CN102196167A - Network camera based on power carrier transmission technology - Google Patents
Network camera based on power carrier transmission technology Download PDFInfo
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- CN102196167A CN102196167A CN 201110100230 CN201110100230A CN102196167A CN 102196167 A CN102196167 A CN 102196167A CN 201110100230 CN201110100230 CN 201110100230 CN 201110100230 A CN201110100230 A CN 201110100230A CN 102196167 A CN102196167 A CN 102196167A
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Abstract
The invention relates to a network camera based on a power carrier transmission technology. The network camera based on the power carrier transmission technology comprises a network camera, a communication network and a remote monitoring client, wherein the communication network comprises a modulator-demodulator, a programmable logic controller (PLC) main control terminal and a PLC local side; the PLC main control terminal comprises a main control terminal interface module and a primary coupling circuit; the PLC local side comprises a secondary coupling circuit and a local side communication interface module; a local area network or an INTERNET of a computer is connected with the network camera and the modulator-demodulator; one end of the main control terminal interface module is connected with the modulator-demodulator, and the other end of the main control terminal interface module is connected with a 220V alternating-current power wire through the primary coupling circuit; and one end of the local side communication interface module is connected with the 220V alternating-current power wire through the secondary coupling circuit, and the other end of the local side communication interface module is connected with the remote monitoring client. According to the network camera based on the power carrier transmission technology, coaxial cables and huge video distributors are not needed, so the engineering cost is greatly reduced; and far-end monitoring is realized by using network resources, so that the defect of monitoring failure caused by halt and restart is also avoided.
Description
Technical field
The present invention relates to web camera, relate in particular to a kind of web camera based on the power carrier transmission technology.
Background technology
In the prior art, big more, the definition superelevation of high definition rig camera resolution, code stream also can increase when carrying out transfer of data, increases network bandwidth pressure, data traffic double, increased the video recording capacity, on the other hand, bring pressure, the requirement of center control, management software and hardware performance is doubled and redoubled to the network storage, also will be doubled and redoubled for the management of record video image and the workload of ex-post analysis, cost of investment is high.
Summary of the invention
At above-mentioned shortcoming, the technical issues that need to address of the present invention provide a kind of web camera based on the power carrier transmission technology.
The technical solution used in the present invention is: based on the web camera of power carrier transmission technology, comprise web camera, communication network and remote monitoring client, communication network comprises modulator-demodulator, PLC main control terminal and PLC local side, the PLC main control terminal comprises main control terminal interface module and one-level coupling circuit, the PLC local side comprises secondary coupling circuit and local side communication interface modules, the local area network (LAN) of computer or INTERNET respectively with web camera, modulator-demodulator connects, main control terminal interface module one end is connected with modulator-demodulator, the other end also is connected with the 220V alternating current line of force by the one-level coupling circuit, local side communication interface modules one end is connected with the above-mentioned 220V alternating current line of force by the secondary coupling circuit, and the other end is connected with the remote monitoring client.
Described web camera comprises camera lens, microphone, imageing sensor, sound transducer, A/D converter, video/audio encoder, controller and the webserver, camera lens is provided with imageing sensor, microphone is provided with sound transducer, and imageing sensor is connected with the webserver with A/D converter, video/audio encoder, controller successively with sound transducer.
Described main control terminal interface module comprises INT5500, Ethernet PHY chip I P101ALF, network isolation transformer, filtering and protective circuit, drive circuit, E2PROM memory device and LED; INT5500 communicates by letter with IP101ALF by the MII interface; IP101ALF is connected with network isolation transformer, and filtering is connected with INT5500 respectively with protective circuit, drive circuit, E2PROM memory device and LED.
Described INT5500 is the transceiver of an integrated power line MAC layer, PHY layer.
Described remote monitoring client comprises PC, home appliance or security protection control appliance.
Advantage of the present invention is: compares with traditional record TV monitor system that closes, need not coaxial cable and huge video distributor, and erection unit is few, engineering cost significantly reduces, make full use of Internet resources, strengthened the flexibility of monitoring range, can directly realize remote monitoring; Compare with current supervisory control system, need not software maintenance and machine room, be installed in the place of passageway and environment difference, avoid the deadlock phenomenon and caused the defective that can't monitor when restarting.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the structural representation of communication network of the present invention.
Fig. 2 is the structural representation of main control terminal interface module of the present invention.
Embodiment
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used to explain the present invention, does not constitute the qualification to protection range of the present invention.
Referring to figs. 1 through Fig. 2; the present invention is based on the web camera of power carrier transmission technology; comprise web camera; communication network and remote monitoring client; web camera comprises camera lens; microphone; imageing sensor; sound transducer; A/D converter; the video/audio encoder; the controller and the webserver; communication network comprises modulator-demodulator; PLC main control terminal and PLC local side; the PLC main control terminal comprises main control terminal interface module and one-level coupling circuit; the PLC local side comprises secondary coupling circuit and local side communication interface modules; the main control terminal interface module comprises INT5500; Ethernet PHY chip I P101ALF; network isolation transformer; filtering and protective circuit; drive circuit; E2PROM memory device and LED; INT5500 communicates by letter with IP101ALF by the MII interface; IP101ALF is connected with network isolation transformer; filtering and protective circuit; drive circuit; the E2PROM memory device is connected with INT5500 respectively with LED; camera lens is provided with imageing sensor; microphone is provided with sound transducer; imageing sensor and sound transducer successively with A/D converter; the video/audio encoder; controller is connected with the webserver; the INTERNET of computer respectively with the webserver of web camera; modulator-demodulator connects; main control terminal interface module one end is connected with modulator-demodulator; the other end also is connected with the 220V alternating current line of force by the one-level coupling circuit; local side communication interface modules one end is connected with the above-mentioned 220V alternating current line of force by the secondary coupling circuit, and the other end is connected with the remote monitoring client.
Below the course of work of the present invention is described further: after picture signal is imported by microphone by camera lens input and voice signal, be converted into analog electrical signal by imageing sensor and sound transducer, A/D converter is converted to digital electric signal with analog electrical signal, carry out encoding compression through the video/audio encoder again, then under the control of controller, send on local area network (LAN) or the INTERNET by procotol by the webserver, modulator-demodulator sends to the PLC main control terminal with the local area network (LAN) of reception or the signal of INTERNET transmission through after the modulation, the PLC main control terminal is converted into the packet of power line communication, and encrypt, the OFDM modulation, the D/A conversion, processing and amplifying, couple a signal on the 220V alternating current line of force by the one-level coupling circuit then, the PLC local side is coupled to signal on the 220V alternating current line of force by the secondary coupling circuit, and the PLC local side sends it to the remote monitoring client by PLC local side communication interface.
Claims (5)
1. based on the web camera of power carrier transmission technology, comprise web camera, communication network and remote monitoring client, it is characterized in that, communication network comprises modulator-demodulator, PLC main control terminal and PLC local side, the PLC main control terminal comprises main control terminal interface module and one-level coupling circuit, the PLC local side comprises secondary coupling circuit and local side communication interface modules, the local area network (LAN) of computer or INTERNET respectively with web camera, modulator-demodulator connects, main control terminal interface module one end is connected with modulator-demodulator, the other end also is connected with the 220V alternating current line of force by the one-level coupling circuit, local side communication interface modules one end is connected with the above-mentioned 220V alternating current line of force by the secondary coupling circuit, and the other end is connected with the remote monitoring client.
2. the web camera based on the power carrier transmission technology according to claim 1, it is characterized in that, described web camera comprises camera lens, microphone, imageing sensor, sound transducer, A/D converter, video/audio encoder, controller and the webserver, camera lens is provided with imageing sensor, microphone is provided with sound transducer, and imageing sensor is connected with the webserver with A/D converter, video/audio encoder, controller successively with sound transducer.
3. the web camera based on the power carrier transmission technology according to claim 1; it is characterized in that; described main control terminal interface module comprises INT5500, Ethernet PHY chip I P101ALF, network isolation transformer, filtering and protective circuit, drive circuit, E2PROM memory device and LED; INT5500 communicates by letter with IP101ALF by the MII interface; IP101ALF is connected with network isolation transformer, and filtering is connected with INT5500 respectively with protective circuit, drive circuit, E2PROM memory device and LED.
4. the web camera based on the power carrier transmission technology according to claim 2 is characterized in that, described INT5500 is the transceiver of an integrated power line MAC layer, PHY layer.
5. the web camera based on the power carrier transmission technology according to claim 1 is characterized in that, described remote monitoring client comprises PC, home appliance or security protection control appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100230 CN102196167B (en) | 2011-04-21 | 2011-04-21 | Network camera based on power carrier transmission technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100230 CN102196167B (en) | 2011-04-21 | 2011-04-21 | Network camera based on power carrier transmission technology |
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| CN102196167A true CN102196167A (en) | 2011-09-21 |
| CN102196167B CN102196167B (en) | 2013-04-17 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103298196A (en) * | 2012-09-24 | 2013-09-11 | 天津思博科科技发展有限公司 | Comprehensive system using power line carriers to achieve remote control on LED lamps |
| CN103428479A (en) * | 2013-08-20 | 2013-12-04 | 国家电网公司 | Front-end data acquisition device for wireless audio-video digital monitoring system |
| CN104284071A (en) * | 2014-10-20 | 2015-01-14 | 中山市安领星电子科技有限公司 | Infrared high-definition surveillance camera based on transmission of power modulator-demodulators |
| CN104460633A (en) * | 2014-12-17 | 2015-03-25 | 国家电网公司 | Intelligent home control system and method based on special power wireless communication network |
| CN104867266A (en) * | 2015-06-06 | 2015-08-26 | 王爱玲 | Method for detecting fire condition of coal mine based on power line network |
| CN105472315A (en) * | 2014-09-10 | 2016-04-06 | 杭州力弘电子有限公司 | High-definition monitoring system based on electric power carrier technology |
| CN105847737A (en) * | 2015-01-12 | 2016-08-10 | 杭州龙讯通信科技有限公司 | Method and device for realizing network high-definition camera shooting through twisted-pair |
| CN105933658A (en) * | 2016-05-18 | 2016-09-07 | 冶金自动化研究设计院 | Device for monitoring airtight state of personal protective valve based on image identification |
| WO2018223716A1 (en) * | 2017-06-05 | 2018-12-13 | 杭州海康威视数字技术股份有限公司 | Power carrier communication network monitoring system |
| CN109803120A (en) * | 2018-12-29 | 2019-05-24 | 广州市源瑞信息科技有限公司 | A kind of subcarrier link repair system based on coaxial transmission |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083418A (en) * | 2019-12-31 | 2020-04-28 | 北京中电昊海科技有限公司 | Method for realizing image data transmission based on power line high-speed carrier HPLC |
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| US20060075448A1 (en) * | 2004-10-01 | 2006-04-06 | Logitech Europe S.A. | Mechanical pan, tilt and zoom in a webcam |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103298196A (en) * | 2012-09-24 | 2013-09-11 | 天津思博科科技发展有限公司 | Comprehensive system using power line carriers to achieve remote control on LED lamps |
| CN103428479A (en) * | 2013-08-20 | 2013-12-04 | 国家电网公司 | Front-end data acquisition device for wireless audio-video digital monitoring system |
| CN105472315A (en) * | 2014-09-10 | 2016-04-06 | 杭州力弘电子有限公司 | High-definition monitoring system based on electric power carrier technology |
| CN104284071A (en) * | 2014-10-20 | 2015-01-14 | 中山市安领星电子科技有限公司 | Infrared high-definition surveillance camera based on transmission of power modulator-demodulators |
| CN104460633A (en) * | 2014-12-17 | 2015-03-25 | 国家电网公司 | Intelligent home control system and method based on special power wireless communication network |
| CN105847737A (en) * | 2015-01-12 | 2016-08-10 | 杭州龙讯通信科技有限公司 | Method and device for realizing network high-definition camera shooting through twisted-pair |
| CN104867266A (en) * | 2015-06-06 | 2015-08-26 | 王爱玲 | Method for detecting fire condition of coal mine based on power line network |
| CN104867266B (en) * | 2015-06-06 | 2016-06-15 | 国网山东省电力公司无棣县供电公司 | A kind of colliery condition of a fire detection method of electrically-based gauze network |
| CN105933658A (en) * | 2016-05-18 | 2016-09-07 | 冶金自动化研究设计院 | Device for monitoring airtight state of personal protective valve based on image identification |
| WO2018223716A1 (en) * | 2017-06-05 | 2018-12-13 | 杭州海康威视数字技术股份有限公司 | Power carrier communication network monitoring system |
| CN109803120A (en) * | 2018-12-29 | 2019-05-24 | 广州市源瑞信息科技有限公司 | A kind of subcarrier link repair system based on coaxial transmission |
| CN109803120B (en) * | 2018-12-29 | 2020-11-03 | 广州市源瑞信息科技有限公司 | Subcarrier link repair system based on coaxial transmission |
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| CN102196167B (en) | 2013-04-17 |
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Address after: Hangzhou City, Zhejiang Province, Binjiang District 310000 (pro) East Road No. 1805 Building 2 layer five Patentee after: ZHEJIANG NEW ZAILING TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 River Street East Road No. 1810 building 3 layer 3 Patentee before: Hangzhou Zailing Electronic Technology Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110921 Assignee: Jiangsu xinzailing Intelligent Technology Co., Ltd Assignor: ZHEJIANG XINZAILING TECHNOLOGY Co.,Ltd. Contract record no.: X2020980000583 Denomination of invention: Network camera based on power carrier transmission technology Granted publication date: 20130417 License type: Common License Record date: 20200311 |