CN215187081U - TVI/CVI/AHD simulation high-definition display device - Google Patents
TVI/CVI/AHD simulation high-definition display device Download PDFInfo
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- CN215187081U CN215187081U CN202121661159.XU CN202121661159U CN215187081U CN 215187081 U CN215187081 U CN 215187081U CN 202121661159 U CN202121661159 U CN 202121661159U CN 215187081 U CN215187081 U CN 215187081U
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Abstract
The utility model discloses a TVI/CVI/AHD simulation high definition display device relates to security protection video monitoring high definition and shows technical field. The device comprises a power module circuit, a TVI/CVI/AHD signal interface circuit, a TVI/CVI/AHD signal decoding circuit, an image decoding and liquid crystal driving circuit, an MCU master control circuit, a liquid crystal backlight control circuit and an LCD, wherein the power module circuit is in telecommunication connection with the TVI/CVI/AHD signal interface circuit, the TVI/CVI/AHD signal decoding circuit, the image decoding and liquid crystal driving circuit, the MCU master control circuit, the liquid crystal backlight control circuit and the LCD in sequence. This TVI/CVI/AHD simulation high definition display device, fine solution the shortcoming of simulation display picture definition and the problem of network picture time delay, it is convenient also to bring for simulation video monitoring transformation simultaneously, current simulation video monitoring transformation high definition's picture control only need change simulation supervisory equipment can, and the device can be suitable for the scene that requires real-time picture to show, and the cost is lower, is fit for extensively promoting.
Description
Technical Field
The utility model relates to a security protection video monitoring high definition shows technical field, specifically is a TVI/CVI/AHD simulation high definition display device.
Background
Traditional analog display restores received CVBS signals into image display through coaxial cables, the maximum definition can only meet 1920 x 1080, and with the continuous development of display technologies, high-definition displays enter the lives of more and more people. However, most people may recognize a high-definition display as clear or having little graininess, and may have a fog effect for various technical resolutions. Under general knowledge, 1080P, even up to 2k, 4k resolution displays are often considered high definition displays, and in fact such a statement is not accurate, wherein a display up to 1080P should be referred to as a full high definition display.
At present, most of security monitoring in the market is divided into two modes of traditional simulation monitoring and network monitoring, the simulation monitoring has the defects that pictures with the definition exceeding 1920 x 1080 are difficult to provide, the simulation monitoring is not suitable for projects with higher requirements on image quality definition in some special occasions, the network monitoring has the defects that the pictures have time delay, the simulation monitoring is not suitable for scenes requiring real-time picture display, and the cost is high.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a TVI/CVI/AHD simulation high definition display device has solved the problem that above-mentioned background art mentioned.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a TVI/CVI/AHD simulation high-definition display device comprises a power module circuit, a TVI/CVI/AHD signal interface circuit, a TVI/CVI/AHD signal decoding circuit, an image decoding and liquid crystal driving circuit, an MCU main control circuit, a liquid crystal backlight control circuit and an LCD liquid crystal display screen, wherein the power module circuit is sequentially in telecommunication connection with the TVI/CVI/AHD signal interface circuit, the TVI/CVI/AHD signal decoding circuit, the image decoding and liquid crystal driving circuit, the MCU main control circuit, the liquid crystal backlight control circuit and the LCD liquid crystal display screen, the TVI/CVI/AHD signal interface circuit is in telecommunication connection with the TVI/CVI/AHD signal decoding circuit, the TVI/CVI/AHD signal decoding circuit is in telecommunication connection with the image decoding and liquid crystal driving circuit, and the MCU main control circuit is respectively in telecommunication connection with the TVI/CVI/AHD signal decoding circuit, The image decoding and liquid crystal driving circuit is in telecommunication connection with the liquid crystal backlight control circuit and the LCD screen respectively, and the liquid crystal backlight control circuit is in telecommunication connection with the LCD screen.
Preferably, the TVI/CVI/AHD signal interface circuit internally decodes the received CVI/TVI/AHD analog high-definition signal by the TVI/CVI/AHD signal decoding circuit, converts the signal into a digital high-definition signal, and is in telecommunication connection with the image decoding and liquid crystal driving circuit, and the image decoding and liquid crystal driving circuit and the TVI/CVI/AHD signal decoding circuit internally decode the signal, convert the signal into a digital high-definition signal, internally decode the signal, convert the signal into an LVDS signal, and output the LVDS signal to the LCD screen to restore the high-definition video image.
Preferably, the image decoding and liquid crystal driving circuit and the liquid crystal backlight control circuit provide a backlight source for displaying video images for the LCD.
(III) advantageous effects
The utility model provides a TVI/CVI/AHD simulation high definition display device. The method has the following beneficial effects:
(1) this TVI/CVI/AHD simulation high definition display device, fine solution the shortcoming of simulation display picture definition and the problem of network picture time delay, it is convenient also to bring for simulation video monitoring transformation simultaneously, current simulation video monitoring transformation into high definition's picture control only need change simulation supervisory equipment can, and the device can be suitable for the scene that requires real-time picture to show, and the cost is lower, is fit for extensively promoting.
(2) The TVI/CVI/AHD simulation high-definition display device adopts coaxial cable transmission to restore received CVI/TVI/AHD signals into image display, the maximum definition is far higher than that of the traditional CVBS simulation display, and a high-definition picture of 3840 × 2560 at most is supported at present.
Drawings
FIG. 1 is a schematic block diagram of an integrated device of the present invention;
FIG. 2 is a schematic diagram of a part of the structure of the image decoding and liquid crystal driving circuit of the present invention;
FIG. 3 is a schematic diagram of the structure of the MCU master control circuit of the present invention;
FIG. 4 is a schematic diagram of a partial structure of a TVI/CVI/AHD signal interface circuit of the present invention;
FIG. 5 is a schematic diagram of a part of the structure of the liquid crystal backlight control circuit of the present invention;
FIG. 6 is a schematic diagram of a partial structure of a TVI/CVI/AHD signal decoding circuit of the present invention;
FIG. 7 is a schematic diagram of a partial structure of a TVI/CVI/AHD signal interface circuit of the present invention;
fig. 8 is a schematic diagram of a circuit part of the power module of the present invention.
In the figure: 1. TVI/CVI/AHD signal interface circuit; 2. TVI/CVI/AHD signal decoding circuit; 3. an image decoding and liquid crystal driving circuit; 4. a liquid crystal backlight control circuit; 5. the MCU master control circuit; 6. an LCD liquid crystal display screen; 7. and a power module circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a TVI/CVI/AHD simulation high-definition display device comprises a power supply module circuit 7, a TVI/CVI/AHD signal interface circuit 1, a TVI/CVI/AHD signal decoding circuit 2, an image decoding and liquid crystal driving circuit 3, an MCU main control circuit 5, a liquid crystal backlight control circuit 4 and an LCD liquid crystal display screen 6, wherein the power supply module circuit 7 is sequentially connected with the TVI/CVI/AHD signal interface circuit 1, the TVI/CVI/AHD signal decoding circuit 2, the image decoding and liquid crystal driving circuit 3, the MCU main control circuit 5, the liquid crystal backlight control circuit 4 and the LCD liquid crystal display screen 6 in a telecommunication way to provide working energy for each circuit, the TVI/CVI/AHD signal interface circuit 1 is connected with the TVI/CVI/AHD signal decoding circuit 2 in a telecommunication way, the TVI/CVI/AHD signal decoding circuit 2 is connected with the image decoding and liquid crystal driving circuit 3 in a telecommunication way, the MCU main control circuit 5 is respectively in telecommunication connection with the TVI/CVI/AHD signal decoding circuit 2 and the image decoding and liquid crystal driving circuit 3, the image decoding and liquid crystal driving circuit 3 is respectively in telecommunication connection with the liquid crystal backlight control circuit 4 and the LCD liquid crystal display screen 6, and the liquid crystal backlight control circuit 4 is in telecommunication connection with the LCD liquid crystal display screen 6.
It should be noted that, in this embodiment, the TVI/CVI/AHD signal interface circuit 1 internally decodes the received CVI/TVI/AHD analog high definition signal by the TVI/CVI/AHD signal decoding circuit 2, converts the signal into a digital high definition signal, and connects the signal with the image decoding and liquid crystal driving circuit 3 in a telecommunication manner, the image decoding and liquid crystal driving circuit 3 and the TVI/CVI/AHD signal decoding circuit 2 are internally decoded, converted into digital high-definition signals, internally decoded, converted into LVDS signals and output to the LCD liquid crystal display screen 6 to be restored into high-definition video images, and the MCU main control circuit 5 is respectively in telecommunication connection with the TVI/CVI/AHD signal decoding circuit 2 and the image decoding and liquid crystal driving circuit 3 to realize the brightness/contrast/color and on-off control of the video images displayed by the LCD liquid crystal display screen 6. And the image decoding and liquid crystal driving circuit 3 and the liquid crystal backlight control circuit 4 provide a backlight source for displaying video images for the LCD liquid crystal display screen 6, so that the LCD liquid crystal display screen 6 can normally display the video images.
When in use, a CVI/TVI/AHD analog high-definition signal is input from the TVI/CVI/AHD signal interface circuit 1 end, then the CVI/TVI/AHD analog high-definition signal is internally decoded by the TVI/CVI/AHD signal decoding circuit 2, the TVI/CVI/AHD signal decoding circuit 2 converts the CVI/TVI/AHD analog high-definition signal into a digital high-definition signal, then the digital high-definition signal is secondarily decoded by the image decoding and liquid crystal driving circuit 3, the image decoding and liquid crystal driving circuit 3 converts the digital high-definition signal into an LVDS signal and outputs the LVDS signal to the LCD 6, so that the LCD 6 can convert the LVDS signal into a high-definition video image, the defects of analog display image definition and the problem of network image delay are well solved, meanwhile, convenience is brought to the transformation of the analog video monitoring, the high-definition picture monitoring transformed from the existing analog video monitoring only needs to replace the analog monitoring equipment, and the device can be suitable for scenes requiring real-time picture display, is lower in cost and is suitable for wide popularization.
The device adopts coaxial cable transmission to restore received CVI/TVI/AHD signals into image display, the maximum definition is far higher than that of the traditional CVBS analog display, the maximum 3840 × 2560 high-definition images are supported at present, and the problems that the analog monitoring is difficult to provide images with the definition exceeding 1920 × 1080, the analog monitoring is not suitable for projects with higher requirements on image definition in some special occasions, and the network monitoring is time-delay in images, is not suitable for scenes requiring real-time image display and is high in cost are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The TVI/CVI/AHD simulation high-definition display device is characterized in that: comprises a power module circuit (7), a TVI/CVI/AHD signal interface circuit (1), a TVI/CVI/AHD signal decoding circuit (2), an image decoding and liquid crystal driving circuit (3), an MCU main control circuit (5), a liquid crystal backlight control circuit (4) and an LCD liquid crystal display screen (6), wherein the power module circuit (7) is sequentially in telecommunication connection with the TVI/CVI/AHD signal interface circuit (1), the TVI/CVI/AHD signal decoding circuit (2), the image decoding and liquid crystal driving circuit (3), the MCU main control circuit (5), the liquid crystal backlight control circuit (4) and the LCD liquid crystal display screen (6), the TVI/CVI/AHD signal interface circuit (1) is in telecommunication connection with the TVI/CVI/AHD signal decoding circuit (2), and the TVI/CVI/AHD signal decoding circuit (2) is in telecommunication connection with the image decoding and liquid crystal driving circuit (3), the MCU main control circuit (5) is respectively in telecommunication connection with the TVI/CVI/AHD signal decoding circuit (2) and the image decoding and liquid crystal driving circuit (3), the image decoding and liquid crystal driving circuit (3) is respectively in telecommunication connection with the liquid crystal backlight control circuit (4) and the LCD (6), and the liquid crystal backlight control circuit (4) is in telecommunication connection with the LCD (6).
2. The TVI/CVI/AHD analog high definition display device of claim 1, wherein: the TVI/CVI/AHD signal interface circuit (1) internally decodes the received CVI/TVI/AHD analog high-definition signal through a TVI/CVI/AHD signal decoding circuit (2) and then converts the signal into a digital high-definition signal, and the digital high-definition signal is in telecommunication connection with an image decoding and liquid crystal driving circuit (3), and the image decoding and liquid crystal driving circuit (3) and the TVI/CVI/AHD signal decoding circuit (2) internally decode the signal and then convert the signal into a digital high-definition signal and then convert the signal into an LVDS signal through internal decoding and output the LVDS signal to an LCD (6) to restore the signal into a high-definition video image.
3. The TVI/CVI/AHD analog high definition display device of claim 2, wherein: the image decoding and liquid crystal driving circuit (3) and the liquid crystal backlight control circuit (4) provide a backlight source for displaying video images for the LCD (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121661159.XU CN215187081U (en) | 2021-07-21 | 2021-07-21 | TVI/CVI/AHD simulation high-definition display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121661159.XU CN215187081U (en) | 2021-07-21 | 2021-07-21 | TVI/CVI/AHD simulation high-definition display device |
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| Publication Number | Publication Date |
|---|---|
| CN215187081U true CN215187081U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121661159.XU Active CN215187081U (en) | 2021-07-21 | 2021-07-21 | TVI/CVI/AHD simulation high-definition display device |
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| Country | Link |
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| CN (1) | CN215187081U (en) |
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2021
- 2021-07-21 CN CN202121661159.XU patent/CN215187081U/en active Active
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