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A signal intelligent identification module

An intelligent identification and signal technology, applied in the field of signal identification, can solve problems such as safety accidents, misjudgment, and improper operation

Active Publication Date: 2020-05-19
深圳成智达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional measuring instruments need to use toggle switches or buttons to select functions during the measurement process, and then measure the signal, and before measuring the signal, it is generally a human judgment to determine what type of device is being measured before further determining the type of device being measured. However, there are safety accidents caused by misjudgment or improper operation during the measurement process.

Method used

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  • A signal intelligent identification module
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] An embodiment of the present invention provides a signal intelligent identification module, such as figure 2 As shown, the passive identification circuit includes:

[0069] The triode protection circuit is used to perform automatic overvoltage and overcurrent protection on the passive signal before identifying and measuring the passive signal;

[0070] The triode protection circuit includes: a first NPN transistor Q1, a second NPN transistor Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first operational amplifier U1, and a first analog switch U2 , the first diode D1, ground GND, power supply VCC, thermistor PTC1, input signal INPUT1, input signal IN0, input terminal OHM,

[0071] Wherein, based on one end of the thermistor PTC1, the input signal INPUT1 is input, the other end of the thermistor PTC1 is connected to the anode of the first diode D1, and the cathode of the first diode D1 is connected to the first NPN transist...

Embodiment 2

[0077] An embodiment of the present invention provides a signal intelligent identification module, such as image 3 As shown, the passive identification circuit also includes:

[0078] An optocoupler protection circuit, used to perform automatic overvoltage and overcurrent protection on the passive signal before identifying and measuring the passive signal;

[0079] The optocoupler protection circuit includes: input signal INPUT1, thermistor PTC1, first diode D1, first optocoupler U3, second optocoupler U4, fifth resistor R5, sixth resistor R6, seventh resistor R7 , the third NPN transistor Q3, the fourth NPN transistor Q4, the first operational amplifier U1, the input terminal OHM, the power supply VCC, the ground GND, the current transformer CT,

[0080] Wherein, based on one end of the thermistor PTC1, the input signal INPUT1 is input, the other end of the thermistor PTC1 is connected to the anode of the first diode D1, and the cathode of the first diode D1 is connected to...

Embodiment 3

[0085] An embodiment of the present invention provides a signal intelligent identification module, such as Figure 4 As shown, the active identification circuit includes a voltage identification measurement circuit,

[0086] The voltage identification measurement circuit includes: input signal INPUT2, eighth resistor R8, ninth resistor R9, tenth resistor R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13, second analog switch U5 , power supply VCC, ground GND, microprocessor module A1,

[0087] One end of the eighth resistor R8 inputs the input signal INPUT2, the other end of the eighth resistor R8 is connected in series with the ninth resistor R9, the tenth resistor R10, and the eleventh resistor R11 in sequence, and the other end of the eleventh resistor R11 is connected with the second The COM terminal of the analog switch U5 is connected, the V+ terminal of the second analog switch U5 is connected to the power supply VCC, the NC terminal of the seco...

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PUM

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Abstract

The invention provides an intelligent signal identification module, which comprises a passive identification circuit and an active identification circuit, wherein the passive identification circuit isused for identifying a passive signal in a preset circuit according to preset passive signal characteristics and measuring a corresponding passive measurement value obtained according to the identified passive signal; and the active identification circuit is used for identifying an active signal in the preset circuit according to preset active signal characteristics and measuring a correspondingactive measurement value obtained according to the identified active signal. The intelligent signal identification module is used for achieving the target of automatic identification measurement of the active signal and the passive signal according to the passive identification circuit and the active identification circuit.

Description

technical field [0001] The invention relates to the technical field of signal identification, in particular to an intelligent signal identification module. Background technique [0002] Traditional measuring instruments need to use toggle switches or buttons to select functions during the measurement process, and then measure the signal, and before measuring the signal, it is generally a human judgment to determine what type of device is being measured before further determining the type of device being measured. However, there are safety accidents caused by misjudgment or improper operation during the measurement process. [0003] Therefore, it is particularly important to reduce manual intervention and automatically identify the signal under test. Contents of the invention [0004] The invention provides an intelligent signal identification module, which is used to realize the purpose of automatically identifying and measuring active signals and passive signals accordin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R15/12
CPCG01R15/125
Inventor 王成龙
Owner 深圳成智达科技有限公司
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