CN114264602A - Keycap light transmission detection jig and method - Google Patents
Keycap light transmission detection jig and method Download PDFInfo
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- CN114264602A CN114264602A CN202111503942.8A CN202111503942A CN114264602A CN 114264602 A CN114264602 A CN 114264602A CN 202111503942 A CN202111503942 A CN 202111503942A CN 114264602 A CN114264602 A CN 114264602A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 80
- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title abstract description 6
- 239000003973 paint Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
A keycap light transmission detection jig and a method are provided, wherein the keycap light transmission detection jig comprises a light transmission plate and a plurality of light guide columns arranged on the light transmission plate; the light-transmitting plate is used for enabling light to reach the light guide columns through transmission and comprises a light-transmitting plate main body made of transparent light guide materials, and a first paint layer is arranged in a non-light-transmitting area on the surface of the light-transmitting plate main body; each light guide column is used for guiding light to a keycap to-be-detected product placed on the light guide column to realize light transmission detection of the to-be-detected product. According to the keycap light transmission detection jig and the keycap light transmission detection method, the light transmission plate and the light guide columns are arranged on the light transmission plate, the light transmission plate is used for receiving light source irradiation, the light guide columns are used for guiding light to the to-be-detected product placed on the light transmission plate, and light transmission detection of the to-be-detected product is achieved, so that each keycap does not need to correspond to a light source, cost can be remarkably reduced, detection efficiency is improved, and detection quality is improved.
Description
Technical Field
The invention relates to the technical field of keyboard manufacturing, in particular to a keycap light transmission detection jig and a keycap light transmission detection method.
Background
The manufacture of computer keyboards usually employs multiple complicated processes such as injection molding/painting/laser etching/assembling. The keycaps subjected to the paint spraying process usually have poor light leakage due to various factors such as particle flock, abnormal film thickness, scratch and the like, and the keycaps subjected to paint spraying are usually lighted at positions distributed on each keycap by adopting LED lamp beads correspondingly to detect the light leakage of the keycaps, but the mode has high cost, and the LED lamp beads are easy to damage, so that the maintenance is troublesome and the production is seriously influenced; in addition, the light emitted by the LED is comparatively dispersed, the detection capability is reduced, and the missed detection is easy to cause customer complaints.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a keycap light transmission detection jig and a keycap light transmission detection method capable of improving detection quality and efficiency.
The invention provides a keycap light transmission detection jig which comprises a light transmission plate and a plurality of light guide columns arranged on the light transmission plate; the light-transmitting plate is used for enabling light to reach the light guide columns through transmission and comprises a light-transmitting plate main body made of transparent light guide materials, and a first paint layer is arranged in a non-light-transmitting area on the surface of the light-transmitting plate main body; each light guide column is used for guiding light to a keycap to-be-detected product placed on the light guide column to realize light transmission detection of the to-be-detected product.
Further, the first paint layer comprises a black primer for shading and a white surface paint for forming contrast with the color of the product to be detected so as to increase the contrast.
Furthermore, each light guide column comprises a light guide column main body made of transparent light guide materials and a second paint layer arranged on the periphery of the light guide column main body.
Further, the second paint layer includes a white primer for increasing light intensity and a black topcoat for reducing light source diffusion.
Further, the bottom end of the second paint layer is connected with the first paint layer of the light-transmitting plate, and the top end of the second paint layer is away from the top end of the light-guiding column so that light can irradiate the side edge of the product to be detected, so that the light-transmitting detection of the side edge of the product to be detected is realized.
Further, the light-transmitting plate main body and the light guide column main bodies are integrally formed.
Furthermore, the arrangement positions of the light guide columns are consistent with the positions of the keycaps on the detected keyboard.
The invention also provides a keycap light transmission detection jig which comprises a light transmission plate and a plurality of light guide columns arranged on the light transmission plate, wherein the arrangement positions of the light guide columns are consistent with the positions of the keycaps on the keyboard to be detected; the light-transmitting plate is used for enabling light to reach the light guide columns through transmission and comprises a light-transmitting plate main body made of transparent light guide materials, and a first paint layer is arranged in a non-light-transmitting area on the surface of the light-transmitting plate main body; each light guide column is used for guiding light to a keycap to be detected placed on the light guide column to achieve light transmission detection of the product to be detected, each light guide column comprises a light guide column main body made of transparent light guide materials and a second paint layer arranged on the periphery of the light guide column main body, the light guide column main bodies and the light transmission plate main body are integrally formed, the bottom end of the second paint layer is connected with the first paint layer of the light transmission plate, the top end of the second paint layer and the top end of the light guide column are provided with a distance so that light can irradiate the side edge of the product to be detected, and light transmission detection of the side edge of the product to be detected is achieved.
Further, the first paint layer comprises a black primer used for shading light and a white surface paint used for forming contrast with the color of a product to be detected so as to increase the contrast, and the second paint layer comprises a white primer used for increasing the light intensity and a black surface paint used for reducing the light source diffusion.
The invention further provides a keycap light transmission detection method, which comprises the following steps: providing a keycap light transmission detection jig according to any one of claims 1 to 9; providing a light source, and enabling light rays emitted by the light source to be emitted from the light guide column through the light transmission plate; respectively placing products to be detected on the light guide columns; and detecting whether the product to be detected leaks light or not.
According to the keycap light transmission detection jig and the keycap light transmission detection method, the light transmission plate and the light guide columns are arranged on the light transmission plate, the light transmission plate is used for receiving light source irradiation, the light guide columns are used for guiding light to the to-be-detected product placed on the light transmission plate, and light transmission detection of the to-be-detected product is achieved, so that each keycap does not need to correspond to a light source, cost can be remarkably reduced, detection efficiency is improved, and detection quality is improved.
Drawings
Fig. 1 is a schematic view of a keycap light transmission detection jig according to an embodiment of the invention.
FIG. 2 is a cross-sectional view of the keycap light transmission detection tool shown in FIG. 1 along line A-A.
FIG. 3 is a cross-sectional view of the keycap light transmission detection tool shown in FIG. 1 along line B-B.
Fig. 4 is a cross-sectional view of the keycap light transmission detection jig and the product to be detected shown in fig. 1.
Fig. 5 is a schematic view illustrating a use state of the keycap light transmission detection jig shown in fig. 1.
FIG. 6 is a schematic diagram illustrating a key cap light transmittance detection method according to an embodiment of the invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, in the embodiment, the keycap light transmission detection fixture includes a light-transmitting plate 1 and a plurality of light guide pillars 2 disposed on the light-transmitting plate 1. In this embodiment, the arrangement positions of the light guide posts 2 are consistent with the positions of the keycaps on the keyboard to be detected (as shown in fig. 1), so that all the keycaps on the keyboard can be detected at one time. Of course, in other embodiments, the arrangement positions of the light guide posts 2 may not be consistent with the positions of the key caps on the keyboard to be detected, for example, a matrix arrangement is adopted, and the key caps are respectively placed on the light guide posts during detection.
The light transmission plate 1 is used for transmitting light emitted by the light source 3 to the light guide columns 2, and comprises a light transmission plate main body 11 made of transparent light guide materials, and a first paint layer 12 is arranged on a non-light transmission area on the surface of the light transmission plate main body 11.
In this embodiment, the first paint layer 12 comprises a black primer for shading light and a white topcoat for contrasting with the color of the product 4 to be detected (the keycap is generally black) to increase contrast. Of course, in other embodiments, only a black primer for shading may be included.
Each light guide column 2 is used for guiding light to the product 4 to be detected placed on the light guide column to realize the light transmission detection of the product 4 to be detected. Each light guide column 2 comprises a light guide column main body 21 made of transparent light guide materials and a second paint layer 22 arranged on the periphery of the light guide column main body 21. The middle part of the top end of each light guide column 2 is provided with an avoiding groove 23 for avoiding a protruding structure of a product to be detected.
In this embodiment, the light guide pillar body 21 and the light transmissive plate body 11 are integrally formed, so that the structure is stable and the light transmittance is good. Of course, in other embodiments, they may not be formed integrally, but rather may be formed separately and then mounted together.
In this embodiment, the bottom end of the second paint layer 22 is connected to the first paint layer 12 to prevent light from passing between the two. The top of the second paint layer 22 and the top of the light guide column 2 have a certain distance to enable light energy to irradiate the side of the product 4 to be detected, so that the transmission detection of the side of the product 4 to be detected is realized (as shown in fig. 4, a dotted line indicates light, and the light irradiates the side of the product 4 to be detected from the area above the second paint layer 22 on the side of the top of the light guide column 2).
In this embodiment, the second paint layer 22 includes a white primer for increasing light intensity and a black topcoat for reducing light source diffusion.
As shown in fig. 5, the key cap light transmission detection jig of this embodiment utilizes the light-passing board to receive light source 3 and shine through setting up light-passing board 1 and setting up a plurality of leaded light post 2 on light-passing board 1, utilizes a plurality of leaded light post 2 to come light (dotted line representation) guide to the product of waiting to detect of placing above that, realizes treating the printing opacity of detecting the product and detects to need not every key cap and correspond the light source, can show the reduce cost, improve detection efficiency, promote detection quality.
As shown in fig. 6, the present embodiment further provides a keycap light transmission detection method, including: s1, providing the keycap light transmission detection jig and the light source; s2, the keycap light transmission detection jig and the light source are installed together, and the light source is turned on, so that light emitted by the light source is emitted from the light guide column through the light-transmitting plate; and S3, respectively placing the products to be detected on the light guide columns for detection, detecting whether the products to be detected leak light or not, if OK (no light leakage), performing the next procedure on the OK products, and if NG (light leakage, namely the products to be detected are transparent and light penetrates through the products to be detected), scrapping the NG products.
As can be seen from the above description, the key cap light transmittance detection jig and the key cap light transmittance detection method provided by the embodiment do not need a light source corresponding to each key cap, so as to reduce the cost, improve the detection capability, reasonably control the manufacturing process, reduce the defective rate, and block defective products from flowing into the client, so that the field production is smooth and the customer is satisfied.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A keycap light transmission detection jig is characterized by comprising a light transmission plate and a plurality of light guide columns arranged on the light transmission plate; the light-transmitting plate is used for enabling light to reach the light guide columns through transmission and comprises a light-transmitting plate main body made of transparent light guide materials, and a first paint layer is arranged in a non-light-transmitting area on the surface of the light-transmitting plate main body; each light guide column is used for guiding light to a product to be detected placed on the light guide column to realize light transmission detection of the product to be detected.
2. The key cap light transmission detection jig of claim 1, wherein the first paint layer comprises a black primer for shading light and a white surface paint for contrasting with the color of a product to be detected to increase the contrast.
3. The key cap light transmission detection jig of claim 1, wherein each light guide pillar comprises a light guide pillar main body made of a transparent light guide material and a second paint layer arranged around the light guide pillar main body.
4. The key cap light transmission detection fixture of claim 3, wherein the second paint layer comprises a white primer for increasing light intensity and a black topcoat for reducing light source diffusion.
5. The keycap light transmission detection jig of claim 3, wherein the bottom end of the second paint layer is connected with the first paint layer of the light-transmitting plate, and the top end of the second paint layer is spaced from the top end of the light-guiding column so that light can irradiate the side edge of the product to be detected, thereby realizing light transmission detection of the side edge of the product to be detected.
6. The key cap light transmission detection tool of claim 3, wherein the light-transmitting plate body and the plurality of light guide pillar bodies are integrally formed.
7. The key cap light transmission detection tool of claim 1, wherein the arrangement positions of the light guide posts are consistent with the key cap positions on the keyboard to be detected.
8. A keycap light transmission detection jig is characterized by comprising a light transmission plate and a plurality of light guide columns arranged on the light transmission plate, wherein the arrangement positions of the light guide columns are consistent with the positions of keycaps on a detected keyboard; the light-transmitting plate is used for enabling light to reach the light guide columns through transmission and comprises a light-transmitting plate main body made of transparent light guide materials, and a first paint layer is arranged in a non-light-transmitting area on the surface of the light-transmitting plate main body; each light guide column is used for guiding light to a product to be detected placed on the light guide column to achieve light transmission detection of the product to be detected, each light guide column comprises a light guide column main body made of transparent light guide materials and a second paint layer arranged on the periphery of the light guide column main body, the light guide column main bodies and the light transmitting plate main body are integrally formed, the bottom end of the second paint layer is connected with the first paint layer of the light transmitting plate, the top end of the second paint layer and the top end of the light guide column are spaced to enable light to irradiate the side edge of the product to be detected, and light transmission detection of the side edge of the product to be detected is achieved.
9. The key cap light transmission detection tool of claim 8, wherein the first paint layer comprises a black primer for shielding light and a white finish for contrasting with the color of the product to be detected to increase the contrast, and the second paint layer comprises a white primer for increasing the light intensity and a black finish for reducing the light source diffusion.
10. A keycap light transmission detection method is characterized by comprising the following steps: providing a keycap light transmission detection jig according to any one of claims 1 to 9; providing a light source, and enabling light rays emitted by the light source to be emitted from the light guide column through the light transmission plate; respectively placing products to be detected on the light guide columns; and detecting whether the product to be detected leaks light or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111503942.8A CN114264602A (en) | 2021-12-09 | 2021-12-09 | Keycap light transmission detection jig and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111503942.8A CN114264602A (en) | 2021-12-09 | 2021-12-09 | Keycap light transmission detection jig and method |
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| Publication Number | Publication Date |
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| CN114264602A true CN114264602A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111503942.8A Pending CN114264602A (en) | 2021-12-09 | 2021-12-09 | Keycap light transmission detection jig and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115901801A (en) * | 2023-01-30 | 2023-04-04 | 赫比(苏州)通讯科技有限公司 | Keycap ejection rotation inspection jig and keycap inspection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599835U (en) * | 2012-06-17 | 2012-12-12 | 深圳百胜医疗科技有限公司 | Medical device keycap detection device |
| CN109300725A (en) * | 2018-09-30 | 2019-02-01 | 苏州富强科技有限公司 | A kind of absorption type keyboard light transmission detection components |
| CN212432952U (en) * | 2020-05-25 | 2021-01-29 | 江苏特丽亮镀膜科技有限公司 | Device for detecting light transmittance of keyboard |
-
2021
- 2021-12-09 CN CN202111503942.8A patent/CN114264602A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599835U (en) * | 2012-06-17 | 2012-12-12 | 深圳百胜医疗科技有限公司 | Medical device keycap detection device |
| CN109300725A (en) * | 2018-09-30 | 2019-02-01 | 苏州富强科技有限公司 | A kind of absorption type keyboard light transmission detection components |
| CN212432952U (en) * | 2020-05-25 | 2021-01-29 | 江苏特丽亮镀膜科技有限公司 | Device for detecting light transmittance of keyboard |
Non-Patent Citations (1)
| Title |
|---|
| 尤志嘉 等: "《岩土塑性理论及其在地下工程中的应用》", 31 August 2017, 煤炭工业出版社, pages: 157 - 158 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115901801A (en) * | 2023-01-30 | 2023-04-04 | 赫比(苏州)通讯科技有限公司 | Keycap ejection rotation inspection jig and keycap inspection method |
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Application publication date: 20220401 |