Electrostatic detecting circuit and method thereof

Patent metadata

Field	Value
Publication number	US-9448269-B2
Application number	US-201414286663-A
Country	US
Kind code	B2
Filing date	May 23, 2014
Priority date	May 24, 2013
Publication date	Sep 20, 2016
Grant date	Sep 20, 2016

Abstract

An electronic detecting circuit includes at least one electrostatic protective module, at least one detection module, and a microprocessor controller module. The at least one detection module is respectively connected to the at least one electrostatic protective module, and the at least one detection module generates a driving record signal according to a driving state of the at least one electrostatic protective module. The microprocessor controller module is coupled with the at least one detection module, wherein the microprocessor controller module records the driving record signal when the at least one detection module transmits the driving record signal to the microprocessor controller module.

First claim

The invention claimed is:

1. An electrostatic detecting circuit, comprising:
at least one electrostatic protective module;
at least one detection module respectively connected to the at least one electrostatic protective module, wherein the at least one detection module generates a driving record signal according to a driving status of the at least one electrostatic protective module; and
a microprocessor controller module coupled to the at least one detection module, wherein the microprocessor controller module records the driving record signal when the at least one detection module transmits the driving record signal to the microprocessor controller module;
wherein a default state of the at least one electrostatic protective module is a stop protection state; when the at least one electrostatic protective module is driven, the at least one electrostatic protective module changes from the stop protection state to a drive protection state; the at least one electrostatic protective module generates an electrostatic surge signal when the at least one electrostatic protective is in the drive protection state, and the at least one detection module changes the electrostatic signal into the driving record signal, wherein the driving record signal is a direct voltage signal.

2. The electrostatic detecting circuit of claim 1 , wherein each of the at least one electrostatic protective module further includes:
a delay circuit having a protective resistor; and
a control switch connected to the protective resistor in parallel, wherein the at least one electrostatic protective module stops the driving protection when the control switch turns on.

3. The electrostatic detecting circuit of claim 1 , wherein the at least one detection module generates the driving record signal according to whether the status of the at least one electrostatic protective module has changed to the drive protection state.

4. The electrostatic detecting circuit of claim 1 , wherein the microprocessor controller module includes:
a storage unit storing the driving record signal;
a read-in interface connected to the storage unit and acting as a transmission interface for the driving record signal.

5. The electrostatic detecting circuit of claim 3 , wherein the microprocessor controller module stores and records the driving record signal.

6. The electrostatic detecting circuit of claim 1 , wherein the at least one electrostatic protective module conducts an electrostatic current when the at least one electrostatic protective module is in the drive protection state.

7. The electrostatic detecting circuit of claim 4 , further comprising:
a verification distribution module connected to the read-in interface, wherein the verification distribution module reads the driving record signal and a position of each of the at least one electrostatic protective module to determine a protection distribution verification map.

8. An electrostatic detecting method, comprising:
by at least one detection module, generating a driving record signal according to a driving state of at least one electrostatic protective module; wherein a default state of the at least one electrostatic protective module is a stop protection state, when the at least one electrostatic protective module is being driven, the at least one electrostatic protective module changes from the stop protection state to a drive protection state and generates an electrostatic surge signal; and
through the at least one detection module, transforming the electrostatic surge signal into the driving record signal, wherein the driving record signal is a direct current voltage signal, and when transmitting the driving record signal to a microprocessor controller module, recording the driving record signal with the microprocessor controller module.

9. The electrostatic detecting method of claim 8 , wherein the at least one detection module generates the driving record signal according to whether the at least one electrostatic protective module changes from the stop protection state to the drive protection state.

10. The electrostatic detecting method of claim 9 , wherein the storing step of the microprocessor controller module comprises:
storing and recording the driving record signal through the microprocessor controller module.

11. The electrostatic detecting method of claim 8 , wherein the storing step of the microprocessor controller module comprises:
storing the driving record signal through a storage unit of the microprocessor controller module.

12. The electrostatic detecting method of claim 8 , further comprising:
controlling a control switch of the electrostatic protective module to stop driving the electrostatic protective module.

13. An electrostatic detecting circuit, comprising:
at least one electrostatic protective module, wherein each of the at least one electrostatic protective module further includes:
a delay circuit having a protective resistor; and
a control switch connected to the protective resistor in parallel, wherein the at least one electrostatic protective module stops the driving protection when the control switch turns on;
at least one detection module respectively connected to the at least one electrostatic protective module, wherein the at least one detection module generates a driving record signal according to a driving status of the at least one electrostatic protective module; and
a microprocessor controller module coupled to the at least one detection module, wherein the microprocessor controller module records the driving record signal when the at least one detection module transmits the driving record signal to the microprocessor controller module.

14. An electrostatic detecting circuit, comprising:
at least one electrostatic protective module;
at least one detection module respectively connected to the at least one electrostatic protective module, wherein the at least one detection module generates a driving record signal according to a driving status of the at least one electrostatic protective module; and
a microprocessor controller module coupled to the at least one detection module, wherein the microprocessor controller module records the driving record signal when the at least one detection module transmits the driving record signal to the microprocessor controller module, the microprocessor controller module further includes:
a storage unit storing the driving record signal;
a read-in interface connected to the storage unit and acting as a transmission interface for the driving record signal; and
a verification distribution module connected to the read-in interface,

wherein the verification distribution module reads the driving record signal and a position of each of the at least one electrostatic protective module to determine a protection distribution verification map.

Assignees

• Raydium Semiconductor Corp

Inventors

• Liu Cheng-Chin

Classifications

• G01R31/12

  Testing dielectric strength or breakdown voltage {; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing (G01R31/08, G01R31/327 and G01R31/72 take precedence; measuring in plasmas G01R19/0061; measuring dielectric constants G01R27/2617; ESD, EMC or EMP testing of circuits G01R31/002)} · CPC title

• G01N27/60

  by investigating electrostatic variables {, e.g. electrographic flaw testing (G01N27/007 takes precedence)} · CPC title

• G01R31/002 Primary

  where the device under test is an electronic circuit · CPC title

• G01R15/165

  measuring electrostatic potential, e.g. with electrostatic voltmeters or electrometers, when the design of the sensor is essential (electrometers with passively moving electrodes G01R5/28; measuring electrostatic fields G01R29/12; measuring charge G01R29/24; measuring in circuits with high internal resistance G01R19/0023) · CPC title

• G01R29/12

  Measuring electrostatic fields {or voltage-potential} · CPC title