CN208337935U - Illuminating lamp band - Google Patents
Illuminating lamp band Download PDFInfo
- Publication number
- CN208337935U CN208337935U CN201820329465.5U CN201820329465U CN208337935U CN 208337935 U CN208337935 U CN 208337935U CN 201820329465 U CN201820329465 U CN 201820329465U CN 208337935 U CN208337935 U CN 208337935U
- Authority
- CN
- China
- Prior art keywords
- current
- light bar
- main body
- constant current
- lamp bead
- 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 claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001300398 Vitrina Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of illuminating lamp band involved by the utility model comprising light bar main body.Because being provided with a plurality of linear constant current IC constant-current circuits for emitting light in the light bar main body；The linear constant current IC constant-current circuit includes the LED lamp bead of a plurality of series connections, it is connected to LED lamp bead one end rectifying tube LED, it is connected to the current-limiting resistance R of the rectifying tube LED other end, the low pressure difference linearity constant current IC in tail end LED lamp bead is connected in series, the current-limiting resistance R is connect with the low pressure difference linearity constant current IC other end.When use, according to the characteristic of low voltage difference line constant current IC, in the low pressure difference linearity constant current IC range of nominal tension, the voltage and resistance at both ends change simultaneously in the light bar main body, so that the electric current of each LED lamp bead being set in light bar main body passed through remains unchanged, it ensure that the brightness that LED lamp bead is luminous in light bar main body is equally that, to not limited by light bar length, distance, the LED lamp bead light emission luminance in the light bar of head and the tail both ends is consistent.
Description
[technical field]
The utility model relates to a kind of illuminating lamp bands for decorative lamp industry.
[background technique]
Prior art illuminating lamp band includes light bar main body, is welded on 6 luminous LED lamp beads, welding in light bar main body and sets
The current-limiting resistance being placed in light bar main body.The current-limiting resistance is mainly used for controlling the function of the LED lamp bead light emission luminance.Make
Used time, since the resistance for being set to light bar main body upper limit leakage resistance is constant, as distance increases, the voltage at lamp string both ends is continuous
Decline, so that the operating current for the lamp bead being welded in light bar main body declines, leads to the LED lamp bead head and the tail both ends in light bar main body
Light emission luminance it is inconsistent, significantly limit light bar light emission luminance using effect and illuminating lamp band application range.
[utility model content]
In view of this, the technical problem to be solved by the utility model is to provide a kind of not restricted light bar length distance limitations
The illuminating lamp band that LED lamp bead light emission luminance in the light bar of head and the tail both ends is consistent.
Above-mentioned technical problem is solved thus, and the technical solution in the utility model uses a kind of illuminating lamp band comprising
Light bar main body；A plurality of linear constant current IC constant-current circuits for emitting light are provided in the light bar main body；The line
Property constant current IC constant-current circuit include 7 series connection LED lamp beads, be connected to LED lamp bead one end rectifying tube LED, be connected to whole
The low pressure difference linearity constant current IC in tail end LED lamp bead, the current-limiting resistance is connected in series in the current-limiting resistance R of the flow tube LED other end
R is connect with the low pressure difference linearity constant current IC other end.
According to described in above-mentioned technical characteristics, being provided with the protection capacitor C between LED lamp bead and LED lamp bead, and
The protection capacitor C other end is connected between current-limiting resistance R and low pressure difference linearity constant current IC.
According to described in above-mentioned technical characteristics, it is defeated that the both ends of the linear constant current IC constant-current circuit are respectively arranged with power supply
Enter pad, is provided with cutting and reversal connection instruction LDE lamp between the power input pad and power input pad, the cutting and anti-
Instruction LDE lamp is connect to be connected in parallel with power socket direction.
According to described in above-mentioned technical characteristics, set in light bar main body on the side of the cutting and reversal connection indication LED lamp
It is equipped with current-limiting resistance R.
According to described in above-mentioned technical characteristics, single-ended power institute's use scope of the light bar main body is between 4 meters to 5
Rice.
According to described in above-mentioned technical characteristics, the single-ended power institute voltage range of the light bar main body arrives for 24v
20.733V。
According to described in above-mentioned technical characteristics, the length of the light bar main body is less than 20 meters.
The advantageous effects of the utility model: because being provided in the light bar main body for emitting a plurality of of light
Linear constant current IC constant-current circuit；The linear constant current IC constant-current circuit includes the LED lamp bead of 7 series connections, is connected to LED light
Pearl one end rectifying tube LED is connected to the current-limiting resistance R of the rectifying tube LED other end, and the low pressure in tail end LED lamp bead is connected in series
Poor linear constant current IC, the current-limiting resistance R are connect with the low pressure difference linearity constant current IC other end.In use, permanent according to low voltage difference line
The characteristic of IC is flowed, in the low pressure difference linearity constant current IC range of nominal tension, the voltage and resistance at both ends are same in the light bar main body
Shi Bianhua ensure that light bar main body so that the electric current of each LED lamp bead being set in light bar main body passed through remains unchanged
The luminous brightness of upper LED lamp bead is the same, to not limited by light bar length distance, the LED lamp bead hair in the light bar of head and the tail both ends
Brightness is consistent.
With reference to the accompanying drawings and examples, the technical solution of the utility model is described in further detail.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of illuminating lamp band in the utility model；
Fig. 2 is the circuit diagram of illuminating lamp band described in the utility model；
Fig. 3 is the circuit diagram of linear constant current IC constant-current circuit described in the utility model；
Fig. 4 is the temperature characteristics figure of LED C-V characteristic in the utility model.
[specific embodiment]
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Shown in please refer to figs. 1 to 4, illustrate a kind of illuminating lamp band below with reference to embodiment comprising light bar main body 1, if
The a plurality of linear constant current IC constant-current circuits being placed in light bar main body 1, are set to the power input pad 2 at 1 both ends of light bar main body.
The linear constant current IC constant-current circuit includes the LED lamp bead 3 of a plurality of series connections, is connected to 3 one end of LED lamp bead
Rectifying tube LED is connected to the current-limiting resistance R of the rectifying tube LED other end, and the low pressure difference linearity in tail end LED lamp bead 3 is connected in series
Constant current IC, the current-limiting resistance R are connect with the low pressure difference linearity constant current IC other end.The one end the protection capacitor C is connected to LED light
Between pearl 3 and LED lamp bead 3, and the capacitor C other end is protected to be connected between current-limiting resistance R and low pressure difference linearity constant current IC.It is described
The both ends of linear constant current IC constant-current circuit are respectively arranged with power input pad 2, and the power input pad 2 is welded with power input
Cutting and reversal connection instruction LDE lamp 4 are provided between disk 2, the cutting and reversal connection instruction LDE lamp 4 are connected in parallel with power socket direction.
Current-limiting resistance R is provided in light bar main body on the side of the cutting and reversal connection indication LED lamp 4.The light bar main body it is single-ended
Power supply station's use scope is between 4 meters to 5 meters.Single-ended power institute's voltage range of the light bar main body is 24v to 20.733V.Institute
The length of light bar main body is stated less than 20 meters.
In the present embodiment, low pressure difference linearity constant current IC is used in the linear constant current IC constant-current circuit.According to low voltage difference
As long as linear constant current IC characteristic is it is found that the voltage of PI is greater than 0.3v, low pressure difference linearity constant current IC can work in constant current state.
7 LED lamp beads 3 are connected in series to form lamp string, the minimum normal working voltage of lamp string are as follows: (7*2.919+0.3=20.733V) makes
Illuminating lamp band can permit light bar FPC pressure drop be 3.267v when, the operating current of LED lamp bead 3 is maintained at 30mA, at this time lamp
Band head and the tail brightness is still consistent.Substantially increase the application range of light bar.It is two-sided using ounce's copper thickness in actual production
The FPC still consistent length of this case light bar head and the tail brightness is 20 meters.Between the power input pad 2 and power input pad 2
It is provided with cutting and reversal connection instruction LDE lamp 4, cuts and reversal connection instruction LDE lamp 4 is the LED light of one 0805 encapsulation, the LED light
It is mounted at the cutting of light bar, and in parallel with power socket direction, plays the role of reverse power connection instruction and clipping region instruction.Such as
When illuminating lamp band surface is covered with vitrina, the effect of instruction is cut clearly.It is improper to greatly reduce user's cutting
Caused by light bar scrap phenomenon.
As shown in figure 4, by the temperature characteristics figure of LED C-V characteristic it is found that the VF value of LED is not changeless.Work as LED
3 junction temperature of lamp bead or environment temperature raising are that VF value is on a declining curve.Resistance current limliting scheme light bar (lamp bead electric current I=(V-n*VF)/
R lamp bead electric current) can increase as the temperature rises, and the increase of electric current will cause the raising of junction temperature hence into extremely following
Ring.It also will appear above situation when unstable timing resistor current limliting scheme occurs in supply voltage, seriously affect the use of illuminating lamp band
Service life.Due to having used linear constant current IC in linear constant current IC constant-current circuit, by linear constant current IC constant current characteristic it is found that originally
The lamp bead electric current of case light bar is constant the case where being not in resistance current limliting scheme light bar.Substantially increase the stabilization of product
Property and reliability.
In the present embodiment, 3 electric current of LED lamp bead is 30mA, T=25 DEG C of temperature, supply voltage DC24V, special by photoelectricity
Property test data can to obtain LED lamp bead brightness at this time be 17.35lm, 3 light efficiency of LED lamp bead is 152.54lm/w, and lamp bead VF value is
2.919V.Six cluster of lamps, ornamental pearl structure of resistance current limliting is such as used, then having the total lumen of every section of light bar is 17.35lm*6=104.1lm, P=
0.03A*24V=0.72W, product light efficiency are 104.1lm/0.72w=144.58lm/w.According to seven cluster of lamps, ornamental pearl structure of this case,
Then having the total lumen of every section of light bar is 17.35lm*7=121.45lm, P=0.03A*24V=0.72W, and product light efficiency is
121.45lm/0.72w=168.68lm/w.The scheme light efficiency that present design specific resistance current limliting six is gone here and there is higher by 38%.Reaching
Energy conservation 38% in the case where same brightness.Apart from farther, ordinary circumstance is 20 meters for equal brightness in the case of the single-ended power.FPC
The resistance of deposited copper be physically present, constantly increase as the use length of light bar increases resistance.Resistance current limliting scheme light bar
(LED lamp bead electric current I=(V-n*VF)/R), due to current-limiting resistance resistance value be it is constant, I with use distance increase, lamp string both ends
Voltage will decline, the decline of the operating current of lamp bead just will appear the inconsistent situation of light bar head and the tail brightness, constrain significantly
The application range and using effect of light bar.
In conclusion because being provided with a plurality of linear constant current IC constant currents for emitting light in the light bar main body 1
Circuit；The linear constant current IC constant-current circuit includes the LED lamp bead 3 of 7 series connections, is connected to 3 one end rectifying tube of LED lamp bead
LED is connected to the current-limiting resistance R of the rectifying tube LED other end, and the low pressure difference linearity constant current in tail end LED lamp bead 3 is connected in series
IC, the current-limiting resistance R are connect with the low pressure difference linearity constant current IC other end.In use, according to the characteristic of low voltage difference line constant current IC,
In the low pressure difference linearity constant current IC range of nominal tension, the voltage and resistance at both ends change simultaneously in the light bar main body, so that
The electric current of each LED lamp bead 3 being set in light bar main body passed through be it is constant, ensure that in light bar main body that LED lamp bead 3 is sent out
The brightness of light keeps the same, so that not restricted light bar length distance limits, 4 light emission luminance of LED lamp bead in the light bar of head and the tail both ends
It is consistent.
Above by reference to the preferred embodiment of Detailed description of the invention the utility model, not thereby limit to the right of the utility model
Range.Those skilled in the art do not depart from made any modification, equivalent replacement in the scope of the utility model and essence and change
Into should all be within the interest field of the utility model.
Claims (7)
1. a kind of illuminating lamp band comprising light bar main body；It is characterized by: being provided in the light bar main body for emitting light
A plurality of linear constant current IC constant-current circuits of line；The linear constant current IC constant-current circuit includes the LED lamp bead of 7 series connections,
It is connected to LED lamp bead one end rectifying tube LED, is connected to the current-limiting resistance R of the rectifying tube LED other end, tail end LED light is connected in series
Low pressure difference linearity constant current IC on pearl, the current-limiting resistance R are connect with the low pressure difference linearity constant current IC other end；It is set in LED
Protection capacitor C between lamp bead and LED lamp bead.
2. illuminating lamp band according to claim 1, it is characterised in that: the protection capacitor C other end is connected to current-limiting resistance R
Between low pressure difference linearity constant current IC.
3. illuminating lamp band according to claim 1, it is characterised in that: the both ends of the linear constant current IC constant-current circuit are set respectively
It is equipped with power input pad, cutting and reversal connection instruction LDE lamp are provided between the power input pad and power input pad,
The cutting and reversal connection instruction LDE lamp are connected in parallel with power socket direction.
4. illuminating lamp band according to claim 3, it is characterised in that: lamp on the side of the cutting and reversal connection indication LED lamp
Current-limiting resistance R is provided in band main body.
5. illuminating lamp band according to claim 1, it is characterised in that: single-ended power institute's use scope of the light bar main body is situated between
In 4 meters to 5 meters.
6. illuminating lamp band according to claim 1, it is characterised in that: the single-ended power institute voltage range of the light bar main body is
24v to 20.733V.
7. illuminating lamp band according to claim 1, it is characterised in that: the length of the light bar main body is less than 20 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329465.5U CN208337935U (en) | 2018-03-09 | 2018-03-09 | Illuminating lamp band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329465.5U CN208337935U (en) | 2018-03-09 | 2018-03-09 | Illuminating lamp band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208337935U true CN208337935U (en) | 2019-01-04 |
Family
ID=64782929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329465.5U Expired - Fee Related CN208337935U (en) | 2018-03-09 | 2018-03-09 | Illuminating lamp band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208337935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307477A (en) * | 2019-08-05 | 2019-10-08 | 厦门集长新材料科技有限公司 | A kind of constant-voltage LED light bar cut |
| CN113759272A (en) * | 2021-09-10 | 2021-12-07 | 安克创新科技股份有限公司 | Intelligent lamp band length detection method and device and intelligent lamp band |
-
2018
- 2018-03-09 CN CN201820329465.5U patent/CN208337935U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307477A (en) * | 2019-08-05 | 2019-10-08 | 厦门集长新材料科技有限公司 | A kind of constant-voltage LED light bar cut |
| CN113759272A (en) * | 2021-09-10 | 2021-12-07 | 安克创新科技股份有限公司 | Intelligent lamp band length detection method and device and intelligent lamp band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |