CN220602889U - Automatic lamp box for simulating gray level test card - Google Patents
Automatic lamp box for simulating gray level test card Download PDFInfo
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- CN220602889U CN220602889U CN202322351658.4U CN202322351658U CN220602889U CN 220602889 U CN220602889 U CN 220602889U CN 202322351658 U CN202322351658 U CN 202322351658U CN 220602889 U CN220602889 U CN 220602889U
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 239000013307 optical fiber Substances 0.000 claims description 52
- 239000004020 conductor Substances 0.000 claims description 23
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 3
- 238000003384 imaging method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an automatic lamp box for simulating a gray scale test card, which comprises a box body, a light equalizing plate, an integrating sphere, a gray scale block light source and an adjusting component, wherein a light emitting window is embedded in the front end surface of the box body, an outgoing light hole is arranged in the center position of the light emitting window, two slots are symmetrically arranged on the inner side wall of the box body, and the light equalizing plate is arranged in the slots; in the use, the gray scale block light source gives the adjusting part with the light beam emission for adjusting part is according to the user demand, after adjusting the income light aperture size of gray scale block light source to required size, penetrate into the integrating sphere through the second income light mouth, make the light beam of gray scale block light source keep the second light outlet of penetrating out after even, and the box is worn out from the through-hole, thereby the gray scale test card of the different test luminance of simulation, be used for detecting the equipment of different imaging quality, simultaneously in the test process, can realize the automatic switch of gray scale test card through adjusting part, need not to calibrate the installation, labour saving and time saving.
Description
Technical Field
The utility model relates to an automatic lamp box for simulating a gray-scale test card, and belongs to the technical field of camera shooting detection equipment.
Background
The existing image products are different day by day, the detection types of the corresponding products are various, and the imaging details, the image noise and the dynamic range of the products are key factors for measuring the quality of the products; the gray-scale test card is needed to be used for detecting the items, and as disclosed in the prior publication No. CN211093919U, the integrated quality control box of the medical soft endoscope tests parameters such as noise, contrast, camera glare and the like of an image through the gray-scale card; the gray-scale test card is divided into a plurality of steps from high to low according to the test brightness, the larger the number of the steps is, the wider the applicable detection range is, and the more accurate the detection result is, so that the quality of the gray-scale test card directly influences the detection result of an image product. However, when the existing detection device is used for measuring equipment with different imaging quality, the corresponding gray-scale test card needs to be replaced, and then the gray-scale test card is calibrated for measurement, so that the measurement is time-consuming and labor-consuming.
Disclosure of Invention
Therefore, the present utility model is directed to an automated light box for simulating gray-scale test cards, which solves the technical problems mentioned in the prior art.
An automated light box for simulating a gray scale test card, comprising:
the box body is internally provided with a light-emitting window on the front end face of the box body, an outgoing light hole is formed in the center of the light-emitting window, two slots are symmetrically formed in the inner side wall of the box body, and one ends of the two slots penetrate through the inner wall of the box body respectively and extend to be communicated with the inner side wall of the light-emitting window;
the light homogenizing plate is arranged in the slot and positioned at the inner side of the light emitting window, a plurality of optical fiber ports are formed in the light homogenizing plate, optical fiber conductors are respectively arranged in the optical fiber ports, and are connected to a background light source, and the background light source is conducted into the optical fiber ports through the optical fiber conductors and refracted to form a light curtain in the light emitting window to provide background light;
integrating sphere, the integrating sphere sets up in the box, the supporting seat is installed to the bottom of integrating sphere, the bottom of supporting seat is installed on the inner wall bottom of box, be provided with second income light mouth and second light outlet on the integrating sphere respectively, the second light outlet with go out the light hole and be connected with gray scale block light source, the second is gone into the light mouth and is connected with gray scale block light source through adjusting part, adjusting part is used for controlling gray scale block light source's income light path size.
Optionally, the adjusting component comprises a mounting box, the mounting box is mounted on the inner side wall of the box body, the inside of the mounting box is of a hollow structure, a lining plate is vertically mounted on the inner wall of the mounting box, so that two mutually independent first chambers and second chambers are formed in the mounting box, and the first chambers and the second chambers are located on opposite sides of the lining plate;
a light pipe is arranged on the outer surface of the mounting box, one end of the light pipe is connected with the second light inlet, and the other end of the light pipe is communicated with the first chamber;
the outer surface of the lining plate is provided with a through hole, the through hole coincides with the central axis of the light guide pipe, and the aperture of the through hole is the same as the inner diameter of the light guide pipe;
the gray scale block light source is arranged in the second cavity, and the incident direction of the gray scale block light source faces the through hole;
one end of the lining plate is provided with a baffle through a driving piece in a sliding manner, one end of the baffle is provided with a plurality of light penetrating holes side by side along the vertical direction, and the aperture of each light penetrating hole is gradually decreased from top to bottom, so that the central axis of each light penetrating hole can coincide with the central axis of the through hole when the baffle moves up and down, and the size of the light entering hole of the gray scale block light source is controlled.
Optionally, a distance between central axes of two adjacent light passing holes is larger than the aperture of the through hole.
Optionally, the driving member includes:
the motor is arranged at the bottom end of the first cavity, and the output end of the motor faces one side of the baffle plate;
one end of the screw rod is connected with the output end of the motor, and the other end of the screw rod is connected with the top end of the first chamber;
the two ends of the guide rod are respectively connected with the upper end and the lower end of the first chamber;
two sliding blocks are arranged on one side, far away from the lining plate, of the baffle plate, the two sliding blocks are positioned on two sides of the light penetrating hole, one sliding block is slidably arranged on the outer surface of the guide rod, and the other sliding block is arranged on the outer surface of the screw rod in a threaded manner;
the motor is connected with a background electric diaphragm driving aerial socket which is arranged on the outer side wall of the box body.
Optionally, the optical fiber mouth includes light refraction passageway, first income light mouth and first light outlet, first income light mouth with first light outlet sets up respectively the both ends of light refraction passageway, light refraction passageway sets up in the light-equalizing plate, first income light mouth is located the box is inboard, first light outlet is located in the luminous window, just first light outlet with the central axis mutually perpendicular of going out the light hole, fiber conductor's one end is installed in the first income light mouth, fiber conductor's the other end is connected to background light source.
Optionally, the integrating sphere is internally provided with BaSO with a light reflectivity of more than 98% 4 And (3) coating.
Optionally, a first brightness detector is installed on the outer side of the integrating sphere, and a probe of the first brightness detector is positioned in the integrating sphere;
the first brightness detector is connected with a first aviation socket, and the first aviation socket is mounted on the outer side wall of the box body.
Optionally, a second brightness detector is installed on the inner side wall of the box body, and the second brightness detector is located on the opposite side of the light-emitting window;
the second brightness detector is connected with a second aviation socket which is arranged on the outer side wall of the box body.
Optionally, a gray scale block optical fiber interface, a background optical fiber interface and a manual diaphragm interface are also respectively arranged on the outer side wall of the box body;
the gray scale block optical fiber interface is connected with the gray scale block light source;
the input ends of the background optical fiber interface and the manual diaphragm interface are respectively used for being connected with the background light source, the output end of the background optical fiber interface is connected with the optical fiber conductor on one of the light-homogenizing plates, and the output end of the manual diaphragm interface is connected with the optical fiber conductor on the other light-homogenizing plate.
Optionally, the light-emitting window is an acrylic diffuse reflection plate.
The utility model has the beneficial effects that:
according to the automatic lamp box for simulating the gray scale test card, the gray scale block light source emits the light beams to the adjusting component in the use process, so that the adjusting component adjusts the size of the light inlet aperture of the gray scale block light source to a required size according to the use requirement, the light beams are injected into the integrating sphere through the second light inlet, the light beams of the gray scale block light source are uniformly kept and then are emitted out of the second light outlet, and the light beams penetrate out of the box body from the light outlet, so that the gray scale test card with different test brightness is simulated and used for detecting equipment with different imaging quality, meanwhile, the automatic switching of the gray scale test card can be realized through the adjusting component in the test process, the calibration and the installation are not needed, and the time and the labor are saved.
Drawings
FIG. 1 is a schematic diagram of an automated light box for simulating gray-scale test cards according to the present utility model;
FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the utility model at A-A of FIG. 1;
FIG. 4 is a schematic structural diagram of the light-equalizing plate of FIG. 2 according to the present utility model;
FIG. 5 is a schematic view illustrating an internal structure of the case of FIG. 2 according to the present utility model;
FIG. 6 is an exploded view of the adjustment assembly of FIG. 5 in accordance with the present utility model;
in the figure: 1. a case; 2. a light emitting window; 3. an outgoing light hole; 4. a slot; 5. a light equalizing plate; 6. a light refracting channel; 7. a first light inlet; 8. a first light outlet; 9. an optical fiber conductor; 10. an integrating sphere; 11. a support base; 12. the second light inlet; 13. the second light outlet; 14. a gray scale block light source; 15. a mounting box; 16. a lining plate; 17. a first chamber; 18. a second chamber; 19. a light pipe; 20. a through hole; 21. a baffle; 22. penetrating the light hole; 23. a motor; 24. a screw rod; 25. a guide rod; 26. a slide block; 27. background electric diaphragm driving aviation socket; 28. a first brightness detector; 29. a first navigation jack; 30. a second brightness detector; 31. a second navigation jack; 32. gray scale block optical fiber interface; 33. a background fiber interface; 34. a manual diaphragm interface; 35. and (5) fastening a screw.
Detailed Description
The present utility model is described in detail below with reference to examples, but the present utility model is not limited to these examples.
As shown in fig. 1 to 6, the present utility model provides an automated light box for simulating a gray-scale test card, comprising:
the box body 1, the front end surface of the box body 1 is embedded with a light-emitting window 2, an outgoing light hole 3 is formed in the center position of the light-emitting window 2, two slots 4 are symmetrically formed in the inner side wall of the box body 1, and one ends of the two slots 4 penetrate through the inner wall of the box body 1 respectively and extend to be communicated with the inner side wall of the light-emitting window 2;
the light equalizing plate 5 is arranged in the slot 4 and positioned at the inner side of the light emitting window 2, a plurality of optical fiber ports are formed in the light equalizing plate 5, optical fiber conductors 9 are respectively arranged in the optical fiber ports, the optical fiber conductors 9 are connected to the background light source, and the background light source is conducted into the optical fiber ports through the optical fiber conductors 9 and refracted in the light emitting window 2 to provide background brightness;
the integrating sphere 10 is arranged in the box body 1, the bottom end of the integrating sphere 10 is fixedly arranged on the bottom end of the inner wall of the box body 1 through a supporting seat 11, a second light inlet 12 and a second light outlet 13 are respectively arranged on the integrating sphere 10, the second light outlet 13 is connected with the outgoing light hole 3, the second light inlet 12 is connected with a gray scale block light source 14 through an adjusting component, and the adjusting component is used for controlling the size of the light inlet aperture of the gray scale block light source 14; in the use, gray scale piece light source 14 gives adjusting part with the light beam emission for adjusting part is according to the user demand, after adjusting part is according to the income light aperture size of user's demand with gray scale piece light source 14, penetrate into integrating sphere 10 through second income light mouth 12, make the light beam of gray scale piece light source 14 keep evenly the back and go out second light outlet 13, and wear out box 1 from going out light hole 3, thereby simulate the gray scale test card of different test luminance, be used for detecting the equipment of different imaging quality, simultaneously in the test process, can realize the automatic switch of gray scale test card through adjusting part, need not the calibration installation, labour saving and time saving.
In the above, the optical fiber port includes the light refraction channel 6, the first light inlet 7 and the first light outlet 8 are respectively disposed at two ends of the light refraction channel 6, the light refraction channel 6 is disposed in the light equalizing plate 5, the first light inlet 7 is located inside the box 1, the first light outlet 8 is located in the light emitting window 2, and the first light outlet 8 is perpendicular to the central axis of the light outlet 3, one end of the optical fiber conductor 9 is mounted in the first light inlet 7 through the fastening screw 35, the other end of the optical fiber conductor 9 is connected to the background light source, so that the light beam is emitted into the light refraction channel 6 through the optical fiber conductor 9 by the background light source, and then the light beam is emitted into the light emitting window 2 from the first light outlet 8 to provide background brightness, wherein the light emitting window 2 is made of acrylic diffuse reflection plate, and the background uniformity is up to 80%.
Further, the adjusting assembly comprises a mounting box 15, the mounting box 15 is fixedly mounted on the inner side wall of the box body 1, the inside of the mounting box 15 is of a hollow structure, a lining plate 16 is vertically welded on the inner wall of the mounting box 15, so that two mutually independent first chambers 17 and second chambers 18 are formed in the inside of the mounting box 15, and the first chambers 17 and the second chambers 18 are positioned on opposite sides of the lining plate 16; the outer surface of the mounting box 15 is fixedly provided with a light pipe 19, one end of the light pipe 19 is connected with the second light inlet 12, and the other end of the light pipe 19 is communicated with the first chamber 17; the outer surface of the lining plate 16 is provided with a through hole 20, the through hole 20 coincides with the central axis of the light pipe 19, and the aperture of the through hole 20 is the same as the inner diameter of the light pipe 19; the gray scale block light source 14 is installed in the second chamber 18, and the incident direction of the gray scale block light source 14 faces the through hole 20; one end of the lining plate 16 is provided with a baffle plate 21 through a driving piece in a sliding manner, one end of the baffle plate 21 is provided with a plurality of light penetrating holes 22 side by side along the vertical direction, and the aperture of each light penetrating hole 22 is gradually decreased from top to bottom, so that the central axis of each light penetrating hole 22 can coincide with the central axis of the through hole 20 when the baffle plate 21 moves up and down, and the size of the light entering hole of the gray scale block light source 14 is controlled.
Further, the distance between the central axes of two adjacent light passing holes 22 is larger than the aperture of the through hole 20, so that when one light passing hole 22 on the baffle 21 is in a matched state with the through hole 20, the rest light passing holes 22 are not communicated with the through hole 20.
Further, the driving member comprises a motor 23, a screw 24 and a guide rod 25, wherein the motor 23 is fixedly arranged at the bottom end of the first chamber 17, and the output end of the motor 23 faces one side of the baffle 21; one end of the screw rod 24 is fixedly connected with the output end of the motor 23, and the other end of the screw rod 24 is rotationally connected with the top end of the first chamber 17; both ends of the guide rod 25 are fixedly connected with the upper and lower ends of the first chamber 17 respectively; two sliding blocks 26 are fixedly arranged on one side, far away from the lining plate 16, of the baffle plate 21, the two sliding blocks 26 are positioned on two sides of the light penetrating hole 22, one sliding block 26 is slidably arranged on the outer surface of the guide rod 25, and the other sliding block 26 is in threaded arrangement on the outer surface of the screw rod 24; the motor 23 is connected with a background electric diaphragm driving aerial socket 27 through a wire, and the background electric diaphragm driving aerial socket 27 is arranged on the outer side wall of the box body 1; the motor 23 can be connected to the control unit through the background electric diaphragm driving aviation socket 27, when the size of the light-in hole of the gray scale block light source 14 needs to be adjusted, the motor 23 is started through the control unit, then the motor 23 drives the screw rod 24 to rotate, and meanwhile, the screw rod 24 drives the baffle plate 21 to slide up and down along the outer surface of the guide rod 25, so that different light-in holes 22 are switched to be communicated with the through holes 20, and the size of the light-in hole of the gray scale block light source 14 is controlled.
Further, the inside of the integrating sphere 10 is provided with BaSO having a light reflectance of more than 98% 4 Coating for realizing gray scale block light sourceThe uniformity of 14 is more than or equal to 98 percent.
Further, a first brightness detector 28 is arranged on the outer side of the integrating sphere 10, and a probe of the first brightness detector 28 is positioned in the integrating sphere 10; the first brightness detector 28 is connected with a first aviation socket 29, the first aviation socket 29 is installed on the outer side wall of the box body 1, the first brightness detector 28 can be connected to the control unit through the first aviation socket 29, so that the first brightness detector 28 sends detection information to the control unit, and the control unit is used for controlling the brightness of the gray scale block light source 14 and the light incidence aperture size of the gray scale block light source 14.
Further, a second brightness detector 30 is mounted on the inner side wall of the box body 1, and the second brightness detector 30 is positioned on the opposite side of the light-emitting window 2; the second brightness detector 30 is connected with a second aviation socket 31, and the second aviation socket 31 is arranged on the outer side wall of the box body 1; the second brightness detector 30 may be connected to the control unit through the second air socket 31 such that the second brightness detector 30 transmits detection information to the control unit for the control unit to control the brightness of the background light source.
Further, the outer side wall of the box body 1 is also provided with a gray scale block optical fiber interface 32, a background optical fiber interface 33 and a manual diaphragm interface 34 respectively; the gray scale block optical fiber interface 32 is provided with the gray scale block light source 14, and the gray scale block optical fiber interface 32 is further provided with a communication interface, and the communication interface is connected with the control unit through an RS485 communication line, and is used for controlling the brightness of the gray scale block light source 14 by the control unit according to the detection information of the first brightness detector 28 and combining the use requirement of the incident light brightness of the lamp box.
Specifically, the input ends of the background optical fiber interface 33 and the manual diaphragm interface 34 are respectively provided with a background light source, the background light source is a xenon lamp bulb or an LED bulb, the background light source is arranged outside the box body 1, the output end of the background optical fiber interface 33 is positioned in the box body 1 and is connected with the optical fiber conductor 9 on one of the light-equalizing plates 5, and the output end of the manual diaphragm interface 34 is positioned in the box body 1 and is connected with the optical fiber conductor 9 on the other light-equalizing plate 5; the background optical fiber interface 33 is further provided with a communication interface, and the communication interface is connected with the control unit through an RS485 communication line, and in the use process, the control unit controls the access amount of the optical fiber conductor 9 corresponding to the background optical fiber interface 33 according to the detection information of the second brightness detector 30 and in combination with the use requirement of the background brightness of the lamp box, and automatically adjusts the brightness of the light emitting window 2; when the background light source bulb is aged to reduce the brightness after long-time use, and the second brightness detector 30 detects that the brightness of the light-emitting window 2 cannot meet the use requirement, the manual diaphragm interface 34 can be connected to the standby background light source to adjust the background brightness of the light-emitting window 2.
While the utility model has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the utility model, and it is intended that the utility model is not limited to the specific embodiments disclosed.
Claims (10)
1. An automated light box for simulating a gray-scale test card, comprising:
the LED lamp comprises a box body (1), wherein a luminous window (2) is embedded in the front end surface of the box body (1), an outgoing light hole (3) is formed in the central position of the luminous window (2), two slots (4) are symmetrically formed in the inner side wall of the box body (1), and one ends of the two slots (4) penetrate through the inner wall of the box body (1) respectively and extend to be communicated with the inner side wall of the luminous window (2);
the light homogenizing plate (5), the light homogenizing plate (5) is installed in the slot (4) and is positioned at the inner side of the light emitting window (2), a plurality of optical fiber ports are formed in the light homogenizing plate (5), optical fiber conductors (9) are respectively installed in the optical fiber ports, the optical fiber conductors (9) are connected to a background light source, and the background light source is conducted into the optical fiber ports through the optical fiber conductors (9) and refracted to form a light curtain in the light emitting window (2) to provide background light;
integrating sphere (10), integrating sphere (10) set up in box (1), supporting seat (11) are installed to the bottom of integrating sphere (10), the bottom of supporting seat (11) is installed on the inner wall bottom of box (1), be provided with second income light mouth (12) and second light outlet (13) on integrating sphere (10) respectively, second light outlet (13) with go out unthreaded hole (3) and be connected, second income light mouth (12) are connected with gray scale piece light source (14) through adjusting part, adjusting part is used for controlling the income unthreaded hole diameter size of gray scale piece light source (14).
2. An automated light box for simulating gray scale test cards according to claim 1 wherein said adjustment assembly comprises a mounting box (15), said mounting box (15) being mounted on an inside wall of said box (1), said mounting box (15) being internally hollow, a liner plate (16) being vertically mounted on an inside wall of said mounting box (15) such that the interior of said mounting box (15) forms two mutually independent first and second chambers (17, 18), said first and second chambers (17, 18) being located on opposite sides of said liner plate (16);
a light pipe (19) is arranged on the outer surface of the mounting box (15), one end of the light pipe (19) is connected with the second light inlet (12), and the other end of the light pipe (19) is communicated with the first chamber (17);
the outer surface of the lining plate (16) is provided with a through hole (20), the through hole (20) coincides with the central axis of the light pipe (19), and the aperture of the through hole (20) is the same as the inner diameter of the light pipe (19);
the gray scale block light source (14) is arranged in the second chamber (18), and the incident direction of the gray scale block light source (14) faces the through hole (20);
one end of welt (16) is through driving piece slidable mounting has separation blade (21), the one end of separation blade (21) is provided with a plurality of light holes (22) side by side along vertical direction, and a plurality of the aperture of light holes (22) is progressively decreased by last down in proper order for when separation blade (21) reciprocates, make each the central axis of light holes (22) can with the central axis coincidence of through-hole (20), thereby control the income light aperture size of gray scale piece light source (14).
3. An automated light box for simulating gray scale test cards according to claim 2 wherein the spacing between the central axes of adjacent two of said light passing holes (22) is greater than the aperture of said through hole (20).
4. The automated light box for simulating gray scale test cards of claim 2, wherein the driving member comprises:
the motor (23) is arranged at the bottom end of the first chamber (17), and the output end of the motor (23) faces one side of the baffle (21);
one end of the screw rod (24) is connected with the output end of the motor (23), and the other end of the screw rod (24) is connected with the top end of the first chamber (17);
the two ends of the guide rod (25) are respectively connected with the upper end and the lower end of the first chamber (17);
two sliding blocks (26) are arranged on one side, far away from the lining plate (16), of the baffle plate (21), the two sliding blocks (26) are positioned on two sides of the light penetrating hole (22), one sliding block (26) is slidably arranged on the outer surface of the guide rod (25), and the other sliding block (26) is in threaded arrangement on the outer surface of the screw rod (24);
the motor (23) is connected with a background electric diaphragm driving aerial socket (27), and the background electric diaphragm driving aerial socket (27) is arranged on the outer side wall of the box body (1).
5. The automatic lamp box for simulating gray-scale test cards according to claim 1, wherein the optical fiber port comprises a light refraction channel (6), a first light inlet (7) and a first light outlet (8), the first light inlet (7) and the first light outlet (8) are respectively arranged at two ends of the light refraction channel (6), the light refraction channel (6) is arranged in the light equalizing plate (5), the first light inlet (7) is positioned at the inner side of the box body (1), the first light outlet (8) is positioned in the light emitting window (2), the first light outlet (8) and the central axis of the light outlet (3) are mutually perpendicular, one end of the optical fiber conductor (9) is arranged in the first light inlet (7), and the other end of the optical fiber conductor (9) is connected to the background light source.
6. An automated light box for simulating gray-scale test cards according to claim 1 wherein the inside of said integrating sphere (10) is provided with BaSO having a light reflectance of greater than 98% 4 And (3) coating.
7. An automated light box for simulating gray scale test cards according to claim 1 wherein a first brightness detector (28) is mounted on the outside of the integrating sphere (10), the probe of the first brightness detector (28) being located within the integrating sphere (10);
the first brightness detector (28) is connected with a first aviation socket (29), and the first aviation socket (29) is installed on the outer side wall of the box body (1).
8. An automated light box for simulating gray scale test cards according to claim 1 wherein a second brightness detector (30) is mounted on the inside wall of said box (1), said second brightness detector (30) being located on the opposite side of said light emission window (2);
the second brightness detector (30) is connected with a second aviation socket (31), and the second aviation socket (31) is installed on the outer side wall of the box body (1).
9. The automatic lamp box for simulating gray-scale test cards according to claim 1 is characterized in that a gray-scale block optical fiber interface (32), a background optical fiber interface (33) and a manual diaphragm interface (34) are respectively arranged on the outer side wall of the box body (1);
the gray scale block optical fiber interface (32) is connected with the gray scale block light source (14);
the input ends of the background optical fiber interface (33) and the manual diaphragm interface (34) are respectively used for being connected with the background light source, the output end of the background optical fiber interface (33) is connected with the optical fiber conductor (9) on one of the light homogenizing plates (5), and the output end of the manual diaphragm interface (34) is connected with the optical fiber conductor (9) on the other light homogenizing plate (5).
10. The automated light box for simulating gray-scale test cards of claim 1, wherein the light emitting window (2) is an acrylic diffuse reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322351658.4U CN220602889U (en) | 2023-08-30 | 2023-08-30 | Automatic lamp box for simulating gray level test card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322351658.4U CN220602889U (en) | 2023-08-30 | 2023-08-30 | Automatic lamp box for simulating gray level test card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602889U true CN220602889U (en) | 2024-03-15 |
Family
ID=90166972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322351658.4U Active CN220602889U (en) | 2023-08-30 | 2023-08-30 | Automatic lamp box for simulating gray level test card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602889U (en) |
-
2023
- 2023-08-30 CN CN202322351658.4U patent/CN220602889U/en active Active
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