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Method and device for simulating NTC sensor parameters

A technology of sensor parameters and values, applied in the electronic field, can solve the problems of inaccuracy and inconvenience, and achieve the effect of convenient use and accurate simulation

Inactive Publication Date: 2010-03-10
SHENZHEN H&T INTELLIGENT CONTROL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for simulating NTC sensor parameters that accurately simulates the resistance value of an NTC sensor that varies with temperature and is easy to use for the above-mentioned imprecise and inconvenient defects of the prior art. its calibration device

Method used

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  • Method and device for simulating NTC sensor parameters
  • Method and device for simulating NTC sensor parameters

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Embodiment Construction

[0028] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0029] Such as figure 1 As shown, in the method flowchart of the method for simulating NTC sensor parameters of the present invention and its device embodiment, it comprises the following steps:

[0030] Start of S11: This step starts to simulate a temperature-corresponding resistance value of an NTC sensor.

[0031] S12 key set temperature value: In this step, the temperature value of this simulation is set through the input unit connected to the control unit, that is, the key. In this embodiment, the temperature value can be adjusted through the increase and decrease buttons and the confirmation button, and the unit of the temperature value can also be converted through the C / F button.

[0032] S13 Displaying the current temperature value: In this step, after the control unit receives the temperature value set above, it is displayed on the display un...

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Abstract

The invention relates to a method for simulating NTC sensor parameters, which comprises the following steps: setting the current temperature value; acquiring the resistance value corresponding to thecurrent temperature value; and controlling a digital potentionmeter to output the resistance value according to the resistance value. The invention also relates to a device for simulating the NTC sensor parameters. The implementation of the method and the device for simulating the NTC sensor parameters have the following beneficial effects: as a resistance regulating unit, a key input unit and a display unit are adopted, and the resistance regulating unit corresponds to the value displayed by the display unit under the control of a control unit, the simulation is more accurate, and the use isconvenient.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a method and device for simulating NTC sensor parameters. Background technique [0002] NTC sensor (Negative Temperature Coefficient) refers to a thermistor whose resistance decreases exponentially with temperature rise and has a negative temperature coefficient. It is made by fully mixing, forming and sintering two or more metal oxides such as manganese, copper, silicon, cobalt, iron, nickel and zinc. Usually used as a temperature sensor, etc. In its test circuit, the resistance box is generally used to simulate the change of the NTC sensor, and a certain resistance value corresponds to a temperature (R-T). Temperature changes will produce gaps, which cannot accurately simulate the change in resistance value when the temperature changes. In addition, there is no display interface in the existing simulation device, which is inconvenient to use. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K15/00
Inventor 秦宏武胡海林王志根冯磊刘建伟首召兵
Owner SHENZHEN H&T INTELLIGENT CONTROL
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