CN207455252U - A kind of high light efficiency LED light bar - Google Patents
A kind of high light efficiency LED light bar Download PDFInfo
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- CN207455252U CN207455252U CN201721475300.0U CN201721475300U CN207455252U CN 207455252 U CN207455252 U CN 207455252U CN 201721475300 U CN201721475300 U CN 201721475300U CN 207455252 U CN207455252 U CN 207455252U
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Abstract
The utility model discloses a kind of high light efficiency LED light bar, it is formed in parallel including several LED unit circuits that can work independently, the LED unit circuit that each can work independently includes several LED parallel units and at least one divider resistance is in series, each LED parallel units are formed in parallel by least 2 LED, the light bar length range in the LED unit circuit that each of which can work independently is 1.5 meters to 2.5 meters, the quantitative range for the LED parallel units that each LED unit circuit includes is 36 to 80, the voltage Vi at the both ends in each LED unit circuit, the summation VLED of the both end voltage of each LED parallel units, and the summation VR of each divider resistance both end voltage meets：Increase the summation VLED of the LED unit circuit both end voltage of each autonomous working, improve electro-optical efficiency, reduce useless heat energy loss, add the luminous flux of LED light strip.
Description
Technical field
The utility model is related to a kind of high light efficiency LED light bar.
Background technology
As shown in Figure 1, existing market sale LED light strip be H meters of an overall length light bar, length H can be 100 meters or
80 meters or 50 meters of person is parallel with several sections of LED unit circuits that can work independently in parallel, often in LED light strip H meters long
The LED unit circuit that section works independently grows 1 meter, and sale is shown cuts certain rice number according to the requirement of consumer load, and price be with
Rice calculates, such as, consumer can propose to want 5 meters of LED light strip, then just being disappeared in 5 meters of the LED light strip cutting of H meter of overall length
Fei Zhe, in fact this 5 meters LED light strip contain 5 sections of LED unit circuits that can work independently.
As shown in Figure 2 and Figure 3, the LED unit circuit that can work independently on the basis of long 1 meter of LED light strip on the market at present
It is in series including 30 LED parallel units and several divider resistances, each LED parallel units have by two or more
The advantages of LED individuals compose in parallel, this LED light strip be, when the wherein LED individual in LED parallel units breaks down not
Entire LED unit circuit can be caused not work and lose product function, the operation is stable；The drawback is that LED unit loop power conversion effect
Rate is low.Input light bar electric energy by 220V voltage-drop loadings in LED product, and actual LED light source only need 90V operating voltages (often
The pressure drop of a LED parallel units is 3V, and 30 LED parallel units divide 90V), remaining 130V voltages will by divider resistance
Extra electric energy is consumed in a manner of changing into thermal energy, and actually energy design loses, and product temperature is caused to raise the lost of life.This
The LED unit circuit of sample, light efficiency is low, and luminous flux is low, and industry is referred to as double low.
In addition, also there is the LED unit circuit that can work independently on the basis of long 1 meter of LED light strip to include 60 LED at present
Monomer lamp and several divider resistances are in series, although improving light efficiency, job insecurity is reliable, wherein a LED individual is bad
It will cause entire LED unit loop open circuit when falling, lose the normal usage function of product.
Utility model content
The utility model provides a kind of high light efficiency LED light bar, and to solve the technical issues of is：Do not increasing cost, protecting
On the basis of demonstrate,proving the operation is stable, electro-optical efficiency is improved, useless heat energy loss is reduced, increases the luminous flux of LED light strip.
What the technical solution of the utility model was realized in：
A kind of high light efficiency LED light bar provided by the utility model, the LED unit circuit that can work independently including several is simultaneously
Join, the LED unit circuit that each can work independently includes several LED parallel units and at least one partial pressure electricity
Resistance is in series, and each LED parallel units are formed in parallel by least 2 LED, it is characterised in that：Each it can work independently
The light bar length range in LED unit circuit be 1.5 meters to 2.5 meters of scope, the LED unit circuit bag that each can work independently
The quantitative range of the LED parallel units included is 36 to 80, the both ends in the LED unit circuit that each can work independently
Voltage Vi, the summation VLED of both end voltage of each LED parallel units and the summation VR of each divider resistance both end voltage meet：
VLED+VR=Vi,
The quantitative range 48 for the LED parallel units that the LED unit circuit that each can work independently described above includes
To 72.
The quantitative range for the LED parallel units that the LED unit circuit that each can work independently includes 56 to 64.
The light bar length range in the LED unit circuit that each can work independently described above is 1.8 meters to 2.2 meters of model
It encloses, the quantitative range for the LED parallel units that the LED unit circuit that each can work independently includes is 48 to 72.
The light bar length range in the LED unit circuit that each can work independently described above is 2 meters of scope, Mei Geke
The quantitative range for the LED parallel units that the LED unit circuit of autonomous working includes is 48 to 72.
LED parallel units described above are to be formed in parallel either to be formed in parallel or by 4 by 3 LED by 2 LED
LED is formed in parallel.
Divider resistance described above uses 1206 models or the packaged resistance of 0805 model or 1210 models.
Multiple divider resistances are equipped in the LED unit circuit that each can work independently described above, it is multiple described
Divider resistance is disposed between each LED parallel units.
The voltage Vi at the LED unit circuit both ends that the LED unit circuit that each can work independently each can work independently is
220V±20V。
LED light strip described in the utility model compared with prior art, has the advantage that：
The light bar length range in the LED unit circuit that the 1st, each can work independently is 1.5 meters to 2.5 meters of scope, each
The quantitative range for the LED parallel units that the LED unit circuit that can work independently includes is 40 to 80, it is described each can be independent
The voltage Vi at the both ends in the LED unit circuit of work, each LED parallel units both end voltage summation VLED and each partial pressure
The summation VR of resistance both end voltage meets：VLED+VR=Vi, 0.5Vi≤VLED≤Vi, LED light strip described in the utility model are fitted
Locality adds the number of LED parallel units and increases the light bar length in the LED unit circuit that each can work independently, and is ensureing
Cost be basically unchanged with it is stable and reliable in work under the premise of, increase the summation VLED of each LED parallel units both end voltage, increase
The brightness of LED light strip is added, has improved luminous flux, reduced the voltage of each divider resistance, reduced useless energy consumption, reach
The purpose of energy efficiency；
2nd, the divider resistance in the LED unit circuit that each can work independently is disposed on the LED parallel units
Between, disperse the heat energy loss of LED parallel units, reduce the operating temperature of LED light strip；
3rd, divider resistance uses common 1206 model or the packaged resistance of 0805 model or 1210 models, work
Stablize, production finished product is low.
Description of the drawings
Fig. 1 is the structure diagram of LED light strip in the prior art；
Fig. 2 is the circuit block diagram of LED light strip in the prior art；
Fig. 3 is the circuit diagram in the LED unit circuit that can work independently of LED light strip in the prior art；
Fig. 4 is the structure diagram for the LED light strip that the utility model embodiment one provides；
Fig. 5 is the circuit block diagram for the LED light strip that the utility model embodiment one provides；
Fig. 6 is the circuit diagram for the LED light strip that the utility model embodiment one provides.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The scope of the utility model protection.
Embodiment one：
As shown in Figure 4, Figure 5, a kind of high light efficiency LED light bar provided in this embodiment, can work independently including several
LED unit circuit 1 is formed in parallel, and the LED unit circuit 1 that each can work independently includes several LED parallel units
11 and at least one divider resistance 12 be in series, each LED parallel units 11 are formed in parallel by least 2 LED, each
The light bar length range in the LED unit circuit 1 that can work independently is 1.5 meters to 2.5 meters of scope, each be can work independently
The quantitative range for the LED parallel units 11 that LED unit circuit 1 includes is 36 to 80, the LED that each can work independently
The voltage Vi at the both ends of element loop 1, the total D of E of each pressure L and simultaneously V connection R Dan Manyuan foots 1：The two D+ ends VR electricity of LE of 1V=V pressure i,
21 total V and iV≤LVELDE, D≤with V and i.Each 12 both ends of divider resistance electricity
As shown in Figure 6, it is assumed that n LED parallel units 11 are equipped in the LED unit circuit 1 that each can work independently,
Each 11 both end voltage of LED parallel units is respectively VL1, VL2, VL3 ... VLn, the summation of each 11 both end voltage of LED parallel units
VLED=VL1+VL2+VL3+ ...+VLn；Each LED parallel units are formed in parallel by 2 LED in figure
Assuming that m divider resistance 12, each divider resistance 12 are equipped in the LED unit circuit 1 that each can work independently
Both end voltage is respectively VR1, VR2, VR3 ... VRn, the summation VR=VR1+VR2+VR3 of each 12 both end voltage of divider resistance
+……+VRm；
The voltage Vi at 1 both ends of LED unit circuit that each can work independently, each 11 both end voltage of LED parallel units
12 both end voltage of summation VLED and each divider resistance summation VR meet：VLED+VR=Vi, 0.5Vi≤VLED≤Vi.
Preferably：LED light strip is the light bar of 90 meters of an overall length, the LED unit circuit 1 that can work independently containing 60,
The light bar length in the LED unit circuit 1 that each can work independently is 1.5 meters, and the LED unit circuit 1 that each can work independently can
With comprising 40 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 90 meters of an overall length, the LED unit circuit 1 that can work independently containing 60,
The light bar length in the LED unit circuit 1 that each can work independently is 1.5 meters, and the LED unit circuit 1 that each can work independently can
With comprising 48 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 90 meters of an overall length, the LED unit circuit 1 that can work independently containing 60,
The light bar length in the LED unit circuit 1 that each can work independently is 1.5 meters, and the LED unit circuit 1 that each can work independently can
With comprising 52 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 100 meters of an overall length, the LED unit circuit 1 that can work independently containing 40,
The light bar length in the LED unit circuit 1 that each can work independently is 2.5 meters, and the LED unit circuit 1 that each can work independently can
With comprising 80 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 100 meters of an overall length, the LED unit circuit 1 that can work independently containing 50,
The light bar length in the LED unit circuit 1 that each can work independently is 2 meters, and the LED unit circuit 1 that each can work independently can be with
Comprising 48 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 100 meters of an overall length, the LED unit circuit 1 that can work independently containing 50,
The light bar length in the LED unit circuit 1 that each can work independently is 2 meters, and the LED unit circuit 1 that each can work independently can be with
Comprising 60 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 100 meters of an overall length, the LED unit circuit 1 that can work independently containing 50,
The light bar length in the LED unit circuit 1 that each can work independently is 2 meters, and the LED unit circuit 1 that each can work independently can be with
Comprising 72 LED parallel units 11, each LED parallel units are formed in parallel by 2 LED.
Preferably：LED light strip is the light bar of 100 meters of an overall length, the LED unit circuit 1 that can work independently containing 50,
The light bar length in the LED unit circuit 1 that each can work independently is 2 meters, and the LED unit circuit 1 that each can work independently can be with
Comprising 62 either 64 or 66 or 68 LED parallel units 11, each LED parallel units be it is in parallel by 2 LED and
Into.
LED light strip described in this practicality example appropriately increases LED parallel units 11 and the LED that each can work independently
The light bar length of element loop 1 makes the LED unit circuit of autonomous working under the premise of guarantee reliable operation and cost are basically unchanged
Voltage VLED increase, add the brightness of LED light strip, improve luminous flux, reduce the voltage of each divider resistance 12, reduce
Useless energy consumption.
LED parallel units 11 described above are to be formed in parallel either to be formed in parallel or by 4 by 3 LED by 2 LED
LED is formed in parallel.Any one LED damage in LED parallel units 11 will not influence the work of other LED, ensure that
The normal work of entire LED light strip.
Multiple divider resistances 12 are equipped in the LED unit circuit 1 described above that each can work independently, it is multiple described
Divider resistance 12 is disposed between each LED parallel units 11.Divider resistance plays partial pressure current limliting in LED circuits
It uses, multiple divider resistances 12 are disposed on the thermal energy for making LED parallel units 11 between each LED parallel units 11
Loss is scattered, reduces the operating temperature of LED light strip.
The voltage Vi at 1 both ends of LED unit circuit that each can work independently described in the present embodiment is 220V ± 20V.
At this point, each 11 both end voltage of LED parallel units is VL1=3V, when the quantity of LED parallel units 11 is minimum
At 40, summation VLED=3V × (40)=120V of all 11 both end voltages of LED parallel units, each 12 both ends of divider resistance electricity
The summation VR=220V-120V=100V of pressure improves light efficiency than the LED light strip of tradition on the market, heat greatly reduces
Loss, has achieved the purpose that energy efficiency.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (9)
1. a kind of high light efficiency LED light bar is formed in parallel including several LED unit circuits that can work independently, described is each
The LED unit circuit that can work independently includes several LED parallel units and at least one divider resistance is in series, described every
A LED parallel units are formed in parallel by least 2 LED, it is characterised in that：The lamp in the LED unit circuit that each can work independently
Strip length scope is 1.5 meters to 2.5 meters of scope, the LED parallel units that the LED unit circuit that each can work independently includes
Quantitative range is 36 to 80, and voltage Vi, each LED at the both ends in the LED unit circuit that each can work independently are in parallel
The summation VLED of the both end voltage of the unit and summation VR of each divider resistance both end voltage meets：
VLED+VR=Vi,
2. a kind of high light efficiency LED light bar according to claim 1, it is characterised in that：The LED unit that each can work independently
The quantitative range for the LED parallel units that circuit includes 48 to 72.
3. a kind of high light efficiency LED light bar according to claim 2, it is characterised in that：The LED unit that each can work independently
The quantitative range for the LED parallel units that circuit includes 56 to 64.
4. a kind of high light efficiency LED light bar according to claim 1, it is characterised in that：The LED unit that each can work independently
The light bar length range in circuit is 1.8 meters to 2.2 meters of scope, and the LED that the LED unit circuit that each can work independently includes is simultaneously
The quantitative range of receipts or other documents in duplicate member is 48 to 72.
5. a kind of high light efficiency LED light bar according to claim 4, it is characterised in that：The LED unit that each can work independently
The light bar length range in circuit is 2 meters of scope, the LED parallel units that the LED unit circuit that each can work independently includes
Quantitative range is 48 to 72.
6. a kind of high light efficiency LED light bar according to claim 5, it is characterised in that：LED parallel units be by 2 LED simultaneously
Join and be either formed in parallel by 3 LED or be formed in parallel by 4 LED.
7. a kind of high light efficiency LED light bar according to claim 6, it is characterised in that：Divider resistance using 1206 models or
The packaged resistance of 0805 model of person or 1210 models.
8. a kind of high light efficiency LED light bar according to claim 6, it is characterised in that：The LED that each can work independently
Be equipped with multiple divider resistances in element loop, multiple divider resistances be disposed on each LED parallel units it
Between.
9. a kind of high light efficiency LED light bar according to claim 8, it is characterised in that：The LED that each can work independently
The voltage Vi at the both ends of element loop is 220V ± 20V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721475300.0U CN207455252U (en) | 2017-11-07 | 2017-11-07 | A kind of high light efficiency LED light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721475300.0U CN207455252U (en) | 2017-11-07 | 2017-11-07 | A kind of high light efficiency LED light bar |
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| Publication Number | Publication Date |
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| CN207455252U true CN207455252U (en) | 2018-06-05 |
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| CN201721475300.0U Active CN207455252U (en) | 2017-11-07 | 2017-11-07 | A kind of high light efficiency LED light bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375220A (en) * | 2019-07-08 | 2019-10-25 | 彭建发 | A kind of high brightness high pressure is without conducting wire strip resistance LED light strip |
-
2017
- 2017-11-07 CN CN201721475300.0U patent/CN207455252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375220A (en) * | 2019-07-08 | 2019-10-25 | 彭建发 | A kind of high brightness high pressure is without conducting wire strip resistance LED light strip |
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