CN108397723A - A kind of anti-glimmer LED ceiling lamp - Google Patents
A kind of anti-glimmer LED ceiling lamp Download PDFInfo
- Publication number
- CN108397723A CN108397723A CN201810415629.0A CN201810415629A CN108397723A CN 108397723 A CN108397723 A CN 108397723A CN 201810415629 A CN201810415629 A CN 201810415629A CN 108397723 A CN108397723 A CN 108397723A
- Authority
- CN
- China
- Prior art keywords
- led
- led light
- glimmer
- shell
- upper shell
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- 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
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of anti-glimmer LED ceiling lamps, including LED lamp outer shell, LED lamp drives, several LED light battens, the LED lamp driving includes drive shell, being received in drive shell has non-isolation type LED drive circuit, the drive shell is divided into upper shell and lower housing, the upper shell offers the LED light bar mounting groove of setting quantity with lower housing joint face, LED light batten is installed in the LED light bar mounting groove, LED light bar plate is clamped in LED light bar mounting groove by upper shell after being fastened with lower housing, the upper shell top surface is provided with the nut installation groove of the receiving installation nut of setting quantity, the lower housing is provided with through-hole corresponding with the nut installation groove；Non-isolation type LED drive circuit is connected with one foot of capacitance comprising rectification circuit, the bridge rectifier prime, another foot ground connection of capacitance, which is arranged nut installation groove, easy for installation quick, it is more quick and convenient that connecting terminal connection is set, effectively prevent lamps and lanterns glimmer problem.
Description
Technical field
The invention belongs to LED lamp technical fields, concretely relate to a kind of anti-glimmer LED ceiling lamp.
Background technology
LED lamp due to its power saving and brightness height etc., obtain the favor of consumer, especially LED ceiling lamp due to
It is neatly conveniently comprehensively promoted.
Due to some, the needs of our house decoration electrician level differences and special occasions, many families or its
His the switch zero curve firewire in place is reversed, and switch controls zero curve, causes lamps and lanterns to charge always, and cause non-isolated LED lamp
(including energy-saving lamp) has glimmer or phenomenon of coruscating when switch is turned off.This leads to Railway Project, one be due to
Lamps and lanterns charge throughout the year, its service life is caused to greatly shorten, and replace frequent, expend financial resources and manpower, one be due to noctilucence,
The quality of human sleeping slept under this lamp declines, unhealthful.Existing solution is or zero firewire connects pair or replaces
Isolation drive.But isolation drive efficiency is generally lower than non-isolated, and volume is big, and price is high, is not appropriate for built-in type lamps and lanterns
Design requirement, and also only improve glimmer and cannot solve the problems, such as glimmer.
Invention content
The object of the present invention is to provide a kind of anti-glimmer LED ceiling lamps, are intended to solve the above problems.
In order to solve the above technical problems, the object of the present invention is achieved like this：
A kind of anti-glimmer LED ceiling lamp, including the driving of LED lamp outer shell, LED lamp, several LED light battens, feature
It is：The LED lamp driving includes drive shell, and being received in drive shell has non-isolation type LED drive circuit, the driving
Shell is divided into upper shell and lower housing, and the upper shell offers the LED light bar mounting groove of setting quantity with lower housing joint face,
LED light batten is installed, LED light bar plate is clamped on LED light by upper shell with after lower housing fastening in the LED light bar mounting groove
In mounting groove, the upper shell top surface is provided with the nut installation groove of the receiving installation nut of setting quantity, the lower casing
Body is provided with through-hole corresponding with the nut installation groove；
Non-isolation type LED drive circuit includes rectification circuit, filter circuit, constant-current control circuit, and the finishing circuit is
Bridge rectifier, the bridge rectifier prime are connected with one foot of capacitance, another foot ground connection of capacitance, and the non-isolation type LED drives
The dynamic external end of circuit lead is fixedly connected with power supply wiring connector and ground connection connection joint, and the capacity earth foot passes through conducting wire
It is connected with LED lamp outer shell, while is also connected with the ground connection connecting terminal.
Preferred embodiment on the basis of said program and as said program：The upper shell is provided with heat emission hole.
Preferred embodiment on the basis of said program and as said program：The upper shell is provided with a notch, institute
It states power supply wiring connector and ground connection connection joint is exposed to the notch.
Preferred embodiment on the basis of said program and as said program：The LED light batten is divided into the first LED light
Batten and the second LED light batten, the first LED light bar onboard led lamp bead is single setting, on the second LED light batten
LED lamp bead be double setting.
Preferred embodiment on the basis of said program and as said program：The first LED light batten and the 2nd LED
The staggered arrangement of lamp bar plate.
Preferred embodiment on the basis of said program and as said program：The capacitance is nanofarad range or pico farad grade electricity
Hold.
Preferred embodiment on the basis of said program and as said program：The ground connection connecting terminal by conducting wire with
LED lamp outer shell is connected.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：It is single cheap reliable, only with a capacitance and one
A ground connection just solves the scheme that must could be solved with isolated power supply, technically simple and practicable, can be than traditional scheme more
It being simply grounded, and solves the reversed caused lamp bead glimmer of Live line Zero line, effect is good, traditional scheme isolated power supply,
Still electric discharge is will produce on energy-storage travelling wave tube, only because the presence of isolating transformer causes amplitude to become smaller.And the present invention from
Fundamentally solves the series resonance between energy storage inductor and energy storage electrolysis, that puts things right once and for all before bridge solves asking for electric discharge
Topic.
Meanwhile nut installation groove is arranged in the drive shell, easy for installation quick, setting connecting terminal connects quicker
It is convenient.
Description of the drawings
Fig. 1 is existing non-isolated drive circuit schematic diagram；
Fig. 2 is the non-isolated drive circuit schematic diagram of the present invention；
Fig. 3 is ground capacity circuit close-up schematic view of the present invention；
Fig. 4 is LED lamp driving structure schematic diagram of the present invention；
Fig. 5 is fitting structure schematic diagram of the present invention.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with the attached drawing 1-5 in embodiment,
Technical solution in embodiment is clearly and completely described,
The micro main cause of lamp bead：
1, the characteristics of non-isolated lamps and lanterns driving
Currently on the market the non-isolated driving of different lamps be all BUCK circuits several mutation.It is given below several
A typical case uses circuit, refers to Fig. 1-3, they, all there are one common trait, are exactly that LED lamp bead suspends, be not directly connected bridge-type
Ground after rectification, is floating ground, and when work, they have voltage difference ground between, and (exchange 220 × 1.414- of input lamp beads are electric
The voltage difference of pressure >=200V or more) (lamp bead string and voltage difference, different), here it is the bases for leading to lamps and lanterns glimmer.
2, according to the classification of national standard GB7000.1-2002 and IEC60598-1: 2003 newest standards
A kind of lamps and lanterns i.e. I class lamps and lanterns, are defined as follows：
The electrocution-proof protection of lamps and lanterns does not only rely on basic insulation, but also includes additional safety measure, i.e., easily touching
Conductive component be connected on the protective grounding conductor in fixed circuit, make accessible conductive component just in case basic insulation lose
It will not be charged when effect, that is to say, that lamps and lanterns must safety ground；
3, the technical reason of LED lamp bead glimmer
Since Live line Zero line is reversed, driving is caused to output and input the AC voltage difference to greatly there is 220V always, only
Because not being formed into a loop, driving does not work.But the filtering electrolysis that bridge rectifier is followed by, come in alternating voltage 50HZ
During recharging electric discharge, certain impulse electricity ripple current F is produced, by having flowed to driving rear end such as the approach of figure below
On energy storage inductor, in being electrolysed the charge and discharge process with inductance, LC high frequency oscillations are generated, concussion frequency is
The frequency of this concussion is related with inductance and capacitance and the concussion power frequency being superimposed upon in this decorum, generally
This concussion frequency of the non-isolated drivings of LED is very high, is a high frequency oscillation.
The LED lamp bead of lamps and lanterns is attached on aluminum substrate (as scheme), there is the PP of insulation between the copper foil that aluminum substrate and lamp bead are pasted
Cloth and heat-conducting glue isolation, one capacitance of self-assembling formation, capacity is directly proportional to the area of aluminium base plate suqare and copper foil, and aluminum substrate is got over
Greatly, cover that copper is bigger, and capacity is bigger.General tens PF of its capacity to several NF.And aluminum substrate is fixed on metal by metal screws
On chassis, it is equivalent to this PF grades capacitance one end in this way and is connect with lamp bead, one end is connect with chassis.
By preceding described, the necessary chassis earth of a kind of lamps and lanterns, this capacitance is also just with being greatly connected in this way.Held according to capacitance
Anti- formula Xc=1/ (2 π fC), wherein Xc are capacitive reactance, and unit is ohm, and f is the frequency for the electric current for being added in capacitance both ends, and C is this
The capacity of a capacitance.The f frequencies of high-frequency signal are higher, and the capacity C of capacitance is bigger, then impedance Xc is smaller, that is to say, that electric current
It is easier to pass through.And the high-frequency signal of hundreds of K is equivalent to short circuit for PF grades of capacitances, such high-frequency signal can be unimpeded
Aluminum substrate is flowed to from LED lamp bead pin.In this way when switch cutoff, since Live line Zero line is reversed, lamps and lanterns have electricity and connect
Ground, the high frequency voltage on copper foil in lamp bead discharge into ground by this capacitance, and forming circuit causes LED lamp bead to work always
And shine, form glimmer.
The reason of forming glimmer has been found, and is to be charged always in lamps and lanterns and the electricity due to alternating voltage after bridge rectifier
Caused by charge and discharge form LC series resonances formation high frequency voltage with inductance in solution, we solve the mode of seeking.As long as removing this
A high frequency electrical signal can solve LED lamp bead glimmer.
We add the capacitance of nanofarad (nF) grade before bridge rectifier, and are connected with ground connection, the production in this way in electrolysis
The 50HZ low frequency charging voltage F of raw high frequency electrical signal are put on ground connection in advance by the capacitance of this low capacity, thus will not
This voltage is set to be added to formation LC series resonances on rear class energy storage inductor.Its formula is Xc=1/ (2 π fC), and wherein C is smaller, right
Low frequency model F's filters out that performance is better, the ceramic disc capacitor of our actual selection 2200pF, to the alternating voltage of 50HZ in electrolysis
The ripple voltage of generation to filter out performance best.Thus eliminating the need generate capacitance of the high-frequency signal by aluminum substrate self-assembling formation
The reason of discharging and leading to LED lamp bead glimmer.
Before our bridges plus capacitance be directly connected to ground connection, one terminal be used in combination with connecting, the ground connection of such client and I
Solution the ingenious merging of ground connection, realize a ground connection it is public, simple and clear solves the problems, such as lamp bead glimmer and ground connection
Problem.
LED lamp drives, including drive shell 10, and being received in drive shell 10 has non-isolation type LED drive circuit, it is non-every
Release LED drive circuit includes rectification circuit, filter circuit, constant-current control circuit, and the finishing circuit is bridge rectifier, described
Bridge rectifier prime is connected with mono- feet of capacitance CAP, another foot ground connection of capacitance CAP, and the non-isolation type LED drive circuit is led
The external end of line be fixedly connected with power supply wiring connector, ground connection connection joint 14, the capacitance CAP grounding legs by conducting wire 50 with
LED lamp outer shell 40 is connected, while being also connected with the ground connection connecting terminal.
The drive shell 10 is divided for upper shell 15 and lower housing 17, and the upper shell 15 is opened up with 17 joint face of lower housing
There is the LED light bar mounting groove 151 of setting quantity, LED light batten 20, upper shell 15 are installed in the LED light bar mounting groove 151
LED light batten 20 is clamped in LED light bar mounting groove 151 after being fastened with lower housing 16,15 top surface of the upper shell is provided with
The nut installation groove 12 of the receiving installation nut of quantity is set, the lower housing 17 is provided with and the nut installation groove 12
Corresponding through-hole.
The upper shell 15 is provided with heat emission hole 11.
The nut installation groove 12 is hexagonal structure.
The non-isolation type LED drive circuit is provided with power supply, ground connection connecting terminal 14, and the upper shell 15 is provided with one
Notch 13, the power supply, ground connection connecting terminal 14 are exposed to the notch 13.
The power supply, ground connection connecting terminal 14 are fast connecting terminal.
The LED light batten is divided into the first LED light batten 20 and the second LED light batten 30, the first LED light batten 20
Upper LED lamp bead 21 is single setting, and the LED lamp bead on the second LED light batten 30 is double setting, first LED light
The 30 staggered arrangement of batten 20 and the second LED light batten, such arrangement can be while saving lamp bead reduce cost
So that shining more uniformly, brightness can also reach requirement.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, should all be covered by within protection scope of the present invention.
Claims (7)
1. a kind of anti-glimmer LED ceiling lamp, including the driving of LED lamp outer shell, LED lamp, several LED light battens, feature exist
In：The LED lamp driving includes drive shell, and being received in drive shell has non-isolation type LED drive circuit, the driving shell
Body is divided into upper shell and lower housing, and the upper shell offers the LED light bar mounting groove of setting quantity, institute with lower housing joint face
It states and LED light batten is installed in LED light bar mounting groove, LED light bar plate is clamped on LED light bar by upper shell with after lower housing fastening
In mounting groove, the upper shell top surface is provided with the nut installation groove of the receiving installation nut of setting quantity, the lower housing
It is provided with through-hole corresponding with the nut installation groove；
Non-isolation type LED drive circuit includes rectification circuit, filter circuit, constant-current control circuit, and the finishing circuit is bridge-type
Rectification, the bridge rectifier prime are connected with one foot of capacitance, another foot ground connection of capacitance, the non-isolation type LED drivings electricity
The external end of line conductor be fixedly connected with power supply wiring connector and ground connection connection joint, the capacity earth foot by conducting wire with
LED lamp outer shell is connected, while being also connected with the ground connection connecting terminal.
2. a kind of anti-glimmer LED ceiling lamp according to claim 1, it is characterised in that：The upper shell is provided with heat dissipation
Hole.
3. a kind of anti-glimmer LED ceiling lamp according to claim 1, it is characterised in that：The upper shell is provided with one and lacks
Mouthful, the power supply wiring connector and ground connection connection joint are exposed to the notch.
4. a kind of anti-glimmer LED ceiling lamp according to claim 1, it is characterised in that：The LED light batten is divided into first
LED light batten and the second LED light batten, the first LED light bar onboard led lamp bead are single setting, second LED light bar
LED lamp bead on plate is double setting.
5. a kind of anti-glimmer LED ceiling lamp according to claim 1, it is characterised in that：The first LED light batten and
The two staggered arrangements of LED light batten.
6. a kind of anti-glimmer LED ceiling lamp according to claim 1, it is characterised in that：The capacitance is nanofarad range or skin
Method grade capacitance.
7. a kind of anti-glimmer LED ceiling lamp according to claim 1, it is characterised in that：The ground connection connecting terminal passes through
Conducting wire is connected with LED lamp outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415629.0A CN108397723B (en) | 2018-05-03 | 2018-05-03 | Prevent little bright LED ceiling lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415629.0A CN108397723B (en) | 2018-05-03 | 2018-05-03 | Prevent little bright LED ceiling lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397723A true CN108397723A (en) | 2018-08-14 |
| CN108397723B CN108397723B (en) | 2020-12-11 |
Family
ID=63101042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810415629.0A Expired - Fee Related CN108397723B (en) | 2018-05-03 | 2018-05-03 | Prevent little bright LED ceiling lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397723B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203771345U (en) * | 2014-02-20 | 2014-08-13 | 无锡中科智联科技研发中心有限公司 | LED sensing lamp adjustable in brightness of dim light and adjustable in full bright delay duration |
-
2018
- 2018-05-03 CN CN201810415629.0A patent/CN108397723B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203771345U (en) * | 2014-02-20 | 2014-08-13 | 无锡中科智联科技研发中心有限公司 | LED sensing lamp adjustable in brightness of dim light and adjustable in full bright delay duration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397723B (en) | 2020-12-11 |
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Granted publication date: 20201211 Termination date: 20210503 |