CN110707512A - Portable fiber laser and laser system - Google Patents
Portable fiber laser and laser system Download PDFInfo
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- CN110707512A CN110707512A CN201911037615.0A CN201911037615A CN110707512A CN 110707512 A CN110707512 A CN 110707512A CN 201911037615 A CN201911037615 A CN 201911037615A CN 110707512 A CN110707512 A CN 110707512A
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- laser
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- handheld terminal
- fiber laser
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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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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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
- H01S3/0014—Monitoring arrangements not otherwise provided for
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
Abstract
The invention discloses a portable fiber laser and a laser system, the portable fiber laser includes: the Bluetooth controller is connected with the microprocessor system; the Bluetooth controller is used for being in wireless connection with the handheld terminal, and the microprocessor system receives an instruction of the handheld terminal and/or sends working information of the portable fiber laser to the handheld terminal through the Bluetooth controller. The portable fiber laser is provided with the Bluetooth controller and the microprocessor system, so that the portable fiber laser can be wirelessly connected with the handheld terminal through the Bluetooth controller, and further receives instructions and requests of the handheld terminal, and/or sends self working information and responses to the handheld terminal, so that parameter setting, resource allocation, application debugging, optimization control, real-time monitoring, fault diagnosis, protection and the like of the portable fiber laser are realized through the handheld terminal.
Description
Technical Field
The invention relates to the technical field of fiber lasers, in particular to a portable fiber laser and a laser system.
Background
The optical fiber laser is a laser using rare earth element doped glass fiber as a gain medium, and can be developed on the basis of an optical fiber amplifier: under the action of pump light, high power density is easily formed in the optical fiber, so that the population inversion of the laser energy level of the laser working substance is caused, and when a positive feedback loop (forming a resonant cavity) is properly added, laser oscillation output can be formed.
The existing fiber laser is usually connected with an upper computer by using a cable so as to carry out debugging detection, control and the like, but the upper computer is expensive, large and heavy, and is inconvenient to install and use on site, so that the debugging detection and control of the existing fiber laser are inconvenient.
Disclosure of Invention
In view of the problem of inconvenient debugging, detecting and controlling of the fiber laser in the prior art, the invention provides a portable fiber laser and a laser system, so as to overcome the problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided a portable fiber laser including: the Bluetooth controller is connected with the microprocessor system; the Bluetooth controller is used for being in wireless connection with a handheld terminal, and the microprocessor system receives instructions and requests of the handheld terminal through the Bluetooth controller and/or sends working information and responses of the portable fiber laser to the handheld terminal.
Optionally, the portable fiber laser further comprises an RS-232 user interface for connecting to an upper computer.
Optionally, the portable fiber laser further comprises an FPGA, and the FPGA is connected with the microprocessor system.
Optionally, the portable fiber laser comprises an optical cavity, a cladding power stripper, an optical fiber and an optical fiber output device; laser generated by the optical cavity is filtered out of the optical fiber cladding light by a cladding power stripper and then is sent to an optical fiber output device by an optical fiber;
the optical cavity includes: the optical fiber grating comprises a plurality of pumping sources, a beam combiner, a first grating, an active optical fiber and a second grating; the portable optical fiber laser also comprises a plurality of photoelectric detectors, and the photoelectric detectors are used for detecting the light leakage quantity of the optical fiber cladding and sending the light leakage quantity to the microprocessor system.
Optionally, the photodetector comprises: a first photodetector disposed outside the cladding power stripper and a second photodetector disposed at the front side of the optical fiber.
Optionally, the microprocessor system receives the detection result of the photodetector, and realizes the alarm of the upper and lower light intensity limits and the calculation of the actual power and the reflected power of the returned light of the laser.
Optionally, each pump source is correspondingly provided with an independent pump source driver, and each pump source driver is connected to the microprocessor system and receives an electronic control signal sent by the microprocessor system to drive the pump source to emit light.
Optionally, the microprocessor system receives the instruction sent by the handheld terminal through the bluetooth controller, and the instruction includes one or more of the following: setting laser parameters, controlling the operation of the laser and requesting to detect the working information of the laser;
the working information sent by the microprocessor system to the handheld terminal through the Bluetooth controller comprises one or more of the following information: the power, interlocking condition, emergency stop condition, light intensity signal, current, voltage, temperature, humidity, water flow and water leakage condition of the laser, and alarm signal, processing signal and protection signal when the laser is in fault or the laser is out of working range.
According to another aspect of the present invention, there is provided a laser system comprising: the portable optical fiber laser and the handheld terminal are in wireless connection with the portable optical fiber laser through Bluetooth.
Optionally, the handheld terminal is a smart phone.
In conclusion, the beneficial effects of the invention are as follows:
the portable fiber laser is provided with the Bluetooth controller and the microprocessor system, so that the portable fiber laser can be wirelessly connected with the handheld terminal through the Bluetooth controller, and further receives instructions and requests of the handheld terminal, and/or sends self working information and responses to the handheld terminal, so that parameter setting, resource allocation, application debugging, optimization control, real-time monitoring, fault diagnosis, protection and the like of the portable fiber laser are realized through the handheld terminal.
Drawings
Fig. 1 is a schematic structural diagram of a portable fiber laser according to an embodiment of the present invention, which includes a schematic diagram of a bluetooth controller and a bluetooth transmitter;
fig. 2 is a schematic diagram of an optical path structure of a portable fiber laser according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a pump source driving structure of a portable fiber laser according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an equipment information interface when a handset is used to connect a portable fiber laser of the present invention;
FIG. 5 is a schematic view of the device setup interface when a portable fiber laser of the present invention is connected using a cell phone;
FIG. 6 is a schematic diagram of a data input interface for a portable fiber laser of the present invention using a cell phone to connect to it;
FIG. 7 is a schematic diagram of an alarm interface when a portable fiber laser of the present invention is connected using a cell phone;
FIG. 8 is a schematic illustration of a decryption interface when a handset is used in conjunction with a portable fiber laser of the present invention;
in the figure: 1. an optical cavity; 1-1 pump source; 1-2, a beam combiner; 1-3, a first grating; 1-4, active optical fiber; 1-5, a second grating; 1-6, a first photodetector; 1-7, a second photodetector; 2. a cladding power stripper; 3. an optical fiber; 4. and (4) a fiber output device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The technical conception of the invention is as follows: the portable fiber laser is provided with the Bluetooth controller and the microprocessor system, so that the portable fiber laser can be wirelessly connected with the handheld terminal through the Bluetooth controller, and further receives instructions and requests of the handheld terminal, and/or sends self working information and responses to the handheld terminal, so that parameter setting, resource allocation, application debugging, optimization control, real-time monitoring, fault diagnosis, protection and the like of the portable fiber laser are realized through the handheld terminal.
Fig. 1 shows an embodiment of a portable fiber laser of the present application, which, as shown in fig. 1, includes: bluetooth controller and microprocessor system (MCU). In addition, the portable fiber laser can also comprise an FPGA, and the FPGA is connected with the microprocessor system. The Bluetooth controller, the microprocessor system (MCU), the FPGA and the like form a fiber laser controller together to control the work of the fiber laser.
The Bluetooth controller is connected with the microprocessor system, the Bluetooth controller is used for being wirelessly connected with the handheld terminal, and the microprocessor system receives instructions and requests of the handheld terminal through the Bluetooth controller and/or sends working information and responses of the portable fiber laser to the handheld terminal.
As shown in fig. 1, the portable fiber laser may output laser light through a fiber armor to a handheld laser device, such as a handheld welder, a handheld cutter, a handheld washer, or a handheld marking machine. Since these hand-held laser devices have small size and high portability, the process of testing, debugging and controlling the laser is inconvenient to use an expensive and heavy host computer.
In the embodiment shown in fig. 1, the portable fiber laser is provided with a bluetooth controller, a microprocessor system and an FPGA, and a handheld terminal, such as a mobile phone, can be wirelessly connected through the bluetooth controller, so that the portable fiber laser can receive instructions and requests of the handheld terminal, and/or send self working information and responses to the handheld terminal, so as to implement parameter setting, resource allocation, application debugging detection, optimization control, real-time monitoring, fault diagnosis, protection and the like of the portable fiber laser through the handheld terminal, so that the debugging, control, detection, fault diagnosis and protection processes do not depend on an upper computer, and the portable fiber laser is simpler and more convenient and has lower implementation cost.
Referring to fig. 1, the portable fiber laser of the present application is provided with a conventional user interface, such as an RS-232 serial interface and a hardware logic interface, and can be connected to a corresponding handheld laser device, and in addition, the portable fiber laser also has a bluetooth function, so that a user can perform bluetooth control, operation and monitoring on the portable fiber laser through a mobile phone, and the portable fiber laser can also send working state information of the portable fiber laser to the mobile phone of the user through a microprocessor system and a bluetooth controller.
In an embodiment of the present application, the portable fiber laser further includes a plug for connecting to an upper computer, that is, the portable fiber laser of the present application also maintains a debugging detection and control mode for connecting to the upper computer, and the application scope is wider. In one embodiment of the present application, the portable fiber laser includes an RS-232 user interface, shown with reference to fig. 1, which can be used to transmit data between the host computer and the portable fiber laser.
In one embodiment of the present application, as shown in the schematic diagram of the optical path structure of fig. 2, the portable fiber laser includes an optical cavity 1, a cladding power stripper 2, an optical fiber 3 and an optical fiber output device 4; laser light generated by the optical cavity 1 is filtered by the cladding power stripper 2 to remove the cladding light of the optical fiber, and is sent to the optical fiber output device 4 by the optical fiber 3, so that usable laser light is output. Wherein, the optical fiber 3 is an optical fiber armor cable.
In the embodiment shown in fig. 2, the optical cavity 1 comprises: the optical fiber grating comprises a plurality of pump sources 1-1 (see a pump source 1-a pump source n in FIG. 2), a beam combiner 1-2, a first grating 1-3, an active optical fiber 1-4 and a second grating 1-5; in addition, the portable fiber laser of the embodiment further comprises a plurality of photodetectors (see PD1 and PD2 in fig. 2), and the photodetectors are used for detecting the light leakage amount of the fiber cladding and sending the light leakage amount to the microprocessor system.
Referring to fig. 2, the photodetector includes: a first photodetector 1-6 disposed outside the cladding power stripper 2 and a second photodetector 1-7 disposed on the front side of the optical fiber 3, the photodetectors being, for example, photodiodes (abbreviated as PDs).
In practical use, the number and position of the photo detectors are not limited to those shown in fig. 2, the number of photo detectors can be adjusted as required, and the first photo detector 1-6 and the second photo detector 1-7 can also refer to a photo detector group composed of a plurality of photo detectors, and the position and direction of each photo detector need to be set and calibrated.
In this embodiment, the microprocessor system receives the detection result of the photodetector, thereby achieving the alarm of the upper and lower limits of light intensity, calculating the actual power of the laser, the reflected power of the returned light, and the like.
In an embodiment of the present application, as shown in fig. 3, each pump source is correspondingly provided with an independent pump source driver (see pump source 1 driver to pump source n driver in fig. 3), and each pump source driver is connected to the microprocessor system and receives an electronic control signal sent by the microprocessor system to drive the pump source to emit light.
In this embodiment, the portable fiber laser is further provided with a red driver and a red LED to add red light as an indication light in the laser beam.
In the above embodiments of the present application, the handheld terminal connected to the portable fiber laser is a smartphone.
Preferably, the instruction sent by the hand-held terminal to the microprocessor system through the bluetooth controller comprises one or more of the following: setting laser parameters, controlling the operation of the laser and requesting to detect the working information of the laser.
The work information sent by the microprocessor system to the hand-held terminal through the Bluetooth controller comprises one or more of the following: the power, interlocking condition, emergency stop condition, light intensity signal, current, voltage, temperature, humidity, water flow and water leakage condition of the laser, and alarm signal, processing signal and protection signal when the laser is in fault or the laser is out of working range.
The application also discloses a laser system, this laser system includes: the portable optical fiber laser and the handheld terminal are in wireless connection with the portable optical fiber laser through Bluetooth. As described in the above embodiments, the handheld terminal can send instructions and requests to the portable fiber laser, and/or receive working information and responses of the portable fiber laser, so as to implement parameter setting, resource allocation, application debugging, optimal control, real-time monitoring, fault diagnosis, protection, and the like of the portable fiber laser. In an embodiment of the application, this handheld terminal is the smart mobile phone, and small in size easily carries, can conveniently use fast through installing corresponding APP and using.
Referring to fig. 4 to 8, in order to adapt to the characteristics that the interface of the mobile phone is small and compact compared with the interface of the host computer and has limited display contents, a plurality of concise and refined display interfaces can be designed on the mobile phone to completely display the debugging detection and control information.
Fig. 4 is an equipment information interface through which a user can know the product number, serial number, actually set power, internal control and external control modes, modulation duty ratio, modulation frequency, humidity, and water flow of the laser, and at the same time, can display power, alarm, enable, and red light states. FIG. 5 is a device set-up interface including enable internal/external control, power internal/external control parameter setting, modulation internal/external control parameter setting. FIG. 6 is a data entry interface with a keyboard to enable parameter entry. Fig. 7 is an alarm interface that can display water cooling, fiber optic output devices, hard stops, voltage and current, temperature, light path, intercom and other (power module failure, etc.) fault information. Fig. 8 is a decryption interface for verifying the usage right of the user through the password.
To sum up, the portable fiber laser of this application even when there is not the host computer on the scene, also can use portable handheld device such as cell-phone, set up the parameter of laser instrument very conveniently, be equipped with the resource of laser instrument, control the operation of laser instrument, detect the operating condition of laser instrument, report laser instrument operating variable such as power, interlock, scram, the light intensity signal everywhere in the laser instrument, current, voltage, temperature, humidity, water flow, the condition such as leaking, simultaneously, when the laser instrument breaks down or the laser instrument work exceedes working range, also can be through reporting to the cell-phone, do corresponding fault alarm, handle and protection.
While the foregoing is directed to embodiments of the present invention, other modifications and variations of the present invention may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the appended claims.
Claims (10)
1. A portable fiber laser, comprising: the Bluetooth controller is connected with the microprocessor system; the Bluetooth controller is used for being in wireless connection with a handheld terminal, and the microprocessor system receives instructions and requests of the handheld terminal through the Bluetooth controller and/or sends working information and responses of the portable fiber laser to the handheld terminal.
2. The portable fiber laser of claim 1, further comprising an RS-232 user interface for connecting to an upper computer.
3. The portable fiber laser of claim 1, further comprising an FPGA, the FPGA being connected to the microprocessor system.
4. The portable fiber laser of claim 1, comprising a fiber cavity, a cladding power stripper, a fiber, and a fiber output device; laser generated by the optical cavity is filtered out of the optical fiber cladding light by a cladding power stripper and then is sent to an optical fiber output device by an optical fiber;
the optical cavity includes: the optical fiber grating comprises a plurality of pumping sources, a beam combiner, a first grating, an active optical fiber and a second grating; the portable optical fiber laser also comprises a plurality of photoelectric detectors, and the photoelectric detectors are used for detecting the light leakage quantity of the optical fiber cladding and sending the light leakage quantity to the microprocessor system.
5. The portable fiber laser of claim 4, wherein the photodetector comprises: a first photodetector disposed outside the cladding power stripper and a second photodetector disposed at the front side of the optical fiber.
6. The portable fiber laser as claimed in claim 5, wherein the microprocessor system receives the detection result of the photodetector, and implements the alarm of the upper and lower light intensity limits, and calculates the actual laser power and the reflected power of the returned light.
7. The portable fiber laser of claim 4, wherein each pump source is provided with an independent pump source driver, and each pump source driver is connected to the microprocessor system and receives an electronic control signal sent by the microprocessor system to drive the pump source to emit light.
8. The portable fiber laser of any of claims 1-7, wherein the microprocessor system receiving instructions and requests sent by the handheld terminal via the Bluetooth controller includes one or more of: setting laser parameters, controlling the operation of the laser and requesting to detect the working information of the laser;
the work information and the response sent by the microprocessor system to the handheld terminal through the Bluetooth controller comprise one or more of the following: the power, interlocking condition, emergency stop condition, light intensity signal, current, voltage, temperature, humidity, water flow and water leakage condition of the laser, and alarm signal, processing signal and protection signal when the laser is in fault or the laser is out of working range.
9. A laser system, comprising: the portable fibre laser of any one of claims 1 to 8 and a handheld terminal, the handheld terminal being wirelessly connected to the portable fibre laser by bluetooth.
10. The laser system of claim 9, wherein the hand-held terminal is a smartphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911037615.0A CN110707512A (en) | 2019-10-29 | 2019-10-29 | Portable fiber laser and laser system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911037615.0A CN110707512A (en) | 2019-10-29 | 2019-10-29 | Portable fiber laser and laser system |
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| Publication Number | Publication Date |
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| CN110707512A true CN110707512A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911037615.0A Pending CN110707512A (en) | 2019-10-29 | 2019-10-29 | Portable fiber laser and laser system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475612A (en) * | 2020-11-24 | 2021-03-12 | 中国铁路西安局集团有限公司科学技术研究所 | Laser rust removal system for railway steel rail |
| WO2021203621A1 (en) * | 2020-04-10 | 2021-10-14 | 巨邦集团有限公司 | Electrical appliance with automatic changeover switch |
-
2019
- 2019-10-29 CN CN201911037615.0A patent/CN110707512A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021203621A1 (en) * | 2020-04-10 | 2021-10-14 | 巨邦集团有限公司 | Electrical appliance with automatic changeover switch |
| CN112475612A (en) * | 2020-11-24 | 2021-03-12 | 中国铁路西安局集团有限公司科学技术研究所 | Laser rust removal system for railway steel rail |
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