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A separate camera, power supply control method and device

A camera, separate technology, applied in the field of video surveillance, can solve the problem of not being able to do plug and play, not supporting hot swap, etc., to avoid the effect of high voltage burr phenomenon

Active Publication Date: 2022-04-19
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a separate camera, power supply control method and device, which is used to solve the problem that the separate camera in the prior art does not support hot plugging, that is, the problem that plug and play cannot be achieved

Method used

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  • A separate camera, power supply control method and device
  • A separate camera, power supply control method and device
  • A separate camera, power supply control method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] figure 1A schematic structural diagram of a separate camera provided in an embodiment of the present invention, including: a front-end device 11 and a back-end device 12; the back-end device 12 includes a control module 121, a first power supply module 122, and a detection module 123;

[0058] The control module 121 is connected to the detection module 123, and is used to control the detection module 123 to be turned on;

[0059] The detection module 123 is used to detect whether the front-end device 11 is connected to the back-end device 12, and send the detection result to the control module 121;

[0060] The control module 121 is also connected to the first power supply module 122, and is also used to control the first power supply module 122 to The front-end equipment 11 supplies power.

[0061] Such as figure 1 As shown, the separate camera includes a front-end device and a back-end device, the front-end device is used to collect images and transmit them to the ...

Embodiment 2

[0065] On the basis of the above embodiments, in the embodiments of the present invention, the control module is further configured to judge whether an image is received, and if not, control the detection module to be turned on.

[0066] The control module is further configured to control the detection module to shut down when the received detection result is that the front-end device is connected to the back-end device.

[0067] The signals transmitted on the coaxial cable connected between the front-end equipment and the back-end equipment of the separated camera include the image signal transmitted from the front-end equipment to the back-end equipment, the power supply signal transmitted from the back-end equipment to the front-end equipment, and the power supply signal transmitted from the back-end equipment to the front-end equipment. The detection signal transmitted by the device is the detection signal used by the detection module to detect whether there is a connection...

Embodiment 3

[0070] On the basis of the above embodiments, in the embodiment of the present invention, the front-end equipment includes a state identification module 111, and the state identification module 111 is connected to the detection module 123;

[0071] The state identification module 111 is configured to output to the detection module 123 identification information indicating whether the front-end device is connected to the back-end device;

[0072] The detection module is further configured to judge whether the front-end device is connected to the back-end device according to the identification information output by the status identification module.

[0073] Such as figure 2 As shown, the front-end device of the separate camera also includes a state identification module, which is connected to the detection module in the back-end device. The status identification module outputs identification information of whether the front-end device is connected to the back-end device to the...

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Abstract

The invention discloses a separated camera, power supply control method and device, the separated camera includes: a front-end device and a back-end device; the back-end device includes a control module, a first power supply module and a detection module; the control The module is connected with the detection module to control the detection module to be turned on; the detection module is used to detect whether the front-end equipment is connected to the back-end equipment, and send the detection result to the control module; the control The module is also connected to the first power supply module, and is further configured to control the first power supply module to supply power to the front-end equipment when the received detection result is that the front-end equipment is connected to the back-end equipment. This ensures that when the back-end equipment is powered on, first determine the connection between the front-end equipment and the back-end equipment, and then supply power to the front-end equipment, avoiding high-voltage glitches, making the front-end equipment plug-and-play, and supporting hot-plugging of the front-end equipment pull operation.

Description

technical field [0001] The invention relates to the technical field of video monitoring, in particular to a separate camera, a power supply control method and a device. Background technique [0002] The separated camera includes a front-end device and a back-end device. The front-end device is used to collect images and transmit them to the back-end device. The back-end device is used for image processing. The front-end device and the back-end device are generally connected by a long-distance cable. Up to about fifteen meters. Long cables present a problem of difficult wiring. [0003] In order to solve the problem of difficult wiring, Power Over Coaxial (POC) technology emerged as the times require. POC technology couples the power supply signal and image signal to the same coaxial cable for transmission. Its main purpose is to reduce wiring costs. Improve the convenience and safety of installation, so that only one coaxial cable is connected between the front-end equipme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225H04N5/232
CPCH04N23/50H04N23/65
Inventor 张本吴晴
Owner ZHEJIANG DAHUA TECH CO LTD