CN203912283U - LED power supply control circuit and light bulb - Google Patents
LED power supply control circuit and light bulb Download PDFInfo
- Publication number
- CN203912283U CN203912283U CN201420326356.XU CN201420326356U CN203912283U CN 203912283 U CN203912283 U CN 203912283U CN 201420326356 U CN201420326356 U CN 201420326356U CN 203912283 U CN203912283 U CN 203912283U
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- 230000005764 inhibitory process Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 8
- 230000001629 suppression Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 238000005286 illumination Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
An LED power supply control circuit converts first electric energy into second electric energy and outputs the second electric energy to at least one light emitting diodes. The LED power supply control circuit comprises an input end, a current suppression unit, a rectifying module, a constant current control unit and an output end. The current suppression unit receives the first electric energy from the output end, suppresses a current pulse, and selectively outputs the first electric energy. The rectifying module converts the first electric energy into the second electric energy. The constant current control unit can adjust the second electric energy so at to output a constant output direct current. The output end outputs the output direct current to the at least one light emitting diodes. The LED power supply control circuit provided by the utility model enables each of the light emitting diodes to operate independently and to be set as well as replaced conveniently, that is, the circuit does not need to consider the impedance matching problem between the at least one light emitting diodes and the damage problem when the at least one light emitting diodes are combined. The utility model further discloses the lamp bulb comprising the LED power supply control circuit.
Description
Technical field
The application is the technical field of controlling about illumination, particularly a kind of being for example applied in, in a light fixture (Moses's lamp) that comprises a plurality of bulbs, and each the plurality of bulb can operate and LED power source control circuit and bulb that can be replaced individually independently.
Background technology
At present, greenly can illumination use widely light-emitting diode as light source, and this light-emitting diode be subject to galvanic driving and produce electric light conversion.
Generally speaking, this light-emitting diode obtains a direct voltage by integrated regulator (integrated circuit, IC).The function of this integrated regulator is to convert alternating current to direct current, to produce, drives the required voltage of this light-emitting diode.For example, this integrated regulator by this alternating current (80 volts～280 volts, 50/60Hz) convert this direct current of 5 volts to.
Yet in the operation of this integrated regulator, due to the shortcoming of volume microminiaturization and less area of dissipation, the heat energy that this light-emitting diode is produced is promptly accumulated, and causes this integrated regulator to operate in high temperature.This high temperature will damage this integrated regulator, damages more even this light-emitting diode.
Because the rising angle of single this light-emitting diode is little, and illumination is lower.Therefore, in illumination application, by combining many these light-emitting diodes, to produce a lamp source of enough illumination; But in order to drive the plurality of light-emitting diode, this integrated regulator certainly will be changed needs more direct current, the people who knows electricity field should be able to recognize, electronic component operates in the environment of high electric current, will produce more heat energy.In other words, this heat energy of accumulation will accelerate to damage this integrated regulator or the plurality of light-emitting diode.
Although can to this heat energy, dispel the heat by radiator structure, but the quantity of this light-emitting diode that this integrated regulator can drive remains limited.Therefore, if desired use a large amount of light-emitting diodes, need the extra large-scale voltage transition element (for example high-power transformer of high turn ratio) that uses; Yet will there is the defect that volume is large and price is high in large-scale voltage transition element.
In view of this, the application proposes a kind of LED power source control circuit and bulb, to address the deficiencies of the prior art.
Utility model content
The first object of the application is to provide a kind of LED power source control circuit, can allow a plurality of light-emitting diodes can share an alternating voltage, and the plurality of light-emitting diode can be accepted large-scale alternating voltage input.
The second object of the application provides a kind of LED power source control circuit, because this circuit can provide a fixing drive current to each the plurality of light-emitting diode individually, make to do for each the plurality of light-emitting diode the management of power ratio control, therefore compared to traditional light-emitting diode, the light-emitting diode that the application drives can produce lower heat energy.
The application's the 3rd object provides a kind of LED power source control circuit, by adjusting drive circuit, make the plurality of light-emitting diode need not additionally increase again radiator structure, for example by ceramic lamp chimney, glass lamp shade or in lampshade blanketing gas dispel the heat, therefore this circuit can reduce manufacturing cost and maintenance frequency effectively.
The application's the 4th object provides a kind of bulb, utilize a LED power source control circuit, being made into can be for for example a plurality of bulb of Moses's lamp, and this Moses's lamp need not calculate the electric energy that each the plurality of bulb need to consume, and the problem of impedance matching between the plurality of bulb, and then reach installation easily and freely adjust the effect of illumination.
For reaching above-mentioned purpose and other objects, the application provides a kind of LED power source control circuit, convert one first electric energy to one second electric energy, and export this second electric energy and drive at least one light-emitting diode, this at least one light-emitting diode converts a luminous energy to by this second electric energy, comprises that an input, an electric current suppress unit, a rectification module, certain current control unit and an output.This input can receive this first electric energy.This electric current suppresses unit and connects this input.This electric current suppresses unit can suppress a current impulse, and this electric current inhibition unit selectivity is exported this first electric energy.This rectification module connects this electric current and suppresses unit.This rectification module converts this first electric energy to this second electric energy.This is determined current control unit and connects this rectification module.This is determined current control unit and adjusts this second electric energy, to export a fixing output direct current.This output connects this rectification module.This output outputs to this at least one light-emitting diode by this output direct current.
According to a kind of execution mode of the application, wherein this first electric energy is an alternating current, and this second electric energy is a direct current.
According to the application's another kind of execution mode, wherein this rectification module also comprises a rectification unit, a filter unit and an electric energy adjustment unit, this filter unit connects this rectification unit and this electric energy adjustment unit respectively, this first electric energy carries out a full-wave rectification or a halfwave rectifier via this rectification unit, this first electric energy after this filter unit self-rectifying determines this output direct current, and this output direct current is exported this second electric energy via this electric energy adjustment unit.
According to the application's another kind of execution mode, wherein this rectification unit also comprises a transformer, and this transformer determines the voltage of this first electric energy.
According to the application's another kind of execution mode, wherein this transformer is a center tapped transformer, allows this first electric energy carry out this full-wave rectification via this center tapped transformer.
According to the application's another kind of execution mode, wherein this rectification unit is a bridge rectifier, and this first electric energy carries out this full-wave rectification via this bridge rectifier.
According to the application's another kind of execution mode, wherein this electric current inhibition unit is a Zener diode.
According to the application's another kind of execution mode, wherein this is determined current control unit and comprises a plurality of diodes of a transistor AND gate, and the plurality of diode of this transistor AND gate allows this rectification module output have this second electric energy of fixing this output current.
For reaching above-mentioned purpose and other objects, the application provides a kind of bulb, and this bulb comprises a LED power source control circuit.
Compared to prior art, the application's LED power source control circuit can receive the input AC electricity (for example 50 volts to 380 volts) of wider range.This control voltage can suppress the current impulse of burst, avoids this current impulse to damage electronic component or the light-emitting diode in this circuit.This control circuit provides certain electric current to drive this light-emitting diode, allows this light-emitting diode have fixing consumed power.By adjusting this consumed power, can control this light-emitting diode and produce a low power consumption, reduce the accumulation of heat energy, make this bulb there is lower temperature.
When this control circuit is made into a bulb in conjunction with this light-emitting diode, can be applicable to multibulb light fixture (for example Moses's lamp), each bulb connects an alternating current by the mode of serial or parallel connection, and respectively by the fixing output direct current of this control circuit output, to produce fixing power consumption.If the wherein one of the plurality of bulb produce to be damaged, still can work individually and do not affect remaining the plurality of bulb.
Because each bulb is to operate individually, therefore need not consider the problem of impedance matching between the plurality of bulb.In other words, can allow Lighting designer can carry out easily Lighting Design.
Accompanying drawing explanation
The block schematic diagram of the LED power source control circuit of Fig. 1 the application one first embodiment.
The block schematic diagram of the LED power source control circuit of Fig. 2 the application one second embodiment.
The block schematic diagram of the LED power source control circuit of Fig. 3 the application 1 the 3rd embodiment.
The bulb of Fig. 4 the application one embodiment is applied to the combination schematic diagram of Moses's lamp.
[symbol description]
2 light-emitting diodes
4 Moses's lamps
10 LED power source control circuits
12 inputs
14 electric currents suppress unit
16 rectification modules
162 rectification units
164 filter units
166 electric energy adjustment units
18 determine current control unit
20 outputs
22 lamp sockets
24 bulbs
E
1the first electric energy
E
2the second electric energy
LE luminous energy
DC
outoutput direct current
Embodiment
For fully understanding the application's object, feature and effect, hereby by following specific embodiment, and coordinate appended accompanying drawing, the application is described in detail, illustrate as rear:
Please refer to Fig. 1, the circuit box schematic diagram of the LED power source control circuit of the application one first embodiment.In Fig. 1, this LED power source control circuit 10 is by one first electric energy E
1convert one second electric energy E to
2.This second electric energy E
2drive a light-emitting diode 2, and this light-emitting diode 2 is by this second electric energy E
2convert a luminous energy LE to.Wherein, this first electric energy E
1to be an alternating current, and this second electric energy E
2to be a direct current.The voltage range of this alternating current is between 50 volts to 380 volts.
It should be noted that in the present embodiment this light-emitting diode 2 is that to take the light-emitting diode of single be example explanation.In other embodiment, should not only limit to a light-emitting diode, in this, be only example explanation.
This LED power source control circuit 10 comprises an input 12, an electric current suppresses unit 14, a rectification module 16, certain current control unit 18 and an output 20.
This input 12 can receive this first electric energy E
1.In an embodiment, this input 12 can be a lamp holder, and this lamp holder meets standard lamp connector standard.
This electric current suppresses unit 14 and connects this input 12.This electric current suppresses unit 14 can suppress a current impulse (not shown).Generally speaking, this current impulse is to be created in the moment that power transmission is initial or finish.Because the peak current of this current impulse is too high, will cause the damage of electronic component on circuit, more even cause burning of this LED.Therefore,, in the present embodiment, by this electric current, suppress unit 14 and can eliminate the destruction that this current impulse causes.
In detail, by this electric current, suppress unit 14 and can effectively suppress above-mentioned moment peak voltage.For example this electric current suppresses the collapse district that unit 14 can utilize a Zener diode, guarantees that this electric current suppresses unit 14 and is unlikely this current impulse of output.
It should be noted that this electric current suppresses unit 14 except can suppressing this current impulse, this electric current suppresses unit 14 also can become this first electric energy E by the Voltage-output beyond non-current impulse
1.
This rectification module 16 connects this electric current and suppresses unit 14.This rectification module 16 is by this first electric energy E
1convert this second electric energy E to
2.
In the present embodiment, this rectification module 16 can comprise a rectification unit 162, a filter unit 164 and an electric energy adjustment unit 166.This filter unit 164 connects this rectification unit 162 and this electric energy adjustment unit 166 respectively.This first electric energy E
1via this rectification unit 162, carry out a full-wave rectification or a halfwave rectifier.This first electric energy E after these filter unit 164 self-rectifyings
1determine an output direct current DC
out, these electric energy adjustment unit 166 output packets are containing this output direct current DC
outthis second electric energy E
2.
In another embodiment of full-wave rectification, this rectification unit 16 can comprise a transformer (not shown).The turn ratio of primary coil and secondary coil by this transformer, can determine this first electric energy E
1voltage, for example this transformer can be a center tapped transformer.
In the another embodiment of full-wave rectification, this rectification unit 19 can be a bridge rectifier (not shown).This first electric energy E
1via this bridge rectifier, obtain this full-wave rectification.
This is determined current control unit 18 and connects this rectification module 16.This is determined current control unit 18 and adjusts this second electric energy E
2.Because this is determined current control unit 18 and is connected in series this rectification module 16, so this output direct current DC of this rectification module 16
outby the restriction that is subject to this and determines current control unit 18, and then fixing this output direct current DC of output
out.
For example, this determines current control unit 18 can comprise a transistor (not shown) and a plurality of diode (not shown), and the plurality of diode of this transistor AND gate allows these rectification module 16 outputs have and fixes this output direct current DC
outthis second electric energy E
2.
This output 20 connects this rectification module 16.This after adjustment the second electric energy E
2via this output 20, output to this light-emitting diode 2.
Please refer to Fig. 2, the circuit box schematic diagram of the LED power source control circuit of the application one second embodiment.In Fig. 2, show the LED power source control circuit 10 in a plurality of the first embodiment.The plurality of LED power source control circuit 10 connects a plurality of light-emitting diodes 2 respectively.Wherein, each the plurality of LED power source control circuit 10 similarly comprises that this input 12, this electric current suppress unit 14, this rectification module 16, this determines current control unit 18 and this output 20.
This input 12 of the plurality of LED power source control circuit 10 connects with series system, and this input 12 of next stage connects the input 12 of upper level.
Please refer to Fig. 3, the circuit box schematic diagram of the LED power source control circuit of the application 1 the 3rd embodiment.In Fig. 3, show that this input 12 of the plurality of LED power source control circuit 10 connects with parallel way, the plurality of input 12 side by side receives this first electric energy E
1.
Please refer to Fig. 4, the bulb of the application one embodiment is applied to the combination schematic diagram of Moses's lamp.Fig. 4 shows Moses's lamp 4.This Moses's lamp 4 provides a plurality of lamp sockets 22.The plurality of lamp socket 22 is plugged with a plurality of bulbs 24, and the plurality of bulb 24 comprises this LED power source control circuit 10 as the first embodiment.The electrical connection of the plurality of lamp socket 22 is as shown in the second embodiment and the 3rd embodiment.
In sum, the application's LED power source control circuit can receive the input voltage of wider range.This control voltage can suppress the current impulse of burst, avoids pulse to damage electronic component or the light-emitting diode in this circuit.This control circuit provides an output direct current to drive this light-emitting diode, makes this light-emitting diode produce fixing consumed power.By adjusting this consumed power, allow this light-emitting diode produce a low power consumption, to reduce the accumulation of used heat.Because each bulb is to operate individually, therefore, need not consider the problem of impedance matching between the plurality of bulb, can design easily.
The application is open with preferred embodiment hereinbefore, so it will be understood by those skilled in the art that this embodiment is only for describing the application, and should not be read as restriction the application's scope.It should be noted, such as, with variation and the displacement of this embodiment equivalence, all should be made as in the category that is covered by the application.Therefore, the application's protection range when with claim the person of being defined be as the criterion.
Claims (9)
1. a LED power source control circuit, converts one first electric energy to one second electric energy, and exports this second electric energy and drive at least one light-emitting diode, and this at least one light-emitting diode converts a luminous energy to by this second electric energy, and this circuit comprises:
One input, for receiving this first electric energy;
One electric current suppresses unit, connects this input, and this electric current suppresses unit for suppressing a current impulse, and this first electric energy is optionally exported in this electric current inhibition unit;
One rectification module, connects this electric current and suppresses unit, and this rectification module converts this first electric energy to this second electric energy;
Certain current control unit, connects this rectification module, and this is determined current control unit and adjusts this second electric energy, to export a fixing output direct current; And
One output, connects this rectification module, and this output outputs to this at least one light-emitting diode by this output direct current.
2. LED power source control circuit as claimed in claim 1, wherein this first electric energy is an alternating current, and this second electric energy is a direct current.
3. LED power source control circuit as claimed in claim 2, wherein this rectification module also comprises a rectification unit, a filter unit and an electric energy adjustment unit, this filter unit connects this rectification unit and this electric energy adjustment unit respectively, this first electric energy carries out a full-wave rectification or a halfwave rectifier via this rectification unit, this first electric energy after this filter unit self-rectifying determines this output direct current, and this output direct current is exported this second electric energy via this electric energy adjustment unit.
4. LED power source control circuit as claimed in claim 3, wherein this rectification unit also comprises a transformer, and this transformer determines the voltage of this first electric energy.
5. LED power source control circuit as claimed in claim 4, wherein this transformer is a center tapped transformer, allows this first electric energy carry out this full-wave rectification via this center tapped transformer.
6. LED power source control circuit as claimed in claim 3, wherein this rectification unit is a bridge rectifier, this first electric energy carries out this full-wave rectification via this bridge rectifier.
7. LED power source control circuit as claimed in claim 1, wherein to suppress unit be a Zener diode to this electric current.
8. LED power source control circuit as claimed in claim 1, wherein this is determined current control unit and comprises a plurality of diodes of a transistor AND gate, and the plurality of diode of this transistor AND gate allows this rectification module output have this second electric energy of fixing this output current.
9. a bulb that comprises LED power source control circuit claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326356.XU CN203912283U (en) | 2014-06-18 | 2014-06-18 | LED power supply control circuit and light bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326356.XU CN203912283U (en) | 2014-06-18 | 2014-06-18 | LED power supply control circuit and light bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912283U true CN203912283U (en) | 2014-10-29 |
Family
ID=51786524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326356.XU Expired - Fee Related CN203912283U (en) | 2014-06-18 | 2014-06-18 | LED power supply control circuit and light bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912283U (en) |
-
2014
- 2014-06-18 CN CN201420326356.XU patent/CN203912283U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JUKUN ELECTRONICS CO., LTD. Free format text: FORMER OWNER: GAO YONGFENG Effective date: 20150127 Free format text: FORMER OWNER: HONG YISONG Effective date: 20150127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hong Yisong Inventor after: Chen Xiejia Inventor after: He Qianwen Inventor before: Gao Yongfeng Inventor before: Hong Yisong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GAO YONGFENG HONG YISONG TO: HONG YISONG CHEN XIEJIA HE QIANWEN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150127 Address after: Taipei City, Taiwan, China Patentee after: Ju Kun electronics limited company Address before: Taichung City, Taiwan, China Patentee before: Gao Yongfeng Patentee before: Hong Yisong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |