CN215061487U - Lamp protective cover of outdoor projection lamp and projection lamp - Google Patents
Lamp protective cover of outdoor projection lamp and projection lamp Download PDFInfo
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- CN215061487U CN215061487U CN202120339067.3U CN202120339067U CN215061487U CN 215061487 U CN215061487 U CN 215061487U CN 202120339067 U CN202120339067 U CN 202120339067U CN 215061487 U CN215061487 U CN 215061487U
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Abstract
The utility model discloses a lamp protective cover of an outdoor projection lamp and the projection lamp, wherein the lamp protective cover comprises a protective cover shell and a cover body with a light-passing plate; the protective cover shell is connected with one side of the cover body through a connecting piece, and the cover body can be opened and closed on the protective cover shell along the connecting piece; the inner side of the protective cover shell is provided with a step, and the inner side of the cover body is attached to the step when the cover body is closed; one side of the protective cover shell, which is far away from the connecting piece, is connected through an openable connecting structure; the openable connection structure includes any one of the following: button connection structure, joint formula connection structure and magnetism type connection structure. This is disclosed connects shield casing and lid through using the connecting piece and can open and shut connection structure, assembles into a lamps and lanterns protection casing that has accommodation space, and this lamps and lanterns protection casing can open one side through can opening and shutting connection structure when using to can rotate on the shield casing through the connecting piece lid, realize the purpose that the lamps and lanterns protection casing was used in the fast assembly.
Description
Technical Field
The utility model relates to a lamps and lanterns technical field, in particular to lamps and lanterns protection casing and projecting lamp of outdoor projecting lamp.
Background
A projector is a lamp that specifies that the illuminance on the illuminated surface is higher than the surrounding environment, and is also called a spotlight. Generally, the multifunctional sighting telescope can be aimed in any direction, is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like, and can be used as a stage lamp.
The projecting lamp is in outdoor use, because various different reasons, often can overhaul it. In the process of maintenance, particularly for the projection lamp arranged at a high altitude position, the problem that maintenance personnel are troubled is that the disassembled parts are placed everywhere.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made in order to provide a lamp protection cover for an outdoor projector and a projector that overcome the above problems or at least partially solve the above problems.
In a first aspect, an embodiment of the present invention provides a lamp protection cover for outdoor projection lamps, which can include: a protective cover shell and a cover body with a light-transmitting plate; the protective cover shell is connected with one side of the cover body through a connecting piece, and the cover body can be opened and closed on the protective cover shell along the connecting piece;
the inner side of the protective cover shell is provided with a step, and the inner side of the cover body is attached to the step when the cover body is closed; one side of the protective cover shell, which is far away from the connecting piece, is connected through an openable connecting structure;
the openable and closable connecting structure includes any one of: button connection structure, joint formula connection structure and magnetism type connection structure.
Optionally, the clamping connection structure includes: and one side of the L-shaped buckle is installed on the protective shell through a buckle hole preset on the protective shell, and the other side of the L-shaped buckle is used for clamping the cover body when the cover body is closed.
Optionally, a sealing strip is arranged on the step.
Optionally, the connecting member is any one of the following: hinge, hinge or bore-and-shaft type connections.
Optionally, the edge of the shield shell extends outwards to form a C shape or an arc shape.
Optionally, a lamp mounting position is arranged in the protective cover shell, and a through hole and a waterproof plug matched with the through hole are arranged on one side of the protective cover shell.
Optionally, a protective cover fixing piece is mounted on one side of the protective cover shell;
the shield fixing member includes: a first and a second fixed part connector;
the first fixing piece connecting piece is L-shaped and is connected with the protective cover shell through a bolt close to one side of the protective cover shell;
a plurality of first angle adjusting holes are distributed on the first fixing piece connecting piece;
the second fixing piece connecting piece is in an arc shape, and two ends of the second fixing piece connecting piece are respectively connected with the bottom end of the first fixing piece connecting piece through bolts; second angle adjusting holes corresponding to the first angle adjusting holes are formed in the two ends of the second fixing piece connecting piece;
and a fixing bolt assembly used for fixing the protective cover shell is arranged in the middle of the second fixing piece connecting piece.
In a second aspect, the embodiment of the present invention provides a projection lamp, which can include: the light fixture protective cover of the first aspect and the projection lamp body arranged inside the light fixture protective cover; the projection lamp body is electrically connected with an external cable.
Optionally, the projecting lamp body includes: the heat dissipation device comprises a light source component and a heat dissipation device connected with the light source component;
the light source assembly includes: the LED lamp comprises a copper substrate and LED lamp beads; the heat dissipating device includes: the heat dissipation structure comprises a chassis and a plurality of groups of heat dissipation rib plates connected to the chassis;
the copper substrate and the LED lamp beads are fixed in an eutectic welding mode; the heat conducting bonding pad of the copper substrate is insulated and isolated from the electrode;
the copper substrate is in thermal contact with the chassis, and the chassis is detachably mounted on a lamp mounting position inside the lamp protective cover.
Optionally, the light source assembly further comprises: the refraction lamp shade, the refraction lamp shade joint is in the LED lamp pearl outside.
Optionally, the upper surface of the copper substrate has multiple groups of welding points, and each welding point includes a heat conduction end point of the heat conduction pad, and a positive terminal and a negative terminal of the electrodes located at two sides of the heat conduction end point;
the LED lamp bead comprises a positive electrode end, a negative electrode end and a heat conducting end;
and the positive terminal, the negative terminal and the heat conduction terminal of the LED lamp bead are respectively and correspondingly eutectic-welded and fixed with the positive wiring terminal, the negative wiring terminal and the heat conduction end point of the welding point.
The embodiment of the utility model provides an above-mentioned technical scheme's beneficial effect includes at least:
the embodiment of the utility model provides a lamp protective cover of an outdoor projection lamp and the projection lamp, wherein the lamp protective cover comprises a protective cover shell and a cover body with a light-passing plate; the protective cover shell is connected with one side of the cover body through a connecting piece, and the cover body can be opened and closed on the protective cover shell along the connecting piece; the inner side of the protective cover shell is provided with a step, and the inner side of the cover body is attached to the step when the cover body is closed; one side of the protective cover shell, which is far away from the connecting piece, is connected through an openable connecting structure; the openable and closable connecting structure includes any one of: button connection structure, joint formula connection structure and magnetism type connection structure. This is disclosed connects shield casing and lid through using the connecting piece and can open and shut connection structure, assembles into a lamps and lanterns protection casing that has accommodation space, and this lamps and lanterns protection casing can open one side through can opening and shutting connection structure when using to can rotate on the shield casing through the connecting piece lid, realize the purpose that the lamps and lanterns protection casing was used in the fast assembly.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a lamp protective cover provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a protective cover fixing member provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a second fixing member provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a projector provided in embodiment 2 of the present invention;
fig. 5 is a schematic structural diagram of a light source assembly provided in embodiment 2 of the present invention.
1 is a lamp protective cover; 2 is the projector body;
11 is a protective cover shell; 12 is a cover body; 13 is a connecting piece; 14 is an openable and closable connecting structure; 15 is a sealing strip; 16 is a protective cover fixing piece; 17 is a mounting position; 18 is a through hole; 21 is a light source assembly; 22 is a heat sink;
111 is a landing; 121 is a light-transmitting plate; 161 is a first fastener attachment; 162 is a second fastener attachment; 163 is a first angle adjustment hole; 164 is a second angle adjustment aperture; 165 is a fixing bolt assembly; 211 is a copper substrate; 212 is an LED lamp bead; 213 is a refractive lampshade; 221 is a chassis; 222 are heat dissipating fins.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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," "second," and "third" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment 1 of the utility model provides a lamps and lanterns protection casing of outdoor projecting lamp, this lamps and lanterns protection casing can be used to install in the outside of outdoor projecting lamp, can not only play the guard action to the projecting lamp, can provide the installation position of projecting lamp moreover, conveniently dismantle the installation and overhaul. Referring to fig. 1, the protective cover 1 of the luminaire in the present embodiment may include: a shield case 11 and a cover 12 having a transparent plate 121; the protective cover shell 11 is connected with one side of the cover body 12 through a connecting piece 13, and the cover body 12 can be opened and closed on the protective cover shell 11 along the connecting piece 13;
a step 111 is arranged on the inner side of the protective cover shell 11, and the inner side of the cover body is attached to the step 111 when the cover body 12 is closed; the side of the protective cover shell 11 far away from the connecting piece 13 is connected through an openable connecting structure 14;
the openable connecting structure 14 may include any one of: button connection structure, joint formula connection structure and magnetism type connection structure.
The embodiment of the utility model provides an in above-mentioned lamps and lanterns protection casing, through using the connecting piece and can open and shut connection structure and connect protection casing and lid, assemble into a lamps and lanterns protection casing that has accommodation space, this lamps and lanterns protection casing can open one side through the connection structure that can open and shut when using to can rotate on protection casing through the connecting piece lid, realize the purpose that fast assembly used lamps and lanterns protection casing.
The embodiment of the utility model provides an in the light-passing board that sets up on the above-mentioned lid can shine out the light of projecting lamp transmission, do not obstruct the normal use of projecting lamp. The ladder platform can be arranged around the inner side of the protective cover shell, and can also be provided with a plurality of intermittent ladder platforms as long as the ladder platform can be leveled with the outer edge of the protective cover shell after the cover body is closed. The connecting structure that can open and shut sets up in the one side of keeping away from the connecting piece, and it can be understood that, when the shield casing is the cuboid, the connecting structure that can open and shut can set up the offside at the connecting piece, and also a plurality of connecting structure that can open and shut set up the one side at no connecting piece.
In the embodiment of the present invention, the button-type connecting structure is provided with a button at one end and a button hole at the other end, so that two separated objects can be connected in an openable manner; the clamping connection structure is characterized in that one end of the clamping connection structure is provided with a bulge, and the other end of the clamping connection structure is provided with a groove, so that clamping connection can be completed; or one end of the baffle is provided with a baffle which is clamped and connected; the magnetic attraction type connecting structure is characterized in that a magnetic object (such as a magnet) is arranged between solids to be connected, and the two objects are connected in an openable manner according to the principle of opposite attraction.
In an alternative embodiment, the above-mentioned clip-type connecting structure may include: at least one L-shaped buckle, wherein one side of the L-shaped buckle is installed on the protective shell through a buckle hole preset on the protective shell, and the other side of the L-shaped buckle is connected with the cover body in a clamping mode when the cover body is closed.
In an alternative embodiment, the landing is provided with a sealing strip 15 (not shown, at 111). Inside this sealing strip can stop liquid entering lamps and lanterns protection casing, prevent internally mounted's projecting lamp circuit from damaging.
In an alternative embodiment, the connecting member 13 is any one of the following: hinge, hinge or bore-and-shaft type connections.
The hinge is a mechanical device which connects two solids and allows relative rotation between the two solids, and the hinge can be formed by a movable component or a foldable material; the hole shaft type connecting structure is a mechanical device which is used for connecting two solids and allowing the two solids to rotate relatively, holes are formed in two ends of the mechanical device, a rotating shaft (such as a metal shaft) is clamped through the holes, and the two solids rotate through the holes and the rotating shaft; the structure of the hinge is usually of the two-fold type, and is a part for connecting and moving two parts of an object.
In an alternative embodiment, the edge of the shield shell extends outward in a C-shape or an arc shape.
The embodiment of the utility model provides an in above-mentioned lamps and lanterns protection casing, lid down when using, for road or building below provide the illumination, C shape or curved structure can effectively prevent in the water infiltration lamps and lanterns protection casing.
In an alternative embodiment, referring to fig. 1, a lamp mounting location 17 is provided within the shroud housing 11; the shield case 11 has a through hole 18 and a waterproof plug (not shown) fitted into the through hole 18.
The above-mentioned lamps and lanterns installation position in this embodiment can be bolt assembly, can be the joint subassembly, also can be the fixed subassembly of other forms, the embodiment of the utility model provides a do not specifically limit to this. One side of the protective cover shell is provided with a through hole and a waterproof plug, and the through hole is used for wiring and electrically connecting the projection lamp inside the lamp protective cover with the outside. Waterproof end cap can effectively prevent water infiltration, but does not hinder to ventilate, and inside heat can be through transmission such as this waterproof end cap or lamps and lanterns protection casing and distribute away.
In an alternative embodiment, referring to fig. 2 and 3, a shield fixing member 16 is installed at one side of the shield case 11;
the shield fixing member 16 includes: a first fixture connector 161 and a second fixture connector 162;
the first fixing piece connecting piece 161 is L-shaped and is bolted to the shield shell 11 on the side close to the shield shell 11;
a plurality of first angle adjusting holes 163 are distributed on the first fixing piece connecting piece 161;
the second fixing member coupler 162 has an arcuate shape, and both ends thereof are respectively bolted to the bottom end of the first fixing member coupler 161; second angle adjusting holes 164 corresponding to the first angle adjusting holes 163 are formed at both ends of the second fixing piece connecting member 162;
the second fixing piece coupling member 162 is provided at a middle portion thereof with a fixing bolt assembly 165 for fixing the shield case 11.
In the use, above-mentioned protection casing mounting can adjust above-mentioned lamps and lanterns protection casing according to illumination in-service use angle. It should be noted that, the positions of the first angle adjusting hole and the second angle adjusting hole can be set according to actual requirements, and the density of the first angle adjusting hole directly affects the range and size of the angle adjusting. In this embodiment, the positions of the first angle adjusting hole and the connecting end of the first fixing connector and the second fixing connector are not particularly limited, and it is understood that the connecting end of the first fixing connector and the second fixing connector is movably connected, for example, by a rivet-releasing connection, so that they can rotate relatively. The first angle adjusting holes can be positioned above the connecting ends of the first angle adjusting holes and are distributed in a semicircular shape with a downward opening; of course, the first angle adjusting hole can also be located below the connecting end, and the first angle adjusting hole is distributed in a semicircular shape with an upward opening.
Example 2
The embodiment 2 of the utility model provides a projecting lamp, this projecting lamp can be applied to outdoor eminence illumination, and it is shown with reference to fig. 4 and 5, this projecting lamp can include: the lamp protection cover 1 and the projector body 2 arranged inside the lamp protection cover in the embodiment 1 are provided; the projector body 2 is electrically connected with an external cable.
In an optional embodiment, the projector body 2 may include: a light source assembly 21 and a heat sink 22 connected to the light source assembly 21;
the light source assembly 21 may include: a copper substrate 211 and LED lamp beads 212; the heat sink 22 may include: a chassis 221 and a plurality of sets of heat dissipation ribs 222 connected to the chassis 221;
the copper substrate 211 and the LED lamp bead 212 are fixed in an eutectic welding mode; the heat conducting bonding pad of the copper substrate 211 is insulated and isolated from the electrode;
the copper substrate 211 is in thermal contact with the bottom plate 221, and the bottom plate 221 is detachably mounted on the lamp mounting position 17 inside the lamp shield 1.
The utility model provides an insulating isolation between heat conduction pad and the electrode of the copper base plate of the light source subassembly of projecting lamp, the copper base plate of light source subassembly is direct and the casing contact, thereby the heat that produces in the work of LED lamp pearl can be through the quick heat conduction of copper base plate to the casing, the mode of insulating isolation of electrode and heat conduction pad also makes copper base plate heat conduction itself faster, the light energy loss that the heat loss arouses has been avoided, therefore, the heat conduction efficiency is improved, calorific capacity is reduced, and then power conversion efficiency is promoted, the reliability of LED lamp pearl is improved, the life of LED lamp pearl is prolonged, and the luminous intensity of LED lamp pearl is improved, can adopt LED lamp pearl still less to realize anticipated illuminating effect, raw materials cost and manufacturing cost have been saved.
The utility model provides a LED lamp pearl evenly arranges in LED projecting lamp's light source subassembly annular on the copper base plate, and when the distance interval of lamp pearl becomes 1:8 to 1:14 proportional relation with the diameter of copper base plate, both can realize the effective heat dissipation of LED lamp pearl, can reduce the light decay of LED lamp pearl again to not only can guarantee the life of LED projecting lamp but also can guarantee that the LED projecting lamp reaches more illumination effect.
The utility model provides a light source subassembly of LED projecting lamp adopts LED lamp pearl and copper base plate to pass through the fixed electric conductive property that has improved light source subassembly itself of eutectic welding mode, has improved electric energy utilization efficiency, has strengthened the light efficiency and the power supply stability of LED lamp pearl.
In an alternative embodiment, as shown with reference to fig. 5, the light source assembly 21 further comprises: refracting lamp shade 213, refracting lamp shade 213 joint is in the LED lamp pearl 212 outside.
In an alternative embodiment, the upper surface of the copper substrate 211 has multiple sets of solder joints, each including a heat conducting end point of a heat conducting pad and positive and negative terminals of electrodes located on both sides of the heat conducting joint;
the LED lamp bead 212 comprises a positive terminal, a negative terminal and a heat conducting terminal;
and the positive terminal, the negative terminal and the heat conduction terminal of the LED lamp bead are respectively and correspondingly eutectic-welded and fixed with the positive wiring terminal, the negative wiring terminal and the heat conduction terminal of the welding point.
The embodiment of the utility model provides an in, set up the heat conduction contact of the heat conduction pad of copper base plate between the positive wiring end and the negative wiring end of electrode, in LED lamp pearl working process, can be even with the heat conduction who produces on the casing, realize the even heat dissipation of LED lamp pearl to can increase the stability in use of LED lamp pearl, prolong the life of LED projecting lamp.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. The present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a lamps and lanterns protection casing of outdoor projecting lamp which characterized in that includes: a protective cover shell (11) and a cover body (12) with a light-transmitting plate (121); the protective cover shell (11) is connected with one side of the cover body (12) through a connecting piece (13), and the cover body (12) can be opened and closed on the protective cover shell (11) along the connecting piece (13);
a step (111) is arranged on the inner side of the protective cover shell (11), and the inner side of the cover body is attached to the step (111) when the cover body (12) is closed; one side of the protective cover shell (11) far away from the connecting piece (13) is connected through an openable connecting structure (14);
the openable and closable connection structure (14) includes any one of: button connection structure, joint formula connection structure and magnetism type connection structure.
2. The luminaire shield of claim 1, wherein the snap-fit connection structure comprises: and one side of the L-shaped buckle is installed on the protective cover shell (11) through a buckle hole preset on the protective cover shell (11), and the other side of the L-shaped buckle clamps the cover body (12) when the cover body (12) is closed.
3. A luminaire protection shield according to claim 1, characterized in that a sealing strip (15) is provided on the step;
the connecting piece (13) is any one of the following connecting pieces: hinge, hinge or bore-and-shaft type connections.
4. A luminaire shield according to claim 1, characterized in that the edge of the shield shell (11) extends outwards in a C-shape or an arc shape.
5. The lamp shield according to any one of claims 1 to 4, wherein a lamp mounting position (17) is arranged in the shield shell (11), and a through hole (18) and a waterproof plug matched with the through hole (18) are arranged on one side of the shield shell.
6. A luminaire shield according to any of claims 1 to 4, characterized in that a shield fixing member (16) is mounted on one side of the shield casing (11);
the shield mount (16) includes: a first fixture connector (161) and a second fixture connector (162);
the first fixing piece connecting piece (161) is L-shaped, and is connected with the protective cover shell (11) through a bolt close to one side of the protective cover shell (11);
a plurality of first angle adjusting holes (163) are distributed on the first fixing piece connecting piece (161);
the second fixing piece connecting piece (162) is arched, and two ends of the second fixing piece connecting piece are respectively connected with the bottom end of the first fixing piece connecting piece (161) through bolts; second angle adjusting holes (164) corresponding to the first angle adjusting holes (163) are formed in two ends of the second fixing piece connecting piece (162);
and a fixing bolt assembly (165) for fixing the shield shell (11) is arranged in the middle of the second fixing piece connecting piece (162).
7. A projector, comprising: the lamp protection cover (1) according to any one of claims 1 to 6 and the projector body (2) arranged inside the lamp protection cover (1); the projection lamp body (2) is electrically connected with an external cable.
8. The projector according to claim 7, characterized in that said projector body (2) comprises: a light source assembly (21) and a heat sink (22) connected to the light source assembly (21);
the light source assembly (21) comprises: a copper substrate (211) and LED lamp beads (212); the heat sink (22) comprises: a chassis (221) and a plurality of groups of heat dissipation ribs (222) connected to the chassis (221);
the copper substrate (211) and the LED lamp beads (212) are fixed in a eutectic welding mode; the heat conducting bonding pad of the copper substrate (211) is insulated and isolated from the electrode;
the copper substrate (211) is in thermal contact with the bottom plate (221), and the bottom plate (221) is detachably mounted on a lamp mounting position (17) inside the lamp protective cover (1).
9. The light projector according to claim 8, characterized in that said light source assembly (21) further comprises: refraction lamp shade (213), refraction lamp shade (213) joint is in LED lamp pearl (212) outside.
10. The floodlight according to claim 8, characterized in that the upper surface of the copper substrate (211) has a plurality of sets of soldering points, each soldering point comprising a thermally conductive end point of a thermally conductive pad and a positive and a negative terminal of an electrode located on either side of the thermally conductive pad;
the LED lamp bead (212) comprises a positive end, a negative end and a heat conducting end;
and the positive end, the negative end and the heat conduction end of the LED lamp bead (212) are respectively and correspondingly eutectic-welded and fixed with the positive wiring end, the negative wiring end and the heat conduction end point of the welding point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339067.3U CN215061487U (en) | 2021-02-05 | 2021-02-05 | Lamp protective cover of outdoor projection lamp and projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339067.3U CN215061487U (en) | 2021-02-05 | 2021-02-05 | Lamp protective cover of outdoor projection lamp and projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215061487U true CN215061487U (en) | 2021-12-07 |
Family
ID=79255634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339067.3U Active CN215061487U (en) | 2021-02-05 | 2021-02-05 | Lamp protective cover of outdoor projection lamp and projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215061487U (en) |
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2021
- 2021-02-05 CN CN202120339067.3U patent/CN215061487U/en active Active
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