CN104791722B - Led lamp - Google Patents
Led lamp Download PDFInfo
- Publication number
- CN104791722B CN104791722B CN201510118052.3A CN201510118052A CN104791722B CN 104791722 B CN104791722 B CN 104791722B CN 201510118052 A CN201510118052 A CN 201510118052A CN 104791722 B CN104791722 B CN 104791722B
- Authority
- CN
- China
- Prior art keywords
- lamp bead
- circuit
- aluminum substrate
- load
- power circuit
- 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.)
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Classifications
-
- 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
- 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
- F21V23/004—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 arranged on a substrate, e.g. a printed circuit board
- F21V23/005—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 arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
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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]
Abstract
The present invention relates to a kind of LED light, including：Lamp housing, power circuit, aluminum substrate, the illumination lamp bead being set on the aluminum substrate, the output end of the power circuit is connect with the aluminum substrate, the lamp housing accommodates the aluminum substrate, the illumination lamp bead and the power circuit, the LED lamp further includes at least one load lamp bead, and the load lamp bead, which is connected in itself circuit of the power circuit, is used as dump load.Above-mentioned LED lamp is used as the load lamp bead of dump load by least one be connected in itself circuit of power circuit, it avoids and scintillation occurs because using traditional silicon controlled dimmer for light control, the luminous energy that fever can not only be reduced simultaneously, and load lamp bead conversion is additionally operable to play illuminating effect together with illumination lamp bead simultaneously.
Description
Technical field
The present invention relates to a kind of illuminators, more particularly to a kind of LED lamp.
Background technology
Before LED technology extensive use, the lamps and lanterns such as tengsten lamp, energy-saving lamp, fluorescent lamp are used in the market.Such lamp
Tool is not configured to the driving device of light modulation.
Raising with people to lighting demand, many fields and place need the parameters such as brightness or colour temperature to light into
Row is adjusted.For this purpose, there is dimmer switch, the light adjusting circuit of dimmer switch is connected in lamps and lanterns circuit, passes through light adjusting circuit pair
Voltage signal in supply line is controlled, to realize the brightness of lamps and lanterns and the adjusting of colour temperature.
However, with the maturation of LED light technology, the advantageous features such as fever is small, power consumption is low make LED light obtain quickly
And it is widely applied.However, electric current needed for the low LED light of power consumption decimal when electric current needed for the conventional lamp of equivalent brightness
Times, although station is from the perspective of electric power resource, this is an advantageous face, in the field that needs dim, uses LED light instead
Afterwards, smaller in LED light power, or adjust to brightness it is relatively low when, loop current is than the electric current under conventional lamp square one
Small is too many, even less than the maintenance operating current of electronic element, and eventually leading to light adjusting circuit can not work, and cause LED light
Job insecurity.
Invention content
Based on this, it is necessary to it is more stable and be applicable in the LED lamp of traditional light adjusting circuit to provide a kind of performance.
A kind of LED lamp, including：Lamp housing, power circuit, aluminum substrate, the illumination lamp bead being set on the aluminum substrate, institute
The output end for stating power circuit is connect with the aluminum substrate, and the lamp housing accommodates the aluminum substrate, the illumination lamp bead and described
Power circuit, the LED lamp further include at least one load lamp bead, and the load lamp bead is connected to oneself of the power circuit
Dump load is used as in body circuit.
The power circuit is independently arranged with the aluminum substrate in one of the embodiments, the load lamp bead setting
In on the circuit board where the power circuit.
The power circuit is set on the aluminum substrate in one of the embodiments, and the load lamp bead is also provided with
In on the aluminum substrate.
The illumination lamp bead and the load lamp bead are located at the same table of the aluminum substrate in one of the embodiments,
Face.
The illumination lamp bead, the load lamp bead and the power circuit are located at described in one of the embodiments,
The same surface of aluminum substrate.
The power circuit includes leadage circuit, rectifying full bridge and driving circuit in one of the embodiments, described
Leadage circuit includes the load lamp bead, it is described load lamp bead positive and negative anodes respectively with the direct current positive output end of the rectifying full bridge
It is connected with the driving circuit；The driving circuit is connect with the direct current negative output terminal of the rectifying full bridge, the driving circuit
It is connect with the illumination lamp bead.
The driving circuit is for receiving the electric signal after rectifying full bridge rectification in one of the embodiments, and drives
The illumination lamp bead work.
A kind of LED lamp provided by the invention, by it is at least one be connected to be used as in itself circuit of power circuit let out
The load lamp bead for putting load, avoids and scintillation occurs because using traditional silicon controlled dimmer for light control, while as letting out
The load lamp bead for putting load converts most of electric energy to luminous energy, and only fraction electric energy is converted into thermal energy so that LED lamp is sent out
Heat is smaller, ensures the service life of LED lamp.
When the load lamp bead and coplanar illumination lamp bead as dump load, leakage current generates luminous energy and not only avoids
The flicker of lamp bead is illuminated, while additionally providing illuminating effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the LED lamp of one embodiment of the invention；
Fig. 2 is the circuit diagram that traditional controllable silicon dimmer is connect with LED light；
Fig. 3 is the circuit diagram that controllable silicon dimmer is connect with the power circuit in LED lamp shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the LED lamp of further embodiment of this invention.
Specific implementation mode
As shown in Figure 1, its structural schematic diagram for the LED lamp 10 of one embodiment of the invention.LED lamp 10 includes：Lamp
Shell 110, power circuit 150, aluminum substrate 120, at least one load lamp bead 140 and the headlamp being set on aluminum substrate 120
The output end of pearl 130, power circuit 150 is connect with aluminum substrate 120, the first conducting wire 151 and second drawn from power circuit 150
Conducting wire 152 is connect with aluminum substrate 120.Lamp housing 110 accommodates aluminum substrate 120, illumination lamp bead 130 and power circuit 150, loads lamp bead
140 are connected in itself circuit of power circuit 150 as dump load.
In the present embodiment, power circuit 150 is independently arranged with aluminum substrate 120, and load lamp bead 140 is set to power circuit
On circuit board where 150.
As shown in Fig. 2, it is the circuit diagram that traditional controllable silicon dimmer 20 is connect with LED lamp bead 250.
When the electric current for flowing through LED lamp bead 250 is smaller, the brightness of LED lamp bead 250 is relatively low, and bidirectional triode thyristor 210 is caused to close
It is disconnected.In turn, the electric current that zero line 201 and zero line side 202 input charges to capacitance 240, when the voltage at 240 both ends of capacitance reaches double
To diac 220 triggering and conducting voltage when, bidirectional trigger diode 220 be connected so that bidirectional triode thyristor 210 is led again
Logical, LED lamp bead 250 brightens, however, the electric current for then flowing through LED lamp bead 250 is less than the maintenance electric current of bidirectional triode thyristor 210, leads
It causes bidirectional triode thyristor 210 to turn off again, LED lamp bead 250 is caused to extinguish.So cycle so that it is existing that flicker occurs for LED lamp bead 250
As.
In order to avoid LED lamp bead 250 flickers, need to ensure to flow through bidirectional triode thyristor 210 after bidirectional triode thyristor 210 is connected
Electric current not less than its maintain electric current.As shown in figure 3, controllable silicon dimmer 20 is connect with the power circuit 150 in LED lamp 10
Circuit diagram, the power circuit 150 in LED lamp 10 includes leadage circuit 310, rectifying full bridge 320 and driving circuit 330,
For example, driving circuit 330 is LED drive chip.Leadage circuit 310 includes load lamp bead 140, loads the positive and negative anodes of lamp bead 140
It is connect respectively with the direct current positive output end of rectifying full bridge 320 and driving circuit 330, driving circuit 330 is straight with rectifying full bridge 320
Negative output terminal connection is flowed, driving circuit 330 is connect with several concatenated illumination lamp beads 130.Traditional leadage circuit is used and is let out
Electric discharge resistance and the concatenated mode of capacitance of releasing, and the leadage circuit 310 of power circuit 150 is using load lamp bead in LED lamp 10
140, since load lamp bead 140 can convert 90% or so power consumption to luminous energy, only 10% or so power consumption is converted into heat
Can, for the bleeder resistance of purely resistive element, reduce the calorific value of LED lamp 10, ensures the use of LED lamp 10
Service life and job stability.
As shown in figure 4, its structural schematic diagram for the LED lamp 40 of further embodiment of this invention.LED lamp 40 and LED
Lamps and lanterns 10 the difference is that, the power circuit 450 in LED lamp 40 is set on aluminum substrate 420, load lamp bead 440
It is set on aluminum substrate 420.Illumination lamp bead 430 and load lamp bead 140 are located at the same surface of aluminum substrate 120.In this way, can not only
It is additionally operable to play illuminating effect together with illumination lamp bead 430 while reducing fever, and load 440 leakage current of lamp bead.Its
In his embodiment, load at least one of lamp bead 440 and power circuit 450 are located on aluminum substrate 420 and illumination lamp bead 430
Different surfaces.
A kind of LED lamp provided by the invention, by it is at least one be connected to be used as in itself circuit of power circuit let out
The load lamp bead for putting load, avoids and scintillation occurs because using traditional silicon controlled dimmer for light control, while can not only
The luminous energy for reducing fever, and loading lamp bead conversion is additionally operable to play illuminating effect together with illumination lamp bead simultaneously.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, 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, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, 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 the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of LED lamp, including：Lamp housing, power circuit, aluminum substrate, the illumination lamp bead being set on the aluminum substrate, it is described
The output end of power circuit is connect with the aluminum substrate, and the lamp housing accommodates the aluminum substrate, the illumination lamp bead and the electricity
Source circuit, which is characterized in that the power circuit includes leadage circuit, rectifying full bridge and driving circuit, the leadage circuit
Including loading lamp bead, the positive and negative anodes of the load lamp bead are electric with the direct current positive output end of the rectifying full bridge and the driving respectively
Road connects, and the driving circuit is connect with the direct current negative output terminal of the rectifying full bridge, the driving circuit and the headlamp
Pearl connects, and the load lamp bead, which is connected in itself circuit of the power circuit, is used as dump load.
2. LED lamp according to claim 1, which is characterized in that the power circuit is independently arranged with the aluminum substrate,
On the circuit board loaded where lamp bead is set to the power circuit.
3. LED lamp according to claim 1, which is characterized in that the power circuit is set on the aluminum substrate, institute
Load lamp bead is stated to be also disposed on the aluminum substrate.
4. LED lamp according to claim 3, which is characterized in that the illumination lamp bead and the load lamp bead are located at institute
State the same surface of aluminum substrate.
5. LED lamp according to claim 3, which is characterized in that the illumination lamp bead, the load lamp bead and described
Power circuit is located at the same surface of the aluminum substrate.
6. LED lamp according to claim 1, which is characterized in that the driving circuit is for receiving rectifying full bridge rectification
Electric signal afterwards, and the illumination lamp bead is driven to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118052.3A CN104791722B (en) | 2015-03-17 | 2015-03-17 | Led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118052.3A CN104791722B (en) | 2015-03-17 | 2015-03-17 | Led lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104791722A CN104791722A (en) | 2015-07-22 |
| CN104791722B true CN104791722B (en) | 2018-10-12 |
Family
ID=53556752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510118052.3A Active CN104791722B (en) | 2015-03-17 | 2015-03-17 | Led lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791722B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493933A (en) * | 2019-09-26 | 2019-11-22 | 青岛亿联客信息技术有限公司 | A kind of lighting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035128Y (en) * | 2007-04-20 | 2008-03-12 | 欧普特光电科技股份有限公司 | Fictitious load circuit arrangement |
| CN101404840A (en) * | 2008-11-04 | 2009-04-08 | 梁莉丽 | Two-wire system light-adjustable LED controller |
| CN201365362Y (en) * | 2008-12-17 | 2009-12-16 | 田俊 | Light-emitting diode illuminating lamp ballast circuit |
| CN202634758U (en) * | 2012-02-29 | 2012-12-26 | 苏州凯麒电子科技有限公司 | Intelligent current-maintaining circuit of LED SCR dimming power source |
| CN103179712A (en) * | 2011-12-23 | 2013-06-26 | 何曙光 | Negative resistance compensating circuit |
| CN104020377A (en) * | 2014-06-13 | 2014-09-03 | 成都芯源系统有限公司 | LED driving device, controller thereof and dimming mode detection method |
-
2015
- 2015-03-17 CN CN201510118052.3A patent/CN104791722B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201035128Y (en) * | 2007-04-20 | 2008-03-12 | 欧普特光电科技股份有限公司 | Fictitious load circuit arrangement |
| CN101404840A (en) * | 2008-11-04 | 2009-04-08 | 梁莉丽 | Two-wire system light-adjustable LED controller |
| CN201365362Y (en) * | 2008-12-17 | 2009-12-16 | 田俊 | Light-emitting diode illuminating lamp ballast circuit |
| CN103179712A (en) * | 2011-12-23 | 2013-06-26 | 何曙光 | Negative resistance compensating circuit |
| CN202634758U (en) * | 2012-02-29 | 2012-12-26 | 苏州凯麒电子科技有限公司 | Intelligent current-maintaining circuit of LED SCR dimming power source |
| CN104020377A (en) * | 2014-06-13 | 2014-09-03 | 成都芯源系统有限公司 | LED driving device, controller thereof and dimming mode detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104791722A (en) | 2015-07-22 |
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