CN217637928U - Large-size light spot uniformity imaging testing device - Google Patents
Large-size light spot uniformity imaging testing device Download PDFInfo
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- CN217637928U CN217637928U CN202221078850.XU CN202221078850U CN217637928U CN 217637928 U CN217637928 U CN 217637928U CN 202221078850 U CN202221078850 U CN 202221078850U CN 217637928 U CN217637928 U CN 217637928U
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Abstract
The utility model relates to a facula testing arrangement technical field especially relates to jumbo size facula homogeneity formation of image testing arrangement, including the test platen, test platen inner wall left side is provided with laser irradiator, the laser irradiator right side is provided with horizontal regulating part, just be provided with the frame on the horizontal regulating part, the frame includes the connecting plate, the connecting plate top is connected with the lantern ring, just lantern ring inner wall is provided with the glass target surface, glass target surface right side contactless is provided with the CCD camera, just the CCD camera is installed at the test platen inner wall. The utility model discloses a plate special membrane in the glass target surface outside, reduce the transmittance, with the glass target surface at the inside rotation of lantern ring, make different shapes printing opacity grooves flush with support light emission end respectively on the glass target surface, the big facula that awaits measuring is through the formation of image of imaging lens to the CCD camera on, through the facula distribution on the analysis CCD camera image, can calculate facula homogeneity parameter fast, improves homogeneity detection efficiency.
Description
Technical Field
The utility model relates to a facula testing arrangement technical field especially relates to jumbo size facula homogeneity formation of image testing arrangement.
Background
The spot power density uniformity index is an important parameter for evaluating the performance of a laser spot, and the means for evaluating the spot uniformity is to drive the laser spot into a CCD for measurement.
For the measurement of the large-size light spot because the size of the CCD is far smaller than that of the light spot, a power meter with a small target surface is usually adopted to respectively and sequentially measure the power density of a plurality of position points at different positions on the light spot, and then the power density uniformity is calculated.
The power density measurement that forms to different shape faculas in traditional measuring method needs to use different glass target surfaces to measure in proper order, need frequently to change the glass target surface among the measurement process, and the operating means is loaded down with trivial details, and the test required time is long. A large-sized spot uniformity imaging test device is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the problem proposed in the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the large-size light spot uniformity imaging testing device comprises a testing platen, wherein a laser irradiator is arranged on the left side of the inner wall of the testing platen, a transverse adjusting piece is arranged on the right side of the laser irradiator, a frame is arranged on the transverse adjusting piece and comprises a connecting plate, the top end of the connecting plate is connected with a lantern ring, the inner wall of the lantern ring is provided with a glass target surface, the right side of the glass target surface is not in contact with a CCD camera, the CCD camera is arranged on the inner wall of the testing platen, and an imaging lens is arranged at the contact end of the CCD camera.
Preferably, the laser irradiator comprises the support of laser instrument body with the installation of laser instrument body top, the light irradiation end of support flushes with the well below of glass target surface, flushes through the receiving end of support, glass target surface and CCD camera, makes things convenient for the CCD camera to receive the facula.
Preferably, the horizontal adjusting part includes the bedplate, the bedplate bottom is inserted through the recess and is equipped with the regulating plate, the regulating plate right side is connected with the baffle, the regulating plate left side is connected with the laser instrument body, removes through the regulating plate to the bedplate and guides, improves the stationarity that the bedplate removed.
Preferably, the recess inner wall of bedplate is provided with the rectangle lug, and the rectangle lug inlays through the spout and establishes at the regulating plate avris, the regulating plate top is smooth arc surface, and smooth arc surface through the regulating plate sets up, improves the smoothness nature of bedplate when moving on the regulating plate.
Preferably, the position department that the regulating plate is close on laser instrument body right side is connected with the dipperstick, just the dipperstick surface is forty-five degrees inclination, it has the pointer to contradict on the inclined plane of dipperstick, just the pointer top is connected fixedly with the connecting plate, mutually supports the displacement distance to the bedplate through dipperstick and pointer and carries out accurate control, makes things convenient for the data record contrast.
Preferably, the glass target surface outside side is opened and is equipped with the ring recess, and ring recess outside cover is equipped with the lantern ring, the light-permeable groove of a plurality of different shapes is seted up in the surrounding of glass target surface, and the light irradiation point coincidence of light-permeable groove through the different shapes of glass target surface and support observes the degree of consistency that different shapes facula distribute.
Preferably, the lantern ring top is provided with the setting element, the setting element includes the screw thread axle, the screw thread axle bottom runs through the screw hole and inserts and establish on the lantern ring, the screw thread axle bottom rotates and is connected with the carousel, just the carousel bottom is connected with the rubber disc, the rubber disc bottom is contradicted inside the annular of glass target surface, moves down in the rotation through the screw thread axle and extrudees the propelling movement to the rubber disc, has increased the frictional force when glass target surface rotates.
The utility model discloses possess following beneficial effect at least:
1. through setting up frame and glass target surface, realize the homogeneity test to different shape faculas, compare in traditional structure, this device is through plating special membrane in the glass target surface outside, reduce the transmittance, simultaneously with the glass target surface at the inside rotation of lantern ring, make different shape light traps flush with support light emission end respectively on the glass target surface, the big facula that awaits measuring is on imaging lens formation of image to the CCD camera, through the facula distribution on the analysis CCD camera image, can calculate facula homogeneity parameter fast, improve homogeneity detection efficiency.
2. Through setting up horizontal regulating part, realize the influence test of interval to the formation of image homogeneity between glass target surface and the support, this device passes through the bedplate and moves on the regulating plate, and the bedplate makes different positions on pointer and the dipperstick correspond in moving to make the record, conveniently measure the influence that laser instrument body and glass target surface interval led to the fact the formation of image homogeneity of light spot fast, further improvement measuring precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is an external structural schematic diagram of a large-size light spot uniformity imaging testing device provided by the present invention;
fig. 2 is a schematic perspective view of a transverse adjusting member in the large-size light spot uniformity imaging testing device provided by the present invention;
FIG. 3 is a three-dimensional crack schematic view of the connection structure between the frame and the glass target surface of the large-size light spot uniformity imaging test device provided by the present invention;
fig. 4 is a schematic view of a three-dimensional burst of a local structure of a frame in the large-size light spot uniformity imaging testing device provided by the present invention;
fig. 5 is the utility model provides a connection structure three-dimensional burst schematic diagram of CCD camera and imaging lens among jumbo size facula homogeneity formation of image testing arrangement.
In the figure: 1. a test platen; 2. a laser irradiator; 21. a laser body; 22. a support; 3. a lateral adjustment member; 31. a seat plate; 32. an adjusting plate; 33. a baffle plate; 34. a pointer; 35. measuring a scale; 4. a frame; 41. a connecting plate; 42. a collar; 43. a positioning member; 431. a threaded shaft; 432. a turntable; 433. a rubber disc; 5. a glass target surface; 6. a CCD camera; 7. an imaging lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, the large-size light spot uniformity imaging testing device comprises a testing platen 1, wherein a laser irradiator 2 is arranged on the left side of the inner wall of the testing platen 1, a transverse adjusting piece 3 is arranged on the right side of the laser irradiator 2, a frame 4 is arranged on the transverse adjusting piece 3, the frame 4 comprises a connecting plate 41, the top end of the connecting plate 41 is connected with a lantern ring 42, a glass target surface 5 is arranged on the inner wall of the lantern ring 42, a CCD camera 6 is arranged on the right side of the glass target surface 5 in a non-contact manner, the CCD camera 6 is arranged on the inner wall of the testing platen 1, and an imaging lens 7 is arranged at the contact end of the CCD camera 6;
the laser irradiator 2 consists of a laser body 21 and a support 22 arranged at the top end of the laser body 21, and the light irradiation end of the support 22 is flush with the middle lower part of the glass target surface 5;
the transverse adjusting piece 3 comprises a seat plate 31, an adjusting plate 32 is inserted at the bottom end of the seat plate 31 through a groove, a baffle 33 is connected to the right side of the adjusting plate 32, and a laser body 21 is connected to the left side of the adjusting plate 32;
a rectangular convex block is arranged on the inner wall of the groove of the seat plate 31 and embedded at the side of the adjusting plate 32 through a sliding groove, and the top end of the adjusting plate 32 is a smooth arc surface;
a measuring ruler 35 is connected to the position, close to the adjusting plate 32, on the right side of the laser body 21, the surface of the measuring ruler 35 is at an inclination angle of forty-five degrees, a pointer 34 is abutted on the inclined surface of the measuring ruler 35, and the top end of the pointer 34 is connected and fixed with the connecting plate 41;
a circular ring groove is formed in the outer side of the glass target surface 5, a lantern ring 42 is sleeved outside the circular ring groove, and a plurality of light-transmitting grooves in different shapes are formed in the surface of the glass target surface 5 in a surrounding mode;
the top end of the lantern ring 42 is provided with a positioning part 43, the positioning part 43 comprises a threaded shaft 431, the bottom end of the threaded shaft 431 is inserted into the lantern ring 42 through a threaded hole, the bottom end of the threaded shaft 431 is rotatably connected with a rotary table 432, the bottom end of the rotary table 432 is connected with a rubber disc 433, and the bottom end of the rubber disc 433 is abutted inside an annular groove of the glass target surface 5.
Through the support 22, the glass target surface 5 is flush with the receiving end of the CCD camera 6, the light spots can be conveniently received by the CCD camera 6, the observation and analysis of the light spots distributed on the image of the CCD camera 6 by workers are convenient, the light spot uniformity test effect of the workers is improved, the movement of the seat plate 31 is guided through the adjusting plate 32, the moving stability of the seat plate 31 is improved, the deviation of the seat plate 31 in the movement is avoided, the light-transmitting light spot forming effect of the glass target surface 5 is influenced, meanwhile, the baffle 33 blocks the movement of the seat plate 31, the maximum moving distance of the seat plate 31 is limited, the smoothness of the seat plate 31 moving on the adjusting plate 32 is improved through the smooth arc surface arrangement of the adjusting plate 32, the workers can conveniently stir and adjust the seat plate 31, meanwhile, the rectangular convex block through the seat plate 31 is embedded in the sliding groove at the side of the adjusting plate 32, the sliding groove of the adjusting plate 32 limits the rectangular convex block, avoid bedplate 31 in use to be taken or knocked down easily, mutually support through dipperstick 35 and pointer 34 and carry out accurate control to the displacement distance of bedplate 31, make things convenient for the staff to carry out the record contrast of data, simultaneously the inclined plane design of regulating plate 32, make things convenient for the staff to go on the directive position of direct-viewing observation pointer 34 to dipperstick 35, through glass target surface 5 rotates in lantern ring 42 inside, make the light-transmitting groove of glass target surface 5 different shapes and the light irradiation point coincidence of support 22, can obtain the facula of different shapes through rotating glass target surface 5, thereby observe the degree of consistency that different shapes facula distribute, make things convenient for the staff to carry out the data record contrast, move down in the rotation of threaded shaft 431 and extrude the propelling movement to rubber disc 433, rubber disc 433 warp in the compression, thereby increased the frictional force when glass target surface 5 rotates, avoiding the glass target surface 5 from loosening during the test.
