CN206585638U - A kind of video camera - Google Patents
A kind of video camera Download PDFInfo
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- CN206585638U CN206585638U CN201720166404.7U CN201720166404U CN206585638U CN 206585638 U CN206585638 U CN 206585638U CN 201720166404 U CN201720166404 U CN 201720166404U CN 206585638 U CN206585638 U CN 206585638U
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- module
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- video camera
- coaxial line
- power supply
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Abstract
The utility model embodiment provides a kind of video camera, including photographing module, coaxial line interface, power supply signal pass through module by module, control signal by module and vision signal；And, coaxial line interface is connected by power supply signal by the power supply signal end of module and photographing module；Coaxial line interface is connected by control signal by module and the control signal end of photographing module；Coaxial line interface is connected by vision signal by the vision signal end of module and photographing module.Compared with prior art, between this video camera and background devices only by a coaxial line can complete power supply, three kinds of signal with different type of control and video transmission, so as to larger simplification video camera profile fishing line and simplify engineering wiring, save engineering cost.
Description
Technical field
The utility model is related to signal transmission technology field between the video camera of camera system and background devices, particularly relates to
And a kind of video camera.
Background technology
Usually, video camera needs to carry out power supply signal, the three kinds of signals friendships of vision signal and control signal with background devices
Mutually.
Existing video camera has power supply signal interface, control signal interface and video signal interface, and power supply signal connects
The power supply signal end of mouth and the photographing module of video camera is directly connected to, and the control signal end of control signal interface and photographing module is straight
Connect, connected between the vision signal end of video signal interface and photographing module in succession.
In actual use, video camera and background devices by power signal line, control signal wire and video signal cable this three
Class cable is connected, to be that camera chain is powered, is controlled signal between background devices and photographing module by background devices
Transmitted in both directions, and photographing module is by video signal transmission to background devices.It will be appreciated that this signal transmission form causes shooting
It is high that the engineering of machine connects up numerous and diverse, cost.
In view of this, how to simplify the engineering wiring of video camera, be those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The purpose of the utility model embodiment is to provide a kind of video camera, to realize the mesh of simplified video camera engineering wiring
's.Concrete technical scheme is as follows：
Video camera provided by the utility model includes photographing module, coaxial line interface, power supply signal and passes through module, control
Signal passes through module by module and vision signal；
The coaxial line interface is connected by the power supply signal by module with the power supply signal end of the mainboard；
The coaxial line interface is connected by the control signal by module with the control signal end of the mainboard；
The coaxial line interface is connected by the vision signal by module with the vision signal end of the mainboard.
Alternatively, the power supply signal is specially low pass filter by module, and the control signal is specific by module
For bandpass filter, the vision signal is specially high-pass filter by module；
The low pass filter can by frequency be less than the bandpass filter can be by frequency, the bandpass filtering
Device can be less than the high-pass filter by frequency can pass through frequency by frequency and more than the low pass filter.
Alternatively, the high-pass filter is specially what is be arranged in parallel with the low pass filter and the bandpass filter
Electric capacity.
Alternatively, the vision signal is specially that SDI vision signals pass through module by module.
Alternatively, the vision signal is specially that SD-SDI vision signals pass through module by module.
Alternatively, the vision signal is specially that HD-SDI vision signals pass through module by module.
Alternatively, the vision signal is specially that 3G-SDI vision signals pass through module by module.
Alternatively, in addition to coaxial line；The coaxial line electrically connects with the coaxial line interface grafting and can transmit power supply
Signal, three kinds of composite signals of control signal and vision signal.
The utility model embodiment provide video camera include photographing module, coaxial line interface, power supply signal by module,
Control signal passes through module by module and vision signal；And, coaxial line interface passes through module and shooting mould by power supply signal
The power supply signal end connection of block；Coaxial line interface is connected by control signal by module and the control signal end of photographing module；
Coaxial line interface is connected by vision signal by the vision signal end of module and photographing module.
Compared with prior art, this video camera and background devices can coaxial line connection, the coaxial line signal can even transmit
Power supply signal, three kinds of composite signals of control signal and vision signal, and module, control are passed through by power supply signal inside video camera
Signal processed will be transmitted to photographing module by module and vision signal by module after three kinds of different types of signal separation process
Corresponding signal end.That is, between video camera and background devices only by a coaxial line can complete power supply, control and
The transmission of three kinds of signal with different type of video, so as to larger simplification video camera profile fishing line and simplified engineering wiring, is saved
Engineering cost.
Certainly, implement any product of the present utility model or method it is not absolutely required to while reaching all the above
Advantage.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is provided the structured flowchart of the specific embodiment of video camera one by the utility model；
Fig. 2 is provided the structured flowchart of video camera another specific embodiment by the utility model；
Fig. 3 is the operation principle schematic diagram of low pass filter；
Fig. 4 is the operation principle schematic diagram of bandpass filter.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, the figure is provided the structured flowchart of the specific embodiment of video camera one by the utility model.
The video camera include photographing module, coaxial line interface, power supply signal by module, control signal is by module and regards
Frequency signal passes through module.
It should be noted that coaxial line interface can these three be believed with being compounded with power supply signal, control signal and vision signal
Number coaxial line grafting electrical connection, i.e., coaxial line electrically connects with coaxial line interface grafting and can transmit power supply signal, control signal
It is system power supply so that the power supply signal for providing background devices is transmitted to video camera with three kinds of composite signals of vision signal,
And in video camera and background devices transmitted in both directions control signal between the two, while by the video signal transmission of video camera to backstage
Equipment.
Photographing module specifically include imaging unit and control unit etc. can in acquisition monitoring region image common camera
Had primary functional elements, are repeated no more herein.
And, coaxial line interface is connected by power supply signal by the power supply signal end of module and photographing module；
Coaxial line interface is connected by control signal by module and the control signal end of photographing module；
Coaxial line interface is connected by vision signal by the vision signal end of module and photographing module.
Compared with prior art, this video camera and background devices can coaxial line connection, the coaxial line signal can even transmit
Power supply signal, three kinds of composite signals of control signal and vision signal, and module, control are passed through by power supply signal inside video camera
Signal processed will be transmitted to photographing module by module and vision signal by module after three kinds of different types of signal separation process
Corresponding signal end.That is, between video camera and background devices only by a coaxial line can complete power supply, control and
The transmission of three kinds of signal with different type of video, so as to larger simplification video camera profile fishing line and simplified engineering wiring, is saved
Engineering cost.
Specifically, referring to Fig. 2, the figure is provided the structured flowchart of video camera another specific embodiment by the utility model.
Power supply signal is specially low pass filter by module, and control signal is specially bandpass filter by module, depending on
Frequency signal is specially high-pass filter by module；
Low pass filter can be less than bandpass filter by frequency can be by frequency, bandpass filter can pass through frequency
Rate can pass through frequency less than high-pass filter by frequency and more than low pass filter.
Next, the Signal separator principle to the video camera by taking physical circuit figure in Fig. 3 and 4 as an example is described in detail,
Wherein, Fig. 3 is the operation principle schematic diagram of low pass filter, and Fig. 4 is the operation principle schematic diagram of bandpass filter.
It is assumed that：
1st, power supply frequency of supply scope is 50Hz~60Hz (low frequency)；
2nd, control signal frequency range is 100KHz~200KHz (intermediate frequency)；
3rd, frequency video signal scope is more than 1GHz (high frequency).
That is, be that total interface is seen into by three-in-one composite signal of J10 BNC, the frequency model of composite signal
Enclosing is：50Hz~60Hz (low frequency)+100KHz~200KHz (intermediate frequency) more than+1GHz (high frequency).
The major function of low pass filter is that power supply signal is three-in-one from power supply signal, vision signal, control signal
Separate and powered to camera chain in composite signal.
In detail, this four inductance of L41, L44, L43, L9 of low pass filter shown in Fig. 3 and C84 this electric capacity compositions LC
Low pass filter, this low pass filter can filter out 100KHz~200KHz (intermediate frequency) more than+1GHz (high frequency), only remaining
50Hz~60Hz (low frequency) power supply signal；Two electric capacity of C99 and C100 are shunt capacitances, can absorb the height on power supply signal
Frequency noise；D36 is voltage-stabiliser tube, prevents rear end from excessive causing internal circuit to damage to the power supply signal amplitude of video camera.
The major function of bandpass filter is that control signal is three-in-one from power supply signal, vision signal, control signal
Separated in composite signal.
