CN114440160A - LED explosion-proof clean lamp - Google Patents
LED explosion-proof clean lamp Download PDFInfo
- Publication number
- CN114440160A CN114440160A CN202210174910.6A CN202210174910A CN114440160A CN 114440160 A CN114440160 A CN 114440160A CN 202210174910 A CN202210174910 A CN 202210174910A CN 114440160 A CN114440160 A CN 114440160A
- Authority
- CN
- China
- Prior art keywords
- frame
- light guide
- guide plate
- led
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004382 potting Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model provides an explosion-proof clean lamp of LED which characterized in that: a first pouring groove is formed in the position, corresponding to the edge of the light guide plate, of the first edge frame, the end portion of a first side wall of the first pouring groove abuts against the front end face of the light guide plate, a gap is reserved between a second side wall of the first pouring groove and the edge of the light guide plate, the LED light source is installed in the gap and corresponds to the light guide plate, and the LED light source is sealed by filling a pouring sealant in the first pouring groove; there is a space between the diffusion plate and the first sidewall. Scheme more than adopting, the setting is used for installing the first groove of watering of LED light source, can form sealedly to the LED light source through filling the encapsulation agent, and is sealed reliable, can reach higher explosion-proof grade requirement, has certain spacing distance between the first lateral wall in diffuser plate and the first groove of watering in addition, even there is unnecessary encapsulation agent also can be crowded to the interval department, avoids the encapsulation agent to get into between diffuser plate and the light guide plate, guarantees product production quality.
Description
Technical Field
The invention relates to a lamp, in particular to an LED explosion-proof clean lamp.
Background
The LED explosion-proof clean flat lamp is mainly used in dust-free clean workshop environments with explosion-proof requirements, such as food production environments, medicine production environments and the like.
The utility model discloses an ultra-thin clean explosion-proof dull and stereotyped lamp as chinese utility model patent CN209180684U discloses, it includes the frame, the LED light source, the light guide plate, the diffuser plate, bottom plate etc, the LED light source is installed on the frame, the light guide plate sets up in the frame, and compress tightly through the back lid, the light that the LED light source sent is in entering into the light guide plate through the side of light guide plate, then shine out from the diffuser plate again, but above-mentioned explosion-proof clean flat board of LED only realizes sealed waterproof function through waterproof circle, sealing performance is general, be difficult to reach explosion-proof grade requirement.
The encapsulation process is a reliable explosion-proof sealing process, but the structure of the conventional LED explosion-proof clean flat lamp is difficult to encapsulate, and in the encapsulation process, an encapsulation agent easily permeates into a space between the light guide plate and the diffusion plate, so that the normal use of the lamp is influenced, and the defective rate is high.
Disclosure of Invention
In order to overcome the defects of the background art, the invention provides an LED explosion-proof clean lamp and an installation tool and an installation method of a light guide plate of the LED explosion-proof clean lamp.
The technical scheme adopted by the invention is as follows: an LED explosion-proof clean lamp comprises a frame, a light guide plate, a diffusion plate and a rear cover plate, wherein the frame is formed by integrating a plurality of first frames and second frames, an LED light source is arranged in each first frame, the light guide plate is positioned in the frame, the diffusion plate is arranged on the front surface of the light guide plate and is tightly attached to the light guide plate, and the rear cover plate is fixedly arranged at the rear of the frame and is fixedly clamped with the light guide plate together with the frame; a first pouring groove is formed in the position, corresponding to the edge of the light guide plate, of the first edge frame, the end portion of a first side wall of the first pouring groove abuts against the front end face of the light guide plate, a gap is reserved between a second side wall of the first pouring groove and the edge of the light guide plate, the LED light source is installed in the gap and corresponds to the light guide plate, and a pouring sealant is filled in the first pouring groove to seal the LED light source; a space is formed between the diffusion plate and the first side wall.
And second pouring grooves are formed in the positions, corresponding to the edges of the diffusion plate, of the first frame and the second frame, and sealing is formed between the diffusion plate and the frame by filling pouring sealant in the second pouring grooves.
And third pouring grooves are formed in the contact parts of the first frame, the second frame and the rear cover plate, and sealing is formed between the rear cover plate and the frame by filling a pouring sealant in the third pouring grooves.
The LED light source comprises a strip-shaped light source plate and a plurality of LED lamp beads, the light source plate is installed on the second side wall of the second pouring groove, and the LED lamp beads are arranged at intervals along the light source plate and correspond to the light guide plate.
Still be provided with a plurality of spacing bosss on the light source board, just spacing boss is higher than LED lamp pearl.
The frame is a rectangular frame and comprises two first frames which are arranged in parallel, and the two groups of LED light sources are arranged in the two first frames respectively.
The end of the second side wall is also formed with a baffle.
The rear surface of the light guide plate is pasted with a layer of reflective paper.
And a foaming sponge cushion is arranged between the rear cover plate and the light guide plate.
The invention has the beneficial effects that: scheme more than adopting, the setting is used for installing the first groove of watering of LED light source, can form sealedly to the LED light source through filling the encapsulation agent, and is sealed reliable, can reach higher explosion-proof grade requirement, has certain spacing distance between the first lateral wall in diffuser plate and the first groove of watering in addition, even there is unnecessary encapsulation agent also can be crowded to the interval department, avoids the encapsulation agent to get into between diffuser plate and the light guide plate, guarantees product production quality.
Drawings
Fig. 1 is a schematic structural view of an LED explosion-proof clean lamp according to an embodiment of the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is an enlarged schematic view at C in fig. 2.
Fig. 4 is a sectional view taken in the direction B-B in fig. 1.
Fig. 5 is an enlarged schematic view of fig. 4 at D.
Fig. 6 is a schematic structural diagram of an LED light source according to an embodiment of the invention.
Fig. 7 is an enlarged schematic view at E in fig. 6.
Detailed Description
The embodiments of the invention will be further described with reference to the accompanying drawings in which:
as shown in the figure, the LED explosion-proof clean lamp includes a frame 1, a light guide plate 2, a diffusion plate 3, a back cover plate 4, and an LED light source 5.
The frame 1 is formed by integrally enclosing a plurality of first frames 11 and second frames 12, and the LED light sources 5 are arranged in the first frames 11. Here, a frame on which the LED light source is mounted is defined as a first frame 11, and a frame on which the LED light source is not mounted is defined as a second frame 12. As shown in the figure, the frame 1 is a rectangular frame, two long frames of the rectangular frame are first frames 11, two short frames of the rectangular frame are second frames 12, and the LED light sources 5 are provided with two groups and respectively arranged in the two first frames 11, so that the structure is simple, and the lighting effect is good. Of course, the frame is not limited to a rectangular frame, and may be other polygonal frames, and the first frame and the LED light source are not limited to two sets, and may be only provided in one set, or even more sets.
The light guide plate 2 is positioned in the frame 1, the edge of the light guide plate 2 corresponding to the first frame 11 corresponds to the LED light source 5 in the first frame 11, the diffusion plate 3 is arranged on the front surface of the light guide plate 2 and is tightly attached to the light guide plate 2, light emitted by the LED light source 5 can enter the light guide plate 2 from the edge of the side edge of the light guide plate 2 and then is irradiated out from the diffusion plate 3, and therefore the lighting function is achieved. The rear surface of the light guide plate 2 is provided with a layer of reflective paper 6 in an attached mode, light enters the light guide plate, is reflected by the reflective paper 6 and then shines out of the diffusion plate 3, and a better shining effect can be achieved.
The rear cover plate 4 is fixedly installed at the rear of the frame 1, and can be fixedly connected in a bolt fixing mode and the like, and the rear cover plate 4 and the frame 1 can jointly fix and clamp the diffusion plate 3 and the light guide plate 2. Wherein, be equipped with foaming foam pad 7 between back shroud 4 and the light guide plate 2, through foaming foam pad 7's springiness cushioning, both guaranteed to the reliable tight fixed action of clamp of light guide plate 2, avoid again because of excessively pressing from both sides the problem that the extrusion caused light guide plate 2 or diffuser plate 3 to damage, guarantee product quality.
As shown in the figure, a first pouring groove 13 is arranged at a position of the first frame 11 corresponding to the edge of the light guide plate 2, a gap 14 exists between the diffusion plate 3 and a first side wall 131 of the first pouring groove 13, an end portion of the first side wall 131 directly extends to and abuts against the front end surface of the light guide plate 2, a gap 133 is left between a second side wall 132 of the first pouring groove 13 and the edge of the light guide plate 2, the LED light source 5 is installed at the gap 133, and specifically includes a strip-shaped light source plate 51 and a plurality of LED beads 52, the light source plate 51 is installed on the second side wall 132 of the second pouring groove 12, the LED beads 52 are arranged at intervals along the light source plate 51 and correspond to the light guide plate 2, the first pouring groove 13 is filled with a pouring sealant to form a seal for the LED light source 5, which not only enables the LED light source 5 to obtain a reliable seal, thereby being capable of satisfying a higher explosion-proof level requirement, and certain spacing distance exists between diffuser plate 3 and the first lateral wall of first encapsulation groove, even there is surplus casting sealant also can be crowded department of interval, avoids casting sealant to get into between diffuser plate 3 and the light guide plate 2, guarantees product production quality.
When the LED light source 5, the diffusion plate 3, and the light guide plate 2 are mounted on the frame 1, one of the first frames may be used as a bottom position and the frame may be erected to maintain a certain inclination angle, and then the potting agent is poured into the frame, and the potting agent flows into the first potting groove 13 along the inclination angle.
Still be provided with a plurality of spacing bosss 53 on the light source board 51, just spacing boss 53 is higher than LED lamp pearl 52, carries on spacingly through spacing boss 53 to the position of light guide plate 2, can prevent that light guide plate 2 from carrying out the extrusion and damaging LED lamp pearl to LED lamp pearl.
In addition, a second pouring groove 15 is formed in the first frame 11 and the second frame 12 at positions corresponding to the edge of the diffuser plate 3, and a sealing is formed between the diffuser plate 3 and the frame 1 by filling a pouring agent in the second pouring groove 15.
Third pouring grooves 16 are formed in the contact parts of the first frame 11 and the second frame 12 and the rear cover plate 4, and a sealing part is formed between the rear cover plate 4 and the frame 1 by filling a pouring agent in the third pouring grooves 16.
The front side and the rear side of the frame 1, the diffusion plate 3 and the rear cover plate 4 are sealed by pouring, so that reliable sealing is further ensured, and the requirement of higher explosion-proof level can be met.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.
Claims (9)
1. An LED explosion-proof clean lamp comprises a frame (1), a light guide plate (2), a diffusion plate (3) and a rear cover plate (4), wherein the frame (1) is integrally formed by a plurality of first frames (11) and second frames (12), an LED light source (5) is arranged in each first frame (11), the light guide plate (2) is positioned in the frame (1), the diffusion plate (3) is arranged on the front surface of the light guide plate (2) and tightly attached to the light guide plate (2), and the rear cover plate (4) is fixedly arranged at the rear of the frame (1) and fixedly clamps the diffusion plate (3) and the light guide plate (2) together with the frame (1);
the method is characterized in that: a first pouring groove (13) is formed in the position, corresponding to the edge of the light guide plate (2), of the first frame (11), the end portion of a first side wall (131) of the first pouring groove (13) is abutted to the front end face of the light guide plate (2), a gap (133) is reserved between a second side wall (132) of the first pouring groove (13) and the edge of the light guide plate (2), the LED light source (5) is installed at the gap (133) and corresponds to the light guide plate (2), and the LED light source (5) is sealed in the first pouring groove (13) through filling a pouring sealant; a space (14) is provided between the diffusion plate (3) and the first side wall (131).
2. The LED explosion-proof clean lamp according to claim 1, characterized in that: and second pouring grooves (15) are formed in the positions, corresponding to the edges of the diffusion plate (3), of the first frame (11) and the second frame (12), and a pouring agent is filled in the second pouring grooves (15) to form sealing between the diffusion plate (3) and the frame (1).
3. The LED explosion-proof clean lamp according to claim 1, characterized in that: third pouring grooves (16) are formed in the contact parts of the first frame (11) and the second frame (12) and the rear cover plate (4), and a pouring sealant is filled in the third pouring grooves (16) to form sealing between the rear cover plate (4) and the frame (1).
4. The LED explosion-proof clean lamp according to claim 1, characterized in that: the LED light source (5) comprises a strip-shaped light source plate (51) and a plurality of LED lamp beads (52), the light source plate (51) is installed on the second side wall (132) of the second pouring groove (12), and the LED lamp beads (52) are arranged at intervals along the light source plate (51) and correspond to the light guide plate (2).
5. The LED explosion-proof clean lamp according to claim 4, characterized in that: the LED lamp is characterized in that a plurality of limiting bosses (53) are further arranged on the light source board (51), and the limiting bosses (53) are higher than the LED lamp beads (52).
6. The LED explosion-proof clean lamp according to claim 1, characterized in that: the frame (1) is a rectangular frame and comprises two first frames (11) which are arranged in parallel, and the LED light sources (5) are arranged in two groups and are respectively arranged in the two first frames (11).
7. The LED explosion-proof clean lamp according to claim 1, characterized in that: the end of the second side wall (132) is also formed with a baffle (134).
8. The LED explosion-proof clean lamp according to claim 1, characterized in that: the rear surface of the light guide plate (2) is provided with a layer of reflective paper (6).
9. The LED explosion-proof clean lamp according to claim 1, characterized in that: and a foaming sponge cushion (7) is arranged between the rear cover plate (4) and the light guide plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174910.6A CN114440160A (en) | 2022-02-25 | 2022-02-25 | LED explosion-proof clean lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174910.6A CN114440160A (en) | 2022-02-25 | 2022-02-25 | LED explosion-proof clean lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114440160A true CN114440160A (en) | 2022-05-06 |
Family
ID=81374593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210174910.6A Pending CN114440160A (en) | 2022-02-25 | 2022-02-25 | LED explosion-proof clean lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114440160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099267A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州欧普照明有限公司 | Lamp panel waterproof structure and clean waterproof lamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205331952U (en) * | 2015-12-02 | 2016-06-22 | 南京华生皓光电科技有限公司 | Dull and stereotyped lamp of multistage canned type LED |
| CN107270221A (en) * | 2017-07-28 | 2017-10-20 | 江苏欧惠达光电节能科技有限公司 | A kind of ultra-thin panel light of built-in power |
| JP3221484U (en) * | 2019-03-14 | 2019-05-30 | アイエネ企画株式会社 | LED edge light with spacer |
| CN113036023A (en) * | 2021-04-09 | 2021-06-25 | 玉衡科技发展(大连)有限公司 | Integrated box dam, sealed explosion-proof LED light source module and LED light source device |
| CN213872393U (en) * | 2020-12-22 | 2021-08-03 | 海盐金隆照明科技股份有限公司 | Prevent dull and stereotyped lamp of luminous LED of interior extrusion formula side |
| CN113639220A (en) * | 2021-06-30 | 2021-11-12 | 浙江朗普电气科技有限公司 | Explosion-proof plane lamp in toilet |
| WO2021259214A1 (en) * | 2020-06-22 | 2021-12-30 | 东莞中工通明光电科技有限公司 | Thin waterproof clean lamp |
-
2022
- 2022-02-25 CN CN202210174910.6A patent/CN114440160A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205331952U (en) * | 2015-12-02 | 2016-06-22 | 南京华生皓光电科技有限公司 | Dull and stereotyped lamp of multistage canned type LED |
| CN107270221A (en) * | 2017-07-28 | 2017-10-20 | 江苏欧惠达光电节能科技有限公司 | A kind of ultra-thin panel light of built-in power |
| JP3221484U (en) * | 2019-03-14 | 2019-05-30 | アイエネ企画株式会社 | LED edge light with spacer |
| WO2021259214A1 (en) * | 2020-06-22 | 2021-12-30 | 东莞中工通明光电科技有限公司 | Thin waterproof clean lamp |
| CN213872393U (en) * | 2020-12-22 | 2021-08-03 | 海盐金隆照明科技股份有限公司 | Prevent dull and stereotyped lamp of luminous LED of interior extrusion formula side |
| CN113036023A (en) * | 2021-04-09 | 2021-06-25 | 玉衡科技发展(大连)有限公司 | Integrated box dam, sealed explosion-proof LED light source module and LED light source device |
| CN113639220A (en) * | 2021-06-30 | 2021-11-12 | 浙江朗普电气科技有限公司 | Explosion-proof plane lamp in toilet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099267A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州欧普照明有限公司 | Lamp panel waterproof structure and clean waterproof lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101256299B (en) | Back light module unit as well as display device using the same | |
| CN114440160A (en) | LED explosion-proof clean lamp | |
| CN101893172A (en) | Light emitting diode lamp | |
| CN211627969U (en) | Backlight module and vehicle-mounted display | |
| CN110488523A (en) | Liquid crystal display and its installation method | |
| CN104879687A (en) | LED panel lamp and assembly method thereof | |
| CN211149134U (en) | Side-in backlight module and display device | |
| CN215576024U (en) | Backlight module and display device | |
| CN204806087U (en) | LED plane lamps and lanterns | |
| CN216695024U (en) | Vehicle automatic navigator with quick assembly disassembly structure | |
| CN2891289Y (en) | Frame for encapsulation of large solar cell assembly with glue grooves | |
| CN212276185U (en) | Atmosphere lamp and display device | |
| CN113701122B (en) | Sealing structure of automobile front combined lamp | |
| CN210167067U (en) | LED protective mask and LED assembly | |
| CN209946438U (en) | Backlight module and display device | |
| CN215872311U (en) | Car roof screen with waterproof function | |
| CN208752355U (en) | A kind of glue frame side is affixed on the Novel back optical mode group of backboard outer wall | |
| CN212623175U (en) | Special-shaped light guide plate structure | |
| CN217824999U (en) | Test shielding box | |
| CN212480963U (en) | Plastic suction mirror lamp capable of emitting light from multiple surfaces | |
| CN216345786U (en) | Panel light with uniform light emission | |
| CN216010726U (en) | Tunnel LED induction lamp housing | |
| CN218209091U (en) | Novel portable projecting lamp | |
| CN218001360U (en) | Wisdom warning lamp with light filling effect | |
| CN217463195U (en) | Top cover part and water softening equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |