Multi-parameter laser photoelectric signal intelligent grading early warning device

Abstract

The utility model discloses a multi-parameter laser photoelectric signal intelligent grading early warning device, which comprises a monitoring module provided with a laser power monitoring circuit, a wavelength monitoring circuit and a light spot quality monitoring circuit, a data acquisition and transmission module provided with a data acquisition circuit and a data transmission circuit, and a data processing module, the system is provided with a core processor circuit and a storage circuit, the grading early warning module is provided with a sound-light alarm circuit and a communication alarm circuit, and the user interaction module is provided with a display interface circuit and an operation control circuit. Therefore, multi-parameter monitoring, intelligent grading early warning and efficient data processing and interaction can be realized, the running state of the laser system can be comprehensively reflected, timely and accurate early warning can be realized, the monitoring efficiency is improved, the operation complexity is reduced, and safe and stable running of laser equipment is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of information technology, and in particular to a multi-parameter laser photoelectric signal intelligent hierarchical early warning device. Background Technology

[0002] Laser technology is widely used in numerous fields such as industry, medicine, and communications, which has led to increasingly higher requirements for the safety and stability of laser equipment. Most existing laser monitoring devices only detect a single parameter, such as power or wavelength, relying on fixed threshold alarms. While this achieves basic monitoring functions, it is difficult to comprehensively reflect the operating status of the laser system in complex scenarios. Furthermore, traditional early warning mechanisms lack hierarchical processing capabilities, and the integration of data acquisition, transmission, and user interaction is limited, affecting monitoring efficiency and increasing operational complexity. Utility Model Content

[0003] The present invention aims to solve, to at least some extent, the technical problems in the above-mentioned technologies.

[0004] Therefore, this utility model discloses a multi-parameter laser photoelectric signal intelligent hierarchical early warning device, comprising:

[0005] The monitoring module includes a laser power monitoring circuit, a wavelength monitoring circuit, and a spot quality monitoring circuit.

[0006] The laser power monitoring circuit receives the laser energy from the laser input optical path to generate an initial current signal, amplifies the initial current signal, and filters the high-frequency signals in the amplified initial current signal to generate laser power data.

[0007] The wavelength monitoring circuit generates wavelength data of the laser in the laser input optical path through a grating beam splitting mechanism.

[0008] The spot quality monitoring circuit receives laser energy from the laser input optical path to generate spot image data;

[0009] The data acquisition and transmission module is equipped with a data acquisition circuit and a data transmission circuit, wherein,

[0010] The data acquisition circuit converts the laser power data, the wavelength data, and the spot image data into feedback digital signals.

[0011] The data transmission circuit transmits the feedback digital signal to the data processing module;

[0012] The data processing module includes a core processor circuit and a storage circuit.

[0013] The core processor circuit receives the feedback digital signal and generates a graded early warning signal according to a preset threshold.

[0014] The storage circuit stores preset thresholds, preset rules, and algorithms in the core processor circuit.

[0015] The graded early warning module is equipped with audible and visual alarm circuits and communication alarm circuits.

[0016] The audible and visual alarm circuit issues an audible and visual alarm based on the graded early warning signal.

[0017] The communication alarm circuit performs remote communication alarm based on the graded early warning signal;

[0018] The user interaction module includes a display interface circuit and an operation control circuit.

[0019] The display interface circuit displays the laser power data, the wavelength data, the spot image data, and the graded warning signal;

[0020] The operation control circuit enables human-computer interaction.

[0021] The multi-parameter laser photoelectric signal intelligent hierarchical early warning device disclosed in this utility model can monitor multiple parameters, provide intelligent hierarchical early warning, and efficiently process and interact with data. It can comprehensively reflect the operating status of the laser system, provide timely and accurate early warning, improve monitoring efficiency, reduce operational complexity, and ensure the safe and stable operation of laser equipment.

[0022] In addition, the multi-parameter laser photoelectric signal intelligent hierarchical early warning device disclosed in this utility model may also have the following additional technical features:

[0023] In one embodiment of this utility model, the monitoring module, wherein,

[0024] The laser power monitoring circuit includes: a photodiode U1, a first amplifier U2, and a second-order low-pass RC filter circuit, wherein,

[0025] The negative electrode of the photodiode U1 receives the laser energy from the laser input optical path to generate the initial current signal. The first amplifier U2 amplifies the initial current signal. The second-order low-pass RC filter circuit filters the high-frequency signal in the amplified initial current signal to generate the laser power data. The laser power data is input to the data acquisition and transmission module.

[0026] The wavelength monitoring circuit includes: a motor driver chip U3, a motor U4, a second amplifier U5, a linear CCD array U6, and a multiplex analog switch U7, wherein...

[0027] The motor drive chip U3 controls the motor U4 to drive the grating beam splitting mechanism to rotate so that the linear CCD array U6 generates the first type of wavelength data of the laser in the laser input optical path. The second amplifier U5 amplifies the wavelength data, and the multiplex analog switch U7 inputs the wavelength data to the data acquisition and transmission module.

[0028] The light spot quality monitoring circuit includes: a camera U11 and a first reset circuit, wherein,

[0029] The camera U11 receives laser energy from the laser input optical path to generate the light spot image data, and the light spot image data is input to the data acquisition and transmission module.

[0030] In one embodiment of this utility model, the data acquisition and transmission module, wherein,

[0031] The data acquisition circuit includes: an external clock source U12, an ADC chip U13, and a data buffer U14, wherein,

[0032] The ADC chip U13 converts the laser power data, the wavelength data, and the spot image data into the feedback digital signal and stores it in the data buffer U14;

[0033] The data transmission circuit includes: an Ethernet controller U15, a network transformer U16, and an RJ45 connector U17, wherein,

[0034] The Ethernet controller U15 receives the feedback digital signal and connects to an external network through the network transformer U16 and the RJ45 connector U17.

[0035] In one embodiment of this utility model, the data processing module, wherein,

[0036] The core processor circuit includes: a microcontroller U18, an external crystal oscillator U20, and a second reset circuit, wherein...

[0037] The microcontroller U18 controls the operation of the monitoring module, the data acquisition and transmission module, the data processing module, the hierarchical early warning module, and the user interaction module. The external crystal oscillator U20 and the second reset circuit constitute the minimum external system of the microcontroller U18.

[0038] The storage circuit includes: an SPI Flash chip U22, wherein,

[0039] The SPI Flash chip U22 stores the program code and configuration data of the microcontroller U18.

[0040] In one embodiment of this utility model, the graded early warning module, wherein,

[0041] The audible and visual alarm circuit includes: an audible and visual generator U24, wherein,

[0042] The sound and light generator U24 issues an sound and light alarm based on the graded warning signal.

[0043] The communication alarm circuit includes: a GSM module U23, wherein,

[0044] The GSM module U23 performs remote communication alarms based on the graded early warning signals.

[0045] In one embodiment of this utility model, the user interaction module, wherein,

[0046] The display interface circuit includes: a display U21, wherein,

[0047] The display U21 displays the laser power data, the wavelength data, the spot image data, and the graded warning signal;

[0048] The operation control circuit includes: a matrix keypad U19, wherein,

[0049] The matrix keyboard U19 is used for human-computer interaction.

[0050] Additional features and advantages of this invention will be set forth in the description which follows, or may be learned by practicing this invention. Attached Figure Description

[0051] The technical solution and beneficial effects of this utility model will become apparent and easily understood from the following description in conjunction with the accompanying drawings, wherein:

[0052] Figure 1 This is a circuit diagram of the multi-parameter laser photoelectric signal intelligent hierarchical early warning device of this utility model;

[0053] Figure 2 This is a circuit diagram of the laser power monitoring circuit of this utility model;

[0054] Figure 3 This is a circuit diagram of the wavelength monitoring circuit of this utility model;

[0055] Figure 4 This is a circuit diagram of the wavelength monitoring circuit of this utility model;

[0056] Figure 5 This is a circuit diagram of the wavelength monitoring circuit of this utility model;

[0057] Figure 6This is a circuit diagram of the light spot quality monitoring circuit of this utility model;

[0058] Figure 7 This is a circuit diagram of the data acquisition circuit of this utility model;

[0059] Figure 8 This is a circuit diagram of the data transmission circuit of this utility model;

[0060] Figure 9 The circuit diagram shows the core processor circuit, the audible and visual alarm circuit, and the display interface circuit of this utility model. Detailed Implementation

[0061] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0062] The multi-parameter laser photoelectric signal intelligent hierarchical early warning device disclosed in this utility model will now be described with reference to the accompanying drawings.

[0063] like Figure 1 As shown, a multi-parameter laser photoelectric signal intelligent hierarchical early warning device includes:

[0064] The monitoring module includes a laser power monitoring circuit, a wavelength monitoring circuit, and a spot quality monitoring circuit.

[0065] The laser power monitoring circuit receives the laser energy from the laser input optical path to generate an initial current signal, amplifies the initial current signal, and filters the high-frequency signals in the amplified initial current signal to generate laser power data.

[0066] The wavelength monitoring circuit generates wavelength data of the laser in the laser input optical path through a grating beam splitting mechanism;

[0067] The spot quality monitoring circuit receives the laser energy from the laser input optical path to generate spot image data;

[0068] Specifically, such as Figure 2 As shown, the laser power monitoring circuit includes: a photodiode U1, a first amplifier U2, and a second-order low-pass RC filter circuit, wherein...

[0069] The negative terminal of photodiode U1 receives the laser energy from the laser input optical path to generate an initial current signal. The first amplifier U2 amplifies the initial current signal. The second-order low-pass RC filter circuit filters the high-frequency signal in the amplified initial current signal to generate laser power data. The laser power data is input to the data acquisition and transmission module.

[0070] like Figure 3 and Figure 4 As shown, the wavelength monitoring circuit includes: a motor driver chip U3, a motor U4, a second amplifier U5, a linear CCD array U6, and a multiplex analog switch U7.

[0071] The motor driver chip U3 controls the motor U4 to drive the grating beam splitting mechanism to rotate so that the linear CCD array U6 generates the first type of wavelength data of the laser in the laser input optical path. The second amplifier U5 amplifies the wavelength data, and the multiplex analog switch U7 inputs the wavelength data to the data acquisition and transmission module.

[0072] In addition, such as Figure 5 As shown, to ensure the accuracy of wavelength data, the wavelength monitoring circuit can be supplemented with: fiber optic coupler U8, FBG sensor, APD photodiode, third operational amplifier U9, and LC bandpass filter U10.

[0073] The laser in the laser input optical path is connected to the fiber optic coupler U8 via an optical fiber. The signal generated by the fiber optic coupler U8 is input to the FBG sensor. The signal generated by the FBG sensor is input to the APD photodiode. The third operational amplifier U9 amplifies the signal generated by the APD photodiode. The LC bandpass filter U10 filters the high-frequency signal in the amplified signal generated by the APD photodiode to generate spot image data. The spot image data is input to the data acquisition and transmission module.

[0074] like Figure 6 As shown, the spot quality monitoring circuit includes: a camera U11 and a first reset circuit, wherein,

[0075] Camera U11 receives laser energy from the laser input optical path to generate spot image data, which is then input to the data acquisition and transmission module.

[0076] The data acquisition and transmission module is equipped with a data acquisition circuit and a data transmission circuit, wherein,

[0077] The data acquisition circuit converts laser power data, wavelength data, and spot image data into feedback digital signals.

[0078] The data transmission circuit transmits the feedback digital signal to the data processing module;

[0079] Specifically, such as Figure 7 As shown, the data acquisition circuit includes: an external clock source U12, an ADC chip U13, and a data buffer U14, wherein...

[0080] The ADC chip U13 will convert the laser power data, wavelength data and spot image data into feedback digital signals and store them in the data buffer U14;

[0081] like Figure 8 As shown, the data transmission circuit includes: an Ethernet controller U15, a network transformer U16, and an RJ45 connector U17, wherein...

[0082] The Ethernet controller U15 receives feedback digital signals and connects to an external network via the network transformer U16 and the RJ45 connector U17.

[0083] The data processing module includes a core processor circuit and a storage circuit.

[0084] The core processor circuit receives feedback digital signals and generates graded early warning signals based on preset thresholds.

[0085] Storage circuitry stores preset thresholds, preset rules, and algorithms in the core processor circuitry.

[0086] Specifically, such as Figure 9 As shown, the core processor circuit includes: a microcontroller U18, an external crystal oscillator U20, and a second reset circuit.

[0087] The microcontroller U18 operates the control and monitoring module, data acquisition and transmission module, data processing module, hierarchical early warning module, and user interaction module. The external crystal oscillator U20 and the second reset circuit constitute the minimum external system of the microcontroller U18.

[0088] The storage circuit includes: an SPI Flash chip U22, wherein,

[0089] The SPI Flash chip U22 stores the program code and configuration data of the microcontroller U18.

[0090] The graded early warning module is equipped with audible and visual alarm circuits and communication alarm circuits.

[0091] The audible and visual alarm circuit issues audible and visual alarms based on graded warning signals.

[0092] The communication alarm circuit provides remote communication alarms based on graded early warning signals.

[0093] Specifically, such as Figure 9 As shown, the audible and visual alarm circuit includes: an audible and visual generator U24, wherein,

[0094] The sound and light generator U24 issues sound and light alarms based on the graded warning signals.

[0095] The communication alarm circuit includes: a GSM module U23, wherein,

[0096] The GSM module U23 performs remote communication alarms based on graded early warning signals.

[0097] The user interaction module includes a display interface circuit and an operation control circuit.

[0098] The display interface circuit displays laser power data, wavelength data, spot image data, and graded early warning signals;

[0099] Operate the control circuit to perform human-computer interaction;

[0100] Specifically, such as Figure 9 As shown, the display interface circuit includes: a display U21, wherein,

[0101] Display U21 shows laser power data, wavelength data, spot image data, and graded warning signals;

[0102] The operation control circuit includes: a matrix keypad U19, wherein,

[0103] The U19 matrix keyboard is used for human-computer interaction.

[0104] To elaborate further, taking the application of this device in a laser experimental system of a research laboratory as an example, the laser output from the experimental equipment enters the monitoring module.

[0105] In the laser power monitoring circuit, photodiode U1 receives laser energy. For example, when it receives 10mW of laser light, it generates an initial current signal of 20μA. This signal is amplified 50 times by the first amplifier U2 to become 1mA. After the second-order low-pass RC filter circuit filters the high-frequency signal, stable power data is obtained and transmitted to the data acquisition and transmission module.

[0106] The wavelength monitoring circuit uses a motor drive chip U3 to control a motor U4 that drives a grating beam splitter. A linear CCD array U6 generates wavelength data; for example, if a wavelength of 532nm is detected, the second amplifier U5 amplifies the data, and a multiplexer U7 transmits the data. Additional components further refine the measurement: the laser light travels via fiber optic coupler U8 to an FBG sensor, and then is processed by an APD photodiode, ensuring the accuracy of the wavelength data.

[0107] The light spot quality monitoring circuit uses camera U11 to acquire 20 frames of light spot image data per second. The first reset circuit ensures that the camera is stable before each acquisition, and the data is directly transmitted after acquisition.

[0108] In the data acquisition circuit, an external clock source U12 provides the clock signal, and the ADC chip U13 converts the analog data into a digital signal and stores it in the data buffer U14. The data transmission circuit transmits the data to the laboratory computer via an Ethernet controller U15, etc.

[0109] The microcontroller U18 of the data processing module receives data and analyzes it based on the thresholds and algorithms stored in the SPI Flash chip U22. For example, if the power threshold is set to 8-12mW and the wavelength threshold is set to 531-533nm, a graded warning signal is generated if the data exceeds the range.

[0110] The tiered early warning module's audible and visual generator U24 and GSM module U23 provide audible and visual alarms and remote communication alarms, respectively. The user interaction module's display U21 shows data and early warning information in real time. Operators can set parameters and query data via the matrix keypad U19.

[0111] In summary, the multi-parameter laser photoelectric signal intelligent hierarchical early warning device disclosed in this utility model can monitor multiple parameters, provide intelligent hierarchical early warning, and efficiently process and interact with data. It can comprehensively reflect the operating status of the laser system, provide timely and accurate early warning, improve monitoring efficiency, reduce operational complexity, and ensure the safe and stable operation of laser equipment.

[0112] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A multi-parameter laser photoelectric signal intelligent hierarchical early warning device, characterized in that, include: The monitoring module includes a laser power monitoring circuit, a wavelength monitoring circuit, and a spot quality monitoring circuit. The laser power monitoring circuit receives the laser energy from the laser input optical path to generate an initial current signal, amplifies the initial current signal, and filters the high-frequency signals in the amplified initial current signal to generate laser power data. The wavelength monitoring circuit generates wavelength data of the laser in the laser input optical path through a grating beam splitting mechanism. The spot quality monitoring circuit receives laser energy from the laser input optical path to generate spot image data; The data acquisition and transmission module is equipped with a data acquisition circuit and a data transmission circuit, wherein, The data acquisition circuit converts the laser power data, the wavelength data, and the spot image data into feedback digital signals. The data transmission circuit transmits the feedback digital signal to the data processing module; The data processing module includes a core processor circuit and a storage circuit. The core processor circuit receives the feedback digital signal and generates a graded early warning signal according to a preset threshold. The storage circuit stores preset thresholds, preset rules, and algorithms in the core processor circuit. The graded early warning module is equipped with audible and visual alarm circuits and communication alarm circuits. The audible and visual alarm circuit issues an audible and visual alarm based on the graded early warning signal. The communication alarm circuit performs remote communication alarm based on the graded early warning signal; The user interaction module includes a display interface circuit and an operation control circuit. The display interface circuit displays the laser power data, the wavelength data, the spot image data, and the graded warning signal; The operation control circuit enables human-computer interaction.

2. The multi-parameter laser photoelectric signal intelligent hierarchical early warning device as described in claim 1, characterized in that, The monitoring module, wherein The laser power monitoring circuit includes: a photodiode U1, a first amplifier U2, and a second-order low-pass RC filter circuit, wherein, The negative electrode of the photodiode U1 receives the laser energy from the laser input optical path to generate the initial current signal. The first amplifier U2 amplifies the initial current signal. The second-order low-pass RC filter circuit filters the high-frequency signal in the amplified initial current signal to generate the laser power data. The laser power data is input to the data acquisition and transmission module. The wavelength monitoring circuit includes: a motor driver chip U3, a motor U4, a second amplifier U5, a linear CCD array U6, and a multiplex analog switch U7, wherein... The motor drive chip U3 controls the motor U4 to drive the grating beam splitting mechanism to rotate so that the linear CCD array U6 generates the first type of wavelength data of the laser in the laser input optical path. The second amplifier U5 amplifies the wavelength data, and the multiplex analog switch U7 inputs the wavelength data to the data acquisition and transmission module. The light spot quality monitoring circuit includes: a camera U11 and a first reset circuit, wherein, The camera U11 receives laser energy from the laser input optical path to generate the light spot image data, and the light spot image data is input to the data acquisition and transmission module.

3. The multi-parameter laser photoelectric signal intelligent hierarchical early warning device as described in claim 1, characterized in that, The data acquisition and transmission module, wherein, The data acquisition circuit includes: an external clock source U12, an ADC chip U13, and a data buffer U14, wherein, The ADC chip U13 converts the laser power data, the wavelength data, and the spot image data into the feedback digital signal and stores it in the data buffer U14; The data transmission circuit includes: an Ethernet controller U15, a network transformer U16, and an RJ45 connector U17, wherein, The Ethernet controller U15 receives the feedback digital signal and connects to an external network through the network transformer U16 and the RJ45 connector U17.

4. The multi-parameter laser photoelectric signal intelligent hierarchical early warning device as described in claim 1, characterized in that, The data processing module, wherein, The core processor circuit includes: a microcontroller U18, an external crystal oscillator U20, and a second reset circuit, wherein... The microcontroller U18 controls the operation of the monitoring module, the data acquisition and transmission module, the data processing module, the hierarchical early warning module, and the user interaction module. The external crystal oscillator U20 and the second reset circuit constitute the minimum external system of the microcontroller U18. The storage circuit includes: an SPI Flash chip U22, wherein, The SPI Flash chip U22 stores the program code and configuration data of the microcontroller U18.

5. The multi-parameter laser photoelectric signal intelligent hierarchical early warning device as described in claim 1, characterized in that, The graded early warning module, wherein... The audible and visual alarm circuit includes: an audible and visual generator U24, wherein, The sound and light generator U24 issues a sound and light alarm based on the graded early warning signal. The communication alarm circuit includes: a GSM module U23, wherein... The GSM module U23 performs remote communication alarms based on the graded early warning signals.

6. The multi-parameter laser photoelectric signal intelligent hierarchical early warning device as described in claim 1, characterized in that, The user interaction module, wherein... The display interface circuit includes: a display U21, wherein, The display U21 displays the laser power data, the wavelength data, the spot image data, and the graded warning signal; The operation control circuit includes: a matrix keypad U19, wherein, The matrix keyboard U19 is used for human-computer interaction.

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