CN102045539A - Monitoring device using net wire to transmit video signals, stabilized voltage and control signals - Google Patents
Monitoring device using net wire to transmit video signals, stabilized voltage and control signals Download PDFInfo
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- CN102045539A CN102045539A CN2009102017190A CN200910201719A CN102045539A CN 102045539 A CN102045539 A CN 102045539A CN 2009102017190 A CN2009102017190 A CN 2009102017190A CN 200910201719 A CN200910201719 A CN 200910201719A CN 102045539 A CN102045539 A CN 102045539A
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Abstract
The invention relates to a monitoring device, in particular to a monitoring device using a net wire to transmit video signals, stabilized voltage and control signals. The monitoring device comprises a camera end and a control end, wherein the camera end is connected with a connecting port RJ45; the control end is at least connected with a connecting port RJ45; and the connecting port RJ45 is connected with the connecting port RJ45 through the net wire. Compared with the prior art, the monitoring device using the net wire to transmit the video signals, the stabilized voltage and the control signals can solve problems which can be solved only by a plurality of lines by only one eight-core unshielded twisted-pair net wire, so that a great number of coaxial cables for transmission, power supply transmission cables, control wires and the like can be saved, the cost is greatly saved, and the monitoring device is more convenient to maintain in the later period.
Description
Technical field
The present invention relates to a kind of supervising device, particularly a kind of supervising device that uses netting twine transmission video signal, burning voltage and control signal.
Background technology
Raising gradually along with up-to-dateness, some supervisory control systems more and more are applied in multiple occasions such as various public places and dwelling house, the monitoring product of some transmission power supplys in the past, the voltage of electrical appliance end can descend gradually along with the increase of the growth of transmission line and power, often cisco unity malfunction has limited transmission range because not obtaining stable operating voltage for video camera and other electrical appliance.Simultaneously, in security protection, the full-automatic recorded broadcast engineering of monitoring and school etc. all needs to install video camera, an engineering often needs to install a plurality of video cameras, and existing scheme is the video signal transmission video camera, power supply, control all separates wiring, we need seek a kind of low cost, and it is simple and reliable to construct, and guarantee the scheme of video transmission quality.
Summary of the invention
It is simple and convenient, with low cost and guarantee the supervising device of netting twine transmission video signal, burning voltage and the control signal of video transmission quality that the technical problem to be solved in the present invention provides the wiring of a kind of monitoring camera-shooting.
For solving the problems of the technologies described above, the supervising device of described netting twine transmission video signal, burning voltage and control signal, comprise video camera end and control end, it is characterized in that: described video camera end be connected to a connectivity port RJ45208, described control end is connected to a connectivity port RJ45101 at least, and above-mentioned connectivity port RJ45208 is connected by netting twine with connectivity port RJ45101.
Described netting twine is for surpassing 5 class netting twines or 6 class netting twines.
The connectivity port RJ45208 of described video camera end is made up of three parts: camera video input, 12VDC input and the input of RS485 control signal.
The signal of described camera video input is that the vision signal by video camera 201 inputs transfers differential signal to through EL5171 chip 202 earlier, imports described RJ45208's into through impedance matching network 203 and lightning protection electrostatic protection 204 circuit again.
Described 12VDC input is connected with the 12VDC output 205 of video camera with LM317 voltage stabilizing circuit 206 by rectifying device 207.
Described RS485 control signal input is connected with the RS485 control 209 of video camera by lightning protection electrostatic protection 210 circuit.
The connectivity port RJ45101 of described control end is made up of three parts: difference video signal is primary circuit, camera power supply input and control signal input also.
The described difference video signal also difference video signal in the primary circuit is sent into EL5172 chip 104 through lightning protection electrostatic protection 102 circuit and impedance matching network 103 circuit earlier, restores analog video signal by described EL5172 chip 104 and enters video monitoring platform.
Described control signal input is connected with RS485 control 106 through lightning protection electrostatic protection 105 circuit.
Described camera power supply input links to each other with 24VDC input 107.
