CN103327240A - Network camera with WIFI function - Google Patents
Network camera with WIFI function Download PDFInfo
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- CN103327240A CN103327240A CN2013102172987A CN201310217298A CN103327240A CN 103327240 A CN103327240 A CN 103327240A CN 2013102172987 A CN2013102172987 A CN 2013102172987A CN 201310217298 A CN201310217298 A CN 201310217298A CN 103327240 A CN103327240 A CN 103327240A
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Abstract
The invention discloses a network camera with a WIFI function. The network camera with the WIFI function comprises a camera lens, an imaging sensor and a control circuit, wherein the imaging sensor is used for receiving optical signals collected by the camera lens and converting the optical signals into electrical signals, and the control circuit is connected to the imaging sensor. The control circuit comprises a main control chip, an A/D converter and an image encoder, wherein the A/D converter is used for carrying out analog-digital conversion on the electric signals converted by the imaging sensor, and the image encoder is used for carrying out compressed encoding on image signals converted by the A/D converter. The A/D converter and the image encoder are both connected with the main control chip, the control circuit further comprises a wireless receiving and dispatching module connected with the main control chip, and an antenna is connected on the wireless receiving and dispatching module. The network camera with the WIFI function overcomes he defects that wire transmission is adopted by an existing network camera, a using position is fixed, and mounting is inconvenient, can achieve short-distance video transmission and control functions, and has the advantages of being flexible and convenient to use and the like.
Description
Technical field
The present invention relates to a kind of video camera, specifically is a kind of web camera of the WIFI of having function.
Background technology
Video monitoring can be in real time, image, the state of reaction monitoring object truly, is convenient to storage, can improve the efficiency of management and automatization level.Along with the raising of people's awareness of safety, be employed more and more widely based on the safety-protection system of video monitoring.
Web camera is one of core building block in the video monitoring system, and existing web camera generally is made of camera lens, filter, imageing sensor, main control chip, auto iris drive circuit, automatic focal length drive circuit, autozoom drive circuit, clock circuit, watchdog circuit, memory circuitry, power circuit etc.
In the present video monitoring system, web camera adopts wired mode to transmit substantially, and this mode has limited the user can only use the inconvenience that brings to a certain degree at fixed position operational network video camera to the user; And the laying of cable network can make user's family, beautifying of working environment bring certain influence, installs to have certain inconvenience; In addition, in the place of some wiring inconvenience, the use of cable network video camera will be affected.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical problem of prior art existence, the invention provides a kind of web camera of the WIFI of having function, it can realize short-range video transmission and control function, has overcome existing web camera and has adopted the use location of wire transmission to fix, install deficiencies such as inconvenience.
For achieving the above object, web camera with WIFI function of the present invention, comprise camera lens, the imageing sensor that is used for receiving the light signal of camera lens collection and light signal is converted to the signal of telecommunication, be connected to the control circuit on the imageing sensor, above-mentioned control circuit comprises main control chip, be used for the imageing sensor conversion back signal of telecommunication is carried out analog-to-digital A/D converter, be used for the picture signal after the A/D converter conversion is carried out the image encoder of compressed encoding, above-mentioned A/D converter, image encoder all links to each other with main control chip, above-mentioned control circuit also comprises the radio receiving transmitting module that links to each other with main control chip, above-mentioned radio receiving transmitting module is the WIFI module, is connected with antenna on it.
Further, above-mentioned antenna is made of the fixed lever and the swingle that electrically connect; Said fixing bar one end and radio receiving transmitting module electrically connect, and the other end and swingle flexibly connect.
Further, above-mentioned control circuit also comprises the auto iris drive circuit that links to each other respectively with above-mentioned main control chip, automatic focal length drive circuit, autozoom drive circuit, clock circuit, watchdog circuit, memory circuitry.
Preferably, above-mentioned memory circuitry is the SDRAM memory.
Preferably, above-mentioned A/D converter adopts the ADC0832 chip, above-mentioned image encoder adopts the ADV202 chip of ARTPEC-4 chip or ADI company, and above-mentioned radio receiving transmitting module adopts the WIFI module of RTL8188CUS model or the A7125 wireless chip of AMICCOM company.
Beneficial effect of the present invention is: set up radio receiving transmitting module on the control circuit of web camera, make web camera to realize wireless transmission and control by wifi, thereby realize short-range video transmission and control function, overcome existing web camera and adopted the use location of wire transmission to fix, install deficiencies such as inconvenience.
Description of drawings
Fig. 1 is structural representation of the present invention.
Marginal data: 1, camera lens; 2, imageing sensor; 3, control circuit; 31, main control chip; 32, auto iris drive circuit; 33, automatic focal length drive circuit; 34, autozoom drive circuit; 35, clock circuit; 36, watchdog circuit; 37, memory circuitry; 38, A/D converter; 39, image encoder; 4, wireless module; 5, antenna.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
[embodiment 1]
As shown in Figure 1, the web camera with WIFI function of present embodiment, comprise camera lens 1, the imageing sensor 2 that is used for receiving the light signal of camera lens 1 collection and light signal is converted to the signal of telecommunication, be connected to the control circuit 3 on the imageing sensor 2, above-mentioned control circuit 3 comprises main control chip 31, be used for the imageing sensor 2 conversion back signals of telecommunication are carried out analog-to-digital A/D converter 38, be used for the picture signal after A/D converter 38 conversions is carried out the image encoder 39 of compressed encoding, radio receiving transmitting module 4 for the view data behind the transmission compressed encoding, above-mentioned A/D converter 38, image encoder 39, radio receiving transmitting module 4 all links to each other with main control chip 31, be the WIFI module on the above-mentioned radio receiving transmitting module 4, be connected with antenna 5 on it.
Wherein, above-mentioned antenna 5 is made of the fixed lever and the swingle that electrically connect: fixed lever one end and radio receiving transmitting module 4 electrically connect, and the other end and swingle flexibly connect.
In concrete the application, above-mentioned main control chip 31 can adopt microcontroller chip commonly used or ARM single-chip microcomputer; Above-mentioned A/D converter 38 adopts ADC0832 chip or AD9772A modulus conversion chip; Above-mentioned image encoder 39 adopts the ADV202 chip of ADI company or the ARTPEC-4 chip of Axis AB, also can adopt dsp chip; Above-mentioned radio receiving transmitting module 4 adopts the A7125 wireless chip of AMICCOM company or WIFI module or the MV269 chip of RTL8188CUS model.
[embodiment 2]
On the basis of embodiment 1, the web camera with WIFI function in the present embodiment, its control circuit 3 also comprise the auto iris drive circuit 32 that links to each other respectively with above-mentioned main control chip 31, automatic focal length drive circuit 33, autozoom drive circuit 34, clock circuit 35, watchdog circuit 36, memory circuitry 37.Wherein, memory circuitry 37 is the SDRAM memory.Foregoing circuit is circuit commonly used in the prior art, repeats no more herein.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.
Claims (5)
1. the web camera that has the WIFI function, comprise camera lens (1), the imageing sensor (2) that is used for receiving the light signal of camera lens (1) collection and light signal is converted to the signal of telecommunication, be connected to the control circuit (3) on the imageing sensor (2), described control circuit (3) comprises main control chip (31), be used for imageing sensor (2) the conversion back signal of telecommunication is carried out analog-to-digital A/D converter (38), be used for the picture signal after A/D converter (38) conversion is carried out the image encoder (39) of compressed encoding, described A/D converter (38), image encoder (39) all links to each other with main control chip (31), it is characterized in that, described control circuit (3) also comprises the radio receiving transmitting module (4) that links to each other with main control chip (31), is connected with antenna (5) on the described radio receiving transmitting module (4).
2. the web camera with WIFI function according to claim 1 is characterized in that, described antenna (5) is made of the fixed lever and the swingle that electrically connect; Described fixed lever one end and radio receiving transmitting module (4) electrically connect, and the other end and swingle flexibly connect.
3. the web camera with WIFI function according to claim 1 and 2, it is characterized in that described control circuit (3) also comprises the auto iris drive circuit (32) that links to each other respectively with described main control chip (31), automatic focal length drive circuit (33), autozoom drive circuit (34), clock circuit (35), watchdog circuit (36), memory circuitry (37).
4. the web camera with WIFI function according to claim 3 is characterized in that, described memory circuitry (37) is the SDRAM memory.
5. the web camera with WIFI function according to claim 4, it is characterized in that, described A/D converter (38) adopts the ADC0832 chip, described image encoder (39) adopts the ADV202 chip of ARTPEC-4 chip or ADI company, and described radio receiving transmitting module (4) adopts the WIFI module of RTL8188CUS model or the A7125 wireless chip of AMICCOM company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102172987A CN103327240A (en) | 2013-06-04 | 2013-06-04 | Network camera with WIFI function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102172987A CN103327240A (en) | 2013-06-04 | 2013-06-04 | Network camera with WIFI function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103327240A true CN103327240A (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102172987A Pending CN103327240A (en) | 2013-06-04 | 2013-06-04 | Network camera with WIFI function |
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| CN (1) | CN103327240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887544A (en) * | 2021-01-21 | 2021-06-01 | 上海航天测控通信研究所 | Integrated wireless WIFI camera device suitable for carrier rocket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010074630A (en) * | 2008-09-19 | 2010-04-02 | Kazuo Takeshima | Network camera |
| CN102143304A (en) * | 2010-02-03 | 2011-08-03 | 中电广通股份有限公司 | Wireless network camera for mines |
| CN102752502A (en) * | 2012-04-28 | 2012-10-24 | 北京汉王智通科技有限公司 | Intelligent camera and intelligent camera shooting method |
| CN202713540U (en) * | 2012-08-06 | 2013-01-30 | 北京北广传媒移动电视有限公司 | Terrestrial digital television set-top box having WIFI function |
-
2013
- 2013-06-04 CN CN2013102172987A patent/CN103327240A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010074630A (en) * | 2008-09-19 | 2010-04-02 | Kazuo Takeshima | Network camera |
| CN102143304A (en) * | 2010-02-03 | 2011-08-03 | 中电广通股份有限公司 | Wireless network camera for mines |
| CN102752502A (en) * | 2012-04-28 | 2012-10-24 | 北京汉王智通科技有限公司 | Intelligent camera and intelligent camera shooting method |
| CN202713540U (en) * | 2012-08-06 | 2013-01-30 | 北京北广传媒移动电视有限公司 | Terrestrial digital television set-top box having WIFI function |
Non-Patent Citations (1)
| Title |
|---|
| 张汝敏，张运楚，郑学汉: "智能摄像机技术及发展", 《计算机系统应用》, vol. 20, no. 7, 31 July 2011 (2011-07-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887544A (en) * | 2021-01-21 | 2021-06-01 | 上海航天测控通信研究所 | Integrated wireless WIFI camera device suitable for carrier rocket |
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Application publication date: 20130925 |