阅读说明：本技术 光器件损伤检测方法、装置、电子设备及可读存储介质 (Optical device damage detection method and device, electronic equipment and readable storage medium ) 是由 马文静 张军伟 徐振源 向勇 陈良明 胡东霞 袁强 袁晓东 周丽丹 李可欣 房奇 于 2019-10-09 设计创作，主要内容包括：本申请提供一种光器件损伤检测方法、装置、电子设备及可读存储介质,通过获取待测光器件运行时的产生的声传播信号,对声传播信号进行处理,得到声传播信号的特征参数,进而基于特征参数确定出待测光器件中的声传播信号源的类型、强度及活度,最后基于声传播信号源的类型、强度及活度确定出待测光器件的损伤类型及损伤程度。这样,利用元件在存在物理损伤时,运行过程中会产生声传播信号的特点,通过对声传播信号进行采集、处理,从而实现对待测光器件的损伤类型及损伤程度的确定。相较于相关技术而言,不需要进行光器件的拆卸,限制条件更少,检测效率更高。(The application provides an optical device damage detection method, an optical device damage detection device, an electronic device and a readable storage medium. Therefore, by utilizing the characteristic that the element can generate an acoustic transmission signal in the operation process when physical damage exists, the damage type and the damage degree of the light-to-be-detected device are determined by acquiring and processing the acoustic transmission signal. Compared with the related art, the optical device does not need to be disassembled, the limiting condition is less, and the detection efficiency is higher.)

1. A method for detecting damage to an optical device, comprising:

acquiring an acoustic propagation signal generated when a device to be measured operates;

processing the acoustic propagation signal to obtain characteristic parameters of the acoustic propagation signal;

determining the type, the strength and the activity of an acoustic propagation signal source in the optical device to be tested based on the characteristic parameters;

and determining the damage type and the damage degree of the optical device to be detected based on the type, the strength and the activity of the acoustic propagation signal source.

2. The method for detecting damage to an optical device according to claim 1, wherein the processing the acoustic propagation signal to obtain the characteristic parameter of the acoustic propagation signal comprises:

processing the acoustic propagation signal to obtain a time domain waveform and a frequency spectrum of the acoustic propagation signal;

and determining the characteristic parameters of the acoustic propagation signals based on the time domain waveform and the frequency spectrum of the acoustic propagation signals.

3. The optical device damage detection method according to claim 1, wherein the characteristic parameter includes a time-domain waveform of the acoustic propagation signal;

determining the type of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameters comprises:

when the time domain waveform is continuous, determining the type of the sound propagation signal source to be a continuous sound propagation signal source;

and when the time domain waveform is discontinuous, determining the type of the sound propagation signal source as a burst type sound propagation signal source.

4. The optical device damage detection method according to claim 1, wherein the characteristic parameter includes an event number of the acoustic propagation signal;

determining the activity of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameters comprises:

and determining the activity of the sound propagation signal source according to the corresponding relation between the preset change condition of the number of the events and the activity of the sound propagation signal source and the obtained number of the events of the sound propagation signal.

5. The optical device damage detection method according to claim 1, wherein the characteristic parameter includes an energy of the acoustic propagation signal;

determining the intensity of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameters comprises:

and determining the strength of the acoustic propagation signal source according to the obtained energy of the acoustic propagation signal and the corresponding relation between the preset energy and the strength of the acoustic propagation signal source.

6. The optical device damage detection method according to claim 1, wherein the characteristic parameter includes an amplitude of the acoustic propagation signal;

determining the intensity of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameters comprises:

and determining the strength of the acoustic propagation signal source according to the obtained amplitude of the acoustic propagation signal and the corresponding relation between the preset amplitude and the strength of the acoustic propagation signal source.

7. The method of claim 1, wherein the determining the damage type and the damage degree of the optical device under test based on the type, the intensity, and the activity of the acoustic propagation signal source comprises:

determining the damage type of the optical device to be tested based on the type of the acoustic propagation signal source and the preset corresponding relation between the type of the acoustic propagation signal source and the damage type;

and determining the damage degree of the optical device to be tested based on the strength and the activity of the acoustic propagation signal source and the corresponding relation of the preset strength, activity and damage degree.

8. The method of any of claims 1-7, wherein the obtaining the acoustic propagation signal generated during operation of the optical device under test comprises:

acquiring acoustic propagation signals generated when the optical device to be detected runs through at least four sensors preset on the optical device to be detected;

the optical device damage detection method further comprises:

after acoustic propagation signals generated when the optical device to be measured runs are acquired through at least four sensors preset on the optical device to be measured, the coordinate position of an acoustic propagation signal source in the optical device to be measured is determined based on the coordinate position of each sensor and the time difference of each sensor receiving the acoustic propagation signals.

9. An optical device damage detection apparatus, comprising: the device comprises an acquisition module and a processing module;

the acquisition module is used for acquiring an acoustic propagation signal generated when the optical device to be detected operates;

the processing module is used for processing the acoustic propagation signal to obtain a characteristic parameter of the acoustic propagation signal, determining the type, the strength and the activity of an acoustic propagation signal source in the optical device to be tested based on the characteristic parameter, and determining the damage type and the damage degree of the optical device to be tested based on the type, the strength and the activity of the acoustic propagation signal source.

10. An electronic device comprising a processor, a memory, a communication bus, and a sensor;

the communication bus is used for realizing connection communication among the processor, the memory and the sensor;

the sensor is used for being arranged on the device to be measured so as to obtain an acoustic propagation signal generated by the device to be measured during operation and transmit the acoustic propagation signal to the processor through the communication bus;

the processor is configured to execute one or more programs stored in the memory to implement the optical device damage detection method according to any one of claims 1 to 8.

11. A readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the optical device damage detection method according to any one of claims 1 to 8.

Technical Field

The present disclosure relates to the field of optical technologies, and in particular, to a method and an apparatus for detecting damage to an optical device, an electronic device, and a readable storage medium.

Background

In the application process of the optical device, the optical device can be damaged to a certain extent due to factors such as initial defects of the optical device, the use environment and the like, so that the performance of the optical device is seriously influenced. The detection of damage to the optical device therefore plays a crucial role in the optical field.

At present, the damage detection method of the optical device mainly comprises the following steps: before the optical device is installed in the system or after the optical device is detached from the system, the optical device is fixed on a specific clamping device and is detected in a mode of acquiring damage images through manual vision or computer vision. This method requires frequent handling of the optical device, which results in low detection efficiency and more restrictions.

Disclosure of Invention

An embodiment of the present application provides a method and an apparatus for detecting damage to an optical device, an electronic device, and a readable storage medium, so as to solve the problems of low detection efficiency and more limitations of the related art.

The embodiment of the application provides a method for detecting damage of an optical device, which comprises the following steps: acquiring an acoustic propagation signal generated when a device to be measured operates; processing the acoustic propagation signal to obtain characteristic parameters of the acoustic propagation signal; determining the type, the strength and the activity of an acoustic propagation signal source in the optical device to be tested based on the characteristic parameters; and determining the damage type and the damage degree of the optical device to be detected based on the type, the strength and the activity of the acoustic propagation signal source.

In the implementation process, the acoustic propagation signal generated when the optical device to be tested operates is acquired and processed to obtain the characteristic parameters of the acoustic propagation signal, the type, the strength and the activity of the acoustic propagation signal source in the optical device to be tested are determined based on the characteristic parameters, and finally the damage type and the damage degree of the optical device to be tested are determined based on the type, the strength and the activity of the acoustic propagation signal source. Therefore, by utilizing the characteristic that the element can generate an acoustic transmission signal in the operation process when physical damage exists, the damage type and the damage degree of the light-to-be-detected device are determined by acquiring and processing the acoustic transmission signal. Compared with the related art, the optical device does not need to be disassembled, the limiting condition is less, and the detection efficiency is higher.

Further, the processing the acoustic propagation signal to obtain the characteristic parameter of the acoustic propagation signal includes: processing the acoustic propagation signal to obtain a time domain waveform and a frequency spectrum of the acoustic propagation signal; and determining the characteristic parameters of the acoustic propagation signals based on the time domain waveform and the frequency spectrum of the acoustic propagation signals.

In the implementation process, the time domain waveform and the frequency spectrum of the acoustic propagation signal are obtained by processing the acoustic propagation signal, and then the characteristic parameters of the acoustic propagation signal are determined based on the time domain waveform and the frequency spectrum of the acoustic propagation signal. The determined characteristic parameters of the acoustic propagation signals are related to the time domain waveform and the frequency spectrum of the acoustic propagation signals, so that the characteristic information of the acoustic propagation signals can be effectively embodied, and the accuracy of detecting the damage of the optical device to be detected is improved.

Further, the characteristic parameter includes a time-domain waveform of the acoustic propagation signal, and determining the type of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameter includes: when the time domain waveform is continuous, determining the type of the sound propagation signal source to be a continuous sound propagation signal source; and when the time domain waveform is discontinuous, determining the type of the sound propagation signal source as a burst type sound propagation signal source.

In practical applications, the inventors have found that, for a continuous type acoustic propagation signal source, the waveform of the generated acoustic propagation signal is continuous, while the waveform of the generated acoustic propagation signal is discontinuous. The implementation process is based on the type judgment, and the implementation method is simple, reliable in result and high in practical application value.

Further, the characteristic parameter includes the event number of the acoustic propagation signal, and determining the activity of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameter includes: and determining the activity of the sound propagation signal source according to the corresponding relation between the preset change condition of the number of the events and the activity of the sound propagation signal source and the obtained number of the events of the sound propagation signal.

In the implementation process, the activity of the sound propagation signal source is determined according to the number of the events of the sound propagation signal and the corresponding relation between the preset number of the events and the activity of the sound propagation signal source, the detection national standard requirement of the sound propagation signal is met, and the detection result has better accuracy.

Further, the characteristic parameter includes energy of the acoustic propagation signal, and determining the intensity of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameter includes: and determining the strength of the acoustic propagation signal source according to the obtained energy of the acoustic propagation signal and the corresponding relation between the preset energy and the strength of the acoustic propagation signal source.

In practical applications, the greater the energy of the acoustically propagated signal, the higher the intensity. In the implementation process, the strength of the acoustic propagation signal source is determined based on the energy of the acoustic propagation signal, the implementation is simple, the result is reliable, and the method has good practical application value.

Further, the characteristic parameter includes an amplitude of the acoustic propagation signal, and determining the intensity of the acoustic propagation signal source in the optical device to be tested based on the characteristic parameter includes: and determining the strength of the acoustic propagation signal source according to the obtained amplitude of the acoustic propagation signal and the corresponding relation between the preset amplitude and the strength of the acoustic propagation signal source.

In practical applications, generally, the larger the amplitude of the acoustically propagated signal, the higher the intensity of the acoustically propagated signal. Therefore, in the implementation process, the strength of the acoustic propagation signal source is determined based on the amplitude of the acoustic propagation signal, the implementation is simple, the result is reliable, and the method has good practical application value.

Further, the determining the damage type and the damage degree of the optical device to be tested based on the type, the strength, and the activity of the acoustic propagation signal source includes: determining the damage type of the optical device to be tested based on the type of the acoustic propagation signal source and the preset corresponding relation between the type of the acoustic propagation signal source and the damage type; and determining the damage degree of the optical device to be tested based on the strength and the activity of the acoustic propagation signal source and the corresponding relation of the preset strength, activity and damage degree.

In the practical application process, different types of damage can cause different types of sound propagation signal sources, and the strength and activity of the sound propagation signal sources can reflect the damage degree of the device. In the implementation process, the damage type of the optical device to be tested is determined based on the type of the acoustic propagation signal source, the damage degree of the optical device to be tested is determined based on the strength and activity of the acoustic propagation signal source, the whole process is very simple to implement, and the reliability is high, so that the method has good practical application value.

Further, the acquiring the acoustic propagation signal generated when the optical device under test operates includes: acquiring acoustic propagation signals generated when the optical device to be detected runs through at least four sensors preset on the optical device to be detected; the optical device damage detection method further comprises: after acoustic propagation signals generated when the optical device to be measured runs are acquired through at least four sensors preset on the optical device to be measured, the coordinate position of an acoustic propagation signal source in the optical device to be measured is determined based on the coordinate position of each sensor and the time difference of each sensor receiving the acoustic propagation signals.

In the process, the generation position of the signal can be calculated based on at least four known positions and the time difference of the same signal reaching different positions, so that an engineer can accurately position the coordinates of the damage position of the element, and the later repair and other operations are facilitated.

The embodiment of the present application further provides an optical device damage detection device, including: the device comprises an acquisition module and a processing module; the acquisition module is used for acquiring an acoustic propagation signal generated when the optical device to be detected operates; the processing module is used for processing the acoustic propagation signal to obtain a characteristic parameter of the acoustic propagation signal, determining the type, the strength and the activity of an acoustic propagation signal source in the optical device to be tested based on the characteristic parameter, and determining the damage type and the damage degree of the optical device to be tested based on the type, the strength and the activity of the acoustic propagation signal source.

In the implementation process, the acoustic propagation signal generated when the optical device to be tested operates is acquired and processed to obtain the characteristic parameters of the acoustic propagation signal, the type, the strength and the activity of the acoustic propagation signal source in the optical device to be tested are determined based on the characteristic parameters, and finally the damage type and the damage degree of the optical device to be tested are determined based on the type, the strength and the activity of the acoustic propagation signal source. Therefore, by utilizing the characteristic that the element can generate an acoustic transmission signal in the operation process when physical damage exists, the damage type and the damage degree of the light-to-be-detected device are determined by acquiring and processing the acoustic transmission signal. Compared with the related art, the optical device does not need to be disassembled, the limiting condition is less, and the detection efficiency is higher.

The embodiment of the application also provides electronic equipment, which comprises a processor, a memory, a communication bus and a sensor; the communication bus is used for realizing connection communication among the processor, the memory and the sensor; the sensor is used for being arranged on the device to be measured so as to obtain an acoustic propagation signal generated by the device to be measured during operation and transmit the acoustic propagation signal to the processor through the communication bus; the processor is configured to execute one or more programs stored in the memory to implement any of the above-described optical device damage detection methods.

The embodiment of the present application further provides a readable storage medium, where one or more programs are stored, and the one or more programs are executable by one or more processors to implement any one of the above-mentioned optical device damage detection methods.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic flowchart of a method for detecting damage to an optical device according to an embodiment of the present disclosure;

fig. 2 is a schematic view illustrating a damage detection of a laser device according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of an optical device damage detection apparatus according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.