Adopt above-mentioned technology, the invention reside in and utilize eight common core non-shielding twisted-pair feeder netting twines just simultaneously transmission of video, stabilized voltage power supply, audio frequency or control signal.Netting twine has four twisted pair wires, and a twisted pair wire is as video signal transmission, and a twisted pair wire transmits as control signal, and two pairs as power delivery.The supervising device control end will be connected by many circuits such as video signal transmission wire, power line and control signal transmission lines respectively with the shooting end in the prior art.Relative prior art, the present invention only needs one eight core non-shielding twisted-pair feeder netting twine just can handle just soluble problem of many circuits, can save the coaxial cable and the cables such as power delivery cable and control line that are used to transmit usefulness in a large number, a large amount of saving costs, and the maintenance in later stage also can be more convenient.
Description of drawings
Fig. 1 is the structure chart of the control end of the supervising device of netting twine transmission video signal of the present invention, burning voltage and control signal.
Fig. 2 is the structure chart of the video camera end of the supervising device of netting twine transmission video signal of the present invention, burning voltage and control signal.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
The control end of the supervising device of as shown in Figure 1 netting twine transmission video signal, burning voltage and control signal, the connectivity port RJ45101 of control end is made up of three parts: difference video signal is primary circuit, camera power supply input and control signal input also.
The described difference video signal also difference video signal in the primary circuit is sent into EL5172 chip 104 through lightning protection electrostatic protection 102 circuit and impedance matching network 103 circuit earlier, restores analog video signal by described EL5172 chip 104 and enters video monitoring platform.
Described control signal input is connected with RS485 control 106 through lightning protection electrostatic protection 105 circuit.
Described camera power supply input links to each other with 24VDC input 107.
The video camera end of the supervising device of as shown in Figure 2 netting twine transmission video signal, burning voltage and control signal, the connectivity port RJ45208 of video camera end is made up of three parts: camera video input, 12VDC input and the input of RS485 control signal.
The signal of described camera video input is that the vision signal by video camera 201 inputs transfers differential signal to through EL5171 chip 202 earlier, imports described RJ45208's into through impedance matching network 203 and lightning protection electrostatic protection 204 circuit again.
Described 12VDC input is connected with the 12VDC output 205 of video camera with LM317 voltage stabilizing circuit 206 by rectifying device 207.
Described RS485 control signal input is connected with the RS485 control 209 of video camera by lightning protection electrostatic protection 210 circuit.
Described video camera end be connected to a connectivity port RJ45208, described control end is connected to a connectivity port RJ45101 at least, above-mentioned connectivity port RJ45208 is connected by netting twine with connectivity port RJ45101.
Described netting twine is for surpassing 5 class netting twines or 6 class netting twines.By the power of netting twine resistance consumption, calculate equally with short netting twine, be easy to obtain at netting twine resistance during less than 18 ohm, just can provide enough power to video camera; The common 5 class netting twines D.C. resistance when 30m that surpasses of actual test is about 18 ohm, 6 class netting twines D.C. resistance when 300m is about 18 ohm, so this module in use can be according to obstructed environmental selection netting twine kind, transmission range can be selected the common 5 class netting twines that surpass during less than 30m, and transmission range need be used 6 class netting twines during greater than 30m.
The invention reside in and utilize eight common core non-shielding twisted-pair feeder netting twines just simultaneously transmission of video, stabilized voltage power supply, audio frequency or control signal.Netting twine has four twisted pair wires, and a twisted pair wire is as video signal transmission, and a twisted pair wire transmits as control signal, and two pairs as power delivery.The supervising device control end will be connected by many circuits such as video signal transmission wire, power line and control signal transmission lines respectively with the shooting end in the prior art.Relative prior art, the present invention only needs one eight core non-shielding twisted-pair feeder netting twine just can handle just soluble problem of many circuits, can save the coaxial cable and the cables such as power delivery cable and control line that are used to transmit usefulness in a large number, a large amount of saving costs, and the maintenance in later stage also can be more convenient.
Claims (10)
1. the supervising device of a netting twine transmission video signal, burning voltage and control signal, comprise video camera end and control end, it is characterized in that: described video camera end be connected to a connectivity port RJ45 (208), described control end is connected to a connectivity port RJ45 (101) at least, and above-mentioned connectivity port RJ45 (208) is connected by netting twine with connectivity port RJ45 (101).
2. the supervising device of netting twine transmission video signal according to claim 1, burning voltage and control signal is characterized in that: described netting twine is for surpassing 5 class netting twines or 6 class netting twines.
3. the supervising device of netting twine transmission video signal according to claim 1, burning voltage and control signal is characterized in that: the connectivity port RJ45 (208) of described video camera end is made up of three parts: camera video input, 12VDC input and the input of RS485 control signal.
4. the supervising device of netting twine transmission video signal according to claim 3, burning voltage and control signal; it is characterized in that: the signal of described camera video input is that the vision signal by video camera (201) input transfers differential signal to through EL5171 chip (202) earlier, passes through impedance matching network (203) again and lightning protection electrostatic protection (204) circuit is imported into described RJ45's (208).
5. the supervising device of netting twine transmission video signal according to claim 3, burning voltage and control signal is characterized in that: described 12VDC input is connected with the 12VDC output (205) of video camera with LM317 voltage stabilizing circuit (206) by rectifying device (207).
6. the supervising device of netting twine transmission video signal according to claim 3, burning voltage and control signal is characterized in that: described RS485 control signal input is connected with the RS485 control (209) of video camera by lightning protection electrostatic protection (210) circuit.
7. the supervising device of netting twine transmission video signal according to claim 1, burning voltage and control signal is characterized in that: the connectivity port RJ45 (101) of described control end is made up of three parts: difference video signal is primary circuit, camera power supply input and control signal input also.
8. the supervising device of netting twine transmission video signal according to claim 7, burning voltage and control signal; it is characterized in that: the described difference video signal also difference video signal in the primary circuit is sent into EL5172 chip (104) through lightning protection electrostatic protection (102) circuit and impedance matching network (103) circuit earlier, restores analog video signal by described EL5172 chip (104) and enters video monitoring platform.
9. the supervising device of netting twine transmission video signal according to claim 7, burning voltage and control signal is characterized in that: described control signal input is connected with RS485 control (106) through lightning protection electrostatic protection (105) circuit.
10. the supervising device of netting twine transmission video signal according to claim 7, burning voltage and control signal is characterized in that: described camera power supply input is connected with 24VDC input (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102017190A CN102045539A (en) | 2009-10-26 | 2009-10-26 | Monitoring device using net wire to transmit video signals, stabilized voltage and control signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102017190A CN102045539A (en) | 2009-10-26 | 2009-10-26 | Monitoring device using net wire to transmit video signals, stabilized voltage and control signals |
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| Publication Number | Publication Date |
|---|---|
| CN102045539A true CN102045539A (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102017190A Pending CN102045539A (en) | 2009-10-26 | 2009-10-26 | Monitoring device using net wire to transmit video signals, stabilized voltage and control signals |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333743A (en) * | 2014-11-25 | 2015-02-04 | 深圳市捷顺科技实业股份有限公司 | Video transmission device |
| WO2018176860A1 (en) * | 2017-04-01 | 2018-10-04 | 深圳市优特普科技有限公司 | Video camera based on rj interface |
| CN108650560A (en) * | 2018-05-17 | 2018-10-12 | 郑州云海信息技术有限公司 | A kind of network interface and optimization method for taking into account electromagnetic compatibility and signal integrity |
| CN114007010A (en) * | 2021-09-09 | 2022-02-01 | 安徽旭辰达电子科技有限公司 | Multi-path control and cutting all-in-one machine for single cable power supply and communication |
-
2009
- 2009-10-26 CN CN2009102017190A patent/CN102045539A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333743A (en) * | 2014-11-25 | 2015-02-04 | 深圳市捷顺科技实业股份有限公司 | Video transmission device |
| WO2018176860A1 (en) * | 2017-04-01 | 2018-10-04 | 深圳市优特普科技有限公司 | Video camera based on rj interface |
| CN108650560A (en) * | 2018-05-17 | 2018-10-12 | 郑州云海信息技术有限公司 | A kind of network interface and optimization method for taking into account electromagnetic compatibility and signal integrity |
| CN114007010A (en) * | 2021-09-09 | 2022-02-01 | 安徽旭辰达电子科技有限公司 | Multi-path control and cutting all-in-one machine for single cable power supply and communication |
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Application publication date: 20110504 |