CN205196033U - Wireless LED power of adjusting luminance - Google Patents
Wireless LED power of adjusting luminance Download PDFInfo
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- CN205196033U CN205196033U CN201520854192.2U CN201520854192U CN205196033U CN 205196033 U CN205196033 U CN 205196033U CN 201520854192 U CN201520854192 U CN 201520854192U CN 205196033 U CN205196033 U CN 205196033U
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Abstract
The utility model discloses a wireless LED power of adjusting luminance relates to the LED power technology field. The power of adjusting luminance includes electromagnetism filtering and inputs rectifier circuit, single -stage PFC power switching constant current circuit, wireless light modulation control circuit, high -frequency transformer T1, output Rectifier filter circuit and remove the ripple circuit. That wireless LED power of adjusting luminance is elementarily single -stage PFC power switching constant current circuit, uses single -stage power switching circuit elementarily, and wireless light modulation control circuit also lies in elementarily, secondary by output Rectifier filter circuit with go the ripple circuit to form, whole circuit is the elementary limit current control of PSR, required component is less, the cost is lower, efficiency is higher.
Description
Technical field
The utility model relates to LED power technical field, particularly relates to the wireless LED dimming power source that a kind of components and parts are few, cost is low, efficiency is high.
Background technology
Be illustrated in figure 1 a kind of wireless LED dimming power source of the prior art, transformer T1 elementary is the two stage power commutation circuit of em filtering and input rectification circuit, PFC inductance and drive circuit and power switch driving circuit composition, Wireless Light modulating control circuit is secondary transformer T1's, the secondary of transformer T1 controls primary circuit by voltage and current control circuit and optocoupler U1, it is SSR secondary side Current Control, required element is more, and cost is higher, and efficiency is lower.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of wireless LED dimming power source, and described dimming power source has the advantages that components and parts are few, cost is low, efficiency is high.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of wireless LED dimming power source, it is characterized in that: comprise em filtering and input rectification circuit, power switches constant-current circuit, Wireless Light modulating control circuit, transformer T1, output rectifier and filter and remove ripple current, AC power live wire L is connected with the power input of described em filtering and input rectification circuit with AC power zero line N, described em filtering is connected with the input that power switches constant-current circuit with the power output end of input rectification circuit, the output that described power switches constant-current circuit is connected with the elementary of transformer T1, the control end that control output end and the described power of described Wireless Light modulating control circuit switch constant-current circuit is connected, the input of the secondary and output rectifier and filter of described transformer T1 is connected, the output of described output rectifier and filter is the power output end of described dimming power source.
Further technical scheme is: it is that single-stage PFC power switches constant-current circuit that described power switches constant-current circuit.
Further technical scheme is: described transformer T1 is high frequency transformer.
The beneficial effect adopting technique scheme to produce is: the elementary of described wireless LED dimming power source is that single-stage PFC power switches constant-current circuit, elementary use single stage power commutation circuit, and Wireless Light modulating control circuit is also located at elementary, secondary by output rectifier and filter and go ripple current to form, whole circuit is PSR primary edge Current Control, required element is less, and cost is lower, and efficiency is higher.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is a kind of wireless LED dimming power source of the prior art;
Fig. 2 is the wireless LED dimming power source of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 2, present embodiment discloses a kind of wireless LED dimming power source, comprise em filtering and input rectification circuit, single-stage PFC power switching constant-current circuit, Wireless Light modulating control circuit, high frequency transformer T1, output rectifier and filter and remove ripple current.AC power live wire L is connected with the power input of described em filtering and input rectification circuit with AC power zero line N, described em filtering is connected with the input that single-stage PFC power switches constant-current circuit with the power output end of input rectification circuit, the output that described single-stage PFC power switches constant-current circuit is connected with the elementary of high frequency transformer T1, the control end that control output end and the described single-stage PFC power of described Wireless Light modulating control circuit switch constant-current circuit is connected, the input of the secondary and output rectifier and filter of described high frequency transformer T1 is connected, the output of described output rectifier and filter is the power output end of described dimming power source.
The elementary of described wireless LED dimming power source is that single-stage PFC power switches constant-current circuit, elementary use single stage power commutation circuit, and Wireless Light modulating control circuit is also located at elementary, secondary by output rectifier and filter and go ripple current to form, whole circuit is PSR primary edge Current Control, required element is less, and cost is lower, and efficiency is higher.
Claims (3)
1. a wireless LED dimming power source, it is characterized in that: comprise em filtering and input rectification circuit, power switches constant-current circuit, Wireless Light modulating control circuit, transformer T1, output rectifier and filter and remove ripple current, AC power live wire L is connected with the power input of described em filtering and input rectification circuit with AC power zero line N, described em filtering is connected with the input that power switches constant-current circuit with the power output end of input rectification circuit, the output that described power switches constant-current circuit is connected with the elementary of transformer T1, the control end that control output end and the described power of described Wireless Light modulating control circuit switch constant-current circuit is connected, the input of the secondary and output rectifier and filter of described transformer T1 is connected, the output of described output rectifier and filter is the power output end of described dimming power source.
2. wireless LED dimming power source as claimed in claim 1, is characterized in that: it is that single-stage PFC power switches constant-current circuit that described power switches constant-current circuit.
3. wireless LED dimming power source as claimed in claim 1, is characterized in that: described transformer T1 is high frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520854192.2U CN205196033U (en) | 2015-10-31 | 2015-10-31 | Wireless LED power of adjusting luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520854192.2U CN205196033U (en) | 2015-10-31 | 2015-10-31 | Wireless LED power of adjusting luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205196033U true CN205196033U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520854192.2U Active CN205196033U (en) | 2015-10-31 | 2015-10-31 | Wireless LED power of adjusting luminance |
Country Status (1)
| Country | Link |
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| CN (1) | CN205196033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307332A (en) * | 2015-10-31 | 2016-02-03 | 广东新昇电业科技股份有限公司 | Wireless LED dimming power supply |
| WO2018169520A1 (en) * | 2017-03-14 | 2018-09-20 | University Of Tennessee Research Foundation | Single-stage transmitter for wireless power transfer |
-
2015
- 2015-10-31 CN CN201520854192.2U patent/CN205196033U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307332A (en) * | 2015-10-31 | 2016-02-03 | 广东新昇电业科技股份有限公司 | Wireless LED dimming power supply |
| WO2018169520A1 (en) * | 2017-03-14 | 2018-09-20 | University Of Tennessee Research Foundation | Single-stage transmitter for wireless power transfer |
| US11011936B2 (en) | 2017-03-14 | 2021-05-18 | University Of Tennessee Research Foundation | Single-stage transmitter for wireless power transfer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |