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The temperature control method of lead sulfide based on single chip computer

A temperature control method and single-chip microcomputer technology, applied in the direction of temperature control, temperature control by electric means, control/adjustment system, etc., can solve problems such as unfavorable debugging and inconvenient mass production, and achieve the goal of improving convenience and accuracy Effect

Active Publication Date: 2022-06-03
MIANYANG MUTUAL SUCCESS INTELLIGENT EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not conducive to debugging, and circuit parameters need to be customized according to different ambient temperatures, which is inconvenient for mass production

Method used

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  • The temperature control method of lead sulfide based on single chip computer
  • The temperature control method of lead sulfide based on single chip computer
  • The temperature control method of lead sulfide based on single chip computer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] like Figure 1-Figure 5 As shown, the temperature control method of lead sulfide based on single chip microcomputer includes the following steps:

[0037] S1. Data collection: use the temperature sensor to collect the temperature of lead sulfide in real time, and transmit the collected temperature signal to the single-chip microcomputer;

[0038] S2. Data analysis: The single-chip microcomputer obtains the set value from the host computer through CAN communication, and the single-chip microcomputer converts the current temperature of lead sulfide collected by the temperature sensor to analog-to-digital conversion, and outputs the PWM wave to the cooling chip driver board through PID operation;

[0039] S3. Temperature adjustment: The cooling sheet is driven by the cooling sheet driving plate to heat or cool so that the temperature of lead sulfide reaches the set value.

[0040] In this embodiment, the temperature sensor is connected to the analog port of the microcontr...

Embodiment 2

[0046] like Figure 1-Figure 5 As shown, this embodiment is based on Embodiment 1,

[0047] A timing unit is set in the single-chip microcomputer, and the sampling period is controlled by the timing unit.

Embodiment 3

[0049] like Figure 1-Figure 5 As shown, this embodiment is based on Embodiment 1. The L1 pin and the L2 pin of the step-up and step-down converter module are respectively connected to both ends of the inductor coil L3; it also includes a fifth resistor R9, a diode D10, a sixth The resistor R7 and the eighth capacitor C82, one end of the fifth resistor R9 is connected to the common end of the third resistor R11 and the FB pin, the other end is connected to the common end of the first resistor R22 and the second capacitor C11, and one end of the eighth capacitor C82 is connected to the common end of the first resistor R22 and the second capacitor C11. The anode of the diode D10 is connected, the other end is connected to the common terminal of the fifth resistor R9 and the first resistor R22, the cathode of the diode D10 is connected to the FB pin, the common terminal of the third resistor R11 and the fifth resistor R9, and the sixth resistor R7 One end is connected to the comm...

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Abstract

The invention discloses a lead sulfide temperature control method based on a single-chip microcomputer, comprising the following steps: S1, data acquisition: using a temperature sensor to collect the lead sulfide temperature in real time, and transmitting the collected temperature signal to the single-chip microcomputer; S2, data analysis: the single-chip microcomputer communicates through CAN The set value is obtained from the upper computer, and the single-chip microcomputer converts the current temperature of lead sulfide collected by the temperature sensor into an analog-to-digital conversion, and outputs PWM waves to the cooling chip drive board through PID calculation; S3, temperature adjustment: the cooling chip is driven by the cooling chip driving board to heat or Refrigeration brings the lead sulfide temperature to a set value. The PID of the single-chip microcomputer of the present invention calculates the PWM duty cycle, and then outputs the PWM waveform to the cooling chip drive board through the pins of the single-chip microcomputer, thereby controlling the work of the cooling chip and playing the role of temperature control, without customizing circuit parameters for the PBS working environment, it can realize For mass production in different environments, there is no need to customize circuit parameters and programs for the environment, which improves the convenience of lead sulfide temperature control.

Description

technical field [0001] The invention relates to the technical field of lead sulfide temperature control, in particular to a lead sulfide temperature control method based on a single chip microcomputer. Background technique [0002] The performance of PBS (lead sulfide) varies greatly under different temperature conditions. Therefore, when using PBS, the temperature of PBS must be kept constant to make its performance stable. The currently known control schemes all use analog circuit control, and the main drawback is that the temperature setting needs to change the circuit parameters. It is not conducive to debugging, and circuit parameters need to be customized for different ambient temperatures, which is inconvenient for mass production. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a method for controlling the temperature of lead sulfide based on a single-chip microcomputer, which can adjust the temperature of lead sulfide accordi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/24G05D23/19
Inventor 杜平曾海龙莫建军蔡绍隆
Owner MIANYANG MUTUAL SUCCESS INTELLIGENT EQUIP