CN114935118A - Intelligent LED lamp string - Google Patents
Intelligent LED lamp string Download PDFInfo
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- CN114935118A CN114935118A CN202210528044.6A CN202210528044A CN114935118A CN 114935118 A CN114935118 A CN 114935118A CN 202210528044 A CN202210528044 A CN 202210528044A CN 114935118 A CN114935118 A CN 114935118A
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- led lamp
- string
- signal
- welding area
- lead
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
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- 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
- F21V19/00—Fastening of light sources or lamp holders
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- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
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- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- 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]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention belongs to the technical field of decorative lamp strings, and particularly relates to an intelligent LED lamp string which comprises a lamp string main body, wherein the lamp string main body comprises a plurality of LED lamp groups, each LED lamp group comprises one or more than one LED lamp, a signal wire, a positive wire and a negative wire, each LED lamp is provided with a negative welding area, a positive welding area and a signal welding area, the plurality of LED lamp groups are sequentially connected, and the positive wire of the previous LED lamp group is connected with the negative wire of the next LED lamp group. The LED lamp is ingenious in design, the cathode welding area, the anode welding area and the signal welding area of each LED lamp in each LED lamp group are respectively connected with the cathode lead, the anode lead and the signal lead in a one-to-one correspondence mode, the anode lead of the previous LED lamp group is connected with the cathode lead of the next LED lamp group, and the LED lamp groups are connected in series.
Description
Technical Field
The invention belongs to the technical field of lamp strings, and particularly relates to an intelligent LED lamp string.
Background
With the progress of the light-emitting semiconductor technology, the application of the LED lamp in the field of light decoration is more and more common, compared with the traditional incandescent lamp, the LED lamp has the advantages of low energy consumption and long service life, and the intelligent LED can combine colorful light through the light-emitting chips with various colors, so that the intelligent LED lamp is favored by consumers in the field of light decoration.
Adopt 3 line full parallel connection winding displacement of low voltage on the market at present, the electric wire is shelled in, adopt paster LED lamp pearl to connect in parallel to weld on the wire, voltage receives the withstand voltage restriction of LED oneself, and power supply can only accomplish 5V, but along with parallelly connected lamp cluster length increase, the pressure drop problem of voltage also can be more obvious, like the lamp cluster of 5m length, front and back LED lamp luminance is uneven, the colour is inconsistent, the voltage value of first LED lamp is obviously higher than the voltage value of last LED lamp.
Disclosure of Invention
The invention provides an intelligent LED lamp string aiming at the problems in the prior art, which can solve the problem of voltage drop, the brightness of front and rear LED lamps is consistent, the sectional area of a copper wire is reduced, and the cost is saved; and the processing is convenient.
In order to solve the technical problems, the invention adopts the following technical scheme:
an intelligent LED lamp string comprises a lamp string main body, wherein the lamp string main body comprises a plurality of LED lamp groups, each LED lamp group comprises one or more LED lamps, a signal wire, a positive wire and a negative wire, each LED lamp is provided with a negative electrode welding area, a positive electrode welding area and a signal welding area, and the negative electrode welding area, the positive electrode welding area and the signal welding area in each LED lamp group are respectively connected with the negative electrode wire, the positive wire and the signal wire in a one-to-one correspondence manner;
the LED lamp groups are sequentially connected, the positive electrode lead of the previous LED lamp group is connected with the negative electrode lead of the next LED lamp group, and the signal lead of the previous LED lamp group is connected with the signal lead of the next LED lamp group.
And a bridging conductor is arranged between every two adjacent LED lamp groups, and the positive lead of the previous LED lamp group is connected with the negative lead of the next LED lamp group through the bridging conductor.
The signal welding area comprises a signal input welding area and a signal output welding area, and a cutting point is arranged between the signal input welding area and the signal output welding area of each LED lamp.
The LED lamp string comprises a lamp string main body and is characterized in that the lamp string main body comprises a lamp string connector, signal wires of LED lamp groups located at two ends are connected with the lamp string connector, a positive wire of the LED lamp group located at one end is connected with the lamp string connector, and a negative wire of the LED lamp group located at the other end is connected with the lamp string connector.
The intelligent LED lamp string comprises a connection main circuit and a plurality of main line connectors, the lamp string main body is provided with a plurality of LED lamp sets, the LED lamp sets are distributed in an annular mode, the main line connectors are connected with the lamp string main body in a one-to-one mode, a main line positive line, a main line negative line and a main line signal line are arranged on the connection main circuit, the main line positive line, the main line negative line and the main line signal line are all connected with the main line connectors, and the main line connectors are connected with the lamp string connectors in a one-to-one mode.
The LED lamp string connector comprises a lamp string connector and is characterized in that a first signal output end and a first signal input end are arranged on the lamp string connector, the first signal output end is connected with a signal wire of an LED lamp group at one end, the first signal input end is connected with a signal wire of the LED lamp group at the other end, a plurality of second signal output ends and a plurality of second signal input ends are arranged on a main circuit signal wire, the second signal output ends are connected with the first signal output ends, and the first signal input ends are connected with the second signal input ends.
The LED lamp set comprises a first LED lamp set and a second LED lamp set, the LED lamps comprise a first LED lamp and a second LED lamp, the first LED lamp set comprises a first LED lamp, the second LED lamp set comprises a second LED lamp, the positive electrode welding area and the negative electrode welding area of the first LED lamp are opposite to the positive electrode welding area and the negative electrode welding area of the second LED lamp in arrangement position, and the first LED lamp set and the second LED lamp set are alternately connected in series.
The lamp string main body comprises a lamp string connector, a positive lead positioned at one end of the lamp string main body is connected with the lamp string connector, and a negative lead positioned at the other end of the lamp string main body is connected with the lamp string connector.
And the negative electrode lead of the previous LED lamp group is disconnected with the positive electrode lead of the next LED lamp group.
The invention has the beneficial effects that: the LED lamp string is novel in structure and ingenious in design, the cathode welding area, the anode welding area and the signal welding area of each LED lamp in each LED lamp group are respectively connected with the cathode lead, the anode lead and the signal lead in a one-to-one correspondence mode, the anode lead of the previous LED lamp group is connected with the cathode lead of the next LED lamp group, and the LED lamp groups are connected in series.
Under the same power, the cross section area of the copper wire required by the intelligent LED lamp string only needs to be a fraction of that of the copper wire required by the intelligent LED lamp string in a full parallel connection mode, and therefore cost is saved. For example: rated power is 5W, full parallel voltage is 5V, current is 1A, and the sectional area of a copper wire needs 1 square millimeter; by adopting the series-parallel structure, the rated power is 5W, the voltage is 25V, the current is 0.2A, the sectional area of a copper wire only needs 0.2 square millimeter, and the cost is greatly saved.
Drawings
Fig. 1 is a schematic structural diagram of a first example of the present invention.
FIG. 2 is a schematic view of the first embodiment of the present invention with the string connector removed.
Fig. 3 is a schematic structural diagram of a second example of the present invention.
Fig. 4 is a schematic structural diagram of a third example of the present invention.
Fig. 5 is a front view of a first LED lamp of the present invention.
Fig. 6 is a rear view of a first LED lamp of the present invention.
Fig. 7 is a front view of a second LED lamp of the present invention.
Fig. 8 is a rear view of a second LED lamp of the present invention.
Fig. 9 is a schematic structural diagram of a fourth example of the present invention.
Fig. 10 is a schematic structural view of a fifth example of the present invention.
The reference numerals are respectively: 1. the LED lamp comprises a lamp string main body, 2, an LED lamp group, 3, an LED lamp, 4, a signal lead, 5, an anode lead, 6, a cathode lead, 7, a cathode welding area, 8, an anode welding area, 9, a signal welding area, 10 and a main connection path;
21. a first LED lamp group 22 and a second LED lamp group;
31. a first LED lamp 32, a second LED lamp;
201. a bridge conductor 202, a light string connector 203, a first signal output end 204 and a first signal input end;
901. a signal input welding area 902, a signal output welding area 903 and a cut-off point;
1001. main line connector 1002, main line positive line 1003, main line negative line 1004, main line signal line 1005, second signal output terminal 1006 and second signal input terminal.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
First example of the invention:
an intelligent LED lamp string is shown in FIGS. 1-2 and comprises a lamp string main body 1, wherein the lamp string main body 1 comprises a plurality of LED lamp sets 2, each LED lamp set 2 comprises one or more LED lamps 3, a signal lead 4, an anode lead 5 and a cathode lead 6, each LED lamp 3 is provided with a cathode welding area 7, an anode welding area 8 and a signal welding area 9, the cathode welding area 7, the anode welding area 8 and the signal welding area 9 in each LED lamp set 2 are respectively connected with the cathode lead 6, the anode lead 5 and the signal lead 4 in a one-to-one correspondence manner, and the signal welding area 9 comprises a signal input welding area 901 and a signal output welding area 902;
the LED lamp sets 2 are connected in sequence, the positive electrode lead 5 of the previous LED lamp set 2 is connected with the negative electrode lead 6 of the next LED lamp set 2, and the signal lead 4 of the previous LED lamp set 2 is connected with the signal lead 4 of the next LED lamp set 2.
The connection mode of the plurality of LED lamp sets 2 is also: the positive wire of the first LED lamp group 2 is connected with the negative wire of the second LED lamp group 2, and the positive wire of the second LED lamp group 2 is connected with the negative wire of the third LED lamp group 2, so that a power supply series connection structure is formed in sequence.
Specifically, the cathode welding area 7, the anode welding area 8 and the signal welding area 9 of each LED lamp 3 in each LED lamp group 2 are respectively connected with the cathode lead 6, the anode lead 5 and the signal lead 4 in a one-to-one correspondence manner, and the anode lead 5 of the previous LED lamp group 2 is connected with the cathode lead 6 of the next LED lamp group 2, so that the LED lamp groups 2 are connected in series.
Further, the light string main body 1 contains one or more LED light sets 2 with a plurality of LED lights 3.
In the intelligent LED light string described in this example, a cut-off point 903 is disposed between the signal input welding area 901 and the signal output welding area 902 of each LED lamp 3. Specifically, by providing a cut-off point 903 between the signal input pad 901 and the signal output pad 902 of each LED lamp 3, signal transmission of the respective LED lamps 3 is connected in series.
In the intelligent LED light string, the negative electrode lead 6 of the previous LED light group is disconnected from the positive electrode lead 9 of the next LED light group.
In the intelligent LED lamp string in this embodiment, a bridging conductor 201 is disposed between every two adjacent LED lamp sets 2, and the positive lead 5 of the previous LED lamp set 2 is connected to the negative lead 6 of the next LED lamp set 2 through the bridging conductor 201. Specifically, during processing, the cathode welding area 7, the anode welding area 8 and the signal welding area 9 of all the LED lamps 3 are respectively communicated through one wire, the anode wire 5 and the cathode wire 6 are cut between the two LED lamp sets 2, and the anode wire 5 of the previous LED lamp set 2 is connected with the cathode wire 6 of the next LED lamp set 2 through the bridging conductor 201.
In the intelligent LED lamp string, the lamp string main body includes a lamp string connector 202, the signal wires 4 of the LED lamp sets 2 at two ends are connected to the lamp string connector 202, the positive wire 5 of the LED lamp set 2 at one end is connected to the lamp string connector 202, and the negative wire 6 of the LED lamp set 2 at the other end is connected to the lamp string connector 202. Specifically, the arrangement facilitates connection of the light string to the outside.
Second example of the invention:
as shown in fig. 3, this example differs from the first example in that: the intelligent LED lamp string comprises a connection main circuit 10 and a plurality of main line connectors 1001, wherein the lamp string main body 1 is provided with a plurality of LED lamp sets 2 which are distributed annularly, the main line connectors 1001 are connected with the lamp string main body 1 one by one, a main circuit positive line 1002, a main circuit negative line 1003 and a main circuit signal line 1004 are arranged on the connection main circuit 10, the main circuit positive line 1002, the main circuit negative line 1003 and the main circuit signal line 1004 are all connected with the main line connectors 1001, and the main line connectors are connected with the lamp string connectors 202 one by one. Specifically, in order to reduce the voltage drop problem on main connection circuit 10 during use, the distance between main line connectors 1001 and main connection circuit 10 should not be too large, and the above arrangement satisfies that a plurality of light string main bodies 1 work simultaneously, and the brightness of LED lamps 3 can be kept consistent, and at the same time, when not too many light strings work, light string connectors 202 can be pulled out from main line connectors 1001.
In the intelligent LED light string, the light string connectors 202 are each provided with a first signal output end 203 and a first signal input end 204, the first signal output end 203 is connected to the signal conductor 4 of the LED light group 2 at one end, the first signal input end 204 is connected to the signal conductor 4 of the LED light group 2 at the other end, the main circuit signal line 1004 is provided with a plurality of second signal output ends 1005 and a plurality of second signal input ends 1006, the second signal output ends 1005 are connected to the first signal output end 203, and the first signal input ends 204 are connected to the second signal input ends 1006. Specifically, the arrangement is such that the signal transmission of the LED lamps 3 of each string of lights is realized by series connection. Because the transmission distance of signals between the LED lamps 3 cannot be too long, and the LED lamp groups 2 are distributed in a ring shape, the signals of the LED lamps 3 in each lamp string can return to the main line connector 1001 after transmission is finished, and in order to reduce the problem of signal transmission on the main connection path 10 during use, the distance between the main line connector 1001 and the main connection path 10 should not be too large.
Third example of the invention:
as shown in fig. 4 to 8, this example differs from the first example in that: in the intelligent LED light string of this embodiment, the LED lamp set 2 includes a first LED lamp set 21 and a second LED lamp set 22, the LED lamp 3 includes a first LED lamp 31 and a second LED lamp 32, the first LED lamp set 21 includes the first LED lamp 31, the second LED lamp set 22 includes the second LED lamp 32, the positive electrode pad 8 and the negative electrode pad 7 of the first LED lamp 31 are disposed at opposite positions to the positive electrode pad 8 and the negative electrode pad 7 of the second LED lamp 32, and the first LED lamp set 21 and the second LED lamp set 22 are alternately connected in series. Specifically, the arrangement is such that the cathode welding area 7, the anode welding area 8 and the signal welding area 9 of the first LED lamp 31 and the second LED lamp 32 can be connected by one wire, and only when the first LED lamp group 21 and the second LED lamp group 22 are connected, the wire on the cathode welding area 7 of the first LED lamp group 21 to the anode welding area 8 of the second LED lamp group 22 needs to be cut off.
Specifically, the LED lamp groups 2 are alternately connected in series, that is, when the first LED lamp group 2 is the first LED lamp group 21, the second LED lamp group 2 is the second LED lamp group 22, the third LED lamp group 2 is the first LED lamp group 21, and the first LED lamp group 21 and the second LED lamp group 22 are alternately connected in series.
Fourth example of the invention:
as shown in fig. 9, this example differs from the second example in that: in the intelligent LED light string of this embodiment, the LED lamp set 2 includes a first LED lamp set 21 and a second LED lamp set 22, the LED lamp 3 includes a first LED lamp 31 and a second LED lamp 32, the first LED lamp set 21 includes the first LED lamp 31, the second LED lamp set 22 includes the second LED lamp 32, the positive electrode pad 8 and the negative electrode pad 7 of the first LED lamp 31 are disposed at opposite positions to the positive electrode pad 8 and the negative electrode pad 7 of the second LED lamp 32, and the first LED lamp set 21 and the second LED lamp set 22 are alternately connected in series. Specifically, the LED lamp groups 2 are alternately connected in series, that is, when the first LED lamp group 2 is the first LED lamp group 21, the second LED lamp group 2 is the second LED lamp group 22, the third LED lamp group 2 is the first LED lamp group 21, and the first LED lamp group 21 and the second LED lamp group 22 are alternately connected in series.
Fifth embodiment of the present invention:
as shown in fig. 10, this example differs from the third example in that: the lamp string main body comprises a lamp string connector 202, a positive lead 5 positioned at one end of the lamp string main body 1 is connected with the lamp string connector 202, and a negative lead 6 positioned at the other end of the lamp string main body is connected with the lamp string connector 202. Specifically, the string light body 1 is in a linear structure.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An intelligent LED lamp string is characterized in that: the LED lamp string comprises a lamp string main body, wherein the lamp string main body comprises a plurality of LED lamp groups, each LED lamp group comprises one or more LED lamps, a signal lead, a positive lead and a negative lead, each LED lamp is provided with a negative electrode welding area, a positive electrode welding area and a signal welding area, and the negative electrode welding area, the positive electrode welding area and the signal welding area in each LED lamp group are respectively connected with the negative lead, the positive lead and the signal lead in a one-to-one correspondence manner;
the LED lamp groups are sequentially connected, the positive electrode lead of the previous LED lamp group is connected with the negative electrode lead of the next LED lamp group, and the signal lead of the previous LED lamp group is connected with the signal lead of the next LED lamp group.
2. The intelligent LED light string of claim 1, wherein: and a bridging conductor is arranged between every two adjacent LED lamp groups, and the positive lead of the previous LED lamp group is connected with the negative lead of the next LED lamp group through the bridging conductor.
3. The intelligent LED light string of claim 1, wherein: the signal welding area comprises a signal input welding area and a signal output welding area, and a cutting point is arranged between the signal input welding area and the signal output welding area of each LED lamp.
4. The intelligent LED light string of claim 1, wherein: the LED lamp string comprises a lamp string main body and is characterized in that the lamp string main body comprises a lamp string connector, signal wires of LED lamp groups positioned at two ends are connected with the lamp string connector, a positive wire of the LED lamp group positioned at one end is connected with the lamp string connector, and a negative wire of the LED lamp group positioned at the other end is connected with the lamp string connector.
5. The intelligent LED light string of claim 4, wherein: the intelligent LED lamp string comprises a connection main circuit and a plurality of main line connectors, the lamp string main body is provided with a plurality of LED lamp sets, the LED lamp sets are distributed in an annular mode, the main line connectors are connected with the lamp string main body in a one-to-one mode, a main circuit positive line, a main circuit negative line and a main circuit signal line are arranged on the connection main circuit, the main circuit positive line, the main circuit negative line and the main circuit signal line are all connected with the main line connectors, and the main line connectors are connected with the lamp string connectors in the one-to-one mode.
6. The intelligent LED light string of claim 5, wherein: the LED lamp string connector is characterized in that a first signal output end and a first signal input end are arranged on the lamp string connector, the first signal output end is connected with a signal conducting wire of the LED lamp group at one end, the first signal input end is connected with a signal conducting wire of the LED lamp group at the other end, a plurality of second signal output ends and a plurality of second signal input ends are arranged on the main circuit signal wire, the second signal output ends are connected with the first signal output ends, and the first signal input ends are connected with the second signal input ends.
7. The intelligent LED light string of claim 1, wherein: the LED lamp set comprises a first LED lamp set and a second LED lamp set, the LED lamps comprise a first LED lamp and a second LED lamp, the first LED lamp set comprises a first LED lamp, the second LED lamp set comprises a second LED lamp, the positive electrode welding area and the negative electrode welding area of the first LED lamp are opposite to the positive electrode welding area and the negative electrode welding area of the second LED lamp in arrangement position, and the first LED lamp set and the second LED lamp set are alternately connected in series.
8. The intelligent LED light string of claim 7, wherein: the lamp string main body comprises a lamp string connector, a positive wire positioned at one end of the lamp string main body is connected with the lamp string connector, and a negative wire positioned at the other end of the lamp string main body is connected with the lamp string connector.
9. The intelligent LED light string of claim 1, wherein: the negative electrode lead of the previous LED lamp group is disconnected with the positive electrode lead of the next LED lamp group.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210528044.6A CN114935118B (en) | 2022-05-16 | 2022-05-16 | Intelligent LED lamp string |
| PCT/CN2022/093537 WO2023220964A1 (en) | 2022-05-16 | 2022-05-18 | Intelligent led light string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210528044.6A CN114935118B (en) | 2022-05-16 | 2022-05-16 | Intelligent LED lamp string |
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| CN114935118A true CN114935118A (en) | 2022-08-23 |
| CN114935118B CN114935118B (en) | 2023-06-20 |
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| CN215722669U (en) * | 2021-05-14 | 2022-02-01 | 亿思特（赣州）灯饰产业发展有限公司 | High-voltage point-control cascade LED lamp string and curtain structure |
| CN216113503U (en) * | 2021-11-05 | 2022-03-22 | 惠州市恒士科技有限公司 | Three-wire lamp string with breakpoint LED lamp beads |
| CN114352960A (en) * | 2022-02-21 | 2022-04-15 | 深圳市佳择电子科技有限公司 | Intelligent point-control colorful curtain lamp |
| CN217153899U (en) * | 2022-05-16 | 2022-08-09 | 何季岭 | Intelligent LED lamp string |
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