CN117583755A - Laser with temperature measuring function - Google Patents
Laser with temperature measuring function Download PDFInfo
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- CN117583755A CN117583755A CN202311542524.9A CN202311542524A CN117583755A CN 117583755 A CN117583755 A CN 117583755A CN 202311542524 A CN202311542524 A CN 202311542524A CN 117583755 A CN117583755 A CN 117583755A
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- 230000005855 radiation Effects 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000009529 body temperature measurement Methods 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 30
- 230000003287 optical effect Effects 0.000 description 16
- 239000013307 optical fiber Substances 0.000 description 11
- 238000012545 processing Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
- G01J5/0018—Flames, plasma or welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/0014—Measuring characteristics or properties thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention relates to the technical field of lasers, and discloses a laser with a temperature measuring function, which comprises a laser module, a temperature measuring module and a temperature measuring module, wherein the laser module is used for generating working laser; the light splitting unit is arranged between the laser module and the transmission module and is used for transmitting working laser into the transmission module; the transmission module is used for outputting working laser to an application point, receiving heat radiation light generated by the application point, transmitting the heat radiation light to the light splitting unit, reflecting the heat radiation light to the temperature measuring module by the light splitting unit, integrating the temperature measuring module in the laser module, determining the temperature of the application point according to the received heat radiation light, reversely transmitting the heat radiation light to the temperature measuring module built in the laser module through the transmission module and the light splitting unit, sharing the same transmission light path in the transmission module by the heat radiation light and the working laser, and realizing the high coincidence of the working laser action point and the temperature measuring point, thereby being capable of accurately measuring the accuracy of the actual temperature of the laser action point.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a laser with a temperature measuring function.
Background
In the laser application field, the temperature of the laser action point is a critical parameter. If in the laser welding field, the stability of laser energy has a great influence on the welding effect, especially on temperature sensitive materials, components and parts and the like, the temperature stability of the welding point directly reflects the stability of the laser energy, and the high or low temperature stability can cause welding failure and increase the rejection rate.
In the current laser processing technology, the temperature measuring module and the laser module are separated, the laser light path and the detection light path of the temperature measuring point are generally completely separated or share a part coaxially, and then the temperature measuring light path and the output light path of the laser are ensured to coincide by means of mechanical piece debugging and fixing optical elements such as beam splitters, prisms and the like, so that the processing and the temperature measurement are realized. However, the machining precision, the debugging precision and the installation precision among mechanical parts, the temperature change and the mechanical vibration in the use process are easy to cause deviation of the coincidence degree of the two light paths, so that the deviation of the laser action point and the temperature measuring point is caused, and the precision of measuring the actual temperature of the laser action point is lower.
Disclosure of Invention
In view of the above, the invention provides a laser with a temperature measuring function, so as to solve the problem of lower accuracy of measuring the actual temperature of a laser action point of the existing laser.
The invention provides a laser with a temperature measuring function, which comprises: the laser module is used for generating working laser; the light splitting unit is arranged between the laser module and the transmission module and is used for transmitting the working laser into the transmission module; the transmission module is used for outputting the working laser to an application point, receiving thermal radiation light generated by the application point, transmitting the thermal radiation light to the light splitting unit, and reflecting the thermal radiation light to the temperature measuring module by the light splitting unit, wherein the thermal radiation light and the working laser share the same transmission light path in the transmission module; the temperature measuring module is integrated in the laser module and is used for determining the temperature of the application point according to the received heat radiation light.
Optionally, the beam splitting unit adopts a beam splitter, and the beam splitter has a transmission function on light of a wave band where the working laser is located and has a reflection function on the thermal radiation light.
Optionally, the transmission unit includes a coupling lens for coupling the working laser into the transmission fiber, a transmission fiber, and a beam shaping unit for adjusting a power density distribution and a beam shape and size of the working laser and coupling the thermal radiation light into the transmission fiber.
Optionally, the laser module includes a light emitting unit for generating the working laser light and a reflecting mirror for reflecting the working laser light to the beam splitting unit.
Optionally, the temperature measurement module includes a light filter and a temperature measurement device, the light filter is disposed between the temperature measurement device and the light splitting unit, the light filter is used for filtering stray light and transmitting the thermal radiation light into the temperature measurement device, and the temperature measurement device determines the temperature of the application point according to the received thermal radiation light.
Optionally, the temperature measuring device is a photoelectric conversion device or a spectrum measuring device.
Optionally, the laser with the temperature measuring function further comprises a temperature control system, the temperature control system is respectively connected with the laser module and the temperature measuring module, and the temperature control system is used for receiving the temperature measuring result measured by the temperature measuring unit and controlling the working parameters of working laser generated by the laser module according to the temperature measuring result.
Optionally, the temperature measurement module is connected with the temperature control system through a signal output line.
Optionally, the laser with the temperature measuring function further comprises a control module, wherein the control module is used for controlling the temperature measuring module to collect and analyze the heat radiation light in a time period when the laser module stops working.
Optionally, the working laser output by the laser module is continuous output laser or pulse output laser.
From the above technical solutions, the embodiment of the present invention has the following advantages:
the laser with the temperature measuring function provided by the invention integrates the temperature measuring module in the laser module, working laser generated by the laser unit is projected onto the action point of the processed object through the light splitting unit and the transmission module, heat radiation light of the action point is reversely transmitted and coupled into the transmission module and reversely transmitted onto the temperature measuring module arranged in the laser module through the transmission module and the light splitting unit, the heat radiation light and the working laser share the same transmission light path in the transmission module, and the laser is not influenced by mechanical processing precision and lens adjusting precision, so that the high coincidence of the action point of the working laser and the temperature measuring point is realized, and the precision of the actual temperature of the action point of the laser can be accurately measured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a laser with temperature measurement function according to an embodiment of the present invention.
Reference numerals illustrate:
1-a light emitting unit; a 2-mirror; a 3-spectroscopic unit; 4-coupling lenses; 5-transmission optical fiber; 6-an optical filter; 7-a temperature measuring device; 8-signal output lines; 9-a beam shaping unit; 10-an object to be processed; 11-action point.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the existing laser processing technology, a temperature measuring module and a laser module are separated, a laser light path and a detection light path of a temperature measuring point are generally completely separated or share a part coaxially, and then processing and temperature measurement are realized by means of mechanical piece debugging and fixing of optical elements such as a beam splitter, a prism and the like. However, the machining accuracy, the adjustment accuracy between the mechanical parts, the mounting accuracy, and the like, as well as the temperature change and the mechanical vibration during the use, easily cause the deviation of the laser action point and the temperature measurement point. Because the field of view of the optical element is large, heat radiation light outside the processing point can also have a certain influence on the temperature signal. Both of these factors result in less accurate measurement of the actual temperature of the laser action point. Based on the above, the invention provides a laser with a temperature measuring function.
The embodiment of the invention provides a laser with a temperature measuring function, as shown in fig. 1, the laser comprises: the laser module is used for generating working laser; the light splitting unit 3 is arranged between the laser module and the transmission module and is used for transmitting working laser into the transmission module; the transmission module is used for outputting working laser to an application point, receiving heat radiation light generated by the application point, transmitting the heat radiation light to the light splitting unit 3, and reflecting the heat radiation light to the temperature measurement module by the light splitting unit 3, wherein the heat radiation light and the working laser share the same transmission light path in the transmission module; and the temperature measuring module is integrated in the laser module and is used for determining the temperature of the application point according to the received heat radiation light.
Specifically, the laser module and the temperature measuring module are located in the same housing, and the action point 11 is an action area of working laser and is located on the object 10 to be processed. The working laser generated by the laser module is transmitted to the transmission module through the light splitting unit 3, then the working laser is output to the action point 11 through the transmission module, meanwhile, the heat radiation light of the action point 11 of the processed object 10 is transmitted to the light splitting unit 3 through the direction of the transmission module, the light splitting unit 3 has high reflection characteristic on the heat radiation light, the heat radiation light can be reflected to the temperature measuring module, the temperature measuring module analyzes and processes the spectrum or the radiation intensity of the heat radiation light, and a temperature measuring result is obtained, so that the real-time accurate measurement of the temperature of the laser action point 11 is realized.
It should be understood that the wavelength of the working laser is not limited and may be any laser beam generated by the working substance.
According to the laser with the temperature measuring function, the temperature measuring module is integrated in the laser module, working laser generated by the laser unit is projected onto the action point 11 of the processed object 10 through the light splitting unit 3 and the transmission module, heat radiation light of the action point 11 is reversely transmitted and coupled into the transmission module, the heat radiation light and the working laser share the same transmission light path in the transmission module and are not influenced by machining precision and lens adjusting precision, the height coincidence of the action point 11 and the temperature measuring point is achieved, and therefore the precision of the actual temperature of the laser action point 11 can be accurately measured.
The laser with the temperature measuring function provided by the embodiment of the invention also omits a common independent temperature measuring light path, saves space and ensures that the structure is more compact.
In an alternative embodiment, the beam splitting unit 3 employs a beam splitter, which has a transmission effect on light in a wavelength band where the working laser is located, and has a reflection effect on heat radiation light.
Specifically, the spectroscope is a high-transmission working laser and other wave band high-reflection spectroscope and is any one of a prism, a flat sheet or other optical devices with wave band spectroscope functions. The beam splitter almost completely transmits light of a wavelength band where the working laser is located and almost completely reflects heat radiation light, so that the beam splitter can be used for reflecting the heat radiation light returned from the action point 11 to the temperature measuring module and transmitting the working laser.
In an alternative embodiment the transmission unit comprises a coupling lens 4, a transmission fiber 5 and a beam shaping unit 9, the coupling lens 4 being arranged to couple the working laser light into the transmission fiber 5, the beam shaping unit 9 being arranged to adjust the power density distribution of the working laser light and the beam shape and size and to optically couple the thermal radiation into the transmission fiber 5.
Specifically, the beam shaping unit 9 can adjust and optimize the power density distribution of the working laser and the beam shape and size according to actual needs, and may be an optical device such as an aspherical lens, a fly eye lens array, and the like.
The coupling lens 4 and the beam shaping unit 9 are high-transmission devices for working laser and thermal radiation optical wave bands
After the action point 11 is irradiated by working laser, the radiation intensity of the generated heat radiation light can be correspondingly changed along with the temperature change of the working laser, the heat radiation light can be coupled into the transmission optical fiber 5 through the beam shaping unit 9, transmitted through the transmission optical fiber 5, collected by the temperature measuring module after passing through the coupling lens 4 and the spectroscope, and the working laser and the heat radiation light are both transmitted in the transmission optical fiber 5, so that the light paths of the working laser and the heat radiation light are coincident.
The transmission optical fiber 5 is adopted to transmit the heat radiation light, the optical fiber has the limit of the core diameter and the numerical aperture, the heat radiation outside the action point 11 can rarely return to the temperature measuring module through the optical fiber, the heat radiation light transmitted to the temperature measuring module by the optical fiber is analyzed and processed, and the temperature value of the laser action point 11 can be accurately obtained.
In an alternative embodiment, the laser module comprises a light emitting unit 1 for generating the working laser light and a mirror 2 for reflecting the working laser light to a light splitting unit 3.
Specifically, the light emitting unit 1 includes a plurality of semiconductor laser chips each provided with a corresponding mirror 2, and working laser light generated by the semiconductor laser chips is reflected into the light splitting unit 3 by the corresponding mirrors 2. Working lasers emitted by the semiconductor laser chips sequentially pass through the corresponding reflecting mirrors 2, then pass through the spectroscope and the coupling lens 4, are coupled into the transmission optical fiber 5, are transmitted to the beam shaping unit 9 through the transmission optical fiber 5, and the beam shaping unit 9 irradiates the shaped working lasers to the action point 11 on the processed object 10.
In an alternative embodiment, the temperature measuring module comprises a light filter 6 and a temperature measuring device 7, the light filter 6 is arranged between the temperature measuring device 7 and the light splitting unit 3, the light filter 6 is used for filtering stray light and transmitting heat radiation light into the temperature measuring device 7, and the temperature measuring device 7 determines the temperature of the application point according to the received heat radiation light.
Specifically, the temperature measuring means 7 measures the temperature by analyzing the spectrum of the thermal radiation or analyzing the intensity of the thermal radiation. The optical filter 6 is one or a plurality of lenses with different filtering ranges, is a film-coated optical device or a non-film-coated device, such as a silicon chip and other special materials, and can filter stray light (including working laser) in the laser, so that the accuracy of a temperature measurement result is effectively improved.
In an alternative embodiment, the temperature measuring device 7 is a photoelectric conversion device or a spectral measuring device.
Specifically, the temperature measuring device 7 may be a photoelectric conversion device that can determine the temperature using the measured radiant energy converted into an electrical analog quantity in a selected wavelength range. When the temperature measuring module includes a plurality of temperature measuring devices 7, each temperature measuring device 7 can measure radiant energy in different wavelength ranges, so that the ratio of radiant energy in a plurality of different wavelength ranges can be used for determining the temperature, and the temperature measuring result of the plurality of photoelectric conversion devices is more accurate than that of a single photoelectric conversion device. The temperature measuring device 7 may also be a spectral measuring device, such as a spectrometer, which is capable of measuring spectral intensities over a larger wavelength range, so that the accuracy of the measurement results is greater than a plurality of photoelectric conversion devices.
In an alternative embodiment, the laser with the temperature measuring function further comprises a temperature control system, the temperature control system is respectively connected with the laser module and the temperature measuring module, and the temperature control system is used for receiving the temperature measuring result measured by the temperature measuring unit and controlling the working parameters of the working laser generated by the laser module according to the temperature measuring result.
Specifically, the temperature control system receives the temperature measurement result of the laser action point 11 fed back by the at least one temperature measurement device 7 through the signal output line 8, and controls the output power, the pulse frequency, and the like of the light emitting unit 1 according to the temperature measurement result, for example, when the temperature exceeds a prescribed maximum temperature, the input current is reduced to reduce the output power of the light emitting unit 1.
In an alternative embodiment, the working laser output by the laser module is a continuous output laser or a pulsed output laser.
The working laser may also be in a pulsed light output mode in addition to a continuous output. The laser can also comprise a control module, and under the action of the control module, the temperature measuring device 7 can collect and analyze the spectrum or the radiation intensity of the radiation of the laser action point 11 at the moment when the working laser stops working. The control module may be the temperature control system mentioned above, or any other device capable of achieving the same effect, such as a single chip microcomputer.
In the prior art, the optical path of the laser fiber output is different from the optical path of the temperature measuring fiber, so that the coincidence ratio between the two optical paths needs to be improved when the optical path is built, if the two optical paths are not completely coincident, the inaccuracy of the temperature measuring result is caused, but the laser with the temperature measuring function of the embodiment of the invention realizes the output and the temperature measurement through the same optical path, and the spectroscope is utilized to directly output the laser beam and simultaneously reflect the radiation light to the temperature measuring device 7, so that the welding point and the temperature measuring point are completely coincident without errors, and the accuracy of the temperature measuring result is improved.
In addition, the laser with the temperature measuring function in the embodiment of the invention utilizes the transmission optical fiber 5 to transmit the heat radiation light, so that the influence of the heat radiation outside the action point 11 on the temperature signal can be reduced, and the accuracy of the temperature measuring result is enhanced.
By combining the two points, the embodiment of the invention greatly improves the accuracy of temperature measurement and simplifies the optical structure.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. A laser with temperature measurement, comprising:
the laser module is used for generating working laser;
the light splitting unit is arranged between the laser module and the transmission module and is used for transmitting the working laser into the transmission module;
the transmission module is used for outputting the working laser to an application point, receiving thermal radiation light generated by the application point, transmitting the thermal radiation light to the light splitting unit, and reflecting the thermal radiation light to the temperature measuring module by the light splitting unit, wherein the thermal radiation light and the working laser share the same transmission light path in the transmission module;
the temperature measuring module is integrated in the laser module and is used for determining the temperature of the application point according to the received heat radiation light.
2. The laser with temperature measurement function according to claim 1, wherein the beam splitter unit employs a beam splitter, and the beam splitter has a transmission function for light in a wavelength band where the working laser is located and a reflection function for the heat radiation light.
3. The thermometric function laser of claim 1, wherein the transmission unit comprises a coupling lens for coupling the working laser into the transmission fiber, a transmission fiber and a beam shaping unit for adjusting a power density distribution and a beam shape and size of the working laser and coupling the thermal radiation light into the transmission fiber.
4. The laser with temperature measurement function according to claim 1, wherein the laser module includes a light emitting unit for generating the working laser light and a reflecting mirror for reflecting the working laser light to the spectroscopic unit.
5. The laser with the temperature measuring function according to claim 1, wherein the temperature measuring module comprises a light filter and a temperature measuring device, the light filter is arranged between the temperature measuring device and the light splitting unit, the light filter is used for filtering stray light and transmitting the thermal radiation light into the temperature measuring device, and the temperature measuring device determines the temperature of the application point according to the received thermal radiation light.
6. The laser with temperature measurement function according to claim 5, wherein the temperature measurement device is a photoelectric conversion device or a spectrum measurement device.
7. The laser with the temperature measuring function according to claim 1, further comprising a temperature control system, wherein the temperature control system is respectively connected with the laser module and the temperature measuring module, and is used for receiving a temperature measuring result measured by the temperature measuring unit and controlling working parameters of working laser generated by the laser module according to the temperature measuring result.
8. The laser with temperature measurement function according to claim 7, wherein the temperature measurement module is connected to the temperature control system through a signal output line.
9. The laser with temperature measurement function according to claim 1, further comprising a control module for controlling the temperature measurement module to collect and analyze the heat radiation light during a period of time when the laser module is stopped.
10. The laser with temperature measurement function according to claim 1, wherein the working laser output by the laser module is continuous output laser or pulse output laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311542524.9A CN117583755A (en) | 2023-11-17 | 2023-11-17 | Laser with temperature measuring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311542524.9A CN117583755A (en) | 2023-11-17 | 2023-11-17 | Laser with temperature measuring function |
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| CN202311542524.9A Pending CN117583755A (en) | 2023-11-17 | 2023-11-17 | Laser with temperature measuring function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118962719A (en) * | 2024-10-16 | 2024-11-15 | 吉林财经大学 | Laser scanning imaging and temperature measurement system and method for campus classroom environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118962719A (en) * | 2024-10-16 | 2024-11-15 | 吉林财经大学 | Laser scanning imaging and temperature measurement system and method for campus classroom environment |
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