CN110544862A - air-cooled fiber laser system and method capable of automatically adjusting temperature - Google Patents
air-cooled fiber laser system and method capable of automatically adjusting temperature Download PDFInfo
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- CN110544862A CN110544862A CN201910772601.7A CN201910772601A CN110544862A CN 110544862 A CN110544862 A CN 110544862A CN 201910772601 A CN201910772601 A CN 201910772601A CN 110544862 A CN110544862 A CN 110544862A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
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- H01S3/0404—Air- or gas cooling, e.g. by dry nitrogen
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Abstract
The invention discloses an air-cooled fiber laser system and method capable of automatically adjusting temperature, wherein the laser system comprises: the first radiating substrate and the second radiating substrate are oppositely arranged to form a radiating air channel, and the radiating air channel is positioned between the first radiating substrate and the second radiating substrate; the air supply device is positioned at one end of the heat dissipation air duct and is connected with the first heat dissipation device and the second heat dissipation device; the air draft device is positioned at the other end of the heat dissipation air duct and is connected with the first heat dissipation device and the second heat dissipation device; the temperature measuring module is fixed on a first heat dissipation substrate close to the air draft device; wherein, control module is connected with temperature measurement module, air supply arrangement and updraft ventilator electricity respectively, and control module is used for generating the rotational speed instruction according to the temperature parameter that temperature measurement module acquireed to control air supply arrangement and updraft ventilator's slew velocity. The invention realizes real-time monitoring and regulation of the temperature of the laser system, ensures the stability of the output power of the laser system and protects the performance of the internal components of the laser system.
Description
Technical Field
The invention relates to the field of laser processing, in particular to an air-cooled fiber laser system and an air-cooled fiber laser method capable of automatically adjusting temperature.
background
The laser processing technology is widely applied to various industry fields, and when a laser generates laser, the performance of partial devices inside laser equipment is affected due to the fact that energy released for a long time is too high, and the problem that the components of the laser are affected by environmental temperature factors exists, so that the laser needs to be cooled.
at present, the existing laser comprises a water-cooling laser and an air-cooling laser, wherein the air-cooling laser has wide application in the fields of fine processing and the like due to the compact size and the convenient advantage of no need of matching of a water-cooling machine. The air-cooled laser is not provided with a water-cooling machine, so that the requirements on the application environment are strict in the processing process, the output power of the laser is different, and the internal heating value is different. The change of the environmental temperature and the difference of the internal heat productivity can affect the performance of the core components in the laser, so that the output power is unstable and even the laser fails. In the field of fine processing, the stability of the laser is required to be high by related processes.
The heat dissipation effect in the existing air-cooled laser is not obvious, and the temperature inside the laser cannot be monitored and adjusted in real time, so that the performance of the laser and internal parts is influenced and even the structural parts are damaged due to poor heat dissipation of the temperature.
Therefore, there is a need for a wind-cooled fiber laser that can achieve real-time temperature feedback and regulation.
Disclosure of Invention
The application provides an air-cooled optical fiber laser system and method capable of automatically adjusting temperature, and the technical problem that the temperature inside a laser cannot be monitored and adjusted in real time in the prior art can be solved.
The invention provides an air-cooled optical fiber laser system capable of automatically adjusting temperature, which comprises: the temperature measuring device comprises a first radiating substrate, a second radiating substrate, an air supply device, an air draft device, a temperature measuring module and a control module;
The first radiating substrate and the second radiating substrate are oppositely arranged to form a radiating air channel, and the radiating air channel is positioned between the first radiating substrate and the second radiating substrate;
the air supply device is positioned at one end of the heat dissipation air channel and is connected with the first heat dissipation device and the second heat dissipation device;
The air draft device is positioned at the other end of the heat dissipation air channel and is connected with the first heat dissipation device and the second heat dissipation device;
the temperature measuring module is fixed on the first heat dissipation substrate close to the air draft device;
the control module is respectively electrically connected with the temperature measurement module, the air supply device and the air exhaust device, and is used for generating a rotating speed instruction according to the temperature parameter acquired by the temperature measurement module so as to control the rotating speed of the air supply device and the air exhaust device.
optionally, the laser system further includes: and the heating device is used for providing energy and is fixed on the first heat dissipation substrate and/or the second heat dissipation substrate.
Optionally, the area of the port of the heat dissipation air duct is smaller than or equal to the area of the opposite surface of the air exhaust device opposite to the air supply device.
Optionally, the laser system further includes: the first corrugated plate is located in the heat dissipation air duct and connected with the first heat dissipation base plate, and the second corrugated plate is located in the heat dissipation air duct and connected with the second heat dissipation base plate.
Optionally, the first corrugated plate and the second corrugated plate are aluminum plates with corrugated structures.
Optionally, a joint between the first corrugated plate and the first heat dissipation substrate and a joint between the second corrugated plate and the second heat dissipation substrate include a heat conductive silicone grease for enhancing heat conduction.
Optionally, the laser system further includes: the filtering device is fixed outside the heat dissipation air duct close to the air supply device and connected with the first heat dissipation substrate and the second heat dissipation substrate.
Optionally, the laser system further includes: the alarm module is electrically connected with the control module;
And when the temperature parameter is greater than a preset temperature threshold value, the control module controls the heating device to stop outputting energy and controls the alarm module to give an alarm.
The second invention of the present invention provides a method for automatically adjusting temperature, which is applied to the air-cooled fiber laser system for automatically adjusting temperature, and the method comprises the following steps:
Acquiring a temperature parameter by using a temperature measurement module;
Comparing and judging the temperature parameters and the preset corresponding relation between the temperature and the rotating speed, and generating rotating speed instructions of the air supply device and the air exhaust device;
and respectively controlling the rotating speeds of the air supply device and the air exhaust device according to the rotating speed instruction.
optionally, the step of comparing and determining the temperature parameter and the preset corresponding relationship between the temperature and the rotating speed to generate the rotating speed instruction includes:
comparing and judging by using the temperature values in the temperature parameters and a plurality of temperature thresholds in the preset corresponding relation between the temperature and the rotating speed;
when the temperature value in the temperature parameter is smaller than or equal to any temperature threshold value, searching the corresponding relation by using the temperature value, determining the rotating speed of the air supply device corresponding to the temperature value and the rotating speed of the air exhaust device corresponding to the temperature value, and respectively generating rotating speed instructions of the air supply device and the air exhaust device;
And when the temperature value in the temperature parameter at any time is larger than the maximum temperature threshold value in the corresponding relation between the temperature and the rotating speed, controlling the heating device to stop outputting energy, and controlling the alarm module to give an alarm.
Has the advantages that: the invention discloses an air-cooled fiber laser system and method capable of automatically adjusting temperature, wherein the laser system comprises: the temperature measuring device comprises a first radiating substrate, a second radiating substrate, an air supply device, an air draft device, a temperature measuring module and a control module; the first radiating substrate and the second radiating substrate are oppositely arranged to form a radiating air channel, and the radiating air channel is positioned between the first radiating substrate and the second radiating substrate; the air supply device is positioned at one end of the heat dissipation air duct and is connected with the first heat dissipation device and the second heat dissipation device; the air draft device is positioned at the other end of the heat dissipation air duct and is connected with the first heat dissipation device and the second heat dissipation device; the temperature measuring module is fixed on a first heat dissipation substrate close to the air draft device; the temperature measurement module is electrically connected with the control module, the air supply device is electrically connected with the control module, the air exhaust device is electrically connected with the control module, and the control module is used for generating a rotating speed instruction according to the temperature parameter acquired by the temperature measurement module so as to control the rotating speeds of the air supply device and the air exhaust device. The method comprises the steps of comparing and judging temperature parameters and a preset corresponding relation between temperature and rotating speed, generating rotating speed instructions of an air supply device and an air exhaust device, and controlling the rotating speed of the air supply device and the air exhaust device according to the rotating speed instructions; and stopping laser output energy when the temperature parameter is larger than the temperature threshold value in the corresponding relation. The invention realizes real-time monitoring and regulation of the temperature of the laser system, ensures the stability of the output power of the laser system, protects the performance of internal components of the laser system and effectively avoids the phenomenon of damage of components of the laser system caused by high temperature.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an air-cooled fiber laser system with automatic temperature adjustment according to the present invention;
FIG. 2 is a diagram of a control program architecture of a laser system according to an embodiment of the present invention;
Fig. 3 is a flowchart of the steps of a method for automatically adjusting temperature according to the present method.
Detailed Description
in order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical problem that the temperature inside the laser cannot be monitored and adjusted in real time in the prior art is solved.
In order to solve the above technical problems, the present invention provides an air-cooled fiber laser system capable of automatically adjusting temperature, please refer to fig. 1 and 2, in which fig. 1 is a structural diagram of an air-cooled fiber laser system capable of automatically adjusting temperature according to the present invention, and fig. 2 is a structural diagram of a control program of a laser system according to an embodiment of the present invention;
The laser system includes: the heat dissipation device comprises a first heat dissipation substrate 101, a second heat dissipation substrate 102, an air supply device 106, an air exhaust device 107, a temperature measurement module 110 and a control module 109;
the first heat dissipation substrate 101 and the second heat dissipation substrate 102 are oppositely arranged to form a heat dissipation air channel 105, and the heat dissipation air channel 105 is located between the first heat dissipation substrate 101 and the second heat dissipation substrate 102;
The air supply device 106 is located at one end of the heat dissipation air duct 105, and the air supply device 106 is connected with the first heat dissipation device 101 and the second heat dissipation device 102;
The air draft device 107 is positioned at the other end of the heat dissipation air duct 105, and the air draft device 107 is connected with the first heat dissipation device 101 and the second heat dissipation device 102;
the temperature measuring module 110 is fixed on the first heat dissipation substrate 101 close to the air draft device 107;
The temperature measurement module 110 is electrically connected with the control module 109, the air supply device 106 is electrically connected with the control module 109, the air exhaust device 107 is electrically connected with the control module 109, and the control module 109 is used for generating a rotating speed instruction according to the temperature parameter acquired by the temperature measurement module 110 so as to control the rotating speeds of the air supply device 106 and the air exhaust device 107.
in the embodiment of the present invention, the laser system is an air-cooled heat dissipation laser system, when the laser system has a light source device and an optical fiber for forming laser, and when devices inside the laser such as the light source device and the optical fiber release heat during the process of forming laser, the heat needs to be dissipated through a first heat dissipation substrate 101 and a second heat dissipation substrate 102 inside the laser system, wherein the first heat dissipation substrate 101 and the second heat dissipation substrate 102 are oppositely disposed to form a heat dissipation channel, and after heat exchange is formed between the first heat dissipation substrate 101 and the second heat dissipation substrate 102, the heat in the first heat dissipation substrate 101 and the second heat dissipation substrate 102 in the laser system is dissipated to the outside through the heat dissipation channel; further, the laser system comprises an air supply device 106 for introducing cold air into a heat dissipation air duct 105 inside the laser system, and an air exhaust device 107 for exhausting hot air in the heat dissipation air duct 105 outside the laser system, wherein the air supply device 106 and the air exhaust device 107 are oppositely arranged and respectively arranged at two ends of the heat dissipation channel, the air supply device 106 and the air exhaust device 107 are both controlled by a control module 109, when a temperature parameter obtained by testing is sent to the control module 109 electrically connected with the temperature parameter by a temperature measurement module 110 arranged on a first heat dissipation substrate 101 or a second heat dissipation substrate 102 close to one end of the air exhaust device 107, the control module 109 controls the rotating speed of the air supply device 106 and the air exhaust device 107 according to the temperature parameter so as to realize real-time monitoring of the temperature inside the laser system, and correspondingly adjusts the heat dissipation devices such as the air supply device 106 and the air exhaust device 107 according to the inside temperature, the air-cooled heat dissipation is completed, the temperature inside the laser system is effectively controlled, the performance stability of components inside the laser system is ensured, the imagination that the working performance of the components inside the laser system is poor or even the components inside the laser system are damaged due to high temperature inside the laser or poor heat dissipation is avoided, and the efficiency of the laser system in outputting power is improved.
further, the laser system further includes: and a heat generating device for providing energy, wherein the heat generating device is fixed on the first heat dissipation substrate 101 and/or the second heat dissipation substrate 102. In this embodiment, the heat generating device is used for providing a light source or energy for a laser system, and includes: the laser system comprises a laser system, a heating device, a laser system and a laser system, wherein the laser system comprises an output initial point, an amplification point and the like of a light source in the laser system, at the moment, the light source output by the initial point of the heating device does not form laser, the laser can be formed by the steps of coupling, power amplification, resonance, returning and the like of other components in the laser system, and energy and heat can be released in the process, so that the temperature in the laser system is increased. Preferably, the heat generating device in this embodiment is disposed on the first heat dissipating substrate 101, but not limited thereto, the heat generating device may also be disposed on the second heat dissipating substrate 102, or the laser system has a plurality of heat generating devices, and the plurality of heat generating devices are disposed on the first heat dissipating substrate 101 and the second heat dissipating substrate 102, respectively, so as to effectively increase the output power of the laser system.
Further, the heat generating device includes: at least one pump source and a gain fiber; in this embodiment, the laser system may include a plurality of pump sources and gain fibers, but the number of the gain fibers is determined according to actual conditions, the gain fibers are mainly used for gain amplification of a light source emitted by the pump sources to improve power of the light source, the number of the pump sources is determined according to the power of the laser system, preferably, the rated power of the laser system in this embodiment is 250W, and the number of the pump sources is selected according to the rated power of the laser system.
further, the area of the port of the heat dissipation air duct 105 is smaller than or equal to the area of the opposite surface of the air draft device 107 opposite to the air supply device 106. In this embodiment, updraft ventilator 107 and air supply arrangement 106 are fixed respectively in the port department at heat dissipation wind channel 105 both ends, in order to make full use of updraft ventilator 107 and air supply arrangement 106's working effect, improve the radiating efficiency, should be decided according to the area of heat dissipation wind channel 105 port when selecting for use and setting up air supply arrangement 106 and updraft ventilator 107 for the wind-force of air supply arrangement 106 and the during operation of updraft ventilator 107 obtains the convulsions and utilizes, and then effectively adjusts the inside temperature of laser system.
further, the laser system further includes: the first corrugated plate 103 is located in the heat dissipation air duct 105 and connected to the first heat dissipation substrate 101, and the second corrugated plate 104 is located in the heat dissipation air duct 105 and connected to the second heat dissipation substrate 102. In this embodiment, the first corrugated plate 103 and the second corrugated plate 104 are respectively disposed on a side surface of the first heat dissipation substrate 101 opposite to the second heat dissipation substrate 102, and the first corrugated plate 103 and the second corrugated plate 104 are used for enhancing the heat exchange effect in the first heat dissipation substrate 101 and the second heat dissipation substrate 102, accelerating the heat dissipation inside the laser system, and reducing the temperature.
Further, the first corrugated plate 103 and the second corrugated plate 104 are aluminum plates with corrugated structures. Preferably, in this embodiment, the first corrugated plate 103 and the second corrugated plate 104 for enhancing the heat dissipation effect are made of aluminum (Al), which has better heat conductivity than general metal, and can effectively improve the heat exchange between the first heat dissipation substrate 101 and the second heat dissipation substrate 102 and reduce the temperature effect in the heat dissipation substrates by cooperating with the corrugated auxiliary heat dissipation plate.
Further, a gap which is partially not contacted is formed between the first corrugated plate 103 and the first heat dissipation substrate 101, a gap which is partially not contacted is formed between the second corrugated plate 104 and the second heat dissipation substrate 102, and a gap is formed between the first corrugated plate 103 and the second corrugated plate 104; in this embodiment, the first corrugated plate 103 and the second corrugated plate 104 are corrugated, and the heat-conducting property of the aluminum material is good, so that only the partially protruded area on the surface of the corrugated plate is required to radiate heat with the first heat-radiating substrate 101 and the second heat-radiating substrate 102, and the whole area of the corrugated plate is not required to contact with the heat-radiating substrate, so that the corrugated plate with the corrugated shape has a larger contact area with the wind power in the heat-radiating air duct 105, and the heat-radiating effect and the heat-radiating speed of the corrugated plate on the heat-radiating substrate can be improved by increasing the contact area of the corrugated plate and the wind power.
further, the joints between the first corrugated plate 103 and the first heat dissipation substrate 101 and the joints between the second corrugated plate and the second heat dissipation substrate 102 contain heat conductive silicone grease for enhancing heat conduction. In this embodiment, in order to further improve the heat exchange effect between the first corrugated plate 103 and the second corrugated plate 104 and the first heat dissipation substrate 101 and the second heat dissipation substrate 102, it is preferable to coat or place a heat conductive silica gel at the connection between the first corrugated plate 103 and the first heat dissipation substrate 101, and coat or place a heat conductive silica gel at the connection between the second corrugated plate and the second heat dissipation substrate 102, so as to enhance the heat conductivity between the first corrugated plate 103 and the first heat dissipation substrate 101, and between the second corrugated plate 104 and the second heat dissipation substrate 102, improve the heat conduction effect between the corrugated plates and the heat dissipation substrates, and facilitate the heat dissipation of the heat dissipation substrates.
Further, the laser system further includes: the filtering device 108, the filtering device 108 is fixed outside the heat dissipation air duct 105 close to the air supply device 106, and the filtering device 108 is connected with the first heat dissipation substrate 101 and the second heat dissipation substrate 102; the filter 108 is connected to the first heat sink substrate 101 and the second heat sink substrate 102, respectively. In this embodiment, in order to improve the cleanliness of the wind power delivered by the air supply device 106, it is preferable that a filtering device 108 is disposed outside an end of the heat dissipation air duct 105 close to the air supply device 106, and in this embodiment, the filtering device 108 may be a high-precision filter screen or other components with a filtering function, so that the air or wind power with higher cleanliness enters the laser system through the delivery of the air supply device 106, and the dust in the air is effectively prevented from being accumulated and accumulated inside the laser system, thereby affecting the heat dissipation capability of the laser system.
Furthermore, the heat dissipation air duct 105 is in an isolated state from components in the inner cavity of the laser system, and wind power or air conveyed by the air supply device 106 enters the heat dissipation air duct 105 and then cannot contact with the internal components of the laser system, so that the components in the laser system are effectively protected, and the working performance of the components is guaranteed.
Further, the laser system further includes: the alarm module 111, the alarm module 111 is electrically connected with the control module 109;
When the temperature parameter is greater than the preset temperature threshold, the control module 109 controls the heating device to stop outputting energy, and controls the alarm module 111 to give an alarm. In this embodiment, when the control module 109 determines that the temperature value in the temperature parameter measured by the temperature measurement module 110 exceeds the maximum bearing temperature threshold of the laser system, on one hand, the air supply device 106 and the air exhaust device 107 are controlled to operate at the preset maximum rotation speed, so as to improve heat dissipation and stop power output of the laser system, and on the other hand, the alarm module is controlled to send out an alarm signal to remind a worker of performing manual processing; it should be noted that the internal temperature of the laser system is also affected by the external ambient temperature, and when the external ambient temperature is too high, the heat dissipation effect of the air supply device 106 and the air exhaust device 107 of the laser system is exceeded, the internal heat dissipation of the laser system is affected, and the working performance of the internal devices of the laser system is affected.
A second aspect of the present invention provides a method for automatically adjusting temperature, please refer to fig. 3, in which fig. 3 is a flowchart illustrating steps of the method for automatically adjusting temperature according to the present invention; the method is applied to an air-cooled fiber laser system capable of automatically adjusting the temperature, and comprises the following steps:
S201: acquiring a temperature parameter by using a temperature measurement module;
s202: comparing and judging the temperature parameters and the preset corresponding relation between the temperature and the rotating speed, and generating rotating speed instructions of the air supply device and the air exhaust device;
s203: and respectively controlling the rotating speeds of the air supply device and the air exhaust device according to the rotating speed instruction.
In the embodiment of the invention, the heat dissipation device of the laser system has a control program corresponding to the heat dissipation threshold relationship corresponding to the heat dissipation device, for example, the air draft device and the air supply device are electrically connected with the control module, after the temperature measurement module measures the temperature value of the corresponding preset position of the laser system, the control module generates a corresponding rotating speed instruction according to the temperature value and the corresponding relationship between the temperature and the rotating speed preset in the program so as to control the rotating speed of the air draft device and the air supply device; the control program corresponding to the heat dissipation threshold relationship is preset, wherein the corresponding relationship between the temperature and the rotating speed in the control program comprises each temperature threshold and a rotating speed instruction corresponding to the temperature threshold, so that the measured temperature values can be judged and compared, the rotating speed instruction can be generated, and the real-time monitoring and control of the temperature in the laser system can be realized.
Further, the step of comparing and judging the temperature parameter and the preset corresponding relation between the temperature and the rotating speed to generate the rotating speed instruction comprises the following steps:
Comparing and judging by using temperature values in the temperature parameters and a plurality of temperature thresholds in the preset corresponding relation between the temperature and the rotating speed;
When the temperature value in the temperature parameter is smaller than or equal to any temperature threshold value, searching the corresponding relation by using the temperature value, determining the rotating speed of the air supply device 106 corresponding to the temperature value and the rotating speed of the air exhaust device 107 corresponding to the temperature value, and respectively generating rotating speed instructions of the air supply device 106 and the air exhaust device 107;
When the temperature value in the temperature parameter is larger than the maximum temperature threshold value in the corresponding relation between the temperature and the rotating speed at any time, the heating device is controlled to stop outputting energy, and the alarm module is controlled to give an alarm.
In this embodiment, the control program corresponding to the heat dissipation threshold relationship further includes a temperature alarm threshold, where the temperature alarm threshold is set according to a maximum temperature threshold in the corresponding relationship between the temperature and the rotation speed, and when the temperature alarm threshold is greater than or not equal to the maximum temperature threshold, the temperature alarm threshold is the temperature alarm threshold, and when the temperature value inside the laser system is in a state of the temperature alarm threshold of the control program, the state is an out-of-control state of the temperature inside the laser system, and a component or a part inside the laser system may be affected by high temperature to cause a decrease or even damage in working performance, at this time, the control module generates an alarm instruction according to the temperature alarm threshold, and controls the alarm module to send an alarm signal, and preferably, the alarm mode may be a buzzer alarm or a light alarm, and the embodiment does not limit this; it is worth noting that the external environment temperature also influences the heat dissipation effect of the laser system, further influences the internal temperature of the laser system, and needs to send out warning through the alarm module for manual processing and control, so that the components or elements inside the laser system are effectively protected, and the safety of the generation process is improved.
the invention discloses an air-cooled fiber laser system and method capable of automatically adjusting temperature, wherein the laser system comprises: the temperature measuring device comprises a first radiating substrate, a second radiating substrate, an air supply device, an air draft device, a temperature measuring module and a control module; the first radiating substrate and the second radiating substrate are oppositely arranged to form a radiating air channel, and the radiating air channel is positioned between the first radiating substrate and the second radiating substrate; the air supply device is positioned at one end of the heat dissipation air duct and is connected with the first heat dissipation device and the second heat dissipation device; the air draft device is positioned at the other end of the heat dissipation air duct and is connected with the first heat dissipation device and the second heat dissipation device; the temperature measuring module is fixed on a first heat dissipation substrate close to the air draft device; the temperature measurement module is electrically connected with the control module, the air supply device is electrically connected with the control module, the air exhaust device is electrically connected with the control module, and the control module is used for generating a rotating speed instruction according to the temperature parameter acquired by the temperature measurement module so as to control the rotating speeds of the air supply device and the air exhaust device. The method comprises the steps of comparing and judging temperature parameters and a preset corresponding relation between temperature and rotating speed, generating rotating speed instructions of an air supply device and an air exhaust device, and controlling the rotating speed of the air supply device and the air exhaust device according to the rotating speed instructions; and stopping laser output energy when the temperature parameter is larger than the temperature threshold value in the corresponding relation. The invention realizes real-time monitoring and regulation of the temperature of the laser system, ensures the stability of the output power of the laser system, protects the performance of internal components of the laser system and effectively avoids the phenomenon of damage of components of the laser system caused by high temperature.
in the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
the modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
in addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
the integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
in view of the above description of the air-cooled fiber laser system and method for automatically adjusting temperature provided by the present invention, those skilled in the art will appreciate that there are variations in the embodiments and applications of the system and method according to the teachings of the present invention.
Claims (10)
1. an air-cooled fiber laser system capable of automatically adjusting temperature, the laser system comprising: the temperature measuring device comprises a first radiating substrate, a second radiating substrate, an air supply device, an air draft device, a temperature measuring module and a control module;
The first radiating substrate and the second radiating substrate are oppositely arranged to form a radiating air channel, and the radiating air channel is positioned between the first radiating substrate and the second radiating substrate;
The air supply device is positioned at one end of the heat dissipation air channel and is connected with the first heat dissipation device and the second heat dissipation device;
The air draft device is positioned at the other end of the heat dissipation air channel and is connected with the first heat dissipation device and the second heat dissipation device;
The temperature measuring module is fixed on the first heat dissipation substrate close to the air draft device;
The control module is respectively electrically connected with the temperature measurement module, the air supply device and the air exhaust device, and is used for generating a rotating speed instruction according to the temperature parameter acquired by the temperature measurement module and controlling the rotating speed of the air supply device and the air exhaust device.
2. the self-regulating temperature-cooled fiber laser system of claim 1, further comprising: and the heating device is used for providing energy and is fixed on the first heat dissipation substrate and/or the second heat dissipation substrate.
3. The air-cooled fiber laser system capable of automatically adjusting the temperature as claimed in claim 1, wherein the area of the port of the heat dissipation air duct is smaller than or equal to the area of the opposite surface of the air draft device opposite to the air supply device.
4. The self-regulating temperature-cooled fiber laser system of claim 1, further comprising: the first corrugated plate is located in the heat dissipation air duct and connected with the first heat dissipation base plate, and the second corrugated plate is located in the heat dissipation air duct and connected with the second heat dissipation base plate.
5. the self-regulating air-cooled fiber laser system of claim 4, wherein the first corrugated plate and the second corrugated plate are aluminum plates with corrugated structures.
6. The self-regulating air-cooled fiber laser system of claim 4, wherein the junction between the first corrugated plate and the first heat sink substrate and the junction between the second corrugated plate and the second heat sink substrate comprise thermally conductive silicone grease for enhancing heat conduction.
7. the self-regulating temperature-cooled fiber laser system of claim 1, further comprising: the filtering device is fixed outside the heat dissipation air duct close to the air supply device and connected with the first heat dissipation substrate and the second heat dissipation substrate.
8. the self-regulating temperature-cooled fiber laser system of claim 1, further comprising: the alarm module is electrically connected with the control module;
And when the temperature parameter is greater than a preset temperature threshold value, the control module controls the heating device to stop outputting energy and controls the alarm module to give an alarm.
9. A method for automatically adjusting temperature, which is applied to the automatically temperature-adjusting air-cooled fiber laser system of any one of claims 1-8, and is characterized by comprising the following steps:
Acquiring a temperature parameter by using a temperature measurement module;
comparing and judging the temperature parameters and the preset corresponding relation between the temperature and the rotating speed, and generating rotating speed instructions of the air supply device and the air exhaust device;
And respectively controlling the rotating speeds of the air supply device and the air exhaust device according to the rotating speed instruction.
10. The method of claim 9, wherein the step of comparing and determining the temperature parameter with the preset temperature-rotation speed relationship to generate a rotation speed command comprises:
Comparing and judging by using the temperature values in the temperature parameters and a plurality of temperature thresholds in the preset corresponding relation between the temperature and the rotating speed;
when the temperature value in the temperature parameter is smaller than or equal to any temperature threshold value, searching the corresponding relation by using the temperature value, determining the rotating speed of the air supply device corresponding to the temperature value and the rotating speed of the air exhaust device corresponding to the temperature value, and respectively generating rotating speed instructions of the air supply device and the air exhaust device;
And when the temperature value in the temperature parameter at any time is larger than the maximum temperature threshold value in the corresponding relation between the temperature and the rotating speed, controlling the heating device to stop outputting energy, and controlling the alarm module to give an alarm.
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