CN214558228U - Laser welding reflected light detection device - Google Patents
Laser welding reflected light detection device Download PDFInfo
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- CN214558228U CN214558228U CN202120117485.8U CN202120117485U CN214558228U CN 214558228 U CN214558228 U CN 214558228U CN 202120117485 U CN202120117485 U CN 202120117485U CN 214558228 U CN214558228 U CN 214558228U
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Abstract
The utility model discloses a laser welding reflected light detection device belongs to laser monitoring technology field, appears the technical problem that splashes easily when solving among the prior art welding. The laser processing device comprises a laser output device, wherein the laser output device is provided with a photoelectric sensor, and the photoelectric sensor is used for monitoring reflected light data emitted by a processed workpiece. Can monitor the reverberation data of being processed the work piece more conveniently to the realization provides the basis based on the settlement of multiple data to welding alarm threshold value, thereby realizes high-efficient, accurate monitoring laser data's purpose, the utility model discloses can improve the rate of accuracy of monitoring laser.
Description
Technical Field
The utility model relates to a laser monitoring technology field especially relates to a laser welding reverberation detection device.
Background
With the popularization of laser welding technology, the reflectivity in the laser welding process is different due to different laser absorption rates of materials of workpieces which cannot be processed. Through the detection of the reflected light intensity data, more accurate welding process parameters can be better provided for workpiece welding, and the existing laser welding reflected light detection device has the technical problem that the data monitoring is not accurate enough.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a laser welding reflected light detection device, which is used to solve the technical problem of welding spatter in the existing welding process.
In order to achieve the above object, the utility model provides a laser welding reverberation detection device:
the laser processing device comprises a laser output device, wherein the laser output device is provided with a photoelectric sensor, and the photoelectric sensor is used for monitoring reflected light data emitted by a processed workpiece.
Optionally, a plurality of photoelectric sensors are arranged at different angles away from the processed workpiece, and the plurality of photoelectric sensors form a reflected light detection array.
Optionally, the output end of the photoelectric sensor is electrically connected to a data processing device, and the data processing device is configured to calculate and output reflected light intensity data corresponding to reflected light data of the processed workpiece at different angles.
Optionally, the data processing device is electrically connected to a storage device, the storage device is configured to store a data set, and provide a basis for setting a welding alarm threshold based on the data set, where the data set includes: reflected light intensity data, welding angle, welding defocus and welding power.
Optionally, an angle between an output laser beam of the laser output device and the workpiece to be processed is α, an angle β completely symmetrical to α exists with reference to a beam incident point between the laser beam and the workpiece to be processed, and the photosensors are arranged in a virtual circular array centered on the β -angle output direction.
Optionally, the photosensors are arranged equidistantly.
The utility model has the advantages that: the reflected light data of the processed workpiece can be monitored more conveniently, so that a basis is provided for setting a welding alarm threshold value based on various data, and the aim of efficiently and accurately monitoring laser data is fulfilled.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of the arrangement structure of the photoelectric sensor of the present invention;
FIG. 3 is a schematic view of the connection structure between the devices of the present invention;
in the drawing, 1 denotes a laser output device, 2 denotes a workpiece to be processed, 3 denotes a photoelectric sensor, 4 denotes a data processing device, and 5 denotes a storage device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "inside", "upper", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, unless expressly stated or limited otherwise, the term "connected" is to be understood in a broad sense, e.g. fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1 and 2, in an embodiment of the present invention, the laser processing apparatus includes a laser output device 1, the laser output device 1 is provided with a photoelectric sensor 3, and the photoelectric sensor 3 is used for monitoring reflected light data emitted by a processed workpiece 2;
a plurality of photoelectric sensors 3 are arranged at different angles away from the processed workpiece 2, and the photoelectric sensors 3 form a reflected light detection array;
an angle between an output laser beam of the laser output device 1 and the workpiece 2 to be processed is α, an angle β completely symmetrical to α exists with reference to a beam incident point between the laser beam and the workpiece to be processed, and the photosensors 3 are arranged in a virtual circular array centered on the β -angle output direction.
In the present embodiment, since the plurality of photosensors 3 form a reflected light detection array, the reflected light data at a plurality of angles can be monitored by using the reflected light detection array, so that the accuracy of monitoring the reflected light can be improved.
The photoelectric sensors 3 are arranged at equal intervals.
Referring to fig. 3, in the present embodiment, the output end of the photosensor 3 is electrically connected to a data processing device 4, and the data processing device 4 is configured to calculate and output reflected light intensity data corresponding to reflected light data of different angles of the workpiece 2 to be processed;
the data processing device 4 is electrically connected with a storage device 5, the storage device 5 is used for storing a data set, and providing basis for setting a welding alarm threshold value based on the data set, and the data set comprises: reflected light intensity data, welding angle, welding defocus and welding power.
In this embodiment, the data processing device 4 can convert the reflected light data of different angles into corresponding reflected light intensity data, and can store the reflected light intensity data, the welding angle, the welding defocus amount and the welding power through the storage device 5, so as to provide a basis for setting the welding alarm threshold based on the above data.
The technical principle of the present invention is described above with reference to the specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (4)
1. The laser welding reflected light detection device is characterized by comprising a laser output device, wherein the laser output device is provided with a photoelectric sensor, the photoelectric sensor is used for monitoring reflected light data sent by a processed workpiece, a plurality of photoelectric sensors are arranged at different angles far away from the processed workpiece, the photoelectric sensors form a reflected light detection array, the output end of each photoelectric sensor is electrically connected with a data processing device, and the data processing device is used for calculating and outputting reflected light intensity corresponding to the reflected light data of the processed workpiece at different angles.
2. A laser welding reflected light detection apparatus as defined in claim 1, wherein the data processing device is electrically connected to a storage device, the storage device being configured to store a data set and provide a basis for setting a welding alarm threshold based on the data set, the data set comprising: reflected light data, welding angle, welding defocus and welding power.
3. The laser welding reflected light detection device according to claim 1, wherein an angle of an output laser beam of the laser output device to the workpiece to be processed is α, an angle β completely symmetrical to α exists with reference to a beam incident point between the laser beam and the workpiece to be processed, and the photosensors are arranged at a virtual circular array centered on the β -angle output direction.
4. The laser welding reflected light detection apparatus according to claim 3, wherein the photoelectric sensors are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120117485.8U CN214558228U (en) | 2021-01-15 | 2021-01-15 | Laser welding reflected light detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120117485.8U CN214558228U (en) | 2021-01-15 | 2021-01-15 | Laser welding reflected light detection device |
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| Publication Number | Publication Date |
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| CN214558228U true CN214558228U (en) | 2021-11-02 |
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| CN202120117485.8U Active CN214558228U (en) | 2021-01-15 | 2021-01-15 | Laser welding reflected light detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718131A (en) * | 2023-05-19 | 2023-09-08 | 国网宁夏电力有限公司中卫供电公司 | Digital abnormality alarm system of current transformer for transformer substation |
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2021
- 2021-01-15 CN CN202120117485.8U patent/CN214558228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718131A (en) * | 2023-05-19 | 2023-09-08 | 国网宁夏电力有限公司中卫供电公司 | Digital abnormality alarm system of current transformer for transformer substation |
| CN116718131B (en) * | 2023-05-19 | 2024-03-19 | 国网宁夏电力有限公司中卫供电公司 | Digital abnormality alarm system of current transformer for transformer substation |
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