Multi-view spectrometer

Abstract

The utility model discloses a multi-view spectrometer which comprises a shell with an upward opening, a top cover is assembled on the top of the shell to form an internal accommodating space, a partition plate is arranged between the shell and the top cover, and the internal accommodating space is divided into a darkroom and an equipment room by the partition plate; an arc-shaped seat is assembled on the side wall surface of the shell at the darkroom, a plurality of probes are distributed on the arc-shaped seat at intervals along the arc-shaped direction, one probe is a scintillation measurement probe, and the other probes are spectrometer probes; a linear array sensor is mounted in the equipment chamber, and a display screen is embedded in the top cover at the equipment chamber; the whole structure is simplified, the darkroom and the equipment room are separately arranged, interference of light to the probe is effectively reduced, the acquisition accuracy of the lens is ensured, parallel acquisition and measurement of spectrums at all angles can be realized, the flicker characteristic can be synchronously measured, and the practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of optical instruments, in particular to a multi-viewing angle spectrometer. Background Art

[0002] When collecting the spectral characteristics of the display screen, a spectrometer is used to detect it to obtain the viewing angle characteristics of the display screen. The spectrometer is a basic optical measurement instrument. Its principle is to collect the radiation, reflection or transmission light signals of the target object, and obtain the spectral power distribution curve of the incident light after optical and electrical signal processing, thereby analyzing and obtaining various detailed information of the incident light.

[0003] Since light can interfere with the measurement results, the spectrometer cannot accurately record and analyze the spectrum in a light environment. In the prior art, the spectrometer is usually used in a dark place or even an absolute darkroom, so that the spectrometer can better control and reduce the interference of external light. However, when the spectrometer is working, the light generated by the internal components of the device cannot be avoided or reduced, which affects the acquisition of the lens.

[0004] In addition, the spectrometer in the prior art can only obtain the spectral information of one target position at a time. If the spectral information of the display screen at multiple viewing angles is to be obtained, it is necessary to align the detection point of the spectrometer with the point to be tested on the display screen for multiple times, and adjust the detection angle at the same time to obtain the spectral characteristics of the point to be tested on the display screen at different viewing angles. The operation is very troublesome and time-consuming, which affects the detection efficiency. In addition, the existing spectrometer has a single performance, a complex internal structure, and is inconvenient to carry. Utility Model Content

[0005] To solve the above problems, the present application provides a multi-view spectrometer with a reasonable structure, which effectively helps to reduce the interference of light on the probe, ensures the accuracy of lens acquisition, and can realize parallel acquisition and measurement of spectra at various angles, and can also synchronously measure flicker characteristics, with good practicality.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A multi-viewing angle spectrometer comprises a shell with an upward opening, a top cover is arranged on the top of the shell to form an internal accommodating space, a partition is installed between the shell and the top cover, and the internal accommodating space is divided into a darkroom and an equipment room by the partition; an arc seat is arranged on the side wall of the shell located in the darkroom, and a plurality of probes are arranged on the arc seat at intervals along the arc direction, one of the probes is a scintillation measurement probe, and the other probes are spectrometer probes; a linear array sensor is installed in the equipment room, and a display screen is embedded on the top cover located in the equipment room.

[0008] As a further improvement of the above technical solution:

[0009] A collimator is vertically mounted on the partition, one end of the collimator is connected to multiple spectrometer probes via a multi-mode quartz optical fiber, and the other end of the collimator faces the input end of the linear array sensor.

[0010] A plurality of pillars are installed at intervals on the inner bottom surface of the shell in the darkroom, and the top ends of the pillars are against the inner top surface of the top cover; the multimode quartz optical fiber is arranged between the plurality of pillars; and a long bolt is installed toward the top cover after passing through the bottom wall of the shell from bottom to top.

[0011] The scintillation measuring probe is located at the end of the arc seat, and a photoelectric amplifier board is installed in the darkroom located at the scintillation measuring probe, and the scintillation measuring probe is electrically connected to the photoelectric amplifier board.

[0012] The side wall of the shell in the darkroom away from the partition is concave to form an arc-shaped wall matching the arc-shaped seat, and an opening for accommodating the arc-shaped seat is opened on the arc-shaped wall; the outer side of the bottom edge of the arc-shaped seat is concave to form a step, and the step is matched with the bottom edge of the opening; the inner side of the bottom edge of the arc-shaped seat extends inward to form a straight portion, and the straight portion is locked and fixed to the shell via fasteners.

[0013] The inner bottom surfaces of the two opposite side walls of the shell extend upward to form a support plate, and a partition is installed on the top of the support plate; the height of the support plate is lower than the height of the shell side wall, and the height of the support plate after the partition is installed is higher than the height of the shell side wall.

[0014] Rectangular holes are spaced apart in the middle of the partition, and fasteners are locked and installed through the bottom surface of the rectangular holes through the partition toward the support plate.

[0015] A control mainboard is installed in the equipment room, and the data collected by the probe is processed by the control mainboard and displayed on the display screen.

[0016] The control mainboard and the linear array sensor are arranged at two ends of the equipment room, and a heat dissipation grille hole communicating with the outside is opened on the side wall surface of the equipment room between the control mainboard and the linear array sensor.

[0017] The spectrometer probe is provided with an automatic shutter and a light reduction filter.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model has a simplified overall structure, and the darkroom and the equipment room are separately set up, which effectively helps to reduce the interference of light on the probe, ensures the accuracy of lens acquisition, and can realize the parallel acquisition and measurement of spectra at various angles, and can also synchronously measure the flicker characteristics, which has good practicality;

[0020] The utility model also has the following advantages:

[0021] The spectrometer in the utility model is equipped with multiple spectrometer probes and a flicker measurement probe at the same time. While measuring conventional optical properties such as brightness, chromaticity, color deviation at different viewing angles, it can also measure flicker characteristics and obtain flicker frequency, which effectively enriches the use of the spectrometer and improves its flexibility and applicability.

[0022] The spectrometer of the utility model has a compact overall structure, is small and convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is the appearance structure diagram of the utility model.

[0024] Figure 2 It is a schematic diagram of the structure of the utility model (top cover and display screen are omitted).

[0025] Figure 3 It is a schematic diagram of the assembly of the arc seat and the shell of the utility model.

[0026] Figure 4 for Figure 3 A partial enlarged view of point A in the middle.

[0027] Figure 5 It is a schematic diagram of the installation of the partition plate on the shell of the utility model.

[0028] Among them: 1. Shell; 2. Spectrometer probe; 3. Scintillation measurement probe; 4. Top cover; 5. Collimator; 6. Linear array sensor; 7. Control main board; 8. Photoelectric amplifier board; 9. Partition; 10. Long bolt;

[0029] 11. arc-shaped seat; 12. pillar; 13. heat dissipation grille hole; 14. opening; 15. support plate; 111. step; 112. straight portion;

[0030] 21. Multimode quartz optical fiber; 22. Automatic shutter; 23. Neutral density filter;

[0031] 40. Display screen;

[0032] 91. Rectangular hole. DETAILED DESCRIPTION

[0033] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0034] like Figure 1 and Figure 2As shown, the multi-viewing angle spectrometer of this embodiment includes a shell 1 with an upward opening, a top cover 4 is installed on the top of the shell 1 to form an internal accommodating space, a partition 9 is installed between the shell 1 and the top cover 4, and the internal accommodating space is divided into a darkroom and an equipment room by the partition 9; an arc seat 11 is installed on the side wall of the shell 1 located in the darkroom, and a plurality of probes are arranged on the arc seat 11 at intervals along the arc direction, one of the probes is a scintillation measurement probe 3, and the other probes are spectrometer probes 2; a linear array sensor 6 is installed in the equipment room, and a display screen 40 is embedded on the top cover 4 located in the equipment room.

[0035] The overall structure of the spectrometer of this embodiment is simplified. The separate setting of the darkroom and the equipment room effectively helps to reduce the interference of light on the probe, ensure the accuracy of lens acquisition, and can realize parallel acquisition and measurement of spectra at various angles, and can also synchronously measure flicker characteristics.

[0036] The spectrometer in this embodiment is configured with a plurality of spectrometer probes 2 and a flicker measurement probe 3. While measuring conventional optical properties such as brightness, chromaticity, and color deviation at different viewing angles, it can also measure flicker characteristics and obtain flicker frequency, thereby effectively enriching the use of the spectrometer and improving its flexibility and applicability.

[0037] A collimator 5 is vertically mounted on the partition 9 , one end of the collimator 5 is connected to a plurality of spectrometer probes 2 via a multimode quartz optical fiber 21 , and the other end of the collimator 5 is facing the input end of the linear array sensor 6 , effectively realizing and ensuring that the collected information of the plurality of spectrometer probes 2 is transmitted to the linear array sensor 6 .

[0038] A plurality of pillars 12 are installed at intervals on the inner bottom surface of the housing 1 in the darkroom, and the top ends of the pillars 12 abut against the inner top surface of the top cover 4 ; the multimode quartz optical fiber 21 is arranged between the intervals of the plurality of pillars 12 .

[0039] The installation of the support 12 between the shell 1 and the top cover 4 effectively ensures and improves the structural strength of the darkroom, and the ends of the multimode quartz optical fiber 21 connected to multiple spectrometer probes 2 can be separated and arranged in an orderly manner through the support 12, which helps and ensures the accurate and smooth information transmission of the multimode quartz optical fiber 21.

[0040] The long bolt 10 is passed through the bottom wall of the housing 1 from bottom to top and then locked toward the top cover 4, so as to achieve the fixation between the top cover 4 and the housing 1 without affecting the simple and beautiful appearance of the spectrometer.

[0041] The flicker measuring probe 3 is located at the end of the arc seat 11. A photoelectric amplifier board 8 is installed in the darkroom located at the flicker measuring probe 3. The flicker measuring probe 3 is electrically connected to the photoelectric amplifier board 8 to achieve flicker testing.

[0042] like Figure 3As shown, the side wall of the housing 1 in the darkroom away from the partition 9 is concave to form a curved wall surface matching the curved seat 11, and an opening 14 for accommodating the curved seat 11 is provided on the curved wall surface; the outer side of the bottom edge of the curved seat 11 is concave to form a step 111, as shown in FIG. Figure 4 As shown, the step 111 is matched with the bottom edge of the opening 14, which effectively ensures the installation reliability of the arc seat 11 relative to the shell 1 and is convenient for disassembly and maintenance; the inner side of the bottom edge of the arc seat 11 extends inward to form a straight portion 112, and the straight portion 112 is locked and fixed to the shell 1 via fasteners, effectively ensuring the reliability of the probe during use.

[0043] like Figure 5 As described above, the inner bottom surfaces of the two opposite side walls of the shell 1 extend upward to form a support plate 15, and the top of the support plate 15 is equipped with a partition plate 9; the height of the support plate 15 is lower than the height of the side wall of the shell 1, and the height of the support plate 15 after the partition plate 9 is installed is higher than the height of the side wall of the shell 1.

[0044] In this embodiment, by setting the support plate 15 and the partition plate 9, on the one hand, the internal accommodation space is effectively divided into a darkroom and an equipment room, and on the other hand, it is also convenient for the installation of internal facilities between the darkroom and the equipment room. For example, the installation of the collimator 5 between the darkroom and the equipment room can be achieved by reliably fixing the collimator 5 through the support plate 15 and the partition plate 9.

[0045] A rectangular hole 91 is spaced apart in the middle of the partition 9 , and a fastener is locked through the bottom surface of the rectangular hole 91 through the partition 9 toward the support plate 15 , thereby realizing reliable and stable installation of the partition 9 relative to the housing 1 .

[0046] In actual use, corresponding wire passing holes can be opened on the partition plate 9 according to actual use requirements, such as wire passing requirements.

[0047] According to actual use requirements, after the partition 9 is installed, the rectangular hole 91 and the wire hole can be blocked with opaque materials such as silicone to ensure that the darkroom is opaque.

[0048] A control mainboard 7 is installed in the equipment room. The data collected by the probe is processed by the control mainboard 7 and then displayed on the display screen 40.

[0049] In this embodiment, the display screen 40 is provided to facilitate actual operation, especially stand-alone use.

[0050] Of course, an interface electrically connected to the control mainboard 7 may also be arranged on the side wall of the housing 1 located in the equipment room, so as to facilitate external use of the spectrometer.

[0051] The control main board 7 and the linear array sensor 6 are arranged at two ends of the equipment room. A heat dissipation grill hole 13 communicating with the outside is opened on the side wall surface of the equipment room between the control main board 7 and the linear array sensor 6.

[0052] A power supply may also be provided in the equipment room, or a connector for an external power supply may be provided.

[0053] The spectrometer probe 2 is equipped with an automatic shutter 22 and a neutral density filter 23. The built-in automatic shutter 22 can be used to perform dark light correction to improve detection accuracy. The built-in neutral density filter 23 can increase the brightness measurement range to 0.005-5000cd / m 2 .

[0054] In actual use, a plano-convex lens with an anti-reflection film may be installed in the spectrometer probe 2, which has a positive focal length to be suitable for low-brightness testing.

[0055] In this embodiment, the spectrometer probes 2 on the arc seat 11 can be arranged at intervals according to actual measurement and design requirements, or can be arranged evenly, for example, the spectrometer probes 2 are respectively installed at 0°, 15°, 30°, 45°, 60° and 75° to achieve simultaneous acquisition and measurement of corresponding angles at six viewing angles.

[0056] The line array sensor 6 in this embodiment may be a high-precision CMOS line array sensor, which has the characteristics of high sensitivity and fast response speed.

[0057] The spectrometer of this embodiment has a compact overall structure, is small, and is easy to carry.

[0058] When in use, a plurality of spectrometer probes 2 at different angles collect optical data of the product under test at corresponding angles, and the multimode quartz optical fiber 21 transmits the optical data to the linear array sensor 6 for data analysis and conversion, and finally generates data results through the control main board 7, which can also be displayed on the display screen 40 according to actual needs; at the same time, the flicker measurement probe 3 processes the collected data through the photoelectric amplifier board 8 to generate the flicker frequency of the product under test, thereby realizing synchronous and simultaneous measurement of multiple angles and flicker comments.

[0059] The utility model effectively helps to reduce the interference of light on the probe, ensures the accuracy of lens acquisition, can realize the parallel acquisition and measurement of spectrum at various angles, and can also synchronously measure the flicker characteristics, with good practicality.

[0060] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0061] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the protection scope of the utility model.

Claims

1. A multi-viewing angle spectrometer, characterized in that: The invention comprises a shell (1) with an opening facing upward, a top cover (4) being mounted on the top of the shell (1) to form an internal storage space, a partition (9) being mounted between the shell (1) and the top cover (4), and the internal storage space being divided into a darkroom and an equipment room by the partition (9); an arc seat (11) being mounted on the side wall of the shell (1) located in the darkroom, a plurality of probes being arranged on the arc seat (11) along an arc direction, one of the probes being a scintillation measurement probe (3), and the other probes being spectrometer probes (2); a linear array sensor (6) being mounted in the equipment room, and a display screen (40) being embedded on the top cover (4) located in the equipment room.

2. The multi-viewing angle spectrometer according to claim 1, wherein: A collimator (5) is vertically mounted on the partition (9), one end of the collimator (5) is connected to a plurality of spectrometer probes (2) via a multimode quartz optical fiber (21), and the other end of the collimator (5) faces the input end of the linear array sensor (6).

3. The multi-viewing angle spectrometer according to claim 2, characterized in that: A plurality of pillars (12) are installed at intervals on the inner bottom surface of a shell (1) located in a darkroom, and the top ends of the pillars (12) abut against the inner top surface of a top cover (4); the multimode quartz optical fiber (21) is arranged between the intervals of the plurality of pillars (12); and a long bolt (10) is installed toward the top cover (4) after passing through the bottom wall of the shell (1) from bottom to top.

4. The multi-viewing angle spectrometer according to claim 1, wherein: The scintillation measurement probe (3) is located at the end of the arc seat (11), and a photoelectric amplifier board (8) is installed in the dark room located at the scintillation measurement probe (3). The scintillation measurement probe (3) is electrically connected to the photoelectric amplifier board (8).

5. The multi-viewing angle spectrometer according to claim 1, wherein: The side wall of the shell (1) in the darkroom away from the partition (9) is concave to form an arc-shaped wall surface matching the arc-shaped seat (11), and an opening (14) for accommodating the arc-shaped seat (11) is provided on the arc-shaped wall surface; the outer side of the bottom edge of the arc-shaped seat (11) is concave to form a step (111), and the step (111) is matched with the bottom edge of the opening (14); the inner side of the bottom edge of the arc-shaped seat (11) extends inward to form a straight portion (112), and the straight portion (112) is locked and fixed to the shell (1) via a fastener.

6. The multi-viewing angle spectrometer according to claim 1, wherein: The inner bottom surfaces of the two opposite side walls of the shell (1) extend upward to form a support plate (15), and a partition plate (9) is mounted on the top of the support plate (15); the height of the support plate (15) is lower than the height of the side wall of the shell (1), and the height of the support plate (15) after the partition plate (9) is mounted is higher than the height of the side wall of the shell (1).

7. The multi-viewing angle spectrometer according to claim 6, wherein: A rectangular hole (91) is provided at intervals in the middle of the partition (9), and a fastener is locked through the bottom surface of the rectangular hole (91) through the partition (9) toward the support plate (15).

8. The multi-viewing angle spectrometer according to claim 1, wherein: A control mainboard (7) is installed in the equipment room, and the data collected by the probe is processed by the control mainboard (7) and then displayed on the display screen (40).

9. The multi-viewing angle spectrometer according to claim 8, characterized in that: The control mainboard (7) and the linear array sensor (6) are arranged at two ends of the equipment room, and a heat dissipation grille hole (13) communicating with the outside is provided on the side wall surface of the equipment room between the control mainboard (7) and the linear array sensor (6).

10. The multi-viewing angle spectrometer according to claim 1, wherein: The spectrometer probe (2) is provided with an automatic shutter (22) and a neutral density filter (23).

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