CN101557504A - Zooming device and rotating device of power line carrier control camera - Google Patents
Zooming device and rotating device of power line carrier control camera Download PDFInfo
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- CN101557504A CN101557504A CNA2009100247427A CN200910024742A CN101557504A CN 101557504 A CN101557504 A CN 101557504A CN A2009100247427 A CNA2009100247427 A CN A2009100247427A CN 200910024742 A CN200910024742 A CN 200910024742A CN 101557504 A CN101557504 A CN 101557504A
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Abstract
The invention relates to a zooming device and a rotating device of a power line carrier control camera, belonging to the control technology of a surveillance camera. Carrier wave is carried out on 12V DC power wire or 24V AC power wire and the transferring converting technology of serial port communication data for controlling the zooming of a camera (9) and the rotation of a tripod head is adopted, so that the surveillance camera (9) provided with zooming and rotary tripod head is only installed on the system which has a video wire and a power wire. A serial port communication data-power line carrier conversion device (5) is installed between a camera control table (3); and the power line, while the camera is connected with a power line carrier-serial port communication data conversion device (7). By using the technology, the installation cost of system is greatly reduced without any other serial port communication data wire.
Description
Technical field
The present invention relates to a kind of rig camera control technology, specifically be meant the technology of power line carrier realization of utilizing rig camera zoom, rotation.
Background technology
Along with the needs of security protection, specific zone has been mounted rig camera, and increasing rig camera has the The Cloud Terrace function of zoom and 360 degree rotations.Want the far distance controlled video camera to carry out the rotation of zoom and The Cloud Terrace, generally be master station at present with the video camera machine between be connected with the serial communication data wire.During practice of construction, generally to arrange three lines, i.e. video line, serial communication data wire and 12V direct current or 24V AC power cord.In original surveillance, generally have only video line and power line.If the rig camera of mounting strap zoom and rotary head need rearrange the serial communication data wire, this has just improved cost greatly, and very inconvenience is installed.
Summary of the invention
The objective of the invention is:
Carrier wave on 12V direct current or 24V AC power cord, adopt the zoom of control video camera and the transmission switch technology of the serial communication data that The Cloud Terrace rotates, the rig camera with zoom and rotary head is installed in the system that has only video line and power line thereby be implemented in.
Technical scheme:
Utilize the camera supervised system of power carrier control, each video camera only needs two lines, power line and video lines.Control signal is transmitted by power line.The serial communication data are installed between camera control desk and power line connect changes the power carrier conversion equipment, and at the video camera place and connect power carrier and change the serial communication DTU (Data Transfer unit).
Advantage of the present invention is: utilize this technology not need to arrange in addition the serial communication data wire, the data-signal carrier wave is on power line.The transmission of control signal is that the conversion equipment that adopts the serial communication data to change power carrier and power carrier commentaries on classics serial data is realized conversion.Also can in original supervisory control system, install the video camera that has zoom and The Cloud Terrace spinfunction additional.
Description of drawings
Fig. 1, power carrier camera lens are supervised
Fig. 2, power carrier and serial data change-over circuit figure
Fig. 3, capacitively coupled planogram
Embodiment:
Specify one embodiment of the present of invention, the power supply (4) that 12V direct current or 24V exchange is directly given the video camera (9) that has zoom and rotary head power supply by power line.The image that has video camera (9) acquisition of zoom and rotary head is transferred to digital video recorder (2) (DVR host box) video recording by video line, is transferred to monitor (1) Real Time Observation, supervision simultaneously.The camera control desk (3) that manipulation has zoom and a rotary head with settled the serial communication data to change power carrier conversion equipment (5) between power line is connected, the control signal of control desk (3) by the serial communication data change power carrier conversion equipments (5) with the control signal carrier wave to power line.Change serial communication data conversion device (7) and at the control joint of the video camera that has zoom and rotary head (9) and power line place a power carrier is installed, institute's signal that obtains is directly controlled the video camera (9) that has zoom and rotary head and is carried out the rotation of zoom and The Cloud Terrace.
Video camera (a 9) power supply access place series connection trap (8) that has zoom and rotary head, and the trap (6) of connecting too in control desk and power line junction, its effect is to stop carrier signal by the power unit consumption of video camera, influences communication distance.
The serial communication data change power carrier conversion equipment (5) and power carrier commentaries on classics serial communication DTU (Data Transfer unit) (7) is a circuit, and function is reciprocal.Conversion equipment (5) (7) is by analog front circuit (10), and power carrier arranges demodulator (11) and microprocessor (12) is formed.
Because supervisory control system can be installed many video cameras as required, when power supply has some, adopt coupling electric capacity (13) array circuit between the power line of control desk (3) and each power supply (4).With the coupling array approach power carrier signal is coupled on the every power line.
Claims (4)
1, a kind of by monitor (1), digital video recorder (2), camera control desk (3), the power line carrier control camera zoom that power supply (4) video camera (9) that 12V direct current or 24V exchange is formed, whirligig, it is characterized in that: having settled between handling the control desk (3) have zoom and rotary head video camera (9) and power line being connected changes power carrier conversion equipment (5) with control signal by the serial communication data, at control joint and power carrier commentaries on classics serial communication data conversion device (7) that power carrier is converted to the serial communication data of power line place installation of the video camera that has zoom and rotary head (9).
2, a kind of power line carrier control camera zoom according to claim 1, whirligig, it is characterized in that: the serial communication data change power carrier conversion equipment (5) and power carrier commentaries on classics serial communication DTU (Data Transfer unit) (7) is a circuit, and function is reciprocal.Conversion equipment (5) (7) is by analog front circuit (10), and power carrier arranges demodulator (11) and microprocessor (12) is formed.
3, a kind of power line carrier control camera zoom according to claim 1 and 2, whirligig, it is characterized in that: have video camera (a 9) power supply access place series connection trap (8) of zoom and rotary head, and the trap (6) of connecting too in control desk and power line junction.
4, according to claim 1 or 2 or 3 described a kind of power line carrier control camera zooms, whirligig, it is characterized in that: when some power supplies (4) are arranged, adopt coupling electric capacity (13) array circuit between the power line of control desk (3) and each power supply (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100247427A CN101557504A (en) | 2009-02-09 | 2009-02-09 | Zooming device and rotating device of power line carrier control camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100247427A CN101557504A (en) | 2009-02-09 | 2009-02-09 | Zooming device and rotating device of power line carrier control camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101557504A true CN101557504A (en) | 2009-10-14 |
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ID=41175419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100247427A Pending CN101557504A (en) | 2009-02-09 | 2009-02-09 | Zooming device and rotating device of power line carrier control camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101557504A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938637A (en) * | 2010-09-02 | 2011-01-05 | 南京南自信息技术有限公司 | Network spherical video camera supporting tripod head control |
| CN102170564A (en) * | 2011-03-28 | 2011-08-31 | 上海理工大学 | Intelligent high-definition high-frame optical monitoring camera system based on periphery component interface express (PCIE) interface |
| CN109194893A (en) * | 2018-08-29 | 2019-01-11 | 浙江大华技术股份有限公司 | A kind of powered communication control circuit and supplying communication system |
-
2009
- 2009-02-09 CN CNA2009100247427A patent/CN101557504A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938637A (en) * | 2010-09-02 | 2011-01-05 | 南京南自信息技术有限公司 | Network spherical video camera supporting tripod head control |
| CN102170564A (en) * | 2011-03-28 | 2011-08-31 | 上海理工大学 | Intelligent high-definition high-frame optical monitoring camera system based on periphery component interface express (PCIE) interface |
| CN109194893A (en) * | 2018-08-29 | 2019-01-11 | 浙江大华技术股份有限公司 | A kind of powered communication control circuit and supplying communication system |
| CN109194893B (en) * | 2018-08-29 | 2021-02-02 | 浙江大华技术股份有限公司 | Power supply communication control circuit and power supply communication system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20091014 |