CN114585196B - Sealing structure of safety light curtain - Google Patents
Sealing structure of safety light curtain Download PDFInfo
- Publication number
- CN114585196B CN114585196B CN202210197779.5A CN202210197779A CN114585196B CN 114585196 B CN114585196 B CN 114585196B CN 202210197779 A CN202210197779 A CN 202210197779A CN 114585196 B CN114585196 B CN 114585196B
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- Prior art keywords
- sealing
- optical filter
- shell
- light curtain
- safety light
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 125
- 230000003287 optical effect Effects 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The application discloses a sealing structure of a safety light curtain, which at least comprises the following components: the device comprises a shell, an optical filter, two sealing gaskets, two end covers and two sealing strips; the optical filter for light path transmission is arranged on one side of the shell; the two sealing gaskets are arranged at two ends of the shell; the two end covers are arranged on the outer sides of the corresponding sealing gaskets; the two sealing strips are oppositely arranged between the shell and the optical filter. The sealing gasket disclosed by the application realizes the sealing between the shell and the end cover and between the optical filter and the end cover; the sealing strip realizes the sealing between the shell and the optical filter; through waterproof test, the waterproof test device can reach the IP67 waterproof standard. Compared with the prior art, the application can be applied to more environments.
Description
Technical Field
The application belongs to the technical field of safety light curtains, and particularly relates to a sealing structure of a safety light curtain.
Background
The safety light curtain is a photoelectric safety protection device, also called a safety protector, a punch press protector, an infrared safety protection device and the like. In modern chemical industry, people work cooperatively with machines, and on some potentially dangerous mechanical equipment, such as stamping machines, shearing equipment, metal cutting equipment, automatic assembly lines, automatic welding lines, mechanical conveying and carrying equipment, dangerous areas and the like, the construction site which is easy to cause personal injury of operators can be delimited by a safety light curtain, so that the occurrence of casualties is avoided. The existing safety light curtain mostly adopts sealing strip sealing filter, the assembly mode is complex, the installation is complex, the waterproof effect after the installation is poor, the sealing strip cannot effectively attach the filter under the condition of foreign matters or unevenness, the waterproof effect of IP67 is difficult to realize, the product is easy to damp and discard, and the application scene is very limited.
Therefore, it is needed to design a safe light curtain sealing structure which is easy to install and can achieve the waterproof effect of the IP67, so that the applicable environment of the safe light curtain is expanded.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings of the prior art, the present application is directed to a sealing structure for a safety light curtain.
In order to solve the technical problems, the application is realized by the following technical scheme:
the application provides a sealing structure of a safety light curtain, which at least comprises the following components: the device comprises a shell, an optical filter, two sealing gaskets, two end covers and two sealing strips; the optical filter for light path transmission is arranged on one side of the shell; the two sealing gaskets are arranged at two ends of the shell; the two end covers are arranged on the outer sides of the corresponding sealing gaskets; the two sealing strips are oppositely arranged between the shell and the optical filter.
Further, the sealing structure of a safety light curtain, wherein the housing includes: the optical filter comprises a shell body, a clamping part, an inner mounting frame and a bracket for mounting the optical filter; the clamping part, the bracket and the inner frame are respectively connected with the shell body from outside to inside; and a containing cavity is formed between the inner frame and the shell body.
Further, the sealing structure of the safety light curtain, wherein the housing further comprises: an outer frame; the outer mounting frame is arranged on the outer side of the shell body and is opposite to the optical filter.
Further, in the sealing structure of the safety light curtain, the bracket is provided with a connecting piece.
Further, the sealing structure of a safety light curtain, wherein the connecting piece comprises: the waterproof layer structure comprises an adhesive layer structure and a waterproof layer structure, wherein the adhesive layer structure is arranged on the outer side of the waterproof layer structure.
Further, in the sealing structure of the safety light curtain, the bracket is provided with a glue storage space.
Further, in the sealing structure of the safety light curtain, the sealing gasket is further provided with a sealing block, and the sealing block is arranged between the end cover and the optical filter.
Further, the sealing structure of the safety light curtain, wherein the sealing strip comprises: the clamping part and the sealing strip body are mutually connected; the clamping part is connected with the clamping part; and a sealing area of the optical filter is formed between the sealing strip body and the bracket.
Further, the sealing structure of a safety light curtain, wherein the clamping portion at least comprises: two oppositely arranged elastic arms; the connecting part of the elastic arm is connected with the sealing strip body, and a margin space is formed between the free parts of the two elastic arms.
Further, in the sealing structure of the safety light curtain, the sealing strip body has an inclined surface structure.
Compared with the prior art, the application has the following technical effects:
the optical filter for light path transmission is arranged on one side of the shell, the two sealing gaskets are arranged at two ends of the shell, the two end covers are arranged on the outer sides of the corresponding sealing gaskets, and the two sealing strips are oppositely arranged between the shell and the optical filter. Through the arrangement, the sealing gasket realizes the sealing between the shell and the end cover and between the optical filter and the end cover; the sealing strip realizes the sealing between the shell and the optical filter; through waterproof test, the waterproof test device can reach the IP67 waterproof standard. Compared with the prior art, the application can be applied to more environments.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1: an exploded view of a seal structure according to an embodiment of the present application;
fig. 2: an exploded view of the end cap, gasket and housing in one embodiment of the application;
fig. 3: an exploded view of the end cap, gasket and housing in one embodiment of the application;
fig. 4: the structure of the shell is schematically shown in an embodiment of the application;
fig. 5: a schematic cross-sectional view of the structure shown in fig. 4;
fig. 6: in one embodiment of the application, two oppositely arranged sealing strips are schematically shown in cross section;
fig. 7: in one embodiment of the application, the sealing strip, the optical filter and the shell are combined in a schematic cross section;
fig. 8: a schematic diagram of the combination of an end cap and a gasket in an embodiment of the application;
fig. 9: a schematic A-A section of the structure shown in fig. 8;
fig. 10: a front view of a gasket in an embodiment of the present application;
fig. 11: a rear view of a gasket in an embodiment of the application;
fig. 12: a side view of a gasket in an embodiment of the application;
in the figure: the optical filter comprises a shell 1, a shell body 101, a clamping part 102, a bracket 103, an inner frame 104, a containing cavity 105, an outer frame 106, an assembling space 107, a protruding structure 108, a clamping space 109, a groove 110, an optical filter 2, a sealing gasket 3, a sealing block 300, an end cover 4, an external connection end 400, a wire groove 401, a sealing strip 5, a clamping part 501, a sealing strip body 502, an elastic arm 503, a connecting part 504, a free part 505, a allowance space 506, an inclined surface structure 507, a screw 6 and a screw hole 7.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 3, one embodiment of the present application is a sealing structure of a safety light curtain, at least including: the device comprises a shell 1, an optical filter 2, two sealing gaskets 3, two end covers 4 and two sealing strips 5; the optical filter 2 for light path transmission is arranged on one side of the shell 1; two sealing gaskets 3 are arranged at two ends of the shell 1; the two end caps 4 are arranged outside the corresponding sealing gaskets 3; two sealing strips 5 are oppositely arranged between the shell 1 and the optical filter 2.
In this embodiment, the optical filter 2 for light path transmission is disposed at one side of the housing 1, two sealing gaskets 3 are disposed at two ends of the housing 1 and perpendicular to the optical filter 2, two end caps 4 are disposed at the outer sides of the corresponding sealing gaskets 3, and two sealing strips 5 are disposed between the housing 1 and the optical filter 2. By the arrangement, the sealing gasket 3 realizes the sealing between the shell 1 and the end cover 4 and between the optical filter 2 and the end cover 4; the sealing strip 5 realizes the sealing between the shell 1 and the optical filter 2; through waterproof test, this embodiment can reach IP67 waterproof standard. Compared with the prior art, the embodiment can be applied to more environments.
The waterproof test is specifically that a safety light curtain provided with a sealing structure is placed in water with the depth of one meter for 30 minutes, the sealing structure is detected, and all detection indexes can reach IP67 waterproof standards.
In the practical application process, the embodiment is provided with two sealing structures of the safety light curtain, one sealing structure is internally provided with a safety light curtain device body for completing the transmitting operation, the other sealing structure is internally provided with a safety light curtain device body for completing the receiving operation, and the optical filters 2 of the two sealing structures are oppositely arranged, so that the safety light curtain is formed.
Optionally, the end cap 4 is detachably connected to the housing 1.
In this embodiment, each end cap 4 is connected to the housing 1 by four screws 6. Of course, those skilled in the art will be motivated to use other removable connection means such as snap-in.
Specifically, as shown in fig. 4 and 5, the housing 1 includes: a housing body 101, a clamping portion 102, an internal mount 104, and a bracket 103 for mounting the optical filter 2; the clamping part 102, the bracket 103 and the internal rack 104 are respectively connected with the shell body 101 from outside to inside; a receiving chamber 105 is formed between the inner frame 104 and the housing body 101.
In the present embodiment, the case body 101 is provided with a grip portion 102 for mounting the weather strip 5, a bracket 103 for mounting the optical filter 2, and an inner frame 104 for mounting the safety light curtain in this order from the outside to the inside, and the grip portion 102, the bracket 103, and the inner frame 104 are disposed in parallel to each other; a receiving chamber 105 for mounting the safety light curtain apparatus body that completes the transmitting work or the receiving work is formed between the inner mount 104 and the housing body 101.
Specifically, the housing 1 further includes: an outer frame 106; the external frame 106 is disposed outside the housing body 101 and opposite to the optical filter 2.
In this embodiment, an external frame 106 is further disposed on the outer side of the housing body 101, the external frame 106 is disposed opposite to the optical filter 2, and an assembly space 107 is formed between the external frame 106 and the housing body 101, so as to facilitate the installation of the whole safety light curtain, such as hanging on a sliding rail. The fitting space 107 is provided in communication with the screw hole 7 for fitting the screw 6.
Optionally, the clamping portion 102 includes: a pair of oppositely disposed boss structures 108, the boss structures 108 defining a clamping space 109.
In this embodiment, the clamping space 109 is in communication with the screw hole 7 formed in the housing 1.
Optionally, a connector is provided on the bracket 103.
In the present embodiment, the bracket 103 is provided with a connector connected to the filter 2 to enhance the reliability of the connection of the filter 2 to the housing 1.
Alternatively, the connection member includes, but is not limited to, a structure made of an adhesive material and connecting the filter 2 and the bracket 103 using a glue joint, or a structure made of a silicone material and connecting the filter 2 and the bracket 103 using a snap joint.
Specifically, the connector includes: the waterproof layer structure comprises an adhesive layer structure and a waterproof layer structure, wherein the adhesive layer structure is arranged on the outer side of the waterproof layer structure. Through the arrangement, the adhesive layer structure is used for enhancing the bonding stability between the optical filter 2 and the bracket 103, and the waterproof layer structure is used for preventing water from flowing into the accommodating cavity 105 through the optical filter 2, so that the sealing effect of the sealing structure is ensured.
Optionally, the adhesive layer structure is made of double faced adhesive tape.
Optionally, the waterproof layer structure is made of acrylic foam, and the characteristics of the acrylic foam are utilized to enable the optical filter 2 and the bracket 103 to be closely attached to each other, so that a good waterproof effect is achieved.
Specifically, the bracket 103 is provided with a glue storage space, so that the connecting piece is tightly connected with the bracket 103 and the optical filter 2.
In this embodiment, the bracket 103 is provided with a glue storage space, the glue storage space is two grooves 110 that are continuously arranged, the curvature radius of the two grooves 110 is different, and the curvature radius of the groove 110 near the housing body 101 is larger than the curvature radius of the groove 110 far from the housing body 101. Through the recess 110 setting of two different curvature radiuses, on the one hand can ensure with sealed layering complex sealed effect, on the other hand can make filter 2 installation level, does not receive sealed effect of influence such as foreign matter.
Specifically, as shown in fig. 6 and 7, the weather strip 5 includes: a clamping part 501 and a sealing strip body 502 which are connected with each other; the clamping part 501 is connected with the clamping part 102; a sealing area of the optical filter 2 is formed between the sealing strip body 502 and the bracket 103.
In the present embodiment, the weather strip 5 includes: a clamping part 501 and a sealing strip body 502 which are connected with each other; the clamping part 501 is connected with the clamping part 102 and is arranged in the clamping space 109; the sealing strip body 502 and the bracket 103 form a sealing area of the optical filter 2. Through the arrangement, the sealing strip 5 is connected with the shell 1 by the clamping part 501, and the sealing strip body 502 is used for applying pressure to the optical filter 2, so that the optical filter 2 is tightly combined with the bracket 103, and the sealing effect is ensured.
Specifically, the clamping portion 501 includes at least: two oppositely disposed resilient arms 503; the connecting portion 504 of the elastic arm 503 is connected to the sealing strip body 502, and a margin space 506 is formed between the free portions 505 of the two elastic arms 503.
In this embodiment, the clamping portion 501 includes two elastic arms 503 disposed opposite to each other, the connecting portion 504 of the elastic arms 503 is connected to the sealing strip body 502, and a margin space 506 is formed between the free portions 505 of the elastic arms 503, so as to enhance the connection reliability between the sealing strip 5 and the housing 1, and improve the adaptability of the elastic arms 503, and reduce the machining precision requirement of the housing 1. The allowance space 506 is a structure with a narrow middle part and large two ends, and the cross section of the allowance space 506 is a horizontal 8-shaped structure, so that after the two elastic arms 503 are deformed by extrusion, the elastic arms enter the clamping space 109 and rebound, and the connection reliability of the elastic arms 503 and the clamping part 102 is enhanced. The margin space 506 also provides a clearance space for the screw 6 and the like.
Specifically, the sealing strip body 502 has a bevel structure 507.
In this embodiment, the sealing strip body 502 has a bevel structure 507, and the bevel structure 507 and the optical filter 2 are disposed at an included angle to avoid interference with the incident or emergent light path.
Specifically, as shown in fig. 8 to 12, the gasket 3 is disposed in matching with the end cap 4.
Specifically, the sealing gasket 3 is further provided with a sealing block 300, and the sealing block 300 is disposed between the end cover 4 and the optical filter 2.
Optionally, four corners of the end cover 4 are provided with screw holes 7 corresponding to the screws 6.
In this embodiment, the gasket 3 is provided with screw holes 7 matching with the screws 6, and a sealing block 300 matching with the wire grooves 401 of the end cover 4, and the sealing block 300 is disposed between the end cover 4 and the optical filter 2. By the arrangement of the sealing gasket 3, sealing between the housing 1 and the end cover 4 and between the optical filter 2 and the end cover 4 is realized.
Specifically, one of the two end caps 4 is provided with an external connection terminal 400 to be connected with an external device.
The optical filter 2 for light path transmission is arranged on one side of the shell 1, two sealing gaskets 3 are arranged at two ends of the shell 1, two end covers 4 are arranged on the outer sides of the corresponding sealing gaskets 3, and two sealing strips 5 are oppositely arranged between the shell 1 and the optical filter 2. By the arrangement, the sealing gasket 3 realizes the sealing between the shell 1 and the end cover 4 and between the optical filter 2 and the end cover 4; the sealing strip 5 realizes the sealing between the shell 1 and the optical filter 2; through waterproof test, the waterproof test device can reach the IP67 waterproof standard. Compared with the prior art, the application can be applied to more environments.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The above embodiments are only for illustrating the technical scheme of the present application, but not for limiting the same, and the present application is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present application without departing from the spirit and scope of the technical solution of the present application, and it is intended to cover the scope of the claims of the present application.
Claims (7)
1. A sealing structure of a safety light curtain is characterized in that,
at least comprises:
the device comprises a shell, an optical filter, two sealing gaskets, two end covers and two sealing strips;
the optical filter for light path transmission is arranged on one side of the shell; the two sealing gaskets are arranged at two ends of the shell; the two end covers are arranged on the outer sides of the corresponding sealing gaskets; the two sealing strips are oppositely arranged between the shell and the optical filter;
the housing includes: the optical filter comprises a shell body, a clamping part, an inner mounting frame and a bracket for mounting the optical filter; the clamping part, the bracket and the inner frame are respectively connected with the shell body from outside to inside; an accommodating cavity is formed between the inner frame and the shell body;
the sealing strip includes: the clamping part and the sealing strip body are mutually connected; the clamping part is connected with the clamping part; a sealing area of the optical filter is formed between the sealing strip body and the bracket;
the clamping part at least comprises: two oppositely arranged elastic arms; the connecting part of the elastic arm is connected with the sealing strip body, and a margin space is formed between the free parts of the two elastic arms.
2. The sealing structure of a safety light curtain according to claim 1, wherein,
the housing further includes: an outer frame; the outer mounting frame is arranged on the outer side of the shell body and is opposite to the optical filter.
3. The sealing structure of a safety light curtain according to claim 1, wherein,
the bracket is provided with a connecting piece.
4. A sealing structure for a safety light curtain as claimed in claim 3,
the connector includes: the waterproof layer structure comprises an adhesive layer structure and a waterproof layer structure, wherein the adhesive layer structure is arranged on the outer side of the waterproof layer structure.
5. The sealing structure of a safety light curtain as claimed in any one of claims 1 to 4,
and the bracket is provided with a glue storage space.
6. The sealing structure of a safety light curtain as claimed in any one of claims 1 to 4,
the sealing gasket is also provided with a sealing block, and the sealing block is arranged between the end cover and the optical filter.
7. The sealing structure of a safety light curtain according to claim 1, wherein,
the sealing strip body is provided with an inclined plane structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197779.5A CN114585196B (en) | 2022-03-01 | 2022-03-01 | Sealing structure of safety light curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210197779.5A CN114585196B (en) | 2022-03-01 | 2022-03-01 | Sealing structure of safety light curtain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114585196A CN114585196A (en) | 2022-06-03 |
| CN114585196B true CN114585196B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210197779.5A Active CN114585196B (en) | 2022-03-01 | 2022-03-01 | Sealing structure of safety light curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114585196B (en) |
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| CN208015695U (en) * | 2018-03-19 | 2018-10-26 | 昆山立讯射频科技有限公司 | A kind of casing of filter |
| CN208485888U (en) * | 2018-06-06 | 2019-02-12 | 湖南玖康生物科技有限公司 | A kind of full-automatic biological chips detection system |
| CN209195221U (en) * | 2018-08-01 | 2019-08-02 | 天津市永信装饰工程有限公司 | A kind of automobile aluminum wood composite window section |
| CN209245750U (en) * | 2018-12-29 | 2019-08-13 | 珠海亮码科技有限公司 | A kind of panel light of water-proof type |
| CN209387953U (en) * | 2019-01-25 | 2019-09-13 | 上海索迪龙自动化有限公司 | Ultrathin light curtain |
| CN209782043U (en) * | 2019-03-08 | 2019-12-13 | 深圳市意普兴科技有限公司 | Safety light curtain shell |
| CN210120740U (en) * | 2019-06-06 | 2020-02-28 | 深圳市意普兴科技有限公司 | Waterproof light curtain structure |
| CN211976509U (en) * | 2019-12-17 | 2020-11-20 | 上海索迪龙自动化有限公司 | Light curtain end cover and light curtain |
| CN211477175U (en) * | 2020-03-06 | 2020-09-11 | 上海索迪龙自动化有限公司 | Safety light curtain |
| CN213544845U (en) * | 2020-07-02 | 2021-06-25 | 深圳摩特智能控制有限公司 | Light curtain of waterproof grade IP 68's structure |
| CN111880187A (en) * | 2020-07-17 | 2020-11-03 | 中国工程物理研究院应用电子学研究所 | Portable laser radar device |
| CN215119434U (en) * | 2020-12-28 | 2021-12-10 | 宜宾前言科技开发有限公司 | A Microphone Monitor |
| CN214204760U (en) * | 2021-01-21 | 2021-09-14 | 江苏暖贝物联网科技有限公司 | Waterproof mobile switch device with wire harness structure |
| CN215121743U (en) * | 2021-07-12 | 2021-12-10 | 广东上普壹明实业有限公司 | Switching power supply with waterproof function |
| CN113889851A (en) * | 2021-09-22 | 2022-01-04 | 东风柳州汽车有限公司 | Distribution box and vehicle |
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