An overcurrent protection electrostatic suppression system and method

By comprehensively using ESD electrostatic tube array, GDT ceramic gas discharge tube array, current detection and automatic operation analysis system, transient multi-source electrostatic protection and overcurrent protection of electronic circuits are realized, and it is difficult to quickly absorb ESD energy in the prior art. The problem of static suppression and protection significantly improves the effects of electrostatic suppression and protection.

CN118300048BActive Publication Date: 2025-02-07SHENZHEN BICHUANGDA ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202410331981.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-02-07
Estimated Expiration
2044-03-22

AI Technical Summary

Technical Problem

The prior art is difficult to quickly absorb ESD energy under reverse application conditions, protect the system from ESD/Surge damage, and it is difficult to perform transient multi-source electrostatic protection and transient overcurrent protection.

Method used

A comprehensive method including front-end transient high-voltage protection subsystem, current detection pulse monitoring subsystem, automatic operation analysis comparison score system and overcurrent protection electrostatic suppression subsystem is adopted. Transient multi-source electrostatic protection at the power supply end, transient high-voltage protection and transient overcurrent protection are carried out through ESD electrostatic tube array and GDT ceramic gas discharge tube array; detect and monitor transient current and voltage values ​​of electrostatic discharge; calculate and compare transients; Surge peak power and ESD rated transient pulse power; system overcurrent protection control and electrostatic suppression are carried out through the intelligent control center for electrostatic monitoring.

Benefits of technology

The electrostatic suppression and protection of high-speed and high-frequency systems of electronic circuits is realized, so as to avoid the instantaneous high-energy impact of precision devices, quickly absorb ESD energy, prevent transient high-voltage spike pulse impact, and enhance the system's overcurrent protection capability and electrostatic suppression effect.

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Abstract

The present invention provides an overcurrent protection electrostatic suppression system and method, which uses an ESD electrostatic tube array and a GDT ceramic gas discharge tube array to perform transient multi-source electrostatic protection, transient high-voltage protection and transient overcurrent protection at the power supply end; detects the electrostatic discharge transient current value and monitors the electrostatic discharge transient voltage value; obtains the reverse pulse peak current value and the reverse pulse peak voltage value; automatically calculates and analyzes the system for comparison, and calculates the transient surge peak power through an automatic calculation center; intelligently analyzes and compares the transient surge peak power with the ESD rated transient pulse power to obtain transient pulse power comparison information; and performs system overcurrent protection control, controls the ESD electrostatic tube array overload protection and electrostatic drainage, and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression through an electrostatic monitoring intelligent control center.
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Description

Technical Field

[0001] The present invention relates to the technical field of overcurrent protection electrostatic detection suppression control, and more specifically, to an overcurrent protection electrostatic suppression system and method. Background Art

[0002] At present, with the rapid development of electronic circuit technology, electrostatic suppression and protection of electronic circuits are becoming more and more important; under reverse application conditions, when precision devices are subjected to instantaneous high-energy impact, how to change the impedance value from high impedance to low impedance at an extremely high speed to absorb a momentary large current to the ground, and at the same time perform voltage clamping to protect circuit components and prevent transient high-voltage spike pulse impacts, etc., have yet to be solved; how to quickly absorb ESD energy to protect the system from ESD / Surge damage is more critical; how to perform transient multi-source electrostatic protection and transient overcurrent protection, how to detect electrostatic discharge transient current and voltage values ​​and monitor reverse pulse peak current and reverse pulse peak voltage, how to analyze transient surge peak and ESD rated transient pulse power comparison, how to perform system overcurrent protection control and ESD overload protection and electrostatic suppression, etc., have yet to be solved; therefore, it is necessary to propose an overcurrent protection electrostatic suppression system and method to at least partially solve the problems existing in the prior art. Summary of the invention

[0003] A series of simplified concepts are introduced in the content of the invention, which will be further described in detail in the specific implementation method section; the content of the invention of the present invention does not mean to attempt to limit the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0004] In order to at least partially solve the above problems, the present invention provides an overcurrent protection electrostatic suppression system, comprising:

[0005] The front-end transient high-voltage protection subsystem uses ESD electrostatic tube arrays and GDT ceramic gas discharge tube arrays to provide transient multi-source electrostatic protection, transient high-voltage protection, and transient overcurrent protection at the power supply end.

[0006] The current detection pulse monitoring subsystem detects the transient current value of electrostatic discharge and monitors the transient voltage value of electrostatic discharge; monitors the working pulse signal to obtain the pulse peak current value and pulse peak voltage value;

[0007] Automatic calculation and analysis comparison system, calculate the transient surge peak power through the automatic calculation center; intelligently analyze and compare the transient surge peak power and the ESD rated transient pulse power to obtain transient pulse power comparison information;

[0008] The overcurrent protection electrostatic suppression subsystem controls the system overcurrent protection through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage, and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression.

[0009] Preferably, the front-end transient high voltage protection subsystem includes:

[0010] The ESD electrostatic crystal particle system uses the ESD electrostatic tube array to provide transient multi-source electrostatic protection at the power supply end;

[0011] The GDT ceramic gas discharge tube array subsystem provides transient high voltage protection and transient overcurrent protection through the GDT ceramic gas discharge tube array.

[0012] Preferably, the current detection pulse monitoring subsystem includes:

[0013] The transient reverse shunt current detection subsystem detects the electrostatic discharge transient current and the reverse working pulse current through the current shunt to obtain the electrostatic discharge transient current value and the reverse pulse peak current value;

[0014] The capacitor voltage division voltage monitoring subsystem monitors the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module, and obtains the electrostatic discharge transient voltage value and the reverse pulse peak voltage value;

[0015] The electrostatic discharge transient voltage value includes: the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: the electrostatic discharge forward transient current value and the electrostatic discharge reverse transient current value; the capacitor voltage divider voltage monitoring module includes: a multi-stage capacitor voltage divider unit, a voltage detection unit and a detection information proportional operation unit; through the capacitor voltage divider voltage monitoring module, the reverse working pulse voltage and the electrostatic discharge transient voltage are monitored, and the reverse working pulse voltage and the reverse pulse peak voltage value are obtained, including: the multi-stage capacitor voltage divider unit has a multi-stage voltage divider capacitor, which reduces the electrostatic transient high voltage step by step through the multi-stage voltage divider capacitor, and converts it into a voltage within the detection range of the voltage detection unit. Low voltage to be detected; the voltage detection unit detects the low voltage to be detected to obtain the conversion detection low voltage value; through the detection information proportional operation unit, according to the conversion detection low voltage value, the inverse proportion of the step-by-step voltage reduction of the multi-stage voltage-dividing capacitor is calculated step by step to obtain the electrostatic discharge transient voltage value; the capacitor voltage-dividing voltage monitoring module monitors the reverse working pulse state to obtain the reverse pulse peak voltage value; the voltage detection unit detects the different direction voltages generated under different electrostatic discharge states of forward electrostatic discharge and reverse electrostatic discharge through the first reverse diode and the second reverse diode that are connected in series with the diode polarity of the ESD electrostatic tube array, so as to obtain the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value.

[0016] Preferably, the automatic calculation analysis comparison score system includes:

[0017] The data operation and processing subsystem calculates the transient surge peak power through the automatic operation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value;

[0018] The peak power comparison subsystem intelligently analyzes and compares the transient surge peak power with the ESD rated transient pulse power to obtain transient pulse power comparison information.

[0019] Preferably, the overcurrent protection electrostatic suppression subsystem includes:

[0020] The overcurrent electrostatic monitoring control subsystem controls the on / off of the overcurrent protection circuit and the overcurrent protector through the electrostatic monitoring intelligent control center according to the electrostatic discharge transient current value and the reverse pulse peak current value, so as to perform system overcurrent protection;

[0021] The transient pulse intelligent control subsystem intelligently controls the transient piezoelectric induction touch module based on the transient pulse power comparison information through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage; and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression;

[0022] The overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a static monitoring intelligent control center signal controller. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the static monitoring intelligent control center signal controller controls the high-speed switch tube to conduct and turns on the current shunt overcurrent protection.

[0023] The transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit is connected to the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

[0024] The present invention provides an overcurrent protection static electricity suppression method, comprising:

[0025] P1, through the ESD electrostatic tube array and GDT ceramic gas discharge tube array, the power supply end is provided with transient multi-source electrostatic protection, transient high voltage protection and transient overcurrent protection;

[0026] P2, detects the electrostatic discharge transient current value and monitors the electrostatic discharge transient voltage value; monitors the working pulse signal to obtain the pulse peak current value and the pulse peak voltage value;

[0027] P3, calculates transient surge peak power through the automatic operation center; intelligently analyzes and compares transient surge peak power with ESD rated transient pulse power to obtain transient pulse power comparison information;

[0028] P4, through the electrostatic monitoring intelligent control center, performs system overcurrent protection control, controls ESD electrostatic tube array overload protection and electrostatic drainage, and controls GDT ceramic gas discharge tube array circuit for electrostatic suppression.

[0029] Preferably, P1 comprises:

[0030] P101, through the ESD electrostatic tube array, provides transient multi-source electrostatic protection at the power supply end;

[0031] P102, through the GDT ceramic gas discharge tube array, provides transient high voltage protection and transient overcurrent protection.

[0032] Preferably, P2 comprises:

[0033] P201, detecting the electrostatic discharge transient current and the reverse working pulse current through the current shunt, and obtaining the electrostatic discharge transient current value and the reverse pulse peak current value;

[0034] P202, monitors the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module, and obtains the electrostatic discharge transient voltage value and the reverse pulse peak voltage value;

[0035] The electrostatic discharge transient voltage value includes: electrostatic discharge forward transient voltage value and electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: electrostatic discharge forward transient current value and electrostatic discharge reverse transient current value; the capacitor voltage divider voltage monitoring module includes: a multi-stage capacitor voltage divider unit, a voltage detection unit and a detection information ratio calculation unit;

[0036] The reverse working pulse voltage and electrostatic discharge transient voltage are monitored by a capacitor voltage divider voltage monitoring module, and the reverse working pulse voltage and the reverse pulse peak voltage value are obtained, including: the multi-stage capacitor voltage divider unit has a multi-stage voltage divider capacitor, and the electrostatic transient high voltage is gradually reduced through the multi-stage voltage divider capacitor to convert it into a low voltage to be detected within the detection range of the voltage detection unit; the voltage detection unit detects the low voltage to be detected to obtain the conversion detection low voltage value; through the detection information proportional operation unit, according to the conversion detection low voltage value, the inverse proportion of the step-by-step reduction of the multi-stage voltage divider capacitor is calculated step by step to obtain the electrostatic discharge transient voltage value; the reverse working pulse state is monitored by the capacitor voltage divider voltage monitoring module to obtain the reverse pulse peak voltage value; the voltage detection unit detects the different direction voltages generated under different electrostatic discharge states of forward electrostatic discharge and reverse electrostatic discharge through the first reverse diode and the second reverse diode that are connected in series with the diode polarity of the ESD electrostatic tube array, so as to obtain the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value.

[0037] Preferably, P3 comprises:

[0038] P301, calculates the transient surge peak power through the automatic calculation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value;

[0039] P302, intelligent analysis and comparison of transient surge peak power and ESD rated transient pulse power to obtain transient pulse power comparison information.

[0040] Preferably, P4 comprises:

[0041] P401, according to the electrostatic discharge transient current value and the reverse pulse peak current value, controls the on-off of the overcurrent protection circuit and the overcurrent protector through the electrostatic monitoring intelligent control center to perform system overcurrent protection;

[0042] P402, based on the transient pulse power comparison information, intelligently controls the transient piezoelectric induction touch module through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage; controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression;

[0043] The overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a static monitoring intelligent control center signal controller. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the static monitoring intelligent control center signal controller controls the high-speed switch tube to conduct and turns on the current shunt overcurrent protection.

[0044] The transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit is connected to the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

[0045] Compared with the prior art, the present invention has at least the following beneficial effects:

[0046] The present invention provides an overcurrent protection electrostatic suppression system and method, which utilizes a front-end transient high-voltage protection subsystem to perform transient multi-source electrostatic protection, transient high-voltage protection and transient overcurrent protection at the power supply end through an ESD electrostatic tube array and a GDT ceramic gas discharge tube array; a current detection pulse monitoring subsystem to detect electrostatic discharge transient current values ​​and monitor electrostatic discharge transient voltage values; monitor working pulse signals to obtain pulse peak current values ​​and pulse peak voltage values; an automatic calculation analysis comparison subsystem to calculate transient surge peak power through an automatic calculation center; intelligently analyze and compare transient surge peak power with ESD rated transient pulse power to obtain transient pulse power comparison information; an overcurrent protection electrostatic suppression subsystem to perform system overcurrent protection control through an electrostatic monitoring intelligent control center to control ESD electrostatic tube array overload protection and electrostatic drainage , control the GDT ceramic gas discharge tube array circuit for electrostatic suppression; can adapt to the high-speed and high-frequency system of electronic circuits, enhance the electrostatic suppression and protection of electronic circuits; prevent precision devices from experiencing instantaneous high-energy impact; change the impedance value from high impedance to low impedance at an extremely high speed to absorb a momentary large current to the ground; can simultaneously perform voltage clamping to protect circuit components; can prevent transient high-voltage spike pulse impact; can quickly absorb ESD energy to protect the system from ESD / Surge damage; can provide transient multi-source electrostatic protection and transient overcurrent protection; can detect the transient current value and voltage value of electrostatic discharge and monitor the reverse pulse peak current and reverse pulse peak voltage; can analyze the transient surge peak value and ESD rated transient pulse power comparison, perform system overcurrent protection control and ESD overload protection and electrostatic suppression effect significantly improved.

[0047] The present invention describes an overcurrent protection electrostatic suppression system and method. Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by technicians in this field through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0049] Figure 1 This is a diagram of an embodiment of an overcurrent protection electrostatic suppression system described in the present invention.

[0050] Figure 2 This is a reference embodiment diagram of an electrostatic suppression curve of an overcurrent protection electrostatic suppression method described in the present invention.

[0051] Figure 3 This is a diagram showing an electrostatic suppression curve effect embodiment of an overcurrent protection electrostatic suppression system and method according to the present invention. DETAILED DESCRIPTION

[0052] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments so that those skilled in the art can implement the invention according to the instructions. Figure 1-Figure 3 As shown, the present invention provides an overcurrent protection electrostatic suppression system, comprising:

[0053] The front-end transient high-voltage protection subsystem uses ESD electrostatic tube arrays and GDT ceramic gas discharge tube arrays to provide transient multi-source electrostatic protection, transient high-voltage protection, and transient overcurrent protection at the power supply end.

[0054] The current detection pulse monitoring subsystem detects the transient current value of electrostatic discharge and monitors the transient voltage value of electrostatic discharge; monitors the working pulse signal to obtain the pulse peak current value and pulse peak voltage value;

[0055] Automatic calculation and analysis comparison system, calculate the transient surge peak power through the automatic calculation center; intelligently analyze and compare the transient surge peak power and the ESD rated transient pulse power to obtain transient pulse power comparison information;

[0056] The overcurrent protection electrostatic suppression subsystem controls the system overcurrent protection through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage, and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression.

[0057] The principle and effect of the above technical solution are as follows: the present invention provides an overcurrent protection electrostatic suppression system, including: a front-end transient high-voltage protection subsystem, which performs transient multi-source electrostatic protection, transient high-voltage protection and transient overcurrent protection at the power supply end through the ESD electrostatic tube array and the GDT ceramic gas discharge tube array; a current detection pulse monitoring subsystem, which detects the electrostatic discharge transient current value and monitors the electrostatic discharge transient voltage value; monitors the working pulse signal to obtain the pulse peak current value and the pulse peak voltage value; an automatic calculation and analysis comparison subsystem, which calculates the transient surge peak power through the automatic calculation center; intelligently analyzes and compares the transient surge peak power with the ESD rated transient pulse power to obtain the transient pulse power comparison information; an overcurrent protection electrostatic suppression subsystem, which performs system overcurrent protection control through the electrostatic monitoring intelligent control center, and controls the ESD electrostatic tube array overload protection It can protect and guide static electricity, control the GDT ceramic gas discharge tube array circuit to suppress static electricity; it can adapt to the high-speed and high-frequency system of electronic circuits, enhance the electrostatic suppression and protection of electronic circuits; prevent precision devices from experiencing instantaneous high-energy impact; change the impedance value from high impedance to low impedance at a very high speed to absorb a momentary large current and conduct it to the ground; it can simultaneously perform voltage clamping to protect circuit components; it can prevent transient high-voltage spike pulse impact; it can quickly absorb ESD energy to protect the system from ESD / Surge damage; it can provide transient multi-source electrostatic protection and transient overcurrent protection; it can detect the transient current value and voltage value of electrostatic discharge and monitor the reverse pulse peak current and reverse pulse peak voltage; it can analyze the transient surge peak value and ESD rated transient pulse power comparison, and perform system overcurrent protection control and ESD overload protection and electrostatic suppression effects significantly improved.

[0058] In one embodiment, the front-end transient high voltage protection subsystem includes:

[0059] The ESD electrostatic crystal particle system uses the ESD electrostatic tube array to provide transient multi-source electrostatic protection at the power supply end;

[0060] The GDT ceramic gas discharge tube array subsystem provides transient high voltage protection and transient overcurrent protection through the GDT ceramic gas discharge tube array.

[0061] The principle and effect of the above technical solution are as follows: the front-end transient high-voltage protection subsystem includes: an ESD electrostatic crystal particle system, which performs transient multi-source electrostatic protection at the power supply end through an ESD electrostatic tube array; a GDT ceramic gas discharge tube array subsystem, which performs transient high-voltage protection and transient overcurrent protection through a GDT ceramic gas discharge tube array; the ESD electrostatic tube array includes: a first TVS crystal particle group, a second TVS crystal particle group and a ceramic gas discharge tube group; the positive and negative arrays of the first TVS crystal particle group and the second TVS crystal particle group are integrated and packaged oppositely, and the positive array of the first TVS crystal particle group is electrically connected to the second TVS The positive electrode array of the grain group; the transient multi-source electrostatic protection includes: the positive electrode array of the first TVS grain group, when the first power input terminal triggers the first transient electrostatic, the positive electrode array of the first TVS grain group and the negative electrode array of the first TVS grain group corresponding to the second transient electrostatic voltage peak are triggered to perform the first transient electrostatic protection of the first power input terminal; when the second power input terminal triggers the second transient electrostatic, the positive electrode array of the second TVS grain group and the negative electrode array of the second TVS grain group corresponding to the second transient electrostatic voltage peak are triggered to perform the second transient electrostatic protection of the second power input terminal;

[0062] The negative electrode array of the first TVS crystal grain group is electrically connected to the electrode array at one end of the GDT ceramic gas discharge tube array in one-to-one correspondence through a package conductor, and the negative electrode array of the second TVS crystal grain group is electrically connected to the electrode array at the other end of the GDT ceramic gas discharge tube array in one-to-one correspondence through a package conductor;

[0063] The GDT ceramic gas discharge tube array includes: a ceramic gas discharge tube patch group, a glow leakage absorption layer, an arc light dispersion layer, and a reflective medium layer; the outer layer of the ceramic gas discharge tube patch group is coated with a glow leakage absorption layer; the outer layer of the glow leakage absorption layer is coated with an arc light dispersion layer; the outer layer of the arc light dispersion layer is encapsulated with a reflective medium layer; a voltage-resistant insulating medium is arranged between the glow leakage absorption layer, the arc light dispersion layer, the reflective medium layer and the electrode array; when glow leakage occurs in the ceramic gas discharge tube patch group, the glow transmission absorption layer absorbs the leaked glow; when arc leakage occurs in the ceramic gas discharge tube patch group, the arc light dispersion layer disperses the leaked arc light and reflects it to the glow leakage absorption layer through the reflective medium layer for further absorption.

[0064] In one embodiment, the current detection pulse monitoring subsystem includes:

[0065] The transient reverse shunt current detection subsystem detects the electrostatic discharge transient current and the reverse working pulse current through the current shunt to obtain the electrostatic discharge transient current value and the reverse pulse peak current value;

[0066] The capacitor voltage division voltage monitoring subsystem monitors the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module, and obtains the electrostatic discharge transient voltage value and the reverse pulse peak voltage value;

[0067] The electrostatic discharge transient voltage value includes: an electrostatic discharge forward transient voltage value and an electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: an electrostatic discharge forward transient current value and an electrostatic discharge reverse transient current value.

[0068] The principle and effect of the above technical solution are as follows: the current detection pulse monitoring subsystem includes: a transient reverse shunt current detection subsystem, which detects electrostatic discharge transient current and reverse working pulse current through a current shunt, and obtains electrostatic discharge transient current value and reverse pulse peak current value; a capacitor voltage division voltage monitoring subsystem, which monitors electrostatic discharge transient voltage and reverse working pulse voltage through a capacitor voltage division voltage monitoring module, and obtains electrostatic discharge transient voltage value and reverse pulse peak voltage value; electrostatic discharge transient voltage value includes: electrostatic discharge forward transient voltage value and electrostatic discharge reverse transient voltage value; electrostatic discharge transient current value includes: electrostatic discharge forward transient voltage value and electrostatic discharge reverse transient voltage value; electrostatic discharge transient current value includes: The invention discloses a method for detecting the forward transient current value of electrostatic discharge and the reverse transient current value of electrostatic discharge; the capacitor voltage divider voltage monitoring module includes: a multi-stage capacitor voltage divider unit, a voltage detection unit and a detection information ratio operation unit; the capacitor voltage divider voltage monitoring module is used to monitor the reverse working pulse voltage and the electrostatic discharge transient voltage, and obtain the reverse working pulse voltage and the reverse pulse peak voltage value, including: the multi-stage capacitor voltage divider unit has a multi-stage voltage divider capacitor, which reduces the electrostatic transient high voltage step by step through the multi-stage voltage divider capacitor, and converts it into a low voltage to be detected within the detection range of the voltage detection unit; the voltage detection unit detects the low voltage to be detected and obtains the converted detection low voltage. value; through the detection information ratio operation unit, according to the conversion detection low voltage value, the multi-stage voltage-dividing capacitor step-by-step step-by-step operation is carried out to obtain the electrostatic discharge transient voltage value; the capacitor voltage-dividing voltage monitoring module is used to monitor the reverse working pulse state operation to obtain the reverse pulse peak voltage value; the voltage detection unit detects the different direction voltages generated under different electrostatic discharge states of electrostatic discharge forward and electrostatic discharge reverse through the first reverse diode and the second reverse diode connected in series with the diode polarity of the ESD electrostatic tube array, and obtains the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value; the multi-stage capacitor voltage-dividing capacitor is used to monitor the reverse working pulse state operation to obtain the reverse pulse peak voltage value; the voltage detection unit detects the different direction voltages generated under different electrostatic discharge states of electrostatic discharge forward and electrostatic discharge reverse through the first reverse diode and the second reverse diode connected in series with the diode polarity of the ESD electrostatic tube array, and obtains the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value; The voltage divider unit includes: a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; the first capacitor and the second capacitor absorb voltage impacts in different directions respectively; the third capacitor and the fourth capacitor of the multi-stage capacitor voltage divider unit are set with equipotential connection points to connect one end electrode of the second capacitor, and the other end electrode is connected to one end of the energy dissipation resistor; part of the electrostatic pulse energy is absorbed by the pulse energy absorption unit; the pulse energy absorption unit includes: a first energy absorption resistor and a second energy absorption resistor connected in series; the pulse energy absorption unit and the voltage detection unit are connected in parallel and then connected in series with the multi-stage capacitor voltage divider unit, and the first energy absorption resistor and the second energy absorption resistor are used as energy dissipation resistors.

[0069] In one embodiment, the automatic calculation analysis comparison score system includes:

[0070] The data operation and processing subsystem calculates the transient surge peak power through the automatic operation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value;

[0071] The peak power comparison subsystem intelligently analyzes and compares the transient surge peak power with the ESD rated transient pulse power to obtain transient pulse power comparison information.

[0072] The principle and effect of the above technical solution are as follows: the automatic calculation analysis comparison subsystem includes: a data calculation processing subsystem, which calculates the transient surge peak power through the automatic calculation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value; a peak power comparison subsystem, which intelligently analyzes and compares the transient surge peak power with the ESD rated transient pulse power to obtain transient pulse power comparison information;

[0073] Intelligently analyzing and comparing the transient surge peak power with the rated transient pulse power of the ESD to obtain the transient pulse power comparison information includes: using a resistor divider to detect the reverse pulse peak voltage; using a surge current clamp high-frequency oscilloscope to perform multiple sampling to obtain the reverse pulse peak current value, and multiplying the transient surge peak voltage with the transient surge peak current to obtain the transient surge peak power; intelligently analyzing and comparing the transient surge peak power with the rated transient pulse power of the ESD through an automatic calculation center; setting a transient voltage suppression module at the input end of the MOS switch module to protect against transient voltage shocks; using the first voltage comparator module to control the switch of the first MOS switch module, and setting the reference voltage of the first voltage comparator module; using the second voltage comparator module to control the switch of the second MOS switch module, and setting the reference voltage of the second voltage comparator module; the first MOS switch module and the second MOS switch module respectively control the first surge current clamp switch and the first surge current clamp switch; obtaining the transient pulse power comparison information.

[0074] In one embodiment, the overcurrent protection electrostatic suppression subsystem includes:

[0075] The overcurrent electrostatic monitoring control subsystem controls the on / off of the overcurrent protection circuit and the overcurrent protector through the electrostatic monitoring intelligent control center according to the electrostatic discharge transient current value and the reverse pulse peak current value, so as to perform system overcurrent protection;

[0076] The transient pulse intelligent control subsystem intelligently controls the transient piezoelectric induction touch module based on the transient pulse power comparison information through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage; and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression;

[0077] The overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a static monitoring intelligent control center signal controller. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the static monitoring intelligent control center signal controller controls the high-speed switch tube to conduct and turns on the current shunt overcurrent protection.

[0078] The transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit is connected to the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

[0079] The principle and effect of the above technical solution are as follows: the overcurrent protection electrostatic suppression subsystem includes: the overcurrent electrostatic monitoring and control subsystem, which controls the on and off of the overcurrent protection circuit and controls the overcurrent protector through the electrostatic monitoring intelligent control center according to the transient current value of electrostatic discharge and the reverse pulse peak current value, so as to perform system overcurrent protection; the transient pulse intelligent control subsystem, according to the transient pulse power comparison information, through the electrostatic monitoring intelligent control center, intelligently controls the transient piezoelectric induction touch module, controls the ESD electrostatic tube array overload protection and electrostatic drainage; controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression; the overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a signal controller of the electrostatic monitoring intelligent control center, and the current transformer detects the circuit current , set the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the signal controller of the electrostatic monitoring intelligent control center controls the high-speed switch tube to turn on and turn on the current shunt overcurrent protection; the transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit connects the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

[0080] The present invention provides an overcurrent protection static electricity suppression method, comprising:

[0081] P1, through the ESD electrostatic tube array and GDT ceramic gas discharge tube array, the power supply end is provided with transient multi-source electrostatic protection, transient high voltage protection and transient overcurrent protection;

[0082] P2, detects the electrostatic discharge transient current value and monitors the electrostatic discharge transient voltage value; monitors the working pulse signal to obtain the pulse peak current value and the pulse peak voltage value;

[0083] P3, calculates transient surge peak power through the automatic operation center; intelligently analyzes and compares transient surge peak power with ESD rated transient pulse power to obtain transient pulse power comparison information;

[0084] P4, through the electrostatic monitoring intelligent control center, performs system overcurrent protection control, controls ESD electrostatic tube array overload protection and electrostatic drainage, and controls GDT ceramic gas discharge tube array circuit for electrostatic suppression.

[0085] The principle and effect of the above technical solution are as follows: the present invention provides an overcurrent protection electrostatic suppression method, comprising: performing transient multi-source electrostatic protection, transient high voltage protection and transient overcurrent protection at the power supply end through the ESD electrostatic tube array and the GDT ceramic gas discharge tube array; detecting the electrostatic discharge transient current value and monitoring the electrostatic discharge transient voltage value; monitoring the working pulse signal to obtain the pulse peak current value and the pulse peak voltage value; calculating the transient surge peak power through the automatic operation center; intelligently analyzing and comparing the transient surge peak power with the ESD rated transient pulse power to obtain the transient pulse power comparison information; performing system overcurrent protection control through the electrostatic monitoring intelligent control center, controlling the ESD electrostatic tube array overload protection and electrostatic drainage, and controlling the GDT ceramic gas discharge tube array circuit for electrostatic Suppression; can adapt to high-speed and high-frequency systems of electronic circuits, enhance electrostatic suppression and protection of electronic circuits; prevent precision devices from experiencing instantaneous high-energy impacts; change the impedance value from high impedance to low impedance at an extremely high speed to absorb a momentary large current to the ground; can simultaneously perform voltage clamping to protect circuit components; can prevent transient high-voltage spike pulse impacts; can quickly absorb ESD energy to protect the system from ESD / Surge damage; can provide transient multi-source electrostatic protection and transient overcurrent protection; can detect electrostatic discharge transient current and voltage values ​​and monitor reverse pulse peak current and reverse pulse peak voltage; can analyze the transient surge peak and ESD rated transient pulse power comparison, perform system overcurrent protection control and significantly improve ESD overload protection and electrostatic suppression effects.

[0086] In one embodiment, P1 includes:

[0087] P101, through the ESD electrostatic tube array, provides transient multi-source electrostatic protection at the power supply end;

[0088] P102, through the GDT ceramic gas discharge tube array, provides transient high voltage protection and transient overcurrent protection.

[0089] The principle and effect of the above technical solution are: through the ESD electrostatic tube array, transient multi-source electrostatic protection is performed on the power supply end; through the GDT ceramic gas discharge tube array, transient high voltage protection and transient overcurrent protection are performed; the ESD electrostatic tube array includes: a first TVS crystal group, a second TVS crystal group and a ceramic gas discharge tube group; the positive and negative arrays of the first TVS crystal group and the second TVS crystal group are oppositely integrated and packaged, and the positive array of the first TVS crystal group is electrically connected to the positive array of the second TVS crystal group; transient multi-source electrostatic protection includes: The positive electrode array of the first TVS grain group, when the first power input terminal triggers the first transient static electricity, the positive electrode array of the first TVS grain group and the negative electrode array of the first TVS grain group corresponding to the first TVS grain of the second transient static voltage peak are triggered to perform the first transient static electricity protection of the first power input terminal; when the second power input terminal triggers the second transient static electricity, the positive electrode array of the second TVS grain group and the negative electrode array of the second TVS grain group corresponding to the second transient static voltage peak are triggered to perform the second transient static electricity protection of the second power input terminal;

[0090] The negative electrode array of the first TVS crystal grain group is electrically connected to the electrode array at one end of the GDT ceramic gas discharge tube array in one-to-one correspondence through a package conductor, and the negative electrode array of the second TVS crystal grain group is electrically connected to the electrode array at the other end of the GDT ceramic gas discharge tube array in one-to-one correspondence through a package conductor;

[0091] The GDT ceramic gas discharge tube array includes: a ceramic gas discharge tube patch group, a glow leakage absorption layer, an arc light dispersion layer, and a reflective medium layer; the outer layer of the ceramic gas discharge tube patch group is coated with a glow leakage absorption layer; the outer layer of the glow leakage absorption layer is coated with an arc light dispersion layer; the outer layer of the arc light dispersion layer is encapsulated with a reflective medium layer; a voltage-resistant insulating medium is arranged between the glow leakage absorption layer, the arc light dispersion layer, the reflective medium layer and the electrode array; when glow leakage occurs in the ceramic gas discharge tube patch group, the glow transmission absorption layer absorbs the leaked glow; when arc leakage occurs in the ceramic gas discharge tube patch group, the arc light dispersion layer disperses the leaked arc light and reflects it to the glow leakage absorption layer through the reflective medium layer for further absorption.

[0092] In one embodiment, P2 includes:

[0093] P201, detecting the electrostatic discharge transient current and the reverse working pulse current through the current shunt, and obtaining the electrostatic discharge transient current value and the reverse pulse peak current value;

[0094] P202, monitors the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module, and obtains the electrostatic discharge transient voltage value and the reverse pulse peak voltage value;

[0095] The electrostatic discharge transient voltage value includes: an electrostatic discharge forward transient voltage value and an electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: an electrostatic discharge forward transient current value and an electrostatic discharge reverse transient current value.

[0096] The principle and effect of the above technical solution are: detecting the electrostatic discharge transient current and the reverse working pulse current through the current shunt to obtain the electrostatic discharge transient current value and the reverse pulse peak current value; monitoring the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module to obtain the electrostatic discharge transient voltage value and the reverse pulse peak voltage value; the electrostatic discharge transient voltage value includes: the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: the electrostatic discharge forward transient current value and the electrostatic discharge reverse transient current value; the capacitor voltage division voltage monitoring module The voltage monitoring module includes: a multi-stage capacitor voltage divider unit, a voltage detection unit and a detection information ratio operation unit; through the capacitor voltage divider voltage monitoring module, the reverse working pulse voltage and the electrostatic discharge transient voltage are monitored, and the reverse working pulse voltage and the reverse pulse peak voltage value are obtained, including: the multi-stage capacitor voltage divider unit has a multi-stage voltage divider capacitor, and the electrostatic transient high voltage is gradually reduced through the multi-stage voltage divider capacitor to convert it into a low voltage to be detected within the detection range of the voltage detection unit; the voltage detection unit detects the low voltage to be detected and obtains the conversion detection low voltage value; through the detection information ratio operation unit, according to the conversion detection The low voltage value is measured and calculated step by step in inverse proportion to the step-by-step voltage reduction of the multi-stage voltage divider capacitor to obtain the electrostatic discharge transient voltage value; the reverse working pulse state is monitored by the capacitor voltage divider voltage monitoring module to obtain the reverse pulse peak voltage value; the voltage detection unit detects the different direction voltages generated under different electrostatic discharge states of forward and reverse electrostatic discharge through the first reverse diode and the second reverse diode connected in series with the diode polarity of the ESD electrostatic tube array, and obtains the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value; the multi-stage capacitor voltage divider unit includes: a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; the first capacitor and the second capacitor absorb voltage impacts in different directions respectively; the third capacitor and the fourth capacitor of the multi-stage capacitor voltage divider unit are set with equipotential connection points connected to one end electrode of the second capacitor, and the other end electrode is connected to one end of the energy dissipation resistor; part of the electrostatic pulse energy is absorbed by the pulse energy absorption unit; the pulse energy absorption unit includes: a first energy absorption resistor and a second energy absorption resistor connected in series; the pulse energy absorption unit and the voltage detection unit are connected in parallel and then connected in series with the multi-stage capacitor voltage divider unit, and the first energy absorption resistor and the second energy absorption resistor are used as energy dissipation resistors.

[0097] In one embodiment, P3 includes:

[0098] P301, calculates the transient surge peak power through the automatic calculation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value;

[0099] P302, intelligent analysis and comparison of transient surge peak power and ESD rated transient pulse power to obtain transient pulse power comparison information.

[0100] The principle and effect of the above technical solution are: according to the reverse pulse peak current value and the reverse pulse peak voltage value, the transient surge peak power is calculated by the automatic calculation center; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is intelligently analyzed and compared with the ESD rated transient pulse power to obtain transient pulse power comparison information;

[0101] Intelligently analyzing and comparing the transient surge peak power with the rated transient pulse power of the ESD to obtain the transient pulse power comparison information includes: using a resistor divider to detect the reverse pulse peak voltage; using a surge current clamp high-frequency oscilloscope to perform multiple sampling to obtain the reverse pulse peak current value, and multiplying the transient surge peak voltage with the transient surge peak current to obtain the transient surge peak power; intelligently analyzing and comparing the transient surge peak power with the rated transient pulse power of the ESD through an automatic calculation center; setting a transient voltage suppression module at the input end of the MOS switch module to protect against transient voltage shocks; using the first voltage comparator module to control the switch of the first MOS switch module, and setting the reference voltage of the first voltage comparator module; using the second voltage comparator module to control the switch of the second MOS switch module, and setting the reference voltage of the second voltage comparator module; the first MOS switch module and the second MOS switch module respectively control the first surge current clamp switch and the first surge current clamp switch; obtaining the transient pulse power comparison information.

[0102] In one embodiment, P4 includes:

[0103] P401, according to the electrostatic discharge transient current value and the reverse pulse peak current value, controls the on-off of the overcurrent protection circuit and the overcurrent protector through the electrostatic monitoring intelligent control center to perform system overcurrent protection;

[0104] P402, based on the transient pulse power comparison information, intelligently controls the transient piezoelectric induction touch module through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage; controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression;

[0105] The overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a static monitoring intelligent control center signal controller. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the static monitoring intelligent control center signal controller controls the high-speed switch tube to conduct and turns on the current shunt overcurrent protection.

[0106] The transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit is connected to the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

[0107] The principle and effect of the above technical solution are as follows: according to the transient current value of electrostatic discharge and the peak current value of the reverse pulse, the electrostatic monitoring intelligent control center is used to control the on and off of the overcurrent protection circuit and the overcurrent protector to perform system overcurrent protection; according to the transient pulse power comparison information, the electrostatic monitoring intelligent control center is used to intelligently control the transient piezoelectric induction touch module to control the ESD electrostatic tube array overload protection and electrostatic drainage; the GDT ceramic gas discharge tube array circuit is controlled to perform electrostatic suppression; the overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a signal controller of the electrostatic monitoring intelligent control center. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent When the current protection limit value is reached, the signal controller of the electrostatic monitoring intelligent control center controls the high-speed switch tube to turn on and connects the current shunt overcurrent protection; the transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit connects the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

[0108] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An overcurrent protection electrostatic suppression system, characterized in that: include: The front-end transient high-voltage protection subsystem uses ESD electrostatic tube arrays and GDT ceramic gas discharge tube arrays to provide transient multi-source electrostatic protection, transient high-voltage protection, and transient overcurrent protection at the power supply end. Current detection pulse monitoring subsystem, detects the electrostatic discharge transient current value and monitors the electrostatic discharge transient voltage value; Monitor the working pulse signal and obtain the pulse peak current value and pulse peak voltage value; Automatic calculation and analysis comparison system, calculate the transient surge peak power through the automatic calculation center; intelligently analyze and compare the transient surge peak power and the ESD rated transient pulse power to obtain transient pulse power comparison information; The overcurrent protection electrostatic suppression subsystem controls the system overcurrent protection through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage, and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression; The electrostatic discharge transient voltage value includes: an electrostatic discharge forward transient voltage value and an electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: an electrostatic discharge forward transient current value and an electrostatic discharge reverse transient current value.

2. The overcurrent protection electrostatic suppression system according to claim 1, characterized in that: The front-end transient high voltage protection subsystem includes: The ESD electrostatic crystal particle system uses the ESD electrostatic tube array to provide transient multi-source electrostatic protection at the power supply end; The GDT ceramic gas discharge tube array subsystem provides transient high voltage protection and transient overcurrent protection through the GDT ceramic gas discharge tube array.

3. The overcurrent protection electrostatic suppression system according to claim 1, characterized in that: The current detection pulse monitoring subsystem includes: The transient reverse shunt current detection subsystem detects the electrostatic discharge transient current and the reverse working pulse current through the current shunt to obtain the electrostatic discharge transient current value and the reverse pulse peak current value; The capacitor voltage division voltage monitoring subsystem monitors the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module, and obtains the electrostatic discharge transient voltage value and the reverse pulse peak voltage value; The capacitor voltage divider voltage monitoring module includes: a multi-stage capacitor voltage divider unit, a voltage detection unit and a detection information proportional operation unit; through the capacitor voltage divider voltage monitoring module, the reverse working pulse voltage and the electrostatic discharge transient voltage are monitored, and the reverse working pulse voltage and the reverse pulse peak voltage value are obtained, including: the multi-stage capacitor voltage divider unit has a multi-stage voltage divider capacitor, and the electrostatic transient high voltage is gradually reduced through the multi-stage voltage divider capacitor to convert it into a low voltage to be detected within the detection range of the voltage detection unit; the voltage detection unit detects the low voltage to be detected to obtain the conversion detection low voltage value; through the detection information proportional operation unit, according to the conversion detection low voltage value, the inverse proportion of the step-by-step reduction of the multi-stage voltage divider capacitor is calculated step by step to obtain the electrostatic discharge transient voltage value; the capacitor voltage divider voltage monitoring module is used to monitor the reverse working pulse state calculation to obtain the reverse pulse peak voltage value; the voltage detection unit is connected to the ESD electrostatic tube array through the diode polarity reversal A first reverse diode and a second reverse diode are connected in series to detect voltages in different directions generated under different electrostatic discharge states in the forward direction and the reverse direction of electrostatic discharge, and obtain the forward transient voltage value of electrostatic discharge and the reverse transient voltage value of electrostatic discharge; the multi-stage capacitor voltage divider unit includes: a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; the first capacitor and the second capacitor absorb voltage impacts in different directions respectively; the third capacitor and the fourth capacitor of the multi-stage capacitor voltage divider unit are set with an equipotential connection point to connect one end electrode of the second capacitor, and the other end electrode is connected to one end of the energy dissipation resistor; part of the electrostatic pulse energy is absorbed by the pulse energy absorption unit; the pulse energy absorption unit includes: a first energy absorption resistor and a second energy absorption resistor connected in series; the pulse energy absorption unit and the voltage detection unit are connected in parallel and then connected in series with the multi-stage capacitor voltage divider unit, and the first energy absorption resistor and the second energy absorption resistor are used as energy dissipation resistors.

4. The overcurrent protection electrostatic suppression system according to claim 1, characterized in that: The automatic calculation and analysis comparison score system includes: The data operation and processing subsystem calculates the transient surge peak power through the automatic operation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value; The peak power comparison subsystem intelligently analyzes and compares the transient surge peak power with the ESD rated transient pulse power to obtain transient pulse power comparison information.

5. The overcurrent protection electrostatic suppression system according to claim 1, characterized in that: The overcurrent protection electrostatic suppression subsystem includes: The overcurrent electrostatic monitoring control subsystem controls the on / off of the overcurrent protection circuit and the overcurrent protector through the electrostatic monitoring intelligent control center according to the electrostatic discharge transient current value and the reverse pulse peak current value, so as to perform system overcurrent protection; The transient pulse intelligent control subsystem intelligently controls the transient piezoelectric induction touch module based on the transient pulse power comparison information through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage; and controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression; The overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a static monitoring intelligent control center signal controller. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the static monitoring intelligent control center signal controller controls the high-speed switch tube to conduct and turns on the current shunt overcurrent protection. The transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit is connected to the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

6. An overcurrent protection electrostatic suppression method, characterized in that: include: P1, through the ESD electrostatic tube array and GDT ceramic gas discharge tube array, the power supply end is provided with transient multi-source electrostatic protection, transient high voltage protection and transient overcurrent protection; P2, detects the electrostatic discharge transient current value and monitors the electrostatic discharge transient voltage value; Monitor the working pulse signal and obtain the pulse peak current value and pulse peak voltage value; P3, calculates transient surge peak power through the automatic operation center; intelligently analyzes and compares transient surge peak power with ESD rated transient pulse power to obtain transient pulse power comparison information; P4, through the electrostatic monitoring intelligent control center, performs system overcurrent protection control, controls ESD electrostatic tube array overload protection and electrostatic drainage, and controls GDT ceramic gas discharge tube array circuit for electrostatic suppression; The electrostatic discharge transient voltage value includes: an electrostatic discharge forward transient voltage value and an electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: an electrostatic discharge forward transient current value and an electrostatic discharge reverse transient current value.

7. The overcurrent protection electrostatic suppression method according to claim 6, characterized in that: P1 includes: P101, through the ESD electrostatic tube array, provides transient multi-source electrostatic protection at the power supply end; P102, through the GDT ceramic gas discharge tube array, provides transient high voltage protection and transient overcurrent protection.

8. The overcurrent protection electrostatic suppression method according to claim 6, characterized in that: P2 includes: P201, detecting the electrostatic discharge transient current and the reverse working pulse current through the current shunt, and obtaining the electrostatic discharge transient current value and the reverse pulse peak current value; P202, monitors the electrostatic discharge transient voltage and the reverse working pulse voltage through the capacitor voltage division voltage monitoring module, and obtains the electrostatic discharge transient voltage value and the reverse pulse peak voltage value; The electrostatic discharge transient voltage value includes: the electrostatic discharge forward transient voltage value and the electrostatic discharge reverse transient voltage value; the electrostatic discharge transient current value includes: the electrostatic discharge forward transient current value and the electrostatic discharge reverse transient current value; The capacitor voltage divider voltage monitoring module includes: a multi-stage capacitor voltage divider unit, a voltage detection unit and a detection information proportional operation unit; through the capacitor voltage divider voltage monitoring module, the reverse working pulse voltage and the electrostatic discharge transient voltage are monitored, and the reverse working pulse voltage and the reverse pulse peak voltage value are obtained, including: the multi-stage capacitor voltage divider unit has a multi-stage voltage divider capacitor, and the electrostatic transient high voltage is gradually reduced through the multi-stage voltage divider capacitor to convert it into a low voltage to be detected within the detection range of the voltage detection unit; the voltage detection unit detects the low voltage to be detected to obtain the conversion detection low voltage value; through the detection information proportional operation unit, according to the conversion detection low voltage value, the inverse proportion of the step-by-step reduction of the multi-stage voltage divider capacitor is calculated step by step to obtain the electrostatic discharge transient voltage value; the capacitor voltage divider voltage monitoring module is used to monitor the reverse working pulse state calculation to obtain the reverse pulse peak voltage value; the voltage detection unit is connected to the ESD electrostatic tube array through the diode polarity reversal A first reverse diode and a second reverse diode are connected in series to detect voltages in different directions generated under different electrostatic discharge states in the forward direction and the reverse direction of electrostatic discharge, and obtain the forward transient voltage value of electrostatic discharge and the reverse transient voltage value of electrostatic discharge; the multi-stage capacitor voltage divider unit includes: a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; the first capacitor and the second capacitor absorb voltage impacts in different directions respectively; the third capacitor and the fourth capacitor of the multi-stage capacitor voltage divider unit are set with an equipotential connection point to connect one end electrode of the second capacitor, and the other end electrode is connected to one end of the energy dissipation resistor; part of the electrostatic pulse energy is absorbed by the pulse energy absorption unit; the pulse energy absorption unit includes: a first energy absorption resistor and a second energy absorption resistor connected in series; the pulse energy absorption unit and the voltage detection unit are connected in parallel and then connected in series with the multi-stage capacitor voltage divider unit, and the first energy absorption resistor and the second energy absorption resistor are used as energy dissipation resistors.

9. The overcurrent protection electrostatic suppression method according to claim 6, characterized in that: P3 includes: P301, calculates the transient surge peak power through the automatic calculation center according to the reverse pulse peak current value and the reverse pulse peak voltage value; the transient surge peak power is the product of the reverse pulse peak current value and the reverse pulse peak voltage value; P302, intelligent analysis and comparison of transient surge peak power and ESD rated transient pulse power to obtain transient pulse power comparison information.

10. The overcurrent protection electrostatic suppression method according to claim 6, characterized in that: P4 includes: P401, according to the electrostatic discharge transient current value and the reverse pulse peak current value, controls the on-off of the overcurrent protection circuit and the overcurrent protector through the electrostatic monitoring intelligent control center to perform system overcurrent protection; P402, based on the transient pulse power comparison information, intelligently controls the transient piezoelectric induction touch module through the electrostatic monitoring intelligent control center, controls the ESD electrostatic tube array overload protection and electrostatic drainage; controls the GDT ceramic gas discharge tube array circuit for electrostatic suppression; The overcurrent protection circuit includes: a current shunt, a current transformer, a high-speed switch tube and a static monitoring intelligent control center signal controller. The current transformer detects the circuit current and sets the overcurrent protection current limit value. When the circuit current is greater than the overcurrent protection current limit value, the static monitoring intelligent control center signal controller controls the high-speed switch tube to conduct and turns on the current shunt overcurrent protection. The transient piezoelectric induction touch module includes: a piezoelectric strain unit, an overload protection unit and an electrode connection unit; the electrode connection unit is connected to the ESD electrostatic tube array electrode and one end of the overload protection unit, the other end of the overload protection unit is connected to one end of the piezoelectric strain unit, and the other end of the piezoelectric strain unit is grounded; when the transient pulse power comparison information is abnormal, the transient surge peak power exceeds the ESD rated transient pulse power, and the ESD electrostatic tube array electrode end voltage exceeds the ESD withstand voltage peak, the piezoelectric strain unit is turned on and connected to the overload protection unit to control the ESD electrostatic tube array overload protection and electrostatic drainage.

Citation Information

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