CN111504557B - High-precision waterproof property detection device for LED lamp by utilizing light refraction - Google Patents
High-precision waterproof property detection device for LED lamp by utilizing light refraction Download PDFInfo
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- CN111504557B CN111504557B CN202010315356.XA CN202010315356A CN111504557B CN 111504557 B CN111504557 B CN 111504557B CN 202010315356 A CN202010315356 A CN 202010315356A CN 111504557 B CN111504557 B CN 111504557B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
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- Investigating Or Analysing Materials By Optical Means (AREA)
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Abstract
The invention relates to the technical field of LED detection, and discloses a high-precision waterproof detection device for an LED lamp by utilizing light refraction. The escaping gas forms bubbles to move upwards under water pressure, light irradiated on the photosensitive resistor by the irradiation lamp is refracted by the bubbles amplified by the convex lens, the resistance on the photosensitive resistor is increased, the repulsive force between the coil and the magnetic block is reduced, and the magnetic block drives the extrusion block to loosen the plastic belt.
Description
Technical Field
The invention relates to the technical field of LED detection, in particular to a high-precision waterproof detection device for an LED lamp by utilizing light refraction.
Background
The LED light source has the advantages of low-voltage power supply, low energy consumption, strong applicability, high stability, short response time, no pollution to the environment, multicolor luminescence and the like, and although the price is more expensive than that of the existing lighting fixture, the LED light source is still considered to be inevitably used for replacing the existing lighting device. The power required by illumination is greatly reduced due to the appearance of the LED lamp, the power required by the LED lamp with the same wattage is only 1/10 of an incandescent bulb, and meanwhile, the LED lamp has the advantages of long service life, environmental protection, maintenance free and the like, and can quickly replace the position of the incandescent lamp.
When the existing LED lamp production line detects the waterproofness of lamps, the whole batch of lamps are usually soaked in water for a period of time, and then whether water enters a waterproof cavity of the lamps or not is detected one by one. However, the reject ratio of each batch of lamps in the production line is usually low, and a detection mode of checking one by one wastes a lot of time and energy, so that the efficiency is low. Another patent is as follows: CN 110426157A's patent document discloses a LED lamp detection device, which comprises a box body, the inside level of box is provided with the board of placing of polylith, every place the board upper end and all be equipped with the lamp stand, the box lateral wall is equipped with the water tank, the symmetry is inserted on the box and is equipped with water injection pipe and outlet pipe, and the water injection pipe communicates in water tank and box, all install the valve on main water pipe and the outlet pipe, the upper end of box is fixed to be inserted and is equipped with the L venturi tube, the one end fixedly connected with installation shell of through-hole is kept away from to the L venturi tube, be equipped with detection mechanism in L venturi tube and the installation.
Although the above patent achieves the purpose of accurate detection, the detection personnel still need to check the group of products, and in addition, the design of the water tank increases the detection sensitivity, but causes the detected LED lamps to have different water pressures, thereby causing the difference of the detection results.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the high-precision waterproof detection device for the LED lamp by utilizing light refraction, which has the advantages of high detection efficiency, automatic screening of unqualified lamps and high detection sensitivity, and solves the problems that the existing LED detection device has low detection efficiency, cannot automatically screen unqualified lamps and has low detection sensitivity.
