
Calling and called have above address decoding addressing function, and emission is built-in with reception antenna, and field is launched more than 100 meters;
Called have a warning function: one starts to caller emission communication function, transmission warning the tinkle of bells (available ding-dong music, telephone bell, the free the tinkle of bells of user also can produce voice signal by the processor programming);
Correct information is received in caller, can be equipped with wireless unlock command, and the receiving system of installing in the electric door lock receives correct unlocking signal, sends control command, opens door lock;
Camera can adopt the high definition infrared camera, has the infrared night vision function, supports the video transmission of NTSC or pal mode; Also can adopt CCD micro color camera or black and white camera.
Claims (3)
1. radio visual doorbell, comprise off-premises station, indoor set, described off-premises station is connected with the indoor set wireless transmission, described off-premises station comprises bell button, the first wireless transmission receiver module and with control electric control lock unlock circuit, described indoor set comprises the second wireless transmission receiver module, the doorbell warning circuit, unlock button, it is characterized in that: described off-premises station also comprises and is used for first address decoding circuitry that wireless signal is encoded according to the address, video camera, the signal output part of described video camera connects the first wireless transmission receiver module, and the described first wireless transmission receiver module connects described first address decoding circuitry;
Described indoor set also comprises second address decoding circuitry that is used for the signal that receives is decoded, with the image displaying circuit that the view data that receives shows, described image displaying circuit connects display.
2. radio visual doorbell as claimed in claim 1 is characterized in that: described off-premises station comprises second button, the delay circuit that cooperates with second button; Described second button and bell button interlock.
3. radio visual doorbell as claimed in claim 1 or 2, it is characterized in that: described indoor set comprises that also first microphone, first loudspeaker, first voice pick up circuit, described first microphone connects first voice and picks up circuit, described first voice are picked up circuit and are connected the second wireless transmission receiver module, described off-premises station comprises that also second microphone, second loudspeaker, second voice pick up circuit, described second microphone connects second voice and picks up circuit, and described second voice are picked up circuit and connected the second wireless transmission receiver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201124011U CN201063772Y (en) | 2007-07-27 | 2007-07-27 | Wireless visible doorbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201124011U CN201063772Y (en) | 2007-07-27 | 2007-07-27 | Wireless visible doorbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063772Y true CN201063772Y (en) | 2008-05-21 |
Family
ID=39452159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201124011U Expired - Fee Related CN201063772Y (en) | 2007-07-27 | 2007-07-27 | Wireless visible doorbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063772Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395022A (en) * | 2011-06-09 | 2012-03-28 | 张伟 | Visual doorbell |
| CN104091400A (en) * | 2014-06-27 | 2014-10-08 | 陆冬艳 | Intelligent doorbell |
| CN108734905A (en) * | 2018-06-30 | 2018-11-02 | 深圳市朗强科技有限公司 | A kind of low-power consumption doorbell |
-
2007
- 2007-07-27 CN CNU2007201124011U patent/CN201063772Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395022A (en) * | 2011-06-09 | 2012-03-28 | 张伟 | Visual doorbell |
| CN104091400A (en) * | 2014-06-27 | 2014-10-08 | 陆冬艳 | Intelligent doorbell |
| CN108734905A (en) * | 2018-06-30 | 2018-11-02 | 深圳市朗强科技有限公司 | A kind of low-power consumption doorbell |
| CN108734905B (en) * | 2018-06-30 | 2023-09-15 | 深圳市朗强科技有限公司 | Low-power doorbell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20110727 |