CN204090211U - Controllable silicon LED drive circuit for adjusting and use the LED lamp of this circuit - Google Patents
Controllable silicon LED drive circuit for adjusting and use the LED lamp of this circuit Download PDFInfo
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- CN204090211U CN204090211U CN201420358105.XU CN201420358105U CN204090211U CN 204090211 U CN204090211 U CN 204090211U CN 201420358105 U CN201420358105 U CN 201420358105U CN 204090211 U CN204090211 U CN 204090211U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 29
- 239000010703 silicon Substances 0.000 title claims abstract description 29
- 230000001276 controlling effect Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 230000004907 flux Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of controllable silicon LED drive circuit for adjusting and use the LED lamp of this circuit, controllable silicon LED drive circuit for adjusting comprises: thyristor regulating light control circuit, comprises controllable silicon regulator, current rectifying and wave filtering circuit, switching inverter circuit, constant current output circuit and detection feedback circuit; Also comprise: switching over color temperature controlling circuit, comprise power circuit, switch detection circuit, single chip machine controlling circuit, a MOS switching tube and the 2nd MOS switching tube, two outputs of single chip machine controlling circuit are respectively by first, second MOS switching tube and the first negative output terminals and the second cathode output end sub-connection.Controllable silicon LED drive circuit for adjusting of the present utility model, power source ON/OFF switching over colour temperature can be passed through, then electrodeless adjustment is carried out by thyristor regulating optical circuit, thus realize the integrating control of colour temperature and luminous flux, compared to the existing LED drive circuit adopting PWM technology, there is simple and easy easy-to-use, advantage that cost is low.
Description
Technical field
The utility model relates to lighting device, particularly relates to a kind of controllable silicon LED drive circuit for adjusting and uses the LED lamp of this circuit.
Background technology
LED, as a forth generation lighting source, has energy-conservation and life-span advantage significantly.Along with the development of society, the lighting energy consumption problem in daily life becomes increasingly conspicuous, and therefore, has the sectional-regulated LED lamp of remarkable power savings advantages more and more by the favor of people.
LED lamp can carry out light modulation toning, and the LED lamp light modulation toning of prior art is generally undertaken by PWM technology, needs complicated control.Along with applying of LED lamp, people propose more requirements to various simple light modulation toning.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved in the utility model is, provide a kind of controllable silicon LED drive circuit for adjusting, this LED drive circuit can divide two dataway operations, is simple and easy to use.Another technical problem to be solved in the utility model is, provides a kind of LED lamp using this drive circuit.
In order to solve the problems of the technologies described above, a kind of controllable silicon LED drive circuit for adjusting provided by the utility model, comprising:
Thyristor regulating light control circuit, described thyristor regulating light control circuit comprises controllable silicon regulator, current rectifying and wave filtering circuit, switching inverter circuit, constant current output circuit and detection feedback circuit, and the output of described constant current output circuit connects positive output terminals;
Also comprise:
Switching over color temperature controlling circuit, described switching over color temperature controlling circuit comprises power circuit, switch detection circuit, single chip machine controlling circuit, one MOS switching tube and the 2nd MOS switching tube, two inputs of described switch detection circuit are connected with two contacts of mains switch respectively, the output of described switch detection circuit is connected with the input of described single chip machine controlling circuit, two outputs of described single chip machine controlling circuit are connected with the grid of a described MOS switching tube and described 2nd MOS switching tube respectively, a described MOS switching tube is connected the first negative output terminals and the second negative output terminals respectively with the drain electrode of described 2nd MOS switching tube, the source ground of a described MOS switching tube and described 2nd MOS switching tube, described power circuit provides power supply for described single chip machine controlling circuit.
Wherein in an embodiment, described switching over color temperature controlling circuit also comprises the first diode and the second diode, and described first diode and described second diode are connected in series between two inputs of described switch detection circuit and two contacts of described mains switch respectively.
Wherein in an embodiment, described switching over color temperature controlling circuit also comprises the first resistance and the second resistance, and described first resistance and described second resistance are connected in series between two inputs of described switch detection circuit and two contacts of described mains switch respectively.
Wherein in an embodiment, described switching over color temperature controlling circuit also comprises the 3rd resistance and the 4th resistance, and described 3rd resistance and described 4th resistance are connected in series between two outputs of described single chip machine controlling circuit and the grid of a described MOS switching tube and described 2nd MOS switching tube respectively.
Wherein in an embodiment, described thyristor regulating light control circuit also comprises EMI safety circuit, and described EMI safety circuit is arranged between described controllable silicon regulator and described current rectifying and wave filtering circuit.
A kind of LED lamp provided by the utility model, comprise the first LED array, the second LED array and drive circuit, described drive circuit is above-mentioned LED drive circuit, the positive pole of described first LED array and described second LED array and the described cathode output end sub-connection of described LED drive circuit, the negative pole of described first LED array and described second LED array respectively with described first negative output terminals and described second cathode output end sub-connection.
Wherein in an embodiment, described first LED array is made up of multiple warm colour LED unit, and described second LED array is made up of multiple cool colour LED unit.
Wherein in an embodiment, the colour temperature of described warm colour LED unit is 2700K, and the colour temperature of described cool colour LED unit is 6500K.
Compared with prior art, controllable silicon LED drive circuit for adjusting of the present utility model, power source ON/OFF switching over colour temperature can be passed through, then electrodeless adjustment is carried out by thyristor regulating optical circuit, thus realize the integrating control of colour temperature and luminous flux, compared to the existing LED drive circuit adopting PWM technology, there is simple and easy easy-to-use, advantage that cost is low.
The beneficial effect that the utility model additional technical feature has will be described in this specification embodiment part.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the controllable silicon LED drive circuit for adjusting in one of them embodiment of the utility model;
Fig. 2 is for having the circuit diagram of the LED lamp of the LED drive circuit for adjusting of controllable silicon shown in Fig. 1.
Embodiment
And the utility model is described in detail below with reference to the accompanying drawings in conjunction with the embodiments.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
As shown in Figure 1, controllable silicon LED drive circuit for adjusting 10 in one of them embodiment of the utility model comprises thyristor regulating light control circuit 11 and switching over color temperature controlling circuit 12, described thyristor regulating light control circuit 11 comprises controllable silicon regulator SCR, EMI safety circuit 115, current rectifying and wave filtering circuit 111, switching inverter circuit 112, constant current output circuit 113 and detects feedback circuit 114, wherein, controllable silicon regulator SCR can carry out step-less adjustment, and its adjustable range is the 10%-100% of maximum output current.EMI safety circuit 115 is the output ensureing to meet the requirement of relevant safety, and the input of EMI safety circuit 115 is connected with controllable silicon regulator SCR.The input of current rectifying and wave filtering circuit 111 is connected with the output of EMI safety circuit 115, current rectifying and wave filtering circuit 111 is that the input AC of transformer electricity is exported direct current, and filtering, the current rectifying and wave filtering circuit 111 in the present embodiment mainly comprises bridge-type and arranges diode D1, piezo-resistance RZ2, filter capacitor C1 and inductance coil L1.Switching inverter circuit 112 forms primarily of integrated chip U1, polar capacitor C2, NPN triode, N-type MOS transistor and transformer T1.The output of described constant current output circuit 113 connects positive output terminals LED+, and constant current output circuit 113 effect ensures that constant output current is constant.Detect feedback circuit 114 and comprise chip U3, photoelectric switch OPTOISO (light-emitting diode+photodiode).
Described switching over color temperature controlling circuit 12 comprises power circuit 121, switch detection circuit 122, single chip machine controlling circuit 123, one MOS switching tube Q1 and the 2nd MOS switching tube Q2, two inputs of described switch detection circuit 122 respectively with two contact A CN of mains switch (not shown), ACL connects, the output of described switch detection circuit 122 is connected with the input of described single chip machine controlling circuit 123, two outputs of described single chip machine controlling circuit 123 are connected with the grid of a described MOS switching tube 01 and described 2nd MOS switching tube Q2 respectively, a described MOS switching tube Q1 is connected the first negative output terminals LED1-and the second negative output terminals LED2-respectively with the drain electrode of described 2nd MOS switching tube Q2, the source ground of a described MOS switching tube Q1 and described 2nd MOS switching tube Q2, described power circuit 121 provides power supply for described single chip machine controlling circuit 123.When mains switch carries out ON/OFF switching, single chip machine controlling circuit 123 controls a MOS switching tube Q1 and the 2nd MOS switching tube Q2 switches.
Preferably, described switching over color temperature controlling circuit 12 also comprises the first diode and the second diode, and described first diode and described second diode are connected in series between two inputs of described switch detection circuit 122 and two contacts of described mains switch respectively.
Preferably, described switching over color temperature controlling circuit 12 also comprises the first resistance R1 and the second resistance R2, and described first resistance R1 and described second resistance R2 is connected in series between two inputs of described switch detection circuit 122 and two contacts of described mains switch respectively.
Preferably, described switching over color temperature controlling circuit 12 also comprises the 3rd resistance R3 and the 4th resistance R4, and described 3rd resistance R3 and described 4th resistance R4 is connected in series between two outputs of described single chip machine controlling circuit 123 and the grid of a described MOS switching tube Q1 and described 2nd MOS switching tube Q2 respectively.
Figure 2 shows that the circuit diagram of the LED lamp of the drive circuit used in Fig. 1, this LED lamp has the first LED array 20, second LED array 30 and the controllable silicon LED drive circuit for adjusting 10 shown in above-described embodiment, described first LED array 20 is connected with the described positive output terminals LED+ of described LED drive circuit with the positive pole of described second LED array 30, and described first LED array 20 is connected with described first negative output terminals LED1-and described second negative output terminals LED2-respectively with the negative pole of described second LED array 30.Preferably, described first LED array 20 is made up of multiple warm colour LED unit, and described second LED array 30 is made up of multiple cool colour LED unit.Further, the colour temperature of described warm colour LED unit is 2700K, and the colour temperature of described cool colour LED unit is 6500K.Like this, colour temperature and the luminous flux of the first LED array 20 are constant, by Switching power ON/OFF switch, regulate colour temperature and the luminous flux of the second LED array 30, thus realize the adjustment of whole LED lamp colour temperature and luminous flux, simple economy, widely applicable.
LED lamp is owing to have employed this drive circuit 10, when switch detection circuit 122 detects mains switch action, single chip machine controlling circuit 123 controls a MOS switching tube (the being set to a MOS switching tube Q1) conducting in a MOS switching tube Q1, the 2nd MOS switching tube Q2, another MOS switching tube (being set to the 2nd MOS switching tube Q2) disconnects, the the first LED array work be connected with the first negative output terminals LED1-, can be carried out the luminous flux of step-less adjustment first LED array by the knob of controllable silicon SCR, now the second LED array does not work; When needs color-temperature regulating, operating power switch, switch detection circuit 122 detects mains switch action, single chip machine controlling circuit 123 controls the 2nd MOS switching tube Q2 conducting, one MOS switching tube Q1 disconnects, the the second LED array work be connected with the second negative output terminals LED2-, can be carried out the luminous flux of step-less adjustment second LED array by the knob of controllable silicon SCR, now the first LED array does not work.
As can be seen here, the controllable silicon LED drive circuit for adjusting 10 of the utility model embodiment, power source ON/OFF switching over colour temperature can be passed through, then electrodeless adjustment is carried out by thyristor regulating optical circuit, thus realize the integrating control of colour temperature and luminous flux, compared to the existing LED drive circuit adopting PWM technology, there is simple and easy easy-to-use, advantage that cost is low.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (8)
1. a controllable silicon LED drive circuit for adjusting, comprising:
Thyristor regulating light control circuit, described thyristor regulating light control circuit comprises controllable silicon regulator, current rectifying and wave filtering circuit, switching inverter circuit, constant current output circuit and detection feedback circuit, and the output of described constant current output circuit connects positive output terminals;
It is characterized in that, also comprise:
Switching over color temperature controlling circuit, described switching over color temperature controlling circuit comprises power circuit, switch detection circuit, single chip machine controlling circuit, one MOS switching tube and the 2nd MOS switching tube, two inputs of described switch detection circuit are connected with two contacts of mains switch respectively, the output of described switch detection circuit is connected with the input of described single chip machine controlling circuit, two outputs of described single chip machine controlling circuit are connected with the grid of a described MOS switching tube and described 2nd MOS switching tube respectively, a described MOS switching tube is connected the first negative output terminals and the second negative output terminals respectively with the drain electrode of described 2nd MOS switching tube, the source ground of a described MOS switching tube and described 2nd MOS switching tube, described power circuit provides power supply for described single chip machine controlling circuit.
2. controllable silicon LED drive circuit for adjusting according to claim 1, it is characterized in that, described switching over color temperature controlling circuit also comprises the first diode and the second diode, and described first diode and described second diode are connected in series between two inputs of described switch detection circuit and two contacts of described mains switch respectively.
3. controllable silicon LED drive circuit for adjusting according to claim 1, it is characterized in that, described switching over color temperature controlling circuit also comprises the first resistance and the second resistance, and described first resistance and described second resistance are connected in series between two inputs of described switch detection circuit and two contacts of described mains switch respectively.
4. controllable silicon LED drive circuit for adjusting according to claim 1, it is characterized in that, described switching over color temperature controlling circuit also comprises the 3rd resistance and the 4th resistance, and described 3rd resistance and described 4th resistance are connected in series between two outputs of described single chip machine controlling circuit and the grid of a described MOS switching tube and described 2nd MOS switching tube respectively.
5. controllable silicon LED drive circuit for adjusting as claimed in any of claims 1 to 4, it is characterized in that, described thyristor regulating light control circuit also comprises EMI safety circuit, and described EMI safety circuit is arranged between described controllable silicon regulator and described current rectifying and wave filtering circuit.
6. a LED lamp, comprise the first LED array, the second LED array and drive circuit, it is characterized in that, described drive circuit is for as the LED drive circuit in claim 1 to 5 as described in any one, the positive pole of described first LED array and described second LED array and the described cathode output end sub-connection of described LED drive circuit, the negative pole of described first LED array and described second LED array respectively with described first negative output terminals and described second cathode output end sub-connection.
7. LED lamp according to claim 6, is characterized in that, described first LED array is made up of multiple warm colour LED unit, and described second LED array is made up of multiple cool colour LED unit.
8. LED lamp according to claim 7, is characterized in that, the colour temperature of described warm colour LED unit is 2700K, and the colour temperature of described cool colour LED unit is 6500K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358105.XU CN204090211U (en) | 2014-06-30 | 2014-06-30 | Controllable silicon LED drive circuit for adjusting and use the LED lamp of this circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358105.XU CN204090211U (en) | 2014-06-30 | 2014-06-30 | Controllable silicon LED drive circuit for adjusting and use the LED lamp of this circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204090211U true CN204090211U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358105.XU Expired - Lifetime CN204090211U (en) | 2014-06-30 | 2014-06-30 | Controllable silicon LED drive circuit for adjusting and use the LED lamp of this circuit |
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| Country | Link |
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| CN (1) | CN204090211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235517A (en) * | 2018-01-25 | 2018-06-29 | 深圳民爆光电技术有限公司 | A kind of lighting driving device for protecting eyesight |
| CN109275237A (en) * | 2018-11-27 | 2019-01-25 | 上海顿格电子贸易有限公司 | A kind of color temperature-tunable LED circuit of tunable optical |
-
2014
- 2014-06-30 CN CN201420358105.XU patent/CN204090211U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235517A (en) * | 2018-01-25 | 2018-06-29 | 深圳民爆光电技术有限公司 | A kind of lighting driving device for protecting eyesight |
| CN109275237A (en) * | 2018-11-27 | 2019-01-25 | 上海顿格电子贸易有限公司 | A kind of color temperature-tunable LED circuit of tunable optical |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171011 Address after: 519000 Guangdong province science and technology innovation of Zhuhai high tech Zone in Coast Road No. 1 Building No. 2 -2 a Patentee after: ETI SOLID STATE LIGHTING (ZHUHAI) Ltd. Address before: 4 building, No. six, No. 18, Harbour Road, Tang Wan Town, Zhuhai, Guangdong, 519000 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20150107 |