CN208754417U - Video signal transmission equipment and video signal transmission system - Google Patents
Video signal transmission equipment and video signal transmission system Download PDFInfo
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- CN208754417U CN208754417U CN201821829606.6U CN201821829606U CN208754417U CN 208754417 U CN208754417 U CN 208754417U CN 201821829606 U CN201821829606 U CN 201821829606U CN 208754417 U CN208754417 U CN 208754417U
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Abstract
Video signal transmission equipment provided by the utility model and video signal transmission system, are related to technical field of video transmission.Wherein, the video signal transmission equipment includes: key circuit, and different key informations is generated for the different operation according to user；Controller, the controller are electrically connected with the key circuit, for generating corresponding control signal according to the key information；Signal amplifier, the signal amplifier are electrically connected with the controller, for amplifying processing to the vision signal of input according to the control signal and exporting amplified vision signal.By above-mentioned setting, can improve in the prior art, which there are problems that in transmission process due to vision signal, is lost and leads to show that there are poor display effects when equipment is shown based on the vision signal.
Description
Technical field
The utility model relates to technical field of video signal, in particular to a kind of video signal transmission equipment
And video signal transmission system.
Background technique
In modern display technology, in the case of more, main control device (vision signal generating device) is generally set with display
There are biggish distances between standby.Wherein, generally by the way that cable is arranged between main control device and display equipment, to guarantee video
Signal can be transferred to display equipment after main control device generation.
Inventor it has been investigated that, biggish loss can be generated when vision signal is transmitted in cable, so as to cause
The problem of video attenuation, and then lead to show that there are poor display effects when equipment is shown based on the vision signal
Problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of video signal transmission equipment and video signal transmission systems
System causes to show that equipment is believed based on the video in the prior art in the presence of loss in transmission process due to vision signal to improve
There are problems that poor display effect when number being shown.
To achieve the above object, the utility model embodiment adopts the following technical scheme that
A kind of video signal transmission equipment, comprising:
Key circuit generates different key informations for the different operation according to user；
Controller, the controller are electrically connected with the key circuit, for generating corresponding control according to the key information
Signal processed；
Signal amplifier, the signal amplifier are electrically connected with the controller, are used for according to the control signal to input
Vision signal amplify processing and export amplified vision signal.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission equipment, the signal amplification
Device includes:
Balancing chip, the digital video signal for will acquire carry out reduction treatment to eliminate the damage of transmission process generation
Consumption；
The IIC interface of distributor, the distributor and the balancing chip and the controller is electrically connected, and is used for basis
Digital video signal Jing Guo reduction treatment is carried out amplitude of oscillation increase processing by the control signal of the controller output, and exporting should
Treated digital video signal.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission equipment, the distributor packet
Multiple-channel output channel is included, output multi-channel digital video signal is used for.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission equipment, the balancing chip
Model MAX2815, the model PI3HDMI412BD of the distributor.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission equipment, the signal amplification
Device further include:
First signal amplification chip, the first signal amplification chip are electrically connected with the I/O interface of the controller, are used for root
The tri- road signal of RGB in analog video signal that will acquire according to the control signal that the controller exports amplifies place respectively
Reason, and export amplified tri- road signal of RGB；
Second signal amplification chip, the second signal amplification chip are electrically connected with the I/O interface of the controller, are used for root
The HS signal in the analog video signal that will acquire of control signal and VS signal exported according to the controller amplifies respectively
Processing, and export amplified HS signal and VS signal.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission equipment, first signal
Amplification chip is identical with the quantity of the second signal amplification chip, and is multiple with output multi-channel analog video signal.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission equipment, first signal
The model MAX4282, the model 74HCT1G128GW of the second signal amplification chip of amplification chip.
The utility model embodiment additionally provides a kind of video signal transmission system, including vision signal generating device, view
Frequency signal transmission apparatus and display equipment, wherein the video signal transmission equipment includes:
Key circuit generates different key informations for the different operation according to user；
Controller, the controller are electrically connected with the key circuit, for generating corresponding control according to the key information
Signal processed；
Signal amplifier, the input terminal of the signal amplifier is electrically connected with the output end of the vision signal generating device,
Output end is electrically connected with the input terminal of the display equipment, control terminal is electrically connected with the controller, for according to the control
The vision signal that signal exports the vision signal generating device amplifies processing, and amplified vision signal is sent
To the display equipment to show.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission system, the signal amplification
Device includes:
Balancing chip, the digital video signal for will acquire carry out reduction treatment to eliminate the damage of transmission process generation
Consumption；
The IIC interface of distributor, the distributor and the balancing chip and the controller is electrically connected, and is used for basis
Digital video signal Jing Guo reduction treatment is carried out amplitude of oscillation increase processing by the control signal of the controller output, and exporting should
Treated digital video signal.
In the utility model embodiment preferably selects, in above-mentioned video signal transmission system, the signal amplification
Device further include:
First signal amplification chip, the first signal amplification chip are electrically connected with the I/O interface of the controller, are used for root
The tri- road signal of RGB in analog video signal that will acquire according to the control signal that the controller exports amplifies place respectively
Reason, and export amplified tri- road signal of RGB；
Second signal amplification chip, the second signal amplification chip are electrically connected with the I/O interface of the controller, are used for root
The HS signal in the analog video signal that will acquire of control signal and VS signal exported according to the controller amplifies respectively
Processing, and export amplified HS signal and VS signal.
Video signal transmission equipment provided by the utility model and video signal transmission system pass through key circuit, control
Device and signal amplifier are equipped with, can the operation based on user vision signal amplified into processing, and will amplification
Vision signal afterwards passes through cable transmission to equipment is shown, when reaching display equipment after the certain transmission loss of process still
Signal quality with higher causes to show so as to improve there is loss in transmission process due to vision signal in the prior art
Show that equipment is based on there are problems that poor display effect when the vision signal is shown.
Further, amplified by the way that balancing chip, distributor, the first signal amplification chip and second signal are arranged simultaneously
Chip, it is ensured that the video signal transmission equipment can amplify processing to digital video signal and analog video signal,
Greatly improve the practical value of video signal transmission equipment.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the system block diagram of video signal transmission system provided by the embodiment of the utility model.
Fig. 2 is the structural block diagram of video signal transmission equipment provided by the embodiment of the utility model.
Fig. 3 is the electrical connection schematic diagram of video signal transmission equipment provided by the embodiment of the utility model.
Fig. 4 is another electrical connection schematic diagram of video signal transmission equipment provided by the embodiment of the utility model.
Fig. 5 is another electrical connection schematic diagram of video signal transmission equipment provided by the embodiment of the utility model.
Icon: 10- video signal transmission system；100- video signal transmission equipment；110- key circuit；130- control
Device；150- signal amplifier；151- balancing chip；152- distributor；153- the first signal amplification chip；154- second signal is put
Large chip；200- vision signal generating device；300- shows equipment.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In the utility model
In foregoing description, outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connection " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
As shown in Figure 1, the utility model embodiment provides a kind of video signal transmission system 10, it may include video letter
Number transmission device 100, vision signal generating device 200 and display equipment 300.
In detail, the video signal transmission equipment 100 can be with the vision signal generating device 200 and the display
Equipment 300 is electrically connected, and is sent out again after the vision signal that the vision signal generating device 200 generates is amplified processing
It send to the display equipment 300, so that the display equipment 300 can carry out display work based on the vision signal.
It should be noted that in the present embodiment, the video signal transmission equipment 100 and vision signal generation are set
Standby the distance between 200 are generally less than distance between the video signal transmission equipment 100 and the display equipment 300.It is corresponding
Ground, the video signal transmission equipment 100 and the vision signal generating device 200 are normally at identical position, the view
Frequency signal transmission apparatus 100 and the display equipment 300 are normally at different positions, then by one section of longer cable into
Row connection.
Optionally, the concrete type of the vision signal generating device 200 is unrestricted, can be according to practical application request
It is configured, for example, it may be the host of computer.Also, the concrete type of the display equipment 300 is unrestricted, can be with
It is configured according to practical application request, for example, it may be computer screen.
In conjunction with Fig. 2, the present embodiment also provides a kind of vision signal biography that can be applied to above-mentioned video signal transmission system 10
Transfer device 100.Wherein, the video signal transmission equipment 100 may include that key circuit 110, controller 130 and signal are put
Big device 150.
In detail, the key circuit 110 is for generating different key informations, the control according to the different operation of user
Device 130 processed is electrically connected with the key circuit 110, for generating corresponding control signal according to the key information.The letter
Number amplifier 150 is electrically connected with the controller 130, for being amplified according to the control signal to the vision signal of input
It handles and exports amplified vision signal.
By above-mentioned setting, can the operation based on user vision signal amplified into processing, and by amplified view
Frequency signal by cable transmission to display equipment 300, with when by reaching display equipment 300 after certain transmission loss still
Signal quality with higher causes to show so as to improve there is loss in transmission process due to vision signal in the prior art
Show that equipment 300 is based on there are problems that poor display effect when the vision signal is shown.
Optionally, the electrical component that the key circuit 110 includes is unrestricted, can be carried out according to practical application request
Setting.In the present embodiment, the key circuit 110 may include three key devices, with defeated to the controller 130 respectively
Three different key informations out, so that the controller 130 controls signal amplifier 150 according to three key informations respectively
Different enhanced processings is carried out to vision signal.
For example, in the application example that one kind can substitute, if at a distance from the display equipment 300 farther out, Yong Huke
With selection by first key device to export the first key information to the controller 130, so that 130 energy of the controller
It is enough that vision signal is carried out at the biggish amplification of multiple according to first key information control signal amplifier 150
Reason；If being closer with the display equipment 300, user be can choose through third key device with to the controller
130 output third key informations, so that the controller 130 can control the signal amplifier according to the third key information
150 pairs of vision signals carry out the lesser enhanced processing of multiple.
Optionally, the electrical component that the controller 130 includes is unrestricted, can be set according to practical application request
It sets, for example, it is core that the controller 130, which can be a single-chip microcontroller, it take other interlock circuits as the microprocessor of auxiliary.
Wherein, the interlock circuit may include, but be not limited to crystal oscillating circuit, reset circuit etc..
Optionally, the electrical component that the signal amplifier 150 includes is unrestricted, can according to practical application request into
Row setting, for example, different according to the type of the vision signal, the electrical component that the signal amplifier 150 includes is also different.
For example, the vision signal can be digital video signal in the example that one kind can substitute.Accordingly, it ties
Fig. 3 is closed, the signal amplifier 150 may include balancing chip 151 and distributor 152.
In detail, the balancing chip 151, the digital video signal for will acquire carry out reduction treatment to eliminate transmission
The loss that process generates.That is, due to also being deposited between vision signal generating device 200 and the video signal transmission chip
Certain decaying can be also generated in a certain distance, video signal transmission, it therefore, can be right by the balancing chip 151
The digital video signal of acquisition carries out reduction treatment.
The IIC interface of the distributor 152 and the balancing chip 151 and the controller 130 is electrically connected, and is used for
The digital video signal Jing Guo reduction treatment is subjected to amplitude of oscillation increase processing according to the control signal of the controller 130 output,
And export should treated digital video signal.
For example, if it is right to can control the distributor 152 when the controller 130 gets first key information
The amplitude of oscillation of the digital video signal of acquisition carries out increase processing by a relatively large margin；If the controller 130 gets the third
When key information, the increase of the amplitude of oscillation progress of the digital video signal of 152 pairs of distributor acquisitions more by a small margin can control
Processing.
Wherein it is possible to understand, the distributor 152 may include multiple-channel output channel, to realize that multi-path digital regards
The output of frequency signal, to guarantee that multiple display equipment 300 are able to carry out simultaneous display.For example, showing what one kind can substitute
In example, the distributor 152 may include two-way output channel, respectively to two display equipment 300 for being located at different location
Send digital video signal.
Optionally, the concrete model of the balancing chip 151 is unrestricted, can be set according to practical application request
It sets, as long as effectively reduction treatment can be carried out to the digital video signal of acquisition.For example, showing what one kind can substitute
In example, the signal of the balancing chip 151 can be MAX2815.
Also, the concrete model of the distributor 152 is unrestricted, can be configured according to practical application request, only
It wants that effectively enhanced processing can be carried out to the digital video signal of acquisition.For example, in the example that one kind can substitute,
The balancing chip 151 can be a kind of active matrix driving switch, have the functions such as output voltage swing control, ESD protection, specific type
It number can be PI3HDMI412BD.
Wherein, pass through the distributor 152 of the balancing chip 151 of model MAX2815 and model PI3HDMI412BD
It is equipped with, the digital video signal of output can be made effectively to transmit 40m on the basis of resolution ratio 1920*1080.
In another example the vision signal may be analog video signal in the example that another kind can substitute.It is corresponding
Ground, in conjunction with Fig. 4, the signal amplifier 150 may include the first signal amplification chip 153 and second signal amplification chip 154.
In detail, the first signal amplification chip 153 is electrically connected with the I/O interface of the controller 130, is used for basis
The tri- road signal of RGB in analog video signal that the control signal that the controller 130 exports will acquire amplifies place respectively
Reason, and export amplified tri- road signal of RGB.The I/O interface of the second signal amplification chip 154 and the controller 130
Electrical connection, the HS signal and VS in analog video signal that the control signal for being exported according to the controller 130 will acquire
Signal amplifies processing respectively, and exports amplified HS signal and VS signal.
It should be noted that generally will include 5 road signals in analog video signal, respectively R signal, G-signal, B believe
Number, HS signal and VS signal.Wherein, R signal, G-signal are identical with B signal frequency, can pass through same chip (such as described
One signal amplification chip 153) amplify processing.HS signal is identical with VS signal frequency, can be by same chip (as described in
Second signal amplification chip 154) amplify processing.And.The frequency of R signal, G-signal and B signal and HS signal and VS signal
Rate is different, and therefore, it is necessary to be respectively processed by different chips.
Wherein it is possible to understanding, the first signal amplification chip 153 and the second signal amplification chip 154
Quantity is identical, and to be multiple to form multiple-channel output channel, to realize the output of multi-channel analog vision signal, to guarantee multiple
Display equipment 300 is able to carry out simultaneous display.For example, in the example that one kind can substitute, the first signal amplification chip
153 and the second signal amplification chip 154 can be respectively two, to form two-way output channel, with respectively to be located at not
Two display equipment 300 with position send analog video signal.
Optionally, the concrete model of the first signal amplification chip 153 is unrestricted, can be according to practical application request
It is configured, as long as processing effectively can be amplified to tri- tunnel analog signal of RGB.For example, can be substituted in one kind
Example in, the model of the first signal amplification chip 153 can be MAX4282.
Also, the concrete signal of the second signal amplification chip 154 is unrestricted, can according to practical application request into
Row setting, as long as processing effectively can be amplified to HS signal and VS signal.For example, showing what one kind can substitute
In example, the model of the second signal amplification chip 154 can be 74HCT1G128GW.
Wherein, pass through the second of the first signal amplification chip 153 of model MAX4282 and model 74HCT1G128GW
Signal amplification chip 154 is equipped with, and can make the analog video signal of output on the basis of resolution ratio 1920*1080
Effectively transmission 80m.
It should be noted that above two example is only exemplary the explanation signal amplifier in the present embodiment
150 electrical components that may include, but should not be understood as the signal amplifier 150 only can be above two example.For example,
As shown in figure 5, balancing chip 151, distributor 152, the first signal amplification chip can be arranged in the signal amplifier 150 simultaneously
153 and second signal amplification chip 154, to guarantee that the video signal transmission equipment 100 regards digital video signal and simulation
Frequency signal can amplify processing, greatly improve the practical value of video signal transmission equipment 100.
In conclusion video signal transmission equipment 100 provided by the utility model and video signal transmission system 10, pass through
Key circuit 110, controller 130 and signal amplifier 150 are equipped with, can the operation based on user by vision signal
Processing is amplified, and by amplified vision signal by cable transmission to display equipment 300, to pass through certain transmission
Signal quality still with higher when display equipment 300 is reached after loss, so as to improve in the prior art due to vision signal
There is loss in transmission process and leads to show that there are poor display effects when equipment 300 is shown based on the vision signal
The problem of.Secondly, passing through while balancing chip 151, distributor 152, the first signal amplification chip 153 and second signal being arranged
Amplification chip 154, it is ensured that the video signal transmission equipment 100 can carry out digital video signal and analog video signal
Enhanced processing greatly improves the practical value of video signal transmission equipment 100.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of video signal transmission equipment characterized by comprising
Key circuit generates different key informations for the different operation according to user；
Controller, the controller are electrically connected with the key circuit, are believed for generating corresponding control according to the key information
Number；
Signal amplifier, the signal amplifier are electrically connected with the controller, for the view according to the control signal to input
Frequency signal amplifies processing and exports amplified vision signal.
2. video signal transmission equipment according to claim 1, which is characterized in that the signal amplifier includes:
Balancing chip, the digital video signal for will acquire carry out reduction treatment to eliminate the loss of transmission process generation；
The IIC interface of distributor, the distributor and the balancing chip and the controller is electrically connected, for according to
Digital video signal Jing Guo reduction treatment is carried out amplitude of oscillation increase processing by the control signal of controller output, and exports the processing
Digital video signal afterwards.
3. video signal transmission equipment according to claim 2, which is characterized in that the distributor includes that multiple-channel output is logical
Road is used for output multi-channel digital video signal.
4. video signal transmission equipment according to claim 2, which is characterized in that the model of the balancing chip
MAX2815, the model PI3HDMI412BD of the distributor.
5. video signal transmission equipment according to any one of claims 1-4, which is characterized in that the signal amplifier
Further include:
First signal amplification chip, the first signal amplification chip are electrically connected with the I/O interface of the controller, for according to institute
The tri- road signal of RGB stated in the analog video signal that the control signal that controller exports will acquire amplifies processing respectively, and
Export amplified tri- road signal of RGB；
Second signal amplification chip, the second signal amplification chip are electrically connected with the I/O interface of the controller, for according to institute
The HS signal and VS signal stated in the analog video signal that the control signal that controller exports will acquire amplify processing respectively,
And export amplified HS signal and VS signal.
6. video signal transmission equipment according to claim 5, which is characterized in that the first signal amplification chip and institute
The quantity for stating second signal amplification chip is identical, and is multiple with output multi-channel analog video signal.
7. video signal transmission equipment according to claim 5, which is characterized in that the type of the first signal amplification chip
Number be MAX4282, the model 74HCT1G128GW of the second signal amplification chip.
8. a kind of video signal transmission system, which is characterized in that including vision signal generating device, video signal transmission equipment with
And display equipment, wherein the video signal transmission equipment includes:
Key circuit generates different key informations for the different operation according to user；
Controller, the controller are electrically connected with the key circuit, are believed for generating corresponding control according to the key information
Number；
Signal amplifier, the input terminal of the signal amplifier are electrically connected with the output end of the vision signal generating device, export
End is electrically connected with the input terminal of the display equipment, control terminal is electrically connected with the controller, for according to the control signal
Processing is amplified to the vision signal of vision signal generating device output, and amplified vision signal is sent to institute
Display equipment is stated to show.
9. video signal transmission system according to claim 8, which is characterized in that the signal amplifier includes:
Balancing chip, the digital video signal for will acquire carry out reduction treatment to eliminate the loss of transmission process generation；
The IIC interface of distributor, the distributor and the balancing chip and the controller is electrically connected, for according to
Digital video signal Jing Guo reduction treatment is carried out amplitude of oscillation increase processing by the control signal of controller output, and exports the processing
Digital video signal afterwards.
10. video signal transmission system according to claim 9, which is characterized in that the signal amplifier further include:
First signal amplification chip, the first signal amplification chip are electrically connected with the I/O interface of the controller, for according to institute
The tri- road signal of RGB stated in the analog video signal that the control signal that controller exports will acquire amplifies processing respectively, and
Export amplified tri- road signal of RGB；
Second signal amplification chip, the second signal amplification chip are electrically connected with the I/O interface of the controller, for according to institute
The HS signal and VS signal stated in the analog video signal that the control signal that controller exports will acquire amplify processing respectively,
And export amplified HS signal and VS signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821829606.6U CN208754417U (en) | 2018-11-06 | 2018-11-06 | Video signal transmission equipment and video signal transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829606.6U CN208754417U (en) | 2018-11-06 | 2018-11-06 | Video signal transmission equipment and video signal transmission system |
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| CN208754417U true CN208754417U (en) | 2019-04-16 |
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ID=66086136
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418063A (en) * | 2019-08-30 | 2019-11-05 | 深圳市众安威视技术有限公司 | A kind of camera signals calibration system |
-
2018
- 2018-11-06 CN CN201821829606.6U patent/CN208754417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418063A (en) * | 2019-08-30 | 2019-11-05 | 深圳市众安威视技术有限公司 | A kind of camera signals calibration system |
| CN110418063B (en) * | 2019-08-30 | 2020-04-17 | 深圳市众安威视技术有限公司 | Camera signal calibration system |
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