CN103327242A - Network camera powered by network - Google Patents
Network camera powered by network Download PDFInfo
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- CN103327242A CN103327242A CN2013102196479A CN201310219647A CN103327242A CN 103327242 A CN103327242 A CN 103327242A CN 2013102196479 A CN2013102196479 A CN 2013102196479A CN 201310219647 A CN201310219647 A CN 201310219647A CN 103327242 A CN103327242 A CN 103327242A
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- web camera
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Abstract
The invention discloses a network camera powered by a network. The network camera powered by the network comprises a main control circuit, a memorizer, an automatic diaphragm driving circuit, an automatic focal distance driving circuit, an automatic zoom driving circuit, an imaging sensor, an Ethernet power supply module, a clock circuit and a watch dog circuit, wherein the memorizer, the automatic diaphragm driving circuit, the automatic focal distance driving circuit, the automatic zoom driving circuit, the imaging sensor, the Ethernet power supply module, the clock circuit and the watch dog circuit are connected with the main control circuit. A camera lens is arranged outside the imaging sensor, and the Ethernet power supply module is further connected with a network interface circuit. The network camera powered by the network is simple in structure and capable of achieving safe and stable Ethernet power supply.
Description
Technical field
The present invention relates to a kind of web camera, but relate in particular a kind of web camera of network power supply.
Background technology
Web camera is a kind of video camera of new generation that produces in conjunction with traditional cameras and network technology, and it can reach the earth other end by network with image, and the viewer of far-end need not use any professional software.Existing web camera adopts the mode of directly power supply to power mostly, and the use of web camera is inconvenience very.
Summary of the invention
But the invention provides a kind of web camera of network power supply, solved the single problem of web camera supply power mode.
For solving above-mentioned technical problem, the present invention is by the following technical solutions: but the web camera of network power supply, comprise governor circuit and the memory that is connected with governor circuit, auto iris drive circuit, automatic focal length drive circuit, autozoom drive circuit, imageing sensor, Power over Ethernet module, clock circuit and watchdog circuit, described imageing sensor outside is provided with camera lens, and described Power over Ethernet module also is connected with network interface circuit.Power over Ethernet module (being the POE module) can provide 12V or 5V voltage to governor circuit by network interface circuit, so that web camera can be powered by network interface, also the available Power supply that directly passes through need not to use other electric pressure converters conversions, power supply is simple, and is easy to use.
Described governor circuit comprises digital signal processor and ARM9 series processors.Digital signal processor (being the DSP microprocessor) has the characteristics of powerful data-handling capacity and the high speed of service, the ARM9 series processors has area characteristics little, low in energy consumption, governor circuit can reach very high data processing function by digital signal processor and ARM9 series processors, operation is efficient, can greatly improve the disposal ability of web camera.
Described digital signal processor adopts TMS320C6x series digit signal processor.TMS320C6x series digit signal processor provides low-down cost and power consumption, has very high Digital Signal Processing reliability and fail safe, has also reduced cost when improving digital signal processing capability.
It also comprises filter, and filter is between imageing sensor and camera lens.For improving the IMAQ definition of imageing sensor, can adopt the filter of different colours, to improve the IMAQ definition of varying environment hypograph transducer.
Described memory adopts EEPROM.EEPROM is EEPROM (Electrically Erasable Programmable Read Only Memo), and EEPROM data after outage can not lost, and can protect greatly the data of video camera not to be lost.
Described Power over Ethernet module comprises the POE chip of the IEEE802.3af of TI company standard.The POE chip structure of TI company (being Texas Instrument) is small and exquisite, stable performance, the Power over Ethernet module adopts the POE chip of the TI IEEE802.3af of company standard can reduce greatly the video camera volume, improves overall performance, can prolong greatly the useful life of video camera.
Compared with prior art, the invention has the beneficial effects as follows: but the web camera of this network power supply of the present invention's design is simple in structure, can realize safe, stable Power over Ethernet.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Embodiment
But the web camera of a kind of network power supply as shown in Figure 1, comprise governor circuit and the memory that is connected with governor circuit, auto iris drive circuit, automatic focal length drive circuit, autozoom drive circuit, imageing sensor, Power over Ethernet module, clock circuit and watchdog circuit, described imageing sensor outside is provided with camera lens, and described Power over Ethernet module also is connected with network interface circuit.
Described governor circuit comprises digital signal processor and ARM9 series processors.
Described digital signal processor adopts TMS320C6x series digit signal processor
It also comprises filter, and filter is between imageing sensor and camera lens.
Described memory adopts EEPROM.
Described Power over Ethernet module comprises the POE chip of the IEEE802.3af of TI company standard.
Power over Ethernet module of the present invention (being the POE module) can provide 12V or 5V voltage to governor circuit by network interface circuit, so that web camera can be powered by network interface, the also available Power supply that directly passes through, need not to use other electric pressure converter conversions, power supply is simple, and is easy to use.
Be as mentioned above embodiments of the invention.The present invention is not limited to above-mentioned execution mode, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (6)
1. but the web camera of network power supply, it is characterized in that: comprise governor circuit and the memory that is connected with governor circuit, auto iris drive circuit, automatic focal length drive circuit, autozoom drive circuit, imageing sensor, Power over Ethernet module, clock circuit and watchdog circuit, described imageing sensor outside is provided with camera lens, and described Power over Ethernet module also is connected with network interface circuit.
2. but the web camera of network power supply according to claim 1, it is characterized in that: described governor circuit comprises digital signal processor and ARM9 series processors.
3. but the web camera of network power supply according to claim 2 is characterized in that: described digital signal processor employing TMS320C6x series digit signal processor.
But 4. the web camera of network power supply according to claim 1, it is characterized in that: it also comprises filter, filter is between imageing sensor and camera lens.
5. but the web camera of network power supply according to claim 1 is characterized in that: described memory employing EEPROM.
6. but the web camera of network power supply according to claim 1, it is characterized in that: described Power over Ethernet module comprises the POE chip of the IEEE802.3af of TI company standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102196479A CN103327242A (en) | 2013-06-05 | 2013-06-05 | Network camera powered by network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102196479A CN103327242A (en) | 2013-06-05 | 2013-06-05 | Network camera powered by network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103327242A true CN103327242A (en) | 2013-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102196479A Pending CN103327242A (en) | 2013-06-05 | 2013-06-05 | Network camera powered by network |
Country Status (1)
| Country | Link |
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| CN (1) | CN103327242A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090245268A1 (en) * | 2008-03-31 | 2009-10-01 | Avp Ip Holding Co., Llc | Video Router and Method of Automatic Configuring Thereof |
| CN201533372U (en) * | 2009-10-19 | 2010-07-21 | 动力盈科实业(深圳)有限公司 | Video camera using network to supply power and transmit data |
| CN201623763U (en) * | 2009-11-17 | 2010-11-03 | 深圳市中瀛鑫科技发展有限公司 | High-definition network camera based on H.264 compression |
| 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 |
-
2013
- 2013-06-05 CN CN2013102196479A patent/CN103327242A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090245268A1 (en) * | 2008-03-31 | 2009-10-01 | Avp Ip Holding Co., Llc | Video Router and Method of Automatic Configuring Thereof |
| CN201533372U (en) * | 2009-10-19 | 2010-07-21 | 动力盈科实业(深圳)有限公司 | Video camera using network to supply power and transmit data |
| CN201623763U (en) * | 2009-11-17 | 2010-11-03 | 深圳市中瀛鑫科技发展有限公司 | High-definition network camera based on H.264 compression |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 胡青松: "IP网络摄像机的研究与应用", 《电视技术》 * |
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Application publication date: 20130925 |