WO2016169471A1 - Procédé de conception de lampe à del et lampe à del - Google Patents

Procédé de conception de lampe à del et lampe à del Download PDF

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Publication number
WO2016169471A1
WO2016169471A1 PCT/CN2016/079692 CN2016079692W WO2016169471A1 WO 2016169471 A1 WO2016169471 A1 WO 2016169471A1 CN 2016079692 W CN2016079692 W CN 2016079692W WO 2016169471 A1 WO2016169471 A1 WO 2016169471A1
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WO
WIPO (PCT)
Prior art keywords
led
led filament
series
built
driving power
Prior art date
Application number
PCT/CN2016/079692
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English (en)
Chinese (zh)
Inventor
张继强
张哲源
Original Assignee
贵州光浦森光电有限公司
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Filing date
Publication date
Application filed by 贵州光浦森光电有限公司 filed Critical 贵州光浦森光电有限公司
Publication of WO2016169471A1 publication Critical patent/WO2016169471A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source

Definitions

  • the invention relates to a method for constructing an LED filament lamp and an LED filament lamp, belonging to the technical field of LED illumination.
  • LED light sources have to achieve a certain degree of illuminance and illumination area.
  • Optical devices such as reflective surfaces and lenses need to be added to affect the illumination effect, which will reduce the energy-saving effect of LEDs.
  • a plurality of LED chips or LED PN junctions are packaged on a strip substrate in the form of a series of LEDs, preferably a transparent strip substrate, to form an LED filament.
  • the LED filament can realize 360° full-angle illumination, large-angle illumination and no need to add a lens to realize the stereo light source, bringing unprecedented lighting experience.
  • LED filament lamp Directly using the LED filament lamp to supply power is the best solution for general lighting power supply. If the LED filament is used to convert the AC mains voltage into a DC constant current output, it will inevitably lead to a large volume and high cost. When constructing LED filament lamps, the arrangement of the power supply is difficult. Moreover, in order to meet the different mains voltage level requirements of LED filament lamps in the world, it is necessary to match the LED filaments of a plurality of different typical forward voltage levels, thereby further improving the difficulty of forming LED filament lamps, and also the types of LED filaments. Higher requirements have been put forward to reduce the versatility and interchangeability of LED filaments in lamps of various voltage levels.
  • the present invention also provides a combination LED filament lamp solution, that is, both aspects of transparent illumination and strength requirements are taken into consideration.
  • the technical solution of the present invention is a method for constructing an LED filament lamp, which is characterized in that: a bulb shell and a lamp cap are arranged outside the core component of the LED light source, and a wire is arranged to connect the core component of the LED light source with the lamp cap to form an LED filament lamp;
  • the LED light source core component is composed of an LED filament group, a built-in LED driving power module and a binding post;
  • the LED filament group is composed of a plurality of LED series groups connected in series;
  • the LED series group is composed of multiple LED LED chips or LED PN junctions are packaged in series on a strip substrate to form an LED filament, or the plurality of LED series groups are packaged in series on the same substrate to form a combined LED filament;
  • the LED filament group The two ends are connected to the fixed solder joint of the built-in LED driving power module through the supporting terminal, or the serial connection of the LED filament group is also connected to the built-in LED driving power module through the supporting terminal. Solder joints.
  • the total forward voltage of the LED filament group after the LED filaments in the non-bucking mains power supply scheme is connected in series is: in the commercial non-buck mode, the pulsating DC is obtained. Or constant DC, and apply the voltage to the LED filament group.
  • the typical forward voltage values of the LED series in the LED filament group are added to obtain the total load of the LED filament group.
  • the voltage value is for 7 different power-levels in the world.
  • the typical forward voltage values of the LED filament group are as follows:
  • the commercial power is 240V
  • the constant DC scheme is 330 ⁇ 338V
  • the pulsating DC scheme is 306 ⁇ 314V
  • the commercial power is 230V
  • the constant DC scheme is 316 ⁇ 324V
  • the pulsating DC scheme is 292 ⁇ 300V
  • the commercial power is 220V
  • the constant DC scheme is 302-310V
  • the pulsating DC scheme is 278-286V
  • the commercial power is 127V
  • the constant DC scheme is 175 ⁇ 179V
  • the pulsating DC scheme is 163 ⁇ 167V
  • the constant DC scheme is 165 ⁇ 169V
  • the pulsating DC scheme is 153 ⁇ 157V
  • the commercial power is 115V
  • the constant DC scheme is 158 ⁇ 162V
  • the pulsating DC scheme is 146 ⁇ 150V
  • the commercial power is 110V
  • the constant DC scheme is 151 ⁇ 155V
  • the pulsating DC scheme is 139 ⁇ 143V.
  • the typical forward voltage levels of the series LED series in the LED filament group are from 10V, 16V, 26V, 35V, 46V, 52V, 70V, 92V and 102V.
  • the typical forward voltage of the LED series is a voltage corresponding to a constant DC voltage applied across the LED series and reaching a nominal current value; from the LEDs having the typical forward voltage levels.
  • the LED filament group selected by combining 1 to 6 in the series group satisfies the requirement of the typical forward voltage value of the LED filament group under the above seven different commercial power levels.
  • the typical forward voltage level of the LED filament group under the above seven commercial power levels can be obtained by arranging the combined LED series. Claim. That is, it can be ensured that the typical forward voltage total value of the selected one to six LED series groups is always within the range of the typical forward voltage value of the above LED filament group. That is to say, the specification of the typical forward voltage level of the above LED series is limited, and it can realize a constant DC power supply and a pulsating DC power supply scheme which can be optimally adapted to the seven commercial power voltage levels in the world under the minimum forward voltage level of the LED series.
  • the built-in LED driving power module comprises a PCB circuit board and a rectifier bridge chip on the PCB circuit board and an LED driving power integrated chip.
  • the rectifier bridge chip and the driving power integrated chip may be soldered on the PCB circuit board by means of an integrated chip; the wafer die may also be fixed on the PCB circuit board, and then the gold wire bonding connection is performed.
  • the PCB circuit board is provided with seven fixed solder joints connected in series with the LED, and the LED driving power integrated chip includes a voltage detection and logic switch controller, voltage detection and logic.
  • the switch controller is provided with a working voltage detecting end and a stepless adjusting end of the light brightness; further comprising a switch tube, wherein the six fixed solder joints on the PCB circuit board are respectively connected to the ground end through the switch tube, and each switch The control ends of the tubes are connected to the voltage detecting and logic switch controller, and the working voltage detecting end and the positive end of the output end of the rectifier bridge chip are simultaneously connected with the fixed solder joints on the PCB circuit board; the output end of the rectifier bridge chip The negative pole is connected to the ground.
  • the LED filament group is composed of a plurality of LED filaments connected in series, the terminal is fixed on a transparent center column, and the built-in LED driving power module is at the bottom of the transparent center column.
  • the LED filament group is composed of a combined LED filament; the substrate of the combined LED filament is a transparent substrate; and the built-in LED driving power module and the combined LED filament are coplanarly disposed, or the built-in
  • the LED driver power module is attached to the bottom of a transparent center post and the transparent center post is also used to secure the terminal.
  • the LED filament lamp for realizing the foregoing method comprises an LED filament group formed by connecting a plurality of LED filaments in series, wherein two ends of the LED filament group are respectively connected to two terminals, or the serial nodes of the LED filament group are also respectively connected
  • each of the binding posts is fixed on the transparent center column, the LED filament is wrapped around the outside of the transparent center column, and the bottom of the transparent center column is provided with a built-in LED driving power module, and each terminal is connected with the built-in LED driving power module.
  • the fixed solder joint welding; the LED filament group, the binding post, the transparent center column and the built-in LED driving power module are all enclosed in the bulb shell, and the bulb shell is provided with a lamp head connected to the built-in LED driving power module.
  • the combined LED filament lamp implementing the foregoing method comprises: a combined LED filament, the combined LED filament comprises a transparent substrate, and the plurality of columns (or rows) of LED series groups are arranged on the transparent substrate, and the LED series groups are connected in series; the LED filament is combined The two ends are respectively connected to the two terminals, or the LED series connection points in the combined LED filament are also respectively connected to the plurality of terminals; each of the terminals is soldered on the built-in LED driving power module; the combined LED The filament, the binding post and the built-in LED drive power module are all enclosed in the bulb case, and the bulb case is provided with a lamp head with a built-in LED drive power module.
  • the built-in LED driving power module is coplanar with the combined LED filament, and the built-in LED driving power module is externally or provided with a cover; or the built-in LED driving power module is perpendicular to the combined LED filament, and is built in
  • the LED drive power module is fixed at the bottom of the transparent center column, and the terminal is fixed on the transparent center column, and the combined LED filament is located at the top of the transparent center column.
  • the invention sets up the LED filament lamp based on the LED light source core component formed by the LED filament group, the built-in LED driving power module and the binding post, and directly supplies the power to the LED filament group by the commercial power segment, thereby improving The power supply conversion efficiency and power factor of the bulb; the built-in LED drive power is not The use of the capacitive element improves the reliability of the bulb; the built-in LED driving power supply is small in size and provides a dimming control interface, so that the bulb of the invention can also be placed in the space of the limited lamp head; the invention adopts the combined filament inherited
  • the strip-shaped transparent filament has the advantages of high luminous efficiency, and avoids the disadvantage that the strip-shaped transparent filament is fragile; the terminal can not only function to connect the LED filament during the assembly process, but also can be used for fixing the built-in LED driving power module;
  • the LED filament lamp formed by the method is relatively simple in structure, which can greatly reduce the difficulty in forming the LED filament lamp, thereby correspondingly reducing the production cost.
  • the built-in LED driving power module of the invention can not only reduce the complexity of the power supply, but also can be made smaller in size, which can further reduce the difficulty of forming the bulb.
  • the application of the built-in LED driving power module in the present invention can convert the commercial power into the pulsating direct current, and simultaneously divide the voltage in each cycle into multiple segments according to the phase, and utilize the characteristics of different internal voltages to perform string access operation. The number of segments of the LED filaments in the state is adjusted so that the LED filaments enter the control to obtain an operating mode that is very close to the pulsating DC power characteristics.
  • LED filament connection and combination modes can be provided, so that a plurality of LED filament lamps for different mains can be realized by using a combination of LED filaments with less specifications, and it is possible to do so. That is to say, it is equivalent to improving the versatility and interchangeability of the LED filament in forming the LED filament lamp.
  • the present invention also screens out a set of LED filament specifications in a myriad of LED filament specifications, from which LED filament lamps that meet almost all commercial requirements can be combined.
  • the screening of this set of data is the applicant's full consideration of the basic structural unit of the LED filament, the various wiring methods of the LED filament group and the voltage and floating conditions of various commercial powers, which have been tested and summarized and summarized.
  • This set of specifications can be used to form LED filament lamps for a variety of different commercial sources around the world with the fewest specifications.
  • FIG. 1 is a schematic structural view of a filament lamp constructed by a plurality of LED filaments of the present invention
  • FIG. 2 is a schematic structural view of a first combined LED filament lamp according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a second combined LED filament lamp according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view 1 of the built-in LED driving power supply module of the present invention.
  • FIG. 5 is a schematic structural diagram of a driving power integrated chip according to the present invention.
  • FIG. 6 is a schematic structural view of a core component of an LED light source connecting seven terminals according to the present invention.
  • FIG. 7 is a schematic structural view of a core component of an LED light source connecting four terminals according to the present invention.
  • FIG. 8 is a schematic structural view of a core component of an LED light source connecting three terminals according to the present invention.
  • FIG. 9 is a schematic structural view of a core component of an LED light source connecting two terminals according to the present invention.
  • Figure 10 is a schematic structural view of the core component of the LED light source of the combined LED filament lamp based on the combined filament;
  • Figure 11 is a schematic diagram showing the structure of the core component of the LED light source of the combined LED filament lamp based on the combined filament Figure II;
  • Figure 12 is a schematic view showing the structure of Figure 10 and Figure 11 after adding a cover
  • 13 is a schematic structural view 2 of the built-in LED driving power supply module of the present invention.
  • 15 is a schematic structural view of a core component of an LED light source combining a LED filament body and a transparent center pillar.
  • the markings in the drawing are: 41-LED filament, 41.1-LED series, 43-transparent center column, 44-terminal, 101-bulb shell, 108-lamp, 410-built-in LED driver power module, 411-LED power supply Driver chip, 411.1-LED power driver wafer level chip, 412-rectifier bridge chip, 412.1-rectifier bridge wafer level chip, 414-circuit, 415-cover, 420-combined LED filament, 421-transparent substrate.
  • the invention relates to a method for constructing an LED filament lamp: a bulb shell and a lamp cap are arranged outside the core component of the LED light source, and a wire is arranged to connect the core component of the LED light source with the lamp cap to form an LED filament lamp; the core component of the LED light source is composed of an LED filament group and a built-in The LED driving power module and the binding post are configured; the LED filament group is composed of a plurality of LED series connected in series; the LED series group is encapsulated by a plurality of LED chips or LED PN junctions on a strip substrate to form an LED.
  • a filament, or the plurality of LED series groups are packaged in series on the same substrate to form a combined LED filament; the two ends of the LED filament group are connected to the built-in LED driving power module by a supporting post At the point, or in addition, the series junction of the LED filament set is also connected to the fixed solder joint of the built-in LED drive power module through the supporting post.
  • the total forward voltage of the LED filament group after the LED filaments in the non-buck power supply scheme is connected in series is: in the commercial non-buck mode, pulsating DC or constant DC is obtained, and the voltage is applied to On the LED filament group, when the nominal current value is reached, the typical forward voltage values of the LED series in the LED filament group are added to obtain the typical forward voltage value of the LED filament group for 7 different cities worldwide.
  • the electrical grade, the typical forward voltage values of the LED filament group are as follows:
  • the commercial power is 240V
  • the constant DC scheme is 330 ⁇ 338V
  • the pulsating DC scheme is 306 ⁇ 314V
  • the commercial power is 230V
  • the constant DC scheme is 316 ⁇ 324V
  • the pulsating DC scheme is 292 ⁇ 300V
  • the commercial power is 220V
  • the constant DC scheme is 302-310V
  • the pulsating DC scheme is 278-286V
  • the commercial power is 127V
  • the constant DC scheme is 175 ⁇ 179V
  • the pulsating DC scheme is 163 ⁇ 167V
  • the constant DC scheme is 165 ⁇ 169V
  • the pulsating DC scheme is 153 ⁇ 157V
  • the commercial power is 115V
  • the constant DC scheme is 158 ⁇ 162V
  • the pulsating DC scheme is 146 ⁇ 150V
  • the commercial power is 110V
  • the constant DC scheme is 151 ⁇ 155V
  • the pulsating DC scheme is 139 ⁇ 143V.
  • Typical forward voltage levels of series connected LEDs in the LED filament group are from 10V, 16V, 26V, 35V, 46V, 52V, 70V, 92V and 102V are selected; the typical forward voltage of the LED series is a constant DC voltage applied across the LED series, when the nominal current value is reached. The corresponding voltage; the LED filament group obtained by combining 1 to 6 LED series groups having the typical forward voltage levels meets the above-mentioned 7 different mains levels, and the total load of the LED filament group is typical. Required for voltage values.
  • the typical forward voltage level requirement of the LED filament group under the above seven commercial power levels can be obtained by arranging the combined LED series. . That is, it can be ensured that the typical forward voltage total value of the selected one to six LED series groups is always within the range of the typical forward voltage value of the above LED filament group. That is to say, the specification of the typical forward voltage level of the above LED series is limited, and it can realize a constant DC power supply and a pulsating DC power supply scheme which can be optimally adapted to the seven commercial power voltage levels in the world under the minimum forward voltage level of the LED series.
  • the built-in LED driving power module comprises a PCB circuit board and a rectifier bridge chip on the PCB circuit board and an LED driving power integrated chip, as shown in FIG. 4 .
  • the PCB circuit board is provided with seven fixed solder joints J 0 , J 1 ... J 6 connected to the LED series load, the LED driving power integrated chip includes a voltage detection and logic switch controller U 2 , voltage detection and The logic switch controller U 2 is provided with an operating voltage detecting terminal V W and a brightness stepless regulating terminal V Wmax ; and a switching tube K 1 , K 2 ... K 6 , 6 of which are fixedly soldered on the PCB circuit board Points J 1 , J 2 ... J 6 are respectively connected to the ground GND through the switch tubes K 1 , K 2 ... K 6 , and the control terminals of each of the switch tubes K 1 , K 2 ...
  • K 6 are connected to the voltage detection and On the logic switch controller U 2 , the working voltage detecting terminal V W and the output terminal of the rectifier bridge chip are simultaneously connected to the fixed solder joint J 0 on the PCB circuit board; the output terminal of the rectifier bridge chip is connected to the ground. On the GND side.
  • the LED filament group is composed of a plurality of LED filaments connected in series, the terminal is fixed on a transparent center column, and the built-in LED driving power module is at the bottom of the transparent center column.
  • the LED filament group is composed of a combined LED filament; the substrate of the combined LED filament is a transparent substrate; and the built-in LED driving power module and the combined LED filament are coplanarly disposed, or the built-in LED driving power module is fixed on a transparent central column The bottom, and the transparent center post is also used to secure the terminal.
  • the LED filament lamp for realizing the method of the invention comprises an LED filament group formed by connecting a plurality of LED filaments 41 in series, the two ends of the LED filament group being respectively connected to the two terminals 44, or the LED filament group
  • the series junctions are also respectively connected to a plurality of terminals 44, each of which is fixed on the transparent center column 43, the LED filament is wrapped around the transparent center column 43, and the bottom of the transparent center column 43 is provided with a built-in LED driving power source.
  • each of the binding posts 44 is soldered to a fixed solder joint on the built-in LED driving power module 410; the LED filament group, the binding post 44, the transparent center post 43 and the built-in LED driving power module 410 are all wrapped around the bulb shell 101.
  • the lamp housing 101 is provided with a lamp cap 108 connected to the built-in LED driving power module 410.
  • the LED filament lamp for realizing the method of the present invention comprises a combined LED filament 420.
  • the combined LED filament 420 comprises a transparent substrate 421, and the transparent substrate 421 is provided with a plurality of columns of LED series 41.1, and the LEDs are connected in series.
  • the groups 41.1 are connected in series with each other; the two ends of the combined LED filament 420 are respectively connected to the two terminals 44, or the LED series connection points of the combined LED filament 420 are also respectively connected to the plurality of terminals 44;
  • the pillars 44 are all soldered on the built-in LED driving power module 410; the combined LED filament 420, the terminal 44 and the built-in LED driving power module 410 are all enclosed in the bulb shell 101, and the bulb shell 101 is provided with a built-in LED driving power source.
  • the base 108 of the module 410 is provided with a built-in LED driving power source.
  • the built-in LED driving power module 410 is coplanar with the combined LED filament 420, or the outer casing 415 is disposed outside the built-in LED driving power module 410, that is, the scheme shown in FIG.
  • the rectifier bridge chip and the driving power integrated chip may be soldered on the PCB circuit board in an integrated chip manner, as shown in FIGS. 10 and 13. Wafer-level dies can also be fixed on the PCB circuit board, and then the gold wire bonding connection is shown, as shown in FIGS. 11 and 14; the built-in LED driving power module 410 is covered with the outer cover 415 as shown in FIG.
  • the built-in LED driving power module 410 is perpendicular to the combined LED filament 420, and the built-in LED driving power module 410 is fixed at the bottom of the transparent center pillar 43 , and the terminal 44 is fixed on the transparent center pillar 43 , and the LED filament 420 is combined.
  • the scheme shown in Fig. 3. The structure of the light source core assembly is as shown in Fig. 15.
  • FIG. 6 to Figure 9 show the core components of the LED light source in four ways:
  • LED filament series groups There are 6 LED filament series groups, and the two ends of the LED filament group and each series node are respectively connected with the fixed solder joints J0 to J6 of the built-in LED driving power module;
  • LED filament series groups Two ends of the LED filament group and one serial node are respectively connected with the fixed solder joints J0, J3 and J6 of the built-in LED driving power module;
  • LED filament series there are 1 to 6 LED filament series (in the figure, 5 are taken as an example), and the two ends of the LED filament group are respectively connected with the fixed solder joints J0 and J6 of the built-in LED driving power module.
  • the AC AC becomes a pulsating DC after passing through the rectifier bridge chip.
  • AC220V, 50Hz AC is rectified by a rectifier bridge, and the voltage is a half-period (180-degree) waveform.
  • the pulsating DC voltage is zero.
  • the pulsating DC voltage reaches the maximum value.
  • V WR is the highest DC 311V.
  • the voltage drops to zero again and again.
  • a total of 6 segments of load ie, the connection mode of FIG. 4 is taken as an example
  • a series connection is formed between the loads, and the load (ie, the LED filament) increases with the voltage.
  • the number of series segments is increased step by step, the load voltage is loaded by the switch control, and the voltage switch node is the voltage segmentation limit.
  • the present invention does not design a current control device, and the opening and closing of each level of the switch depends only on the change of V W .
  • Paragraph 1 the initial working state, ie, the period from the start 0, the switching circuit K 1 ⁇ K 6 is on (the ON), the main current path through the node formed by the switch J 1 K 1, the rated voltage of the load 1V WR /6 LED working in series;
  • Section 6 In the initial state of operation, the voltage decreases from the maximum value.
  • the switches K1 to K5 in the circuit are in the off state (OFF), the switch K6 is in the on state, and the current is formed through the switch J6 through the node J6.
  • the load is rated by the rated voltage. LED composition of 6V WR /6 series operation;
  • Section 4 When V W is less than or equal to 4V WR /6, the switches K4 to K6 are turned ON (ON), the current is mainly formed by the node J4 through the switch K4, and the load is composed of LEDs with a rated voltage of 4V WR /6 in series;
  • Section 3 When V W is less than or equal to 3V WR /6, the switches K3 to K6 are turned ON (ON), the current is mainly formed through the switch J3 through the node J3, and the load is composed of LEDs with a rated voltage of 3V WR /6 in series;
  • Section 2 When V W is less than or equal to 2V WR /6, the switches K2 to K6 are turned ON (ON), the current mainly forms a path through the switch J2 through the node J2, and the load is composed of LEDs with a rated voltage of 2V WR /6 in series;
  • Paragraph 1 When V W is less than or equal to 1V WR /6, switches K1 to K6 are turned ON. The current mainly flows through node J1 through switch K1.
  • the load is composed of LEDs with rated voltage of 1V WR /6 in series.
  • the dimming operation mode, the voltage protection operation mode, the overcurrent protection operation mode, and the color temperature adjustment operation mode can be referred to the contents disclosed in the invention patent application file No. 201410211945.8.
  • V W - pulsating DC operating voltage (1.4142 * ac voltage)
  • V WR - pulsating DC rated maximum operating voltage (1.4142 * ac voltage).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un procédé de conception d'une lampe à DEL et une lampe à DEL. Un boîtier d'ampoule de lampe (101) et un support de lampe (108) sont disposés à l'extérieur d'un ensemble de partie centrale de source de lumière à DEL, et l'ensemble de partie centrale de source de lumière à DEL est connecté au support de lampe (108) au moyen d'un fil de manière à former une lampe à DEL. L'ensemble de partie centrale de source de lumière à DEL est composé d'un ensemble de DEL (420), d'un module d'alimentation d'entraînement de DEL intégré (410) et de bornes pour fils électriques (44). Deux extrémités de l'ensemble de DEL (420) sont connectées à des points de soudage fixes du module d'alimentation d'entraînement de DEL intégré (410) au moyen des bornes pour fils électriques (44) jouant un rôle de support; ou des points de connexion en série de l'ensemble de DEL (420) sont également connectés aux points de soudage fixes du module d'alimentation d'entraînement de DEL intégré (410) au moyen des bornes pour fils électriques (44) jouant le rôle de support. La complexité de conception de la lampe à DEL est réduite. Lorsque des lampes à DEL présentant différentes exigences caractéristiques en termes de catégories de tension directe sont conçues au moyen d'une alimentation de redressement sans réduction de tension sous différentes catégories de tension d'alimentation sur secteur, une DEL peut présenter une plus grande universalité et une plus grande interchangeabilité.
PCT/CN2016/079692 2015-04-21 2016-04-20 Procédé de conception de lampe à del et lampe à del WO2016169471A1 (fr)

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CN201510189473.5 2015-04-21
CN201510189473.5A CN104791627B (zh) 2015-04-21 2015-04-21 一种led灯丝灯的构建方法及led灯丝灯

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RU183335U1 (ru) * 2018-02-02 2018-09-18 Евгений Михайлович Силкин Светодиодная филаментная лампа
CN112056007A (zh) * 2018-03-01 2020-12-08 布罗斯利有限公司 可调光的光源

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791627B (zh) * 2015-04-21 2018-10-12 贵州光浦森光电有限公司 一种led灯丝灯的构建方法及led灯丝灯
CN110260182B (zh) * 2015-07-23 2022-12-02 晶元光电股份有限公司 发光装置
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