CN2289269Y - Visual doorbell capable of remembering visitor's face - Google Patents

Abstract

The visual doorbell capable of remembering visitors' faces which is mentioned by the utility model relates to a new-type door-bell which can sequentially record a plurality of visitors' faces, the visiting time and the brief message leaved by visitors. The structure is composed by an LCD displaying module, a time recording circuit, a control circuit, an image processing circuit, a sound processing circuit and connecting lines. The whole circuit is controlled by the SCM in the control circuit, the image processing circuit is provided with a spare power supply to ensure the stored data in the module is not lost, the solid segment recording circuit in the sound processing circuit can record the leaving messages of the visitors. The utility model has the characteristics of novel design, complete function, and convenient and practical use.

Description

Can remember the video doorbell of visitor's face

The video doorbell that can remember visitor's face described in the utility model be a kind of can be with visitor's face, the novel doorbell that visiting time and visitor's brief message are noted.

At present, the applied doorbell of people is just reported owner with various sound mostly, and I have a visit from a guest, and owner is difficult to judge visitor's identity, makes owner's safety can not get necessary assurance; Whether existing in addition a kind of video doorbell can be seen visitor's face, can talk with the visitor, with definite visitor's identity, but when owner stays out, have guest's identity visiting and visitor just unknown, has certain inconvenience too.Therefore, design a kind ofly can be remembered visitor's face and message of short duration, the doorbell of visiting time is very necessary.

In view of above-mentioned existing in prior technology problem, the purpose of this utility model is a kind of video doorbell that can remember visitor's face of design.The utility model comes control chart to realize visitor's face, visiting time and visitor's brief message are done with record as circuit such as storage module, solid segmentation recording circuit, time keeping circuit by a single-chip microcomputer.When owner is in, can check and can also artificially visitor's face be latched visitor's face and with visitor's intercommunication, when owner not the time, can automatic recording chart picture and other parameter.

A kind of video doorbell that can remember visitor's face is characterized in that being made up of LCD display module, time keeping circuit, control circuit, image processing circuit, sound treatment circuit and connection line thereof; Control circuit walks abreast with LCD display module, time keeping circuit, image processing circuit, sound treatment circuit and connects; Control circuit is made up of the single-chip microcomputer that two ends are connected to bell button, display lamp, function button respectively; Image processing circuit is made up of a picture storing module that is connected to CCD camera, display screen; Sound treatment circuit is by two of change-over switches, and talkback circuit, solid segmentation recording circuit, two of loudspeakers, two in microphone and line thereof are formed.The video doorbell that can remember visitor's face described in the utility model is characterized in that the talkback circuit in the sound treatment circuit and the two ends of solid recording circuit link with a change-over switch respectively; Two change-over switches that are coupled to each other other end separately links to each other with loudspeaker, microphone again, and wherein an end can also be connected to earphone, and earphone and microphone are integral structure.The video doorbell that can remember visitor's face described in the utility model is characterized in that the picture storing module is made up of vision signal conversion and storage circuit and video signal detection control circuit and connection line thereof; Wherein vision signal conversion and storage circuit comprise video a/d, video d/a, video-ram three partly, the input end of video a/d is connected with amplifier, the video-ram that is parallel between video a/d and the video d/a data line is connected to standby power supply, and video a/d, video d/a are connected to clock generator; Video signal detection and control circuit comprise single-chip microcomputer, FPGA (Field Programmable Gate Array) stamen sheet, address generator three partly, this three part is connected with clock generator respectively, the video signal input terminal of single-chip microcomputer, address generator is connected to comparer, and FPGA (Field Programmable Gate Array) stamen sheet is connected with single-chip microcomputer; The sheet choosing end of single-chip microcomputer and video a/d, video-ram links to each other respectively, be connected with the joining address generator of single-chip microcomputer and FPGA (Field Programmable Gate Array) stamen sheet and video-ram between.

The video doorbell that can remember visitor's face described in the utility model, take in visitor's image by a CCD camera, can watch visitor's identity when owner is in, owner not the time can store under, image can be shown on the screen when waiting owner to return and watch; Solid segmentation recording circuit also is housed in addition, can writes down visitor's brief message, thereby also can recognize visitor's purpose of coming to visit when owner is stayed out; The time keeping circuit can also be noted the visiting time of visitor simultaneously.More than several functions can understand the relevant situation of clear visitor fully when owner is stayed out, very convenient to use, and cost is not high.Two in the total accompanying drawing of the utility model:

Fig. 1: the schematic diagram that can remember the video doorbell of visitor's face.

Fig. 2: the picture storing module principle figure that can remember the video doorbell of visitor's face.

Among the figure:

1--LCD display module 2--time keeping circuit 3--single-chip microcomputer

4--picture storing module 5--talkback circuit 6--solid segmentation recording circuit

7--display screen 8--change-over switch 9--CCD camera

10--clock generator 11--single-chip microcomputer 12--FPGA (Field Programmable Gate Array) stamen sheet

13--address generator 14--video a/d 15--video-ram

16--video d/a 17--standby power supply 18--amplifier

19--comparer 20--bell button 21--loudspeaker

22--microphone 23--earphone 24--display lamp

The 25--operation push-button

The video doorbell specific embodiment that can remember visitor's face described in the utility model as shown in Figure 1.Its structure is made up of LCD display module (1), time keeping circuit (2), control circuit, image processing circuit, sound treatment circuit five parts and connection line thereof; LCD display module (1) is used to show that the visitor that time keeping circuit (2) is noted comes to visit the time; Control circuit is made up of the single-chip microcomputer (3) that two ends are connected with bell button (20), display lamp (24), function button (25), bell button (20) is connected on outdoor, use for the visitor, display lamp (24), function button (25) are arranged on and are indoorly used by owner; Image processing circuit is made up of the picture storing module (4) that two ends are connected with CCD camera (9), display screen (7), and display screen (7) is located at the indoor owner of confession and watches, and CCD camera (9) is installed on outdoor, is used to photograph visitor's image; Sound treatment circuit is by talkback circuit (5), solid segmentation recording circuit (6), (8) two of change-over switches, (21) two of loudspeakers, (22) two in microphone, earphone (23) and connection line thereof are formed, one end of talkback circuit (5) and solid segmentation recording circuit (6) is by a change-over switch (8) and be arranged on an outdoor microphone (22), a loudspeaker (21) links to each other, for visitor's speech, audition is used, the other end is by another change-over switch (8) and be arranged at indoor microphone (22), earphone (23), loudspeaker (21) links to each other, and microphone (22) uses for owner for integral structure with earphone (23); Entire circuit is carried out parallel control by single-chip microcomputer (3).

The specific embodiment of the picture storing module (4) in the video doorbell that can remember visitor's face described in the utility model as shown in Figure 2.Its structure is made up of vision signal conversion and storage circuit and video signal detection and control circuit and line thereof; Wherein vision signal conversion and storage circuit comprise video a/d (14), video d/a (16), video-ram (15) three partly, vision signal position amplifier (18) input video A/D (14), video a/d (14) is connected to clock generator (10) with video d/a (16), the video-ram (15) that is connected to standby power supply (17) is parallel on the data line between video a/d (14) and the video d/a (16), video-ram (15) is used for stored data, and data were not lost after standby power supply (17) can guarantee to cut off the power supply; Video signal detection and control partly comprise single-chip microcomputer (11), FPGA (Field Programmable Gate Array) stamen sheet (12), address generator (13) three partly, this three part is connected with clock generator (10) respectively, single-chip microcomputer (111), the video signal input terminal of address generator (13) is connected to comparer (19), FPGA (Field Programmable Gate Array) stamen sheet (12) is finished with single-chip microcomputer (11) detection and the storage of vision signal is controlled, single-chip microcomputer (11) is also controlled the storage address of video-ram (15) by address generator (13), in addition single-chip microcomputer (11) also with video a/d (14), the sheet choosing end of video-ram (15) links to each other, control processing television signals process.Strange field signal or even field signal in video-ram (15) the storage video signal, video a/d (14) conversion secondary, video-ram (15) is only deposited once, video-ram (15) reads once, twice of video d/a (16) conversion output, saved memory space so greatly, thereby made video-ram (15) can store more visitor's information.

Claims (2)

1, a kind of video doorbell that can remember visitor's face; It is characterized in that being connected and form by display screen (7), CCD camera (9) and seven kinds of integrated circuit modules and by connection line; Seven kinds of integrated circuit modules are respectively LCD display module (1), time keeping circuit module (2), one-chip computer module (3), picture storing module (4), talkback circuit module (5), solid segmentation recording circuit module (6), switching switch circuit module (8); The operation push-button (25) and the bell button (20) that on one-chip computer module (3), are connected with display lamp (24) that light emitting diode constitutes, constitute by pressed switch; The two ends of talkback circuit module (5) and solid recording circuit module (6) are connected with a change-over switch module (8) respectively, two interconnective change-over switches (8) other end separately links to each other with loudspeaker (21), microphone (22) again, and wherein an end can also be connected to earphone (23).

2, the video doorbell that can remember visitor's face according to claim 1; It is characterized in that picture storing module (4) is made of by connection line nine submodules and a standby power supply (17); Nine submodules are respectively clock generator submodule (10), single-chip microcomputer submodule (11), FPGA (Field Programmable Gate Array) stamen sheet submodule (12), address generator submodule (13), video a/d submodule (14), video-ram submodule (15), video d/a submodule (16), amplifier submodule (18) and comparer submodule (19); Constitute vision signal conversion and storage circuit by video a/d (14), video-ram (15) and (16) three submodules of video d/a and connection line thereof; The input end of video a/d (14) is connected with amplifier (18), and the video-ram (15) that is parallel between video a/d (14) and video d/a (16) data line is connected to standby power supply (17); The same video a/d of clock generator (10) (14), video d/a (16) are connected, and the video signal input terminal of single-chip microcomputer (11), address generator (13) is connected to comparer (19); Single-chip microcomputer (11) links to each other respectively with the sheet choosing end of FPGA (Field Programmable Gate Array) stamen sheet (12) and video a/d (14), video-ram (15); The same respectively single-chip microcomputer of address generator (13) (11), FPGA (Field Programmable Gate Array) stamen sheet (12) and video-ram (15) are connected.

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