CN204906525U - Internet vidicon - Google Patents
Internet vidicon Download PDFInfo
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- CN204906525U CN204906525U CN201520657705.0U CN201520657705U CN204906525U CN 204906525 U CN204906525 U CN 204906525U CN 201520657705 U CN201520657705 U CN 201520657705U CN 204906525 U CN204906525 U CN 204906525U
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Abstract
The utility model discloses an internet vidicon. Wherein, this internet vidicon includes: camera main part and tail wire device, wherein, the camera main part is connected through tail wire interface and tail wire device electricity for output video signal, the tail wire device is connected through camera interface and camera main part electricity for convert the network interface of received video signal in through the tail wire device into coaxial cable's incoming signal. The utility model provides a because current engineering circuit is upgraded the difficulty, the internet vidicon who leads to possessing the IP core and BNC circuit be unable to match compatible technical problem.
Description
Technical field
The utility model relates to electrical application technology field, in particular to a kind of web camera.
Background technology
Along with the development of science and technology, the technological innovation of particularly security protection industry, being seen everywhere of coaxial transmission technology, in existing engineer applied, namely, be distributed with a large amount of coaxial cable connector (BayonetNutConnector, be called for short BNC) engineering circuit, meanwhile, along with the development of security and guard technology, each number of types word machine core, web camera IP movement also go on the market in succession, especially IP movement, possess good management with this movement and access the feature experiencing and possess good video quality, becoming the movement that existing security protection industry generally uses.
But in the laying of existing engineering circuit, due to BNC lines escalation trouble, or due to new network wiring cost too high, cause the web camera IP possessing IP movement cannot mate compatibility with BNC circuit, and then become the reason hindering universal IP movement to use.
For above-mentioned due to existing engineering circuit scaling difficulty, cause the web camera IP possessing IP movement cannot mate compatible problem with BNC circuit, not yet propose effective solution at present.
Utility model content
The utility model embodiment provides a kind of web camera, at least to solve due to existing engineering circuit scaling difficulty, causes the web camera possessing IP movement cannot mate compatible technical problem with BNC circuit.
According to an aspect of the utility model embodiment, provide a kind of web camera, comprising: camera body and buttock line device, wherein, camera body, is electrically connected with buttock line device, for outputting video signal by buttock line interface; Buttock line device, is electrically connected with camera body by camera interface, for the vision signal received to be converted to the input signal of coaxial cable by the network interface in buttock line device.
In the utility model embodiment, video data is changed via buttock line device by buttock line interface by camera body, obtain the input signal of coaxial cable, reach the object of the compatibility of web camera IP and BNC circuit, thus achieve the technique effect saved lines escalation cost and reduce rewiring cost, and then solve due to existing engineering circuit scaling difficulty, cause the web camera possessing IP movement cannot mate compatible technical problem with BNC circuit.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of web camera according to the utility model embodiment;
Fig. 2 is the structural representation according to the network interface in the another kind of web camera median caudal filament device of the utility model embodiment;
Fig. 2 a is the structural representation according to the network interface in another web camera median caudal filament device of the utility model embodiment; And,
Fig. 2 b is the structural representation according to the network interface in another web camera median caudal filament device of the utility model embodiment.
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in specification of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the utility model embodiment, provide a kind of apparatus embodiments of web camera, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 1 is the structural representation of a kind of web camera according to the utility model embodiment, and as shown in Figure 1, this equipment comprises: camera body 12 and buttock line device 14, wherein,
Camera body 12, is electrically connected with buttock line device 14, for outputting video signal by buttock line interface 121;
Buttock line device 14, is electrically connected with camera body 12 by camera interface 141, for providing network interface 142 to be converted to the input signal of coaxial cable the vision signal received.
Concrete, a kind of web camera in the embodiment of the present application goes for coaxial cable connector (BayonetNutConnector, be called for short BNC) circuit, camera body 12 is electrically connected with buttock line device 14 by buttock line interface 121, vision signal is inputted buttock line device, and then be electrically connected with camera body 12 by camera interface 141 by buttock line device 14, the vision signal received is converted to the input signal of coaxial cable by the network interface 142 in buttock line device 14.Thus the vision signal realizing web camera output can be compatible with the BNC line matching belonging to coaxial cable, make legacy user with the upgrading of less cost completion system, enjoy IP epoch advantage.
The web camera that the utility model embodiment provides, video data is changed via buttock line device 14 by buttock line interface 121 by camera body 12, obtain the input signal of coaxial cable, reach the object of the compatibility of web camera IP and BNC circuit, thus achieve the technique effect saved lines escalation cost and reduce rewiring cost, and then solve due to existing engineering circuit scaling difficulty, cause the web camera possessing IP movement cannot mate compatible technical problem with BNC circuit.
Preferably, network interface 142 is the network interface embedding ethernet signal conversion equipment.
Wherein, buttock line device 14 in the embodiment of the present application can be embedded with integrated coaxial cable transmission wideband data technology (EthernetOverCoax for network interface 142, be called for short EOC) the New Tail line apparatus of device, this EOC device is for changing ethernet signal.
Buttock line device 14 in the embodiment of the present application is described with the traditional thread binding example that is set to of the New Tail being embedded with EOC device, the buttock line device of EOC device is embedded with by this, the vision signal of web camera IP is converted to the input signal of coaxial cable, there is upgrading simple, stable, advantage with low cost is concrete, be as the criterion with the web camera realizing the embodiment of the present application and provide for the device of convert video signals in buttock line device, be not specifically limited.
Further, Fig. 2 is the structural representation according to the network interface in the another kind of web camera median caudal filament device of the utility model embodiment, as shown in Figure 2, network interface 142 comprises: D/A converter 1421, filter 1422, analog line terminal 1423 and interface filter circuit 1424, wherein
D/A converter 1421, is electrically connected with filter 1422, for the vision signal received is converted to analog signal by digital signal;
Wherein, in the embodiment of the present application, D/A converter 1421 can be PHY/MAC chip, namely, be integrated with the functional chip of media access controller (MAC) and physical interface transceiver (PHY), the vision signal that D/A converter 1421 is inputted by buttock line interface 121 by MII interface or FE interface camera body 12, is undertaken being converted to analog signal by the signal type of this vision signal in digital to analog converter 1421.
Filter 1422, is electrically connected with D/A converter 1421 and analog line terminal 1423 respectively, for analog signal filtering, obtains filtered analog signal;
Analog line terminal 1423, is electrically connected with filter 1422 and interface filter circuit 1424 respectively, is the first analog input signal of coaxial cable for the analog signal after translation filtering;
Interface filter circuit 1424, is electrically connected with analog line terminal 1423, for the first analog input signal is coupled as input signal.
Concrete, the web camera provided in the embodiment of the present application is provided, it is by camera body 12 to coaxial cable that signal in buttock line device 14 flows to, D/A converter 1421 is by Media Independent Interface (MediaIndependentInterface, be called for short MII) interface or Fast Ethernet (FastEthernet, be called for short FE) interface camera body 12 input video data, changed by D/A converter 1421, this video data is converted to analog signal by digital signal, by filter 1422, filtering is carried out to the analog signal after conversion, obtain filtered analog signal, further by analog line terminal 1423, this filtered analog signal is changed, obtain the first analog input signal of coaxial cable, finally, via interface filter circuit 1424, this first analog input signal is coupled, obtain the input signal of coaxial cable.
Wherein, Fig. 2 a is the structural representation according to the network interface in another web camera median caudal filament device of the utility model embodiment, as shown in Figure 2 a, here D/A converter 1421 is for MAC/PHY, filter 1422 is for filter FILTER, analog line terminal 1423 is with rectification/feedback unit (ActiveFrontEnd, be called for short AFE) be example, interface filter circuit 1424 consists of example with wave reception filtering circuit RECEIVEfilter and coaxial coupling COAXcouple and is described:
The vision signal of camera body 12 is for Ethernet data (eth data), input MAC/PHY, analog signal is converted to by MAC/PHY, this analog signal flows into FILTER and carries out filtering, obtain filtered analog signal, by AFE, filtered analog signal is changed, obtain the first analog input signal of coaxial cable, finally by by COAXcouple, the first analog input signal is coupled, obtains the input signal of coaxial cable.
As from the foregoing, D/A converter 1421 in above-mentioned network interface 142, filter 1422, analog line terminal 1423 and interface filter circuit 1424 can for being integrated in the functional module in EOC device, buttock line device in the web camera that the embodiment of the present application provides, embed above-mentioned EOC device for network interface 142 to be described, the web camera provided to realize the embodiment of the present application is as the criterion, and does not specifically limit.
Further, Fig. 2 b is the structural representation according to the network interface in another web camera median caudal filament device of the utility model embodiment, as shown in Figure 2 b, when buttock line device 14 receives the control signal of coaxial cable input, buttock line device 14 also comprises:
Interface filter circuit 1424, is carried out filtering for the control signal received by butt coupling, obtains filtered control signal;
Analog line terminal 1423, for the control signal after translation filtering, obtains the second analog input signal of web camera;
Filter 1422, for the second analog input signal filtering, obtains filtered second analog input signal;
D/A converter 1421, for being converted to digital signal to filtered second analog input signal by analog signal, obtains the second analog input signal that signal type is digital signal.
Preferably, filter 1422 is low pass filter.
Preferably, analog line terminal 1423 comprises: amplifier.
Preferably, interface filter circuit 1424 comprises: filter circuit 14241, and/or coupling circuit 14242.
Further, this filter circuit 14241 comprises: band pass filter 142411.
Concrete, as shown in Figure 2 b, in the web camera median caudal filament device 14 that the embodiment of the present application provides, D/A converter 1421 can be the functional chip of model AR7410MAC/PHY, filter 1422 can be low pass filter (LowPassFilter, be called for short LPF), analog line terminal 143 can be the AFE drive unit of AR1500AFE for model, interface filter circuit 1424 can be made up of band pass filter (BandPassFilter is called for short BPF) 142411 and coupling circuit 14242.
Wherein, when buttock line device 14 receives the control signal of coaxial cable input, coupling circuit 14242 receives the control signal of coaxial cable input, this control signal is analog signal, be coupled by coupling circuit 14242 and obtain filtered control signal via BPF142411 filtering, further change via AR1500AFE, obtain the second analog input signal of web camera, by LPF filtering, the second analog input signal input AR7410MAC/PHY is carried out D/A switch, obtain being converted to the control signal that signal type is digital signal, and input camera body 12 by main interface (HostInterface).
In addition, AR7410MAC/PHY in the buttock line device 14 that the embodiment of the present application provides also is electrically connected with system clock pin, phase-locked loop (PhaseLockedLoop is there is between AR7410MAC/PHY and LPF, be called for short PLL) control, for unified integration time pulse signal (vision signal after conversion or the control signal before changing).
As from the foregoing, the buttock line device 14 that the embodiment of the present application provides only is described for above-mentioned, and the web camera provided to realize the embodiment of the present application is as the criterion, and does not specifically limit.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that the technical solution of the utility model contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the utility model.And aforesaid storage medium comprises: USB flash disk, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. a web camera, is characterized in that, comprising: camera body and buttock line device, wherein,
Described camera body, is electrically connected, for outputting video signal with described buttock line device by buttock line interface;
Described buttock line device, is electrically connected with described camera body by camera interface, for the described vision signal received to be converted to the input signal of coaxial cable by the network interface in described buttock line device.
2. web camera according to claim 1, is characterized in that, described network interface is the network interface embedding ethernet signal conversion equipment.
3. web camera according to claim 2, is characterized in that, described network interface comprises: D/A converter, filter, analog line terminal and interface filter circuit, wherein,
Described D/A converter, for being converted to analog signal by the described vision signal received by digital signal;
Described filter, for described analog signal filtering, obtains filtered analog signal;
Described analog line terminal is the first analog input signal of described coaxial cable for the described analog signal after translation filtering;
Described interface filter circuit, for being coupled as described input signal by described first analog input signal.
4. web camera according to claim 3, is characterized in that,
Described in described network interface, D/A converter is electrically connected with described filter, and described analog line terminal is electrically connected with described filter and described interface filter circuit respectively.
5. web camera according to claim 4, is characterized in that, when described buttock line device receives the control signal of described coaxial cable input, described buttock line device also comprises:
Described interface filter circuit, is carried out filtering for the described control signal received by butt coupling, obtains filtered control signal;
Described analog line terminal, for the described control signal after translation filtering, obtains the second analog input signal of web camera;
Described filter, for described second analog input signal filtering, obtains filtered second analog input signal;
Described D/A converter, for being converted to digital signal to filtered described second analog input signal by analog signal, obtains the second analog input signal that signal type is digital signal.
6. web camera according to claim 3, is characterized in that, described filter is low pass filter.
7. web camera according to claim 3, is characterized in that, described analog line terminal comprises: amplifier.
8. web camera according to claim 3, is characterized in that, described interface filter circuit comprises: filter circuit, and/or coupling circuit.
9. web camera according to claim 8, is characterized in that, described filter circuit comprises: band pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657705.0U CN204906525U (en) | 2015-08-27 | 2015-08-27 | Internet vidicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657705.0U CN204906525U (en) | 2015-08-27 | 2015-08-27 | Internet vidicon |
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| CN204906525U true CN204906525U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520657705.0U Active CN204906525U (en) | 2015-08-27 | 2015-08-27 | Internet vidicon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966249A (en) * | 2017-06-01 | 2017-07-21 | 深圳金三立视频科技股份有限公司 | Elevator monitoring system |
| CN107612821A (en) * | 2017-09-06 | 2018-01-19 | 东莞市博成硅胶制品有限公司 | A kind of IP DTV converters and its application |
| CN112104795A (en) * | 2019-06-17 | 2020-12-18 | 杭州海康威视数字技术股份有限公司 | Analog camera and image acquisition system |
-
2015
- 2015-08-27 CN CN201520657705.0U patent/CN204906525U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966249A (en) * | 2017-06-01 | 2017-07-21 | 深圳金三立视频科技股份有限公司 | Elevator monitoring system |
| CN107612821A (en) * | 2017-09-06 | 2018-01-19 | 东莞市博成硅胶制品有限公司 | A kind of IP DTV converters and its application |
| CN112104795A (en) * | 2019-06-17 | 2020-12-18 | 杭州海康威视数字技术股份有限公司 | Analog camera and image acquisition system |
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