CN107975689A - A kind of LED filament lamp of variable color-temperature - Google Patents
A kind of LED filament lamp of variable color-temperature Download PDFInfo
- Publication number
- CN107975689A CN107975689A CN201711182743.5A CN201711182743A CN107975689A CN 107975689 A CN107975689 A CN 107975689A CN 201711182743 A CN201711182743 A CN 201711182743A CN 107975689 A CN107975689 A CN 107975689A
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- China
- Prior art keywords
- filament
- pin
- power
- lamp
- control module
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- 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
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- 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
- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED filament lamp of variable color-temperature, including filament lamp body, filament lamp body includes double-colored light source and lamp cap, double-colored light source includes just white filament and warm white filament, lamp cap includes power drives plate and power connector end, input port, output port and the control module for being integrated with rectifier bridge and constant-current driven module are provided among power drives plate, power connector end is connected with control module, and just white filament and warm white filament parallel are simultaneously connected with control module；The AC power for being transferred to power connector end is connected every time, and control module changes the electric current for flowing through just white filament and warm white filament so as to the just white filament of on and off and warm white filament.The LED filament lamp, can not only be applied among E14 specifications and E27 specifications, and can carry out the adjusting of colour temperature 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, the LED filament lamp of especially a kind of variable color-temperature.
Background technology
LED filament lamp, with its 360 degree light emitting angle and outstanding illumination brightness, is usually 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 cap
Source is formed.When LED filament lamp shines for monochrome, then filament lamp and constant current driving source only need one group；If LED filament
When lamp is variable color-temperature, then two groups of filament lamps and constant current driving source are needed.But existing LED filament lamp is often applied to E14 and advises
Lattice or E27 specifications, and since the size of E14 specifications and E27 specifications limits, two groups of constant current drivings can not be installed inside lamp cap
Source, therefore limit existing LED filament lamp and be merely able to be monochromatic luminous, when user needs to carry out colour temperature adjusting to light,
Existing LED filament lamp can not meet the requirement of user.
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 variable color-temperature, can not only answer
Among E14 specifications and E27 specifications, and the adjusting of colour temperature can be carried out according to the demand of user, so as to meet user
Requirement.
Technical solution is used by the present invention solves the problems, such as it：
A kind of LED filament lamp of variable color-temperature, including filament lamp body, filament lamp body include double-colored light source and are applied to
The lamp cap of E14 specifications or E27 specifications, double-colored light source include just white filament and warm white filament, and lamp cap includes being installed on inside lamp cap
Power drives plate and be arranged at and be used for the power connector end for connecting AC power outside lamp cap, be provided among power drives plate
Input port, output port and the control module for being integrated with rectifier bridge and constant-current driven module, power connector end are driven by power supply
The input port of movable plate is connected with control module, and just white filament and warm white filament parallel simultaneously pass through the output terminal of power drives plate
Mouth is connected with control module；The AC power for being transferred to power connector end is connected every time, and control module, which changes, flows through just white lamp
The electric current of silk and warm white filament is so as to the just white filament of on and off and warm white filament.
Further, the quantity of just white filament and warm white filament is one or more, the just white filament of one or more and one
A or more warm white filament connects bunchiness respectively.
Further, power connector end includes first electrode piece and second electrode piece, and first electrode piece is arranged at lamp cap outer wall
And be in shape of threads, second electrode piece is arranged at the bottom of lamp cap.
Further, control module is the integrated chip with SOP16 encapsulation or DIP16 encapsulation.
Further, control module includes being used for the first exchange pin for connecting AC power and the second exchange pin, is used for
Export the direct current output pin of DC power supply, the direct current input pin for carrying out current reflux, be connected to by filter capacitor
The first power pins and second source pin of reference ground, grounding pin, for providing working power for constant-current driven module
Energization pins, the first electric current setting pin for setting output current value and the second electric current set pin and for output constant current
The the first constant current output pin and the second constant current output pin of power supply；First exchange pin, the second exchange pin, direct current output are drawn
Foot and direct current input pin are connected with rectifier bridge respectively；First power pins, second source pin, grounding pin, power supply are drawn
Foot, the first electric current set pin, the second electric current set pin, the first constant current output pin and the second constant current output pin respectively with
Constant-current driven module is connected.
The beneficial effects of the invention are as follows：A kind of LED filament lamp of variable color-temperature, control module be internally integrated rectifier bridge and
Constant-current driven module, and control module is arranged among power drives plate, and power drives plate is then installed on and is applied to E14 rule
Among lattice or the lamp cap of E27 specifications, further, since just white filament and warm white filament parallel and passing through the output terminal of power drives plate
Mouth is connected with control module, and when each connection is transferred to the AC power of power connector end, control module can all change
Become the electric current for flowing through just white filament and warm white filament, so that the just white filament of on and off and warm white filament, therefore, pass through unlatching
During with the LED filament lamp for closing the present invention, just white filament and warm white filament alternately shine or shine jointly, so as to fulfill adjusting
The function of colour temperature.Therefore, LED filament lamp of the invention, can not only be applied among E14 specifications and E27 specifications, and can
The adjusting of colour temperature is 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 diagram of the LED filament lamp of the present invention.
Embodiment
With reference to Fig. 1-Fig. 3, a kind of LED filament lamp of variable color-temperature of the invention, including filament lamp body 1, filament lamp sheet
Body 1 includes double-colored light source 2 and the lamp cap 3 applied to E14 specifications or E27 specifications, and double-colored light source 2 includes just white filament 21 and warm white
Filament 22, lamp cap 3 include the power drives plate being installed on inside lamp cap 3 and are arranged at the outside of lamp cap 3 for connecting AC power
Power connector end, be provided with input port, output port among power drives plate and be integrated with rectifier bridge 34 and driven with constant current
The control module 31 of module 35, power connector end are connected by the input port of power drives plate with control module 31, just in vain
Filament 21 and the parallel connection of warm white filament 22 are simultaneously connected by the output port of power drives plate with control module 31；Connect and pass every time
The AC power of power connector end is defeated by, control module 31 changes the electric current for flowing through just white filament 21 and warm white filament 22 so as to lead
Logical or the just white filament 21 of closing and warm white filament 22.Specifically, control module 31 has been internally integrated rectifier bridge 34 and constant current driving
Module 35, and control module 31 is arranged among power drives plate, and power drives plate is then installed on applied to E14 specifications or
Among the lamp cap 3 of E27 specifications, further, since just white filament 21 and warm white filament 22 are in parallel and pass through the output of power drives plate
Port is connected with control module 31, and when each connection is transferred to the AC power of power connector end, control module 31
The electric current for flowing through just white filament 21 and warm white filament 22 will be changed, so that the just white filament 21 of on and off and warm white filament
22, therefore, during LED filament lamp by opening and closing the present invention, just white filament 21 and warm white filament 22 alternately shine or
It is common to shine, so as to fulfill the function of colour temperature is adjusted.Therefore, LED filament lamp of the invention, can not only be applied to E14 specifications
Among E27 specifications, and the adjusting of colour temperature can be carried out according to the demand of user, so as to meet the requirement of user.
Wherein, with reference to Fig. 1-Fig. 3, the quantity of just white filament 21 and warm white filament 22 is one or more, one or more
Just white filament 21 and the warm white filament 22 of one or more connect bunchiness respectively.Specifically, phase between multiple just white filaments 21
Mutually connect, be serially connected between multiple warm white filaments 22, and carried out between just white filament 21 and warm white filament 22 in parallel.Therefore,
Just white filament 21 and warm white filament 22 can preferably improve the luminous degree of the LED filament lamp of the present invention.And just white filament 21
It is connected in parallel with warm white filament 22, therefore just white filament 21 and warm white filament 22 are separate, do not interfere with each other, so as to be pair
LED filament lamp carries out colour temperature adjusting and provides necessary condition.
Wherein, first electrode piece 32 and second electrode piece 33, first electrode piece are included with reference to Fig. 1-Fig. 3, power connector end
32 are arranged at 3 outer wall of lamp cap and are in shape of threads, and second electrode piece 33 is arranged at the bottom of lamp cap 3.Specifically, in the of shape of threads
One electrode slice 32 and the second electrode piece 33 for being arranged at 3 bottom of lamp cap, can meet the lamp of general E14 specifications and E27 specifications
Seat, so as to improve the versatility and practicality of the LED filament lamp of the present invention.
Wherein, with reference to Fig. 1-Fig. 3, control module 31 is the integrated chip with SOP16 encapsulation or DIP16 encapsulation.Specifically
Ground, common rectifier bridge are encapsulated as MBS encapsulation, MBM encapsulation and MBF encapsulation etc., and the encapsulation of common constant-current driven module
For SOP8 encapsulation or DIP8 encapsulation, therefore, under normal circumstances, the circuit being made of rectifier bridge and constant-current driven module can account for larger
Space and area, so as to cannot meet the size requirement of E14 specifications or E27 specifications.And institute among the LED filament lamp of the present invention
The control module 31 used, has common SOP16 encapsulation or DIP16 encapsulation, therefore, is 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 smaller, so that the LED filament lamp of the present invention can be suitable for E14 specifications or E27 specifications.
Wherein, with reference to Fig. 1-Fig. 3, control module 31 includes being used for the first exchange pin IN+ for connecting AC power and the
Two exchange pin IN-, the direct current output pin OUT+ for exporting DC power supply, the direct current input for carrying out current reflux are drawn
Foot OUT-, the first power pins VCC and second source pin VDD, grounding pin for being connected to by filter capacitor reference ground
GND, the energization pins VIN for providing working power for constant-current driven module 35, the first electricity for setting output current value
Stream set pin CS1 and the second electric current set pin CS2 and the first constant current output pin OUT1 for output constant current power supply and
Second constant current output pin OUT2；First exchange pin IN+, the second exchange pin IN-, direct current output pin OUT+ and direct current are defeated
Enter pin OUT- respectively with rectifier bridge 34 to be connected；First power pins VCC, second source pin VDD, grounding pin GND, confession
Electric 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 second
Constant current output pin OUT2 is connected with constant-current driven module 35 respectively.
Specifically, reference Fig. 1-Fig. 3, is provided with the power drives plate of control module 31, its specific circuit structure is：The
One exchange pin IN+ and the second exchange pin IN- are connected with the two poles of the earth of AC power respectively, are series at together just white respectively
The positive terminal of filament 21 and warm white filament 22 is connected with direct current output pin OUT+, is series at just white filament 21 together
Negative pole end is connected with the first constant current output pin OUT1, and negative pole end and the second constant current for being series at warm white filament 22 together are defeated
Go out pin OUT2 to be connected, direct current output pin OUT+ is connected to energization pins VIN, the first power pins by a current-limiting resistance
VCC and second source pin VDD is connected to reference ground by a filter capacitor respectively, and the first electric current sets pin CS1 and the
Two electric currents set pin CS2 to be connected to reference ground by the adjustment resistance of different resistance values respectively, direct current input pin OUT- and connect
Ground pin GND is connected with reference ground respectively.Therefore, based on above-mentioned circuit structure, when each connection is exchanged with first respectively
During the AC power that the exchanges of pin IN+ and second pin IN- is connected, constant-current driven module 35 can be according to the resistance value of adjustment 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 that just white filament
21 and warm white filament 22 can be turned on and off under the action of different current values, adjust colour temperature so as to effectively realize
Effect.
When the LED filament lamp of the variable color-temperature using the present invention, when opening connection LED filament lamp for the first time, just white lamp
Silk 21 can shine, and warm white filament 22 can then extinguish；Second opens when connecting LED filament lamp, and warm white filament 22 can be into
Row shines, and just white filament 21 can then extinguish；When third time, which is opened, connects LED filament lamp, just white filament 21 and warm white filament
22 can shine at the same time, and light at this time is neutral light.Therefore, LED filament lamp of the invention, can according to the demand of user and into
The adjusting of row colour temperature, so as to meet the requirement of user.
Above is the preferable of the present invention is implemented to be 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 (5)
- A kind of 1. LED filament lamp of variable color-temperature, it is characterised in that：Including filament lamp body (1), the filament lamp body (1) Include just white filament including double-colored light source (2) and applied to the lamp cap of E14 specifications or E27 specifications (3), the double-colored light source (2) (21) include being installed on the internal power drives plate of the lamp cap (3) and be arranged at institute with warm white filament (22), the lamp cap (3) State and be used for the power connector end for connecting AC power outside lamp cap (3), input port, defeated is provided among the power drives plate Exit port and the control module (31) for being integrated with rectifier bridge (34) and constant-current driven module (35), the power connector end pass through institute The input port for stating power drives plate is connected with the control module (31), the just white filament (21) and warm white filament (22) Parallel connection is simultaneously connected by the output port of the power drives plate with the control module (31)；Connect every time described in being transferred to The AC power of power connector end, the control module (31), which changes, flows through the just white filament (21) and warm white filament (22) Electric current is so as to just white filament (21) and warm white filament (22) described on and off.
- A kind of 2. LED filament lamp of variable color-temperature according to claim 1, it is characterised in that：The just white filament (21) Quantity with warm white filament (22) is one or more, the just white filament (21) of one or more and the warm white lamp of one or more Silk (22) connects bunchiness respectively.
- A kind of 3. LED filament lamp of variable color-temperature according to claim 1, it is characterised in that：The power connector end bag First electrode piece (32) and second electrode piece (33) are included, the first electrode piece (32) is arranged at the lamp cap (3) outer wall and is in Shape of threads, the second electrode piece (33) are arranged at the bottom of the lamp cap (3).
- A kind of 4. LED filament lamp of variable color-temperature according to claim 1, it is characterised in that：The control module (31) For the integrated chip with SOP16 encapsulation or DIP16 encapsulation.
- A kind of 5. LED filament lamp of variable color-temperature according to claim 4, it is characterised in that：The control module (31) Pin (IN-) is exchanged including the first exchange pin (IN+) and second for connecting AC power, for exporting DC power supply Direct current output pin (OUT+), the direct current input pin (OUT-) for carrying out current reflux, by filter capacitor be connected to ginseng Examine ground the first power pins (VCC) and second source pin (VDD), grounding pin (GND), for for the constant current drive mould Block (35) provide working power energization pins (VIN), for set output current value the first electric current set pin (CS1) and Second electric current sets pin (CS2) and for the first constant current output pin (OUT1) of output constant current power supply and the second constant current output Pin (OUT2)；The first exchange pin (IN+), the second exchange pin (IN-), direct current output pin (OUT+) and direct current are defeated Enter pin (OUT-) respectively with the rectifier bridge (34) to be connected；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) and the second constant current output pin (OUT2) respectively with the constant-current driven module (35) it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182743.5A CN107975689A (en) | 2017-11-23 | 2017-11-23 | A kind of LED filament lamp of variable color-temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182743.5A CN107975689A (en) | 2017-11-23 | 2017-11-23 | A kind of LED filament lamp of variable color-temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975689A true CN107975689A (en) | 2018-05-01 |
Family
ID=62011149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711182743.5A Withdrawn CN107975689A (en) | 2017-11-23 | 2017-11-23 | A kind of LED filament lamp of variable color-temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020152068A1 (en) | 2019-01-21 | 2020-07-30 | Signify Holding B.V. | Color tunable filament lamp |
| US11692675B2 (en) | 2019-06-24 | 2023-07-04 | Signify Holding B.V. | Color temperature controllable lighting device comprising different LED filaments |
-
2017
- 2017-11-23 CN CN201711182743.5A patent/CN107975689A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020152068A1 (en) | 2019-01-21 | 2020-07-30 | Signify Holding B.V. | Color tunable filament lamp |
| WO2020152088A1 (en) | 2019-01-21 | 2020-07-30 | Signify Holding B.V. | Color tunable filament lamp |
| CN113316975A (en) * | 2019-01-21 | 2021-08-27 | 昕诺飞控股有限公司 | Color-adjustable filament lamp |
| US11466816B2 (en) | 2019-01-21 | 2022-10-11 | Signify Holding B.V. | Color tunable filament lamp |
| US11692675B2 (en) | 2019-06-24 | 2023-07-04 | Signify Holding B.V. | Color temperature controllable lighting device comprising different LED filaments |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180501 |
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| WW01 | Invention patent application withdrawn after publication |