CN219200799U - Laser spot testing device and laser profile measuring instrument - Google Patents
Laser spot testing device and laser profile measuring instrument Download PDFInfo
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- CN219200799U CN219200799U CN202223597994.9U CN202223597994U CN219200799U CN 219200799 U CN219200799 U CN 219200799U CN 202223597994 U CN202223597994 U CN 202223597994U CN 219200799 U CN219200799 U CN 219200799U
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- laser
- guide rail
- intelligent camera
- testing device
- spot testing
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Abstract
The utility model relates to a laser spot testing device and a laser profile measuring instrument, comprising: the device comprises a sliding assembly, a transmitting assembly and a receiving assembly, wherein the sliding assembly comprises a supporting guide rail and a sliding plate, and the sliding plate is in sliding connection with the supporting guide rail; the emission component comprises a base, the base is arranged at one end of the supporting guide rail, and a laser to be detected is arranged on the base; the receiving assembly comprises an intelligent camera and an attenuation part, the intelligent camera and the attenuation part are both arranged on the sliding plate, the lens of the intelligent camera is opposite to the laser to be tested, and the attenuation part is arranged in front of the lens of the intelligent camera; the damping portion comprises a rotary disc, and a plurality of damping sheets are arranged on the rotary disc along the circumferential direction. The utility model is an improvement of a laser profile tester, has a simple structure, installs a receiving component on a supporting track, and calculates a diffusion angle according to the size of a measured light spot by changing the distance between a laser to be tested and an intelligent camera.
Description
Technical Field
The utility model relates to the technical field of medical detection, in particular to a laser spot testing device and a laser profile measuring instrument.
Background
The flow cytometer can sort and quantify cells, and is a high-tech instrument integrating cell and molecular biology, laser optical technology, fluid mechanics technology, photoelectric technology, algorithm identification technology and immunofluorescence technology.
The conventional flow cytometer internal laser spot detection system adopts a laser profile measuring instrument, and the existing laser profile measuring instrument is used for carrying out data analysis on spots through an internal intelligent camera after incident laser enters the flow cytometer internal laser spot detection system to obtain a measuring result of the spots; however, the spread angle of the laser cannot be detected, and it is difficult to adjust the collimation of the laser.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the laser profile measuring instrument in the prior art is difficult to detect the diffusion angle of laser.
In order to solve the above technical problems, the present utility model provides a laser spot testing device, including:
the sliding assembly comprises a supporting guide rail and a sliding plate, and the sliding plate is in sliding connection with the supporting guide rail;
the emission assembly comprises a base, the base is arranged at one end of the supporting guide rail, and a laser to be detected is arranged on the base;
the receiving assembly comprises an intelligent camera and an attenuation part, wherein the intelligent camera and the attenuation part are both arranged on the sliding plate, a lens of the intelligent camera is opposite to the laser to be tested, and the attenuation part is arranged in front of the lens of the intelligent camera; the damping portion comprises a rotary disc, and a plurality of damping sheets are arranged on the rotary disc along the circumferential direction.
In one embodiment of the utility model, the automatic calibration device further comprises a calibration assembly, wherein the calibration assembly comprises an adjusting bracket and a gold mark laser, the gold mark laser is arranged on the base, the adjusting bracket is arranged at one end of the sliding plate, which is close to the gold mark laser, and target paper is arranged on the adjusting bracket and is opposite to the gold mark laser.
In one embodiment of the utility model, the adjusting bracket comprises a fixing seat, an adjusting guide rail and a mounting plate, wherein the adjusting guide rail is arranged on the fixing seat along the radial direction of the supporting guide rail, the mounting plate is in sliding connection with the adjusting guide rail, and the target paper is arranged on the mounting plate.
In one embodiment of the utility model, the mounting plate is provided with a spring limit post, and the fixing seat is provided with a limit hole matched with the spring limit post.
In one embodiment of the utility model, the damping part comprises a supporting block, the supporting block is arranged on the sliding plate, a rotating shaft is arranged at the end part of the supporting block in a penetrating way, and the rotating disc is sleeved on the rotating shaft.
In one embodiment of the utility model, the attenuation sheet is arranged coaxially with the camera head of the smart camera.
In one embodiment of the utility model, the end of the smart camera lens is provided with a protective layer.
In one embodiment of the utility model, the damping pad is detachably connected to the turntable.
In one embodiment of the utility model, the bottom of the support rail is provided with an optical platform honeycomb plate.
A laser profile measuring instrument comprises the laser spot testing device.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the utility model relates to a laser spot testing device and a laser profile measuring instrument, which are an improvement of the laser profile measuring instrument, have simple structure, are provided with a receiving component arranged on a supporting track, and calculate a diffusion angle according to the size of a measured spot by changing the distance between a laser to be tested and an intelligent camera.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the slide assembly of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the transmitting assembly of FIG. 1;
FIG. 4 is a schematic diagram of the receiving assembly of FIG. 1;
FIG. 5 is a schematic view of the structure of the damping portion in FIG. 4;
FIG. 6 is a schematic diagram of the scaling assembly of FIG. 1;
FIG. 7 is a schematic diagram of the structure of the gold-labeled laser of FIG. 6;
FIG. 8 is a schematic view of the structure of the adjusting bracket of FIG. 6;
description of the specification reference numerals: 1. a sliding assembly; 2. a transmitting assembly; 3. a receiving assembly; 4. a scaling assembly; 5. an optical platform honeycomb plate; 11. a support rail; 12. a slide plate; 21. a base; 22. a laser to be tested; 31. an intelligent camera; 32. an attenuation section; 41. adjusting the bracket; 42. a gold mark laser; 43. target paper; 321. a turntable; 322. an attenuation sheet; 323. a support block; 324. a rotation shaft; 411. a fixing seat; 412. adjusting the guide rail; 413. a mounting plate; 414. a spring limit column; 415. a limiting hole; 416. and (5) positioning pins.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1-8, the utility model discloses a laser spot testing device, which comprises:
the sliding assembly 1, the sliding assembly 1 comprises a support guide rail 11 and a sliding plate 12, and the sliding plate 12 is in sliding connection with the support guide rail 11; the slide plate 12 reciprocates on the support rail 11 for adjusting the distance.
The emission assembly 2, the emission assembly 2 includes the base 21, the base 21 is set up in one end of the support rail 11, mount the laser 22 to be measured on the base 21; the base 21 is used for limiting one position of the laser 22 to be tested and fixing the initial position of the laser 22 to be tested.
The receiving assembly 3, the receiving assembly 3 comprises an intelligent camera 31 and an attenuation part 32, the intelligent camera 31 and the attenuation part 32 are arranged on the sliding plate 12, the lens of the intelligent camera 31 is opposite to the laser 22 to be tested, and the attenuation part 32 is arranged in front of the lens of the intelligent camera 31; the damping portion 32 includes a turntable 321, and the turntable 321 is provided with a plurality of damping sheets 322 in the circumferential direction. After the optical fiber emitted by the laser 22 to be tested passes through the attenuation sheet 322, the energy of the laser is partially attenuated and attenuated, so that the damage of the lens of the intelligent camera 31 caused by the too high laser energy is avoided.
According to the above structure, in the actual operation process, the laser 22 to be measured is mounted on the base 21, the corresponding attenuation piece 322 on the turntable 321 is adjusted, the corresponding attenuation piece 322 is coaxially arranged with the lens of the intelligent camera 31, the light spot of the laser 22 to be measured passes through the attenuation piece 322 and enters the intelligent camera 31, and the intelligent camera 31 analyzes the light spot; then, the sliding plate 12 is moved to drive the intelligent camera 31 and the attenuation sheet 322 to move for a certain distance, the light spot is measured again, and the diffusion angle of the laser 22 to be measured is obtained according to the measured data of the light spot of two times.
The utility model has simple structure, the laser profile measurement is arranged on the supporting track, and the diffusion angle is calculated according to the measured light spot size by changing the distance between the laser 22 to be measured and the intelligent camera 31.
Further, in order to guarantee measurement accuracy, the calibration assembly 4 is further included, the calibration assembly 4 comprises an adjusting bracket 41 and a gold mark laser 42, the gold mark laser 42 is arranged on the base 21, the adjusting bracket 41 is arranged at one end, close to the gold mark laser 42, of the sliding plate 12, target paper 43 is arranged on the adjusting bracket 41, and the target paper 43 is opposite to the gold mark laser 42.
Specifically, the directivity is first calibrated by adjusting the target paper 43 on the adjustment bracket 41 with the gold-labeled laser 42 as a measurement reference and the installation position thereof being identical to the installation position of the laser 22 to be measured. After the directivity calibration is completed, the directivity adjustment is performed, and the laser 22 to be measured needs to be mounted on the base 21 for adjustment.
Further, in order to facilitate the installation and the disassembly of the target paper 43, the installation and the disassembly are completed through the adjusting bracket 41 at the bottom of the target paper 43, specifically, the adjusting bracket 41 comprises a fixing seat 411, an adjusting guide rail 412 and a mounting plate 413, the adjusting guide rail 412 is arranged on the fixing seat 411 along the radial direction of the supporting guide rail 11, the mounting plate 413 is slidably connected with the adjusting guide rail 412, and the target paper 43 is arranged on the mounting plate 413.
It can be seen that the entire adjustment bracket 41 is provided on the slide plate 12, and that the adjustment of the adjustment bracket 41 is accomplished primarily by means of the reciprocating movement of the mounting plate 413 on the adjustment rail 412. As a preferable embodiment of the present utility model, in order to achieve rapid and precise switching of the target paper 43, a positioning pin 416 is provided at one end of the fixing seat 411, and the sliding mounting plate 413 contacts with the positioning pin 416 to confirm that the mounting plate 413 is slid in place.
Further, in order to avoid the movement of the mounting plate 413 caused by the false touch of the mounting plate 413 in the measurement process, a spring limiting column 414 is arranged on the mounting plate 413, and a limiting hole 415 matched with the spring limiting column 414 is arranged on the fixing seat 411. The spring limit posts 414 cooperate with the limit holes 415 to lock the mounting plate 413.
Further, the damping portion 32 includes a supporting block 323, the supporting block 323 is disposed on the sliding plate 12, a rotating shaft 324 is disposed at an end of the supporting block 323, and the turntable 321 is sleeved on the rotating shaft 324.
Specifically, the entire damping portion 32 is mounted on the slide plate 12, the supporting block 323 is used to form a support for the turntable 321, and the rotation shaft 324 is mounted on the supporting block 323 to provide a rotation point for the rotation of the turntable 321, and the turntable 321 rotates around the rotation shaft 324.
Further, the attenuation piece 322 is coaxially disposed with the camera head of the smart camera 31.
Further, a protective layer is arranged at the end part of the lens of the intelligent camera 31; specifically, install transparent glass board in intelligent camera 31 camera lens department, both can prevent that the dust from getting into inside the camera lens, guarantee the clear discernment of camera, secondly transparent glass board can also avoid causing the influence to the laser of penetrating.
Further, in order to facilitate replacement of the attenuation piece 322, the attenuation piece 322 is detachably connected with the turntable 321, specifically, the attenuation piece 322 is inserted and pulled, and then is fixed by a limit screw.
Further, in order to avoid interference from the outside during measurement, the bottom of the support rail 11 is provided with an optical platform honeycomb plate 5.
A laser profile measuring instrument comprises a laser spot testing device.
As a preferred scheme of the utility model, a set of corresponding software is developed aiming at the utility model, and a corresponding algorithm tool is arranged in the software, so that the photos shot by the intelligent camera 31 can be subjected to data analysis and calculation, and the customization requirement is met.
In summary, the utility model provides a laser spot testing device and a laser profile measuring instrument, and the specific operation flow is as follows: the laser 22 to be measured is arranged on the base 21, a laser power supply is turned on, the position of the sliding plate 12 to 50cm is adjusted, the power of the laser 22 to be measured is adjusted, the gray maximum value of a laser spot image is controlled to be about 200, and the spot size at the position of 50cm is measured; the power of the laser 22 to be measured is regulated again, the maximum value of the gray value of the laser spot is kept at about 200, the position of the slide plate 12 to 100cm is regulated, and the spot size at the position of 100cm is measured; comparing the size of the light spots in the X axis and Y axis directions to obtain the diffusion angle when the light spots are 50cm and 100 cm. The utility model has simple structure, the laser profile measurement is arranged on the supporting track, and the diffusion angle is calculated according to the measured light spot size by changing the distance between the laser 22 to be measured and the intelligent camera 31.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. The utility model provides a laser facula testing arrangement which characterized in that: comprising
The sliding assembly comprises a supporting guide rail and a sliding plate, and the sliding plate is in sliding connection with the supporting guide rail;
the emission assembly comprises a base, the base is arranged at one end of the supporting guide rail, and a laser to be detected is arranged on the base;
the receiving assembly comprises an intelligent camera and an attenuation part, wherein the intelligent camera and the attenuation part are both arranged on the sliding plate, a lens of the intelligent camera is opposite to the laser to be tested, and the attenuation part is arranged in front of the lens of the intelligent camera; the damping portion comprises a rotary disc, and a plurality of damping sheets are arranged on the rotary disc along the circumferential direction.
2. The laser spot testing device according to claim 1, wherein: the automatic calibration device comprises a base, and is characterized by further comprising a calibration assembly, wherein the calibration assembly comprises an adjustment bracket and a gold mark laser, the gold mark laser is arranged on the base, the adjustment bracket is arranged at one end of the sliding plate, which is close to the gold mark laser, and target paper is arranged on the adjustment bracket and is opposite to the gold mark laser.
3. The laser spot testing apparatus according to claim 2, wherein: the adjusting support comprises a fixing seat, an adjusting guide rail and an installing plate, wherein the adjusting guide rail is arranged on the fixing seat along the radial direction of the supporting guide rail, the installing plate is in sliding connection with the adjusting guide rail, and the target paper is arranged on the installing plate.
4. A laser spot testing device according to claim 3, wherein: the mounting plate is provided with a spring limiting column, and the fixing seat is provided with a limiting hole matched with the spring limiting column.
5. The laser spot testing device according to claim 1, wherein: the damping part comprises a supporting block, the supporting block is arranged on the sliding plate, a rotating shaft is arranged at the end part of the supporting block in a penetrating mode, and the rotating disc is sleeved on the rotating shaft.
6. The laser spot testing device according to claim 1, wherein: the attenuation sheet and the intelligent camera lens are coaxially arranged.
7. The laser spot testing device according to claim 1, wherein: the end part of the intelligent camera lens is provided with a protective layer.
8. The laser spot testing device according to claim 1, wherein: the damping piece is detachably connected with the turntable.
9. The laser spot testing device according to claim 1, wherein: an optical platform honeycomb plate is arranged at the bottom of the supporting guide rail.
10. A laser profile measuring apparatus comprising a laser spot testing device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597994.9U CN219200799U (en) | 2022-12-30 | 2022-12-30 | Laser spot testing device and laser profile measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223597994.9U CN219200799U (en) | 2022-12-30 | 2022-12-30 | Laser spot testing device and laser profile measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219200799U true CN219200799U (en) | 2023-06-16 |
Family
ID=86707751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223597994.9U Active CN219200799U (en) | 2022-12-30 | 2022-12-30 | Laser spot testing device and laser profile measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219200799U (en) |
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2022
- 2022-12-30 CN CN202223597994.9U patent/CN219200799U/en active Active
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