CN110967553A - Laser testing device and method - Google Patents
Laser testing device and method Download PDFInfo
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- CN110967553A CN110967553A CN201811142476.3A CN201811142476A CN110967553A CN 110967553 A CN110967553 A CN 110967553A CN 201811142476 A CN201811142476 A CN 201811142476A CN 110967553 A CN110967553 A CN 110967553A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
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Abstract
The application belongs to the technical field of laser testing, and relates to testing equipment and a method of a laser. The test equipment of the laser comprises: the system comprises a cabinet, a transformer, one or more contactors, a frequency converter, a motor, one or more aerial plugs, a terminal block, a control panel, a switching power supply, one or more relays, a circuit breaker, one or more sockets and an oscilloscope; wherein the transformer, the one or more contactors, the frequency converter, the motor, the one or more aerial sockets, the terminal strip, the control panel, the switching power supply, the one or more relays, the circuit breaker, the one or more sockets, and the oscilloscope are installed in the cabinet; the transformer converts 380V AC power to 220V DC power and is electrically connected to one or more of the contactors, the switching power supply, and the circuit breaker. The method has the advantages of simple operation, high detection efficiency and the like.
Description
Technical Field
The application belongs to the technical field of laser testing, and relates to testing equipment and a method of a laser.
Background
At present, a plurality of large-scale equipment applying the laser are difficult to move, and if the large-scale equipment applying the laser is required to be detected, the detection equipment can only be moved to the position of the large-scale equipment applying the laser.
The inventor finds that, in the process of studying the application, in the prior art, the test equipment for detecting the large equipment using the laser often needs the large equipment using the laser to be in an actual operation state, and the work of the large equipment using the laser lacks enough simulation, so that potential safety hazards exist and the detection efficiency is low.
Disclosure of Invention
The embodiment of the application discloses a test device and a test method of a laser, aiming at improving the test efficiency and the test safety of the laser.
One or more embodiments of the present application disclose a test apparatus for a laser for detecting an output power of the laser and a duty ratio of the laser. The test equipment of the laser comprises: the system comprises a cabinet, a transformer, one or more contactors, a frequency converter, a motor, one or more aerial plugs, a terminal block, a control panel, a switching power supply, one or more relays, a circuit breaker, one or more sockets and an oscilloscope; wherein the transformer, the one or more contactors, the frequency converter, the motor, the one or more aerial sockets, the terminal strip, the control panel, the switching power supply, the one or more relays, the circuit breaker, the one or more sockets, and the oscilloscope are installed in the cabinet; the transformer converts 380V alternating current power into 220V direct current power and is electrically connected with one or more contactors, the switching power supply and the circuit breaker; the frequency converter is electrically connected with the motor and used for controlling the motor; the frequency converter is connected into the terminal strip; one or more of the aerial plugs are electrically connected with the terminal strip; the control panel is connected into the terminal strip; the switching power supply is used for converting 220V alternating current into 24V direct current and is electrically connected with one or more relays; one or more of the relays are electrically connected with the control panel; the control panel obtains electricity from the switching power supply; one or more of the sockets are electrically connected with the circuit breaker, and the oscilloscope gets electricity from one or more of the sockets; the oscilloscope is used for detecting the output power of the laser and the duty ratio of the laser.
In one or more embodiments of the present application, the cabinet includes: a first compartment, a second compartment, and a third compartment; the first compartment, the second compartment, and the third compartment are arranged in sequence; the transformer and the frequency converter are arranged in the first compartment; one or more of the contactors, the terminal blocks, one or more of the relays, and the circuit breakers are housed in the second compartment; the motor, the control panel, the switching power supply, one or more sockets and the oscilloscope are arranged in the third compartment.
In one or more embodiments of the present application, one or more of the aerial plug is installed on one side of the cabinet, and the other side of the cabinet is installed with a push-pull handle; the bottom surface of the machine cabinet is provided with a plurality of sliding wheels.
In one or more embodiments of the present application, cable passing holes are provided between the first compartment and the second compartment and between the second compartment and the third compartment.
In one or more embodiments of the present application, the side of the cabinet to which the aerial device is attached is provided with a curved bar for support, the curved bar being curved outwardly.
In one or more embodiments of the present application, a rotation shaft of the motor passes through a top surface of the third compartment.
One or more embodiments of the present application disclose a method for testing a laser, which is applied to any one of the above-mentioned test apparatuses for a laser. The laser testing method is used for detecting the output power of a laser and the duty ratio of laser, and comprises the following steps:
electrically connecting an aerial plug on test equipment of the laser with an aerial plug on application equipment of the laser;
setting the output power of the laser to be P through a programmable logic controller on application equipment of the laser;
reading the voltage value U at the moment through an oscilloscope on the test equipment of the laser;
when the voltage value U is equal to
When the power output of the laser is P, the output power of the laser meets the preset standard;
Uerefers to the rated voltage, P, of the lasereRefers to the rated power of the laser;
setting the working frequency of the laser to be f and the duty ratio x of the laser by a programmable logic controller on application equipment of the laser; the period T of the laser is equal to
Acquiring a current waveform and selecting a waveform of a period T through an oscilloscope on test equipment of the laser;
calculating whether the ratio of the lattice number of the wave crest to the lattice number of the wave trough or the ratio of the lattice number of the wave trough to the lattice number of the wave crest on the waveform of one period T is equal to the duty ratio x or not;
and when the ratio of the lattice number of the wave crest to the lattice number of the wave trough or the ratio of the lattice number of the wave trough to the lattice number of the wave crest on the waveform of one period T is equal to the duty ratio x, the duty ratio of the laser meets a preset standard.
Compared with the prior art, the technical scheme disclosed by the application mainly has the following beneficial effects:
in the embodiment of the application, the test equipment of the laser converts a 380V alternating current power supply into a 220V direct current power supply through the transformer, converts 220V alternating current into 24V direct current through the switching power supply, and realizes power supply for the motor, the control panel and the oscilloscope. The aerial plug is connected with the large-scale equipment applying the laser, the large-scale equipment applying the laser and electric elements such as the motor are controlled through the terminal strip and the control panel, and the waveform of a control signal of the laser is detected through the oscilloscope, so that whether the large-scale equipment applying the laser is good in control of the laser and whether a related control signal is accurate or not can be accurately judged. In the embodiment of the application, the motor can simulate the motor of the large-scale equipment applying the laser to rotate, and the judgment of whether the motor driving signal of the large-scale equipment applying the laser can meet the requirement is facilitated. The signal detection equipment in the embodiment of the application can detect the control signals of the laser, the motor and other devices under the condition that the large-scale equipment applying the laser is not in an actual working state, and has the advantages of simplicity in operation, high detection efficiency and the like. The test equipment of the laser in the embodiment of the application can detect the output power of the laser and the duty ratio of the laser through the control panel and the oscilloscope, and is simpler, more convenient and more efficient compared with the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a diagram of a laser testing apparatus at an angle according to an embodiment of the present application;
FIG. 2 is a diagram of a test setup of the laser at another angle in an embodiment of the present application;
FIG. 3 is a partial circuit diagram of the laser test equipment in an embodiment of the present application;
FIG. 4 is a wiring circuit diagram of the motor 50 in an embodiment of the present application;
fig. 5 is a circuit diagram of a connection of the terminal block 70 portion according to an embodiment of the present application;
fig. 6 is a terminal diagram of the terminal block 70 connected to the control panel 80, the oscilloscope 130, the programmable logic controller, and other elements according to an embodiment of the present application.
Description of reference numerals:
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
At present, a plurality of large-scale equipment applying the laser are difficult to move, and if the large-scale equipment applying the laser is required to be detected, the detection equipment can only be moved to the position of the large-scale equipment applying the laser. In the prior art, test equipment for detecting large equipment using a laser often needs the large equipment using the laser to be in an actual running state, and the work of the large equipment using the laser lacks enough simulation, so that potential safety hazards exist.
An embodiment of the application discloses a test device of a laser, which is used for detecting the output power of the laser and the duty ratio of laser.
Referring to fig. 1 and 2, fig. 1 is a structural diagram of a testing apparatus of a laser in an embodiment of the present application at one angle, and fig. 2 is a structural diagram of the testing apparatus of the laser in an embodiment of the present application at another angle.
As illustrated in fig. 1 and 2, the test apparatus of the laser includes: cabinet 10, transformer 20, one or more contactors 30, frequency converter 40, motor 50, one or more aerial sockets 60, terminal strip 70, control panel 80, switching power supply 90, one or more relays 100, circuit breaker 110, one or more outlets 120, and oscilloscope 130.
Wherein the transformer 20, the one or more contactors 30, the frequency converter 40, the motor 50, the one or more aerial sockets 60, the terminal strip 70, the control panel 80, the switching power supply 90, the one or more relays 100, the circuit breaker 110, the one or more sockets 120, and the oscilloscope 130 are installed in the cabinet 10.
The transformer 20 converts 380V ac power to 220V dc power and is electrically connected to one or more of the contactor 30, the switching power supply 90, and the circuit breaker 110; the frequency converter 40 is electrically connected with the motor 50 and used for controlling the motor 50; the frequency converter 40 is connected to the terminal block 70; one or more of the aerial plugs 60 are electrically connected to the terminal strip 70; the control panel 80 accesses the terminal block 70; the switching power supply 90 is used for converting 220V alternating current into 24V direct current, and the switching power supply 90 is electrically connected with one or more relays 100; one or more of the relays 100 are electrically connected to the control panel 80; the control panel 80 takes power from the switching power supply 90; one or more of the sockets 120 are electrically connected to the circuit breaker 110, and the oscilloscope 130 draws power from one or more of the sockets 120; the oscilloscope 130 is used for detecting the output power of the laser and the duty ratio of the laser.
In the test equipment of the laser in the embodiment of the present application, a 380V ac power supply is converted into a 220V dc power supply through the transformer 20, and a 220V ac power supply is converted into a 24V dc power supply through the switching power supply 90, so that the power is supplied to the motor 50, the control panel 80, and the oscilloscope 130. The laser-applied large-scale equipment is accessed through the aviation plug 60, the laser-applied large-scale equipment and electrical components such as the motor 50 are controlled through the terminal block 70 and the control panel 80, and the waveform of a laser control signal is detected through the oscilloscope 130, so that whether the laser control of the laser-applied large-scale equipment is good or not and whether a related control signal is accurate or not can be accurately judged. In the embodiment of the present application, the motor 50 can simulate the motor of the laser-applied large-scale device to rotate, which is beneficial to determining whether the motor driving signal of the laser-applied large-scale device can meet the requirement. The signal detection equipment in the embodiment of the application can detect the control signals of the laser, the motor and other devices under the condition that the large-scale equipment applying the laser is not in an actual working state, and has the advantages of simplicity in operation, high detection efficiency and the like. The test equipment for the laser in the embodiment of the present application can detect the output power of the laser and the duty ratio of the laser through the control panel 80 and the oscilloscope 130, and is simpler and more efficient compared with the prior art.
With continuing reference to fig. 1 and 2, in some embodiments of the present application, the cabinet 10 includes: a first compartment 11, a second compartment 12 and a third compartment 13; the first compartment 11, the second compartment 12 and the third compartment 13 are arranged in sequence. The transformer 20 and the frequency converter 40 are installed in the first compartment 11. One or more of the contactors 30, the terminal blocks 70, one or more of the relays 100, and the circuit breakers 110 are installed in the second compartment 12. The motor 50, the control panel 80, the switching power supply 90, one or more outlets 120, and the oscilloscope 130 are installed in the third compartment 13.
With continued reference to fig. 1 and 2, in some embodiments of the present application, one or more of the terminal assemblies 60 are mounted on one side of the cabinet 10, and the other side of the cabinet 10 is provided with a push-pull handle 14; the bottom surface of the cabinet 10 is provided with a plurality of sliding wheels 15.
With continued reference to fig. 1 and 2, in some embodiments of the present application, cable passing holes 16 are disposed between the first compartment 11 and the second compartment 12 and between the second compartment 12 and the third compartment 13.
With continued reference to fig. 1 and 2, in some embodiments of the present application, the side of the cabinet 10 that mounts the terminal 60 is provided with a curved bar 17 for support, and the curved bar 17 is curved outwardly.
With continued reference to fig. 1 and 2, in some embodiments of the present application, the shaft of the motor 50 passes through the top surface 131 of the third compartment 13.
Referring to fig. 3 and 4, fig. 3 is a circuit diagram of a portion of the testing apparatus for a laser according to an embodiment of the present disclosure, and fig. 4 is a wiring circuit diagram of the motor 50 according to an embodiment of the present disclosure. The circuit diagrams shown in fig. 3 and 4 are only one possible circuit diagram of the test equipment of the laser, and a person skilled in the art can design the corresponding circuit diagrams according to the configuration of the test equipment of the laser in the embodiment of the present application.
Referring to fig. 5 and fig. 6, fig. 5 is a circuit diagram illustrating a connection portion of the terminal block 70 according to an embodiment of the present disclosure, and fig. 6 is a terminal diagram illustrating the connection of the terminal block 70 with elements such as a control panel 80, an oscilloscope 130, and a programmable logic controller according to an embodiment of the present disclosure.
In fig. 5 and 6, the terminal Beam Switch, the terminal Laser On, the terminal Laser Request, the terminal Program Start, the terminal Reset Errors, the terminal Guide Laser On, the terminal analog control, the terminal Remote Laser power Switch, the terminal SC Reset, the terminal E-Stop In, the terminal +24V DC, the terminal LASERREADY, the terminal emisson, the terminal Laser ERROR, the terminal LASER ASSIGNED, and the terminal Laser On access control panel 80.
The terminal Laser on, the terminal Laser request, the terminal Program start, the terminal Laser Al reset, the terminal Guide Laser, the terminal Analog constant, the terminal Laser read, the terminal Laser error, the terminal Laser aligned and the terminal Laser on are connected into the programmable logic controller.
The terminal 14a04, the terminal 15a04, the terminal 17F01, the terminal 18F01, the terminal 19F01, the terminal 20F01, the terminal 22F01, the terminal 25F01, and the terminal 26F01 are connected to the laser.
An embodiment of the application discloses a laser testing method, which is applied to any one of the laser testing devices. The laser testing method is used for detecting the output power of a laser and the duty ratio of laser, and comprises the following steps:
electrically connecting an aerial plug on test equipment of the laser with an aerial plug on application equipment of the laser;
setting the output power of the laser to be P through a programmable logic controller on application equipment of the laser;
reading the voltage value U at the moment through an oscilloscope on the test equipment of the laser;
when the voltage value U is equal to
When the power output of the laser is P, the output power of the laser meets the preset standard;
Uerefers to the rated voltage, P, of the lasereRefers to the rated power of the laser;
setting the working frequency of the laser to be f and the duty ratio x of the laser by a programmable logic controller on application equipment of the laser; the period T of the laser is equal to
Acquiring a current waveform and selecting a waveform of a period T through an oscilloscope on test equipment of the laser;
calculating whether the ratio of the lattice number of the wave crest to the lattice number of the wave trough or the ratio of the lattice number of the wave trough to the lattice number of the wave crest on the waveform of one period T is equal to the duty ratio x or not;
and when the ratio of the lattice number of the wave crest to the lattice number of the wave trough or the ratio of the lattice number of the wave trough to the lattice number of the wave crest on the waveform of one period T is equal to the duty ratio x, the duty ratio of the laser meets a preset standard.
In the test method of the laser in the embodiment of the application, the aerial plug on the test equipment of the laser is electrically connected with the aerial plug on the application equipment of the laser, the output power of the laser is set to be P through the programmable logic controller on the application equipment of the laser, the voltage value U at the moment is read through the oscilloscope on the test equipment of the laser, and when the voltage value U is equal to the voltage value U, the aerial plug on the test equipment of the laser is electrically connected with the aerial plug on the application equipment of the laser
And the output power of the laser is P and meets the preset standard. Therefore, the test method of the laser can simply and conveniently test whether the output power P of the laser meets the preset standard. According to the test method of the laser, the working frequency f of the laser and the duty ratio x of the laser are set through the programmable logic controller on the application equipment of the laser, the waveform at the moment is obtained through the oscilloscope on the test equipment of the laser, the waveform of one period T is selected, and whether the ratio of the number of the grids of the wave crests to the number of the grids of the wave troughs or the ratio of the number of the grids of the wave troughs to the number of the grids of the wave crests on the waveform of one period T is equal to the duty ratio x or not is calculated, so that whether the duty ratio of the laser meets the preset standard or not can be simply and conveniently measured through the test method of the laser.
When the techniques in the various embodiments described above are implemented using software, the computer instructions and/or data to implement the various embodiments described above may be stored on a computer-readable medium or transmitted as one or more instructions or code on a readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that a computer can store. Taking this as an example but not limiting: computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Further, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (7)
1. A test apparatus for a laser for detecting an output power of the laser and a duty cycle of the laser, comprising: a cabinet (10), a transformer (20), one or more contactors (30), a frequency converter (40), a motor (50), one or more aerial sockets (60), a terminal strip (70), a control panel (80), a switching power supply (90), one or more relays (100), a circuit breaker (110), one or more outlets (120), and an oscilloscope (130); wherein the transformer (20), the one or more contactors (30), the frequency converter (40), the motor (50), the one or more aerial sockets (60), the terminal block (70), the control panel (80), the switching power supply (90), the one or more relays (100), the circuit breaker (110), the one or more outlets (120), and the oscilloscope (130) are installed in the cabinet (10);
the transformer (20) converts 380V AC power to 220V DC power and is electrically connected to one or more of the contactor (30), the switching power supply (90) and the circuit breaker (110); the frequency converter (40) is electrically connected with the motor (50) and used for controlling the motor (50); the frequency converter (40) is connected into the terminal block (70); one or more of the aerial plugs (60) are electrically connected with the terminal strip (70); the control panel (80) is connected to the terminal block (70); the switching power supply (90) is used for converting 220V alternating current into 24V direct current, and the switching power supply (90) is electrically connected with one or more relays (100); one or more of the relays (100) are electrically connected with the control panel (80); the control panel (80) takes electricity from the switching power supply (90); one or more of the sockets (120) are electrically connected with the circuit breaker (110), and the oscilloscope (130) draws power from one or more of the sockets (120); the oscilloscope (130) is used for detecting the output power of the laser and the duty ratio of the laser.
2. The test equipment of the laser according to claim 1, characterized in that said cabinet (10) comprises: a first compartment (11), a second compartment (12) and a third compartment (13); -said first compartment (11), said second compartment (12) and said third compartment (13) are arranged in sequence; the transformer (20) and the frequency converter (40) are housed in the first compartment (11); one or more of the contactors (30), the terminal blocks (70), one or more of the relays (100), and the circuit breaker (110) are housed within the second compartment (12); the motor (50), the control panel (80), the switching power supply (90), one or more sockets (120), and the oscilloscope (130) are installed in the third compartment (13).
3. The laser testing apparatus according to claim 1 or 2, wherein one or more of the aerial sockets (60) are mounted on one side of the cabinet (10), and the other side of the cabinet (10) is provided with a push-pull handle (14); the bottom surface of the machine cabinet (10) is provided with a plurality of sliding wheels (15).
4. The apparatus for testing lasers according to claim 3, characterized in that cable transit holes (16) are provided between the first compartment (11) and the second compartment (12) and between the second compartment (12) and the third compartment (13).
5. The laser testing apparatus according to claim 3, wherein the side of the cabinet (10) where the aerial insertion (60) is installed is provided with a curved bar (17) for support, the curved bar (17) being bent outward.
6. The laser testing apparatus according to claim 2, wherein the axis of rotation of the motor (50) passes through the top surface (131) of the third compartment (13).
7. A laser testing method for detecting the output power of a laser and the duty cycle of the laser, which is applied to the laser testing apparatus of any one of claims 1 to 6, and comprises:
electrically connecting an aerial plug on test equipment of the laser with an aerial plug on application equipment of the laser;
setting the output power of the laser to be P through a programmable logic controller on application equipment of the laser;
reading the voltage value U at the moment through an oscilloscope on the test equipment of the laser;
when the voltage value U is equal to
When the power output of the laser is P, the output power of the laser meets the preset standard;
Uerefers to the rated voltage, P, of the lasereRefers to the rated power of the laser;
setting the working frequency of the laser to be f and the duty ratio x of the laser by a programmable logic controller on application equipment of the laser; the period T of the laser is equal to
Acquiring a current waveform and selecting a waveform of a period T through an oscilloscope on test equipment of the laser;
calculating whether the ratio of the lattice number of the wave crest to the lattice number of the wave trough or the ratio of the lattice number of the wave trough to the lattice number of the wave crest on the waveform of one period T is equal to the duty ratio x or not;
and when the ratio of the lattice number of the wave crest to the lattice number of the wave trough or the ratio of the lattice number of the wave trough to the lattice number of the wave crest on the waveform of one period T is equal to the duty ratio x, the duty ratio of the laser meets a preset standard.
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| CN201811142476.3A CN110967553A (en) | 2018-09-28 | 2018-09-28 | Laser testing device and method |
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| CN201811142476.3A CN110967553A (en) | 2018-09-28 | 2018-09-28 | Laser testing device and method |
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Effective date of registration: 20220127 Address after: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Applicant after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Applicant after: Shenzhen Han nationality Guangpu Technology Co., Ltd Address before: 518000 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Applicant before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Applicant before: Han nationality laser Intelligent Equipment Group Co., Ltd |