A system for detecting and evaluating brightness and chromaticity of lighting devices
By designing a motor-driven bidirectional screw and adjustment mechanism, synchronous movement and angle changes of multiple lamps are achieved, and the problem of low single lamp detection efficiency in the prior art is solved, the detection efficiency and accuracy are improved, and it is suitable for the brightness and chromaticity detection of automotive headlights.
Patent Information
- Application Number
- CN202411844484.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2044-12-16
AI Technical Summary
In the prior art, the brightness detection device of the automobile headlight can only detect a single headlight, and the detection efficiency is low in the motion state of the headlight, which cannot meet the requirements for light intensity detection at different positions of the headlights.
A luminance chromaticity detection system for lighting devices is designed. The bidirectional screw and adjustment mechanism are driven by the motor, so that the lamps on the mount move and angle change are synchronously. Combined with the settings of multiple detection boxes, multiple lamps are simultaneously detected and accurately evaluated through the brightness and chromaticity detection unit.
It realizes simultaneous detection of multiple lamps, improves detection efficiency and accuracy, and can perform brightness and chromaticity detection of different positions in the moving state of the car lights, which meets the needs of actual application scenarios.
Smart Images

Figure CN119666330B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of lighting device detection, and in particular to a system for detecting and evaluating brightness and chromaticity of a lighting device. Background Art
[0002] Lighting devices are key components that redistribute the light flux from light sources to achieve an efficient, comfortable, and aesthetically pleasing lighting environment, based on people's demand for lighting quality. They typically include light sources, optical devices that control the direction of light, components necessary to secure and protect the bulbs and connect to the power supply, as well as parts for decoration, adjustment, and installation. Lighting devices can be classified according to different standards. For example, by light source type, they can be divided into LED lighting devices, fluorescent lighting devices, etc.; by function, they can be divided into lighting fixtures, dimmers, switches, etc. Commonly used ones include automotive lights and bulbs.
[0003] Automobile headlights are used to ensure that the car can meet the lighting intensity requirements of the illuminated area during night driving. Therefore, it is necessary to perform brightness detection on the produced headlights. In the existing technology, the automobile headlight brightness detection device detects the brightness of the light emitted by the headlight through a photosensitive detection device. A moving device is provided on the upper end of the photosensitive detection device, and the photosensitive detection device is driven by the moving device to detect the light intensity of the headlights at different positions. However, this technology is not suitable for increasing the detection range of the headlight brightness by moving the photosensitive detection device, because the headlights are in a moving state when working. Only by detecting the light intensity of different areas of the headlights in the moving state can the detection results of the headlights be guaranteed. Moreover, only a single headlight can be detected at the same time, and its detection efficiency is low. For this reason, we propose a brightness and chromaticity detection and evaluation system for lighting devices. Summary of the Invention
[0004] The object of the present invention is to provide a system for detecting and evaluating the brightness and chromaticity of a lighting device.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a luminance and chromaticity detection system for a lighting device, comprising a base, a middle plate fixedly connected to the middle portion of the top side of the base, a displacement mechanism provided inside the base, a plurality of fixed plates fixedly connected to the front and rear sides of the middle plate, a movable seat slidably connected to the inner middle sides of the fixed plates and the middle plates, a mounting seat rotatably connected to the front and rear sides of the movable seat, a fixing mechanism provided on each side of the mounting seat on the front and rear sides, and an adjustment mechanism provided on each upper and lower sides of the mounting seat on the front and rear sides;
[0006] The adjusting mechanism comprises two connecting blocks, one end of the two connecting blocks being close to each other is fixedly connected to the middle of the upper and lower sides of the mounting base, and the ends of the two connecting blocks being separated are rotatably connected to the rotating shaft, the middle side of the outer wall of the rotating shaft is fixedly connected to one end of the adjusting rod, and the other end of the adjusting rod is fixedly connected to the limiting blocks on the upper and lower sides. Two empty slots are provided on one side of the fixing plate, and the two empty slots are respectively located on the upper and lower sides of the mounting base. The other ends of the two adjusting rods slide inside the two empty slots respectively, and limiting slots are provided on the upper and lower sides of the interior of the two empty slots. Multiple limiting blocks are respectively arranged in a one-to-one correspondence with multiple limiting slots. The adjusting mechanism also includes two protrusions and two grooves, the two protrusions are respectively fixedly connected to one side of the interior of the two empty grooves, the two protrusions are cross-arranged, the two grooves are respectively arranged on the other side of the interior of the two empty grooves, the two grooves and the two protrusions are cross-arranged with each other, and the adjusting mechanism also includes multiple bidirectional screw rods, multiple bidirectional screw rods are respectively passed through the interior of multiple movable seats, and multiple bidirectional screw rods are fixed to each other, the left end of the bidirectional screw rod on the far left is rotatably connected to the inner wall of the middle plate, and the right end of the bidirectional screw rod on the far right is fixedly connected to the driving end of motor 1, and motor 1 is fixedly connected to the right side wall of the middle plate.
[0007] As a further solution of the present invention: the fixing mechanism includes a clamping member 1, one end of which is fixedly connected to one side of the outer wall of the mounting seat, and a clamping member 2 is slidably connected to the other side of the outer wall of the mounting seat, and one end of the clamping member 2 is fixedly connected to a moving rod, and the top outer wall of the moving rod is threadedly connected to a fastening nut, and the fastening nut is located on the top side of the mounting seat.
[0008] As a further solution of the present invention: the displacement mechanism includes multiple sliders, a sliding rod is slidably connected between the two sliders on the left and right sides, a bidirectional threaded rod is provided between the two sliders on the middle side, one end of the bidirectional threaded rod is fixedly connected to the driving end of motor 2, and motor 2 is fixedly connected to the inner wall of the base, and the top sides of the multiple sliders are fixedly connected to a fixing frame, and a detection box is provided inside the fixing frame.
[0009] As a further solution of the present invention: auxiliary lights are provided on both the left and right sides of the interior of the detection box, and a warning light is fixedly connected to one side of the top of the detection box.
[0010] As a further solution of the present invention: a plurality of slide grooves are provided on the inner top side of the base, the plurality of slide grooves are arranged corresponding to the plurality of sliders, and rubber pads are provided around one side of the plurality of fixing plates close to the detection box.
[0011] In addition, the present invention also provides an evaluation system for a lighting device brightness and chromaticity detection system, comprising:
[0012] Power supply unit: provides power for accurate detection of the brightness and chromaticity of lamps;
[0013] Brightness detection unit: used to collect the lighting brightness of the lamp, convert the light signal into an electrical signal, and send it to the control unit after processing;
[0014] Chroma detection unit: used to collect the lighting chromaticity of the lamp, convert the light signal into an electrical signal, and send it to the control unit after processing;
[0015] Control unit: receives the signals output by the brightness detection unit and the chromaticity detection unit, performs algorithms and logical operations, and sends the results to the display unit;
[0016] Display unit: receives the final result sent by the control unit and displays the final result.
[0017] As a further solution of the present invention: the brightness detection unit includes a brightness detection probe, a signal converter, a signal processing circuit, and a communication interface. The brightness detection probe is used to detect and collect light signals. The signal converter is used to convert the collected light signals into electrical signals. The signal processing circuit is used to amplify, filter and convert the electrical signals output by the signal converter, and transmit them to the control unit. The chromaticity detection unit includes a photoelectric detection probe, a spectrum analyzer, and an analog-to-digital converter 2. The photoelectric detection probe is used to detect and collect light signals and convert them into electrical signals. The spectrum analyzer is used to analyze the electrical signals output by the photoelectric detection probe. The analog-to-digital converter 2 is used to convert the analog signals output by the spectrum analyzer into digital signals and transmit them to the control unit. The display unit includes a liquid crystal display screen, and the liquid crystal display screen is used to display the final detection results.
[0018] As a further solution of the present invention: the signal processing circuit includes an amplifier, a filter, and an analog-to-digital converter. The amplifier is used to amplify the electrical signal output by the signal converter, the filter is used to filter the electrical signal, and the analog-to-digital converter is used to convert the analog signal output by the signal processing circuit into a digital signal and transmit it to the control unit.
[0019] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are:
[0020] 1. The present invention starts a motor to drive multiple bidirectional screws to rotate, so that the corresponding movable base can move horizontally. Because the movable base is connected to two mounting bases, and the mounting bases are provided with fixed lamps to be detected, when the corresponding movable base moves, the lamps to be detected are synchronously driven to move horizontally, realizing brightness and chromaticity detection at different positions of the lamps, which is closer to the actual application scenarios of the lamps and has high brightness and chromaticity detection accuracy.
[0021] 2. The present invention adopts the matching arrangement of corresponding protrusions and grooves, so that when the mounting base moves horizontally, the outward extension length of the corresponding adjustment rod changes, causing the angle of the connecting block and the mounting base connected thereto to change, thereby changing the lighting angle of the lamp to be tested on the mounting base, further approaching the actual application scenario of the lamp, and effectively improving the accuracy of brightness and chromaticity detection;
[0022] 3. The present invention provides multiple detection boxes so that the device can detect multiple lamps at the same time, effectively improving the detection efficiency of the device. The corresponding fixing frames can be disassembled and assembled by bolts, so that the corresponding detection boxes can be removed separately, which can facilitate the maintenance and replacement of individual detection boxes.
[0023] Other advantages, objects and features of the present invention will be described in part in the following description and, in part, will be apparent to those skilled in the art based on an examination of the following or may be learned from the practice of the invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is an overall schematic diagram of an embodiment of the present invention;
[0025] Figure 2 It is a schematic side view of the whole embodiment of the present invention;
[0026] Figure 3 Schematic diagram of the position of the bidirectional threaded rod in an embodiment of the present invention;
[0027] Figure 4 This is a schematic diagram of the position of the auxiliary lights in an embodiment of the present invention;
[0028] Figure 5 Schematic diagram of the position of the bidirectional screw rod in an embodiment of the present invention;
[0029] Figure 6 Schematic diagram of the position of the empty slot in the embodiment of the present invention;
[0030] Figure 7 for Figure 6 A magnified schematic diagram of point A in the middle;
[0031] Figure 8 Schematic diagram of the position of the limit block in an embodiment of the present invention;
[0032] Figure 9 This is a schematic diagram of the overall system architecture in an embodiment of the present invention;
[0033] Figure 10 Schematic diagram of the brightness detection unit structure in an embodiment of the present invention;
[0034] Figure 11 Schematic diagram of the signal processing circuit architecture in an embodiment of the present invention;
[0035] Figure 12 Schematic diagram of the chromaticity detection unit architecture in an embodiment of the present invention;
[0036] Figure 13 FIG. 1 is a schematic diagram of a display unit structure in an embodiment of the present invention.
[0037] In the figure: 1. Base; 2. Middle plate; 3. Fixed plate; 4. Moving seat; 5. Mounting seat; 6. Connecting block; 7. Rotating shaft; 8. Adjusting rod; 9. Limit block; 10. Limiting slot; 11. Empty slot; 12. Bump; 13. Groove; 14. Bidirectional screw rod; 15. Motor 1; 16. Rubber pad; 17. Clamp 1; 18. Clamp 2; 19. Moving rod; 20. Fastening nut; 21. Slider; 22. Sliding rod; 23. Bidirectional threaded rod; 24. Motor 2; 25. Fixed bracket; 26. Detection box; 27. Auxiliary light; 28. Brightness detection probe; 29. Photoelectric detection probe; 30. Warning light; 31. Slide groove. DETAILED DESCRIPTION
[0038] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.
[0039] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0040] Please see the attached Figure 1 -Attached Figure 8 The present invention provides a precise detection system for brightness and chromaticity of a lighting device, comprising a base 1, a middle plate 2 being fixedly connected to the middle portion of the top side of the base 1, a displacement mechanism being provided inside the base 1, a plurality of fixed plates 3 being fixedly connected to the front and rear sides of the middle plate 2, a movable seat 4 being slidably connected to the fixed plates 3 and the inner middle side of the middle plate 2, a mounting seat 5 being rotatably connected to the front and rear sides of the movable seat 4, a fixing mechanism being provided on the side where the front and rear mounting seats 5 are separated, and an adjustment mechanism being provided on the upper and lower sides of the front and rear mounting seats 5;
[0041] The adjusting mechanism includes two connecting blocks 6, and the adjacent ends of the two connecting blocks 6 are respectively fixedly connected to the middle parts of the upper and lower sides of the mounting seat 5. The separated ends of the two connecting blocks 6 are rotatably connected to the rotating shaft 7. The middle side of the outer wall of the rotating shaft 7 is fixedly connected to one end of the adjusting rod 8, and the other end of the adjusting rod 8 is fixedly connected to the limiting blocks 9 on the upper and lower sides. Two empty slots 11 are provided on one side of the fixing plate 3. The two empty slots 11 are respectively located on the upper and lower sides of the mounting seat 5. The other ends of the two adjusting rods 8 slide inside the two empty slots 11 respectively, and the upper and lower sides of the two empty slots 11 are provided with limiting slots 10. Multiple limiting blocks 9 are respectively arranged in a one-to-one correspondence with the multiple limiting slots 10. The adjusting mechanism also includes two protrusions 12 and two grooves 13. The two protrusions 12 are respectively fixedly connected to the two empty slots On one side of the interior of 11, two protrusions 12 are cross-arranged, and two grooves 13 are respectively arranged on the other side of the interior of the two empty slots 11. The two grooves 13 and the two protrusions 12 are cross-arranged with each other. The adjustment mechanism also includes a plurality of bidirectional screw rods 14, and the plurality of bidirectional screw rods 14 are respectively passed through the interior of the plurality of movable seats 4. The plurality of bidirectional screw rods 14 are fixed to each other. The left end of the leftmost bidirectional screw rod 14 is rotatably connected to the inner wall of the middle plate 2, and the right end of the rightmost bidirectional screw rod 14 is fixedly connected to the driving end of the motor 15. The motor 15 is fixedly connected to the right side wall of the middle plate 2. A plurality of slide grooves 31 are provided on the inner top side of the base 1. The plurality of slide grooves 31 are corresponding to the plurality of sliders 21. Rubber pads 16 are provided around one side of the plurality of fixed plates 3 close to the detection box 26;
[0042] Specifically, by starting the motor 15 to drive multiple bidirectional screw rods 14 to rotate, the lamp to be detected fixed on the mounting seat 5 moves back and forth synchronously. During the movement, the two groups of protrusions 12 and grooves 13 set in the empty slot 11 change the outward extension length of the corresponding adjustment rod 8, so that the angle of the mounting seat 5 connected thereto changes, and then the lighting angle and position of the lamp to be detected are changed synchronously, which is convenient for detection.
[0043] In the second embodiment, the fixing mechanism includes a clamping member 17, one end of which is fixedly connected to one side of the outer wall of the mounting base 5, and a clamping member 2 18 is slidably connected to the other side of the outer wall of the mounting base 5. One end of the clamping member 2 18 is fixedly connected to a moving rod 19, and the top outer wall of the moving rod 19 is threadedly connected to a fastening nut 20, which is located on the top side of the mounting base 5;
[0044] Specifically, multiple lamps to be tested are placed between the clamping piece 17 and the clamping piece 2 18 on the corresponding mounting seat 5, and the clamping piece 2 is disengaged from the surface of the mounting seat 5 by rotating the fastening nut 20. Then, the clamping piece 2 18 is moved to fix the lamps to be tested, and the fastening nut 20 is rotated in the opposite direction to make it fit with the surface of the mounting seat 5 to complete the fixation.
[0045] In the third embodiment, the displacement mechanism includes a plurality of sliders 21, a slide rod 22 is slidably connected between the two sliders 21 on the left and right sides, a bidirectional threaded rod 23 is provided between the two sliders 21 on the middle side, one end of the bidirectional threaded rod 23 is fixedly connected to the driving end of the second motor 24, and the second motor 24 is fixedly connected to the inner wall of the base 1, and the top sides of the plurality of sliders 21 are fixedly connected to a fixing frame 25, a detection box 26 is provided inside the fixing frame 25, auxiliary lights 27 are provided on the left and right sides of the detection box 26, and a warning light 30 is fixedly connected to one side of the top of the detection box 26;
[0046] Specifically, by starting the second motor 24 to drive the bidirectional threaded rod 23 to rotate, the two sliders 21 on its surface move toward each other. Since the slider 21 is connected to the fixing bracket 25, and the fixing bracket 25 is connected to the detection box 26, the slider 21 drives the detection box 26 to move synchronously while moving, so that the corresponding detection box 26 moves toward the corresponding mounting seat 5.
[0047] The present invention also provides an evaluation system for a lighting device brightness and chromaticity detection system, comprising:
[0048] Power supply unit: provides power for accurate detection of the brightness and chromaticity of lamps;
[0049] Brightness detection unit: used to collect the lighting brightness of the lamp, convert the light signal into an electrical signal, and send it to the control unit after processing;
[0050] Chroma detection unit: used to collect the lighting chromaticity of the lamp, convert the light signal into an electrical signal, and send it to the control unit after processing;
[0051] Control unit: receives the signals output by the brightness detection unit and the chromaticity detection unit, performs algorithms and logical operations, and sends the results to the display unit;
[0052] Display unit: receives the final result sent by the control unit and displays the final result.
[0053] For example 4, please refer to the attached Figure 9 -Attached Figure 13The brightness detection unit includes a brightness detection probe 28, a signal converter, a signal processing circuit, and a communication interface. The brightness detection probe 28 is used to detect and collect light signals. The signal converter is used to convert the collected light signals into electrical signals. The signal processing circuit is used to amplify, filter and convert the electrical signals output by the signal converter, and transmit them to the control unit. The chromaticity detection unit includes a photoelectric detection probe 29, a spectrum analyzer, and an analog-to-digital converter 2. The photoelectric detection probe 29 is used to detect and collect light signals and convert them into electrical signals. The spectrum analyzer is used to analyze the electrical signals output by the photoelectric detection probe 29. The analog-to-digital converter 2 is used to convert the analog signals output by the spectrum analyzer into digital signals and transmit them to the control unit. The display unit includes a liquid crystal display screen, which is used to display the final detection results. The signal processing circuit includes an amplifier, a filter, and an analog-to-digital converter 1. The amplifier is used to amplify the electrical signals output by the signal converter. The filter is used to filter the electrical signals. The analog-to-digital converter 1 is used to convert the analog signals output by the signal processing circuit into digital signals and transmit them to the control unit.
[0054] Specifically, the brightness detection probe 28 and the photoelectric detection probe 29 are used to detect the illumination luminosity and chromaticity of the lamp to be detected, and the control unit determines whether it is qualified and displays the result on the liquid crystal display.
[0055] Working principle:
[0056] First, place multiple lamps to be tested between the clamping piece 17 and the clamping piece 2 18 on the corresponding mounting base 5. Turn the fastening nut 20 to separate it from the surface of the mounting base 5. Then move the clamping piece 2 18 to fix the lamps to be tested, and turn the fastening nut 20 in the opposite direction to make it fit the surface of the mounting base 5 to complete the fixation.
[0057] By starting the second motor 24, the bidirectional threaded rod 23 is driven to rotate, so that the two sliders 21 on its surface move toward each other. Since the sliders 21 are connected to the fixing bracket 25, and the fixing bracket 25 is connected to the detection box 26, the sliders 21 drive the detection box 26 to move synchronously while moving, so that the corresponding detection box 26 moves toward the corresponding mounting seat 5 until it is pressed and fit with the rubber pad 16. At this time, there is no light in the detection box 26. At this time, the auxiliary light 27 is started, and its absorption calibration is carried out and the output change is monitored. After it is turned off, the power supply unit is used to provide power to the lamp to be tested, and the test begins;
[0058] By starting the motor 15, multiple bidirectional screw rods 14 are driven to rotate. Since multiple bidirectional screw rods 14 are provided with corresponding moving seats 4, and both ends of the moving seats 4 are provided with mounting seats 5, when the bidirectional screw rods 14 rotate, they drive the corresponding moving seats 4 to move horizontally back and forth, so that the lamps to be detected fixed on the mounting seats 5 move back and forth synchronously. In the process of movement, since the upper and lower sides of the mounting seats 5 are provided with connecting blocks 6, and the connecting blocks 6 are connected to the adjusting rod 8 through the rotating shaft 7, the adjusting rod 8 is driven to move back and forth along the empty slot 11 while the mounting seat 5 moves. The two sets of protrusions 12 and grooves 13 provided in the empty slot 11 change the outward extension length of the corresponding adjustment rod 8. That is, when the upper adjustment rod 8 passes the surface of the protrusion 12, the surface of the protrusion 12 is arranged in an outward arc shape, causing the upper adjustment rod 8 to protrude outward, and when the lower adjustment rod 8 passes the surface of the groove 13, the surface of the groove 13 is arranged in an inward arc shape, causing the lower adjustment rod 8 to be recessed inward. The upper and lower adjustment rods 8 cooperate to change the angle of the mounting base 5 connected thereto, thereby causing the lighting angle and position of the lamp to be tested to change synchronously, facilitating detection;
[0059] When the lamp to be detected is moving, the brightness detection probe 28 and the photoelectric detection probe 29 are used to detect the illumination luminosity and chromaticity of the lamp to be detected. The brightness detection is detected by the brightness detection probe 28, and the detected light signal is transmitted to the signal converter. The signal converter converts the light signal into an electrical signal and transmits it to the signal processing circuit. The electrical signal output by the signal converter is amplified, filtered and converted by the amplifier, filter and analog-to-digital converter. The analog signal output by the signal processing circuit is converted into a digital signal and transmitted to the control unit. The control unit performs corresponding algorithms and logical operations to achieve accurate measurement and control of the brightness of the headlights. Finally, the measurement results and related information of the headlight brightness are displayed on the LCD screen. The chromaticity detection is detected by the photoelectric detection probe 29. The detected The optical signal is converted into an electrical signal and then transmitted to a spectrum analyzer. The spectrum analyzer analyzes the electrical signal output by the photoelectric detection probe 29 to obtain the spectral composition of the light emitted by the headlight. By measuring the light intensity at different wavelengths, a spectral distribution curve is obtained, and then the color wavelength and other parameters are determined. The analog signal output by the spectrum analyzer is converted into a digital signal by the analog-to-digital converter 2 and transmitted to the control unit. The control unit executes algorithms and logical operations to determine whether the chromaticity of the headlight meets the specified standards and outputs the corresponding test results for display on the LCD screen. The color of the indicator light 30 on the detection box 26 is different according to the results. If the result is qualified, the indicator light 30 is a solid green light. If the result is unqualified, the indicator light 30 is a flashing red light, which makes it easy for staff to mark unqualified lamps to avoid confusion.
[0060] After the detection is completed, start the motor 24 to rotate in the opposite direction, so that the multiple detection boxes 26 on both sides move toward each other and away from the mounting base 5, so that the lamp to be detected leaks out. At this time, loosen the corresponding clamping piece 2 18 to remove the corresponding lamp to be detected for use next time. At this point, the entire work process ends.
[0061] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
[0062] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.
[0063] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.
[0064] It is obvious to those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and these changes still fall within the scope of protection of the present invention.
Claims
1. A system for detecting brightness and chromaticity of a lighting device, comprising a base (1), characterized in that: The middle part of the top side of the base (1) is fixedly connected to a middle plate (2), a displacement mechanism is provided inside the base (1), a plurality of fixed plates (3) are fixedly connected to the front and rear sides of the middle plate (2), a movable seat (4) is slidably connected to the inner middle side of the fixed plates (3) and the middle plate (2), the front and rear sides of the movable seat (4) are rotatably connected to mounting seats (5), a fixing mechanism is provided on the separated sides of the mounting seats (5) on the front and rear sides, and an adjustment mechanism is provided on the upper and lower sides of the mounting seats (5) on the front and rear sides; The adjustment mechanism comprises two connecting blocks (6), the adjacent ends of the two connecting blocks (6) are fixedly connected to the middle of the upper and lower sides of the mounting seat (5), and the separated ends of the two connecting blocks (6) are rotatably connected to the rotating shaft (7). The middle side of the outer wall of the rotating shaft (7) is fixedly connected to one end of the adjusting rod (8), and the upper and lower sides of the other end of the adjusting rod (8) are fixedly connected to the limiting blocks (9). One side of the fixing plate (3) is provided with two empty slots (11), and the two empty slots (11) are respectively located on the upper and lower sides of the mounting seat (5). The other ends of the two adjusting rods (8) slide inside the two empty slots (11), and the upper and lower sides of the two empty slots (11) are provided with limiting slots (10). The plurality of limiting blocks (9) are respectively arranged in a one-to-one correspondence with the plurality of limiting slots (10). The adjustment mechanism The adjusting mechanism further comprises two protrusions (12) and two grooves (13), wherein the two protrusions (12) are respectively fixedly connected to one side of the interior of the two empty grooves (11), the two protrusions (12) are cross-arranged, the two grooves (13) are respectively arranged on the other side of the interior of the two empty grooves (11), and the two grooves (13) and the two protrusions (12) are cross-arranged with each other. The adjusting mechanism further comprises a plurality of bidirectional screw rods (14), wherein the plurality of bidirectional screw rods (14) are respectively passed through the interior of the plurality of movable seats (4), and the plurality of bidirectional screw rods (14) are fixedly arranged with each other. The left end of the bidirectional screw rod (14) on the far left is rotatably connected to the inner wall of the middle plate (2), and the right end of the bidirectional screw rod (14) on the far right is fixedly connected to the driving end of motor 1 (15), and motor 1 (15) is fixedly connected to the right side wall of the middle plate (2).
2. The luminance and chromaticity detection system for lighting devices according to claim 1, wherein: The fixing mechanism includes a clamping member (17), one end of which is fixedly connected to one side of the outer wall of the mounting seat (5), and a clamping member (18) is slidably connected to the other side of the outer wall of the mounting seat (5), and one end of the clamping member (18) is fixedly connected to a moving rod (19), and the outer wall of the top end of the moving rod (19) is threadedly connected to a fastening nut (20), and the fastening nut (20) is located on the top side of the mounting seat (5).
3. The luminance and chromaticity detection system for lighting devices according to claim 1, wherein: The displacement mechanism includes a plurality of sliders (21), wherein a slide rod (22) is slidably connected between two sliders (21) on the left and right sides, and a bidirectional threaded rod (23) is provided between two sliders (21) on the middle side. One end of the bidirectional threaded rod (23) is fixedly connected to the driving end of a second motor (24), and the second motor (24) is fixedly connected to the inner wall of the base (1). The top sides of the plurality of sliders (21) are fixedly connected to a fixing frame (25), and a detection box (26) is provided inside the fixing frame (25).
4. The luminance and chromaticity detection system for lighting devices according to claim 3, wherein: Auxiliary lights (27) are provided on both the left and right sides of the interior of the detection box (26), and a warning light (30) is fixedly connected to one side of the top of the detection box (26).
5. The luminance and chromaticity detection system for lighting devices according to claim 1, wherein: A plurality of slide grooves (31) are provided on the inner top side of the base (1), and the plurality of slide grooves (31) are arranged corresponding to the plurality of sliders (21). Rubber pads (16) are provided around one side of the plurality of fixing plates (3) close to the detection box (26).
6. An evaluation system for the luminance and chromaticity detection system of a lighting device according to any one of claims 1 to 5, characterized in that: include: Power supply unit: provides power for accurate detection of the brightness and chromaticity of lamps; Brightness detection unit: used to collect the lighting brightness of the lamp, convert the light signal into an electrical signal, and send it to the control unit after processing; Chroma detection unit: used to collect the lighting chromaticity of the lamp, convert the light signal into an electrical signal, and send it to the control unit after processing; Control unit: receives the signals output by the brightness detection unit and the chromaticity detection unit, performs algorithms and logical operations, and sends the results to the display unit; Display unit: receives the final result sent by the control unit and displays the final result.
7. The evaluation system for the luminance and chromaticity detection system of a lighting device according to claim 6, characterized in that: The brightness detection unit includes a brightness detection probe (28), a signal converter, a signal processing circuit, and a communication interface. The brightness detection probe (28) is used to detect and collect light signals. The signal converter is used to convert the collected light signals into electrical signals. The signal processing circuit is used to amplify, filter, and convert the electrical signals output by the signal converter, and transmit them to the control unit. The chromaticity detection unit includes a photoelectric detection probe (29), a spectrum analyzer, and an analog-to-digital converter 2. The photoelectric detection probe (29) is used to detect and collect light signals and convert them into electrical signals. The spectrum analyzer is used to analyze the electrical signals output by the photoelectric detection probe (29). The analog-to-digital converter 2 is used to convert the analog signals output by the spectrum analyzer into digital signals and transmit them to the control unit. The display unit includes a liquid crystal display screen, and the liquid crystal display screen is used to display the final detection results.
8. The evaluation system for the luminance and chromaticity detection system of a lighting device according to claim 7, characterized in that: The signal processing circuit includes an amplifier, a filter, and an analog-to-digital converter. The amplifier is used to amplify the electrical signal output by the signal converter, the filter is used to filter the electrical signal, and the analog-to-digital converter is used to convert the analog signal output by the signal processing circuit into a digital signal and transmit it to the control unit.
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