CN204272422U - LED circuit and adopt the LED high-voltage light bar of this LED circuit - Google Patents
LED circuit and adopt the LED high-voltage light bar of this LED circuit Download PDFInfo
- Publication number
- CN204272422U CN204272422U CN201420581059.XU CN201420581059U CN204272422U CN 204272422 U CN204272422 U CN 204272422U CN 201420581059 U CN201420581059 U CN 201420581059U CN 204272422 U CN204272422 U CN 204272422U
- Authority
- CN
- China
- Prior art keywords
- led
- circuit
- groups
- group
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011324 bead Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000011049 pearl Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Led Devices (AREA)
Abstract
The utility model discloses a kind of LED circuit and adopt the LED high-voltage light bar of this LED circuit, LED circuit comprises: some groups of LED groups of series connection mutually, often organizes the LED light-emitting diodes that described LED group includes at least two series connection mutually; Some pressure limiting resistance, some described pressure limiting resistance to be connected in series in described in two adjacent groups between LED group respectively; It is characterized in that, also comprise: some shunt resistances, some described shunt resistances are connected in parallel with LED group described in some groups respectively.LED circuit of the present utility model, because each LED light-emitting diode often organized LED group or often organize LED group is connected in parallel to shunt resistance, due to the bypass effect of shunt resistance, when voltage is soaring suddenly, can not cause the open circuit in whole loop because of puncturing of part LED lamp bead, reliability greatly improves.
Description
Technical field
The utility model relates to lighting device, particularly relates to a kind of LED circuit and adopts the LED high-voltage light bar of this LED 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 LED lamp of remarkable power savings advantages more and more by the favor of people.
LED high-voltage light bar, directly connects civil power and uses, extensively should in various lighting environment, and especially illumination watched quietly by decoration.The some LED lamp bead of grouping serial or parallel connection are generally, series limiting resistor between each group LED lamp bead in the circuit of the LED high-voltage light bar of prior art.Fig. 1 gives the LED circuit schematic diagram of prior art, and citing as comprised the LED circuit of 60 LED lamp pearls, or adopts 60 and the full series system of resistance of every 2 one group, as (a) in Fig. 1, and first group of light emitting LED lamp pearl D
11, D
12for being connected in series mode, with the first series resistance R
s1connect; In like manner, n-th group of light emitting LED lamp pearl D
n1, D
n2, with the n-th series resistance R
s1connect; Or adopt every 2 one group of parallel connections 2 and 30 string mode in series with a resistor, as (b) in Fig. 1, first group of light emitting LED lamp pearl D
11, D
12for being connected in parallel, then with the first series resistance R
s1connect; In like manner, n-th group of light emitting LED lamp pearl D
n1, D
n2after parallel connection, with the n-th series resistance R
s1connect.For 60 full series systems, when line voltage rises suddenly 250V from specified 220V, the power of whole lamp has 10% to climb, wherein just probably there is part LED lamp bead breakdown and damage, even if so wherein a LED lamp pearl damages the breaking phenomena all unavoidably causing whole lamp loop, such LED just can not use and scrap, and scrappage is high.If 2 and 20 string modes, although voltage is soaring, the possibility of 2 in parallel LEDs punch through damage simultaneously reduces, LED loop open circuit probability reduces half, but there is higher damage scrappage, meanwhile, because the wherein part LED lamp bead of parallel connection is damaged, the light efficiency of whole lamp obviously reduces.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved in the utility model is, the LED circuit providing a kind of good reliability and the LED high-voltage light bar adopting this LED circuit.
In order to solve the problems of the technologies described above, a kind of LED circuit provided by the utility model, comprising:
Some groups of LED groups of mutual series connection, often organize described LED group and include at least two LED light-emitting diodes of mutually connecting;
Some pressure limiting resistance, some described pressure limiting resistance to be connected in series in described in two adjacent groups between LED group respectively;
Also comprise:
Some shunt resistances, some described shunt resistances are connected in parallel with LED group described in some groups respectively.
Wherein in an embodiment, the electric current flowing through described shunt resistance is I1, and the electric current flowing through the described LED group in parallel with this shunt resistance is I2, wherein, and I1 < I2.
Wherein in an embodiment, I1 < 1/2I2.
Wherein in an embodiment, often organize described LED group and comprise two described LED light-emitting diodes.
A kind of LED circuit provided by the utility model, comprising:
Some groups of LED groups of mutual series connection, often organize described LED group and include at least two LED light-emitting diodes of mutually connecting;
Some pressure limiting resistance, some described pressure limiting resistance to be connected in series in described in two adjacent groups between LED group respectively;
Also comprise:
Some shunt resistances, some described shunt resistances are connected in parallel with each LED light-emitting diode in LED group described in some groups respectively.
Wherein in an embodiment, the electric current flowing through described shunt resistance is I1, and the electric current flowing through the described LED light-emitting diode in parallel with this shunt resistance is I2, wherein, and I1 < I2.
Wherein in an embodiment, I1 < 1/2I2.
Wherein in an embodiment, often organize described LED group and comprise two described LED light-emitting diodes.
A kind of LED high-voltage light bar provided by the utility model, is characterized in that, above-mentioned LED circuit.
Wherein in an embodiment, described LED high-voltage light bar two ends are directly coupled with the electric main of 220V.
Compared with prior art, LED circuit of the present utility model, because each LED light-emitting diode often organized LED group or often organize LED group is connected in parallel to shunt resistance, due to the bypass effect of shunt resistance, when voltage is soaring suddenly, can not cause the open circuit in whole loop because of puncturing of part LED lamp bead, reliability greatly improves.
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 LED circuit schematic diagram of prior art;
Fig. 2 is the circuit diagram of the LED circuit in one of them embodiment of the utility model;
Fig. 3 is the circuit diagram of the LED circuit in another embodiment of the utility model.
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.
Fig. 2 is the circuit diagram of the LED circuit in one of them embodiment of the utility model.As shown in Figure 2, circuit diagram in the present embodiment comprises some groups of LED group D10, D20......Dn0, some pressure limiting resistance Rs1, Rs2......Rsn and some shunt resistance R11, R12, R21, R22......Rn1, Rn2, wherein, some groups of LED group D10, D20......Dn0 connect mutually, LED group D10 comprises two LED light-emitting diode D11, D12 of mutually connecting, LED group D20 comprises two LED light-emitting diode D21, D22 of mutually connecting, and LED group Dn0 comprises two LED light-emitting diode Dn1, Dn2 of mutually connecting; Some pressure limiting resistance Rs1, Rs2......Rsn are connected in series between two adjacent groups LED group respectively; Some shunt resistance R11, R12, R21, R22......Rn1, Rn2 are connected in parallel with each LED light-emitting diode in some groups of LED group D10, D20......Dn0 respectively, that is: shunt resistance R11, R12 is connected in the two ends of LED light-emitting diode D11, D12 of LED group D10 respectively in parallel, shunt resistance R21, R22 are connected in the two ends of LED light-emitting diode D21, D22 of LED group D20 respectively in parallel, and shunt resistance Rn1, Rn2 are connected in the two ends of LED light-emitting diode Dn1, Dn2 of LED group Dn0 respectively in parallel.
The LED circuit of the utility model embodiment is owing to have employed technique scheme, when voltage is soaring suddenly, even if wherein there is part LED light-emitting diode puncture and damage, but due to the by-pass shunt effect of shunt resistance, integral LED circuit can not cause breaking phenomena, and whole light effect is not also significantly reduced.Such circuit structure, simultaneously because resistance cost is lower relative to elements such as LED lamp bead, circuit is also simple, and the reliability of LED circuit is high, light efficiency good.
Preferably, the electric current flowing through described shunt resistance is I1, and the electric current flowing through the described LED light-emitting diode in parallel with this shunt resistance is I2, wherein, and I1 < I2.Further, I1 < 1/2I2, like this, shunt resistance less energy consumption, light efficiency is higher.
Fig. 3 is the circuit diagram of the LED circuit in another embodiment of the utility model, LED circuit in the present embodiment and the LED circuit in above-described embodiment unlike, some described shunt resistance R1, R2......Rn are connected in parallel with LED group D10, D20......Dn0 described in some groups respectively, that is: shunt resistance R1 and LED group D10 is connected in parallel, shunt resistance R2 and LED group D20 is connected in parallel, and shunt resistance Rn and LED group Dn0 is connected in parallel.Preferably, the electric current flowing through described shunt resistance is I1, and the electric current flowing through the described LED group in parallel with this shunt resistance is I2, wherein, and I1 < I2.Further, I1 < 1/2I2, like this, shunt resistance less energy consumption, light efficiency is higher.。
The utility model additionally provides a kind of LED high-voltage light bar, and this LED high-voltage light bar comprises above-mentioned LED circuit, and described LED high-voltage light bar two ends are directly coupled with the electric main of 220V.LED high-voltage light bar is owing to have employed above-mentioned LED circuit, and can greatly reduce because voltage climbs damages the probability that LED lamp bead causes open circuit, circuit reliability is high, light efficiency is high, and cost is low, and circuit is simple.
It is to be noted; exemplarily, above-described embodiment is all one group with 2 LEDs light-emitting diodes, and the conventional techniques means as the art are replaced; can 3,4 even other quantity such as 5 be one group, exception falls into protection range of the present utility model all.
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 (10)
1. a LED circuit, comprising:
Some groups of LED groups of mutual series connection, often organize described LED group and include at least two LED light-emitting diodes of mutually connecting;
Some pressure limiting resistance, some described pressure limiting resistance to be connected in series in described in two adjacent groups between LED group respectively;
It is characterized in that, also comprise:
Some shunt resistances, some described shunt resistances are connected in parallel with LED group described in some groups respectively.
2. LED circuit according to claim 1, is characterized in that, the electric current flowing through described shunt resistance is I1, and the electric current flowing through the described LED group in parallel with this shunt resistance is I2, wherein, and I1 < I2.
3. LED circuit according to claim 2, is characterized in that, I1 < 1/2I2.
4. LED circuit as claimed in any of claims 1 to 3, is characterized in that, often organizes described LED group and comprises two described LED light-emitting diodes.
5. a LED circuit, comprising:
Some groups of LED groups of mutual series connection, often organize described LED group and include at least two LED light-emitting diodes of mutually connecting;
Some pressure limiting resistance, some described pressure limiting resistance to be connected in series in described in two adjacent groups between LED group respectively;
It is characterized in that, also comprise:
Some shunt resistances, some described shunt resistances are connected in parallel with each LED light-emitting diode in LED group described in some groups respectively.
6. LED circuit according to claim 5, is characterized in that, the electric current flowing through described shunt resistance is I1, and the electric current flowing through the described LED light-emitting diode in parallel with this shunt resistance is I2, wherein, and I1 < I2.
7. LED circuit according to claim 6, is characterized in that, I1 < 1/2I2.
8. according to the LED circuit in claim 5 to 7 described in any one, it is characterized in that, often organize described LED group and comprise two described LED light-emitting diodes.
9. a LED high-voltage light bar, is characterized in that, comprises LED circuit as claimed in any of claims 1 to 8 in one of claims.
10. LED high-voltage light bar according to claim 9, is characterized in that, described LED high-voltage light bar two ends are directly coupled with the electric main of 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581059.XU CN204272422U (en) | 2014-10-09 | 2014-10-09 | LED circuit and adopt the LED high-voltage light bar of this LED circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581059.XU CN204272422U (en) | 2014-10-09 | 2014-10-09 | LED circuit and adopt the LED high-voltage light bar of this LED circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204272422U true CN204272422U (en) | 2015-04-15 |
Family
ID=52807266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420581059.XU Expired - Fee Related CN204272422U (en) | 2014-10-09 | 2014-10-09 | LED circuit and adopt the LED high-voltage light bar of this LED circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204272422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564898A (en) * | 2017-08-15 | 2018-01-09 | 深圳创维－Rgb电子有限公司 | A kind of white light LEDs being made up of RGB three primary colours and its application |
| WO2021031251A1 (en) * | 2019-08-19 | 2021-02-25 | 中山市弘木照明科技有限公司 | Low-dropout lamp strip circuit board and single-ended power supply lamp strip using same |
-
2014
- 2014-10-09 CN CN201420581059.XU patent/CN204272422U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564898A (en) * | 2017-08-15 | 2018-01-09 | 深圳创维－Rgb电子有限公司 | A kind of white light LEDs being made up of RGB three primary colours and its application |
| WO2019033725A1 (en) * | 2017-08-15 | 2019-02-21 | 深圳创维－Rgb电子有限公司 | White led consisting of three primary colors rgb and application thereof |
| WO2021031251A1 (en) * | 2019-08-19 | 2021-02-25 | 中山市弘木照明科技有限公司 | Low-dropout lamp strip circuit board and single-ended power supply lamp strip using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100472118C (en) | Decorative LED lamp string | |
| US20150208475A1 (en) | Drive circuit for led module | |
| CN203797441U (en) | Flexible SMD LED meteor light bar | |
| CN204272422U (en) | LED circuit and adopt the LED high-voltage light bar of this LED circuit | |
| CN201043720Y (en) | AC LED Lamp | |
| CN204084257U (en) | The T8LED fluorescent tube of a kind of compatible electronic ballast and Inductive ballast | |
| CN103731950B (en) | Illuminator and voltage reduction method thereof | |
| CN205489512U (en) | Prevent LED street lamp power supply unit of lightning surge | |
| CN201170520Y (en) | Efficient energy-saving lamp | |
| CN105764187A (en) | LED street lamp power supply system with two stages of lightning protection | |
| CN201731335U (en) | Alternating current direct-drive LED lamp tube | |
| CN201875511U (en) | Energy-saving LED (light-emitting diode) lighting lamp with high reliability and long service life | |
| CN105704860A (en) | High-reliability LED street lamp device | |
| CN204795757U (en) | LED lamp drive protection circuit | |
| CN202998593U (en) | Anti-impact power supply circuit and LED lamp | |
| CN202231911U (en) | LED lamp circuit used for refrigerator | |
| CN202584326U (en) | Simple anti-theft alarm | |
| CN103456137A (en) | Earthquake alarm | |
| CN204409379U (en) | Light mouse driving device | |
| CN104582159B (en) | A kind of LED light emission device | |
| CN103338559A (en) | LED lamp and protection circuit thereof | |
| CN201594934U (en) | Antistatic light emitting diode module | |
| WO2019179007A1 (en) | Led lighting device | |
| CN202511100U (en) | Improved light-emitting diode (LED) light string | |
| CN103298182B (en) | LED bypass protection circuit and LED |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190916 Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee after: ELEC-TECH INTERNATIONAL CO.,LTD. Address before: 4 building, No. six, No. 18, Harbour Road, Tang Wan Town, Zhuhai, Guangdong, 519000 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee after: Zhuhai Leishi Lighting Co.,Ltd. Address before: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee before: ELEC-TECH INTERNATIONAL 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: 20150415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |