CN107846754A - A kind of LED filament lamp of sectional light modulation - Google Patents
A kind of LED filament lamp of sectional light modulation Download PDFInfo
- Publication number
- CN107846754A CN107846754A CN201711199187.2A CN201711199187A CN107846754A CN 107846754 A CN107846754 A CN 107846754A CN 201711199187 A CN201711199187 A CN 201711199187A CN 107846754 A CN107846754 A CN 107846754A
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- China
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- pin
- light emitting
- power
- emitting sources
- filament lamp
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED filament lamp of sectional light modulation, including filament lamp body, filament lamp body includes LED light emitting sources and lamp holder, power drives plate is provided among lamp holder, control module is provided among power drives plate, LED light emitting sources are connected with control module, connect be transferred to the AC power of power drives plate every time, and control module, which changes, flows through the electric currents of LED light emitting sources so as to adjust the brightness of LED light emitting sources.The LED filament lamp can not only be applied among E14 specifications and E27 specifications, and can carry out the regulation of illumination brightness according to the demand of user, so as to meet the requirement of user.
Description
Technical field
The present invention relates to LED lamp field, especially a kind of LED filament lamp of sectional light modulation.
Background technology
LED filament lamp, with its 360 degree lighting angle and outstanding illumination brightness, usually it is applied to a variety of
Among occasion.LED filament lamp is mainly driven by the filament bar being installed on inside transparent outer cover and the constant current being installed on inside lamp holder
Source is formed.When the luminosity of LED filament lamp is constant, then constant current driving source only needs one group；If LED filament lamp
When brightness is can adjust, if desired for two sections of light modulations, then two groups of constant current driving sources are needed, when LED filament lamp 100% lights, two
Group constant current driving source works simultaneously, and when LED filament lamp 50% lights, only one of which constant current driving source is operated.
But existing LED filament lamp is often applied to E14 specifications or E27 specifications, and because the size of E14 specifications and E27 specifications limits
Make, two groups of constant current driving sources can not be installed inside lamp holder, therefore limit existing LED filament lamp to be dimmed,
So as to which the requirement that user is adjusted on light can not be met.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of LED filament lamp of sectional light modulation, can not only
Among E14 specifications and E27 specifications, and the regulation of illumination brightness can be carried out according to the demand of user, so as to full
The requirement of sufficient user.
Technical scheme is used by the present invention solves its problem：
A kind of LED filament lamp of sectional light modulation, including filament lamp body, filament lamp body include LED light emitting sources and should
For the lamp holder of E14 specifications or E27 specifications, the power drives plate for being installed on inside lamp holder, power supply are provided among lamp holder
The control module for being integrated with rectifier bridge and constant-current driven module is provided among driving plate, LED light emitting sources are connected with control module
Connect；Control module includes exchanging pin, for exporting dc source for the first exchange pin for connecting AC power and second
Direct current output pin, the direct current input pin for carrying out current reflux, for setting the first electric current of output current value to set
Put pin and the second electric current sets pin and drawn for the first constant current output pin of output constant current power supply and the second constant current output
Pin；The positive terminal of LED light emitting sources is connected to direct current output pin, and it is defeated that the negative pole ends of LED light emitting sources is connected to the first constant current
Go out pin and the second constant current output pin, the first electric current setting pin is connected to the second electric current and set by the first adjustment resistance to be drawn
Pin, the second electric current set the junction of pin and the first adjustment resistance to be connected to reference ground by the second adjustment resistance；Connect every time
The logical AC power for being transferred to power drives plate, control module, which changes, flows through the electric currents of LED light emitting sources so as to adjust LED light emitting sources
Brightness.
Further, LED light emitting sources are made up of the filament bar of one or more.
Further, lamp holder is additionally provided with the power connector end for connecting AC power, and power connector end is connected to
First exchange pin and the second exchange pin.
Further, power connector end includes first electrode piece and second electrode piece, and first electrode piece is arranged at lamp holder outer wall
And be in shape of threads, second electrode piece is arranged at the bottom of lamp holder, and first electrode piece and the second exchange pin are connected, second electrode
Piece and the first exchange pin are connected.
Further, control module is the integrated chip with SOP16 encapsulation or DIP16 encapsulation.
Further, control module also includes grounding pin, the first power supply for being connected to reference ground by filter capacitor
Pin and second source pin and the energization pins for providing working power for constant-current driven module；First exchange pin, the
Two exchange pins, direct current output pin and direct current input pin are connected with rectifier bridge respectively；First power pins, second source
Pin, grounding pin, energization pins, the first electric current set pin, the second electric current to set pin, the first constant current output pin and the
Two constant current output pins are connected with constant-current driven module respectively.
The beneficial effects of the invention are as follows：A kind of LED filament lamp of sectional light modulation, control module have been internally integrated rectifier bridge
And constant-current driven module, and control module is arranged among power drives plate, and power drives plate is then arranged on and is applied to E14
Among the lamp holder of specification or E27 specifications；Further, since the direct current output that the positive terminal of LED light emitting sources is connected to control module is drawn
Pin, and the negative pole end of LED light emitting sources is connected to the first constant current output pin and the second constant current output pin of control module,
And the first electric current of control module sets pin and the second electric current to set pin to have different resistance to earth values, therefore, when
When connection is transferred to the AC power of power drives plate every time, control module can all set pin and the second electricity according to the first electric current
Stream sets the resistance to earth value of pin and changes the electric current for flowing through LED light emitting sources so that flows through the first constant current output pin and the
The electric current of two constant current output pins changes, so that LED light emitting sources send different degrees of brightness every time, so as to realize
The function of sectional dimming.Therefore, LED filament lamp of the invention, can not only be applied among E14 specifications and E27 specifications, and
The regulation of illumination brightness can be carried out according to the demand of user, so as to meet the requirement of user.
Brief description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the LED filament lamp of the present invention；
Fig. 2 is the cut-away view of control module；
Fig. 3 is the circuit theory diagrams of the LED filament lamp of the present invention.
Embodiment
Reference picture 1- Fig. 3, a kind of LED filament lamp of sectional of the invention light modulation, including filament lamp body 1, filament lamp
Body 1 includes LED light emitting sources 2 and the lamp holder 3 applied to E14 specifications or E27 specifications, is provided among lamp holder 3 for being installed on
Power drives plate inside lamp holder 3, the control for being integrated with rectifier bridge 34 and constant-current driven module 35 is provided among power drives plate
Molding block 31, LED light emitting sources 2 are connected with control module 31；Control module 31 includes being used for the first friendship for connecting AC power
Stream pin IN+ and second exchanges pin IN-, the direct current output pin OUT+ for exporting dc source, returned for carrying out electric current
The direct current input pin OUT- of stream, the first electric current setting pin CS1 for setting output current value and the second electric current set and drawn
Pin CS2 and the first constant current output pin OUT1 and the second constant current output pin OUT2 for output constant current power supply；LED light emitting sources
The negative pole end that 2 positive terminal is connected to direct current output pin OUT+, LED light emitting source 2 is connected to the first constant current output pin
OUT1 and the second constant current output pin OUT2, the first electric current set pin CS1 to be connected to the second electricity by the first adjustment resistance R1
Stream sets pin CS2, and the second electric current sets the adjustment resistance of pin CS2 and first R1 junction to connect by the second adjustment resistance R2
It is connected to reference ground；The AC power for being transferred to power drives plate is connected every time, and control module 31, which changes, flows through LED light emitting sources 2
Electric current is so as to adjusting the brightness of LED light emitting sources 2.Specifically, control module 31 has been internally integrated rectifier bridge 34 and constant current driving mould
Block 35, and control module 31 is arranged among power drives plate, and power drives plate is then arranged on applied to E14 specifications or
Among the lamp holder of E27 specifications；Further, since the positive terminal of LED light emitting sources 2 is connected to the direct current output pin of control module 31
OUT+, and the negative pole end of LED light emitting sources 2 is connected to the first constant current output pin OUT1 and the second constant current of control module 31
Output pin OUT2, and the first electric current of control module 31 sets pin CS1 and the second electric current to set pin CS2 to have difference
Resistance to earth value, therefore, when each connection is transferred to the AC power of power drives plate, control module 31 all can be according to the
One electric current sets pin CS1 and the second electric current sets pin CS2 resistance to earth value and changes the electric current for flowing through LED light emitting sources 2,
So that the electric current for flowing through the first constant current output pin OUT1 and the second constant current output pin OUT2 changes, so that LED
Light emitting source 2 sends different degrees of brightness every time, so as to realize the function of sectional dimming.Therefore, LED filament lamp of the invention,
It can not only be applied among E14 specifications and E27 specifications, and the tune of illumination brightness can be carried out according to the demand of user
Section, so as to meet the requirement of user.
Wherein, reference picture 1- Fig. 3, LED light emitting source 2 is made up of the filament bar of one or more.Specifically, multiple filaments
Bar can form LED light emitting sources 2 by way of series, parallel or series hybrid are in parallel, however, multiple filament bars are with which kind of
Mode forms LED light emitting sources 2, and LED light emitting sources 2 all have a positive terminal and a negative pole end, due to LED light emitting sources 2 just
The extreme negative pole end for being connected to direct current output pin OUT+, LED light emitting source 2 be connected to the first constant current output pin OUT1 and
Second constant current output pin OUT2, therefore, when first switching on LED filament lamp, the first constant current output pin OUT1 and second
Constant current output pin OUT2 is both turned on, now maximum by the electric current of LED light emitting sources 2, therefore LED light emitting sources 2 being capable of 100% hair
Light；When after closing and when being again switched on LED filament lamp, the first constant current output pin OUT1 ends, the second constant current output pin
OUT2 is turned on, and now only the 50% of maximum current is by LED light emitting sources 2, therefore LED light emitting sources 2 are merely able to 50% and lighted；When
When after being again switched off and connecting LED filament lamp, the first constant current output pin OUT1 and the second constant current output pin OUT2 are turned off,
It is now zero by the electric current of LED light emitting sources 2, therefore LED light emitting sources 2 do not light.So by opening and closing LED filament
Lamp, three section type light regulating can be carried out to LED filament lamp, so as to realize the function of the sectional dimming to LED filament lamp.
Wherein, reference picture 1- Fig. 3, lamp holder 3 are additionally provided with the power connector end for connecting AC power, power supply connection
End is connected to the exchange pins of the first exchange pin IN+ and second IN-.Power connector end includes first electrode piece 32 and the
Two electrode slices 33, first electrode piece 32 are arranged at the outer wall of lamp holder 3 and are in shape of threads, and second electrode piece 33 is arranged at the bottom of lamp holder 3
Portion, first electrode piece 32 exchange pin IN- with second and are connected, and second electrode piece 33 exchanges pin IN+ with first and is connected.
Specifically, the first electrode piece 32 in shape of threads and the second electrode piece 33 for being arranged at the bottom of lamp holder 3, can meet general
The lamp socket of E14 specifications and E27 specifications, so as to improve the versatility and practicality of the LED filament lamp of the present invention.
Wherein, reference picture 1- Fig. 3, control module 31 are the integrated chip with SOP16 encapsulation or DIP16 encapsulation.Specifically
Ground, conventional rectifier bridge is encapsulated as MBS encapsulation, MBM encapsulation and MBF encapsulation etc., and the encapsulation of conventional constant-current driven module
For SOP8 encapsulation or DIP8 encapsulation, therefore, under normal circumstances, the circuit being made up of rectifier bridge and constant-current driven module can account for larger
Space and area, so as to which the requirement of the size of E14 specifications or E27 specifications can not be met.And institute among the LED filament lamp of the present invention
The control module 31 used, there is conventional SOP16 encapsulation or DIP16 encapsulation, therefore, set among LED filament lamp of the invention
The power drives plate of control module 31 is equipped with, relative to the combination of traditional rectifier bridge and constant-current driven module, there is occupancy face
The characteristics of product is smaller, so that the LED filament lamp of the present invention can be applied to E14 specifications or E27 specifications.
Wherein, reference picture 1- Fig. 3, control module 31 also include grounding pin GND, for being connected to by filter capacitor
The the first power pins VCC and second source pin VDD of reference ground and for providing working power for constant-current driven module 35
Energization pins VIN；First exchange pin IN+, the second exchange pin IN-, direct current output pin OUT+ and direct current input pin
OUT- is connected with rectifier bridge 34 respectively；First power pins VCC, second source pin VDD, grounding pin GND, power supply are drawn
Pin VIN, the first electric current set pin CS1, the second electric current to set pin CS2, the first constant current output pin OUT1 and the second constant current
Output pin OUT2 is connected with constant-current driven module 35 respectively.
Specifically, reference picture 1- Fig. 3, the power drives plate of control module 31 is provided with, its specific circuit structure is：
First exchange pin IN+ and the second exchange pin IN- are connected with the two poles of the earth of AC power respectively, the positive pole of LED light emitting sources 2
End is connected with direct current output pin OUT+, the negative pole ends of LED light emitting sources 2 respectively with the first constant current output pin OUT1 and second
Constant current output pin OUT2 is connected, and direct current output pin OUT+ is connected to energization pins VIN, the first electricity by a current-limiting resistance
Source pin VCC and second source pin VDD is connected to reference ground by a filter capacitor respectively, and the first electric current sets pin
CS1 is connected to the second electric current by the first adjustment resistance R1 and sets pin CS2, and the second electric current sets the adjustment of pin CS2 and first
Resistance R1 junction is connected to GND points of reference ground, direct current input pin OUT- and grounding pin by the second adjustment resistance R2
It is not connected with reference ground.Therefore, based on above-mentioned circuit structure, when each connection exchanges pin IN+ and the with first respectively
During the AC power that two exchange pin IN- are connected, constant-current driven module 35 can be according to the first adjustment resistance R1 and the second adjustment
Resistance R2 resistance and change the current value for flowing through the first constant current output pin OUT1 and the second constant current output pin OUT2, so as to
LED light emitting sources 2 are enabled to send different degrees of brightness according to different current values.It is in addition, electric when changing the first adjustment
The adjustment resistance of R1 and second R2 resistance is hindered, enables to the luminous degree of LED light emitting sources 2 to be not limited to 100% and 50%, such as
The adjustment of adjustment resistance R1 and second of adjustment first resistance R2 resistance so that the first adjustment resistance R1 and the second adjustment resistance R2 into
Certain ratio, such as 1/3 or 1/4, the luminous degree that can make LED light emitting sources 2 is 30% or 25% etc., so as to meet
Requirement of the user to different luminosity, so as to effectively realize the effect of sectional dimming.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited in above-mentioned embodiment party
Formula, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (6)
- A kind of 1. LED filament lamp of sectional light modulation, it is characterised in that：Including filament lamp body (1), the filament lamp body (1) include LED light emitting sources (2) and applied to the lamp holder of E14 specifications or E27 specifications (3), use is provided among the lamp holder (3) In being installed on the internal power drives plate of the lamp holder (3), it is provided among the power drives plate and is integrated with rectifier bridge (34) With the control module (31) of constant-current driven module (35), the LED light emitting sources (2) are connected with the control module (31)；Institute Stating control module (31) includes being used for the first exchange pin (IN+) for connecting AC power and the second exchange pin (IN-), uses In the direct current output pin (OUT+) of output dc source, the direct current input pin (OUT-) for carrying out current reflux, it is used for The first electric current of output current value is set to set pin (CS1) and the second electric current that pin (CS2) is set and for output constant current electricity The first constant current output pin (OUT1) and the second constant current output pin (OUT2) in source；The positive terminal of the LED light emitting sources (2) connects The direct current output pin (OUT+) is connected to, the negative pole end of the LED light emitting sources (2) is connected to first constant current output Pin (OUT1) and the second constant current output pin (OUT2), first electric current set pin (CS1) to pass through the first adjustment resistance (R1) it is connected to second electric current and pin (CS2) is set, second electric current sets pin (CS2) and the first adjustment resistance (R1) junction is connected to reference ground by the second adjustment resistance (R2)；The friendship for being transferred to the power drives plate is connected every time Flow power supply, the control module (31), which changes, flows through the electric currents of the LED light emitting sources (2) so as to adjust the LED light emitting sources (2) Brightness.
- A kind of 2. LED filament lamp of sectional light modulation according to claim 1, it is characterised in that：The LED light emitting sources (2) it is made up of the filament bar of one or more.
- A kind of 3. LED filament lamp of sectional light modulation according to claim 1, it is characterised in that：The lamp holder (3) also sets The power connector end for connecting AC power is equipped with, the power connector end is connected to the first exchange pin (IN +) with second exchange pin (IN-).
- A kind of 4. LED filament lamp of sectional light modulation according to claim 3, it is characterised in that：The power connector end Including first electrode piece (32) and second electrode piece (33), the first electrode piece (32) is arranged at the lamp holder (3) outer wall simultaneously In shape of threads, the second electrode piece (33) is arranged at the bottom of the lamp holder (3), the first electrode piece (32) and described Two exchange pins (IN-) are connected, and the second electrode piece (33) exchanges pin (IN+) with described first and is connected.
- A kind of 5. LED filament lamp of sectional light modulation according to claim 1, it is characterised in that：The control module (31) it is the integrated chip with SOP16 encapsulation or DIP16 encapsulation.
- A kind of 6. LED filament lamp of sectional light modulation according to claim 1, it is characterised in that：The control module (31) grounding pin (GND), the first power pins (VCC) and second for being connected to reference ground by filter capacitor are also included Power pins (VDD) and the energization pins (VIN) for providing working power for the constant-current driven module (35)；Described first Exchange pin (IN+), the second exchange pin (IN-), direct current output pin (OUT+) and direct current input pin (OUT-) respectively It is connected with the rectifier bridge (34)；First power pins (VCC), second source pin (VDD), grounding pin (GND), Energization pins (VIN), the first electric current set pin (CS1), the second electric current to set pin (CS2), the first constant current output pin (OUT1) it is connected respectively with the constant-current driven module (35) with the second constant current output pin (OUT2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199187.2A CN107846754A (en) | 2017-11-23 | 2017-11-23 | A kind of LED filament lamp of sectional light modulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199187.2A CN107846754A (en) | 2017-11-23 | 2017-11-23 | A kind of LED filament lamp of sectional light modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107846754A true CN107846754A (en) | 2018-03-27 |
Family
ID=61680357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711199187.2A Withdrawn CN107846754A (en) | 2017-11-23 | 2017-11-23 | A kind of LED filament lamp of sectional light modulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107846754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11739885B2 (en) | 2019-07-26 | 2023-08-29 | Signify Holding B.V. | LED filament arrangement |
-
2017
- 2017-11-23 CN CN201711199187.2A patent/CN107846754A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11739885B2 (en) | 2019-07-26 | 2023-08-29 | Signify Holding B.V. | LED filament arrangement |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180327 |
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| WW01 | Invention patent application withdrawn after publication |