Laser heating test method and test system

Abstract

The invention provides a laser heating test method and system, and the method comprises the steps: adjusting the first voltage and first current of a laser according to a preset first proportional integral differential parameter, controlling the laser to heat in a first reaction cylinder, and recording the real-time first voltage and first current; adjusting a second voltage and a second current of the laser according to a preset second proportional integral differential parameter, controlling the laser to heat in a second reaction cylinder, and recording the second voltage and the second current in real time; calculating first power according to the first voltage and the corresponding first current, and integrating the first power to obtain first energy; calculating second power according to the second voltage and the corresponding second current, and integrating the second power to obtain second energy; and calculating the difference value between the second energy and the first energy to obtain the reaction heat of the sample in the first reaction cylinder body. According to the invention, the precision of temperature control and the convenience of operation are improved.

Description

Technical Field

[0001] The invention relates to the field of laser heating control, and in particular to a laser heating test method and a test system. Background Art

[0002] Laser heating technology is widely used in the field of precision machining due to the high brightness, high unidirectionality and high monochromaticity of laser beams. In the field of laser heating research, when the laser heats the sample in the reaction cylinder, the sample will undergo enthalpy change and exothermic or endothermic phenomena will occur. In the prior art, during the laser heating of the sample, it is impossible to record the experimental data related to the thermal behavior of the sample reaction, so there is room for improvement. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a laser heating test method and a test system for solving the problem in the prior art that experimental data related to the thermal behavior of the sample reaction cannot be recorded during laser heating of the sample.

[0004] To achieve the above-mentioned object and other related objects, the present invention provides a laser heating test method, which comprises:

[0005] The first voltage and the first current of the laser are adjusted according to a preset first proportional integral differential parameter, the laser is controlled to heat the first reaction cylinder so that the temperature in the first reaction cylinder reaches a preset target temperature, and the first voltage and the first current are recorded in real time, wherein a sample is arranged in the first reaction cylinder;

[0006] The second voltage and the second current of the laser are adjusted according to the preset second proportional integral differential parameters, the laser is controlled to heat the second reaction cylinder so that the temperature in the second reaction cylinder reaches the target temperature, and the real-time second voltage and the second current are recorded, wherein no sample is arranged in the second reaction cylinder;

[0007] Calculating a first power according to the first voltage and the corresponding first current, and integrating the first power to obtain a first energy; calculating a second power according to the second voltage and the corresponding second current, and integrating the second power to obtain a second energy;

[0008] The difference between the second energy and the first energy is calculated to obtain the reaction heat of the sample in the first reaction cylinder.

[0009] In one embodiment of the present invention, the step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter in the first reaction cylinder to control the laser for heating so that the temperature in the first reaction cylinder reaches a preset target temperature includes:

[0010] In the first reaction cylinder, a first voltage and a first current of the laser are adjusted according to an initial first proportional integral differential parameter to control the laser to perform heating;

[0011] When the temperature in the first reaction cylinder reaches a preset temperature range, the first proportional integral differential parameter is adjusted, and the laser is controlled to continue heating until the temperature in the first reaction cylinder reaches a preset target temperature.

[0012] In one embodiment of the present invention, when the temperature in the first reaction cylinder reaches a preset temperature range, the step of adjusting the first proportional integral differential parameter comprises:

[0013] Matching the first proportional-integral-differential parameter with a preset temperature range;

[0014] When the temperature in the first reaction cylinder reaches a certain temperature range, the first proportional integral differential parameter is adjusted to correspond to the certain temperature range, and the first voltage and the first current are adjusted according to the first proportional integral differential parameter corresponding to the certain temperature range.

[0015] In one embodiment of the present invention, the steps of calculating a first power according to the first voltage and the corresponding first current, and integrating the first power to obtain a first energy; and calculating a second power according to the second voltage and the corresponding second current, and integrating the second power to obtain a second energy include:

[0016] Calculating a first power according to the first voltage and the corresponding first current, recording a corresponding first heating time when the temperature in the first reaction cylinder reaches the target temperature, and integrating the first power over the first heating time to obtain a first energy;

[0017] A second power is calculated according to the second voltage and the corresponding second current. When the temperature in the second reaction cylinder reaches the target temperature, the corresponding second heating time is recorded, and the second power is integrated over the second heating time to obtain a second energy.

[0018] In one embodiment of the present invention, in the first reaction cylinder, adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter, controlling the laser to heat, so that the temperature in the first reaction cylinder reaches a preset target temperature, and recording the first voltage and the first current, comprises:

[0019] In the first reaction cylinder, the first voltage and the first current of the laser are set as initial parameters and heating is performed, and the temperature in the first reaction cylinder is compared with a preset normal temperature:

[0020] When the temperature in the first reaction cylinder reaches the normal temperature, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, and the laser is controlled to heat so that the temperature in the first reaction cylinder reaches a preset target temperature;

[0021] When the temperature in the first reaction cylinder cannot reach the normal temperature, laser failure information is generated.

[0022] In one embodiment of the present invention, the step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter in the first reaction cylinder includes:

[0023] In the first reaction cylinder, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, the monitored real-time voltage is compared with a preset voltage threshold, and the monitored real-time current is compared with a preset current threshold:

[0024] When the monitored real-time voltage is greater than or equal to the voltage threshold, the voltage threshold is used as the input voltage of the laser; when the monitored real-time voltage is less than the voltage threshold, the monitored real-time voltage is used as the input voltage of the laser;

[0025] When the monitored real-time current is greater than or equal to the current threshold, the current threshold is used as the input current of the laser; when the monitored real-time current is less than the current threshold, the monitored real-time current is used as the input current of the laser.

[0026] In one embodiment of the present invention, the step of adjusting the second voltage and the second current of the laser according to the second proportional integral differential parameter in the second reaction cylinder includes:

[0027] In the second reaction cylinder, the second voltage and the second current of the laser are adjusted according to the second proportional integral differential parameter, the monitored real-time voltage is compared with the preset voltage threshold, and the monitored real-time current is compared with the preset current threshold:

[0028] When the monitored real-time voltage is greater than or equal to the voltage threshold, the voltage threshold is used as the input voltage of the laser; when the monitored real-time voltage is less than the voltage threshold, the monitored real-time voltage is used as the input voltage of the laser;

[0029] When the monitored real-time current is greater than or equal to the current threshold, the current threshold is used as the input current of the laser; when the monitored real-time current is less than the current threshold, the monitored real-time current is used as the input current of the laser.

[0030] In one embodiment of the present invention, after the step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter in the first reaction cylinder to control the laser to heat, the method further comprises:

[0031] Recording the real-time temperature in the first reaction cylinder and generating a first temperature-time curve, wherein the first temperature-time curve is used to reflect the magnitude relationship between the real-time temperature in the first reaction cylinder and the target temperature;

[0032] The real-time temperature in the second reaction cylinder is recorded, and a second temperature-time curve is generated, where the second temperature-time curve is used to reflect the magnitude relationship between the real-time temperature in the second reaction cylinder and the target temperature.

[0033] The present invention also provides a laser heating test system, the system comprising:

[0034] Two reaction cylinders, the first reaction cylinder is used to set the sample to be tested, and the second reaction cylinder is not used to set the sample;

[0035] A monitoring unit, for recording the first voltage and the first current input to the laser in real time in the first reaction cylinder; for recording the second voltage and the second current input to the laser in real time in the second reaction cylinder;

[0036] a processing unit, for adjusting a first voltage and a first current of the laser according to a preset first proportional integral differential parameter, and controlling the laser to heat the first reaction cylinder so that the temperature in the first reaction cylinder reaches a preset target temperature; and for adjusting a second voltage and a second current of the laser according to a preset second proportional integral differential parameter, and controlling the laser to heat the second reaction cylinder so that the temperature in the second reaction cylinder reaches the target temperature;

[0037] The processing unit is further configured to calculate a first power according to the first voltage and the corresponding first current, and integrate the first power to obtain a first energy; calculate a second power according to the second voltage and the corresponding second current, and integrate the second power to obtain a second energy;

[0038] The processing unit is further used to calculate the difference between the second energy and the first energy to obtain the reaction heat of the sample in the first reaction cylinder.

[0039] In one embodiment of the present invention, the system further comprises:

[0040] A configuration unit, configured to configure a first proportional parameter, a first integral parameter and a first differential parameter for a first voltage and a first current input to the laser in the first reaction cylinder, and to combine the first proportional parameter, the first integral parameter and the first differential parameter to form a first proportional integral differential parameter;

[0041] The configuration unit is also used to configure the second voltage and the second current input to the laser into a second proportional parameter, a second integral parameter and a second differential parameter in the second reaction cylinder, and combine the second proportional parameter, the second integral parameter and the second differential parameter to form a second proportional integral differential parameter;

[0042] The first proportional-integral-differential parameter and the second proportional-integral-differential parameter are different.

[0043] As described above, a laser heating test method and test system of the present invention improves the accuracy of temperature control and the convenience of operation, and provides researchers with strong experimental data support through real-time data monitoring and recording functions, and is suitable for various scenarios requiring precise thermal control and energy analysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 A schematic diagram of a process flow of a laser heating test method provided by an embodiment of the present invention;

[0045] Figure 2 A display interface on the corresponding control end when the first reaction cylinder and the second reaction cylinder provided by an embodiment of the present invention are not heated.

[0046] Figure 3 A display interface on a corresponding control terminal when the first reaction cylinder is heated and the second reaction cylinder is not heated, provided by an embodiment of the present invention.

[0047] Figure 4 Another display interface on the corresponding control end when the first reaction cylinder is heated and the second reaction cylinder is not heated according to an embodiment of the present invention.

[0048] Figure 5 This is a structural block diagram of a laser heating test system provided in one embodiment of the present invention. DETAILED DESCRIPTION

[0049] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0050] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0051] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present invention. However, it is obvious to those skilled in the art that the embodiments of the present invention can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present invention difficult to understand.

[0052] See also Figures 1 to 5 The present invention proposes a laser heating test method and test system, which can be applied to the fields of material science, chemical engineering, biomedicine, etc., and can achieve high-precision control of the heating process and in-depth analysis of the thermal behavior of sample reactions. A detailed analysis is given below through specific embodiments.

[0053] See also Figure 1 and Figure 2 In one embodiment of the present invention, the present invention provides a laser heating test method, which may include the following steps.

[0054] Step 10: adjusting the first voltage and the first current of the laser according to a preset first proportional integral differential parameter, controlling the laser to heat the first reaction cylinder so that the temperature in the first reaction cylinder reaches a preset target temperature, and recording the real-time first voltage and first current, wherein a sample is arranged in the first reaction cylinder.

[0055] Step S20, adjusting the second voltage and the second current of the laser according to the preset second proportional integral differential parameter, controlling the laser to heat the second reaction cylinder so that the temperature in the second reaction cylinder reaches the target temperature, and recording the real-time second voltage and second current, wherein no sample is set in the second reaction cylinder.

[0056] Step S30, calculating a first power according to the first voltage and the corresponding first current, integrating the first power to obtain a first energy; calculating a second power according to the second voltage and the corresponding second current, integrating the second power to obtain a second energy.

[0057] Step S40: Calculate the difference between the second energy and the first energy to obtain the reaction heat of the sample in the first reaction cylinder.

[0058] The above steps are further described below through specific embodiments.

[0059] Step 10: adjusting the first voltage and the first current of the laser according to a preset first proportional integral differential parameter, controlling the laser to heat the first reaction cylinder so that the temperature in the first reaction cylinder reaches a preset target temperature, and recording the real-time first voltage and first current, wherein a sample is arranged in the first reaction cylinder.

[0060] Specifically, a sample is arranged in the first reaction cylinder, and the real-time voltage and the real-time current of the input laser are recorded as the first voltage and the first current. The first voltage and the first current of the input laser can be adjusted according to the first proportional integral differential parameter so that the temperature in the first reaction cylinder reaches a preset target temperature.

[0061] Step S20, adjusting the second voltage and the second current of the laser according to the preset second proportional integral differential parameter, controlling the laser to heat the second reaction cylinder so that the temperature in the second reaction cylinder reaches the target temperature, and recording the real-time second voltage and second current, wherein no sample is set in the second reaction cylinder.

[0062] Specifically, no sample is set in the second reaction cylinder, and the real-time voltage and real-time current of the input laser are recorded as the second voltage and the second current. The second voltage and the second current of the input laser can be adjusted according to the second proportional integral differential parameter so that the temperature in the second reaction cylinder reaches the preset target temperature.

[0063] Specifically, two reaction cylinders are provided, and lasers are disposed in both reaction cylinders. When a sample is placed in the reaction cylinder, the laser can be used to heat the sample. One of the reaction cylinders is recorded as a first reaction cylinder, and the other reaction cylinder is recorded as a second reaction cylinder. For comparison, a sample can be disposed in the first reaction cylinder, and no sample can be disposed in the second reaction cylinder.

[0064] Specifically, in order to achieve high-precision control of the laser over the heating process, in the first reaction cylinder, the input signal of the laser can be configured as a first proportional integral derivative (PID) parameter, and the output of the laser can be controlled by setting the first proportional integral derivative parameter. Similarly, in the second reaction cylinder, the input signal of the laser can be configured as a second proportional integral derivative parameter.

[0065] Specifically, since the sample is arranged in the first reaction cylinder and the sample is not arranged in the second reaction cylinder, the laser in the first reaction cylinder can be used for heating treatment, and the temperature in the first reaction cylinder reaches the target temperature. Similarly, the laser in the second reaction cylinder is used for heating treatment, and the temperature in the second reaction cylinder also reaches the target temperature. The sample is arranged in the first reaction cylinder. During the process of the laser heating the sample, the sample will generate thermal behavior and enthalpy change, and heating phenomenon or heat absorption phenomenon will occur. The heat generated by the enthalpy change needs to be analyzed.

[0066] In addition, in order to record the thermal behavior of the sample during the heating process, the temperature in the first reaction cylinder reaches the target temperature, and the temperature in the second reaction cylinder also reaches the target temperature, and the first proportional integral differential parameter and the second proportional integral differential parameter are set to different values.

[0067] After analysis, it can be known that since the temperature in the first reaction cylinder and the temperature in the second reaction cylinder have both risen to the target temperature, it can be considered that the consumed heat is the same. Since the heat sources in the first reaction cylinder include the heating of the laser and the reaction heat of the sample, and the heat source in the second reaction cylinder is only the heating of the laser. By comparing the input energy of the laser in the first reaction cylinder with the input energy of the laser in the second reaction cylinder, the reaction heat of the sample in the first reaction cylinder can be known.

[0068] Step S30, calculating a first power according to the first voltage and the corresponding first current, integrating the first power to obtain a first energy; calculating a second power according to the second voltage and the corresponding second current, integrating the second power to obtain a second energy.

[0069] Specifically, the power corresponding to the laser in the first reaction cylinder can be obtained by multiplying the first voltage and the first current, which can be recorded as the first power. The first power is integrated to obtain the first energy, which corresponds to the input energy of the laser and can also be expressed as the heating energy of the laser.

[0070] Specifically, the power corresponding to the laser in the second reaction cylinder can be obtained by multiplying the second voltage and the second current, which can be recorded as the second power. The second power is integrated to obtain the second energy, which corresponds to the input energy of the laser and can also be expressed as the heating energy of the laser.

[0071] Step S40: Calculate the difference between the second energy and the first energy to obtain the reaction heat of the sample in the first reaction cylinder.

[0072] Specifically, by calculating the difference between the second energy and the first energy, the difference between the input energy of the laser in the first reaction cylinder and the input energy of the laser in the second reaction cylinder can be obtained. The difference between the input energy of the laser in the first reaction cylinder and the input energy of the laser in the second reaction cylinder can also be expressed as the difference between the heating energy of the laser in the first reaction cylinder and the heating energy of the laser in the second reaction cylinder. Calculating the difference between the second energy and the first energy, that is, calculating the difference between the heating energy of the laser in the first reaction cylinder and the heating energy of the laser in the second reaction cylinder, can thus obtain the reaction heat of the sample in the first reaction cylinder.

[0073] See also Figure 1 and Figure 2 In one embodiment of the present invention, in the laser heating test method, in the first reaction cylinder, the first voltage and the first current input to the laser are configured with the first proportional integral differential parameter; in the second reaction cylinder, the second voltage and the second current input to the laser are configured with the second proportional integral differential parameter, and the following steps may be included.

[0074] In the first reaction cylinder, the first voltage and the first current input to the laser are configured with a first proportional parameter, a first integral parameter and a first differential parameter, and the first proportional parameter, the first integral parameter and the first differential parameter are combined to form a first proportional integral differential parameter.

[0075] In the second reaction cylinder, the second voltage and the second current input to the laser are configured with a second proportional parameter, a second integral parameter and a second differential parameter, and the second proportional parameter, the second integral parameter and the second differential parameter are combined to form a second proportional integral differential parameter, wherein the first proportional integral differential parameter and the second proportional integral differential parameter are different.

[0076] Specifically, Figure 2 , Figure 3 and Figure 4As shown, on the control ends corresponding to the first reaction cylinder and the second reaction cylinder, a first parameter frame of the laser input signal in the first reaction cylinder and a second parameter frame of the laser input signal in the second reaction cylinder can be provided, and both the first parameter frame and the second parameter frame include proportional, integral and differential parts, and the first parameter frame and the second parameter frame are used to generate a control parameter interface and display it.

[0077] like Figure 2 As shown, in the proportion, integration, and differentiation part of the first parameter frame, the input signal of the laser in the first reaction cylinder is configured as the first proportional integral differential parameter. In the proportion, integration, and differentiation part of the second parameter frame, the input signal of the laser in the second reaction cylinder is configured as the second proportional integral differential parameter.

[0078] Specifically, Figure 2 As shown, a control parameter interface 10 can be formed on the control ends corresponding to the first reaction cylinder and the second reaction cylinder. On the control parameter interface 10, a first parameter box of the laser input signal in the first reaction cylinder and a second parameter box of the laser input signal in the second reaction cylinder can be displayed to facilitate the setting of proportional integral derivative (PID) parameters of the laser input signal.

[0079] See also Figure 1 , Figure 2 and Figure 3 In one embodiment of the present invention, in step S10, in the first reaction cylinder, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, and the laser is controlled to heat so that the temperature in the first reaction cylinder reaches a preset target temperature, including the following steps.

[0080] Step S101: In a first reaction cylinder, a first voltage and a first current of a laser are adjusted according to an initial first proportional integral differential parameter to control the laser for heating.

[0081] Step S102: When the temperature in the first reaction cylinder reaches a preset temperature range, the first proportional integral differential parameter is adjusted, and the laser is controlled to continue heating until the temperature in the first reaction cylinder reaches a preset target temperature.

[0082] Specifically, throughout the heating process, the three components of the PID controller work together to ensure that the system can respond quickly to changes in the setpoint while smoothly reaching and maintaining the target temperature. Correct adjustment of the Kp, Ki, and Kd parameters is essential to achieve good control performance. The choice of parameters depends on the needs of the specific application and the dynamic characteristics of the system. For example, in applications that require fast response, more emphasis may be placed on proportional and differential control; while in cases where steady-state errors need to be eliminated, the integral action needs to be appropriately increased.

[0083] Specifically, in step S102, when the temperature in the first reaction cylinder reaches a preset temperature range, the step of adjusting the first proportional integral differential parameter includes the following steps.

[0084] Step S1021, matching the first proportional-integral-differential parameter with a preset temperature range.

[0085] Step S1022: When the temperature in the first reaction cylinder reaches a certain temperature range, the first proportional integral differential parameter is adjusted to correspond to the certain temperature range, and the first voltage and the first current are adjusted according to the first proportional integral differential parameter corresponding to the certain temperature range.

[0086] See also Figure 1 , Figure 2 and Figure 3 In one embodiment of the present invention, in step S10, in the first reaction cylinder, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, and the step of controlling the laser to heat may include step S110, step S120, and step S130.

[0087] Step S110: In the first reaction cylinder, a first voltage and a first current of the laser are set as initial parameters and heating is performed, and the temperature in the first reaction cylinder is compared with a preset normal temperature.

[0088] Step S120: When the temperature inside the first reaction cylinder reaches a normal temperature, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter to control the laser for heating so that the temperature inside the first reaction cylinder reaches a preset target temperature.

[0089] Step S130: When the temperature in the first reaction cylinder cannot reach the normal temperature, the fault information of the laser is generated.

[0090] Specifically, the first reaction cylinder is first heated to a preset normal temperature to determine whether the laser in the first reaction cylinder can be heated normally. If the laser in the first reaction cylinder can be heated normally to the normal temperature, that is, the laser can be heated normally, the laser is then heated according to the first proportional integral differential parameter so that the temperature in the first reaction cylinder reaches the preset target temperature, and the heating time is recorded. If the laser in the first reaction cylinder cannot be heated normally to the normal temperature, that is, the laser cannot be heated normally, fault information of the laser is generated.

[0091] In addition, if Figure 2 and Figure 3 As shown, on the control parameter interface, input boxes for preset target temperature and temperature rise rate, as well as start and stop buttons corresponding to the first parameter box can also be provided. Set the target temperature in the preset target temperature input box, and set the temperature rise rate value in the temperature rise rate input box. In the first reaction cylinder, the real-time voltage and real-time current output by the laser are recorded as the first voltage and the first current. Click the start button corresponding to the first parameter box to control the laser to heat according to the first proportional integral differential parameter so that the temperature in the first reaction cylinder reaches the preset target temperature.

[0092] Specifically, Figure 2 and Figure 3 As shown, on the control parameter interface 10, a control center (Control center), manual control (Manual) and safety setting parts can be provided. Among them, the control center may include an input box for the target temperature (Target template), a setting (Set) button corresponding to the input box for the target temperature, an input box for the temperature increase rate, a setting button corresponding to the input box for the temperature increase rate, an input box corresponding to the first proportional integral differential parameter, which are respectively proportional (P1, Proportional), integral (I1, Integral), and differential (D1, Derivative), an input box corresponding to the second proportional integral differential parameter, which are respectively proportional (P2, Proportional), integral (I2, Integral), and differential (D2, Derivative), a start (PID1 start) and a stop button (PID1 stop) corresponding to the first parameter box, and a start (PID2 start) and a stop button (PID2 stop) corresponding to the second parameter box.

[0093] In addition, if Figure 2 , Figure 3 and Figure 4As shown, on the control parameter interface, a start and stop button corresponding to the second parameter box is also provided. In the second reaction cylinder, the real-time voltage and real-time current output by the laser are recorded as the second voltage and the second current. Without clicking the start button corresponding to the second parameter box, after the laser in the second reaction cylinder is adjusted by the second proportional integral differential parameter, the increased temperature of the corresponding second reaction cylinder is set as the target temperature.

[0094] See also Figure 1 , Figure 2 and Figure 3 In one embodiment of the present invention, in step S10, in the first reaction cylinder, the step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter may include step S140, step S150 and step S160.

[0095] Step S140: In the first reaction cylinder, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, the monitored real-time voltage is compared with a preset voltage threshold, and the monitored real-time current is compared with a preset current threshold.

[0096] Step S150: When the monitored real-time voltage is greater than or equal to the voltage threshold, the voltage threshold is used as the input voltage of the laser; when the monitored real-time voltage is less than the voltage threshold, the monitored real-time voltage is used as the input voltage of the laser.

[0097] Step S160: When the monitored real-time current is greater than or equal to the current threshold, the current threshold is used as the input current of the laser; when the monitored real-time current is less than the current threshold, the monitored real-time current is used as the input current of the laser.

[0098] See also Figure 1 , Figure 2 and Figure 3 In one embodiment of the present invention, in step S20, in the second reaction cylinder, the step of adjusting the second voltage and the second current of the laser according to the second proportional integral differential parameter may include step S210, step S220 and step S230.

[0099] Step S210: In the second reaction cylinder, the second voltage and the second current of the laser are adjusted according to the second proportional integral differential parameter, the monitored real-time voltage is compared with a preset voltage threshold, and the monitored real-time current is compared with a preset current threshold.

[0100] Step S220: When the monitored real-time voltage is greater than or equal to the voltage threshold, the voltage threshold is used as the input voltage of the laser; when the monitored real-time voltage is less than the voltage threshold, the monitored real-time voltage is used as the input voltage of the laser.

[0101] Step S230: When the monitored real-time current is greater than or equal to the current threshold, the current threshold is used as the input current of the laser; when the monitored real-time current is less than the current threshold, the monitored real-time current is used as the input current of the laser.

[0102] Specifically, Figure 2 , Figure 3 and Figure 4 As shown, a current threshold input box and a voltage threshold input box are provided on the control parameter interface, wherein the current threshold input box is used to limit the maximum and minimum values ​​of the output current of the laser in the first reaction cylinder and the laser in the second reaction cylinder, and the voltage threshold input box is used to limit the maximum and minimum values ​​of the output voltage of the laser in the first reaction cylinder and the laser in the second reaction cylinder.

[0103] Specifically, Figure 2 and Figure 3 As described above, the current threshold input box may include a minimum current input box (Mincurrent) and a maximum current input box (Maxcurrent), and the voltage threshold input box may include a minimum voltage input box (Minvoltage) and a maximum voltage input box (Maxvoltage).

[0104] See also Figure 1 , Figure 2 and Figure 3 In one embodiment of the present invention, in step S20, the second voltage and the second current of the laser are adjusted according to the preset second proportional integral differential parameters, and after the step of controlling the laser to heat in the second reaction cylinder, it may include steps S2001 and S2002.

[0105] Step S2001, recording the real-time temperature in the first reaction cylinder, and generating a first temperature-time curve, wherein the first temperature-time curve is used to reflect the relationship between the real-time temperature in the first reaction cylinder and the target temperature.

[0106] Step S2002, recording the real-time temperature in the second reaction cylinder, and generating a second temperature-time curve, wherein the second temperature-time curve is used to reflect the relationship between the real-time temperature in the second reaction cylinder and the target temperature.

[0107] Specifically, Figure 2 and Figure 3As shown, the monitoring parameter interface 20 may include laser monitoring (Lasermonitor), energy monitoring (Sourcemonitor) and proportional integral derivative (PID) monitoring (PID monitor). The laser monitoring part may include the temperature (TC1) in the first reaction cylinder, the temperature (TC2) in the second reaction cylinder, the environment temperature (Environment) and the environment change rate (Grad).

[0108] Specifically, the energy monitoring part may include the energy output (Source1out), the first voltage (Source 1V), the first current (Source 1I), and the first power (Source 1P) corresponding to the laser in the first reaction cylinder, as well as the energy output (Source 1out), the second voltage (Source 2V), the second current (Source 2I), the second power (Source 2P) corresponding to the laser in the second reaction cylinder, and the power difference between the first power and the second power (W2-W1, or W1-W2, not shown in the figure).

[0109] Specifically, the proportional integral derivative monitoring (PID monitor) part may include the operating status (Working), error value (Error), integral term cumulative value (Integral), differential term value (Deriv), proportional term contribution value (P-contr), integral term contribution value (I-contr), differential term contribution value (D-contr) and final output value (output).

[0110] Specifically, Figure 2 , Figure 3 and Figure 4 As shown, on the coordinate graph 30, the temperature in the first reaction cylinder and the corresponding time period can be used to generate a first temperature curve, the temperature in the second reaction cylinder and the corresponding time period can be used to generate a second temperature curve, and the target temperature and the corresponding time period can be used to generate a target temperature curve. Among them, the first temperature curve (TC1) is a red curve, the second temperature curve (TC2) is a green curve, and the target temperature curve (Target) is a blue curve. Since the laser in the second reaction cylinder is not heated, the temperature in the second reaction cylinder is only at the temperature corresponding to the initial parameters, and no actual changes occur.

[0111] See also Figure 1In one embodiment of the present invention, in step S30, a first power is calculated based on the first voltage and the corresponding first current, and the first power is integrated to obtain a first energy; a second power is calculated based on the second voltage and the corresponding second current, and the second power is integrated to obtain a second energy, including steps S310 and S320.

[0112] Step S310: Calculate the first power according to the first voltage and the corresponding first current, record the corresponding first heating time when the temperature in the first reaction cylinder reaches the target temperature, and integrate the first power over the first heating time to obtain the first energy.

[0113] Step S320: Calculate the second power according to the second voltage and the corresponding second current; when the temperature in the second reaction cylinder reaches the target temperature, record the corresponding second heating time; and integrate the second power over the second heating time to obtain the second energy.

[0114] See also Figure 5 In one embodiment of the present invention, the present invention further proposes a laser heating test system, which may include a reaction cylinder 110 , a monitoring unit 120 , and a processing unit 130 .

[0115] There are two reaction cylinders 110 . The first reaction cylinder 110 is used to place the sample to be tested, and the second reaction cylinder 110 is not used to place the sample.

[0116] The monitoring unit 120 is used to record the real-time first voltage and first current of the input laser in the first reaction cylinder 110 ; and is used to record the real-time second voltage and second current of the input laser in the second reaction cylinder 110 .

[0117] The processing unit 130 is also used to adjust the first voltage and the first current of the laser according to the preset first proportional integral differential parameter, and control the laser to heat the first reaction cylinder 110 so that the first reaction cylinder 110 degrees reaches a preset target temperature; and to adjust the second voltage and the second current of the laser according to the preset second proportional integral differential parameter, and control the laser to heat the second reaction cylinder 110 so that the second reaction cylinder 110 degrees reaches the target temperature.

[0118] The processing unit 130 is further configured to calculate a first power according to the first voltage and the corresponding first current, and integrate the first power to obtain a first energy; calculate a second power according to the second voltage and the corresponding second current, and integrate the second power to obtain a second energy.

[0119] The processing unit 130 is further used to calculate the difference between the second energy and the first energy to obtain the reaction heat of the sample in the first reaction cylinder.

[0120] See also Figure 5 In one embodiment of the present invention, the test system further includes a configuration unit 140. The configuration unit 140 is used to configure the first voltage and the first current of the input laser with a first proportional parameter, a first integral parameter and a first differential parameter in the first reaction cylinder 110, and to combine the first proportional parameter, the first integral parameter and the first differential parameter to form a first proportional integral differential parameter. The configuration unit 140 is also used to configure the second voltage and the second current of the input laser with a second proportional parameter, a second integral parameter and a second differential parameter in the second reaction cylinder 110, and to combine the second proportional parameter, the second integral parameter and the second differential parameter to form a second proportional integral differential parameter. The first proportional integral differential parameter and the second proportional integral differential parameter are different.

[0121] In summary, the laser heating test method and test system disclosed in the present invention improve the accuracy of temperature control and the convenience of operation, and provide strong experimental data support for researchers through real-time data monitoring and recording functions, which is suitable for various scenarios requiring precise thermal control and energy analysis. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0122] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A laser heating test method, characterized in that: The method comprises: The first voltage and the first current of the laser are adjusted according to a preset first proportional integral differential parameter, the laser is controlled to heat the first reaction cylinder so that the temperature in the first reaction cylinder reaches a preset target temperature, and the first voltage and the first current are recorded in real time, wherein a sample is arranged in the first reaction cylinder; The second voltage and the second current of the laser are adjusted according to the preset second proportional integral differential parameters, the laser is controlled to heat the second reaction cylinder so that the temperature in the second reaction cylinder reaches the target temperature, and the real-time second voltage and the second current are recorded, wherein no sample is arranged in the second reaction cylinder; Calculating a first power according to the first voltage and the corresponding first current, and integrating the first power to obtain a first energy; calculating a second power according to the second voltage and the corresponding second current, and integrating the second power to obtain a second energy; The difference between the second energy and the first energy is calculated to obtain the reaction heat of the sample in the first reaction cylinder.

2. The laser heating test method according to claim 1, characterized in that: The step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter in the first reaction cylinder to control the laser to heat so that the temperature in the first reaction cylinder reaches a preset target temperature includes: In the first reaction cylinder, a first voltage and a first current of the laser are adjusted according to an initial first proportional integral differential parameter to control the laser to perform heating; When the temperature in the first reaction cylinder reaches a preset temperature range, the first proportional integral differential parameter is adjusted, and the laser is controlled to continue heating until the temperature in the first reaction cylinder reaches a preset target temperature.

3. The laser heating test method according to claim 2, characterized in that: When the temperature in the first reaction cylinder reaches a preset temperature range, the step of adjusting the first proportional integral differential parameter comprises: Matching the first proportional-integral-differential parameter with a preset temperature range; When the temperature in the first reaction cylinder reaches a certain temperature range, the first proportional integral differential parameter is adjusted to correspond to the certain temperature range, and the first voltage and the first current are adjusted according to the first proportional integral differential parameter corresponding to the certain temperature range.

4. The laser heating test method according to claim 1, characterized in that: calculating a first power according to the first voltage and the corresponding first current, and integrating the first power to obtain a first energy; The step of calculating a second power according to the second voltage and the corresponding second current, and integrating the second power to obtain a second energy comprises: Calculating a first power according to the first voltage and the corresponding first current, recording a corresponding first heating time when the temperature in the first reaction cylinder reaches the target temperature, and integrating the first power over the first heating time to obtain a first energy; A second power is calculated according to the second voltage and the corresponding second current. When the temperature in the second reaction cylinder reaches the target temperature, the corresponding second heating time is recorded, and the second power is integrated over the second heating time to obtain a second energy.

5. The laser heating test method according to claim 1, characterized in that: The step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter in the first reaction cylinder, controlling the laser to heat, so that the temperature in the first reaction cylinder reaches a preset target temperature, and recording the first voltage and the first current comprises: In the first reaction cylinder, the first voltage and the first current of the laser are set as initial parameters and heating is performed, and the temperature in the first reaction cylinder is compared with a preset normal temperature: When the temperature in the first reaction cylinder reaches the normal temperature, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, and the laser is controlled to heat so that the temperature in the first reaction cylinder reaches a preset target temperature; When the temperature in the first reaction cylinder cannot reach the normal temperature, laser failure information is generated.

6. The laser heating test method according to claim 1, characterized in that: The step of adjusting the first voltage and the first current of the laser according to the first proportional integral differential parameter in the first reaction cylinder comprises: In the first reaction cylinder, the first voltage and the first current of the laser are adjusted according to the first proportional integral differential parameter, the monitored real-time voltage is compared with a preset voltage threshold, and the monitored real-time current is compared with a preset current threshold: When the monitored real-time voltage is greater than or equal to the voltage threshold, the voltage threshold is used as the input voltage of the laser; when the monitored real-time voltage is less than the voltage threshold, the monitored real-time voltage is used as the input voltage of the laser; When the monitored real-time current is greater than or equal to the current threshold, the current threshold is used as the input current of the laser; when the monitored real-time current is less than the current threshold, the monitored real-time current is used as the input current of the laser.

7. The laser heating test method according to claim 1, characterized in that: The step of adjusting the second voltage and the second current of the laser according to the second proportional integral differential parameter in the second reaction cylinder comprises: In the second reaction cylinder, the second voltage and the second current of the laser are adjusted according to the second proportional integral differential parameter, the monitored real-time voltage is compared with the preset voltage threshold, and the monitored real-time current is compared with the preset current threshold: When the monitored real-time voltage is greater than or equal to the voltage threshold, the voltage threshold is used as the input voltage of the laser; when the monitored real-time voltage is less than the voltage threshold, the monitored real-time voltage is used as the input voltage of the laser; When the monitored real-time current is greater than or equal to the current threshold, the current threshold is used as the input current of the laser; when the monitored real-time current is less than the current threshold, the monitored real-time current is used as the input current of the laser.

8. The laser heating test method according to claim 1, characterized in that: After the step of adjusting the second voltage and the second current of the laser according to the preset second proportional integral differential parameter to control the laser to heat in the second reaction cylinder, the method includes: Recording the real-time temperature in the first reaction cylinder and generating a first temperature-time curve, wherein the first temperature-time curve is used to reflect the magnitude relationship between the real-time temperature in the first reaction cylinder and the target temperature; The real-time temperature in the second reaction cylinder is recorded, and a second temperature-time curve is generated, where the second temperature-time curve is used to reflect the magnitude relationship between the real-time temperature in the second reaction cylinder and the target temperature.

9. A laser heating test system, characterized in that: The system comprises: Two reaction cylinders, the first reaction cylinder is used to set the sample to be tested, and the second reaction cylinder is not used to set the sample; A monitoring unit, for recording the first voltage and the first current input to the laser in real time in the first reaction cylinder; for recording the second voltage and the second current input to the laser in real time in the second reaction cylinder; a processing unit, for adjusting a first voltage and a first current of the laser according to a preset first proportional integral differential parameter, and controlling the laser to heat the first reaction cylinder so that the temperature in the first reaction cylinder reaches a preset target temperature; and for adjusting a second voltage and a second current of the laser according to a preset second proportional integral differential parameter, and controlling the laser to heat the second reaction cylinder so that the temperature in the second reaction cylinder reaches the target temperature; The processing unit is further configured to calculate a first power according to the first voltage and the corresponding first current, and integrate the first power to obtain a first energy; calculate a second power according to the second voltage and the corresponding second current, and integrate the second power to obtain a second energy; The processing unit is further used to calculate the difference between the second energy and the first energy to obtain the reaction heat of the sample in the first reaction cylinder.

10. The laser heating test system according to claim 9, characterized in that: The system further comprises: A configuration unit, configured to configure a first proportional parameter, a first integral parameter and a first differential parameter for a first voltage and a first current input to the laser in the first reaction cylinder, and to combine the first proportional parameter, the first integral parameter and the first differential parameter to form a first proportional integral differential parameter; The configuration unit is also used to configure the second voltage and the second current input to the laser into a second proportional parameter, a second integral parameter and a second differential parameter in the second reaction cylinder, and combine the second proportional parameter, the second integral parameter and the second differential parameter to form a second proportional integral differential parameter; The first proportional-integral-differential parameter and the second proportional-integral-differential parameter are different.

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