The working principle is as follows: according to the following drawings 3 and 4, the light emitted by the support 22 irradiates the surface of the glass target surface 5, the glass target surface 5 is rotated, the glass target surface 5 rotates in the lantern ring 42 to change the alignment positions of different light transmission grooves and the support 22, the threaded shaft 431 rotates, the threaded shaft 431 moves downwards in the rotation and pushes the turntable 432 to move, the turntable 432 pushes the rubber disc 433 to move in the movement, the rubber disc 433 is abutted against the outer side of the glass target surface 5, the glass target surface 5 is fixed, only a small part of laser is transmitted out of the glass target surface 5 through special coating treatment, a large light spot to be measured is imaged on the CCD camera 6 through the imaging lens 7, and the light spot uniformity parameter can be calculated by analyzing the light spot distribution on the image of the CCD camera 6;
secondly, according to the illustration in fig. 2, the worker pushes the seat plate 31, the seat plate 31 moves on the surface of the adjusting plate 32 to drive the connecting plate 41 to move, the connecting plate 41 changes the position of the glass target surface 5 in the moving process, and meanwhile, the connecting plate 41 drives the pointer 34 to move in the moving process, so that the pointer 34 is abutted to different positions on the surface of the measuring scale 35, and the worker can observe the record conveniently.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Large-size light spot uniformity imaging testing device comprises a testing platen (1) and is characterized in that a laser irradiator (2) is arranged on the left side of the inner wall of the testing platen (1), a transverse adjusting piece (3) is arranged on the right side of the laser irradiator (2), a frame (4) is arranged on the transverse adjusting piece (3), the frame (4) comprises a connecting plate (41), the top end of the connecting plate (41) is connected with a lantern ring (42), the inner wall of the lantern ring (42) is provided with a glass target surface (5), the right side of the glass target surface (5) is not in contact with a CCD camera (6), the CCD camera (6) is installed on the inner wall of the testing platen (1), and an imaging lens (7) is installed at the contact end of the CCD camera (6).
2. The large-size light spot uniformity imaging test device according to claim 1, wherein the laser irradiator (2) is composed of a laser body (21) and a support (22) mounted on the top end of the laser body (21), and the light irradiation end of the support (22) is flush with the middle lower part of the glass target surface (5).
3. The large-size light spot uniformity imaging test device according to claim 1, wherein the transverse adjusting member (3) comprises a base plate (31), an adjusting plate (32) is inserted into the bottom end of the base plate (31) through a groove, a baffle (33) is connected to the right side of the adjusting plate (32), and a laser body (21) is connected to the left side of the adjusting plate (32).
4. The large-size light spot uniformity imaging test device according to claim 3, wherein a rectangular bump is arranged on the inner wall of the groove of the seat plate (31), and the rectangular bump is embedded on the side of the adjusting plate (32) through a sliding groove, and the top end of the adjusting plate (32) is a smooth arc surface.
5. The large-size light spot uniformity imaging testing device according to claim 3, wherein a measuring ruler (35) is connected to a position on the right side of the laser body (21) close to the adjusting plate (32), the surface of the measuring ruler (35) has a forty-five degree inclination angle, a pointer (34) is abutted on the inclined surface of the measuring ruler (35), and the top end of the pointer (34) is connected and fixed with the connecting plate (41).
6. The large-size light spot uniformity imaging testing device according to claim 1, wherein a circular groove is formed in the outer side of the glass target surface (5), a lantern ring (42) is sleeved outside the circular groove, and a plurality of light-transmitting grooves with different shapes are formed in the surface of the glass target surface (5) in a surrounding manner.
7. The large-size light spot uniformity imaging testing device according to claim 6, wherein a positioning element (43) is arranged at the top end of the sleeve ring (42), the positioning element (43) comprises a threaded shaft (431), the bottom end of the threaded shaft (431) is inserted into the sleeve ring (42) through a threaded hole, a rotary table (432) is rotatably connected to the bottom end of the threaded shaft (431), a rubber disc (433) is connected to the bottom end of the rotary table (432), and the bottom end of the rubber disc (433) abuts against the inside of the ring groove of the glass target surface (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221078850.XU CN217637928U (en) | 2022-05-07 | 2022-05-07 | Large-size light spot uniformity imaging testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221078850.XU CN217637928U (en) | 2022-05-07 | 2022-05-07 | Large-size light spot uniformity imaging testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217637928U true CN217637928U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221078850.XU Active CN217637928U (en) | 2022-05-07 | 2022-05-07 | Large-size light spot uniformity imaging testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217637928U (en) |
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2022
- 2022-05-07 CN CN202221078850.XU patent/CN217637928U/en active Active
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