CN203482330U - Wireless visual doorbell - Google Patents
Wireless visual doorbell Download PDFInfo
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- CN203482330U CN203482330U CN201320596275.7U CN201320596275U CN203482330U CN 203482330 U CN203482330 U CN 203482330U CN 201320596275 U CN201320596275 U CN 201320596275U CN 203482330 U CN203482330 U CN 203482330U
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Abstract
The utility model provides a wireless visual doorbell including an indoor unit and an outdoor unit, the indoor unit and the outdoor unit are connected through wireless transmission, wherein the outdoor unit includes a doorbell button, a camera module, an image acquisition processing circuit, a wireless data compiling circuit, and a first wireless transmitting and receiving module, the indoor unit includes a second wireless transmitting and receiving module, a wireless data decoding circuit, a second central processor, a music chip, a loudspeaker, an image display circuit, and a display screen, the first wireless transmitting and receiving module and the second transmitting and receiving module are connected through wireless transmission, and the indoor unit and the outdoor unit further include their respective power supply modules. The wireless visual doorbell is advantageous in having the visual function and being capable of simply knowing who is outside the door.
Description
Technical field
The utility model relates to a kind of doorbell, and especially a kind of video doorbell of wireless transmission belongs to security device technical field.
Background technology
In recent years, along with the needs that building intelligent is built, many residential quarters all adopt intelligent construction, doorbell has become intelligent building inalienable part, present most doorbell adopts wired mode, and installation and maintenance is very inconvenient, has Line Doorbell need to plan wiring, need to drop into a large amount of manpower and materials, doorbell is safeguarded also pretty troublesome, some wireless doorbell, but only have doorbell signal, cannot carry out video intercom, intellectuality is lower.
The existing video doorbell in market is generally integrated in storied building visible intercommunication system at present, be divided into wired video doorbell and radio visual doorbell, this series products is to be generally used as guest before entering the gate of building hall, call out owner, after owner is by image confirming guest the people who oneself is familiar with, press unlock key, the gate of Remote Open hall allows guest enter building.If but hall gate is not closed, guest can directly enter hall gate, without calling out owner, owner cannot learn the situation that guest comes by video doorbell.
Although guest enters after hall, most of family also can be used common wireless doorbell as calling instrument, when guest comes host's front door, and guest's button of ringing a doorbell, indoor set will send the sound prompting owner of ding-dong (or other music), has outdoors guest to arrive.But because owner cannot confirm indoor whom the guest who comes is outdoors, can produce unavoidably in the situation that the query, particularly owner of " being who has come " do not unblank by storied building visible intercommunication system, more cannot learn whom messenger is.
Utility model content
The utility model is the problems referred to above that exist for existing doorbell, for solving, cannot confirm that whose problem gate stranger is, a kind of new have visual function and easy-to-install doorbell are provided.
Technical conceive of the present utility model is: when guest presses after off-premises station doorbell button, indoor owner can hear the doorbell sound of ding-dong, the image of the display screen of indoor set outside will display room simultaneously, all signal commands and video all transmit by wireless signal, adopt public wireless frequency 2.4GHz, 15MHz or 100MHz frequency range.
The technical scheme that the utility model technical solution problem provides is as follows:
A kind of radio visual doorbell, comprise indoor set and off-premises station, described indoor set adopts wireless transmission to be connected with off-premises station, wherein, described off-premises station comprises doorbell button, camera module, image capturing and processing circuit, the first central processing unit, wireless data compiling circuit and the first wireless transmission receiver module, doorbell button is connected with camera module, camera module is connected with image capturing and processing circuit, image capturing and processing circuit is connected with the first central processing unit, the first central processing unit is connected with wireless data compiling circuit, wireless data compiling circuit is connected with the first wireless transmission receiver module, indoor set comprises the second wireless transmission receiver module, wireless data decoding circuit, the second central processing unit, Music Clip, loudspeaker, image displaying circuit and display screen, the second wireless transmission receiver module is connected with wireless data decoding circuit, wireless data decoding circuit is connected with the second central processing unit, the second central processing unit is connected with image displaying circuit with Music Clip respectively, Music Clip is connected with loudspeaker, image displaying circuit is connected with display screen, the first wireless transmission receiver module is connected with the second wireless transmission receiver module wireless transmission, indoor set and off-premises station also comprise power module separately.
Further, the wireless frequency of described the first wireless transmission receiver module and the second wireless transmission receiver module comprises 2.4GHz, 315MHz or 100MHz.
The operation principle of radio visual doorbell described in the utility model is as follows: after the energising of off-premises station button, startup camera module is carried out to IMAQ, after collection, image is delivered to the first central processing unit by image acquisition circuit and carry out image processing, image compiles circuit by signal by wireless data after handling and delivers to the first wireless transmission receiver module and carry out wireless transmission; After receiving order, the second wireless transmission receiver module of indoor set carries out signal compiling by wireless data decoding circuit, signal after compiling is sent to the second central processing unit and carries out image processing, after handling, image by image displaying circuit, image is presented on display screen, meanwhile also order is sent to Music Clip and is carried out command process, music is played back by loudspeaker.
