Optical smoke test device
By introducing an automatic cleaning device and an adjustable light source into the optical smoke test device, the problem of smoke residue affecting the accuracy of the test is solved, the testing efficiency and versatility are improved, and external interference is prevented.
Patent Information
- Application Number
- CN202421193947.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-29
AI Technical Summary
After long-term use of the existing optical smoke test device, smoke residues are easily accumulated on the lens, affecting the accuracy of the test and increasing maintenance complexity. The artificial cleaning efficiency is low, resulting in higher usage limitations.
An optical smoke test device including a test chamber, lens and cleaning device was designed, and the lens was automatically cleaned using a motor-driven rotary rod and lift rod system, combining an adjustable light source and sealed door to ensure test accuracy and versatility.
The automatic cleaning function is realized, which improves testing efficiency and accuracy, adapts to lens testing needs of different sizes and shapes, and prevents external interference through sealed doors to ensure the reliability of test results.
Smart Images
Figure CN222318394U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical smoke testing, in particular to an optical smoke testing device. Background Art
[0002] As we all know, in existing optical research and applications, optical smoke test equipment plays a vital role. This equipment can simulate the smoke conditions in the actual environment to test the performance of optical components or systems in the smoke environment.
[0003] When existing optical smoke test devices are used for a long time, smoke residues tend to accumulate on the lenses, which not only affects the accuracy of the test but also increases the complexity of maintenance. Manual cleaning is inefficient and incomplete, resulting in high limitations in its use. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides an optical smoke test device.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical smoke test device, comprising a test box, a lens and a cleaning device, wherein a cavity is arranged in the test box, the lens is in the cavity, an electric telescopic rod is arranged on the bottom wall of the cavity, a support plate is arranged on the upper end of the electric telescopic rod, a light source is arranged on the upper side wall of the support plate, a receiver is arranged on the end of the cavity away from the light source, the cleaning device is on the lens, the cleaning device comprises a connecting plate, a scraper and a rotating rod, the connecting plate is on one side of the lens, the rotating rods are symmetrically arranged at the lower end of the connecting plate, two rotating rods are connected by a conveyor belt, a motor is arranged on the upper side wall of the connecting plate, one of the rotating rods passes through the connecting plate and is connected to the output end of the motor, a lifting rod is arranged on the lower end of the rotating rod, the scraper is on the lifting rod, the lifting rod passes through both ends of the scraper, the scraper is threadedly connected to the lifting rod, the scraper is adapted and fits the lens, and a smoke device is arranged on the upper side wall of the cavity.
[0008] In order to ensure that the temperature inside the test box will not be too high during long-term operation, the utility model has the following improvements: a fan is provided on the upper side wall of the cavity, a vent is provided on the upper side wall of the test box, the vent runs through the upper side wall of the test box, and the fan is located at the lower end of the vent.
[0009] In order to facilitate the test at different locations, the utility model has the following improvements: moving wheels are arranged at the four corners of the bottom wall of the test box, and fixing devices are arranged on the moving wheels, and the fixing devices are adapted to the moving wheels.
[0010] In order to prevent external dust and impurities from entering the interior of the test box, the utility model has the following improvements: a filter screen is arranged on the vent.
[0011] In order to facilitate the adjustment of smoke concentration and test parameters, the utility model has the following improvements: an adjustment button is provided on the upper side wall of the test box, and the adjustment button is connected to the smoke device signal.
[0012] In order to make the opening and closing of the test box easier, the utility model has the following improvements: a sealing door is arranged on the front side wall of the test box, the sealing door is matched with the cavity, and a handle is arranged on one end of the sealing door, the handle is matched with the sealing door.
[0013] In order to facilitate observation of the test process inside the test box, the utility model has the following improvements: the side walls of the test box are made of transparent material.
[0014] In order to improve the sealing performance of the test box, the utility model has the following improvements: a sealing block is provided on the vent, and the sealing block is detachably connected to the vent.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides an optical smoke test device, which has the following beneficial effects:
[0017] The optical smoke test device is provided with a smoke device, which can adjust the concentration of smoke, can simulate the actual use scene more realistically, and thus obtain more accurate test results. A cleaning device is provided, and the motor output drives the rotating rod to rotate. Driven by the conveyor belt, the two lifting rods rotate accordingly, and the scraper can be moved. The scraper can clean the lens, effectively remove the stains or smoke residues on the lens, ensure the accuracy and continuity of the test, and greatly improve the test efficiency. An electric telescopic rod and a support plate are provided, so that the height and position of the light source can be flexibly adjusted to meet the testing needs of lenses of different sizes and shapes, thereby improving the versatility of the device and making the testing process more convenient. A sealed door is provided to effectively prevent external factors from interfering with the test results. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;
[0019] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;
[0020] Figure 3 This is a schematic diagram of the overall structure of the utility model from a third viewing angle;
[0021] Figure 4 It is a schematic diagram of the internal cross section of the structural test box of the utility model.
[0022] In the figure: 1. test box; 2. adjustment knob; 3. smoke device; 4. ventilation port; 5. electric telescopic rod; 6. moving wheel; 7. support plate; 8. light source; 9. fan; 10. connecting plate; 11. motor; 12. lens; 13. sealing door; 14. conveyor belt; 15. receiver; 16. lifting rod; 17. rotating rod; 18. scraper. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-4 An optical smoke test device comprises a test box 1, a lens 12 and a cleaning device, wherein a cavity is arranged in the test box 1, the lens 12 is in the cavity, an electric telescopic rod 5 is arranged on the bottom wall of the cavity, a support plate 7 is arranged on the upper end of the electric telescopic rod 5, a light source 8 is arranged on the upper side wall of the support plate 7, a receiver 15 is arranged on the end of the cavity away from the light source 8, the cleaning device is on the lens 12, the cleaning device comprises a connecting plate 10, a scraper 18 and a rotating rod 17, the connecting plate 10 is on one side of the lens 12, the rotating rod 17 is symmetrically arranged at the lower end of the connecting plate 10, the two rotating rods 17 are connected by a conveyor belt 14, a motor 11 is arranged on the upper side wall of the connecting plate 10, one of the rotating rods 17 passes through the The connecting plate 10 is connected to the output end of the motor 11, a lifting rod 16 is provided at the lower end of the rotating rod 17, the scraper 18 is on the lifting rod 16, the lifting rod 16 passes through both ends of the scraper 18, the scraper 18 is threadedly connected to the lifting rod 16, the scraper 18 is adapted and fits with the lens 12, a smoke device 3 is provided on the upper side wall of the cavity, a fan 9 is provided on the upper side wall of the cavity, a vent 4 is provided on the upper side wall of the test box 1, the vent 4 passes through the upper side wall of the test box 1, the fan 9 is at the lower end of the vent 4, an adjusting button 2 is provided on the upper side wall of the test box 1, the adjusting button 2 is signal-connected to the smoke device 3, a sealing block is provided on the vent 4, and the sealing block is detachably connected to the vent 4.
[0025] During use, start the smoke device 3 to allow smoke to be stored in the test box 1. The smoke device 3 can adjust the amount of smoke released, then turn on the light source 8, and the transmittance and position of the light source 8 can be observed. The light passes through the lens and reaches the receiver 15, and the electric telescopic rod 5 is started to extend and retract to drive the light source 8 to rise and fall for different tests. The experimental process is well known to technicians and will not be described in detail in this article. When there is too much smoke, the vent 4 and the fan 9 can be opened to disperse it. After long-term use, start the motor 11, and the output of the motor 11 drives the rotating rod 17 to rotate. Driven by the conveyor belt 14, the two rotating rods 17 rotate at the same time, and the lifting rod 16 rotates accordingly. Since the lifting rod 16 and the scraper 18 are threadedly connected, the scraper 18 moves with the rotation of the lifting rod 16, fits the lens 12 for cleaning, and is convenient for next use and improves the accuracy of the test. The smoke device 3 and the receiver 15 are both mature technologies well known to technicians and will not be described in detail in this article.
[0026] In actual use, it is necessary to facilitate testing in different locations. In order to meet the above requirements, in this embodiment, moving wheels 6 are provided at the four corners of the bottom wall of the test box 1, and fixing devices are provided on the moving wheels 6, and the fixing devices are adapted to the moving wheels 6.
[0027] In actual use, it is necessary to prevent external dust and impurities from entering the interior of the test box 1 to ensure the purity of the test environment. In order to meet the above requirements, in this embodiment, a filter is provided on the vent 4.
[0028] In actual use, it is necessary to conveniently open or close the test box 1. In order to meet the above requirements, in this embodiment, a sealing door 13 is provided on the front side wall of the test box 1, and the sealing door 13 is adapted to the cavity. A handle is provided at one end of the sealing door 13, and the handle is adapted to the sealing door 13.
[0029] In actual use, it is necessary to be able to visually observe the test process and results inside the test box 1 to facilitate real-time monitoring and recording. In order to meet the above requirements, in this embodiment, the side wall of the test box 1 is made of transparent material.
[0030] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An optical smoke test device, comprising a test box (1), a lens (12) and a cleaning device, characterized in that: The test box (1) is provided with a cavity, the lens (12) is in the cavity, an electric telescopic rod (5) is provided on the bottom wall of the cavity, a support plate (7) is provided on the upper end of the electric telescopic rod (5), a light source (8) is provided on the upper side wall of the support plate (7), a receiver (15) is provided on the end of the cavity away from the light source (8), the cleaning device is on the lens (12), the cleaning device comprises a connecting plate (10), a scraper (18) and a rotating rod (17), the connecting plate (10) is on one side of the lens (12), the rotating rod (17) is symmetrically arranged at the lower end of the connecting plate (10), and the two rotating rods (17) are arranged on the upper side of the connecting plate (10). The rotating rods (17) are connected through a conveyor belt (14); a motor (11) is arranged on the upper side wall of the connecting plate (10); one of the rotating rods (17) passes through the connecting plate (10) and is connected to the output end of the motor (11); a lifting rod (16) is arranged on the lower end of the rotating rod (17); the scraper (18) is on the lifting rod (16); the lifting rod (16) passes through both ends of the scraper (18); the scraper (18) is threadedly connected to the lifting rod (16); the scraper (18) is adapted and fitted to the lens (12); and a smoke device (3) is arranged on the upper side wall of the cavity.
2. The optical smoke test device according to claim 1, characterized in that: A fan (9) is arranged on the upper side wall of the cavity, a vent (4) is arranged on the upper side wall of the test box (1), the vent (4) passes through the upper side wall of the test box (1), and the fan (9) is located at the lower end of the vent (4).
3. The optical smoke test device according to claim 2, characterized in that: The four corners of the bottom wall of the test box (1) are provided with moving wheels (6), and the moving wheels (6) are provided with fixing devices, and the fixing devices are adapted to the moving wheels (6).
4. The optical smoke test device according to claim 3, characterized in that: The vent (4) is provided with a filter screen.
5. The optical smoke test device according to claim 4, characterized in that: An adjusting button (2) is provided on the upper side wall of the test box (1), and the adjusting button (2) is connected to the smoke device (3) by signal.
6. The optical smoke test device according to claim 5, characterized in that: The front side wall of the test box (1) is provided with a sealed door (13), the sealed door (13) is adapted to the cavity, and one end of the sealed door (13) is provided with a handle, the handle is adapted to the sealed door (13).
7. The optical smoke test device according to claim 6, characterized in that: The side wall of the test box (1) is made of transparent material.
8. The optical smoke test device according to claim 7, characterized in that: A sealing block is provided on the ventilation opening (4), and the sealing block is detachably connected to the ventilation opening (4).