In detail, these three inductance of L21, L29, L33 of bandpass filter shown in Fig. 4, this resistance of R162 and C93 this
Electric capacity constitutes bandpass filter, and (this bandpass filter can filter out 50Hz~60Hz (low frequency) more than+1GHz (high frequency), only
Remaining control signal 100KHz~200KHz (intermediate frequency)).
The major function of high-pass filter is that vision signal is three-in-one from power supply signal, vision signal, control signal
Separated in composite signal.
In detail, the C101 electric capacity in Fig. 3 (or Fig. 4 C80) is as high-pass filter, and this high-pass filter can be with
50Hz~60Hz (low frequency)+100KHz~200KHz (intermediate frequency) is filtered out, only remaining more than 1GHz (high frequency) vision signal.
That is, high-pass filter is specially the electric capacity being arranged in parallel with low pass filter and bandpass filter.
Preferably, vision signal is specially that SDI vision signals pass through module by module.
It is further preferable that the vision signal is that SD-SDI vision signals pass through module, HD-SDI vision signals by module
Module is passed through by module or 3G-SDI vision signals.
Preferred embodiment of the present utility model is the foregoing is only, protection model of the present utility model is not intended to limit
Enclose.All any modification, equivalent substitution and improvements made within spirit of the present utility model and principle etc., are all contained in this reality
With in new protection domain.
Claims (8)
1. a kind of video camera, it is characterised in that pass through module, control signal including photographing module, coaxial line interface, power supply signal
Module is passed through by module and vision signal；
The coaxial line interface is connected by the power supply signal by module with the power supply signal end of the photographing module；
The coaxial line interface is connected by the control signal by module with the control signal end of the photographing module；
The coaxial line interface is connected by the vision signal by module with the vision signal end of the photographing module.
2. video camera as claimed in claim 1, it is characterised in that the power supply signal is specially LPF by module
Device, the control signal is specially bandpass filter by module, and the vision signal is specially high-pass filter by module；
The low pass filter can by frequency be less than the bandpass filter can by frequency, the bandpass filter
The high-pass filter can be less than by frequency can pass through frequency by frequency and more than the low pass filter.
3. video camera as claimed in claim 2, it is characterised in that the high-pass filter is specially and the low pass filter
The electric capacity being arranged in parallel with the bandpass filter.
4. the video camera as described in any one of claims 1 to 3, it is characterised in that the vision signal is specially by module
SDI vision signals pass through module.
5. video camera as claimed in claim 4, it is characterised in that the vision signal is specially SD-SDI videos by module
Signal passes through module.
6. video camera as claimed in claim 4, it is characterised in that the vision signal is specially HD-SDI videos by module
Signal passes through module.
7. video camera as claimed in claim 4, it is characterised in that the vision signal is specially 3G-SDI videos by module
Signal passes through module.
8. video camera as claimed in claim 4, it is characterised in that also including coaxial line；
The coaxial line electrically connects with the coaxial line interface grafting and can transmit power supply signal, control signal and vision signal
Three kinds of composite signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166404.7U CN206585638U (en) | 2017-02-23 | 2017-02-23 | A kind of video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166404.7U CN206585638U (en) | 2017-02-23 | 2017-02-23 | A kind of video camera |
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| Publication Number | Publication Date |
|---|---|
| CN206585638U true CN206585638U (en) | 2017-10-24 |
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ID=60090817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166404.7U Active CN206585638U (en) | 2017-02-23 | 2017-02-23 | A kind of video camera |
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| Country | Link |
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| CN (1) | CN206585638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864320A (en) * | 2017-04-05 | 2018-03-30 | 北京图森未来科技有限公司 | A kind of video frequency transmitter and vehicle carried driving accessory system |
| CN113347383A (en) * | 2021-06-04 | 2021-09-03 | 浙江华创视讯科技有限公司 | Signal transmitting and receiving method, device, storage medium, and electronic device |
-
2017
- 2017-02-23 CN CN201720166404.7U patent/CN206585638U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864320A (en) * | 2017-04-05 | 2018-03-30 | 北京图森未来科技有限公司 | A kind of video frequency transmitter and vehicle carried driving accessory system |
| CN107864320B (en) * | 2017-04-05 | 2020-08-21 | 北京图森智途科技有限公司 | Video transmission device and vehicle-mounted driving auxiliary system |
| CN113347383A (en) * | 2021-06-04 | 2021-09-03 | 浙江华创视讯科技有限公司 | Signal transmitting and receiving method, device, storage medium, and electronic device |
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