CN203179474U

CN203179474U - PC-controlled LED display system

Info

Publication number: CN203179474U
Application number: CN2013201254097U
Authority: CN
Inventors: 郑小萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-19
Filing date: 2013-03-19
Publication date: 2013-09-04
Anticipated expiration: 2023-03-19

Abstract

The utility model discloses a PC-controlled LED display system, which comprises a host computer, a USB transmission circuit, a single-chip microcomputer (SCM) control circuit, a row driver circuit, a column driver circuit and a dot matrix display circuit. The host computer is connected with the USB transmission circuit and the USB transmission circuit is connected with the SCM control circuit. The SCM control circuit is respectively connected with the row driver circuit and the column driver circuit. The row driver circuit and the column driver circuit are connected with the dot matrix display circuit. According to the technical scheme of the utility model, the product Visual Basic 6.0 prepared by Microsoft Corporation is adopted as the development platform of the PC-controlled LED display system, so that the design for the PC-based dot matrix display system is realized. In this way, the display information of the system can be directly updated in real time through the USB interface of the PC. Since the communication of the system is realized through USB interfaces instead of serial interfaces, the system is better in practicability. The entire system is low in design cost, friendly in interface, strong in practicality and convenient to use.

Description

A kind of LED display system of PC control

Technical field

The utility model relates to a kind of LED display system of PC control.

Background technology

Along with the development of infotech, the present information display system develops into robotization, networking, multi-functional, multimedia information display system from basic function, single equipment, simple closure control and manual mode of operation; The LED dot matrix is the display device of a kind of low-power consumption, low-loss, low price, control through single-chip microcomputer, it can show various characters, Chinese character and figure, and can realize the functions such as rolling up and down, animation, flicker, text feature demonstration of screen, system connects also more convenient; But along with the develop rapidly of society, the real-time literal display mode of LED dot matrix is advanced inadequately, also exists many problems.

The utility model content

The purpose of this utility model provides a kind of control by single-chip microcomputer, is implemented in the LED display system that the dot matrix screen is gone up the PC control that shows in real time.

The LED display system of a kind of PC control of the present utility model comprises host computer, USB transmission circuit, single chip machine controlling circuit, horizontal drive circuit, column drive circuit and dot matrix display circuit; Described host computer connects the USB transmission circuit; Described USB transmission circuit connects single chip machine controlling circuit; Described single chip machine controlling circuit connects horizontal drive circuit and column drive circuit respectively; Described horizontal drive circuit is connected the dot matrix display circuit with column drive circuit.

Further, the software interface operational module is realized by Visual Basic on the described PC.

As preferably, described USB transmission circuit is chip CH372.

As preferably, described single chip machine controlling circuit is chip STC12C5060S2.

Further, described driving circuit is made of horizontal drive circuit and column drive circuit.

The beneficial effects of the utility model are: the Visual Basic 6.0 with Microsoft is development platform, realized the design based on the LED dot matrix display system of PC, the utility model selects for use the monochromatic dot matrix of 8*8 to make up 16 * 32 dot matrix display screens, realized directly demonstration information being carried out by the USB interface of PC the function of real-time update, substantially realized traditional LED Presentation Function by test shows based on the LED display system design of PC, and adopted usb communication, changed serial interface communication, increased practicality, whole design system cost is low, friendly interface, practical, easy to use.

Description of drawings

Fig. 1 is design system general diagram of the present utility model.

Fig. 2 is the utility model hardware circuit diagram.

Fig. 3 is the utility model software flow pattern.

Embodiment

See also Fig. 1, the LED display system of the utility model PC comprises host computer, USB transmission circuit, single chip machine controlling circuit, horizontal drive circuit, column drive circuit and dot matrix display circuit; Described host computer connects the USB transmission circuit; Described USB transmission circuit connects single chip machine controlling circuit; Described single chip machine controlling circuit connects horizontal drive circuit and column drive circuit respectively; Described horizontal drive circuit is connected the dot matrix display circuit with column drive circuit.

See also Fig. 2, described USB transmission circuit is made up of CH372 chip and peripheral auxiliary circuits, is used for realizing the data communication of upper and lower machine; Described single chip machine controlling circuit adopts chip STC12C5060S2, the data of CH372 transmission is handled and given LED show; Described horizontal drive circuit can have enough big current drives LED dot matrix display screen, and column drive circuit constitutes 32 bit shift register, carries out 32 row column scans; Described LED display circuit makes the Chinese character on the display screen carry out the scroll-up/down demonstration by the single-chip microcomputer Data transmission.

See also Fig. 3, system flow is: open USB device, judge whether upper and lower computer communication is successful, waits for that then the user imports Chinese character, clicks " OK " button; After if the user finishes button click, after intrinsic function extracted Chinese character dot matrix code character pattern data, USB just communicated, and sent data length for the first time, from beginning to send for the second time the dot array data of N Chinese character, after data are sent completely, closed USB.

Above-described embodiment; it is an example of the present utility model; be not to limit enforcement of the present utility model and interest field, all or technical schemes of being equal to identical with the described content of the utility model claim all should be included in the utility model protection domain.

Claims

1. the LED display system of a PC control is characterized in that: comprise host computer, USB transmission circuit, single chip machine controlling circuit, horizontal drive circuit, column drive circuit and dot matrix display circuit; Described host computer connects the USB transmission circuit; Described USB transmission circuit connects single chip machine controlling circuit; Described single chip machine controlling circuit connects horizontal drive circuit and column drive circuit respectively; Described horizontal drive circuit is connected the dot matrix display circuit with column drive circuit.

2. the LED display system of PC according to claim 1 control, it is characterized in that: described USB transmission circuit is chip CH372.

3. the LED display system of PC according to claim 1 control, it is characterized in that: described single chip machine controlling circuit is chip STC12C5060S2.

4. the LED display system of PC according to claim 1 control, it is characterized in that: described driving circuit is made of horizontal drive circuit and column drive circuit.