CN203070026U - Signal transmitting circuit board - Google Patents
Signal transmitting circuit board Download PDFInfo
- Publication number
- CN203070026U CN203070026U CN 201320079066 CN201320079066U CN203070026U CN 203070026 U CN203070026 U CN 203070026U CN 201320079066 CN201320079066 CN 201320079066 CN 201320079066 U CN201320079066 U CN 201320079066U CN 203070026 U CN203070026 U CN 203070026U
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Abstract
The utility model discloses a signal transmitting circuit board, comprising a microcontroller, a DC power input converting circuit, a cell input circuit, an external control interface, a temperature detection interface, a first display panel interface, a second display panel interface, a first signal input and output interface, a second signal input and output interface, a third signal input and output interface, a key interface, and keys. The first signal input and output interface is connected with the microcontroller through a buffer circuit. The second signal input and output interface and the third signal input and output interface are connected with the microcontroller through an RS485 chip. The microcontroller is also connected with a program burn and debug interface. The microcontroller is a STM32F051CxARM processor. The signal transmitting circuit board can not only realize multipurpose of signal reception and sending functions, but also can be connected with various display panels.
Description
Technical field
The utility model relates to a kind of circuit board, particularly a kind of DMX512 signal repeat circuit plate.
Background technology
In light of stage equipment, numerous equipment are practical simultaneously, and by the controller centralized control, the DMX512 signaling protocol is a kind of communications protocol that is widely used, special control at Computer lamp, prerequisite a kind of control protocol especially.This control protocol is used serial communication, baud rate 250K, and the signal refreshing frequency is more than 40 times/second.Traditional control mode is to finish the control of entire equipment with a complexity, control circuit board that volume is very big.Need the motor controlled more in the Computer lamp, the processing capability in real time of processor is limited, accept DMX512 signal and control motor simultaneously with same microcontroller, at full stretch above time, even to sacrifice the requirement that some performances could satisfy real-time, therefore, signal being received independent, is exactly a kind of solution with a microcontroller.Along with the intelligent degree of equipment and the raising of complexity, man-machine interface is also more and more sent out assorted, from the LED charactron to lattice lcd display, until the TFT panel, the complexity of panel has been improved a lot, signal is received independent, finish that signal receives and man-machine interface operation energy simplified design.On the other hand, the miniaturization of modular designing requirement control circuit, decentralized, panel and control panel separately become a kind of good selection.
At the demand that many aspects receive signal, the inventor designs a kind of signal repeat circuit plate that has multiple function through further investigation, and this case produces thus.
Summary of the invention
The purpose of this utility model is to provide a kind of multi-usage, signal repeat circuit plate cheaply, can connect multiple display panel and key panel.
For reaching above-mentioned purpose, solution of the present utility model is: a kind of signal repeat circuit plate is characterized in that: comprise microcontroller, direct supply input change-over circuit, battery input circuit, external control interface, temperature detection interface, display panel interface one, display panel interface two, signal input output interface one, signal input output interface two, signal input output interface three, keystroke interface, button; Keystroke interface is connected to battery input circuit and microcontroller through oversampling circuit; The battery input circuit is connected to direct supply input change-over circuit and microcontroller through oversampling circuit; External control interface is connected with microcontroller through oversampling circuit; The display panel interface is connected with microcontroller through oversampling circuit respectively with signal input output interface; Button is connected with keystroke interface through oversampling circuit, and is connected to microcontroller.
Further, signal input output interface one is connected with microcontroller through buffer circuit; Signal input output interface two, signal input output interface three are connected with microcontroller through the RS485 circuit.
Further, go back linker burning and debugging interface on the microcontroller.
Described microcontroller is the STM32F051Cx arm processor.
The utility model has the advantages that: after adopting such scheme, signal and signal repeat circuit plate via signal input output interface one are isolated, ensure the safe and reliable of signal repeat circuit plate, avoided the outside signal accident that connects that whole signal repeat circuit plate is caused damage; The signal of signal input input interface two, signal input output interface three has improved the anti-interference of signal through the RS485 chip, also can realize the both-way communication of signal; Keystroke interface and battery circuit can allow equipment not having to carry out panel operation under the situation of dispatch from foreign news agency, and parameter is set; Keystroke interface can connect knob, also can connect keypad; Two display panel interfaces can connect multiple display panel; The temperature detection interface has been realized the monitoring to device temperature; External control interface can be used for realizing the control to such as electric light, blower fan.
Description of drawings
Fig. 1 is the system chart of a kind of signal repeat circuit plate described in the utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is elaborated.
Consult shown in Figure 1, a kind of signal repeat circuit plate that the utility model discloses comprises microcontroller, direct supply input change-over circuit, battery input circuit, external control interface, temperature detection interface, display panel interface one, display panel interface two, signal input output interface one, signal input output interface two, signal input output interface three, keystroke interface, several buttons; Keystroke interface is connected to battery input circuit and microcontroller through oversampling circuit; The battery input circuit is connected to direct supply input change-over circuit and microcontroller through oversampling circuit; External control interface is connected with microcontroller through oversampling circuit; The display panel interface is connected with microcontroller through oversampling circuit respectively with signal input output interface; Several buttons are through oversampling circuit and keystroke interface, and are connected to microcontroller.
Direct supply input change-over circuit becomes the needed voltage of other device on the circuit board, the work of power supply road with the DC voltage of input or the voltage transitions of battery input circuit output.The battery input circuit has on-off circuit, is connected to microcontroller, at the voltage that does not have can keep or disconnect under the situation of dispatch from foreign news agency battery.Direct supply input change-over circuit has voltage detecting circuit and is connected to microcontroller.The temperature detection interface is connected to the AD port of microcontroller through circuit, by the AD converter sense temperature of microcontroller.External interface is connected to microcontroller, controls the operation of outer bulb, blower fan and stops by the port of microcontroller.Place button on the signal repeat circuit plate, button is connected to microcontroller by circuit, realizes human-computer interaction.Two display panel interfaces can connect polytype panel.
Signal input output interface one is connected with microcontroller through buffer circuit; Signal input output interface two, signal input output interface three are connected with microcontroller through the RS485 circuit.Microcontroller has special serial line interface, convenient reception and the transmission that realizes signal.
Go back linker burning and debugging interface on the microcontroller.
Described microcontroller is the STM32F051Cx arm processor, and it has possessed realizes the required total interface pin of function, and provides sufficient resource for program design.
Claims (4)
1. a signal is transmitted wiring board, it is characterized in that: comprise microcontroller, direct supply input change-over circuit, battery input circuit, external control interface, temperature detection interface, display panel interface one, display panel interface two, signal input output interface one, signal input output interface two, signal input output interface three, keystroke interface, button; Keystroke interface is connected to battery input circuit and microcontroller through oversampling circuit; The battery input circuit is connected to direct supply input change-over circuit and microcontroller through oversampling circuit; External control interface is connected with microcontroller through oversampling circuit; The display panel interface is connected with microcontroller through oversampling circuit respectively with signal input output interface; Button is connected with keystroke interface through oversampling circuit, and is connected to microcontroller.
2. signal is transmitted wiring board according to claim 1, it is characterized in that: signal input output interface one is connected with microcontroller through buffer circuit; Signal input output interface two, signal input output interface three are connected with microcontroller through the RS485 circuit.
3. signal is transmitted wiring board according to claim 1, it is characterized in that: go back linker burning and debugging interface on the microcontroller.
4. signal is transmitted wiring board according to claim 1, and it is characterized in that: described microcontroller is the STM32F051Cx arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079066 CN203070026U (en) | 2013-02-21 | 2013-02-21 | Signal transmitting circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079066 CN203070026U (en) | 2013-02-21 | 2013-02-21 | Signal transmitting circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070026U true CN203070026U (en) | 2013-07-17 |
Family
ID=48768794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320079066 Expired - Fee Related CN203070026U (en) | 2013-02-21 | 2013-02-21 | Signal transmitting circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203070026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682989A (en) * | 2013-11-27 | 2015-06-03 | 中国航天科工集团第三研究院第八三五七研究所 | RS-422A signal transmitting device based on CPLD (complex programmable logic device) |
-
2013
- 2013-02-21 CN CN 201320079066 patent/CN203070026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682989A (en) * | 2013-11-27 | 2015-06-03 | 中国航天科工集团第三研究院第八三五七研究所 | RS-422A signal transmitting device based on CPLD (complex programmable logic device) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20150221 |
|
| EXPY | Termination of patent right or utility model |