(II) technical scheme
In order to achieve the purposes of high detection efficiency, automatic screening of unqualified lamps and high detection sensitivity, the invention provides the following technical scheme: a high-precision waterproof detection device for LED lamps utilizing light refraction comprises a base plate, wherein a backing plate is fixedly connected to the upper left end of the base plate, a water tank is arranged at the upper end of the backing plate, a detection box is fixedly connected to the upper right end of the base plate, a water inlet is formed in the right side of the detection box, a backflow pipe is arranged between the right end of the upper portion of the water tank and the detection box, a water outlet pipe is fixedly connected to the right portion of the detection box and between the water inlet and the water tank, a plurality of groups of detection devices are fixedly connected to the interior of the detection box, fixing belts are arranged at the left end and the right end of the lower portion of each detection device and on the base plate, a groove is formed in the upper right side of each detection device, an arc-shaped groove is formed in the lower portion of each detection device, a lamp is arranged at the lower portion of, the right-hand member outside of plastic tape is provided with controlling means, controlling means's inside sliding connection has the magnetic path, the upper end fixedly connected with extrusion piece of magnetic path, fixedly connected with spring between the lower extreme of magnetic path and the extrusion piece, the inside of extrusion piece and be provided with the coil at the downside of spring, detecting device's inside and be provided with convex lens at the middle part that leads to the groove, convex lens's left side is provided with the lamp, convex lens's right side is provided with photo resistance.
Preferably, the arc-shaped grooves on the lower portion of the detection device are provided with a plurality of through grooves, and the through grooves are all communicated with the through grooves, so that the air leakage homoenergetic at different lamp positions can be gathered in the through grooves.
Preferably, the outer side of the plastic belt is provided with anti-slip stripes, so that the plastic belt is not easy to fall off.
Preferably, the inside of the detection device is provided with a curve groove corresponding to the plastic belt, so that the normal movement of the plastic belt is ensured.
Preferably, the upper side of the extrusion block is provided with anti-slip threads, so that the stability of the plastic belt is ensured.
Preferably, the magnetic field generated by the coil is the same as that of the magnetic block on the opposite side, so that the coil is ensured to be fixed on the plastic belt by pushing the magnetic block and driving the extrusion block by the magnetic block.
Preferably, the focal point of the convex lens is opposite to the center of the through groove in the same horizontal plane, so that the maximum amplification of the steam pocket passing through the through groove is ensured.
(III) advantageous effects
Compared with the prior art, the invention provides a high-precision waterproof property detection device for an LED lamp by utilizing light refraction, which has the following beneficial effects:
1. the high-precision waterproof detection device for the LED lamp utilizing light refraction has the advantages that gas in the lamp escapes through the water leakage holes, the escaped gas forms bubbles under water pressure to move upwards, the bubbles are gathered in the through groove through the arc-shaped groove to move upwards, light irradiated on the photosensitive resistor by the irradiation lamp is refracted by the bubbles amplified by the convex lens, the irradiation lamp received on the photosensitive resistor is greatly reduced, and the resistance on the photosensitive resistor is increased, the magnetic field generated by the coil connected in series with the photoresistor is reduced, the repulsive force between the coil and the magnetic blocks is reduced, the magnetic blocks drive the extrusion blocks to loosen the plastic belts, the plastic belts are gradually separated from the control device under the action of the floating plate, when the plastic belt is completely separated from the control device, the detection device divided into two parts is separated, the lamp floats in the detection box, the structure solves the problems that the existing LED detection device is low in detection efficiency, incapable of automatically screening unqualified lamps and low in detection sensitivity.
2. This utilize high accuracy waterproof nature detection device for LED lamps and lanterns of photorefractive, through shining at the lamp and being provided with convex lens between the photo resistance, the convex lens has enlarged the first sphere that the bubble formed to further enlarged the light that light refracted at convex lens, this structure is through the sensitivity of enlargeing with electric power component, thereby guaranteed the accuracy that detects.
3. This utilize high accuracy waterproof nature detection device for LED lamps and lanterns of photorefractive, through the long-time downside of placing lamps and lanterns at detection device, observe the floating plate apart from detection device's height, can indirectly derive the distance that the plastic tape removed in controlling means to the waterproof nature of further what lamps and lanterns of deriving is better, and the life of prediction lamps and lanterns.
Drawings
FIG. 1 is a schematic view of the overall front structure of the present invention;
FIG. 2 is a schematic top view of the inspection box of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is a front sectional view of the inspection box of the present invention;
FIG. 5 is a front sectional view of the related structure of the detecting device of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 at B in accordance with the present invention;
fig. 7 is a front internal structure sectional view of the control device of the present invention.
In the figure: the device comprises a base plate 1, a backing plate 2, a water tank 3, a detection box 4, a water inlet 401, a return pipe 5, a water outlet pipe 6, a detection device 7, a fixing belt 701, a groove 702, an arc groove 703, a through groove 704, a lamp 8, a floating plate 9, a plastic belt 10, a control device 11, a magnetic block 12, an extrusion block 13, a spring 14, a coil 15, a convex lens 16, a radiation lamp 17 and a photoresistor 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a high-precision waterproof property detection device for LED lamp using light refraction comprises a bottom plate 1, a backing plate 2 is fixedly connected to the left upper end of the bottom plate 1, a water tank 3 is arranged on the upper end of the backing plate 2, a detection box 4 is fixedly connected to the right upper end of the bottom plate 1, a water inlet 401 is arranged on the right side of the detection box 4, a return pipe 5 is arranged between the right end of the upper part of the water tank 3 and the detection box 4, a water outlet pipe 6 is fixedly connected to the right part of the detection box 4 between the water inlet 401 and the water tank 3, a plurality of groups of detection devices 7 are fixedly connected to the inside of the detection box 4, fixing belts 701 are arranged on the bottom plate 1 at the left and right ends of the lower part of the detection devices 7, a groove 702 is arranged on the upper side of the right part of the detection devices 7, an arc groove 703 is arranged on the lower part, and all lead to the through slots 704, thereby ensuring that leakage air at different lamps 8 can be gathered into the through slots 704.
The lower part of the detection device 7 is provided with a lamp 8, the upper side of the left side of the detection device 7 is provided with a floating plate 9, the lower end of the floating plate 9 is fixedly connected with a plastic belt 10 in the detection device 7, and the outer side of the plastic belt 10 is provided with anti-slip stripes, so that the plastic belt 10 is not easy to fall off, a curve groove corresponding to the plastic belt 10 is formed in the detection device 7, and the plastic belt 10 is guaranteed to normally move. The right-hand member outside of plastic strap 10 is provided with controlling means 11, and controlling means 11's inside sliding connection has magnetic path 12, and the upper end fixedly connected with extrusion piece 13 of magnetic path 12, the upside of extrusion piece 13 are provided with anti-skidding line to guarantee the firm of plastic strap 10. A spring 14 is fixedly connected between the lower end of the magnetic block 12 and the extrusion block 13, a coil 15 is arranged inside the extrusion block 13 and on the lower side of the spring 14, and a magnetic field generated by the coil 15 is the same as that of the magnetic block 12 on the opposite side, so that the coil 15 is ensured to push the magnetic block 12, and the magnetic block 12 drives the extrusion block 13 to fix the plastic tape 10. The inside of detection device 7 and be provided with convex lens 16 in the middle part of logical groove 704, the focus of convex lens 16 is relative with the center of the logical groove 704 of same horizontal plane to guarantee to carry out the enlargies of maximum to the steam pocket that logical groove 704 passes through, the left side of convex lens 16 is provided with lamp 17, and the right side of convex lens 16 is provided with photo resistance 18.
The working principle is as follows: the high-precision waterproof detection device for the LED lamp utilizing light refraction comprises a water tank 3, a water outlet pipe 6, a detection box 4, a detection device 7, a plastic belt 10, a groove 702 and a water leakage hole, wherein the detection box 4 is filled with water through the water tank 3 and the water outlet pipe 6, the water in the detection box 4 is enabled to reach the upper end of a fixing belt 701, the plastic belt 10 is connected to the other half of the detection box through a curve groove formed in the detection device 7 in a tensioned mode, the lamp 8 is placed on the lower side of the detection device 7, the lamp 8 floats on a water sheet in the detection box 4, an illuminating lamp 17 is started, the water is continuously filled into the detection box 4, as shown in figure 4, at the moment, if the lamp 8 leaks water, the water in the detection box 4 flows into the lamp 8, gas in the lamp 8 escapes through the water leakage hole, the escaped gas forms bubbles under the water pressure to move upwards, the bubbles are gathered into, the light irradiated on the photoresistor 18 by the irradiating lamp 17 is refracted by the bubbles amplified by the convex lens 16, at the moment, the irradiating lamp 17 received on the photoresistor 18 is greatly reduced, the resistance on the photoresistor 18 is increased, the magnetic field generated by the coil 15 connected in series with the photoresistor 18 is reduced, at the moment, the repulsive force between the coil 15 and the magnetic blocks 12 is reduced, the magnetic blocks 12 drive the extrusion block 13 to loosen the plastic belt 10, the plastic belt 10 is gradually separated from the control device 11 under the action of the floating plate 9, when the plastic belt 10 is completely separated from the control device 11, the detection device 7 divided into two parts is separated, at the moment, the lamp 8 floats in the detection box 4, and the structure solves the problems that the existing LED detection device is low in detection efficiency, cannot automatically screen and detect unqualified lamps and is low in.
By arranging the convex lens 16 between the photoresistors 18 irradiated by the irradiation lamp 17, the convex lens 16 enlarges the spherical surface formed by bubbles, thereby further enlarging the light refracted by the convex lens 16, and the structure ensures the detection accuracy through the amplification and the sensitivity of the electric power element.
By placing the lamp 8 on the lower side of the detection device 7 for a long time and observing the height of the floating plate 9 from the detection device 7, the moving distance of the plastic belt 10 in the control device 11 can be indirectly obtained, so that the waterproof performance of the lamp 8 is better, the service life of the lamp 8 is predicted, and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a utilize waterproof detection device of high accuracy for LED lamps and lanterns of light refraction, includes bottom plate (1), its characterized in that: the upper end of the left part of the bottom plate (1) is fixedly connected with a backing plate (2), the upper end of the backing plate (2) is provided with a water tank (3), the upper end of the right part of the bottom plate (1) is fixedly connected with a detection box (4), the right part of the detection box (4) is provided with a water inlet (401), a return pipe (5) is arranged between the right end of the upper part of the water tank (3) and the detection box (4), the right part of the detection box (4) is fixedly connected with a water outlet pipe (6) between the water inlet (401) and the water tank (3), the interior of the detection box (4) is fixedly connected with a plurality of groups of detection devices (7), the left end and the right end of the lower part of each detection device (7) are provided with fixing belts (701) on the bottom plate (1), the upper side of the right part of each detection device (7) is provided with a groove (702), the lamp (8) is arranged on the lower portion of the detection device (7), the floating plate (9) is arranged on the upper side of the left side of the detection device (7), the plastic belt (10) is fixedly connected to the lower end of the floating plate (9) in the detection device (7), the control device (11) is arranged on the outer side of the right end of the plastic belt (10), the magnetic block (12) is slidably connected to the inside of the control device (11), the extrusion block (13) is fixedly connected to the upper end of the magnetic block (12), the spring (14) is fixedly connected to the lower end of the magnetic block (12), the coil (15) is arranged inside the control device (11) and on the lower side of the spring (14), the convex lens (16) is arranged inside the detection device (7) and in the middle of the through groove (704), the irradiation lamp (17) is arranged on the left side of the convex lens (16), the photoresistor (18) is arranged on the right.
2. The device for detecting high-precision waterproof property of an LED lamp using light refraction according to claim 1, wherein: a plurality of arc-shaped grooves (703) are formed in the lower portion of the detection device (7) and lead to the through groove (704).
3. The device for detecting high-precision waterproof property of an LED lamp using light refraction according to claim 1, wherein: the outer side of the plastic belt (10) is provided with anti-skid stripes.
4. The device for detecting high-precision waterproof property of an LED lamp using light refraction according to claim 1, wherein: the inside of the detection device (7) is provided with a curve groove corresponding to the plastic belt (10).
5. The device for detecting high-precision waterproof property of an LED lamp using light refraction according to claim 1, wherein: the upper side of the extrusion block (13) is provided with anti-skid grains.
6. The device for detecting high-precision waterproof property of an LED lamp using light refraction according to claim 1, wherein: the magnetic field generated by the coil (15) is the same as that of the magnetic block (12) on the opposite side.
7. The device for detecting high-precision waterproof property of an LED lamp using light refraction according to claim 1, wherein: the focus of the convex lens (16) is opposite to the center of the through groove (704) on the same horizontal plane.
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| CN202010315356.XA CN111504557B (en) | 2020-04-21 | 2020-04-21 | High-precision waterproof property detection device for LED lamp by utilizing light refraction |
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| CN202010315356.XA CN111504557B (en) | 2020-04-21 | 2020-04-21 | High-precision waterproof property detection device for LED lamp by utilizing light refraction |
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| CN111504557B true CN111504557B (en) | 2021-06-08 |
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| CN112326161A (en) * | 2020-11-03 | 2021-02-05 | 谭秀兰 | LED lamp gas tightness detection device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952639A (en) * | 2006-11-08 | 2007-04-25 | 浙江大学 | Automatic bubble counting system based on photoelectric technology |
| CN105372016A (en) * | 2015-11-17 | 2016-03-02 | 上海金啤包装检测科技有限公司 | Air leakage detection method, detection device and detection system |
| CN206593810U (en) * | 2017-03-18 | 2017-10-27 | 惠州旺嘉食品有限公司 | A kind of packaged food detection means |
| EP3293507A1 (en) * | 2016-09-09 | 2018-03-14 | Medtronic, Inc. | Gas bubble detector |
| CN207408045U (en) * | 2017-11-21 | 2018-05-25 | 山东出入境检验检疫局检验检疫技术中心 | The device of quick detection sealability of plastic bag packaging seal |
| JP2019056612A (en) * | 2017-09-21 | 2019-04-11 | 新日鐵住金株式会社 | Airtightness inspection method and device |
| CN110426157A (en) * | 2019-07-17 | 2019-11-08 | 新昌县泉道智能科技有限公司 | A kind of LED lamp detection device |
| CN210166093U (en) * | 2019-06-15 | 2020-03-20 | 连云港天才照明电器有限公司 | Air leakage detection device for halogen lamp wick before inflation |
-
2020
- 2020-04-21 CN CN202010315356.XA patent/CN111504557B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952639A (en) * | 2006-11-08 | 2007-04-25 | 浙江大学 | Automatic bubble counting system based on photoelectric technology |
| CN105372016A (en) * | 2015-11-17 | 2016-03-02 | 上海金啤包装检测科技有限公司 | Air leakage detection method, detection device and detection system |
| EP3293507A1 (en) * | 2016-09-09 | 2018-03-14 | Medtronic, Inc. | Gas bubble detector |
| CN206593810U (en) * | 2017-03-18 | 2017-10-27 | 惠州旺嘉食品有限公司 | A kind of packaged food detection means |
| JP2019056612A (en) * | 2017-09-21 | 2019-04-11 | 新日鐵住金株式会社 | Airtightness inspection method and device |
| CN207408045U (en) * | 2017-11-21 | 2018-05-25 | 山东出入境检验检疫局检验检疫技术中心 | The device of quick detection sealability of plastic bag packaging seal |
| CN210166093U (en) * | 2019-06-15 | 2020-03-20 | 连云港天才照明电器有限公司 | Air leakage detection device for halogen lamp wick before inflation |
| CN110426157A (en) * | 2019-07-17 | 2019-11-08 | 新昌县泉道智能科技有限公司 | A kind of LED lamp detection device |
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Effective date of registration: 20210520 Address after: 3 / F, Xingming building, 288 Xingming street, Suzhou Industrial Park, Jiangsu Province 215024 Applicant after: SUZHOU LIGHTING OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 311100 room 606-4, building 7, Xixi lotian City, Wuchang Street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Shaojun Technology Co.,Ltd. |
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