CN111131737A - Broadcast control device - Google Patents
Broadcast control device Download PDFInfo
- Publication number
- CN111131737A CN111131737A CN201911131692.2A CN201911131692A CN111131737A CN 111131737 A CN111131737 A CN 111131737A CN 201911131692 A CN201911131692 A CN 201911131692A CN 111131737 A CN111131737 A CN 111131737A
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- CN
- China
- Prior art keywords
- circuit unit
- module
- voltage stabilizing
- control circuit
- control device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a broadcast control device, which comprises a control circuit unit and a display screen, wherein the control circuit unit comprises a power supply circuit module, a voltage stabilizing circuit unit connected with the power supply circuit module, a central processing unit connected with the voltage stabilizing circuit unit and a communication module connected with the central processing unit, and the display screen is connected with the central processing unit. According to the broadcast control device, the display screen has multiple display functions, the response and switching speed is high, the performance of the control circuit unit is stable and reliable, the stable work of the display screen is guaranteed, and important information and videos with strong publicity can be played more favorably.
Description
Technical Field
The invention relates to a broadcast control device.
Background
Broadcast among the prior art accuse transmission system has the multiple mode, including full optical path transmission and traditional HDMI light path transmission, and the server receives information such as video, template file, sends for the LCD controller through dedicated transmission network and switch, and the LCD controller passes through photoelectric conversion equipment with video signal conversion light path signal and transmits, exports to the LCD display screen and plays after high definition receiver or OPS integrated circuit board decode.
The full optical path transmission scheme adopts the mode that an LCD display screen is embedded into an OPS board card for playing, and the LCD display screen needs to be customized and produced by a manufacturer, has higher manufacturing cost and is not suitable for popularization; in the traditional HDMI optical path transmission scheme, a plurality of fault nodes are provided, so that the reliability of the PIS system is reduced, the maintenance workload is increased, and the operation cost is increased.
The ARM embedded broadcast control box is characterized in that a core A53 chip, a memory RAM, a Nand FLASH memory, an SFP optical interface, an HDMI interface, an Sd card slot and a USB interface are arranged in a shell of the ARM embedded broadcast control box, the core A53 chip is respectively connected with the memory RAM, the Nand FLASH memory, the SFP optical interface, the HDMI interface, the Sd card slot and the USB interface, the input end of the broadcast control box is connected with an all-optical-port switch, and the output end of the broadcast control box is connected with an LCD display screen. The broadcast control method has low cost, but still has the defects of more fault points, slow response, unstable broadcast and the like.
Disclosure of Invention
The invention aims to provide a broadcasting control device which can solve the problems in the prior art, is low in cost and few in fault points, and is easy to operate, quick in response and stable in broadcasting.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a broadcast control device, which comprises a control circuit unit and a display screen connected with the control circuit unit, wherein the control circuit unit comprises a power supply circuit module, a voltage stabilizing circuit unit connected with the power supply circuit module, a central processing unit connected with the voltage stabilizing circuit unit and a communication module connected with the central processing unit, and the display screen is connected with the central processing unit. The voltage stabilizing circuit unit comprises a switch voltage stabilizing chip with an input end connected with the power supply circuit module through the USB interface module and an output end connected with the central processing unit, and a CPU voltage stabilizing chip with an input end connected with the output end of the switch voltage stabilizing chip.
Furthermore, the control circuit unit also comprises an O/I switch with an input end connected with the USB interface module.
Furthermore, the control circuit unit also comprises an anti-reverse connection module of which the input end is connected with the USB interface module.
Furthermore, the control circuit unit also comprises a self-recovery safety module with an input end connected with the USB interface module and a voltage stabilizing chip with an input end connected with an output end of the self-recovery safety module.
Furthermore, the control circuit unit also comprises an HDMI circuit module of which the input end is connected with the output end of the switch voltage stabilizing chip.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the broadcast control device, the display screen has multiple display functions, the response and switching speed is high, the performance of the control circuit unit is stable and reliable, the stable work of the display screen is guaranteed, and important information and videos with strong publicity can be played more favorably.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of a control circuit unit of a broadcast control device according to an embodiment of the present invention.
Wherein the reference numerals are as follows:
40. a power supply circuit module; 41. a USB interface module; 42. switching a voltage stabilizing chip; 43. a central processing unit; 431. a CPU voltage stabilization chip; 44. a communication module; 45. an interface module; 46. an O/I switch; 47. an anti-reverse module; 48. an HDMI circuit module; 49. a self-recovery insurance module; 491. and a voltage stabilizing chip.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, the broadcast control device has a control circuit unit, the control circuit unit includes a power supply circuit module 40, a voltage regulator circuit unit connected to the power supply circuit module 40, a central processing unit 43 connected to the voltage regulator circuit unit, and a communication module 44 connected to the central processing unit 43, and the central processing unit 43 is connected to a display screen at the broadcast terminal. In this embodiment, the communication module 44 adopts a bocm 2839 chip. Preferably, the output end of the communication module 44 is connected to an interface module 45, and the interface module 45 in this embodiment adopts a 40pin interface.
Specifically, the voltage stabilizing circuit unit includes a switching voltage stabilizing chip 42 having an input end connected to the power supply circuit module 40 through the USB interface module 41 and an output end connected to the central processing unit 43, and a CPU voltage stabilizing chip 431 having an input end connected to an output end of the switching voltage stabilizing chip 42. In this embodiment, the USB interface module 41 adopts a Micro USB.
In a more preferred embodiment, the control circuit unit further comprises an O/I switch 46 having an input connected to the USB interface module 41.
In a more preferred embodiment, the control circuit unit further comprises an anti-reverse module 47 having an input connected to the USB interface module 41.
In a more preferred embodiment, the control circuit unit further includes a self-recovery fuse module 49 having an input terminal connected to the USB interface module 41, and a voltage stabilization chip 491 having an input terminal connected to an output terminal of the self-recovery fuse module 49. The voltage stabilization chip in this embodiment is an RT8088AWS chip.
In a more preferred embodiment, the control circuit unit further includes an HDMI circuit module 48 having an input connected to the output of the switching regulator chip 42.
According to the control circuit unit structure of the display screen in the broadcast control device, the display screen has more functions, the performance of the control circuit unit is stable and reliable, and the normal work of the display screen is guaranteed.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (5)
1. A broadcast control device is characterized in that: the broadcast control device comprises a control circuit unit and a display screen connected with the control circuit unit, wherein the control circuit unit comprises a power supply circuit module (40), a voltage stabilizing circuit unit connected with the power supply circuit module (40), a central processing unit (43) connected with the voltage stabilizing circuit unit and a communication module (44) connected with the central processing unit (43), and the display screen is connected with the central processing unit (43);
the voltage stabilizing circuit unit comprises a switch voltage stabilizing chip (42) with an input end connected with the power supply circuit module (40) through a USB interface module (41) and an output end connected with the central processing unit (43), and a CPU voltage stabilizing chip (431) with an input end connected with an output end of the switch voltage stabilizing chip (42).
2. The broadcast control device of claim 1, wherein: the control circuit unit also comprises an O/I switch (46) with an input end connected with the USB interface module (41).
3. The broadcast control device of claim 1, wherein: the control circuit unit also comprises an anti-reverse connection module (47) with an input end connected with the USB interface module (41).
4. The broadcast control device of claim 1, wherein: the control circuit unit also comprises a self-recovery safety module (49) with an input end connected with the USB interface module (41), and a voltage stabilizing chip (491) with an input end connected with an output end of the self-recovery safety module (49).
5. The broadcast control device of any of claims 1-4, wherein: the control circuit unit also comprises an HDMI circuit module (48) of which the input end is connected with the output end of the switch voltage stabilizing chip (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131692.2A CN111131737A (en) | 2019-11-19 | 2019-11-19 | Broadcast control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131692.2A CN111131737A (en) | 2019-11-19 | 2019-11-19 | Broadcast control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111131737A true CN111131737A (en) | 2020-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911131692.2A Pending CN111131737A (en) | 2019-11-19 | 2019-11-19 | Broadcast control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111131737A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156515A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Embedded developing board having strong expansibility |
| CN202904350U (en) * | 2012-11-13 | 2013-04-24 | 郑州威科姆科技股份有限公司 | Outdoor LED large screen centralized play and control apparatus |
| CN107733026A (en) * | 2017-10-30 | 2018-02-23 | 广东欧珀移动通信有限公司 | A kind of negative pressure protection circuit, USB charging circuits and terminal device |
| CN109005439A (en) * | 2018-09-25 | 2018-12-14 | 晶晨半导体(上海)股份有限公司 | TV box |
| CN208445692U (en) * | 2018-07-27 | 2019-01-29 | 益读科技集团有限公司 | Controllable type intelligent home network TV set-top box |
-
2019
- 2019-11-19 CN CN201911131692.2A patent/CN111131737A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156515A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Embedded developing board having strong expansibility |
| CN202904350U (en) * | 2012-11-13 | 2013-04-24 | 郑州威科姆科技股份有限公司 | Outdoor LED large screen centralized play and control apparatus |
| CN107733026A (en) * | 2017-10-30 | 2018-02-23 | 广东欧珀移动通信有限公司 | A kind of negative pressure protection circuit, USB charging circuits and terminal device |
| CN208445692U (en) * | 2018-07-27 | 2019-01-29 | 益读科技集团有限公司 | Controllable type intelligent home network TV set-top box |
| CN109005439A (en) * | 2018-09-25 | 2018-12-14 | 晶晨半导体(上海)股份有限公司 | TV box |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |