Brightness meter calibration device

Abstract

The utility model belongs to the technical field of brightness meter calibration, and particularly relates to a brightness meter calibration device, which comprises a test box and a power supply module, a test hole is arranged at the top of the test box, lamps are fixedly connected on the power supply module in an annular array, a cover plate is fixedly connected on the outer sides of the lamps, and the brightness meter calibration device further comprises an electric push rod, the electric push rod is fixedly installed at the top of the first U-shaped frame, the output end of the electric push rod penetrates through the first U-shaped frame and is fixedly provided with a second U-shaped frame, and the power supply module is rotatably installed in the second U-shaped frame. Meanwhile, a motor does not need to be used when the power supply module is driven to rotate, the manufacturing cost of the whole device is reduced, the situation that selling is affected due to the fact that the price is too high is avoided, meanwhile, the whole device does not vibrate when used, and loosening and damage to parts in the luminance meter placed in the testing box are avoided.

Description

Technical Field

[0001] This utility model belongs to the field of luminance meter calibration technology, and in particular relates to a luminance meter calibration device. Background Technology

[0002] A luminance meter is an instrument used to measure the brightness of a light source or an illuminated surface. It is usually calibrated before use.

[0003] For example, Chinese patent CN222528773U discloses a luminance meter calibration device. This utility model relates to the field of luminance meter calibration technology. The luminance meter calibration device includes a test box. The main body of the test box is a box structure with a one-way opening at the front end, and a support leg is fixedly connected to the bottom surface of the test box. This utility model installs a lamp of appropriate specifications on the outside of the power supply module, and switches the power supply module and lamps by starting a motor installed on the outside of the side plate to perform testing operations on lamps and luminance meters of different specifications. By setting a base and a spring rod and clamping plate fixedly connected to the inside of the base, when the luminance meter is placed in the groove opened at the top of the base, the spring rod can be used to push the clamping plate to achieve clamping and positioning of the luminance meter, so that it can achieve rapid clamping and positioning of the luminance meter during use.

[0004] The aforementioned patent has the following problems:

[0005] This patented device has several drawbacks in use. For example, it uses multiple electric actuators to drive the displacement of the two side plates and a motor to drive the power supply module, which increases manufacturing costs. Excessive price can negatively impact sales volume. Furthermore, the motor generates vibrations during operation, causing vibrations in the test chamber, which can easily loosen or damage internal components of the luminance meter. Therefore, we propose a luminance meter calibration device. Utility Model Content

[0006] The purpose of this invention is to provide a luminance meter calibration device to solve the problems mentioned in the background art.

[0007] In view of this, the present invention provides a luminance meter calibration device, including a test box and a power supply module. The test box has a test hole on its top. Lamp fixtures are fixedly connected in a circular array on the power supply module. A cover plate is fixedly connected to the outside of each lamp fixture. The device also includes:

[0008] An electric push rod is fixedly installed on the top of a first U-shaped frame. The output end of the electric push rod passes through the first U-shaped frame and is fixedly installed on a second U-shaped frame. The power supply module is rotatably installed inside the second U-shaped frame. Two guide rods are fixedly installed on the top of the second U-shaped frame, and one end of each guide rod passes through the first U-shaped frame.

[0009] A fixing block is fixedly installed on one side of the second U-shaped frame. A round rod is rotatably installed inside the fixing block. A cross groove is opened in the round rod. One end of the round rod passes through one side of the second U-shaped frame and is coaxially connected to the power supply module.

[0010] A fixing component, located within a fixing block, is used to fix the round rod.

[0011] In this technical solution,

[0012] In the above technical solution, the fixing component further includes:

[0013] A limiting rod is inserted and installed in a cross groove. A first magnet is fixedly installed inside the fixing block. A second magnet is magnetically connected to the top of the first magnet. One end of the limiting rod passes through the top of the fixing block and the first and second magnets and extends to the outside. The second magnet is fixedly connected to the limiting rod. The other end of the limiting rod passes through the bottom of the fixing block and extends to the outside.

[0014] In this technical solution, when it is necessary to adjust the lamps on the power supply module, the staff can first pull the limit rod upward. The limit rod will drive the second magnet to move upward, so that the second magnet separates from the first magnet and is no longer magnetically connected. At this time, one end of the limit rod will be pulled out from the cross groove, so that the round rod is released from fixation.

[0015] In the above technical solution, the limiting rod is further engaged with the fixing block, and the limiting rod is engaged with the cross groove.

[0016] In this technical solution, it is ensured that the limiting rod can be inserted into the fixing block and that the limiting rod can be inserted into the cross groove.

[0017] In the above technical solution, one end of the round rod is rotatably connected to the second U-shaped frame, and the other end of the round rod extends to the outside and is fixedly installed with a handle.

[0018] In this technical solution, it is ensured that one end of the round rod can rotate within the second U-shaped frame, so that the handle can be gripped and the round rod can be rotated.

[0019] In the above technical solution, the guide rod is slidably connected to the first U-shaped frame, and the output shaft of the electric push rod is slidably connected to the first U-shaped frame.

[0020] In this technical solution, the guide rod is ensured to slide within the first U-shaped frame, guaranteeing that the output shaft of the electric push rod can rotate normally.

[0021] In the above technical solution, furthermore, the second U-shaped frame and the fixing block are integrally formed structures.

[0022] In this technical solution, the structural stability between the second U-shaped frame and the fixed block is ensured.

[0023] In the above technical solution, furthermore, the two sides of the power supply module are in contact with the inner wall of the second U-shaped frame.

[0024] In this technical solution, it is ensured that the power supply module will not shake when rotating.

[0025] The beneficial effects of this utility model are:

[0026] This luminance meter calibration device, through the cooperation of a first U-shaped frame, a second U-shaped frame, an electric push rod, a guide rod, a fixing block, a limit rod, a round rod, and a fixing component, requires only one electric push rod to move the power supply module up and down. At the same time, no motor is needed to drive the power supply module to rotate, reducing the overall manufacturing cost of the device and avoiding excessively high prices that could affect sales. In addition, the entire device does not vibrate during use, preventing loosening and damage to the internal parts of the luminance meter placed in the test box. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the internal structure of the first U-shaped frame in this utility model;

[0029] Figure 3 This is a schematic diagram of the internal structure of the fixing block in this utility model;

[0030] Figure 4 This is a schematic cross-sectional view of the round rod in this utility model;

[0031] Figure 5 This is a schematic diagram of the exploded structure of the first magnet and the second magnet in this utility model;

[0032] Figure 6 This is a cross-sectional structural diagram of the fixing block in this utility model.

[0033] The markings in the diagram are as follows:

[0034] 1. Test box; 2. First U-shaped frame; 3. Second U-shaped frame; 4. Power supply module; 5. Electric push rod; 6. Guide rod; 7. Fixing block; 8. Handle; 9. Test hole; 10. Cover plate; 11. Lamp; 12. Limiting rod; 13. Cross groove; 14. Round rod; 15. First magnet; 16. Second magnet. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0036] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0037] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0038] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0039] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0040] Example 1:

[0041] Please see Figure 1 - Figure 6 As shown, this embodiment provides a luminance meter calibration device, including a test box 1 and a power supply module 4. The test box 1 has a test hole 9 on its top. Lamp fixtures 11 are fixedly connected to the power supply module 4 in a circular array. A cover plate 10 is fixedly connected to the outside of the lamp fixtures 11. The device also includes:

[0042] An electric push rod 5 is fixedly installed on the top of the first U-shaped frame 2. The output end of the electric push rod 5 passes through the first U-shaped frame 2 and is fixedly installed on the second U-shaped frame 3. The power supply module 4 is rotatably installed inside the second U-shaped frame 3. Two guide rods 6 are fixedly installed on the top of the second U-shaped frame 3, and one end of the guide rod 6 passes through the first U-shaped frame 2.

[0043] The fixing block 7 is fixedly installed on one side of the second U-shaped frame 3. A round rod 14 is rotatably installed inside the fixing block 7. A cross groove 13 is opened in the round rod 14. One end of the round rod 14 passes through one side of the second U-shaped frame 3 and is coaxially connected to the power supply module 4.

[0044] A fixing component is located within the fixing block 7 and is used to fix the round rod 14.

[0045] In operation, when adjustments are needed to the lamp 11 on the power supply module 4, the fixing component is used to release the fixing of the round rod 14. Then, the operator can hold the handle 8 and rotate the round rod 14, which will cause the power supply module 4 to rotate 90°. At this time, the cross groove 13 will also rotate. After the adjustment is completed, the fixing component is used to fix the round rod 14 so that it will not rotate. Then, the operator can start the electric push rod 5. The output shaft of the electric push rod 5 will drive the second U-shaped frame 3 to move downward. The second U-shaped frame 3 will drive the two guide rods 6 to slide downward within the first U-shaped frame 2. Subsequently, the lamp 11 and the cover plate 10 on the power supply module 4 will enter the test hole 9, and the luminance meter placed in the test box 1 can be calibrated. Under the action of the guide rods 6, the displacement of the second U-shaped frame 3 can be more stable.

[0046] Example 2:

[0047] This embodiment provides a luminance meter calibration device, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including a fixing component:

[0048] A limiting rod 12 is inserted into a cross groove 13. A first magnet 15 is fixedly installed inside a fixing block 7. A second magnet 16 is magnetically connected to the top of the first magnet 15. One end of the limiting rod 12 passes through the top of the fixing block 7, the first magnet 15, and the second magnet 16 and extends to the outside. The second magnet 16 is fixedly connected to the limiting rod 12. The other end of the limiting rod 12 passes through the bottom of the fixing block 7 and extends to the outside.

[0049] When it is necessary to adjust the lamp 11 on the power supply module 4, the staff can first pull the limit rod 12 upward. The limit rod 12 will drive the second magnet 16 to move upward, so that the second magnet 16 is separated from the first magnet 15 and is no longer magnetically connected. At this time, one end of the limit rod 12 will be pulled out from the cross groove 13, so that the round rod 14 is released from fixation.

[0050] Example 3:

[0051] This embodiment provides a luminance meter calibration device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the limiting rod 12 is inserted into the fixing block 7, and the limiting rod 12 is inserted into the cross groove 13.

[0052] Specifically, this ensures that the limiting rod 12 can be inserted into the fixing block 7 and that the limiting rod 12 can be inserted into the cross groove 13.

[0053] Example 4:

[0054] This embodiment provides a luminance meter calibration device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the round rod 14 is rotatably connected to the second U-shaped frame 3, and the other end of the round rod 14 extends to the outside and is fixedly installed with a handle 8.

[0055] Specifically, it is ensured that one end of the round rod 14 can rotate within the second U-shaped frame 3, so that the handle 8 can be gripped and the round rod 14 can be rotated.

[0056] Example 5:

[0057] This embodiment provides a luminance meter calibration device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the guide rod 6 is slidably connected to the first U-shaped frame 2, and the output shaft of the electric push rod 5 is slidably connected to the first U-shaped frame 2.

[0058] Specifically, this ensures that the guide rod 6 can slide within the first U-shaped frame 2, thereby ensuring that the output shaft of the electric push rod 5 can rotate normally.

[0059] Example 6:

[0060] This embodiment provides a luminance meter calibration device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the second U-shaped frame 3 and the fixing block 7 are integrally formed structures.

[0061] Among these measures, it is essential to ensure the structural stability between the second U-shaped frame 3 and the fixing block 7.

[0062] Example 7:

[0063] This embodiment provides a luminance meter calibration device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the two sides of the power supply module 4 are in contact with the inner wall of the second U-shaped frame 3.

[0064] Among these measures, it is ensured that the power supply module 4 does not shake when rotating.

[0065] Working principle: When adjusting the lamp 11 on the power supply module 4, the operator can first pull the limiting rod 12 upwards. The limiting rod 12 will cause the second magnet 16 to move upwards, separating it from the first magnet 15 and disengaging it. At this time, one end of the limiting rod 12 will be pulled out of the cross groove 13, releasing the round rod 14 from its fixation. Then, the operator can hold the handle 8 and rotate the round rod 14. The round rod 14 will cause the power supply module 4 to rotate 90°. At this time, the cross groove 13 will also rotate. After the adjustment is complete, the operator can insert the limiting rod 12 back into the fixing block 7 and then move the limiting rod 12 downwards. This allows one end of the limiting rod 12 to be inserted into the cross groove 13. At this time, the second magnet 16 on the limiting rod 12 will be magnetically connected to the first magnet 15, thereby fixing the position of the limiting rod 12 and preventing the round rod 14 from rotating. Subsequently, the operator can start the electric push rod 5. The output shaft of the electric push rod 5 will drive the second U-shaped frame 3 to move downward. The second U-shaped frame 3 will drive the two guide rods 6 to slide downward in the first U-shaped frame 2. Subsequently, the corresponding lamp 11 and cover plate 10 on the power supply module 4 will enter the test hole 9, and the luminance meter placed in the test box 1 can be calibrated. Under the action of the guide rods 6, the displacement of the second U-shaped frame 3 can be more stable.

[0066] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A luminance meter calibration device, comprising a test box (1) and a power supply module (4), a test hole (9) is opened in the top of the test box (1), a lamp (11) is fixedly connected in an annular array on the power supply module (4), and a cover plate (10) is fixedly connected to the outer side of the lamp (11), characterized in that, Also include: Electric push rod (5), the electric push rod (5) is fixedly installed at the top of the first U-shaped frame (2), the output end of the electric push rod (5) penetrates the first U-shaped frame (2) and is fixedly installed with the second U-shaped frame (3), the power supply module (4) is rotatably installed in the second U-shaped frame (3), the top of the second U-shaped frame (3) is fixedly installed with two guide rods (6), one end of the guide rod (6) penetrates the first U-shaped frame (2); Fixed block (7), the fixed block (7) is fixedly installed on one side of the second U-shaped frame (3), the circular rod (14) is rotatably installed in the fixed block (7), the circular rod (14) is provided with a cross groove (13), one end of the circular rod (14) penetrates one side of the second U-shaped frame (3) and is coaxially connected with the power supply module (4); The fixed assembly is located in the fixed block (7), and the circular rod (14) is fixed.

2. A luminance meter calibration device according to claim 1, characterized in that The fixed assembly comprises: Limiting rod (12), the limiting rod (12) is inserted into the cross groove (13), the first magnet (15) is fixedly installed in the fixed block (7), the top of the first magnet (15) is magnetically connected with the second magnet (16), one end of the limiting rod (12) penetrates the top of the fixed block (7) and the first magnet (15) and the second magnet (16) and extends to the outside, the second magnet (16) is fixedly connected with the limiting rod (12), the other end of the limiting rod (12) penetrates the bottom of the fixed block (7) and extends to the outside.

3. A luminance meter calibration device according to claim 2, wherein The limiting rod (12) is inserted into the fixed block (7), and the limiting rod (12) is inserted into the cross groove (13).

4. A luminance meter calibration device according to claim 1, wherein One end of the circular rod (14) is rotatably connected with the second U-shaped frame (3), the other end of the circular rod (14) extends to the outside and is fixedly installed with the handle (8).

5. A luminance meter calibration device according to claim 1, wherein The guide rod (6) is slidably connected with the first U-shaped frame (2), and the output shaft of the electric push rod (5) is slidably connected with the first U-shaped frame (2).

6. A luminance meter calibration device according to claim 1, wherein The second U-shaped frame (3) and the fixed block (7) are integrally formed.

7. A luminance meter calibration device according to claim 1, wherein The two sides of the power supply module (4) are in contact with the inner wall of the second U-shaped frame (3).

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