CN214955958U - Display screen control system - Google Patents
Display screen control system Download PDFInfo
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- CN214955958U CN214955958U CN202120907873.6U CN202120907873U CN214955958U CN 214955958 U CN214955958 U CN 214955958U CN 202120907873 U CN202120907873 U CN 202120907873U CN 214955958 U CN214955958 U CN 214955958U
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- display screen
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- bluetooth module
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Abstract
The utility model discloses a display screen control system, which is applied to a display screen and comprises a shell and a control circuit arranged in the shell, wherein the control circuit comprises a WiFi (wireless fidelity) Bluetooth module and a serial port module, and the serial port module comprises a serial port unit and a network port unit; WiFi bluetooth module is used for with terminal control equipment wireless connection, and WiFi bluetooth module still is connected with serial units, and serial units and net gape unit connection, net gape unit are connected to the display screen through the net twine. The utility model discloses a cooperation of wiFi bluetooth module, serial module wiFi bluetooth is used to in wireless mode is connected to the display screen control system with terminal control equipment, saved the use of various conversion equipment, terminal control equipment is diversified moreover, has the characteristics of convenient, nimble of connection. The utility model discloses can the wide application in display screen technical field.
Description
Technical Field
The utility model relates to a display screen technical field especially relates to a display screen control system.
Background
The current display screen usually adopts an RJ45 network interface of RS232 serial standard to control the opening and closing of the screen, the switching between a splicing mode and a single screen mode, the switching of signal source types (such as HDMI \ DVI \ VGA) and the like.
The control computer is connected to the liquid crystal splicing display screen through the serial port to network port equipment and then through the network cable, the control of the liquid crystal splicing display screen can be realized, the equipment such as a notebook computer without an RS2232 serial port is required to be added, for example, a USB serial port converter can realize the control of the splicing display screen, the wiring is complicated, and the control equipment (computer and notebook) is limited by connecting wires which can be fixedly arranged in one place, so that the control equipment is inconvenient and inflexible.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: a display screen control system is provided.
The utility model adopts the technical proposal that:
a display screen control system is applied to a display screen and comprises a shell and a control circuit arranged in the shell, wherein the control circuit comprises a WiFi (wireless fidelity) Bluetooth module and a serial port module, and the serial port module comprises a serial port unit and a network port unit;
WiFi bluetooth module is used for with terminal control equipment wireless connection, WiFi bluetooth module still with serial units connects, serial units with net gape unit connection, net gape unit is connected to through the net twine the display screen.
Further, the control circuit further comprises a remote control module, and the remote control module is connected with the WiFi Bluetooth module.
Further, the control circuit further comprises a temperature acquisition module, and the temperature acquisition module is connected with the WiFi Bluetooth module.
Further, the control circuit further comprises an indicator light module, and the indicator light module is connected with the WiFi Bluetooth module.
Further, the display screen control system further comprises a power supply module.
Further, the WiFi bluetooth module adopts a microcontroller with model number ESP 32.
Further, the remote control module comprises an 1838 infrared receiving head.
The utility model has the advantages that: through the cooperation use of wiFi bluetooth module, serial module wiFi bluetooth, introduce the control signal of terminal control equipment control display screen to the system in, control signal transmits to the display screen by the net twine behind the level signal to in being connected to display screen control system with terminal control equipment in wireless mode, saved the use of various conversion equipment, terminal control equipment is diversified moreover, has the characteristics of convenient, nimble of connection.
Drawings
Fig. 1 is a block diagram of a control circuit of a display screen control system according to the present invention;
fig. 2 is a schematic circuit diagram of a serial port unit of a display screen control system according to the present invention;
fig. 3 is a schematic circuit diagram of a network interface unit of a display screen control system according to the present invention;
fig. 4 is a schematic circuit diagram of a remote control module of a display screen control system according to the present invention;
fig. 5 is a schematic circuit diagram of an indicator light module of a display screen control system according to the present invention;
fig. 6 is a schematic circuit diagram of a power module of a display screen control system according to the present invention;
fig. 7 is the utility model relates to a display screen control system's wiFi bluetooth module's circuit schematic diagram.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
The invention will be further explained and explained with reference to the drawings and the embodiments in the following description.
In order to solve at least one of the above problems, the utility model provides a display screen control system, which is applied to a display screen, the display screen control system comprises a shell and a control circuit arranged in the shell, referring to fig. 1, the control circuit comprises a WiFi bluetooth module and a serial port module, and the serial port module comprises a serial port unit and a network interface unit;
WiFi bluetooth module is used for with terminal control equipment wireless connection, and WiFi bluetooth module still is connected with serial units, and serial units and net gape unit connection, net gape unit are connected to the display screen through the net twine.
The WiFi Bluetooth module is a wireless communication module integrating WiFi technology and Bluetooth technology, so that the WiFi Bluetooth module can be used for carrying out wireless communication with external terminal control equipment, and a control signal which is sent by the terminal control equipment and used for controlling the display screen is introduced into the system, wherein the terminal control equipment can be one of a mobile phone, a tablet, a computer, a notebook and the like. Referring to fig. 2, the serial port unit is configured to perform level signal conversion processing on a control signal accessed to the system, and the serial port unit may include a MAX232 chip, so as to convert the control signal in the TTL level form into a control signal in the RS232 level form, referring to fig. 3, the network port unit is connected to one end of a network cable, and the network port unit includes a first ethernet port and a second ethernet port, and the other end of the network cable is connected to the display screen, so as to transmit the control signal in the RS232 level form to the display screen.
It can be seen from the above-mentioned content, this application utilizes wiFi bluetooth module, serial module wiFi bluetooth's cooperation is used, the control signal with terminal control device control display screen is introduced into the system, control signal is transmitted to the display screen by the net twine after the level signal again, thereby compare in traditional terminal device control display screen and need utilize multiple conversion equipment to transmit control signal to the display screen and realize the control to the display screen, this application is connected to display screen control system with terminal control device with wireless mode, the use of various conversion equipment has been saved, and terminal control device is diversified, it is convenient to have the connection, nimble characteristics.
As a further optional implementation manner, referring to fig. 1, the control circuit further includes a remote control module, and the remote control module is connected to the WiFi bluetooth module.
Specifically, the remote control module is used for receiving a remote control instruction sent by a remote controller. Wherein, the remote controller can adopt the cell-phone, refer to fig. 4, and the remote control module includes 1838 infrared receiving head U5, 1838 infrared receiving head U5 is used for receiving infrared signal, and this infrared signal is transmitted to wiFi bluetooth module, and wiFi bluetooth module has the effect of controller, handles the back to the infrared signal that receives, transmits it to serial port module again, transmits to the display screen via serial port module to the realization is to the control of display screen.
The control to the display screen is realized through infrared remote control, and the diversity and the flexibility of the control of the display screen are increased.
Further as optional implementation, the control circuit further comprises a temperature acquisition module, and the temperature acquisition module is connected with the WiFi bluetooth module.
Specifically, the temperature detection module is used for acquiring the temperature in the shell in real time. The temperature detection module comprises a temperature sensor. When the temperature in the shell is detected to be higher, the heat radiation fan can be turned on to radiate heat.
Further as an optional implementation manner, the control circuit further includes an indicator light module, and the indicator light module is connected with the WiFi bluetooth module.
Specifically, referring to fig. 5, the indicator light module includes a first indicator light LED _ R and a second indicator light LED _ G, which are respectively used for indicating that the system is in a standby state and an operating state. The WiFi Bluetooth module sends a high-level signal to the base electrode of the first triode Q1, the first triode Q1 is conducted at the moment, a first indicator light LED _ R connected with the collector electrode of the first triode Q1 is turned on, and the system is indicated to be in a standby state; when the WiFi bluetooth module sends a low level signal to the base of the first triode Q1, the first triode Q1 is not turned on, the base of the second triode Q2 is connected to the 5V dc voltage through the second base resistor R235, the second triode Q2 is turned on, the second indicator light LED _ G connected to the collector of the second triode Q2 is turned on, and the indicator system is currently in a working state.
Further as an optional implementation, the display screen control system further comprises a power supply module.
Specifically, the power module is used for supplying power to the display screen control system. Wherein, referring to fig. 6, power module adopts the LDO power chip as core component, and wherein, the LDO power chip is a linear voltage regulator, and in this application, thereby utilizes the LDO power chip to carry out the steady voltage with the 5V dc voltage of input and obtain 3.3V dc voltage, utilizes 5V dc voltage and 3.3V dc voltage to supply power for each circuit module in the system, and the accessible adjusts the amplitude of output voltage with the resistance of sixth resistance.
Further as an alternative embodiment, referring to fig. 7, the WiFi bluetooth module employs a microcontroller of model ESP 32. The ESP32 microcontroller integrates Wi-Fi and dual-mode Bluetooth, has a short-distance communication function, and can realize data transmission between external equipment and WiFi Bluetooth.
The working principle of the utility model is as follows:
after the system is powered on, the WiFi Bluetooth module is wirelessly connected with the terminal control equipment, control signals from the terminal control equipment are received, level signal conversion processing is carried out on the control signals accessed to the system by utilizing the serial port unit, the control signals in the form of TTL levels are converted into the control signals in the form of RS232 levels, the network port unit is connected to one end of a network cable, the other end of the network cable is connected to the display screen, the control signals in the form of RS232 levels are transmitted to the display screen, and wireless control of the external terminal control equipment on the display screen is achieved. In addition, the remote control module is further arranged, and the remote control of the display screen can be realized through the remote control module by devices such as a mobile phone, and the diversity and the flexibility of the display screen control are improved.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (7)
1. A display screen control system is applied to a display screen and is characterized by comprising a shell and a control circuit arranged in the shell, wherein the control circuit comprises a WiFi (wireless fidelity) Bluetooth module and a serial port module, and the serial port module comprises a serial port unit and a network port unit;
WiFi bluetooth module is used for with terminal control equipment wireless connection, WiFi bluetooth module still with serial units connects, serial units with net gape unit connection, net gape unit is connected to through the net twine the display screen.
2. The display screen control system of claim 1, wherein the control circuit further comprises a remote control module, and the remote control module is connected with the WiFi bluetooth module.
3. The display screen control system of claim 1, wherein the control circuit further comprises a temperature acquisition module, and the temperature acquisition module is connected with the WiFi bluetooth module.
4. The display screen control system of claim 1, wherein the control circuit further comprises an indicator light module, and the indicator light module is connected with the WiFi bluetooth module.
5. The display screen control system of claim 1, wherein the control circuit further comprises a power module.
6. The display screen control system of claim 1, wherein the WiFi bluetooth module is a microcontroller of model ESP 32.
7. The display screen control system of claim 2, wherein the remote control module comprises an 1838 infrared receiver head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120907873.6U CN214955958U (en) | 2021-04-28 | 2021-04-28 | Display screen control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120907873.6U CN214955958U (en) | 2021-04-28 | 2021-04-28 | Display screen control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955958U true CN214955958U (en) | 2021-11-30 |
Family
ID=79064906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120907873.6U Active CN214955958U (en) | 2021-04-28 | 2021-04-28 | Display screen control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955958U (en) |
-
2021
- 2021-04-28 CN CN202120907873.6U patent/CN214955958U/en active Active
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