Radio visual doorbell described in the utility model, advantage is to have visual function, easy understand know whom the external people in gate is.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment;
Fig. 2 is design overall framework map of the present utility model;
Fig. 3 is the power module schematic diagram of the utility model embodiment off-premises station, indoor set;
Fig. 4 is that the utility model embodiment is outdoor, the wireless module schematic diagram of indoor set;
Fig. 5 is the utility model embodiment indoor set Music Clip module principle figure;
Fig. 6 is the utility model embodiment indoor set LCD Interface and backlight drive circuit schematic diagram;
Fig. 7 is the utility model embodiment off-premises station utilizing camera interface and power control circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, radio visual doorbell described in the utility model is illustrated without limitation, object is to understand better described technology contents for the public.
Fig. 1 is the theory diagram of utility model embodiment, as shown in Figure 1, radio visual doorbell, comprise indoor set and off-premises station, described indoor set adopts wireless transmission to be connected with off-premises station, wherein, described off-premises station comprises doorbell button, camera module, image capturing and processing circuit, the first central processing unit, wireless data compiling circuit and the first wireless transmission receiver module, doorbell button is connected with camera module, camera module is connected with image capturing and processing circuit, image capturing and processing circuit is connected with the first central processing unit, the first central processing unit is connected with wireless data compiling circuit, wireless data compiling circuit is connected with the first wireless transmission receiver module, indoor set comprises the second wireless transmission receiver module, wireless data decoding circuit, the second central processing unit, Music Clip, loudspeaker, image displaying circuit and display screen, the second wireless transmission receiver module is connected with wireless data decoding circuit, wireless data decoding circuit is connected with the second central processing unit, the second central processing unit is connected with image displaying circuit with Music Clip respectively, Music Clip is connected with loudspeaker, image displaying circuit is connected with display screen, the first wireless transmission receiver module is connected with the second wireless transmission receiver module wireless transmission, indoor set and off-premises station also comprise power module separately.
As Fig. 2, be design overall framework map of the present utility model, wherein the function of each several part is as described below:
1) MCU: microcontroller, this microcontroller is 8051 monolithic microcomputer kernel, supports 51 instruction set, mainly goes the control of modules and the control of communication flow;
2) RAM/ROM: the ram in slice of ROM and 24KB in the sheet that comprises 40KB, in sheet, ROM is the program space, after powering on, whether MCU detects FLASH by SPI interface has program to exist, if had, is automatically loaded into the upper operation of ROM;
3) Timer: timer, for timing wake-up function;
4) UART: universal asynchronous receiving-transmitting transmitter, serial ports is downloaded for program and debug print output;
5) GPIO: general purpose I/O port, IO interface is for control and the Music Clip one line control of LED lamp;
6) General ADC: general digital to analog converter, 12 ADC modules are used for gathering analog signal, and this programme is for battery electric quantity collection and analogue-key collection;
7) SPI: this interface is used for connecting serial FLASH, storage main program, configuration parameter, character library, picture etc.;
8) Video Buffer: video register, be controlled by MCU, but the transmission of video data is not by MCU, guarantees the speed of transfer of data;
9) Baseband: baseband module, receive the data of Video Buffer, by RF module, carry out wireless transmission, video data RF module being received passes to Video Buffer simultaneously, and control command is returned to MCU processing in the mode of task;
10) Display IF: display interface, connects LCD LCDs, showing screen display after the vision signal decompress(ion) receiving.This part is only present in indoor set;
11) Sensor IF: sensor interface, connect CMOS camera, the contracting of the pictorial information entrance pressure of camera collection is processed, and sent to Video Buffer and carry out wireless transmission.This part is only present in off-premises station;
12) I2C(Inter-Integrated Circuit) the twin wire universal serial bus of bus Shi You PHILIPS company exploitation, for connecting microcontroller and ancillary equipment thereof.It is a kind of bus standard that microelectronics Control on Communication field extensively adopts.It is a kind of special shape of synchronous communication, has interface line few, and control mode is simple, and device package form is little, and traffic rate is compared with advantages of higher.
Fig. 3 is the power module schematic diagram of off-premises station, indoor set, No. seven rechargeable batteries of 3 joints for off-premises station power acquisition, and used for indoor machine 5 saves No. seven rechargeable batteries, and the normal stable power-supplying of equipment is provided.Use LDO power supply voltage stabilizing chip to 3.3V, is powered voltage step-down to CPU and each functional module.Make LDO power supply voltage stabilizing chip that voltage is down to 1.8V powers separately to RC clock oscillator simultaneously; The mode that adopts high resistance measurement dividing potential drop, 12 ADC that carry with CPU carry out voltage acquisition, show in real time the dump energy of battery, and carry out sound prompting when electric weight is too low.
Fig. 4 is outdoor, indoor set wireless module schematic diagram, and off-premises station and indoor set adopt identical radio receiving transmitting module.The public frequency range wireless solution of 2.4GHz that master chip adopts AMICCOM company to release, realizes full duplex transmission mode, and transmission rate can reach 3Mbps, and realizes the several functions such as Channel Detection, channel selection and guarantee that channel is clean, communication is noiseless.Use radio frequency amplification chip simultaneously, 2.4G radiofrequency signal is amplified, guarantee communication quality and communication distance.
Fig. 5 is indoor set dedicated music chip module, indoor set adopts the SPI FLASH of dedicated music chip and 64Mbit to deposit musical composition, maximum chord music 50 head that can deposit 24KHz sample rate, total duration can reach more than 1500 seconds, this Music Clip feature such as loud and clear, clear that plays sound, and carry pwm signal input, can directly drive loudspeaker.
Fig. 6 is indoor set LCD Interface and backlight drive circuit, and indoor set liquid crystal display screen has adopted 3.5 cun of liquid crystal display screens, and screen resolution is 320 * 240, the signal strength signal intensity while can display radio on image connecting and the battery electric quantity of indoor set and off-premises station.The voltage that needs 18V backlight of liquid crystal display screen, so used DC-DC power supply chip to boost.
Fig. 7 is off-premises station utilizing camera interface and power control circuit, and off-premises station is used the CMOS camera of 300,000 pixels to carry out outdoor video image acquisition.The information gathering is transferred to indoor set end by wireless transmitter module and shows in real time after compressing.Camera is used 2.8V power supply, uses LDO power supply chip to carry out step-down.
Should be clear and definite be, foregoing comprises that accompanying drawing is not the restriction to technical solutions of the utility model, in fact, all improvement of described technical scheme being carried out with identical or approximate principle, comprise the replacement that is equal to of the approximate module of corresponding function, and the improvement to product design, size, material used, all within the desired technical scheme of the utility model.
Claims (2)
1. a radio visual doorbell, comprise indoor set and off-premises station, described indoor set adopts wireless transmission to be connected with off-premises station, it is characterized in that: described off-premises station comprises doorbell button, camera module, image capturing and processing circuit, the first central processing unit, wireless data compiling circuit and the first wireless transmission receiver module, doorbell button is connected with camera module, camera module is connected with image capturing and processing circuit, image capturing and processing circuit is connected with the first central processing unit, the first central processing unit is connected with wireless data compiling circuit, wireless data compiling circuit is connected with the first wireless transmission receiver module, indoor set comprises the second wireless transmission receiver module, wireless data decoding circuit, the second central processing unit, Music Clip, loudspeaker, image displaying circuit and display screen, the second wireless transmission receiver module is connected with wireless data decoding circuit, wireless data decoding circuit is connected with the second central processing unit, the second central processing unit is connected with image displaying circuit with Music Clip respectively, Music Clip is connected with loudspeaker, image displaying circuit is connected with display screen, the first wireless transmission receiver module is connected with the second wireless transmission receiver module wireless transmission, indoor set and off-premises station also comprise power module separately.
2. radio visual doorbell according to claim 1, is characterized in that: the wireless frequency of described the first wireless transmission receiver module and the second wireless transmission receiver module comprises 2.4GHz, 315MHz or 100MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596275.7U CN203482330U (en) | 2013-09-26 | 2013-09-26 | Wireless visual doorbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596275.7U CN203482330U (en) | 2013-09-26 | 2013-09-26 | Wireless visual doorbell |
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| Publication Number | Publication Date |
|---|---|
| CN203482330U true CN203482330U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596275.7U Expired - Fee Related CN203482330U (en) | 2013-09-26 | 2013-09-26 | Wireless visual doorbell |
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| Country | Link |
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| CN (1) | CN203482330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929616A (en) * | 2014-04-16 | 2014-07-16 | 长安大学 | Intelligent Internet-of-things household visual door control monitoring system and monitoring method |
| CN107872652A (en) * | 2017-11-08 | 2018-04-03 | 陈永 | A kind of video doorbell |
| CN111787281A (en) * | 2020-07-09 | 2020-10-16 | 深圳爱易瑞科技有限公司 | A bi-pass video control circuit for security protection entrance guard |
-
2013
- 2013-09-26 CN CN201320596275.7U patent/CN203482330U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929616A (en) * | 2014-04-16 | 2014-07-16 | 长安大学 | Intelligent Internet-of-things household visual door control monitoring system and monitoring method |
| CN103929616B (en) * | 2014-04-16 | 2018-11-30 | 长安大学 | The visual gatekeeper monitoring system of Intelligent internet of things family and monitoring method |
| CN107872652A (en) * | 2017-11-08 | 2018-04-03 | 陈永 | A kind of video doorbell |
| CN111787281A (en) * | 2020-07-09 | 2020-10-16 | 深圳爱易瑞科技有限公司 | A bi-pass video control circuit for security protection entrance guard |
| CN111787281B (en) * | 2020-07-09 | 2021-08-10 | 深圳市爱德泰科技有限公司 | A bi-pass video control circuit for security protection entrance guard |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |