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Configurable voltage output device and method based on discrete semiconductors and controller

A voltage output and semiconductor technology, applied in the field of configurable voltage output devices, can solve problems such as single output range, inconvenient improvement, and inability to meet terminal instrument control, and achieve low cost and easy improvement effects

Active Publication Date: 2021-04-16
ZHEJIANG SUPCON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing analog voltage output system mostly relies on imported integrated chips for analog voltage output, the output channel control voltage cost is high, and the output range is single, which cannot meet the requirements of the same board for controlling multi-type input terminal instruments; and not easy to improve

Method used

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  • Configurable voltage output device and method based on discrete semiconductors and controller
  • Configurable voltage output device and method based on discrete semiconductors and controller
  • Configurable voltage output device and method based on discrete semiconductors and controller

Examples

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Effect test

Embodiment 1

[0041] figure 1 It is a schematic structural diagram of a configurable voltage output device based on discrete semiconductors in Embodiment 1 of the present application, such as figure 1 As shown, the device includes: a PWM signal generation module 1, a voltage configuration module 2, a frequency selection module 3, and an operation module 4;

[0042] The PWM signal generation module 1 is connected with the voltage configuration module 2 for generating a PWM signal and outputting it to the voltage configuration module 2; the frequency and duty cycle of the PWM signal are determined based on the accuracy and range of the required output voltage;

[0043] The voltage configuration module 2 is connected with the frequency selection module 3 for receiving the PWM signal, obtains the first pulse signal by changing the duty cycle of the PWM signal, and outputs the first pulse signal to the frequency selection module 3; wherein, the duty cycle is based on The output voltage range of...

Embodiment 2

[0058] image 3 It is a schematic structural diagram of a multi-channel discrete semiconductor-based configurable voltage output device provided in Embodiment 2 of the present application, as shown in image 3 As shown, the present application provides a multi-channel discrete semiconductor-based configurable voltage output device through Embodiment 2. Since a single type of voltage output type cannot meet multi-industry applications, this embodiment adopts a voltage output device for different terminal control requirements. The configuration module adjusts the output voltage range. Among them, the control signal of the channel voltage is controlled by the PWM signal, and the duty ratio of the PWM signal is adjusted through the voltage configuration module, so as to realize the control of the controlled terminal with multiple voltage ranges. Specifically, the MCU uses the 32-bit microcontroller SC32F19128LM1G produced by Silan Microelectronics, which can output voltages rangi...

Embodiment 3

[0061] This embodiment provides a configurable voltage output device based on discrete semiconductors with line impedance compensation. The following will combine Figure 4 The line impedance compensation involved in this embodiment will be described in detail.

[0062] Figure 4 It is a schematic diagram of the circuit structure of the circuit impedance compensation for the voltage output device provided in the third embodiment of the present application; Figure 4 As shown, this part is composed of a differential proportional operation circuit, a pull-up circuit, and a voltage follower circuit. The differential proportional operation circuit is composed of the second operational amplifier, the third resistor R3, the fourth resistor R4, the fifth resistor R5, and the second feedback resistor Rf2, the input terminal u1 and the input terminal u2 are connected to the line impedance compensation terminal, and the third resistor R3 Both ends are respectively connected to the in...

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Abstract

The invention belongs to the technical field of automatic control, and particularly relates to a configurable voltage output device and method based on discrete semiconductors and a controller. The device comprises a PWM signal generation module, a voltage configuration module, a frequency selection module and an operation module, the PWM signal generation module is used for generating PWM signals, the voltage configuration module is used for changing the duty ratio of the PWM signals, the frequency selection module is used for frequency selection, and the operation module is used for obtaining output voltage meeting the requirements of external equipment through an operation circuit. The device can realize various voltage output ranges, has the advantages of multiple channels, low cost and configurability, and can meet various voltage output requirements; and as discrete components are adopted, compared with an imported integrated chip, the improvement is more convenient.

Description

technical field [0001] The present application belongs to the technical field of automatic control, and in particular relates to a configurable voltage output device, method and controller based on discrete semiconductors. Background technique [0002] In the field of industrial control, the analog output device is used as a key module of the output control of the field control station to drive and control the actuators of the production site and public works. Its performance and control characteristics are very important. The existing analog output devices are divided into two types: one is the analog current output type, which mostly outputs 4mA~20mA current signals, which are mainly used for current output type controlled devices; the other is the analog voltage output type, which mainly Applied to terminal instruments with voltage input. [0003] The existing analog voltage output system mostly relies on imported integrated chips for analog voltage output, the output ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042H03F3/45
Inventor 石莹许祥杰董丹娜孔繁会郭磊
Owner ZHEJIANG SUPCON TECH
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