CN104748045A - Reading lamp with data charging function - Google Patents
Reading lamp with data charging function Download PDFInfo
- Publication number
- CN104748045A CN104748045A CN201510145982.8A CN201510145982A CN104748045A CN 104748045 A CN104748045 A CN 104748045A CN 201510145982 A CN201510145982 A CN 201510145982A CN 104748045 A CN104748045 A CN 104748045A
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- CN
- China
- Prior art keywords
- lamp
- assembly
- reading lamp
- housing
- wire
- 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
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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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
-
- 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
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
-
- 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
-
- 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
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
-
- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0044—Household appliances, e.g. washing machines or vacuum cleaners
-
- 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
- F21V5/00—Refractors for light sources
Abstract
The invention belongs to the technical field of lighting lamps, and provides a reading lamp with a data charging function. The reading lamp comprises a power source body, a supporting arm assembly and a lighting lamp assembly; the power source body comprises a shell, a cell and a working circuit board are arranged in the shell, one side of the shell is provided with an indicator switch assembly, a USB output interface and a microUSB charging interface, and the power source body and the supporting arm assembly are connected through dovetail structures. As the reading lamp is internally provided with the cell and provided with the USB output interface and the microUSB charging interface, the reading lamp can be used as a common mobile power source; as the foldable structure is adopted in the reading lamp, when not needed for use, the reading lamp is integrally of a cubic structure and convenient to carry; as the power source body and the supporting arm assembly are connected through the dovetail structures, the supporting arm assembly can be disassembled conveniently, and the reading lamp is convenient to maintain, produce and assemble.
Description
Technical field
The invention belongs to illuminating lamp technical field, particularly relate to a kind of reading lamp with data charge function.
Background technology
The reading lamp of current student generally directly inserts 220V civil power, cannot use when having a power failure.Subsequently market there is the reading lamp of internal battery, after reading lamp is energized, can having charged a battery, when having a power failure, can power to reading lamp with battery.But current this charging reading lamp needs to arrange voltage conversion circuit and charging control circuit, make charging reading lamp cost higher; Charging reading lamp function singleness simultaneously, and be not easy to carry.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of reading lamp with data charge function, be intended to solve that existing charging reading lamp cost is higher, function singleness, be not easy to the technical problem of carrying.
The present invention adopts following technical scheme:
The reading lamp of described band data charge function, comprise power supply main body, supporting arm assembly and lamp assembly, described power supply main body comprises housing, described housing is built-in with battery core and operating circuit plate, described housing side is provided with indicator cock assembly, USB output interface and microUSB charging inlet, described housing rear end comprises two dovetail grooves, described supporting arm assembly comprises screens block, described screens block is provided with two dovetail projections matched with described dovetail groove, described supporting arm assembly also comprises two vertical rods can rotated around described screens block, in two dovetail grooves, one of them is provided with cathode contact, another is provided with cathode contact, in two dovetail projections, one of them is provided with positive pole reed, another is provided with anode reed, when the dovetail projection of described screens block inserts described dovetail groove completely, described both positive and negative polarity reed correspondence and described both positive and negative polarity contact, the free end of described lamp assembly and described vertical rod is rotationally connected, described lamp assembly comprises drive circuit board, described drive circuit board is connected to described both positive and negative polarity reed by wire, described battery core, indicator cock assembly, USB output interface and microUSB charging inlet are all connected to described operating circuit plate.
Further, described housing both sides are strip gap structure, and described vertical rod shape is mated completely with described groove, when two vertical rods are put down, described vertical rod and described strip breach are fitted completely, to make the cube structure of described power supply main body and supporting arm assembly formation rule.
Further, described lamp assembly and described two vertical rods are rotationally connected by lateral pin, the bottom of described lamp assembly is fixed block, described fixed block is hollow structure, and two ends are provided with perforate, described lateral pin comprises fixed bin body, cover the minor flaps of described fixed bin body, for being inserted to the cylinder of described perforate, described cylinder is located at described fixed bin body side, described fixed bin body and described vertical rod are hollow structure, in described fixed bin body, hollow screw is also installed, described hollow screw is for being screwed into the top of described vertical rod, fixed bin body and vertical rod are fixed as one, described wire is connected to described both positive and negative polarity reed through fixed block, fixed bin body, hollow screw, vertical rod successively from drive circuit board.
Further, described wire comprises first paragraph wire and second segment wire, wherein said first paragraph wire one end is connected to described drive circuit board, the other end is connected with small circle ring, one end of described second segment wire is connected to both positive and negative polarity reed, and the other end is connected with small circle ring equally, and described fixed bin body internal fixtion has primary nut and is provided with fixed screw, described fixed screw is tightly screwed on primary nut through after two small circle rings, and described first paragraph wire is connected with the conducting of second segment wire.
Further, described lamp assembly also comprises lamp housing, transparent panel, magnetic sheet, LED and reflector, described transparent panel covers on described lamp housing, described reflector is provided with several just to the aperture of described LED, described LED to be arranged on described drive circuit board and to be exposed at outside described reflector, described magnetic sheet is affixed on described drive circuit back, and described drive circuit board is buckled in described lamp housing; Described operating circuit plate is installed on the front end of described power supply main body, and described operating circuit plate is provided with Hall element.
Further, all light films are sprayed with in described transparent panel.
Further, described indicator cock assembly comprises substrate, described substrate is arranged with 4 indicator lamps, the hyaline cap of an inverted concave is also provided with directly over every indicator lamp, described hyaline cap comprises the lug boss being positioned at top and the edge part being positioned at described lug boss periphery, described housing is just provided with opening to the position of described hyaline cap, described lug boss is through described opening, and edge is in described housing, also trigger member is fixed with below described edge part, also spring assembly is provided with between described edge part and substrate, described trigger member is through described spring assembly, described substrate is positioned at immediately below described trigger member and is also provided with contact, each indicator lamp and contact are connected to described operating circuit plate.
The invention has the beneficial effects as follows: the reading lamp of band data charge function provided by the invention is built-in with battery core, is also provided with USB output interface and microUSB charging inlet, can be used as common portable power source is the terminal device chargings such as mobile phone; And reading lamp adopting foldable structure, during without the need to using, by supporting arm assembly and lamp assembly, can fold back original position, making reading lamp entirety for cube structure, being convenient for carrying; 3rd, power supply main body and supporting arm assembly adopt dovetail configuration to be connected, and can pull down supporting arm assembly easily, easy access and production assembling, if without the need to illumination functions, supporting arm assembly and lamp assembly entirety can also be pulled down, power supply body is used as common portable power source.
Accompanying drawing explanation
Fig. 1 is the structure chart of the reading lamp of the band data charge function that the embodiment of the present invention provides;
Fig. 2 is the connection diagram of first paragraph wire and second segment wire;
Fig. 3 is the structure chart of lamp assembly;
Fig. 4 is the structure chart of instruction switch module.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In order to technical solutions according to the invention are described, be described below by specific embodiment.
Fig. 1 shows the structure of the reading lamp of the band data charge function that the embodiment of the present invention provides, and illustrate only the part relevant to the embodiment of the present invention for convenience of explanation.
The reading lamp of the band data charge function that the present embodiment provides comprises power supply main body 1, supporting arm assembly 2 and lamp assembly 3, described power supply main body 1 comprises housing 11, described housing is built-in with battery core (not shown) and operating circuit plate (not shown), described housing side is provided with indicator cock assembly 12, USB output interface 13 and microUSB charging inlet 14, described housing rear end comprises two dovetail grooves 15, described supporting arm assembly 2 comprises screens block 21, described screens block is provided with two dovetail projections 22 matched with described dovetail groove, described supporting arm assembly also comprises two vertical rods 23 can rotated around described screens block, in two dovetail grooves, one of them is provided with cathode contact 24, another is provided with cathode contact 25, in two dovetail projections, one of them is provided with positive pole reed 26, another is provided with anode reed 27, when the dovetail projection of described screens block inserts described dovetail groove completely, described both positive and negative polarity reed correspondence and described both positive and negative polarity contact, described lamp assembly 3 is rotationally connected with the free end of described vertical rod 23, described lamp assembly comprises drive circuit board (not shown), described drive circuit board is connected to described both positive and negative polarity reed by wire 4, described battery core, indicator cock assembly, USB output interface and microUSB charging inlet are all connected to described operating circuit plate.Preferably, described housing 11 both sides are strip gap structure, and described vertical rod 23 shape is mated completely with described groove, when two vertical rods are put down, described vertical rod and described strip breach are fitted completely, to make the cube structure of described power supply main body and supporting arm assembly formation rule.
In the present embodiment: the first, this reading lamp is built-in with battery core, is also provided with USB output interface and microUSB charging inlet, and can be used as common portable power source is the terminal device chargings such as mobile phone; Second, described power supply main body is connected with adopting dovetail mode between supporting arm assembly, contact surface arranges both positive and negative polarity contact, both positive and negative polarity reed simultaneously, after the dovetail projection of supporting arm assembly is inserted into the dovetail groove of power supply main body, cathode contact and the conducting of positive pole switch jaw contact, cathode contact contacts conducting with anode reed, adopt this structure, can install easily and take off supporting arm assembly, when without the need to illumination functions, after taking off supporting arm assembly and lamp assembly, remaining power supply main body can be used as common portable power source; And after supporting arm assembly or lamp assembly damage, directly change, avoid that reading lamp is whole to be scrapped, but also convenient maintenance and producing is assembled.3rd, reading lamp adopts foldable structure, during without the need to using, by supporting arm assembly and lamp assembly, can fold back original position, makes reading lamp entirety for cube structure, is convenient for carrying.
As a kind of concrete annexation of lamp assembly and supporting arm assembly, described lamp assembly 3 is rotationally connected by lateral pin with described two vertical rods 23, the bottom of described lamp assembly 3 is fixed block 31, described fixed block 31 is hollow structure, and two ends are provided with perforate, described lateral pin comprises fixed bin body 32, cover the minor flaps 33 of described fixed bin body, for being inserted to the cylinder 34 of described perforate, described cylinder 34 is located at described fixed bin body 32 side, described fixed bin body 32 and described vertical rod 23 are hollow structure, in described fixed bin body 32, hollow screw 35 is also installed, described hollow screw is for being screwed into the top of described vertical rod, fixed bin body and vertical rod are fixed as one, described wire 4 is connected to described both positive and negative polarity reed through fixed block 31, fixed bin body 32, hollow screw 35, vertical rod 23 successively from drive circuit board.
Preferred further, conveniently maintenance and production and assembly, as shown in Figure 2, described wire 4 comprises first paragraph wire 41 and second segment wire 42, wherein said first paragraph wire 41 one end is connected to described drive circuit board, the other end is connected with small circle ring, one end of described second segment wire 42 is connected to both positive and negative polarity reed, the other end is connected with small circle ring equally, described fixed bin body internal fixtion has primary nut 43 and is provided with fixed screw 44, described fixed screw 44, through on primary nut 43 after two small circle rings, makes described first paragraph wire be connected with the conducting of second segment wire.In this preferred embodiment, when generating assembling, first paragraph wire 41 is entered fixed bin body 32 through fixed block 31, cylinder 34 successively, second segment wire 42 is entered fixed bin body 32 through vertical rod 23 hollow screw 35 successively, then fixed screw 44 is tightly screwed on primary nut 43 through after two small circle rings, then the cylinder 34 of fixed bin body is worn as the perforate on fixed block 31, then by the vertical rod of hollow screw tightening, such vertical rod, fixed bin body, lamp assembly are fixed as one, and finally cover described minor flaps.Whole assembling process is simple, improves production efficiency and cost.
As a kind of concrete structure of described lamp assembly, as shown in Figure 3, described lamp assembly 3 comprises drive circuit board 90, lamp housing 91, transparent panel 92, magnetic sheet 93, LED 94 and reflector 95, described transparent panel lid 92 is on described lamp housing 91, described reflector 95 is provided with several just to the aperture of described LED, described LED 94 to be arranged on described drive circuit board 90 and to be exposed at outside described reflector 95, described magnetic sheet 93 is affixed on described drive circuit board 90 back side, and described drive circuit board 90 is buckled in described lamp housing; Described operating circuit plate is installed on the front end of described power supply main body, and described operating circuit plate is provided with Hall element.Further, all light films are sprayed with in described transparent panel 92.In this preferred embodiment, magnetic sheet 93 is set in lamp housing, operating circuit plate in power supply main body arranges Hall element, and described magnetic sheet can play thermolysis on the one hand, on the other hand, described magnetic sheet has magnetic, produce magnetic field, when lamp assembly does not open, described magnetic sheet is nearer apart from described Hall element, now Hall element can perceive stronger magnetic field, and operating circuit plate controls LED and extinguishes.After user opens lamp assembly, Hall element perception less than magnetic field or the magnetic field that perceives very weak, now export signal of turning on light, operating circuit plate controls LED and automatically lights.After user closes lamp assembly again, in like manner Hall element exports and closes modulating signal, and LED is closed, and achieves lamp with auto-switch function, easy to use.
In addition, as preferred structure, described indicator cock assembly 12 comprises substrate 121, described substrate is arranged with 4 indicator lamps 122, the hyaline cap 123 of an inverted concave is also provided with directly over every indicator lamp, described hyaline cap 123 comprises the lug boss 81 being positioned at top and the edge part 82 being positioned at described lug boss periphery, described housing 11 is just provided with opening to the position of described hyaline cap, described lug boss is through described opening, and edge is in described housing, trigger member 124 is also fixed with below described edge part, spring assembly 125 is also provided with between described edge part and substrate, described trigger member is through described spring assembly, described substrate is positioned at immediately below described trigger member and is also provided with contact 126, each indicator lamp and contact are connected to described operating circuit plate.
In this preferred embodiment, selection key and electricity display are integrated, described 4 indicator lamps can be used for showing dump energy, 4 complete brightly shows that electricity is greater than 75%, three indicator lamp amounts, shows that electricity is between 50%-75%, two indicator lamps are bright, show that electricity is between 25%-50%, an indicator lamp is bright, shows that electricity is less than 25%.In the present embodiment, user can by selecting to trigger one of them hyaline cap, after trigger member below this hyaline cap touches contact, export one select signal to operating circuit plate, operating circuit buttress is according to the corresponding quantity selecting the LED in signal control lamp assembly to light.In the present embodiment, LED always have 30, by triggering 4 hyaline caps, can select to light 10,20,25 or 30.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the reading lamp with data charge function, it is characterized in that, described reading lamp comprises power supply main body, supporting arm assembly and lamp assembly, described power supply main body comprises housing, described housing is built-in with battery core and operating circuit plate, described housing side is provided with indicator cock assembly, USB output interface and microUSB charging inlet, described housing rear end comprises two dovetail grooves, described supporting arm assembly comprises screens block, described screens block is provided with two dovetail projections matched with described dovetail groove, described supporting arm assembly also comprises two vertical rods can rotated around described screens block, in two dovetail grooves, one of them is provided with cathode contact, another is provided with cathode contact, in two dovetail projections, one of them is provided with positive pole reed, another is provided with anode reed, when the dovetail projection of described screens block inserts described dovetail groove completely, described both positive and negative polarity reed correspondence and described both positive and negative polarity contact, the free end of described lamp assembly and described vertical rod is rotationally connected, described lamp assembly comprises drive circuit board, LED and reflector, described drive circuit board is connected to described both positive and negative polarity reed by wire, described battery core, indicator cock assembly, USB output interface and microUSB charging inlet are all connected to described operating circuit plate.
2. be with the reading lamp of data charge function as claimed in claim 1, it is characterized in that, described housing both sides are strip gap structure, described vertical rod shape is mated completely with described groove, when two vertical rods are put down, described vertical rod and described strip breach are fitted completely, to make the cube structure of described power supply main body and supporting arm assembly formation rule.
3. be with the reading lamp of data charge function as claimed in claim 2, it is characterized in that, described lamp assembly and described two vertical rods are rotationally connected by lateral pin, the bottom of described lamp assembly is fixed block, described fixed block is hollow structure, and two ends are provided with perforate, described lateral pin comprises fixed bin body, cover the minor flaps of described fixed bin body, for being inserted to the cylinder of described perforate, described cylinder is located at described fixed bin body side, described fixed bin body and described vertical rod are hollow structure, in described fixed bin body, hollow screw is also installed, described hollow screw is for being screwed into the top of described vertical rod, fixed bin body and vertical rod are fixed as one, described wire is connected to described both positive and negative polarity reed through fixed block, fixed bin body, hollow screw, vertical rod successively from drive circuit board.
4. be with the reading lamp of data charge function as claimed in claim 3, it is characterized in that, described wire comprises first paragraph wire and second segment wire, wherein said first paragraph wire one end is connected to described drive circuit board, the other end is connected with small circle ring, one end of described second segment wire is connected to both positive and negative polarity reed, the other end is connected with small circle ring equally, described fixed bin body internal fixtion has primary nut and is provided with fixed screw, described fixed screw is tightly screwed on primary nut through after two small circle rings, and described first paragraph wire is connected with the conducting of second segment wire.
5. be with the reading lamp of data charge function as claimed in claim 4, it is characterized in that, described lamp assembly also comprises lamp housing, transparent panel, magnetic sheet, LED and reflector, described transparent panel covers on described lamp housing, described reflector is provided with several just to the aperture of described LED, described LED to be arranged on described drive circuit board and to be exposed at outside described reflector, and described magnetic sheet is affixed on described drive circuit back, and described drive circuit board is buckled in described lamp housing; Described operating circuit plate is installed on the front end of described power supply main body, and described operating circuit plate is provided with Hall element.
6. be with the reading lamp of data charge function as claimed in claim 5, it is characterized in that, in described transparent panel, be sprayed with all light films.
7. the reading lamp with data charge function as described in any one of claim 1-6, it is characterized in that, described indicator cock assembly comprises substrate, described substrate is arranged with 4 indicator lamps, the hyaline cap of an inverted concave is also provided with directly over every indicator lamp, described hyaline cap comprises the lug boss being positioned at top and the edge part being positioned at described lug boss periphery, described housing is just provided with opening to the position of described hyaline cap, described lug boss is through described opening, and edge is in described housing, also trigger member is fixed with below described edge part, also spring assembly is provided with between described edge part and substrate, described trigger member is through described spring assembly, described substrate is positioned at immediately below described trigger member and is also provided with contact, each indicator lamp and contact are connected to described operating circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145982.8A CN104748045A (en) | 2015-03-31 | 2015-03-31 | Reading lamp with data charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145982.8A CN104748045A (en) | 2015-03-31 | 2015-03-31 | Reading lamp with data charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104748045A true CN104748045A (en) | 2015-07-01 |
Family
ID=53588133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510145982.8A Pending CN104748045A (en) | 2015-03-31 | 2015-03-31 | Reading lamp with data charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104748045A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114826A (en) * | 2015-07-28 | 2015-12-02 | 湖南城市学院 | Head-mounted LED reading lamp |
| CN110207057A (en) * | 2019-06-28 | 2019-09-06 | 惠州鼎智科技有限公司 | Household portable outer lamp |
| CN113063108A (en) * | 2019-12-30 | 2021-07-02 | 南京德朔实业有限公司 | Double-lamp-holder lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113063108A (en) * | 2019-12-30 | 2021-07-02 | 南京德朔实业有限公司 | Double-lamp-holder lamp |
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