CN203327329U - Light emitting diode driving circuit structure - Google Patents
Light emitting diode driving circuit structure Download PDFInfo
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- CN203327329U CN203327329U CN2013204100739U CN201320410073U CN203327329U CN 203327329 U CN203327329 U CN 203327329U CN 2013204100739 U CN2013204100739 U CN 2013204100739U CN 201320410073 U CN201320410073 U CN 201320410073U CN 203327329 U CN203327329 U CN 203327329U
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- emittingdiode
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Abstract
The utility model relates to a light emitting diode driving circuit structure, which is provided with a surge absorbing unit, a voltage suppressing unit, a rectification unit, a control chip and an impedance unit, wherein the surge absorbing unit is connected with the voltage suppressing unit, the voltage suppressing unit is electrically connected with the rectification unit, a fourth rectification contact of the rectification unit is connected with the control chip, and the control chip is connected with the impedance unit. The driving circuit structure is arranged on a light emitting diode lamp panel. In addition, the driving circuit structure enables current of a light emitting diode to change along with the variation of voltage according to an alternating current sinusoidal waveform and the arrangement position and the number of the light emitting diode, thereby effectively improving the power factor of a power supply and reducing harmonic waves, and being capable of achieving the effect of effectively reducing the manufacturing cost and the material cost.
Description
Technical field
The utility model relates to a kind of light-emittingdiode drive circuit, relates in particular to a kind of light-emittingdiode driving circuit structure that light-emittingdiode is light source that uses.
Background technology
Along with scientific and technological evolution, people also constantly increase for the demand of energy, and for fear of the situation of shortage of energy, all circles, except finding new energy sources on the one hand, more make great efforts to reduce the power consumption of existing apparatus on the other hand.
And in general electricity consumption project, illumination has always accounted for very large some, and with main differentiation the in current existing lamp socket, traditional type lamp socket and electronic type lamp socket are arranged, and general traditional type lamp socket and electronic type lamp socket arrange in pairs or groups respectively a starter with there is respectively affiliated traditional type stabilizer and electronic ballast, and there is line architecture in the different place of traditional type stabilizer and electric stabilizer, fundamental characteristics, using method, power consumption etc., the two maximum difference is that the conditional electronic stabilizer is used low frequency 60Hz, the electric stabilizer frequency reaches 30, 000Hz to 50, 000Hz.
Accounted for very large some because throwing light in the electricity consumption project again, so the power consumption efficiency of lighting has also become to be innovated improved problem with the use state.And among the improvement of various lightings, use light-emittingdiode to replace the traditional lighting light source and more become a kind of technology quite commonly used, because of the scope increase that the technology of light-emittingdiode (LED) is increasingly grown up and applied in recent years, and the daily living article arround our life frequently occurs, light-emittingdiode utilizes the mode of the high electric current of low pressure luminous, and the long service life of light-emittingdiode, and there is low power consumption, the heat energy that light-emittingdiode produces is little, light-emittingdiode has above-mentioned environmental protection advantage, so most relevant dealers start to research and develop LED tube now.
And the general drive circuit that LED tube was used has mainly been distinguished three kinds of technology, its the first technology is used two circuit boards for this LED tube, wherein first circuit board is the power driving circuit plate, another piece circuit board is the LED circuit plate, and its power driving circuit plate and LED circuit plate are electrically connected and are arranged in fluorescent tube via wire or splicing ear simultaneously, to make its power driving circuit plate, can effectively provide power supply to the LED circuit plate and produce light source; And its second technology is used three circuit boards for this LED tube, wherein two circuit boards are power driving circuit plate and a LED circuit plate, and its two block power supplies drive circuit board is arranged at respectively the two ends of fluorescent tube, and the LED circuit plate is arranged at the fluorescent tube stage casing, re-use wire or splicing ear and be electrically connected the power driving circuit plate at described two ends and the LED circuit plate in stage casing, to make its power driving circuit plate, can effectively provide power supply to the LED circuit plate and produce light source; And its third technology is only used a LED circuit plate for this LED tube, its LED circuit plate is connected in the pin pedestal of lamp tube ends via wire, and its power drives system is arranged in the lamp socket that its fluorescent tube is outside or corresponding.
And above-mentioned technology contents, the power drives of its LED circuit plate and power driving circuit plate or fluorescent tube outside all need to be electrically connected with complicated circuit,, and but accommodating described LED circuit plate and the larger power driving circuit plate of volume need expend the production process of complexity in the fluorescent tube of limited accommodation space, cause to make that its manufacturing cost is relative with the material cost height significantly to be improved.
The utility model content
The utility model, for solving the shortcoming of above-mentioned prior art, provides a kind of light-emittingdiode driving circuit structure that light-emittingdiode is light source that uses.
The utility model main purpose, be to provide a kind of can directly driving power being arranged on the light-emittingdiode lamp plate, effectively to reduce the light-emittingdiode driving circuit structure of manufacturing cost and material cost.
Another purpose of the present utility model, be to provide a kind of light-emittingdiode driving circuit structure that solves the inconvenient problem of the large assembling of power drives volume.
Another purpose of the present utility model, be to provide a kind of according to alternating current sinusoidal waveform and light-emittingdiode installation position, the electric current that makes its light-emittingdiode changes with the variation of voltage, effectively to improve electrical source power factor and the light-emittingdiode driving circuit structure that reduces harmonic wave.
For reaching above-mentioned purpose, the utility model provides a kind of light-emittingdiode driving circuit structure, and this driving circuit structure comprises: a sudden-wave absorbing unit has one first sudden-wave absorbing pin and one second sudden-wave absorbing pin; One voltage suppresses unit, has one first voltage and suppresses pin and second voltage inhibition pin, and this first voltage suppresses pin and connects described the first sudden-wave absorbing pin, and this second voltage inhibition pin connects described the second sudden-wave absorbing pin; One rectification unit, have one first rectification contact, the second rectification contact, the 3rd rectification contact and the 4th rectification contact, and this first rectification contact and the 3rd rectification contact connect respectively described the first voltage and suppress pin and second voltage inhibition pin; One controls wafer, produce at least one control signal is arranged, and the 4th rectification contact connects described control wafer; One impedance unit, have a plurality of resistive elements and connect described control wafer.
Preferably, more include a voltage regulation unit, this voltage regulation unit has one first voltage stabilizing pin and one second voltage stabilizing pin, and this first voltage stabilizing pin and the second voltage stabilizing pin connect described control wafer.
Preferably, described control wafer has at least one driving switch.
Preferably, described sudden-wave absorbing unit is a rheostat.
Preferably, described voltage inhibition unit is a voltage suppressor.
Preferably, described rectification unit is a bridge rectifier.
Preferably, described voltage regulation unit is that two Zener diodes are connected in series mutually.
Preferably, be arranged on a light-emittingdiode lamp plate, this light-emittingdiode lamp plate has a plurality of light-emittingdiodes and connects described control wafer and described the 4th rectification contact, and this light-emittingdiode lamp plate is mounted in a fluorescent tube, this lamp tube ends respectively has a pin pedestal, and this pin pedestal is electrically connected described light-emittingdiode lamp plate.
Preferably, described the first sudden-wave absorbing pin and one second sudden-wave absorbing pin separately are connected to described pin pedestal.
Preferably, more include one first fuse and the second fuse.
And this driving circuit structure is according to alternating current sinusoidal waveform and light-emittingdiode installation position and quantity, the electric current that makes its light-emittingdiode changes with the variation of voltage, effectively to improve electrical source power factor and to reduce harmonic wave, and can effectively reduce the effect of manufacturing cost and material cost.
The accompanying drawing explanation
The circuit diagram that Fig. 1 is the utility model preferred embodiment;
The enforcement schematic diagram that Fig. 2 is the utility model preferred embodiment;
The circuit diagram that Fig. 3 is another preferred embodiment of the utility model.
Symbol description
Driving circuit structure 1
Sudden-wave absorbing unit 11
The first sudden-wave absorbing pin 111
The second sudden-wave absorbing pin 112
Voltage suppresses unit 12
The first voltage suppresses pin 121
Second voltage suppresses pin 122
The first rectification contact 131
The second rectification contact 132
The 3rd rectification contact 133
The 4th rectification contact 134
The first driving switch 141
The second driving switch 142
The 3rd driving switch 143
4 wheel driven moves switch 144
The 5th driving switch 145
The 6th driving switch 146
The first resistive element 151
The second resistive element 152
The 3rd resistive element 153
The 4th resistive element 154
The 5th resistive element 155
The first fuse 161
The second fuse 162
Light-emittingdiode lamp plate 2
Light-emittingdiode 21
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Refer to shown in Fig. 1 and Fig. 2, circuit diagram and enforcement schematic diagram for the first preferred embodiment of the present utility model, described driving circuit structure 1 is that correspondence is arranged on a light-emittingdiode lamp plate 2, this light-emittingdiode lamp plate 2 has a plurality of light-emittingdiodes 21 and is applied to a fluorescent tube 3, these fluorescent tube 3 two ends respectively have a pin pedestal 31, and this driving circuit structure 1 has a sudden-wave absorbing unit 11, a voltage suppresses unit 12, a rectification unit 13, control wafer 14 and an impedance unit 15.
Wherein said sudden-wave absorbing unit 11 is a rheostat in the present embodiment, and this sudden-wave absorbing unit 11 has one first sudden-wave absorbing pin 111 and one second sudden-wave absorbing pin 112, this the first sudden-wave absorbing pin 111 and one second sudden-wave absorbing pin 112 are connected to power input unit, and when moment, surge voltage occurred, the impedance meeting step-down of its sudden-wave absorbing unit 11 also causes line short, and this power input unit is described pin pedestal 31; and this voltage inhibition unit 12 is a voltage suppressor in the present embodiment, and this voltage suppresses, unit 12 has one first voltage inhibition pin 121 and a second voltage suppresses pin 122, this first voltage suppresses pin 121 and connects described the first sudden-wave absorbing pin 111, and this second voltage suppresses described the second sudden-wave absorbing pin 112 of pin 122 connection, and after voltage is increased to a boundary line its resistance value sharply descend induced current from voltage suppress unit by and smoothly by its driving circuit structure 1, so that its overdrive voltage produces short circuit phenomenon while occurring simultaneously, and suppress via described sudden-wave absorbing unit 11 and voltage the effect that unit 12 reaches protective circuit, this driving circuit structure 1 has one first fuse 161 and the second fuse 162, this first fuse 161 is arranged between described power input unit and described the first sudden-wave absorbing pin 111, and this second fuse 162 is arranged at the first sudden-wave absorbing pin 111 and the first voltage suppresses 121 of pins, to reach the effect of protective circuit.
Wherein said rectification unit 13 is a bridge rectifier in the present embodiment, and this rectification unit 13 has one first rectification contact 131, the second rectification contact 132, the 3rd rectification contact 133 and the 4th rectification contact 134, this the first rectification contact 131 is to be connected to described the first voltage to suppress pin 121, and the 3rd rectification contact 133 is connected to described second voltage inhibition pin 122, and the 4th rectification contact 134 be connected to described control wafer 14, this control wafer 14 produces at least one control signal, and this control wafer 14 has at least one driving switch, and its control wafer 14 differentiations have the first driving switch 141 in the present embodiment, the second driving switch 142, the 3rd driving switch 143, 4 wheel driven moves switch 144, the 5th driving switch 145, the 6th driving switch 146, and this control wafer 14 is that control wafer with 14 pins explains, but be not limited to this, when concrete enforcement, the user can be according to functional requirement, change the control wafer of design with more pins, as use the control wafer of 16 pins or control wafer or 18 control wafers more than pin of 18 pins.
Wherein said impedance unit 15 has plural resistive element and connects described control wafer 14, and this impedance unit 15 has the first resistive element 151 in the present embodiment, the second resistive element 152, the 3rd resistive element 153, the 4th resistive element 154, the 5th resistive element 155, and its first resistive element 151 is relatively arranged on 142 of the first driving switch 141 and the second driving switchs, this second resistive element 152 is relatively arranged on 143 of the second driving switch 142 and the 3rd driving switchs, the 3rd resistive element 153 is relatively arranged on the 3rd driving switch 143 and 4 wheel driven moves 144, switch, the 4th resistive element 154 is relatively arranged on 145 of the moving switch 144 of 4 wheel driven and the 5th driving switchs, the 5th resistive element 155 is relatively arranged on 146 of the 5th driving switch 145 and the 6th driving switchs.
And its driving circuit structure 1 is relatively arranged on described light-emittingdiode lamp plate 2, and the described control wafer 14 that is relative electric connection of the light-emittingdiode 21 on its light-emittingdiode lamp plate 2, and the arrangement mode of its light-emittingdiode 21 is a plurality of light-emittingdiode 21 series connection in the present embodiment, and its series connection after light-emittingdiode 21 again the phase mutual branch be connected in parallel, and light-emittingdiode 21 quantity of its series connection have different voltage generations and determine according to the alternating current sinusoidal waveform from numbers of branches, whereby, its alternating current is when the change in voltage of out of phase, the electric current that the light-emittingdiode 21 of its each branch flows through just changes along with the variation of alternating voltage, and the electric current of each branch just can be by this branch light-emittingdiode 21 with by each resistive element of impedance unit 15, regulated, and arrange in pairs or groups simultaneously its control control signal that wafer 14 produced automatically control its first, two, three, four, five, six driving switchs 141, 142, 143, 144, 145, 146, with the light-emittingdiode 21 of controlling each branch with the electric current that flows through each branch can be defined in light-emittingdiode 21 limited ranges, and then reach this driving circuit structure 1 and be arranged at a light-emittingdiode lamp plate 2 and can solve the large assembling of power drives volume inconvenience and effectively reduce manufacturing cost and material cost, more and can effectively improve electrical source power factor and the effect that reduces harmonic wave.
Separately refer to shown in the 3rd figure, circuit diagram for the second preferred embodiment of the present utility model, it is with element and the connection relationship of the first embodiment and running is roughly the same at this, does not repeat identical element and component symbol, only the difference of this preferred embodiment is in described driving circuit structure 1 and has more a voltage regulation unit 17, this voltage regulation unit 17 is that two Zener diodes are connected in series mutually, the electric current that the light-emittingdiode 21 of its each branch flows through reaches the effect of voltage stabilizing while changing along with alternating voltage, effectively to maintain the electric current that flows through each branch, can be defined in light-emittingdiode 21 limited ranges, separately in the present embodiment, the arrangement mode of its light-emittingdiode 21 is a plurality of light-emittingdiode 21 series connection, and the light-emittingdiode 21 after part series connection again the phase mutual branch be connected in parallel, and light-emittingdiode 21 quantity of its series connection have different voltage generations and determine according to the alternating current sinusoidal waveform from the quantity system of branch, but its light-emittingdiode 21 arrangement modes are not limited to this, in the specific implementation, the user can be according to functional requirement, change its light-emittingdiode 21 arrangement modes, so that flow through the electric current of each branch, can be defined in light-emittingdiode 21 limited ranges, and then reach this driving circuit structure 1 and be arranged at a light-emittingdiode lamp plate 2 and can solve the large assembling of power drives volume inconvenience and effectively reduce manufacturing cost and material cost, more and can effectively improve electrical source power factor and the effect person who reduces harmonic wave.
In sum, the present invention has following advantages compared to prior art:
1. can solve the inconvenient problem of the large assembling of power drives volume;
2. effectively reduce manufacturing cost and material cost;
3. can effectively improve electrical source power factor and reduce harmonic wave.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and execution mode, it can be applied to the various fields of the present utility model that are applicable to fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (10)
1. a light-emittingdiode driving circuit structure, is characterized in that, this driving circuit structure comprises:
One sudden-wave absorbing unit, have one first sudden-wave absorbing pin and one second sudden-wave absorbing pin;
One voltage suppresses unit, has one first voltage and suppresses pin and second voltage inhibition pin, and this first voltage suppresses pin and connects described the first sudden-wave absorbing pin, and this second voltage inhibition pin connects described the second sudden-wave absorbing pin;
One rectification unit, have one first rectification contact, the second rectification contact, the 3rd rectification contact and the 4th rectification contact, and this first rectification contact and the 3rd rectification contact connect respectively described the first voltage and suppress pin and second voltage inhibition pin;
One controls wafer, produce at least one control signal is arranged, and the 4th rectification contact connects described control wafer;
One impedance unit, have plural resistive element and connect described control wafer.
2. light-emittingdiode driving circuit structure as claimed in claim 1, it is characterized in that, more include a voltage regulation unit, this voltage regulation unit has one first voltage stabilizing pin and one second voltage stabilizing pin, and this first voltage stabilizing pin and the second voltage stabilizing pin connect described control wafer.
3. light-emittingdiode driving circuit structure as claimed in claim 1, is characterized in that, wherein said control wafer has at least one driving switch.
4. light-emittingdiode driving circuit structure as claimed in claim 1, is characterized in that, wherein said sudden-wave absorbing unit is a rheostat.
5. light-emittingdiode driving circuit structure as claimed in claim 1, is characterized in that, it is a voltage suppressor that wherein said voltage suppresses unit.
6. light-emittingdiode driving circuit structure as claimed in claim 1, is characterized in that, wherein said rectification unit is a bridge rectifier.
7. light-emittingdiode driving circuit structure as claimed in claim 2, is characterized in that, wherein said voltage regulation unit is that two Zener diodes are connected in series mutually.
8. light-emittingdiode driving circuit structure as claimed in claim 1, it is characterized in that, be arranged on a light-emittingdiode lamp plate, this light-emittingdiode lamp plate has a plurality of light-emittingdiodes and connects described control wafer and described the 4th rectification contact, and this light-emittingdiode lamp plate is mounted in a fluorescent tube, this lamp tube ends respectively has a pin pedestal, and this pin pedestal is electrically connected described light-emittingdiode lamp plate.
9. light-emittingdiode driving circuit structure as claimed in claim 8, is characterized in that, wherein said the first sudden-wave absorbing pin and one second sudden-wave absorbing pin separately are connected to described pin pedestal.
10. light-emittingdiode driving circuit structure as claimed in claim 1, is characterized in that, more includes one first fuse and the second fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204100739U CN203327329U (en) | 2013-07-10 | 2013-07-10 | Light emitting diode driving circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204100739U CN203327329U (en) | 2013-07-10 | 2013-07-10 | Light emitting diode driving circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203327329U true CN203327329U (en) | 2013-12-04 |
Family
ID=49666618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204100739U Expired - Fee Related CN203327329U (en) | 2013-07-10 | 2013-07-10 | Light emitting diode driving circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203327329U (en) |
-
2013
- 2013-07-10 CN CN2013204100739U patent/CN203327329U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20190710 |