CN-121978441-A - Flexible carbon nanotube cold cathode static electricity safety monitoring system and device

CN121978441ACN 121978441 ACN121978441 ACN 121978441ACN-121978441-A

Abstract

The invention relates to the technical field of static protection and monitoring technology and carbon nanotube material application, and discloses a flexible carbon nanotube cold cathode static safety monitoring system and device, wherein a central processing unit, a multidimensional data acquisition module, a data analysis module, a judgment module, an early warning module, a parameter adjustment module, a fault diagnosis module, a data storage module and a communication module are established, and the central processing unit ensures high-efficiency cooperation of the modules; the system comprises a multidimensional data acquisition module, a data analysis module, a parameter adjustment module, a fault diagnosis module, a data storage module, a communication module and a communication module, wherein the multidimensional data acquisition module provides raw data, the data analysis module achieves quantitative analysis of key indexes, the judgment module accurately identifies problems existing in the system, the early warning module timely sends out warning information, the parameter adjustment module optimizes the running state of the system, the fault diagnosis module rapidly positions a fault source, the data storage module provides data support for subsequent analysis, and the communication module ensures bidirectional smooth transmission of data, so that the system achieves the beneficial effects of real-time, accurate and efficient monitoring and management of cold cathode static safety of flexible carbon nanotubes.

Inventors

JU BIAO
LI WENKANG
ZHU KEXUE

Assignees

中科盈德极石(杭州)科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260205

Claims (10)

1. The flexible carbon nanotube cold cathode electrostatic safety monitoring system is characterized by comprising a central processing unit, a multidimensional data acquisition module, a data analysis module, a judgment module, an early warning module, a parameter adjustment module, a fault diagnosis module, a data storage module and a communication module; the multidimensional data acquisition module is responsible for comprehensively acquiring voltage data, current density data and environmental parameter data in real time; The data analysis module outputs a working stability risk index according to the acquired data Rate of decay of cathode life Index of failure with environmental adaptation ; The judging module judges the risk index according to the working stability Rate of decay of cathode life Index of failure with environmental adaptation Judging whether the system has the problems of working stability, service life shortening and poor environmental adaptability, and generating corresponding judging results aiming at different problems; the early warning module sends out corresponding early warning signals according to the result of the judging module when the system has the conditions of abnormal working stability, shortened service life and poor environmental adaptability, and the early warning modes comprise acousto-optic early warning and information pushing; The parameter adjusting module receives the result of the judging module, and adjusts the working voltage parameter of the cold cathode when judging that the working stability problem exists; The fault diagnosis module is used for diagnosing fault points which can cause problems of working stability, service life and environmental adaptability in the system by combining the original data of the multidimensional data acquisition module and the result of the data analysis module; the data storage module is used for storing all the original data acquired by the multidimensional data acquisition module, the calculation result of the data analysis module, the judgment result of the judgment module and the operation log information of the system; The communication module is responsible for transmitting operation data, early warning information and judgment results in the system to the central processing unit and receiving control instructions from the outside; The central processing unit coordinates and controls the multidimensional data acquisition module, the data analysis module, the judgment module, the early warning module, the parameter adjustment module, the fault diagnosis module, the data storage module and the communication module.
2. The flexible carbon nanotube cold cathode electrostatic safety monitoring system of claim 1, wherein the multidimensional data acquisition module comprises a cathode voltage/current fluctuation monitoring unit, a cathode current density monitoring unit and an environmental parameter monitoring unit, and the data analysis module comprises a working stability analysis unit, a cathode life prediction unit and an environmental adaptability analysis unit.
3. The flexible carbon nanotube cold cathode electrostatic safety monitoring system of claim 2, wherein the cathode voltage/current fluctuation monitoring unit monitors fluctuation of the operating voltage, frequency and cathode emission current applied to the carbon nanotube cold cathode in real time, and captures sparking signals or abnormal current peaks.
4. The flexible carbon nanotube cold cathode electrostatic safety monitoring system of claim 2, wherein the cathode current density monitoring unit monitors current densities of different areas of the cathode surface in real time by using high resolution imaging or point scanning technology, and identifies preferential emission points and distribution uniformity thereof.
5. The flexible carbon nanotube cold cathode electrostatic safety monitoring system of claim 2, wherein the environmental parameter monitoring unit monitors vacuum, temperature, humidity and other environmental parameters of the working environment of the system in real time, and accurately measures leakage current of cathode-anode or specific point positions.
6. The system for monitoring cold cathode electrostatic safety of flexible carbon nanotube as set forth in claim 2, wherein the operation stability analysis unit calculates an operation stability risk index The calculation formula is as follows: in the formula (i), Represents a risk index of working stability, Representing a sequence of sampled voltages in real time, Representing the average voltage over the period of time, Representing the number of voltage samples, Represents the standard deviation of the fluctuation of the operating voltage, Representing the number of firing events in a cycle, Representing real-time transmit current sequence, and voltage The synchronized current timing data is sampled and, Representing the number of current sampling points, Representing the average emission current over the period of time, Representing the standard deviation of the emission current fluctuation, 、、 The weight coefficients representing voltage fluctuations, sparking events and current fluctuations, respectively.
7. The system for monitoring cold cathode electrostatic safety of flexible carbon nanotubes as claimed in claim 2, wherein the cathode life prediction unit calculates a cathode life decay rate The calculation formula is as follows: in the formula (i), Indicating the rate of decay of the lifetime of the cathode, Representing the basic attenuation coefficient of the light source, Indicating the overall average emission current density of the cold cathode during the monitoring period, Indicating the local maximum emission current density during the monitoring period, Indicating the desired uniform emission current density of the design, Indicating the acceleration decay index.
8. The system for monitoring cold cathode electrostatic safety of flexible carbon nanotube as set forth in claim 1, wherein the environmental suitability analysis unit calculates an environmental suitability failure index The calculation formula is as follows: in the formula (i), Representing an environmental adaptive failure index (i.e. an index) of the environment, Represents the vacuum degree sensitivity coefficient, represents the actual vacuum degree, Is a standard vacuum degree, and the vacuum degree is equal to the standard vacuum degree, Indicating the temperature-sensitive coefficient of the temperature, In order to be able to achieve the actual temperature, Is at the standard temperature of the water-based paint, The electric leakage rate amplification factor is represented by, Is the leakage rate variation.
9. The system for monitoring cold cathode electrostatic safety of flexible carbon nanotubes as claimed in claim 1, wherein the judging module is configured to analyze the working stability risk index obtained by the data analyzing module Rate of decay of cathode life Index of failure with environmental adaptation Respectively comparing with preset threshold values, and when working stability risk index Judging that there is a problem of working stability when the cathode life decay rate is lower than the set threshold Judging that the service life is shortened when the set threshold value is exceeded, and judging that the service life is shortened when the environmental adaptability failure index is exceeded When the environment adaptability is out of the reasonable range, the problem of poor environment adaptability is judged, and corresponding judging results are generated aiming at different problems.
10. The device is characterized by comprising a multidimensional data acquisition module, a data analysis module, a judgment module, an early warning module, a parameter adjustment module, a fault diagnosis module, a data storage module and a communication module, wherein the multidimensional data acquisition module, the data analysis module, the judgment module, the early warning module, the parameter adjustment module, the fault diagnosis module, the data storage module and the communication module are connected through an internal bus or a wireless network to perform data acquisition, analysis and processing, and a central processor sequentially performs operations on the modules in the claims 1-9 to realize automatic and intelligent management of flexible carbon nanotube cold cathode electrostatic safety monitoring.

Description

Flexible carbon nanotube cold cathode static electricity safety monitoring system and device Technical Field The invention relates to the technical field of static protection and monitoring technology and carbon nanotube material application, in particular to a flexible carbon nanotube cold cathode static safety monitoring system and device. Background In the development of flexible carbon nanotube cold cathode electrostatic safety monitoring technology, existing solutions still face multiple challenges. The conventional system lacks quantitative evaluation means for working stability, service life attenuation and environmental adaptability, so that the operation risk is difficult to control accurately. In terms of working stability, factors such as voltage fluctuation, sudden ignition event, current fluctuation and the like can obviously interfere with cathode emission characteristics, but conventional monitoring only depends on empirical judgment, comprehensive quantification of multidimensional risks cannot be achieved, in terms of life management, due to the fact that current density of a carbon nanotube array is unevenly distributed, local hot spots are easily formed, degradation and damage of a specific tube bundle are accelerated, a dynamic prediction model is lacked to guide load balancing adjustment, the problem of electric leakage is aggravated by quantum tunneling effect caused by environment adaptability dimension and vacuum degree change, structural reliability is further affected by thermal stress caused by temperature gradient, and an effective multi-parameter coupling analysis mechanism is not established in the conventional device. These technical bottlenecks severely restrict the reliability and applicable scene expansion of the monitoring system. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides a flexible carbon nanotube cold cathode electrostatic safety monitoring system and device, which have the advantages of multidimensional data acquisition and quantitative analysis, real-time risk assessment and early warning, intelligent life prediction and environment self-adaptive regulation, and solve the problems of dependence on experience judgment, lack of dynamic prediction and deficiency of multi-factor coupling analysis in the traditional scheme. (II) technical scheme In order to achieve the aim, the invention provides the technical scheme that the flexible carbon nanotube cold cathode electrostatic safety monitoring system comprises a central processing unit, a multidimensional data acquisition module, a data analysis module, a judgment module, an early warning module, a parameter adjustment module, a fault diagnosis module, a data storage module and a communication module; the multidimensional data acquisition module is responsible for comprehensively acquiring voltage data, current density data and environmental parameter data in real time; The data analysis module outputs a working stability risk index according to the acquired data Rate of decay of cathode lifeIndex of failure with environmental adaptation; The judging module judges the risk index according to the working stabilityRate of decay of cathode lifeIndex of failure with environmental adaptationJudging whether the system has the problems of working stability, service life shortening and poor environmental adaptability, and generating corresponding judging results aiming at different problems; the early warning module sends out corresponding early warning signals according to the result of the judging module when the system has the conditions of abnormal working stability, shortened service life and poor environmental adaptability, and the early warning modes comprise acousto-optic early warning and information pushing; The parameter adjusting module receives the result of the judging module, and adjusts the working voltage parameter of the cold cathode when judging that the working stability problem exists; The fault diagnosis module is used for diagnosing fault points which can cause problems of working stability, service life and environmental adaptability in the system by combining the original data of the multidimensional data acquisition module and the result of the data analysis module; the data storage module is used for storing all the original data acquired by the multidimensional data acquisition module, the calculation result of the data analysis module, the judgment result of the judgment module and the operation log information of the system; The communication module is responsible for transmitting operation data, early warning information and judgment results in the system to the central processing unit and receiving control instructions from the outside; The central processing unit coordinates and controls the multidimensional data acquisition module, the data analysis module, the judgment module, the early warning module, the parameter