CN203722709U - High-definition network video device based on coaxial-cable transmission - Google Patents
High-definition network video device based on coaxial-cable transmission Download PDFInfo
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- CN203722709U CN203722709U CN201420084843.XU CN201420084843U CN203722709U CN 203722709 U CN203722709 U CN 203722709U CN 201420084843 U CN201420084843 U CN 201420084843U CN 203722709 U CN203722709 U CN 203722709U
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- network video
- receiver
- coaxial
- control module
- filter
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Abstract
The utility model provides a high-definition network video device based on coaxial-cable transmission. The device includes a network video recorder, a receiver connected with the network video recorder through a network cable, N transmitters connected with the receiver respectively through coaxial lines, N IP cameras connected with corresponding transmitters through network cables, wherein N is a positive integer, power sourcing equipment connected with the receiver. The network video recorder is connected with the receiver through the network cable and the N IP cameras are also connected with corresponding transmitters through network cables. The receiver and the transmitters are connected through the coaxial lines so that the plurality of paths of high-definition network cameras can be connected to the receiver through the coaxial lines for transmission and thus signals can be transmitted for a longer distance on the premise that the signals are not distorted. Moreover, the high-definition cameras only take electricity through the coaxial lines without extra wiring so that difficulty and cost brought by the wiring are reduced.
Description
Technical field
The utility model relates to technical field of security and protection, particularly a kind of high-definition network video device based on coaxial cable transmission.
Background technology
Network video machine (NVR, Network video recorder) connect front network video camera (IPC by Ethernet, IP Camera), it is the equipment of the functions such as the video image that web camera collection is also encoded, compressed is stored, preview, management, Internet Transmission.
Power-supply device (PSE, Power Sourcing Equipment) is network signal and data signal assembled, by netting twine to power receiving equipment, as the power supplies such as network video machine, web camera and transmission data.
Transmitter (Transmitter) is transmitted the network signal of web camera transmission after changing by coaxial line, and from coaxial line, isolates direct voltage by power-supply device and power to web camera.
Receiver (Receiver) is transferred to the processing of network video machine after converting the signal on coaxial line to network signal, and by power-supply device, the local direct voltage of reception is coupled on coaxial line and is transmitted.
In the prior art, the only corresponding transmitter of a common web camera and a receiver, overall plan cost is more expensive.In addition, transmitter can not be powered to web camera by coaxial line, needs extra wiring, has increased the cost of overall plan.
Utility model content
The purpose of this utility model is to provide a kind of high-definition network video device based on coaxial cable transmission, to solve the only corresponding transmitter of web camera of prior art and a receiver, the problem that overall plan cost is more expensive.
For solving the problems of the technologies described above, the utility model provides a kind of high-definition network video device based on coaxial cable transmission, comprising:
Network video machine;
Receiver, is connected with described network video machine by netting twine;
N transmitter, is connected with described receiver respectively by coaxial line;
N web camera, connects with corresponding transmitter by netting twine, and N is positive integer;
Power-supply device, is connected with described receiver.
Further, in the described high-definition network video device based on coaxial cable transmission, described transmitter comprises:
Send control module, for receive the digital signal of described web camera by a network interface, and convert described digital signal to analog signal;
Transmitted signal filter, is connected with described transmission control module;
Coaxial interface, is connected with described transmitted signal filter;
Send power-supply filter, be connected with described coaxial interface and transmitted signal filter respectively, for obtaining power supply signal from described coaxial interface;
Voltage transformation module, for converting described power supply signal to described transmission control module and the required voltage of described web camera.
Further, in the described high-definition network video device based on coaxial cable transmission, described receiver comprises:
Receive traffic filter;
Receive control module, be connected with described reception traffic filter, for receiving described analog signal, and convert described analog signal to digital signal, and by a network interface, described digital signal is sent to described network video machine;
Receive power-supply filter, be connected with described power-supply device, reception traffic filter and reception control module respectively.
Further, in the described high-definition network video device based on coaxial cable transmission, described transmission control module and described reception control module are the chips that can mate.
The high-definition network video device based on coaxial cable transmission that the utility model provides, there is following beneficial effect: described network video machine is connected by netting twine with described receiver, a described N web camera also connects by netting twine with corresponding transmitter, described receiver is connected by coaxial line with described transmitter, can multi-path high-definition web camera be linked into receiver by coaxial line with this and transmit, ensure that signal transmits farther distance under distortionless prerequisite.In addition, high-definition network camera only need be carried out power taking and need not additionally be connected up by coaxial line, has reduced difficulty and expense that wiring brings.
Brief description of the drawings
Fig. 1 is the schematic diagram of the high-definition network video device of the utility model embodiment based on coaxial cable transmission;
Fig. 2 is the schematic diagram of the transmitter of the high-definition network video device of the utility model embodiment based on coaxial cable transmission;
Fig. 3 is the schematic diagram of the receiver of the high-definition network video device of the utility model embodiment based on coaxial cable transmission.
Embodiment
Below in conjunction with the drawings and specific embodiments, the high-definition network video device based on coaxial cable transmission the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Please refer to Fig. 1, it is the schematic diagram of the high-definition network video device of the utility model embodiment based on coaxial cable transmission.As shown in Figure 1, the utility model provides a kind of high-definition network video device based on coaxial cable transmission, comprising:
Network video machine 11(NVR, Network video recorder);
Receiver 12(Receiver), be connected with described network video machine 11 by netting twine;
N transmitter 13(Transmitter), be connected with described receiver 12 respectively by coaxial line;
N web camera 14(IPC, IP Camera), connecting with corresponding transmitter 13 by netting twine, N is positive integer;
Power-supply device 15(PSE, Power Sourcing Equipment), be connected with described receiver 12, described power-supply device 15 provides electric energy to described receiver 12, described receiver 12 is coupled to voltage on coaxial line, described transmitter 13 powers to described web camera 14 by voltage subtraction and in conjunction with PSE function from coaxial line, that is to say, described power-supply device 15 all provides electric energy for all devices in the described high-definition network video device based on coaxial cable transmission, and the equipment that is not limited to mention in the utility model, short netting twine of 14 need of web camera just can transmit data like this, greatly reduce difficult wiring and construction cost.
Be noted that especially described web camera 14 can select the web camera of any producer, any model.Preferably, in the present embodiment, described web camera 14 and its corresponding transmitter 13 integrate, and are arranged at same control point.
Preferably, in the present embodiment, described network video machine 11 and described receiver 12 are arranged at same Control Room.Described web camera 14 and its corresponding transmitter 13 integrate, and are arranged at same control point.The utility model, in transmitting multi-path video situation, has ensured that signal has transmitted farther distance under distortionless prerequisite.
Please refer to Fig. 2, it is the schematic diagram of the transmitter 13 of the high-definition network video device of the utility model embodiment based on coaxial cable transmission.As shown in Figure 2, described transmitter 13 comprises:
Send control module 21, for receive the digital signal of described web camera 14 by a network interface 22, and convert described digital signal to analog signal;
Transmitted signal filter 23, is connected with described transmission control module 21;
Coaxial interface 24, is connected with described transmitted signal filter 23;
Send power-supply filter 25, be connected with described coaxial interface 24 and transmitted signal filter 23 respectively, for obtaining power supply signal from described coaxial interface 24;
Voltage transformation module 26, for converting described power supply signal to described transmission control module 21 and the required voltage of described web camera 14.
Please refer to Fig. 3, it is the schematic diagram of the receiver 12 of the high-definition network video device of the utility model embodiment based on coaxial cable transmission.As shown in Figure 3, described receiver 12 comprises:
Receive traffic filter 31;
Receive control module 32, be connected with described reception traffic filter 31, for receiving described analog signal, and convert described analog signal to digital signal, and by a network interface 33, described digital signal is sent to described network video machine 11;
Receive power-supply filter 34, be connected with described power-supply device 15, reception traffic filter 31 and reception control module 32 respectively, described power-supply device 15 provides electric energy to described reception power-supply filter 34, described reception power-supply filter 34 is coupled to voltage on coaxial line, and described transmitter is given described web camera power supply by voltage subtraction and in conjunction with PSE function from coaxial line.
Preferably, in the present embodiment, because the bandwidth of web camera is generally applied taking 8Mbps as main, and transmission control module bandwidth in transmitter can reach 50Mbps, sending control module, to be used in transmitting terminal bandwidth enough, when described reception control module and described transmission control module be can mate chip time, now can on coaxial line, transmission simultaneously be less than or equal to the web camera of 6, be very suitable for the occasion of small-sized monitoring, if for the occasion of multiple spot, only need to change the reception control module of receiver, realize more access bandwidth, can access at most 64 web cameras simultaneously.
Foregoing description is only the description to the utility model preferred embodiment; the not any restriction to the utility model scope; any change, modification that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, all belong to the protection range of claims.
Claims (4)
1. the high-definition network video device based on coaxial cable transmission, is characterized in that, comprising:
Network video machine;
Receiver, is connected with described network video machine by netting twine;
N transmitter, is connected with described receiver respectively by coaxial line;
N web camera, connects with corresponding transmitter by netting twine, and N is positive integer;
Power-supply device, is connected with described receiver.
2. the high-definition network video device based on coaxial cable transmission as claimed in claim 1, is characterized in that, described transmitter comprises:
Send control module, for receive the digital signal of described web camera by a network interface, and convert described digital signal to analog signal;
Transmitted signal filter, is connected with described transmission control module;
Coaxial interface, is connected with described transmitted signal filter;
Send power-supply filter, be connected with described coaxial interface and transmitted signal filter respectively, for obtaining power supply signal from described coaxial interface;
Voltage transformation module, for converting described power supply signal to described transmission control module and the required voltage of described web camera.
3. the high-definition network video device based on coaxial cable transmission as claimed in claim 2, is characterized in that, described receiver comprises:
Receive traffic filter;
Receive control module, be connected with described reception traffic filter, for receiving described analog signal, and convert described analog signal to digital signal, and by a network interface, described digital signal is sent to described network video machine;
Receive power-supply filter, be connected with described power-supply device, reception traffic filter and reception control module respectively.
4. the high-definition network video device based on coaxial cable transmission as claimed in claim 3, is characterized in that, described transmission control module and described reception control module be can mate chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084843.XU CN203722709U (en) | 2014-02-26 | 2014-02-26 | High-definition network video device based on coaxial-cable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084843.XU CN203722709U (en) | 2014-02-26 | 2014-02-26 | High-definition network video device based on coaxial-cable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722709U true CN203722709U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084843.XU Expired - Fee Related CN203722709U (en) | 2014-02-26 | 2014-02-26 | High-definition network video device based on coaxial-cable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722709U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111614870A (en) * | 2020-04-24 | 2020-09-01 | 北京中庆现代技术股份有限公司 | Distributed camera management system |
| CN111654657A (en) * | 2020-05-08 | 2020-09-11 | 北京中庆现代技术股份有限公司 | Recorded broadcast system supporting POC and COC |
-
2014
- 2014-02-26 CN CN201420084843.XU patent/CN203722709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111614870A (en) * | 2020-04-24 | 2020-09-01 | 北京中庆现代技术股份有限公司 | Distributed camera management system |
| CN111654657A (en) * | 2020-05-08 | 2020-09-11 | 北京中庆现代技术股份有限公司 | Recorded broadcast system supporting POC and COC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |