CN108844010A - Dining room lamp - Google Patents
Dining room lamp Download PDFInfo
- Publication number
- CN108844010A CN108844010A CN201810383063.8A CN201810383063A CN108844010A CN 108844010 A CN108844010 A CN 108844010A CN 201810383063 A CN201810383063 A CN 201810383063A CN 108844010 A CN108844010 A CN 108844010A
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- China
- Prior art keywords
- mounting
- lamp
- several
- dining room
- lamp panel
- Prior art date
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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
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
- F21S8/063—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a rigid pendant, i.e. a pipe or rod
-
- 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
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- 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
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
- F21V21/104—Pendants
-
- 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
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of dining room lamp, which includes：Lamp panel, mounting post, mounting cap, several springs, several mounting shells, several wire barrels and several LED lamps；Lamp panel is flattened cylinder structure, and lamp panel lateral wall is provided with several connection positions, and the central region of lamp panel is provided with inserting column, and inserting column offers inserting groove；Mounting post, which plugs, to be installed in inserting groove；Mounting cap is set to the end of mounting post, for being fixedly connected with external ceiling；One end of each spring is connect with a connection position, and the other end is connect with a mounting shell；One end of each wire barrel is connect with a connection position, and the other end is connect with a mounting shell, and each wire barrel correspondence wears and is contained in a spring；Wire barrel is used to access power supply line from lamp panel to LED lamp；Each LED lamp is correspondingly arranged on a mounting shell.Above-mentioned dining room lamp, greatly improves service life, saves use cost, be more energy-saving and environmentally friendly.
Description
Technical field
The present invention relates to field of illumination lamp technology, more particularly to a kind of dining room lamp.
Background technique
Dining room lamp refers to the illuminator for places such as commercial dining room, household dining rooms.Traditional dining room lamp is substantially
Using energy-saving lamp effect light source carry out using.Energy-saving lamp is really compared to incandescent streetlamp energy-saving, but energy-saving lamp is in use,
Often damaged because frequently switching, it is electric if frequent switch energy-saving lamp because energy-saving lamp is by wire electrode conductive luminous
For polar filament per bright primary, diameter is exactly slightly to reduce, it may also be said to and it is the reduction first use service life, it will when to a certain extent
It is blown and does not work.And as voltage instability also results in energy-saving lamp damage, the circuit of sound equipment energy-saving lamp does not use " wide electricity
Pressure " technology, so will be damaged to energy-saving lamp circuit, long-time service will if voltage is below or above certain voltage
Cause to damage.And the energy-saving lamp after damaging will be replaced, and use cost is increased.Therefore, dining room lamp how is redesigned
It is particularly important.
Summary of the invention
Based on this, it is necessary to for how improving service life, saving the technical issues of use cost, provide a kind of dining room
Lamp.
A kind of dining room lamp includes：Lamp panel, mounting post, mounting cap, several springs, several mounting shells, several wire barrels and
Several LED lamps；The lamp panel is flattened cylinder structure, and the lamp panel lateral wall is provided with several connection positions, the lamp panel
Central region be provided with inserting column, the inserting column offers inserting groove；The mounting post, which plugs, is installed on the inserting groove
In；The mounting cap is set to the end of the mounting post, for being fixedly connected with external ceiling；The one of each spring
End is connect with a connection position, and the other end is connect with a mounting shell；One end of each wire barrel and a company
Position connection is connect, the other end is connect with a mounting shell, and each wire barrel correspondence wears and is contained in a spring
It is interior；The wire barrel is used to access power supply line from the lamp panel to the LED lamp；Each LED lamp is correspondingly arranged at
On one mounting shell.
The inserting groove is circular groove in one of the embodiments,.
The mounting post is cylindrical structure in one of the embodiments, and the outer diameter of the mounting post is equal to described insert
The outer diameter of access slot.
The mounting cap offers several mounting holes in one of the embodiments, and several mounting holes are for wearing
Screw explode so that the mounting cap to be mounted on external ceiling.
The inserting column is arranged in the central region integral type of the lamp panel in one of the embodiments,.
The mounting shell is rectangular parallelepiped structure in one of the embodiments,.
The mounting shell is hollow in one of the embodiments, is formed with inner cavity, and the mounting shell offers described in connection
The installing port of inner cavity, the LED lamp are connect after being inserted in the installing port with the mounting shell.
The LED lamp is partially housed in the inner cavity in one of the embodiments,.
The LED lamp is detachably connected with the mounting shell in one of the embodiments,.
The lamp panel has hollow cavity in one of the embodiments, and the connection position offers the connection hollow cavity
Passing channel, the wire barrel is respectively communicated with the passing channel and the inner cavity.
Above-mentioned dining room lamp, can shape by lamp panel, several springs, several mounting shells, several wire barrels and several LED lamps
At the lamps and lanterns of radial configuration, and by replacing traditional energy-saving lamp using LED light, service life is greatly improved, is saved
Use cost, and with the development of LED technology, from the point of view of long-range target, it can be more energy-saving and environmentally friendly using dining room lamp.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment Chinese Restaurant lamp；
Fig. 2 is the structural schematic diagram at another visual angle of one embodiment Chinese Restaurant lamp；
Fig. 3 is the structural schematic diagram of another embodiment Chinese Restaurant lamp.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, be not offered as being uniquely to implement
Mode.
For example, a kind of dining room lamp includes：Lamp panel, mounting post, mounting cap, several springs, several mounting shells, several wire barrels
And several LED lamps；The lamp panel is flattened cylinder structure, and the lamp panel lateral wall is provided with several connection positions, described
The central region of lamp panel is provided with inserting column, and the inserting column offers inserting groove；The mounting post, which plugs, is installed on described insert
In access slot；The mounting cap is set to the end of the mounting post, for being fixedly connected with external ceiling；Each spring
One end connect with a connection position, the other end is connect with a mounting shell；One end of each wire barrel and an institute
Connection position connection is stated, the other end is connect with a mounting shell, and each wire barrel correspondence wears and is contained in described in one
In spring；The wire barrel is used to access power supply line from the lamp panel to the LED lamp；Each LED lamp correspondence is set
It sets on a mounting shell.The lamp panel is that flattened cylinder structure, that is, lamp panel includes flattened cylinder, flattened cylindrical
The diameter of body and high ratio are greater than 3.
In this way, radiation can be formed by lamp panel, several springs, several mounting shells, several wire barrels and several LED lamps
Lamps and lanterns of structure, and by replacing traditional energy-saving lamp using LED light, greatly improve service life, save use at
This, and with the development of LED technology, from the point of view of long-range target, it can be more energy-saving and environmentally friendly using dining room lamp.
The inserting groove is circular groove in one of the embodiments,.The mounting post is cylindrical structure, the peace
The outer diameter for filling column is equal to the outer diameter of the inserting groove.The mounting cap offers several mounting holes, and several mounting holes are used for
Explosion screw is worn so that the mounting cap to be mounted on external ceiling.Described in the central region integral type setting of the lamp panel
Inserting column.The mounting shell is rectangular parallelepiped structure.The mounting shell is hollow to be formed with inner cavity, and the mounting shell offers connection institute
The installing port of inner cavity is stated, the LED lamp is connect after being inserted in the installing port with the mounting shell.The LED lamp part
It is contained in the inner cavity.The LED lamp is detachably connected with the mounting shell.The lamp panel has hollow cavity, the connection
Position offers the passing channel for being connected to the hollow cavity, and the wire barrel is respectively communicated with the passing channel and the inner cavity.
Dining room lamp so may be implemented preferably to install and connect, and the convenience assembling of dining room lamp may be implemented, in order to user
Carry and carry out network express delivery sale.
For the above-mentioned dining room lamp of further instruction, sufficiently to disclose the structure and principle of dining room lamp, now also referring to figure
1, Fig. 2 and Fig. 3, the structure and principle of corresponding above-mentioned dining room lamp are made further elucidated above.For example, dining room lamp includes：Lamp panel
100, mounting post 200, mounting cap 300, several springs 400, several mounting shells 500, several wire barrels 600 and several LED light
Tool 700.Lamp panel 100, mounting post 200 and mounting cap 300 are sequentially connected.Each mounting shell 500 it is corresponding by a spring 400 with
Lamp panel 100 connects.Each correspondence of wire barrel 600 is installed between lamp panel 100 and a mounting shell 500.Each LED lamp 700 is right
It should be installed on a mounting shell 500.In this way, passing through lamp panel 100, several springs 400, several mounting shells 500, several wire barrels
600 and several LED lamps 700 can form the lamps and lanterns of radial configuration, and by replacing traditional energy-saving lamp, pole using LED light
The earth improves service life, saves use cost, and with the development of LED technology, from the point of view of long-range target, uses
Dining room lamp can be more energy-saving and environmentally friendly.
Lamp panel 100 is flattened cylinder structure, and 100 lateral wall of lamp panel is provided with several connection positions 110.For example, lamp panel 100
Outside wall integral is provided with several connection positions 110.For example, 100 outside wall integral of lamp panel be provided with it is evenly spaced several
Connection position 110.For example, connection position 110 is cube structure.The outer surface of connection position 110 has regular planar structure.It is logical in this way
Cross be arranged several connection positions 110 can preferably realize with several springs 400, several mounting shells 500, several wire barrels 600 with
And the connection of several LED lamps 700.
To be easily installed connection mounting post 200, for example, the central region of lamp panel 100 is provided with inserting column 120, inserting column
120 offer inserting groove 121.For example, the central region integral type of lamp panel 100 is provided with inserting column 120.Mounting post 200 plugs
It is installed in inserting groove 121.Inserting column 120 is arranged in the central region integral type of lamp panel 100 in one of the embodiments,.?
That is the central axis region of lamp panel 100 is arranged in inserting column 120.Inserting groove 121 is circle in one of the embodiments,
Connected in star.Further, mounting post 200 is cylindrical structure, and the outer diameter of mounting post 200 is equal to the outer diameter of inserting groove 121.Example
Such as, 121 inner sidewall of inserting groove offers internal screw thread, and the bottom outside of mounting post 200 is provided with external screw thread, and mounting post 200 is inserted into
It is spirally connected after inserting groove 121 with inserting column 120.For another example, inserting column 120 offers the fixation hole (not shown) of connection inserting groove 121,
Fixation hole is provided with internal screw thread, and mounting post 200 is inserted into after inserting groove 121 and is spirally connected by screw rod insertion internal screw thread with inserting column 120
Afterwards, the bottom of screw rod is abutted with mounting post 200, and the work of screw rod Yu mounting post 200 is increased after screw rod continues to fall into fixation hole
Firmly, so that mounting post 200 is fixed on inserting column 120, to realize better connection.
For the ease of dining room lamp is mounted on outside, for example, mounting cap 300 is set to the end of mounting post 200, mounting cap
300 with external ceiling for being fixedly connected.For example, mounting cap 300 is cylindrical structure.Further, mounting cap 300 opens up
There are several mounting holes 310, several mounting holes 310 are for wearing explosion screw so that mounting cap 300 is mounted on external ceiling.
For example, mounting cap 300 is uniformly provided with several mounting holes 310.For example, mounting hole 310 is the through-hole through mounting cap 300.Example
Such as, the quantity of mounting hole 310 is six.Six mounting holes 310 are uniformly arranged on mounting cap 300 in a ring-type.In this way, passing through
Dining room lamp will be mounted on outside with can be convenient by mounting cap 300 and several mounting holes 310 being opened on mounting cap 300,
Be particularly wall-mounted on external ceiling, such as be mounted on commercial dining room, household dining room place dining place ceiling on.
Certainly, it also may be mounted at elsewhere according to the actual demand of user.
One end of each spring 400 is connect with a connection position 110, and the other end is connect with a mounting shell 500.The present embodiment
In, spring 400 is drum type brake spring, i.e., outer shaped like cylindrical body.For example, the width of spring 400 is less than or equal to mounting shell 500
Width.For example, one end of each spring 400 and a connection position 110 are welded to connect, the other end and a mounting shell 500 welding connect
It connects.It should be noted that be to support mounting shell 500, the shape using thicker tube body spiral of the spring 400 in the present embodiment
At, it can make spring 400 that can bear biggish external force in landscape mode in this way, to meet the requirement for bearing mounting shell 500,
So that mounting shell 500 can keep horizontal parallel after installing, on the one hand it can guarantee the integrally-built integrality of dining room lamp in this way,
On the other hand it can guarantee the balanced projection downwards of the illuminating ray of LED lamp.
One end of each wire barrel 600 is connect with a connection position 110, and the other end is connect with a mounting shell 500, and each is connect
The correspondence of spool 600 wears and is contained in a spring 400.That is, wire barrel 600 is connected to connection position 110 and mounting shell
Between 500, and wire barrel 600 also wears and is housed in spring 400.For example, wire barrel 600 is the hollow circuit cylinder of both ends open
Body.Wire barrel 600 can be made of plastic material, or steel material is made.Wire barrel 600 be used for from lamp panel 100 to
LED lamp 700 accesses power supply line.For example, external power supply enters mounting post 200 from mounting cap 300, subsequently into lamp panel 100, then
It is diverted to each LED lamp 700 from lamp panel 100, wherein power supply line will enter mounting shell 500 from wire barrel 600.For example, lamp panel
The circuit board of each 700 light on and off of LED lamp of control controlled by wireless controller is provided in 100, circuit board passes through data line
It is connect with each LED lamp 700.It can control each 700 light on and off of LED lamp by being wirelessly connected in this way.
Each LED lamp 700 is correspondingly arranged on a mounting shell 500.For example, each LED lamp 700 is corresponding removably
It is arranged on a mounting shell 500.Mounting shell 500 is rectangular parallelepiped structure in one of the embodiments,.For example, in mounting shell 500
Sky is formed with inner cavity 510, and mounting shell 500 offers the installing port 520 of connection inner cavity 510, and LED lamp 700 is inserted in installing port
It is connect after 520 with mounting shell 500.For example, LED lamp 700 is partially housed in inner cavity 510.For example, LED lamp 700 and mounting shell
500 are detachably connected.For example, lamp panel 100 has hollow cavity 101, the line of crossing that connection position 110 offers connection hollow cavity 101 leads to
Road 102, wire barrel 600 are respectively communicated with passing channel 102 and inner cavity 510.It can make power supply line and data line can be in this way
It preferably wears, facilitates wiring.
With science and technology and social economy development, scientific and technological progress active influence society economy and change people
Life style.Especially under the fast development of LED, the applicable environment of LED is more and more wider.Therefore existing dining room lamp base
It is illuminated in sheet using LED light.However, the heat dissipation problem that illumination needs to consider LED light is carried out using LED light, and it is current
Traditional dining room lamp is substantially the radiator for using radiator structure relatively simple, and radiating efficiency is low, causes to be gathered in LED light
Heat on pearl is difficult to give out outside, will lead to the light efficiency decline of LED lamp for a long time, to affect LED lamp
Service life, and then need to be replaced as frequently as, increase use cost.
Therefore, in order to improve radiating efficiency, the service life of dining room lamp is improved, for example, LED lamp 700 includes radiator
710 and LED lamp panel 720, radiator 710 connect with mounting shell 500.Specifically, radiator includes：Shell, heat sink, two limits
Position block, several radiators, mini-fan and terminal plate.For example, shell is detachably connected with the mounting shell；For another example, shell
It is connect after being inserted in the installing port with the mounting shell, such as welds or be spirally connected.Shell can be made of aluminum alloy materials,
It can also be combined using aluminium alloy with plastics.Shell is used to provide the effect of installation support, for limiting heat sink, two
Block, several radiators and the installation of mini-fan set；LED lamp panel is for providing illumination functions.Heat sink can be closed using aluminium
Golden material is made, and can also be combined using aluminium alloy with plastics.Heat sink is used for mounted LED lamp plate, that is, is integrated with LED light
The PCB circuit board of pearl, so that the heat that LED lamp panel generates at work can be conducted by heat sink to outside.Two limited blocks
It can be made, can also be combined with plastics using aluminium alloy of aluminum alloy materials.Two limited blocks are mainly used for cooperation and dissipate
Hot plate is heat sink to be fixed on shell.Radiator is made of aluminum alloy materials, for absorbing heat sink conduction
Heat is simultaneously conducted.Mini-fan is used to blow to shell to disperse the heat that radiator gathers.Terminal plate uses aluminium alloy
Material is made, and can also be combined using aluminium alloy with plastics.Terminal plate be used to connect external power supply and with LED lamp panel electricity
Property connection, and for cooperating heat sink so that heat sink is fixed on shell.
Shell offers perforative heat dissipation port.For example, heat dissipation port has rectangular cross-sectional, for example, heat dissipation port tool
There is circular cross-section, it in this way can be convenient for die sinking production.Shell also offers limiting slot in the opposite sides of heat dissipation port.For example, limit
Position slot has rectangular cross-sectional.Limiting slot and heat dissipation port are interconnected.In other words, shell opens up interconnected limiting slot
With heat dissipation port, limiting slot and heat dissipation port are interconnected as an entirety.In the present embodiment, the length of limiting slot is less than heat dissipation
The length of port, the limiting slot for having length shorter in the outside of heat dissipation port in this way are solid in turn in order to install two limited blocks
Determine heat sink.
For example, shell is rectangular parallelepiped structure；For another example, shell is square；For another example, shell is triangulo column structure.It is preferred that
, shell is rectangular parallelepiped structure.Shell offers container and heat dissipation channel, and container passes through heat dissipation channel and heat dissipation port
Connection, such container, heat dissipation channel and heat dissipation port three are connected to each other, allow air logical in container, heat dissipation
Road and heat dissipation port circulation, can so take away the heat assembled in heat dissipation port in time.
For example, shell offers threaded hole, shell is mounted on annular outer cover by threaded hole.Threaded hole corresponds to positioning
Column, positioning column is arranged in threaded hole and limit plate is abutted with the surface of shell shell to be installed on installation position.For example, limit
Plate is rotatably dispose in the end of positioning column, for example, limit plate is at the first turned position positioned at the end surface of positioning column, limit
Plate protrudes from the end side of positioning column at the second turned position, can make after positioning column is arranged in threaded hole in this way,
Rotary spacing plate is to block shell, so that shell is installed on installation position.It is appreciated that limit plate is rotatably dispose in positioning column
End can using rotation-limited connection by the way of, for example, the end of positioning column offers circular groove, the middle part of limit plate
Cylindrical protrusions are provided with, cylindrical protrusions are inserted into circular groove, and, the bottom of circular groove is spherical structure groove, circle
The end of column-shaped projection is spherical structure solid, rear position margining plate and positioning cylindricality in such cylindrical protrusions insertion circular groove
At relatively-stationary connection relationship, i.e. limit plate is not easy to fall off from positioning column, and limit plate relative positioning column can be rotated.
For example, the quantity of threaded hole is two, two threaded holes are separately positioned on the two sides of shell.In the present embodiment, two
A threaded hole is separately positioned on the region of the two sides relative rotation of shell, corresponding, and each installation position is arranged there are two positioning column,
Two positioning columns are separately positioned on the region of the two sides relative rotation of installation position, the corresponding threaded hole of each positioning column.It can manage
Solution, after shell is mounted on annular outer cover by threaded hole, so by installing multiple LED lamps in annular outer cover and being arranged
The luminescent color of LED lamp can form bright and colourful combination lamp and facilitate when LED lamp is mounted on annular outer cover fast
Victory, it is high-efficient.
For example, heat sink is rectangular parallelepiped structure.Heat sink lid sets heat dissipation port.For example, heat sink is located at heat dissipation port
One open side and cover set heat dissipation port.For example, heat sink mutually agrees with heat dissipation port.That is, the length of heat sink and
Width is equal to the length and width of heat dissipation port, heat sink can be made to cover heat dissipation port completely in this way, and heat sink is complete
After covering heat dissipation port entirely, the surface of heat sink and the flush where heat dissipation port edge, so that total is more
The compact and reasonable added is orderly.In the present embodiment, heat sink is using plate structure made of aluminum alloy materials.For example, heat sink
It is provided with fixed block, for example, heat sink integral type cast aluminium is arranged to form fixed block.Heat sink offers conduction adjacent to fixed block and wears
Hole, fixed block and conductive through holes are provided commonly for connection terminal plate, so that heat sink is fixedly connected with terminal plate mutual cooperation.Example
Such as, heat sink mutually agrees with heat dissipation port.
For example, limited block is rectangular parallelepiped structure.For example, heat sink and two limited blocks are integrally formed.Two limited blocks are set respectively
The two sides of heat sink are placed in, and each limited block is correspondingly embedded in and is installed on a limiting slot.Limited block mutually agrees with limiting slot.For
Realize quickly installation and removal heat sink, for example, the end of limiting slot is provided with snap fit tabs, the end correspondence of limited block is opened
Equipped with engaging groove, snap fit tabs are caught in engaging groove.For example, the both ends of limiting slot are respectively arranged with snap fit tabs, limit
The both ends of position block respectively correspond and offer engaging groove, can use in this way snap fit tabs with engage being connected together for groove,
It is fixed on limiting slot that rapidly can be caught in limited block under the action of slightly applying external force during once mounting, and one
Rapidly limited block can be taken out under the action of slightly applying external force from limiting slot, so be realized fast in secondary disassembly process
The installation and removal limited block of speed, its essence is quickly installation and removal heat sink is indirectly realized, to improve life
Produce efficiency.
Several radiators are installed on heat sink and are contained in heat dissipation port.For example, several radiators be uniformly distributed in it is scattered
On hot plate, all radiators are contained in heat dissipation port.It is appreciated that sufficiently large could accommodate of the depth of heat dissipation port is owned
Radiator, therefore in the present embodiment, the depth for the port that radiates is greater than or equal to the sum of height and height of radiator of heat sink.
The heat of heat sink is caused to be assembled to avoid the heat of heat sink from occurring heat detraction during being transferred to radiator, example
Such as, radiator and heat sink are integrally formed.Specifically, radiator includes radiating block and several thermal columns, radiating block and heat dissipation
Plate connection, several thermal columns are set to radiating block.For example, radiating block and heat sink are integrally formed.To improve radiating efficiency, heat dissipation
The quantity of body is corresponding with the quantity of the lamp bead in LED lamp panel, and the corresponding radiator of each lamp bead, that is to say, that works as LED light
When the quantity of lamp bead on plate is five, the quantity of radiator also corresponds to five, also, the lamp in radiator and LED lamp panel
Pearl is correspondingly arranged opposite to each other, and such radiator, which is equivalent to, increases the thickness of heat sink, it is known that the increase of thickness can be absorbed more
Heat so that the heat that generates of the lamp bead in LED lamp panel being absorbed by radiator with rapid, high volume, particularly by
Radiating block, which is further absorbed after absorbing by several thermal columns, to be distributed to outside.
Mini-fan is installed on container, and the input terminal of mini-fan is towards heat dissipation channel.For example, container is set to
The side of heat dissipation port；Preferably, container is set to enclosure interior.In other embodiments, container may be positioned at shell
The semiclosed cavity in internal portion.In the present embodiment, mini-fan is the fan of customization, and apparent volume disposed of in its entirety is at being adapted to
The size of container only retains the function of its rotation air-supply.Mini-fan is connect by conducting wire with external power supply, in this way when
The air of heat dissipation port will be extracted out when mini-fan works towards the input terminal of the mini-fan of heat dissipation channel, so that heat dissipation is logical
The relatively small space of atmospheric pressure is formed in mouthful, the relatively small space of atmospheric pressure can make heat sink exist on the one hand
More stable and firm lid is located at heat dissipation port under the action of atmospheric pressure, and on the other hand, external air can pass through heat dissipation
Gap between plate and shell enters in heat dissipation port, it is preferred that air intake passage is offered between heat sink and shell, to make
External cold wind can enter in heat dissipation port and absorb heat and the air being heated under the action of mini-fan is given
Out to outside, it is thusly-formed the air flow passage of circulation, so as to force quickly to reduce the temperature of heat dissipation channel, Jin Erti
The high radiating efficiency of heat sink.
In this way, being used to form compact-sized radiator structure by shell, heat sink and two limited blocks, heat sink is used for
Mounted LED lamp plate, the heat that such LED lamp panel generates, which will be conducted to heat sink, enters conduction into radiator.And by micro-
Type fan for absorbed at work by heat dissipation channel radiate intracorporal heat and under the action of negative pressure air-cooled air to scattered
Hot body overflows into, and is entered in this way by air-cooled air and heat is under the double-radiation function driving that heat dissipation channel flows out, work as radiator
Temperature when increasing, rapidly heat spreader can be conducted to outside, so by increasing mini-fan with forced heat radiation
Mode effectively improves radiating efficiency.
Terminal plate, which is located at another open side of heat dissipation port and covers, sets heat dissipation port, and terminal plate is provided with grip block and conduction
Piece, conductive sheet are set in grip block.Corresponding, heat sink is provided with fixed block, and heat sink offers conduction adjacent to fixed block
Perforation.Grip block and conductive sheet wear conductive through holes respectively, and grip block is connect with fixed block.Conductive sheet electrically connects with LED lamp panel
It connects.That is, LED lamp panel is set on heat sink and is electrically connected with conductive sheet.In this way, heat sink and terminal plate can lead to
It crosses grip block mutual cooperation to be fixedly connected, and realizes the electric connection of LED lamp panel and external power supply under the action of conductive sheet.
In the present embodiment, conductive sheet is arranged in inside grip block by way of being embedded to grip block.Preferably, terminal plate is
Plastic material is made, and the injection molding setting of terminal plate integral type forms grip block.It can be mentioned in this way to avoid the outer casing electrification of LED lamp
The security performance of high product.
Further, the side of fixed block towards conductive through holes offers card slot, and the end of grip block is caught in card slot.Example
Such as, the end of grip block is provided with protrusion, and protrusion is caught in card slot.For example, protrusion is arranged in the end integral type of grip block.Example
Such as, card slot is the groove of rectangle structure.For example, protrusion is the protrusion of rectangular parallelepiped structure.In this way, by being mutually clasped
Terminal plate can be made to be firmly installed on shell and covered to set heat dissipation port under effect, it is easy to assembly quick, improve production
Efficiency.
For example, grip block is provided with junction block, the exposed bottom end with junction block in the end of conductive sheet forms contact.It can manage
Two, respectively cathode conductive film and cathode conductive film, corresponding, the bottom end of junction block can be set in solution, the quantity of conductive sheet
Cathode contact and cathode contact can be divided by forming contact, and cathode contact and cathode contact are inputted with the positive and negative anodes of LED lamp panel respectively
Contact abuts to be electrically connected.The connection of LED lamp panel and external power supply can be better achieved in this way, so that LED lamp panel can
Steadily to work.Connection as conductive sheet and external power supply can realize by way of power interface is arranged, the setting
The mode of power interface is the prior art, and details are not described herein again.
To be easily installed LED lamp panel, for example, heat sink is provided with fixing groove, the LED lamp panel is set to the fixing groove
In.For example, the LED lamp panel welding is set in the fixing groove；For another example, the LED lamp panel printing is set to the fixation
In slot.For example, fixing groove is set to heat sink backwards to the surface for the port that radiates.It is appreciated that the shape and structure of fixing groove can be with
It is identical as the shape and structure of LED lamp panel, it can be convenient the installation settings of LED lamp panel in this way.In this way, when LED lamp panel access is external
The heat generated when working after power supply can quickly conduct the coefficient of conductivity to LED lamp panel without influencing heat.For example, heat dissipation
Plate offers fixing groove, and LED lamp panel is set in fixing groove.For example, LED lamp panel welding is set in fixing groove.
Circular luminaire in above-mentioned each embodiment is used to heat sink and terminal plate being fixed on shell by grip block
It radiates in two open sides of port, so that heat dissipation port forms the heat-dissipating space of relative closure, so when LED lamp panel works
When the heat that generates can enter heat dissipation port by heat sink, and absorbed by the air in heat dissipation port, and then in air stream
It conducts under the action of logical to outside.The LED lamp structure compact and reasonable can be quickly mounted at external and radiating efficiency height,
Effectively improve the service life of LED lamp.
Further, to improve radiating efficiency, mini-fan includes above setting mini-fan and underlying mini-fan, is above set micro-
Type fan and underlying mini-fan are respectively arranged at the top and bottom of shell.For example, shell is including built in heat dissipation inner casing, first
Absorber plate, absorber plate built in second, upper wind-guiding bending section, lower wind-guiding bending section, air inlet port, air inducing guide groove, on set wind gathering chamber,
Vented perforation, in set wind gathering chamber, underlying wind gathering chamber, reinforcement block, heat radiation fixing pole, at least two positioning fixed parts and air draft and go out
Mouthful.For example, heat dissipation inner casing, absorber plate built in first, absorber plate, upper wind-guiding bending section, lower wind-guiding bending section, air inlet built in second
Port, air inducing guide groove, on set wind gathering chamber, vented perforation, in set wind gathering chamber, underlying wind gathering chamber, reinforcement block, heat radiation fixing pole, extremely
Few integrated cast aluminium forming of two positioning fixed parts and wind exhausting outlet etc..In the present embodiment, heat dissipation inner casing is the cell wall of container.
For example, absorber plate built in absorber plate built in first and second is oppositely arranged.In the present embodiment, in absorber plate built in first and second
Absorber plate is set to be arranged in parallel relatively.For example, the shell includes two fixed parts, it is respectively arranged at close to heat dissipation inner casing
The position of top and bottom.Set on described wind gathering chamber, it is described in set wind gathering chamber and the underlying wind gathering chamber communicates with each other.It can manage
Solution, to further increase radiating efficiency, shell is respectively arranged with above structure in the two sides of heat dissipation port, and mini-fan also corresponds to
Setting.Two sides can work at the same time in this way, greatly improve radiating efficiency.
For example, heat dissipation inner casing is hollow rectangular parallelepiped structure, air inlet port is connected to the heat dissipation channel, for passing through heat dissipation
Channel absorbs the heat in heat dissipation port.For example, the shape of heat dissipation inner casing is rectangular hollow frame body, using rigid plastics system
At, the hollow inside of heat dissipation inner casing vertical direction from top to bottom, respectively by two pieces of positioning fixed parts every being arranged to three wind
Room：On set wind gathering chamber, in set wind gathering chamber, underlying wind gathering chamber, wherein above set wind gathering chamber by vented perforation connection in set wind gathering
Chamber, underlying wind gathering chamber by underlying mini-fan be connected in set wind gathering chamber, in this way, on set wind gathering chamber, in set wind gathering chamber and underlying
Wind gathering chamber be interconnected it is ventilative after the heat of shell can be taken out of shell external environment by air-cooled form.
For example, absorber plate built in first, absorber plate built in second, on to set mini-fan, underlying mini-fan, upper wind-guiding curved
Pars convoluta, lower wind-guiding bending section, reinforcement block, air inducing guide groove, heat radiation fixing pole, positioning fixed part are set in the heat dissipation inner casing
Portion.For example, being formed on described close to the positioning fixed part of the napex of heat dissipation inner casing and the napex of heat dissipation inner casing and setting wind gathering chamber.Example
Such as, the underlying wind gathering chamber is formed close to the positioning fixed part of the bottom of heat dissipation inner casing and the bottom of heat dissipation inner casing.For example, close
It is formed in described between the positioning fixed part and heat radiation fixing pole of the bottom of heat dissipation inner casing and sets wind gathering chamber.
It is appreciated that several radiators absorb the heat of LED lamp panel and heat the air in heat dissipation port and form hot wind,
Therefore wind gathering chamber is set to control the hot wind entered by the heat dissipation channel from above to enter, and wind gathering chamber is set in passing through by first
After setting absorber plate absorption heat built in absorber plate and second, small part hot wind is flowed out from underlying wind gathering chamber, for example, air inlet port,
Air inducing guide groove, on set mini-fan and upper wind-guiding bending section etc. and be set to and set wind gathering chamber.For example, air inlet port is opened in and sets
The one side wall of wind gathering chamber, if the dry lattice for having array arrangement is also extended along air inlet port periphery, for preventing cockroach mosquito
Worm etc. enters.Accordingly, above set mini-fan be set to opposite air inlet port on set on another side wall of wind gathering chamber, also,
On set mini-fan and air inlet port between also by plastic plate formed air inducing guide groove, i.e., air inducing guide groove connection enters the wind port, and
And air inducing guide groove sealed set, only with above set mini-fan and air inlet port be connected to.In this way, setting mini-fan work upper
When, air inducing guide groove is unequal positioned at the pressure for above setting mini-fan and air inlet port two sides, also, air inducing guide groove is micro- positioned above setting
The pressure of type fan side is less than the pressure that air inducing guide groove is located at air inlet port side, allows air inlet port constantly micro- above to set
Type fan is sent into hot wind for heat dissipation.For the ease of flowing to vented perforation rapidly, for example, on set wind gathering chamber close to above set it is miniature
Wind-guiding bending section is additionally provided on the inner sidewall of fan side, for example, upper wind-guiding bending section is made of aluminum alloy materials, again
Such as, upper wind-guiding bending section is with position or hemispherical that surface is arc shape or circular groove, also, surface is arc
The position of shape or hemispherical perhaps its hemispherical of the coarse setting of circular groove interior surface or arc-shaped opening direction
Vented perforation so that on set mini-fan work when, can be by coarse Surface absorption part when hot wind blows to wind-guiding bending section
Heat, and hot wind continues to turn back while upper wind-guiding bending section is absorbed heat to vented perforation, and sets wind gathering in flow direction
Chamber.
For example, cold wind enter above set enter after wind gathering chamber after vented perforation in set wind gathering chamber.Radiate inner housing inner
Positioned at two positioning fixed parts of the downside for above setting wind gathering chamber formed in set wind gathering chamber, for example, positioning fixed part be plate structure,
It uses aluminum alloy materials to be made.Also, the positioning that absorber plate built in first is installed on close to the side for above setting wind gathering chamber is fixed
In portion, absorber plate built in first also pass through reinforcement block and second built in absorber plate connect to reinforce absorber plate built in first and second
The fixed position relative of both built-in absorber plates, in the present embodiment, absorber plate built in absorber plate built in first and second is aluminium
Plate object made of alloy material, also, absorber plate built in second also pass through heat radiation fixing pole be mounted on far from above set it is poly-
The positioning fixed part of wind chamber.In order to reinforce the thermal effect of washing of absorber plate built in first, absorber plate built in first is closed using flaky aluminum
Gold, for example, absorber plate built in first made of sheet aluminium alloy forms disk-like structure using the processing method of coiling.For example, the
The structure of absorber plate built in one can be using hollow double ring winding ring type structure, bilayer around ring type structure and single layer plate-like pitch of the laps formula knot
Structure etc. is made.Preferably, using bilayer around ring type structure, sheet aluminium alloy high efficiency heat absorption first built in absorber plate, with promoted
The efficiency of the absorption heat of absorber plate built in first, further improves radiating efficiency.
It is appreciated that being so that the LED lamp panel and external energization, shell that are mounted on heat sink are provided with conducting wire, shell
It is provided with the power input being electrically connected with conducting wire, for accessing external power supply, conducting wire is to bridge external power supply and LED light
Plate, therefore in order to promote the security performance of shell, absorber plate is additionally provided with fuse built in second, for example, fuse includes protecting
Dangerous silk, for example, fuse is mounted on power input, so that when the current anomaly for the LED lamp panel being mounted on heat sink.Example
Such as, voltage increases or when current overload, and the electricity of the LED lamp panel on heat sink is cut off the power and is mounted in fuse itself fusing
Connection, to guarantee that circuit safety is run.For example, the LED lamp panel being mounted on heat sink is additionally provided with safety switch, for example, peace
Full switch includes that two kinds of different sheet metals of coefficient of thermal expansion and contraction force together manufactured bimetal leaf, for example, in bimetallic
Be provided with power button switch in the sphere of action of the deformation of piece, bimetal leaf it is heated deformation occurs when bimetal leaf act on
Power button switch, i.e., the LED lamp panel that ought be mounted on heat sink because radiate it is bad cause when the temperature is excessively high, safety switch can be with
Power supply is disconnected, to guarantee that circuit safety is run.
It is partly absorbed for example, setting wind gathering chamber heat in flowing through, another part is therefrom set under the action of distinguished and admirable pressure difference
Wind gathering chamber enters underlying wind gathering chamber by underlying mini-fan.That is, when underlying mini-fan works, in set wind gathering chamber and underlying poly-
Wind chamber generates pressure difference, under the action of pressure difference, in set the underlying wind gathering chamber of hot blast flow direction of wind gathering chamber.It is appreciated that underlying
The bottom of positioning fixed part and shell that wind gathering chamber sets wind gathering bottom of chamber portion in is constituted.In set wind gathering chamber hot air flow enter it is underlying
After wind gathering chamber, wind exhausting outlet is flowed under the action of lower wind-guiding bending section, finally, flows through wind exhausting outlet row with the hot wind of heat
Shell out；For example, wind exhausting outlet is connected to the inner cavity, in this way, laggard through wind exhausting outlet discharge shell with the hot wind of heat
Enter inner cavity, and since wire barrel is respectively communicated with the passing channel and the inner cavity, it can be further with the hot wind of heat
Ground enters in the hollow cavity of lamp panel, improves heat-dissipating space to realize better heat dissipation.So that the heat of radiator aggregation
It can quickly and efficiently be distributed to outside, greatly improve radiating efficiency.
The present invention has long service life, and use cost is low, and radiator structure is reasonable, with the development of LED technology, from long-range
Target from the point of view of, the characteristics of being more energy-saving and environmentally friendly using dining room lamp.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of dining room lamp, which is characterized in that including：It is lamp panel, mounting post, mounting cap, several springs, several mounting shells, several
Wire barrel and several LED lamps；
The lamp panel is flattened cylinder structure, and the lamp panel lateral wall is provided with several connection positions, the middle region of the lamp panel
Domain is provided with inserting column, and the inserting column offers inserting groove；
The mounting post, which plugs, to be installed in the inserting groove；
The mounting cap is set to the end of the mounting post, for being fixedly connected with external ceiling；
One end of each spring is connect with a connection position, and the other end is connect with a mounting shell；
One end of each wire barrel is connect with a connection position, and the other end is connect with a mounting shell, and each institute
Wire barrel correspondence is stated to wear and be contained in a spring；
The wire barrel is used to access power supply line from the lamp panel to the LED lamp；
Each LED lamp is correspondingly arranged on a mounting shell.
2. dining room lamp according to claim 1, which is characterized in that the inserting groove is circular groove.
3. dining room lamp according to claim 2, which is characterized in that the mounting post is cylindrical structure, the mounting post
Outer diameter be equal to the inserting groove outer diameter.
4. dining room lamp according to claim 1, which is characterized in that the mounting cap offers several mounting holes, Ruo Gansuo
Mounting hole is stated for wearing explosion screw so that the mounting cap is mounted on external ceiling.
5. dining room lamp according to claim 1, which is characterized in that the central region integral type setting of the lamp panel is described to insert
Connect column.
6. dining room lamp according to claim 1, which is characterized in that the mounting shell is rectangular parallelepiped structure.
7. dining room lamp according to claim 6, which is characterized in that the mounting shell is hollow to be formed with inner cavity, the installation
Shell offers the installing port for being connected to the inner cavity, and the LED lamp is connect after being inserted in the installing port with the mounting shell.
8. dining room lamp according to claim 7, which is characterized in that the LED lamp is partially housed in the inner cavity.
9. dining room lamp according to claim 7, which is characterized in that the LED lamp is detachably connected with the mounting shell.
10. dining room lamp according to claim 9, which is characterized in that the lamp panel has hollow cavity, and the connection position opens up
There is the passing channel for being connected to the hollow cavity, the wire barrel is respectively communicated with the passing channel and the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383063.8A CN108844010A (en) | 2018-04-26 | 2018-04-26 | Dining room lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383063.8A CN108844010A (en) | 2018-04-26 | 2018-04-26 | Dining room lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108844010A true CN108844010A (en) | 2018-11-20 |
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ID=64212370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383063.8A Pending CN108844010A (en) | 2018-04-26 | 2018-04-26 | Dining room lamp |
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| CN (1) | CN108844010A (en) |
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| CN207162500U (en) * | 2017-09-02 | 2018-03-30 | 江门市骏威灯饰有限公司 | A kind of lamp for being easily installed multiple ornaments |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202733711U (en) * | 2012-07-24 | 2013-02-13 | 繁昌县倍思创业服务有限公司 | Arc boom spotlight |
| CN104100872A (en) * | 2014-07-25 | 2014-10-15 | 东莞市闻誉实业有限公司 | Led lamp |
| CN204328724U (en) * | 2014-10-29 | 2015-05-13 | 中山市成虹照明科技有限公司 | A kind of LED lamp affixed to the ceiling |
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Application publication date: 20181120 |