CN204993986U - Novel exchange LED lamp - Google Patents
Novel exchange LED lamp Download PDFInfo
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- CN204993986U CN204993986U CN201520612190.2U CN201520612190U CN204993986U CN 204993986 U CN204993986 U CN 204993986U CN 201520612190 U CN201520612190 U CN 201520612190U CN 204993986 U CN204993986 U CN 204993986U
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- led
- led group
- integrated circuit
- voltage switch
- lamp
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Abstract
The utility model discloses a novel exchange LED lamp, including rectifier circuit, a plurality of LED banks and IC voltage switch integrated circuit, rectifier circuit inserts AC input, each the LED banks is established ties, and rectifier circuit, every are gone into to the one of which termination the LED banks be connected with IC voltage switch integrated circuit, the IC voltage switch integrated circuit be connected with rectifier circuit, the utility model provides high lamp pearl per second reaches the number of times of specified luminance and the availability factor of electric energy, the terminal voltage of guaranteeing the lamp pearl has prolonged lamp pearl life no longer than its rated voltage.
Description
Technical field
The utility model relates to lighting technical field, particularly relates to a kind of novel AC LED lamp.
Background technology
LED light-emitting diode is a kind of can be the solid-state semiconductor device of visible ray by electric energy conversion, and it can be directly luminous energy electric energy conversion.Present extensive use be DCLED lamp, i.e. direct-current LED lamp, ACLED(AC LED lamp) be relative to traditional DCLED(direct-current LED lamp), need not change through AC/DC, can directly plug-in in 220V(or 110V) alternating current use LED illumination technology.And existing AC LED lamp, it is the LED array that at least two group conducting directions in parallel are contrary on substrate, this structure, breaks down if there is one in series lamp pearl, and so this loop is just obstructed, only have another group lamp pearl bright at the lower half of alternating current, often organize lamp pearl light on and off 25 times in prior art, with slight stroboscopic, lamp pearl reaches rated voltage 25 times per second simultaneously, namely lamp pearl reaches nominal brightness 25 times per second, electric energy service efficiency lower (as shown in Figure 1).
China Patent No. is separately had to be: 200510020493.6, disclose a kind of AC LED lighting lamp, comprise ac input end and be connected to the AC LED filament between ac input end, described AC LED filament comprises the contrary light emitting diode matrix of at least two group conducting directions in parallel.Described AC LED filament can also have integrated structure.Have one to break down in above-mentioned patent series lamp pearl, so the loop that breaks down of lamp pearl is obstructed, and frequency is lower simultaneously, and electric energy service efficiency is lower.
Utility model content
In order to overcome the defect of above-mentioned prior art, the utility model provides a kind of novel AC LED lamp, and this novel AC LED lamp improves the lamp pearl number of times reaching nominal brightness per second, and the service efficiency of electric energy; Ensure that the terminal voltage of lamp pearl is no more than its rated voltage, extend lamp pearl useful life.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of novel AC LED lamp, it is characterized in that: comprise rectification circuit, multiple LED group and IC voltage switch integrated circuit, described rectification circuit incoming transport input, LED group series connection described in each, one termination enters rectification circuit, each described LED group is connected with IC voltage switch integrated circuit, and described IC voltage switch integrated circuit is connected with the other end of rectification circuit.
Described rectification circuit is bridge rectifier.
Each described LED group is composed in parallel by several lamp pearls.
Described IC voltage switch integrated circuit is integrated by several metal-oxide-semiconductor field effect transistors, and each described LED group is connected with one of them metal-oxide-semiconductor field effect transistor.
The utility model has the following advantages:
1, the utility model comprises bridge rectifier, multiple LED group and IC voltage switch integrated circuit, described rectification circuit incoming transport input, LED group series connection described in each, one termination enters rectification circuit, each described LED group is connected with IC voltage switch integrated circuit, described IC voltage switch integrated circuit is connected with rectification circuit, pulsation 220V direct current is become after bridge rectifier, its frequency is 100HZ, LED lamp bead will light on and off each second 100 times, considerably beyond the frequency that human eye can be differentiated, so people is completely imperceptible any flicker, IC voltage switch integrated circuit opens each LED group successively, improve the service efficiency of electric energy, ensure that the terminal voltage of lamp pearl is no more than its rated voltage, extend lamp pearl useful life.
2, each described LED group of the present utility model is composed in parallel by several lamp pearls, when certain lamp pearl is broken down, does not affect the normal illumination (terminal voltage of other lamp pearl remains unchanged) of other lamp pearl.
3, IC voltage switch integrated circuit of the present utility model is integrated by several metal-oxide-semiconductor field effect transistors, and each described LED group is connected with one of them metal-oxide-semiconductor field effect transistor, and metal-oxide-semiconductor ensure that the terminal voltage often organizing LED can not exceed its rated voltage.
Accompanying drawing explanation
Fig. 1 is the AC LED lamp circuit principle structure figure of prior art;
Fig. 2 is principle assumption diagram of the present utility model;
Fig. 3 is LED group structure principle chart of the present utility model;
Fig. 4 is the time dependent oscillogram of the utility model LED group voltage;
Fig. 5 is the schematic diagram of each LED group with change in voltage conducting;
Mark in figure: 1, rectification circuit, 2, IC voltage switch integrated circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment 1
As shown in Figure 2 and Figure 3, a kind of novel AC LED lamp, comprise rectification circuit 1, multiple LED group and IC voltage switch integrated circuit 2, wherein rectification circuit 1 is bridge rectifier, described rectification circuit 1 incoming transport input (i.e. AC mains), LED group series connection described in each, by one end of the LED group after series connection access rectification circuit 1, each described LED group is connected with IC voltage switch integrated circuit 2, then is connected with rectification circuit 1 by IC voltage switch integrated circuit 2.Pulsation 220V direct current is become after rectification, its frequency is 100HZ, LED lamp bead will light on and off each second 100 times, considerably beyond the frequency that human eye can be differentiated, so people is completely imperceptible any flicker, IC voltage switch integrated circuit opens each LED group successively, improves the service efficiency of electric energy; Ensure that the terminal voltage of lamp pearl is no more than its rated voltage, extend lamp pearl useful life.
More specifically, each described LED group is composed in parallel (as shown in Figure 3) by several lamp pearls, even if when certain lamp pearl is broken down, do not affect the normal illumination of other lamp pearl.
Described IC voltage switch integrated circuit 2 is by integrated (as shown in Figure 2, D1, D2, D3, the D4 of several metal-oxide-semiconductor field effect transistors ..., be each independent metal-oxide-semiconductor field effect transistor), each described LED group is connected with one of them metal-oxide-semiconductor field effect transistor.
It should be noted that: LED group, be made up of several LED lamp bead, described individual LED lamp bead, is a light-emitting diode.
Its operation principle following (here for 4 groups of LED groups, the rated voltage often organizing lamp pearl is 55V, and alternating current voltage is 220V, and in the present invention, the group number of LED group is determined by the rated voltage of lamp pearl):
After bridge rectifier, become pulsation 220V direct current, its frequency is 100HZ, and LED lamp bead will light on and off each second 100 times, considerably beyond the frequency that human eye can be differentiated, so people is completely imperceptible any flicker.
As shown in Figure 4, Figure 5, the pulsation be taken in 100 pulsation per second is analyzed, and Vinput is this time dependent voltage waveform of pulsing, and ID1 ~ ID4 is the electric current flowing through lamp pearl group LED group 1 ~ LED group 4 when variation in voltage; As can be seen from the figure during change in voltage, its change is very little, so external voltage change is less on the impact of lamp pearl brightness;
A, when Vinput<VD1 (D1 point voltage), all 4 lamp pearl groups all do not work (in figure Mode0 and Mode8 time period in);
B, when the metal-oxide-semiconductor conducting in Vinput >=VD1, D1, the cut-off of metal-oxide-semiconductor in D2 ~ D4, form loop at D1 place, LED group 1 is bright, and LED group 1 ~ LED group 4 does not work (in figure, Mode1 and the Mode7 time period is interior);
C, when the metal-oxide-semiconductor conducting in Vinput >=VD2, D2, the cut-off of metal-oxide-semiconductor in D1, D3, D4, forms loop at D2 place, LED group 1 and LED group 2 bright, LED group 3 ~ LED group 4 does not work (in figure, Mode2 and the Mode6 time period is interior);
D, when the metal-oxide-semiconductor conducting in Vinput >=VD3, D3, the cut-off of metal-oxide-semiconductor in D1, D2, D4, in formation loop, D3 place, LED group ~ LED group 4 is bright, and LED group 1 does not work; (in figure in Mode3 and the Mode5 time period)
E, when the metal-oxide-semiconductor conducting in Vinput >=VD4, D4, the cut-off of metal-oxide-semiconductor in D1, D2, D3, forms loop at D4 place, all LED bright (in figure, the Mode4 time period is interior);
F, so to go round and begin again, change 100 each second, the complete imperceptible flicker of human eye.
Claims (4)
1. a novel AC LED lamp, it is characterized in that: comprise rectification circuit (1), multiple LED group and IC voltage switch integrated circuit (2), described rectification circuit (1) incoming transport input, LED group series connection described in each, one termination enters rectification circuit (1), each described LED group is connected with IC voltage switch integrated circuit (2), and described IC voltage switch integrated circuit (2) is connected with rectification circuit (1).
2. the novel AC LED lamp of one according to claim 1, is characterized in that: described rectification circuit (1) is bridge rectifier.
3. the novel AC LED lamp of one according to claim 1, is characterized in that: each described LED group is composed in parallel by several lamp pearls.
4. the novel AC LED lamp of one according to claim 1, is characterized in that: described IC voltage switch integrated circuit (2) is integrated by several metal-oxide-semiconductor field effect transistors, and each described LED group is connected with one of them metal-oxide-semiconductor field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520612190.2U CN204993986U (en) | 2015-08-14 | 2015-08-14 | Novel exchange LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520612190.2U CN204993986U (en) | 2015-08-14 | 2015-08-14 | Novel exchange LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993986U true CN204993986U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520612190.2U Expired - Fee Related CN204993986U (en) | 2015-08-14 | 2015-08-14 | Novel exchange LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142270A (en) * | 2015-08-14 | 2015-12-09 | 四川华泰电气有限公司 | Alternating-current light-emitting diode (LED) lamp |
| CN106961762A (en) * | 2017-02-27 | 2017-07-18 | 南昌大学 | A kind of method that the special light fixture of the full spectrum of the low blue light of no stroboscopic is made up of incandescent lamp |
-
2015
- 2015-08-14 CN CN201520612190.2U patent/CN204993986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142270A (en) * | 2015-08-14 | 2015-12-09 | 四川华泰电气有限公司 | Alternating-current light-emitting diode (LED) lamp |
| CN106961762A (en) * | 2017-02-27 | 2017-07-18 | 南昌大学 | A kind of method that the special light fixture of the full spectrum of the low blue light of no stroboscopic is made up of incandescent lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 629000 ERON Road, Suining Economic Development Zone, Sichuan 3777, China Patentee after: Sichuan Huatai electric Limited by Share Ltd Address before: 629000 ERON Road, Suining Economic Development Zone, Sichuan 3777, China Patentee before: Sichuan Hua Tai Electric Applicance Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |