CN217882270U - Laser device - Google Patents

Laser device Download PDF

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Publication number
CN217882270U
CN217882270U CN202221669403.1U CN202221669403U CN217882270U CN 217882270 U CN217882270 U CN 217882270U CN 202221669403 U CN202221669403 U CN 202221669403U CN 217882270 U CN217882270 U CN 217882270U
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light
temperature detection
laser
pump source
detection signal
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Inventor
陆明
吴霞芳
吴华安
黄小龙
王太保
刘舟
高鹏
盛辉
周学慧
张凯
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Shenzhen Tete Laser Technology Co Ltd
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Shenzhen Tete Laser Technology Co Ltd
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Abstract

The utility model discloses a laser instrument, wherein, the laser instrument includes: the temperature detection module is used for detecting the working temperatures of the driving plate, the seed optical pumping source and the amplifying optical pumping source and correspondingly outputting a driving plate temperature detection signal, a seed optical temperature detection signal and an amplifying optical temperature detection signal; the laser control board is used for receiving the drive board temperature detection signal, the seed light temperature detection signal and the amplified light temperature detection signal output by the temperature detection module, and controlling the drive board to drive the seed light pump source and the amplified light pump source to stop working when any one or more of the seed light pump source, the amplified light pump source and the drive board is/are detected to be over-temperature; the utility model discloses technical scheme aims at all-round working condition who learns each load to in time cool down the processing to the laser instrument.

Description

Laser device
Technical Field
The utility model relates to a laser field, in particular to laser instrument.
Background
In the existing laser control system, the main control board usually needs to master the working condition of the laser to ensure that the laser works in a normal temperature range. Because the laser device relates to a plurality of loads when working, the working condition of each load can not be known to the laser device control system on the market at present in all directions, consequently can not in time carry out cooling treatment to the laser device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laser instrument aims at the all-round operational aspect who learns each load to in time cool down the processing to the laser instrument.
In order to achieve the above object, the present invention provides a laser, the laser includes:
the seed optical pump source, amplify optical pump source, drive plate and temperature detection module, seed optical pump source and amplify optical pump source respectively with the drive plate electricity is connected, temperature detection module is used for detecting the drive plate, the working temperature of seed optical pump source and amplify optical pump source to correspond output drive plate temperature detection signal, seed optical temperature detection signal and amplify optical temperature detection signal, the laser instrument still includes:
the laser control panel is used for receiving the drive plate temperature detection signal, the seed light temperature detection signal and the amplified light temperature detection signal output by the temperature detection module, and controlling the drive plate to drive the seed light pump source and the amplified light pump source to stop working when any one or more of the seed light pump source, the amplified light pump source and the drive plate is/are detected to be over-temperature.
Optionally, the laser further comprises:
the laser head is respectively connected with the driving plate and the temperature detection module;
the temperature detection module is also used for detecting the working temperature of the laser head and correspondingly outputting a temperature detection signal of the laser head;
the laser control panel is also used for receiving a laser head temperature detection signal output by the temperature detection module, and controlling the drive plate to drive the seed optical pump source and the amplification optical pump source to stop working when the laser head is over-temperature.
Optionally, the laser further comprises:
the case is connected with the temperature detection module;
the temperature detection module is also used for detecting the working temperature of the case and outputting a corresponding case temperature detection signal;
the laser control board is further used for receiving a case temperature detection signal output by the temperature detection module and controlling the drive board to drive the seed optical pump source and the amplification optical pump source to stop working when the case is detected to be over-temperature.
Optionally, the laser control board has a fan control port, the laser further comprising:
a fan electrically connected to the fan control port;
the laser control panel is also used for adjusting the rotating speed of the fan according to the received driving plate temperature detection signal, the seed light temperature detection signal, the amplified light temperature detection signal, the laser head temperature detection signal and/or the case temperature detection signal.
Optionally, the laser control board has a plurality of leak-off tap ports, and the laser further includes:
the light leakage detection system comprises a light-sensitive detection module, a light-sensitive detection module and a light source module, wherein a plurality of output ends of the light-sensitive detection module are respectively and electrically connected with a plurality of light leakage detection access ports, and the light-sensitive detection module is used for detecting the light leakage of a seed light pump source and an amplification light pump source and correspondingly outputting a seed light leakage detection signal and an amplification light leakage detection signal;
the laser control panel is further used for receiving the seed light leak detection signal and the amplified light leak detection signal output by the photosensitive detection module, and controlling the drive board to drive the seed light pump source and the amplified light pump source to stop working when any one or more of the seed light pump source and the amplified light pump source is/are detected to leak light.
Optionally, the laser control board includes:
the temperature detection access ports are electrically connected with the output ends of the temperature detection module respectively;
a light source enable output port electrically connected with a light source enable end of the drive board;
the master control chip is respectively electrically connected with the plurality of temperature detection access ports and the light source enabling output port, and is used for receiving the drive plate temperature detection signals, the seed light temperature detection signals and the amplified light temperature detection signals, and outputting light source stop control signals to the drive plate through the enabling output port when any one or more of the seed light pump source, the amplified light pump source and the drive plate is detected to be over-temperature, so as to control the drive plate to drive the seed light pump source and the amplified light pump source to stop working.
Optionally, the laser control board further comprises:
an external control interface for accessing an external hardware circuit;
the IO buffer circuit is respectively electrically connected with the external control interface and the main control chip, and is used for receiving the hardware communication signal output by the external hardware circuit and outputting the reported communication signal of the main control chip to the external hardware circuit, and is also used for isolating the electromagnetic interference of the external hardware circuit.
Optionally, the laser control board further comprises:
the PC side communication interface is used for accessing an upper computer;
and the communication circuit is electrically connected with the PC end communication interface and is used for receiving the upper computer communication signal output by the upper computer and outputting the reported communication signal of the main control chip to the upper computer.
Optionally, the laser further comprises an indication optical pump source, and the laser control board further comprises:
the indicating light control port is electrically connected with the indicating light pumping source and is used for being electrically connected with an indicating light signal control port of a driving plate;
the main control chip is further used for outputting an indicating light adjusting control signal to the indicating light signal control port according to the received upper computer communication signal or hardware communication signal so as to control the driving plate to adjust the output power of the indicating light pumping source.
Optionally, the laser control board further comprises:
the system comprises a self-checking normal indicator light, a light-emitting indicator light and an alarm indicator light, wherein the self-checking normal indicator light, the light-emitting indicator light and the alarm indicator light are respectively and electrically connected with a main control chip;
the main control chip is also used for starting timing after receiving a starting communication signal output by the upper computer, and controlling the self-checking normal indicator lamp to emit/close according to the received drive plate temperature detection signal, the received seed light temperature detection signal and the received amplified light temperature detection signal after the timing time reaches a preset time;
the main control chip is also used for controlling the light-emitting indicator lamp to emit light when receiving a light source starting communication signal output by the upper computer;
the main control chip is also used for controlling the alarm indicator lamp to emit light/close and controlling the self-checking normal indicator lamp to emit light/close according to the received drive plate temperature detection signal, the seed light temperature detection signal and/or the amplified light temperature detection signal.
The utility model discloses technical scheme is through making temperature detection module gather the operating temperature of seed light pump source, amplification light pump source, drive plate to correspond output drive plate temperature detected signal, seed light temperature detected signal and amplification light temperature detected signal to laser instrument control panel, thereby make the laser instrument control panel is detecting the seed light pump source amplify the light pump source arbitrary one or more in the drive plate when warm, control drive plate drive seed light pump source, amplification light pump source stop work to prevent that the laser from making the temperature increase continuously owing to continuing work, and then leading to the working medium of laser instrument to generate heat, thereby influence the wavelength, output and the mode stability of laser instrument, make laser instrument warm damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the laser control panel of the present invention.
The reference numbers illustrate:
Figure BDA0003723426020000041
Figure BDA0003723426020000051
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In a laser control system, a driving board generally needs to drive a pump source of the laser system to work, and simultaneously feeds back the working state of the pump source to determine whether the laser system is in a normal working environment. Generally, the driving board is used for receiving control signals given by the control board, including the light emitting power and the light emitting time of the laser, the laser is set to emit light in a continuous light mode or a pulse light mode, the control signals given by the control board are executed, and meanwhile, the driving board feeds back the working state and the driving current of the pumping source.
However, the existing driving board cannot modulate the control signal for controlling the seed light to change the working state, so that the seed light is always in the light emitting working state, the laser conversion efficiency is low, and the system heating value is high.
The utility model provides a laser instrument control panel 500.
Referring to fig. 1 to 2, in an embodiment of the present invention, the laser includes:
the laser comprises a seed optical pump source 100, an amplification optical pump source 200, a driving board 300 and a temperature detection module 400, wherein the seed optical pump source 100 and the amplification optical pump source 200 are respectively electrically connected with the driving board 300, the temperature detection module 400 is used for detecting the working temperatures of the driving board 300, the seed optical pump source 100 and the amplification optical pump source 200 and correspondingly outputting a driving board temperature detection signal, a seed optical temperature detection signal and an amplification optical temperature detection signal, and the laser further comprises:
the laser control board 500 is electrically connected to the seed optical pump source 100, the amplification optical pump source 200 and the drive board 300, and the laser control board 500 is configured to receive a drive board temperature detection signal, a seed optical temperature detection signal and an amplification optical temperature detection signal output by the temperature detection module 400, and control the drive board 300 to drive the seed optical pump source 100 and the amplification optical pump source 200 to stop working when any one or more of the seed optical pump source 100, the amplification optical pump source 200 and the drive board 300 is detected to be over-temperature.
In this embodiment, the temperature detection module 400 includes a plurality of temperature sensor, and laser instrument control panel 500 includes a plurality of temperature detection access ports 510, and is a plurality of temperature detection access ports 510 includes at least seed light temperature detection access port, amplified light temperature detection access port and drive plate temperature detection access port, laser instrument control panel 500 still includes a plurality of control ports, and is a plurality of the control port includes at least seed light control port and amplified light control port, is used for exporting seed light control signal and amplified light control signal to drive plate 300 respectively, and seed light control signal and amplified light control signal can control the light-emitting power of seed light and amplified light respectively, light-emitting time, maximum light-emitting power, threshold value power etc..
It should be noted that, in the current laser control system, the main control board usually needs to master the working condition of the laser to ensure that the laser works in the normal temperature range. Because the laser device relates to a plurality of loads when working, the working condition of each load can not be known to the laser device control system on the market at present in all directions, consequently can not in time carry out cooling treatment to the laser device.
In order to solve the above problem, in this embodiment, the temperature detection module 400 is adopted to perform temperature detection on the seed optical pump source 100, the amplification optical pump source 200, and the driving board 300 respectively, and input the temperature detection result into the laser control board 500 through the plurality of temperature detection access ports 510, a first preset voltage value, a second preset voltage value, and a third preset voltage value, which respectively represent normal temperature thresholds of the seed optical pump source 100, the amplification optical pump source 200, and the driving board 300, are pre-stored in the laser control board 500, wherein the third preset voltage value, the first preset voltage value, and the second preset voltage value are sequentially increased in an increasing manner, the normal temperature thresholds are determined by temperature tests of the seed optical pump source 100, the amplification optical pump source 200, and the driving board 300 when leaving a factory, and if the working temperature exceeds the temperature threshold, the stability of the driving board is obviously reduced. When the voltage value of the seed optical temperature detection signal is smaller than the first preset voltage value, it indicates that the working temperature of the seed optical pumping source 100 is normal and does not need to be adjusted; if the voltage value of the seed optical temperature detection signal is greater than the first preset voltage value, it indicates that the corresponding seed optical pump source 100 is over-temperature; when the voltage value of the amplified optical temperature detection signal is smaller than the second preset voltage value, it indicates that the working temperature of the amplified optical pump source 200 is normal and does not need to be adjusted; if the voltage value of the amplified optical temperature detection signal is greater than the second preset voltage value, it indicates that the corresponding amplified optical pump source 200 is over-temperature; when the voltage value of the drive plate temperature detection signal is smaller than the third preset voltage value, it is indicated that the working temperature of the drive plate 300 is normal and does not need to be adjusted; if the voltage value of the drive plate temperature detection signal is greater than the third preset voltage value, it indicates that the corresponding drive plate 300 is over-temperature. When detecting that any one or more of the seed optical pump source 100, the amplification optical pump source 200 and the drive board 300 is over-temperature, the laser control board 500 controls the seed optical pump source 100 and the amplification optical pump source 200 to stop working, so as to prevent the temperature of the laser from continuously increasing due to continuous working, and further prevent a working medium of the laser from heating, thereby affecting the wavelength, the output power and the mode stability of the laser and causing the laser to be damaged due to over-temperature.
The utility model discloses technical scheme is through making temperature detection module 400 gather seed light pump source 100, amplification light pump source 200, drive plate 300's operating temperature to corresponding output drive plate temperature detected signal, seed light temperature detected signal and amplification light temperature detected signal to laser instrument control panel 500, thereby make laser instrument control panel 500 is detecting seed light pump source 100 amplification light pump source 200 arbitrary one or more in the drive plate 300 when crossing the temperature, control drive plate 300 drive seed light pump source 100, amplification light pump source 200 stop work, thereby prevent that the laser from making the temperature increase continuously owing to continue work, and then the working medium that leads to the laser generates heat to influence the wavelength, output and the mode stability of laser, make the laser instrument damages when crossing the temperature.
Referring to fig. 1-2, in an embodiment, the laser further includes:
the laser head 600, the laser head 600 is respectively connected with the driving plate 300 and the temperature detection module 400;
the temperature detection module 400 is further configured to detect a working temperature of the laser head 600 and correspondingly output a temperature detection signal of the laser head 600;
the laser control board 500 is further configured to receive a temperature detection signal of the laser head 600 output by the temperature detection module 400, and when detecting that the laser head 600 is over-temperature, control the driving board 300 to drive the seed optical pumping source 100 and the amplifying optical pumping source 200 to stop working.
In this embodiment, the plurality of temperature detection access ports 510 further includes a laser head 600 temperature detection access port 510.
Specifically, temperature detection module 400 is right laser head 600 carries out the temperature measurement to through laser head 600 temperature detection access port 510 input laser instrument control panel 500, the fourth voltage value that predetermines that the normal temperature scope of sign laser head 600 has in laser instrument control panel 500, wherein, the fourth voltage value that predetermines is greater than the second voltage value that predetermines, and laser head 600's normal operating temperature is decided by the laser power of output laser head 600, if laser head 600's operating temperature surpasss this temperature threshold value then explains laser head 600's light precious stone face is stained with dust or laser head 600 internal vacuum is destroyed, leads to the laser power of laser head 600 output too big. When the voltage value of the laser head temperature detection signal is smaller than the fourth preset voltage value, the laser head 600 is in a normal working state and does not need to be adjusted; if laser head 600 temperature detect signal surpasss during the fourth predetermined voltage value scope, the description corresponds laser head 600 is too warm, laser instrument control panel 500 control seed optical pumping source 100 reaches enlarge optical pumping source 200 stop work to prevent that the laser from making owing to be stained with dust at the light-emitting precious stone surface of laser head 600 or continue working under the destroyed condition of laser head 600 internal vacuum the laser damages.
Referring to fig. 1-2, in an embodiment, the laser further includes:
a case 700, wherein the case 700 is connected with the temperature detection module 400;
the temperature detection module 400 is further configured to detect a working temperature of the chassis 700 and output a corresponding chassis temperature detection signal;
the laser control board 500 is further configured to receive a chassis temperature detection signal output by the temperature detection module 400, and control the driving board 300 to drive the seed optical pump source 100 and the amplification optical pump source 200 to stop working when the chassis 700 is detected to be over-temperature.
In this embodiment, the plurality of temperature detection access ports 510 further includes a chassis temperature detection access port.
Specifically, the temperature detection module 400 detects the temperature of the chassis 700, and inputs the temperature to the laser control board 500 through the chassis temperature detection access port, and a fifth preset voltage value representing a normal temperature range of the chassis 700 is pre-stored in the laser control board 500, where the fifth preset voltage value is smaller than the third preset voltage value, and the temperature of the chassis 700 is determined by heat release of the seed optical pump source 100, the amplification optical pump source 200, and the drive board 300 during operation and heat dissipation performance of the chassis 700 itself, and if the temperature of the chassis 700 exceeds the temperature threshold, stability of one or more of the operating performance of the seed optical pump source 100, the amplification optical pump source 200, and the drive board 300 is significantly reduced. When the voltage value of the case temperature detection signal is smaller than the fifth preset voltage value, it is indicated that the ambient temperature in the case 700 is normal and does not need to be adjusted; if the voltage value of the case temperature detection signal is greater than the fifth preset voltage value, it indicates that the ambient temperature in the case 700 is too high, and there may be a situation where a dust screen is blocked, the placement position of a water chiller in a laser is not ventilated, a coolant leaks from the water chiller in the laser, and the like, so that the case cannot dissipate heat, and at this time, the laser control board 500 controls the seed optical pump source 100 and the amplification optical pump source 200 to stop working, thereby preventing the laser from continuously working to continuously increase the temperature in the case 700, which causes one or more of the working performance stability of the seed optical pump source 100, the amplification optical pump source 200, and the drive board 300 to be significantly reduced, which causes heating of a working medium of the laser, which affects the wavelength, output power, and mode stability of the laser, and causes the laser to be damaged due to excessive temperature.
Referring to fig. 1-2, in one embodiment, the laser control board 500 has a fan 800 control port 580, and the laser further includes:
a fan 800, said fan 800 electrically connected to said fan 800 control port 580;
the laser control board 500 is further configured to adjust the rotation speed of the fan 800 according to the received temperature detection signal of the driving board, the temperature detection signal of the seed light, the amplified temperature detection signal of the light, the temperature detection signal of the laser head 600 and/or the temperature detection signal of the case.
In this embodiment, when any one or more of the temperature detection signals of the driving board, the seed light temperature detection signal, the amplified light temperature detection signal, the laser head 600 temperature detection signal and the case temperature detection signal received by the laser control board 500 exceed a preset voltage value, it is described that the driving board 300, the seed light, the amplified light, the laser head 600 and any one or more of the cases 700 are over-temperature, and at this time, the voltage value or the current value of the rotation speed control signal output by the laser controller is increased, so that the working power of the motor of the fan 800 is increased, thereby driving the blades of the fan 800 to rotate at an accelerated speed, so that the fan 800 dissipates heat of the laser, and the temperature in the case 700 is prevented from continuously increasing, thereby causing the working medium of the laser to generate heat, thereby affecting the wavelength, the output power and the mode stability of the laser, and causing the laser to be damaged at the over-temperature.
Referring to fig. 1-2, in one embodiment, the laser control board 500 has a plurality of leak light sense access ports 590, and the laser further includes:
a plurality of output terminals of the photosensitive detection module 900 are electrically connected to the plurality of light leak detection access ports 590, respectively, and the photosensitive detection module 900 is configured to detect light leaks of the seed optical pump source 100 and the amplification optical pump source 200, and output a seed optical light leak detection signal and an amplified optical light leak detection signal correspondingly;
the laser control board 500 is further configured to receive a seed light leak detection signal and an amplified light leak detection signal output by the photosensitive detection module 900, and control the driving board 300 to drive the seed light pump source 100 and the amplified light pump source 200 to stop working when any one or more of the seed light pump source 100 and the amplified light pump source 200 is detected to leak light.
In this embodiment, the photosensitive detection module 900 includes at least two photosensitive sensors, and in other embodiments, may further include at least two photodiodes or other photosensitive devices; laser instrument control panel 500 includes a plurality of light leak detection access ports 590, and is a plurality of light leak detection access port 590 includes at least seed light leak detection access port and enlargements light leak detection access port.
In this embodiment, the light leakage detection module is adopted to perform light leakage detection on the seed optical pumping source 100 and the amplified optical pumping source 200 respectively, and the light leakage detection signals are input to the laser control panel 500 through the plurality of light leakage detection access ports 590, and when the laser control panel 500 is connected with a low-level light leakage detection signal, it is described that no light leakage condition exists in the laser, and no adjustment is needed; if the laser control panel 500 is connected to a high-level amplified light leak detection signal, it indicates that the corresponding amplified light pump source 200 has a light leak condition, and if the laser control panel 500 is connected to a high-level seed light leak detection signal, it indicates that the corresponding seed light pump source 100 has a light leak condition, the laser control panel 500 controls the seed light pump source 100 and the amplified light pump source 200 to stop working, so as to prevent the laser from being damaged due to the destructive property of laser.
Referring to fig. 1 to 2, in an embodiment, the laser control board 500 includes:
a plurality of temperature detection access ports 510, wherein the temperature detection access ports 510 are electrically connected with a plurality of output ends of the temperature detection module 400 respectively;
a light source enable output port 520 electrically connected with a light source enable terminal of the driving board 300;
the main control chip 530 is electrically connected to the plurality of temperature detection access ports 510 and the light source enabling output port 520, and the main control chip 530 is configured to receive the driving board temperature detection signal, the seed light temperature detection signal and the amplified light temperature detection signal, and output a light source stop control signal to the driving board 300 through the enabling output port when detecting that any one or more of the seed light pumping source 100, the amplified light pumping source 200 and the driving board 300 is over-temperature, so as to control the driving board 300 to drive the seed light pumping source 100 and the amplified light pumping source 200 to stop working.
In this embodiment, the light source enable output port 520 is electrically connected to the light source enable end of the driving board 300, and the light source stop control signal can control the amplification optical pump source 200 and the seed optical pump source 100 to be turned on and off simultaneously.
It is a plurality of temperature detect access port 510 includes at least that seed light temperature detects access port, amplification light temperature detects access port and drive plate temperature detects access port, be used for respectively with a plurality of outputs of temperature detect module 400 are connected, seed light temperature detects access port and is used for inserting seed light temperature detection signal to main control chip 530, amplification light temperature detects access port and is used for inserting amplification light temperature detection signal to main control chip 530, drive plate temperature detects access port and is used for inserting drive plate temperature detection signal to main control chip 530. Make through setting up a plurality of temperature detection ports 510 laser instrument control panel 500 can insert multichannel temperature detection signal, realizes that the temperature detection project is diversified, can detect the operating temperature who contains devices such as seed light pump source, amplification light pump source, drive plate simultaneously to feedback the temperature state in each part work of laser instrument comprehensively to the user, whether surpass normal operating temperature scope.
In this embodiment, the temperature detection module 400 is adopted to perform temperature detection on the seed optical pump source 100, the amplification optical pump source 200 and the drive board 300 respectively, and access a seed optical temperature detection signal, an amplification optical temperature detection signal and a drive board temperature detection signal to the main control chip 530 through the plurality of temperature detection access ports 510 respectively, the main control chip 530 receives the drive board temperature detection signal, the seed optical temperature detection signal and the amplification optical temperature detection signal, and when any one or more of the seed optical pump source 100, the amplification optical pump source 200 and the drive board 300 is detected to be over-temperature, the main control chip 530 outputs a light source stop control signal to the drive board 300 through the enable output interface, so as to control the drive board 300 to drive the seed optical pump source 100 and the amplification optical pump source 200 to stop working.
Referring to fig. 1 to 2, in an embodiment, the laser control board 500 further includes:
an external control interface 541, the external control interface 541 configured to access an external hardware circuit;
the IO buffer circuit 542 is electrically connected to the external control interface 541 and the main control chip 530, the IO buffer circuit 542 is configured to receive a hardware communication signal output by the external hardware circuit, and output a reported communication signal of the main control chip 530 to the external hardware circuit, and the IO buffer circuit 542 is further configured to isolate electromagnetic interference of the external hardware circuit.
In this embodiment, the external control interface 541 is configured to be connected to an external hardware circuit, where the external hardware circuit may be a single chip microcomputer, or in other embodiments, may be other peripheral hardware circuits; the external hardware circuit is in bidirectional communication with the main control chip 530, a user triggers a control signal to the main control chip 530 through the external hardware circuit, and outputs a communication signal by controlling the external hardware circuit, the main control chip 530 performs signal processing on the communication signal, outputs a corresponding control signal according to the data content of the communication signal, such as controlling power adjustment and on/off of the amplification optical pump source 200 and the seed optical pump source 100, and the main control chip 530 is further configured to perform data processing on state information of the amplification optical pump source 200 and the seed optical pump source 200, such as power, voltage value, current value, and the like, convert the state information into a communication signal, and output the communication signal to an external control circuit, so that the user can obtain current working information of the laser.
The main purpose of using the IO buffer circuit 542 is to buffer signals between an external hardware circuit and a circuit inside the laser control board 500 through the buffer circuit, so as to prevent the external hardware circuit from causing electromagnetic interference to the circuit inside the laser control board 500 during operation.
Referring to fig. 1 to 2, in an embodiment, the laser control board 500 further includes:
the PC side communication interface 551 is used for receiving an upper computer;
the communication circuit 552 is electrically connected to the PC-side communication interface 551, and the communication circuit 552 is configured to receive an upper computer communication signal output by the upper computer and output a reporting communication signal of the main control chip 530 to the upper computer.
In this embodiment, the upper computer may be a host computer, and in other embodiments, may also be an industrial personal computer.
The PC-side communication interface 551 is configured to be connected to an upper computer, the upper computer and the main control chip 530 perform bidirectional communication through the communication circuit 552, a user triggers a control signal to the main control chip 530 through the upper computer, outputs a communication signal by controlling the upper computer, the main control chip 530 performs signal processing on the communication signal, outputs a corresponding control signal according to data content of the communication signal, such as controlling power adjustment and on/off of the amplification optical pump source 200 and the seed optical pump source 100, and the main control chip 530 is further configured to perform data processing on state information of the amplification optical pump source 200, the seed optical pump source 100, such as power, voltage value, and current value, and convert the state information into a communication signal to be output to an external control circuit, so that the user can obtain current working information of the laser.
Referring to fig. 1-2, in an embodiment, the laser further includes an indicator optical pump source, and the laser control board 500 further includes:
an indication light control port 560, wherein the indication light control port 560 is electrically connected with the indication light pump source, and the indication light control port 560 is used for being electrically connected with an indication light signal control port of the driving board 300;
the main control chip 530 is further configured to output an indication light adjusting control signal to the indication light signal control port according to the received upper computer communication signal or hardware communication signal, so as to control the driving board 300 to adjust the output power of the indication light pumping source.
In this embodiment, the instruction optical pump source is at the during operation, laser instrument control panel 500 receives the communication signal of host computer or external hardware circuit output, and will communication signal carries out signal processing, according to the corresponding instruction light control signal regulation of communication signal output instruction light's output power. The indication light pump source and the seed light pump source 100 are the same pump source, and the indication light is used for indicating the emission path of the seed light before the seed light pump source 100 emits the seed light, so that the problems of route deviation or improper power and the like of the seed light during emission are prevented.
Referring to fig. 1 to 2, in an embodiment, the laser control board 500 further includes:
the self-checking normal indicator light 571, the light-emitting indicator light 572 and the alarm indicator light 573 are respectively electrically connected with the main control chip 530;
the main control chip 530 is further configured to start timing after receiving a start communication signal output by the upper computer, and control the self-checking normal indicator lamp 571 to emit light or turn off according to the received drive board temperature detection signal, the seed light temperature detection signal, and the amplified light temperature detection signal after the timing time reaches a preset time;
the main control chip 530 is further configured to control the light-emitting indicator light 572 to emit light when receiving a light source start communication signal output by the upper computer;
the main control chip 530 is further configured to control the alarm indicator 573 to emit light/turn off and control the self-checking normal indicator 571 to turn off/emit light according to the received driving board temperature detection signal, the seed light temperature detection signal and/or the amplified light temperature detection signal.
In this embodiment, a laser self-checking time period is prestored in the main control chip 530, where the self-checking time period may be 30 seconds, one minute, and the like, the main control chip 530 starts timing after receiving the start communication signal output by the upper computer, and if the abnormal driving board temperature detection signal, the seed light temperature detection signal, and the amplified light temperature detection signal are not received by the main control chip 530 in the self-checking time period, it indicates that the working state of the laser is normal, and at this time, a self-checking normal indicator light 571 start control signal is output to control the self-checking normal indicator light 571 to emit light; if any one or more of the driving board temperature detection signal, the seed light temperature detection signal, and the amplified light temperature detection signal received by the main control chip 530 is abnormal in the self-checking time period, the working state of the laser is abnormal, and the self-checking normal indicator 571 is controlled to be turned off.
In this embodiment, the main control chip 530 is further configured to output a light-emitting indicator 572 starting signal when receiving the light source starting communication signal output by the upper computer, and control the light-emitting indicator 572 to emit light;
in this embodiment, when the laser is in a working state, if the main control chip 530 does not receive the abnormal driving board temperature detection signal, the seed light temperature detection signal, and the amplified light temperature detection signal, it indicates that the working state of the laser is normal, and at this time, the alarm indicator 573 does not emit light; if any one or more of the driving board temperature detection signal, the seed light temperature detection signal and the amplified light temperature detection signal received by the main control chip 530 is abnormal, it indicates that the working state of the laser is abnormal, and at this time, the main control chip 530 outputs an alarm indicator light 573 start control signal to control the alarm indicator light 573 to emit light, and outputs a self-checking normal indicator light 571 close control signal to control the self-checking normal indicator light 571 to close.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the technical ideas of the present invention are utilized, the equivalent structure transformation made by the contents of the specification and the drawings, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A laser, characterized in that the laser comprises:
the seed optical pump source, amplify optical pump source, drive plate and temperature detection module, seed optical pump source and amplify optical pump source respectively with the drive plate electricity is connected, temperature detection module is used for detecting the drive plate, the working temperature of seed optical pump source and amplify optical pump source to correspond output drive plate temperature detection signal, seed optical temperature detection signal and amplify optical temperature detection signal, the laser instrument still includes:
the laser control panel is used for receiving the drive plate temperature detection signal, the seed light temperature detection signal and the amplified light temperature detection signal output by the temperature detection module, and controlling the drive plate to drive the seed light pump source and the amplified light pump source to stop working when any one or more of the seed light pump source, the amplified light pump source and the drive plate is/are detected to be over-temperature.
2. The laser of claim 1, further comprising:
the laser head is respectively connected with the driving plate and the temperature detection module;
the temperature detection module is also used for detecting the working temperature of the laser head and correspondingly outputting a laser head temperature detection signal;
the laser control panel is also used for receiving a laser head temperature detection signal output by the temperature detection module, and controlling the drive plate to drive the seed optical pump source and the amplification optical pump source to stop working when the laser head is over-temperature.
3. The laser of claim 2, further comprising:
the case is connected with the temperature detection module;
the temperature detection module is also used for detecting the working temperature of the case and outputting a corresponding case temperature detection signal;
the laser control board is further used for receiving a case temperature detection signal output by the temperature detection module and controlling the drive board to drive the seed optical pump source and the amplification optical pump source to stop working when the case is detected to be over-temperature.
4. The laser of claim 3, wherein the laser control board has a fan control port, the laser further comprising:
a fan electrically connected to the fan control port;
the laser control panel is also used for adjusting the rotating speed of the fan according to the received driving plate temperature detection signal, the seed light temperature detection signal, the amplified light temperature detection signal, the laser head temperature detection signal and/or the case temperature detection signal.
5. The laser of claim 1, wherein the laser control board has a plurality of leak-light detect access ports, the laser further comprising:
the light leakage detection system comprises a light-sensitive detection module, a light-sensitive detection module and a light source module, wherein a plurality of output ends of the light-sensitive detection module are respectively and electrically connected with a plurality of light leakage detection access ports, and the light-sensitive detection module is used for detecting light leakage of a seed light pump source and an amplified light pump source and correspondingly outputting a seed light leakage detection signal and an amplified light leakage detection signal;
the laser control panel is further used for receiving the seed light leak detection signal and the amplified light leak detection signal output by the photosensitive detection module, and controlling the drive board to drive the seed light pump source and the amplified light pump source to stop working when any one or more of the seed light pump source and the amplified light pump source is/are detected to leak light.
6. The laser of claim 1, wherein the laser control board comprises:
the temperature detection access ports are electrically connected with the output ends of the temperature detection module respectively;
a light source enable output port electrically connected with a light source enable end of the drive board;
the master control chip is respectively electrically connected with the plurality of temperature detection access ports and the light source enabling output port, and is used for receiving the drive plate temperature detection signals, the seed light temperature detection signals and the amplified light temperature detection signals, and outputting light source stop control signals to the drive plate through the enabling output port when any one or more of the seed light pump source, the amplified light pump source and the drive plate is detected to be over-temperature, so as to control the drive plate to drive the seed light pump source and the amplified light pump source to stop working.
7. The laser of claim 6, wherein the laser control board further comprises:
an external control interface for accessing an external hardware circuit;
the IO buffer circuit is respectively electrically connected with the external control interface and the main control chip, and is used for receiving the hardware communication signal output by the external hardware circuit and outputting the reported communication signal of the main control chip to the external hardware circuit, and is also used for isolating the electromagnetic interference of the external hardware circuit.
8. The laser of claim 7, wherein the laser control board further comprises:
the PC side communication interface is used for accessing an upper computer;
and the communication circuit is electrically connected with the PC end communication interface and is used for receiving the upper computer communication signal output by the upper computer and outputting the reported communication signal of the main control chip to the upper computer.
9. The laser of claim 8, wherein the laser further comprises an indicator optical pump source, the laser control board further comprising:
the indication light control port is electrically connected with the indication light pumping source and is used for being electrically connected with an indication light signal control port of a driving plate;
the main control chip is further used for outputting an indicating light adjusting control signal to the indicating light signal control port according to the received upper computer communication signal or hardware communication signal so as to control the driving plate to adjust the output power of the indicating light pumping source.
10. The laser of claim 8, wherein the laser control board further comprises:
the system comprises a main control chip, a self-checking normal indicator light, a light-emitting indicator light and an alarm indicator light, wherein the self-checking normal indicator light, the light-emitting indicator light and the alarm indicator light are respectively and electrically connected with the main control chip;
the main control chip is also used for starting timing after receiving a starting communication signal output by the upper computer, and controlling the self-checking normal indicator lamp to light/close according to the received drive plate temperature detection signal, the received seed light temperature detection signal and the received amplified light temperature detection signal after the timing time reaches a preset time;
the main control chip is also used for controlling the light-emitting indicator lamp to emit light when receiving a light source starting communication signal output by the upper computer;
the main control chip is further used for controlling the alarm indicator lamp to emit light/close and controlling the self-checking normal indicator lamp to turn off/emit light according to the received drive plate temperature detection signal, the seed light temperature detection signal and/or the amplified light temperature detection signal.
CN202221669403.1U 2022-06-30 2022-06-30 Laser device Active CN217882270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221669403.1U CN217882270U (en) 2022-06-30 2022-06-30 Laser device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221669403.1U CN217882270U (en) 2022-06-30 2022-06-30 Laser device

Publications (1)

Publication Number Publication Date
CN217882270U true CN217882270U (en) 2022-11-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221669403.1U Active CN217882270U (en) 2022-06-30 2022-06-30 Laser device

Country Status (1)

Country Link
CN (1) CN217882270U (en)

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