CN209879287U - Electronic cam controller with wifi communication - Google Patents

Abstract

The utility model provides a take electronic cam controller of wifi communication contains magnetic encoder, power module, cam input module, cam output module, the ARM singlechip, horse race lamp module, charactron display module, button input module and 1 way RS-485 or 232 communication module and a wifi communication module. The magnetic encoder, the cam input module, the cam output module, the horse race lamp module, the nixie tube display module, the key input module, the 1-channel RS-485 or 232 communication module and the wifi communication module are all connected with the ARM single chip microcomputer. The utility model discloses not only contain the wired communication mode of wired communication electron cam to increased the function that can support wireless communication's wifi communication again on this basis. The method is matched with mobile phone apps synchronously developed by companies for use, and terminal users can realize on-site machine tool tonnage monitoring and parameter setting through mobile phones as long as the mobile phones are connected in the same local area network, so that the real-time performance and effectiveness of on-site monitoring are improved, and the installation and operation of on-site workers are facilitated.

Description

Electronic cam controller with wifi communication

Technical Field

The utility model relates to an electronic cam controller mainly is applied to industrial machine tool automated control field.

Background

Most of the electronic cam controllers existing in the market are electronic cam controllers with wired communication. The electronic cam controller mostly adopts RS-422 and RS-485 wired communication modes to communicate with other equipment, the communication modes have extremely high requirements on the field environment and have certain limits on the communication speed and the communication distance, for example, when the communication speed of RS-485 is greater than 115200bps, the transmission distance is smaller than 300m, the communication speed is higher, the communication distance is shorter, the stability is poorer, the correctness of data is reduced, meanwhile, the requirement on the transmission cable is higher, a special communication cable is required, and the industrial cost is not favorably controlled.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the utility model provides a to above-mentioned prior art, provide an electronic cam controller of taking wifi communication.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electronic cam controller with wifi communication comprises a magnetic encoder, a power supply module, a cam input module, a cam output module, an ARM single chip microcomputer, a horse race lamp module, a nixie tube display module and a key input module; the magnetic encoder, the cam input module, the cam output module, the horse race lamp module, the nixie tube display module and the key input module are all connected with the ARM single chip microcomputer; still include wifi communication module, wifi communication module links to each other with the ARM singlechip.

Further, the device also comprises a 1-path RS-485 or 232 communication module, wherein the 1-path RS-485 or 232 communication module is connected with the ARM single chip microcomputer.

Further, the ARM single chip microcomputer is SMT32F103R8T 6.

Furthermore, the core module of the wifi communication module is an ESP-12F wifi module, and the ESP-12F wifi module is communicated with the ARM single chip microcomputer through a uart serial port.

Has the advantages that:

the utility model discloses a take electronic cam controller of wifi communication has speed value/angle value and shows, and the production count shows, and the summit location, the cam is set for, and the output is reachd to the production count, and the bottom dead center is set for, and angle sensor is just/reverse to be set for, and system parameter password protection, functions such as unusual warning of system. The wireless communication electronic cam not only comprises a wired communication mode (RS-485 or 232 communication) of a wired communication electronic cam, but also is added with a function of wifi communication capable of supporting wireless communication on the basis, and the requirements of different users can be met. The method is matched with mobile phone apps synchronously developed by companies for use, and terminal users can realize on-site machine tool tonnage monitoring and parameter setting through mobile phones as long as the mobile phones are connected in the same local area network, so that the real-time performance and effectiveness of on-site monitoring are improved, and the installation and operation of on-site workers are facilitated.

Drawings

Fig. 1 is a schematic structural diagram of an electronic cam controller with wifi communication.

Detailed Description

The invention is further described below with reference to the accompanying drawings and examples:

as shown in the attached figure 1, the electronic cam controller with wifi communication comprises a magnetic encoder, a power supply module, a cam input module, a cam output module, an ARM single chip microcomputer, a horse race lamp module, a nixie tube display module, a key input (parameter setting) module, a 1-way RS-485 or 232 communication module and a wifi communication module.

The single chip microcomputer adopts SMT32F103R8T6 of ST company, is a 32-bit ARM single chip microcomputer, and has the advantages of high operation speed, strong integrated function and low price.

The cam input and output module connected with the singlechip is connected with an optical coupler adopted by a pin at the input end of the singlechip, the type of the optical coupler is PC817, and a driving chip with high integration level and low price is adopted by the pin at the output end of the singlechip, and the type of the driving chip is MC1413 BDG.

The magnetic encoder is connected with the single chip microcomputer through the SPI serial interface and has the advantages of simple structure, extremely low cost, no special requirement on the environment, strong anti-interference capability and reliable work.

The input of the power supply is 24V direct current, the direct current is converted into 5V direct current through the chip TD1501 to be output to supply power to partial circuits, and the direct current is converted into 3.3V direct current through the chip AMS1117 to be supplied to the single chip microcomputer for use.

The 1-channel RS-485 or 232 communication module is used for carrying out level conversion on signals through a 485 or 232 communication interface chip and inputting the signals into the single chip microcomputer, and the type of the signals is ADM3485EN or MAX 232. The RS-485 communication has the advantages of simple wiring, good noise interference resistance, longer transmission distance, multi-station capability and the like. The RS-232 communication has the characteristics of simple application, wide application and the like.

The nixie tube display module adopts a common cathode nixie tube, the anode is connected with a current-limiting resistor through a port of the single chip microcomputer, and the cathode is driven by the chip 74LS 145.

The ticker module respectively controls the anode and the cathode by an input and output pin of an ARM singlechip and a driving chip 74LS145 to display on and off.

And the key input (parameter setting) module is used for setting cam parameters, the keys are respectively connected with a 3.3V power supply and GND through two ends of a resistor and are connected with pins of the single chip microcomputer, when the keys are pressed down, the pin level is pulled down, and the single chip microcomputer makes corresponding parameter setting according to the monitored pin level. The single chip microcomputer makes different judgments and sets different parameters according to different permutation and combination.

The core module of the wifi communication module is an ESP-12F wifi module. The ESP-12F wifi module is developed by Anxin science and technology, and an ESP8266 core processor of the module integrates an industry-leading Tencilical L106 ultra-low power consumption 32-bit micro MCU in a small-size package, and is provided with a 16-bit simplified mode, main frequencies of the micro MCU support 80MHz and 160MHz, an RTOS support, and an on-board antenna is integrated with Wi-Fi MAC/BB/RF/PA/LNA. The module supports standard IEEE802.11b/g/n protocol and complete TCP/IP protocol stack. ESP-12F is a high performance wireless SOC that offers maximum utility at the lowest cost, providing an unlimited opportunity for wifi functionality to be embedded in other systems.

The ESP-12F wifi module communicates with the ARM single chip microcomputer through a uart serial port, useful data transmitted by the single chip microcomputer are transmitted to the internet, and a terminal user can set various parameters according to matched mobile phone app wireless monitoring machine tonnage data.

In the electronic cam controller, the top dead center position and the bottom dead center position of the operation of each channel cam and the normal/reverse rotation setting of the magnetic encoder are set by key input on the display. The magnetic encoder is used as an angle sensor, the angle resolution of the magnetic encoder is 1 degree, and the magnetic encoder is used for reading the absolute angle value of the cam and filtering signals to obtain an accurate angle value. The single chip microcomputer counts the change of the angle value output by the magnetic encoder to calculate the cam angular speed, and the angular speed value is subjected to debouncing. The nixie tube display unit is dynamic display and is used for displaying the cam angular speed and the frequency of 100 Hz. The marquee unit comprises 36 angle indicator lamps, and the 36 angle indicator lamps are used for calculating the displayed lamps according to the cam angle value and displaying dynamically, the frequency is 1000Hz, the real-time rotating position of the cam is displayed obviously, and the angle is displayed to be 0-359 degrees.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. An electronic cam controller with wifi communication comprises a magnetic encoder, a power supply module, a cam input module, a cam output module, an ARM single chip microcomputer, a horse race lamp module, a nixie tube display module and a key input module; the magnetic encoder, the cam input module, the cam output module, the horse race lamp module, the nixie tube display module and the key input module are all connected with the ARM single chip microcomputer; the system is characterized by further comprising a wifi communication module, wherein the wifi communication module is connected with the ARM single chip microcomputer.

2. The electronic cam controller with wifi communication of claim 1, further comprising 1 way of RS-485 or 232 communication module, wherein the 1 way of RS-485 or 232 communication module is connected with ARM single chip microcomputer.

3. The electronic cam controller with wifi communication of claim 1, wherein the ARM single chip is SMT32F103R8T 6.

4. The electronic cam controller with wifi communication of claim 1, characterized in that, the wifi communication module's core module is ESP-12F wifi module, ESP-12F wifi module through uart serial ports with ARM singlechip communication.

5. The electronic cam controller with wifi communication of claim 1, characterized by that, the ticker unit includes 36 angle indicator lights for calculating the displayed lights according to the cam angle value and displaying dynamically, the frequency is 1000 Hz.