CN220289964U - Multifunctional synchronous optical lens - Google Patents
Multifunctional synchronous optical lens Download PDFInfo
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- CN220289964U CN220289964U CN202321446810.0U CN202321446810U CN220289964U CN 220289964 U CN220289964 U CN 220289964U CN 202321446810 U CN202321446810 U CN 202321446810U CN 220289964 U CN220289964 U CN 220289964U
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- beam splitter
- lens
- temperature measuring
- measuring device
- laser
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- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 21
- 238000005476 soldering Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to a multifunctional synchronous optical lens, which comprises a laser emitter, a first beam splitter, a second beam splitter, a lens, an infrared temperature measuring device and a CCD camera, wherein the laser emitter is connected with the first beam splitter; the laser transmitter, the lens and the second beam splitter are all connected with the first beam splitter; the first beam splitter is internally provided with a first beam splitter for sending laser emitted by the laser emitter to the lens and emitting the laser and sending reflected light received by the lens to the second beam splitter; the infrared temperature measuring device and the CCD camera are both connected with the second beam splitter; the second beam splitter is internally provided with a second beam splitter for respectively transmitting the reflected light to the infrared temperature measuring device and the CCD camera; according to the utility model, the first beam splitter and the second beam splitter are connected with the laser transmitter, the lens, the infrared temperature measuring device and the CCD camera, the image of the welding position can be directly observed through the CCD camera, and the temperature of the welding position is detected through the infrared temperature measuring device, so that the constant temperature of a welding spot is ensured, and the requirement of precise welding is met.
Description
Technical Field
The utility model relates to the technical field of optical lenses, in particular to a multifunctional synchronous optical lens.
Background
In the soldering process, the minimum soldering temperature is 240 ℃, the temperature is too low to easily form cold solder joints, the maximum soldering temperature is 260 ℃, and the temperature is too high to easily deteriorate the quality of the solder joints. In the precision welding of the microelectronics industry, the conventional smt process cannot be used for welding due to the fact that the bonding pads are smaller and are more sensitive to temperature.
Disclosure of Invention
Based on the above description, the utility model provides a multifunctional synchronous optical lens, which is characterized in that a laser emitter, a lens, an infrared temperature measuring device and a CCD camera are connected through a first beam splitter and a second beam splitter, an image of a welding position can be directly observed through the CCD camera, and the temperature of the welding position is detected through the infrared temperature measuring device, so that the temperature of a welding spot is ensured to be constant, and the requirement of precise welding is met.
The technical scheme for solving the technical problems is as follows: a multifunctional synchronous optical lens comprises a laser transmitter, a first beam splitter, a second beam splitter, a lens, an infrared temperature measuring device and a CCD camera;
the laser transmitter, the lens and the second beam splitter are all connected with the first beam splitter; a first spectroscope is arranged in the first spectroscope and is used for sending the laser emitted by the laser emitter to the lens and emitting the laser, and sending the reflected light received by the lens to the second spectroscope;
the infrared temperature measuring device and the CCD camera are both connected with the second beam splitter; and a second beam splitter is arranged in the second beam splitter and is used for respectively transmitting the reflected light to the infrared temperature measuring device and the CCD camera.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the laser transmitter is connected with the first beam splitter through a light spot adjusting device; the light spot adjusting device is internally provided with a shaping cylinder capable of sliding horizontally and a driving device for driving the shaping cylinder to move.
Further, a micro lens array, an aspherical mirror and a space filtering small hole are coaxially arranged in the shaping cylinder; the micro lens array, the aspheric mirror and the space filtering small holes are sequentially arranged from the laser transmitter to the first spectroscope.
Further, the laser emitter is vertically arranged, and the laser emitter is connected with the shaping cylinder through an emitting device; and a reflecting mirror is obliquely arranged in the reflecting device.
Further, an imaging objective lens is arranged in the lens.
Further, the laser transmitter is connected with the side wall of the first beam splitter, the lens is arranged at the bottom of the first beam splitter, and the second beam splitter is arranged at the top of the first beam splitter; the first spectroscope is obliquely arranged, and the laser emitter and the lens are positioned on the same side of the first spectroscope.
Further, the infrared temperature measuring device is arranged on the side wall of the second beam splitter, and the CCD camera is arranged on the top of the second beam splitter; the second beam splitter is obliquely arranged, and the infrared temperature measuring device and the first beam splitter are positioned on the same side of the second beam splitter.
Further, the laser transmitter and the infrared temperature measuring device are respectively connected with two opposite sides of the first beam splitter and the second beam splitter, and the inclination directions of the first beam splitter and the second beam splitter are opposite.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
1. according to the utility model, the first beam splitter and the second beam splitter are connected with the laser transmitter, the lens, the infrared temperature measuring device and the CCD camera, the image of the welding position can be directly observed through the CCD camera, and the temperature of the welding position is detected through the infrared temperature measuring device, so that the constant temperature of a welding spot is ensured, and the requirement of precise welding is met;
2. and a light spot adjusting device is arranged between the laser emitter and the first beam splitter, so that the size of the quasi-value light spot is changed, and the focus position is changed.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional synchronous optical lens according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of a shaping cylinder according to an embodiment of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
1. a laser emitter; 2. a reflector; 21. a reflecting mirror; 3. a flare adjusting device; 31. shaping cylinder; 32. a microlens array; 33. an aspherical mirror; 34. a spatial filtering aperture; 4. a first beam splitter; 41. a first spectroscope; 5. a second beam splitter; 51. a second beam splitter; 6. a lens; 61. an imaging objective; 7. an infrared temperature measuring device; 8. a CCD camera.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described 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 application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be appreciated that spatially relative terms such as "under …," "under …," "below," "under …," "over …," "above," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under …" and "under …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
The multifunctional synchronous optical lens as shown in fig. 1 and 2 comprises a laser emitter 1, a reflector 2, a light spot adjusting device 3, a first beam splitter 4, a second beam splitter 5, a lens 6, an infrared temperature measuring device 7 and a CCD camera 8.
Wherein the laser transmitter 1 is vertically arranged and emits laser light downward.
The reflector 2 is connected with the bottom of the laser transmitter 1, and the facula adjusting device 3 is horizontally arranged, and one end of the facula adjusting device 3 is connected with the side wall of the reflector 2. A reflecting mirror 21 is obliquely provided in the reflector 2, and the reflecting mirror 21 emits the laser light emitted downward from the laser emitter 1 and causes the laser light to be horizontally taken into the spot adjusting device 3.
The other end of the spot adjusting device 3 is connected to the side wall of the first beam splitter 4, and the lens 6 is disposed at the bottom of the first beam splitter 4, and the second beam splitter 5 is disposed at the top of the first beam splitter 4. The first beam splitter 4 is obliquely provided with a first beam splitter 41, and the spot adjusting device 3 and the lens 6 are positioned on the same side of the first beam splitter 41. An imaging objective 61 is provided in the lens 6.
The first spectroscope 41 focuses the laser beam emitted from the spot adjusting device 3 to the welding position by reflection from the lens 6, thereby realizing soldering by laser heating. In addition, the lens 6 receives reflected light from the welding position, and the reflected light passes through the first beam splitter 41 to enter the second beam splitter 5.
The infrared temperature measuring device 7 is arranged on the side wall of the second beam splitter 5, and the CCD camera 8 is arranged on the top of the second beam splitter 5. The second beam splitter 5 is obliquely provided with a second beam splitter 51, and the infrared temperature measuring device 7 and the first beam splitter 4 are located on the same side of the second beam splitter 51.
The second beam splitter 51 sends the reflected light to the infrared temperature measuring device 7 and the CCD camera 8, respectively, and specifically, the reflected light enters the infrared temperature measuring device 7 through reflection of the second beam splitter 51, and the reflected light enters the CCD camera 8 through the second beam splitter 51.
In this embodiment, the laser transmitter 1 and the infrared temperature measuring device 7 are respectively connected to two opposite sides of the first beam splitter 4 and the second beam splitter 5, and the inclination directions of the first beam splitter 41 and the second beam splitter 51 are opposite.
In the embodiment, the first beam splitter 4 and the second beam splitter 5 are connected with the laser emitter 1, the lens 6, the infrared temperature measuring device 7 and the CCD camera 8, the welding position image can be directly observed through the CCD camera 8, and the temperature of the welding position is detected through the infrared temperature measuring device 7, so that the temperature of a welding spot is ensured to be constant, and the requirement of precise welding is met.
In order to change the spot size of the collimation value, a change in the focal position is formed, and the laser beam is focused to the welding position, and a shaping cylinder 31 which can slide horizontally and a driving device which drives the shaping cylinder to move 31 are provided in the spot adjusting device 3. Preferably, the shaping cylinder 31 is slidable within the spot adjusting device 3 via an optical track and is driven by a servo motor.
As shown in fig. 3, a microlens array 32, an aspherical mirror 33, and a spatial filter aperture 34 are coaxially disposed within the shaping cylinder 31. The microlens array 32, the aspherical mirror 33, and the spatial filter aperture 34 are arranged in this order from the reflector 2 to the first beam splitter 4. The microlenses on the microlens array 32 are circular lenses, the laser beam passes through the microlenses on the microlens array 32, before focusing on the focal length of the aspherical mirror 33, reaches the main axis position (focal length position of the aspherical mirror 33) and diverges into circular spots, the circular spots formed by the microlenses at the positions are highly overlapped due to the aspherical mirror 33 for focusing and the spherical aberration is only a few microns in the radial direction, so that the circular spots with uniform intensity distribution and clear boundaries are obtained, and the circular spots are imaged by the imaging lens 61 to obtain light spots. The position of the spatially filtered aperture 34 is such that it is at the shortest radial diameter of the laser beam for optimal filtering. The spot size can be adjusted by driving the shaping cylinder 31 to move by the driving device, and the change of the focusing focus position is formed.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The multifunctional synchronous optical lens is characterized by comprising a laser emitter, a first beam splitter, a second beam splitter, a lens, an infrared temperature measuring device and a CCD camera;
the laser transmitter, the lens and the second beam splitter are all connected with the first beam splitter; a first spectroscope is arranged in the first spectroscope and is used for sending the laser emitted by the laser emitter to the lens and emitting the laser, and sending the reflected light received by the lens to the second spectroscope;
the infrared temperature measuring device and the CCD camera are both connected with the second beam splitter; a second beam splitter is arranged in the second beam splitter and is used for respectively transmitting the reflected light to the infrared temperature measuring device and the CCD camera;
the laser transmitter is connected with the first beam splitter through a light spot adjusting device; a shaping cylinder capable of sliding horizontally and a driving device for driving the shaping cylinder to move are arranged in the light spot adjusting device; a micro lens array, an aspherical mirror and a space filtering small hole are coaxially arranged in the shaping cylinder; the micro lens array, the aspheric mirror and the space filtering small holes are sequentially arranged from the laser transmitter to the first spectroscope.
2. The multifunctional synchronous optical lens according to claim 1, wherein the laser transmitter is arranged vertically, and the laser transmitter and the shaping cylinder are connected through a transmitting device; and a reflecting mirror is obliquely arranged in the emitting device.
3. The multifunctional simultaneous optical lens of claim 1, wherein an imaging objective is disposed within the lens.
4. The multifunctional synchronous optical lens of claim 1, wherein the laser transmitter is connected with the side wall of the first beam splitter, the lens is arranged at the bottom of the first beam splitter, and the second beam splitter is arranged at the top of the first beam splitter; the first spectroscope is obliquely arranged, and the laser emitter and the lens are positioned on the same side of the first spectroscope.
5. The multifunctional synchronous optical lens according to claim 4, wherein the infrared temperature measuring device is arranged on the side wall of the second beam splitter, and the CCD camera is arranged on the top of the second beam splitter; the second beam splitter is obliquely arranged, and the infrared temperature measuring device and the first beam splitter are positioned on the same side of the second beam splitter.
6. The multifunctional synchronous optical lens of claim 5, wherein the laser transmitter and the infrared temperature measuring device are respectively connected with two opposite sides of the first beam splitter and the second beam splitter, and the inclination directions of the first beam splitter and the second beam splitter are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321446810.0U CN220289964U (en) | 2023-06-07 | 2023-06-07 | Multifunctional synchronous optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321446810.0U CN220289964U (en) | 2023-06-07 | 2023-06-07 | Multifunctional synchronous optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289964U true CN220289964U (en) | 2024-01-02 |
Family
ID=89328524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321446810.0U Active CN220289964U (en) | 2023-06-07 | 2023-06-07 | Multifunctional synchronous optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289964U (en) |
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2023
- 2023-06-07 CN CN202321446810.0U patent/CN220289964U/en active Active
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