CN207543378U - A kind of anti-reverse constant current IC light bar - Google Patents
A kind of anti-reverse constant current IC light bar Download PDFInfo
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- CN207543378U CN207543378U CN201721749405.0U CN201721749405U CN207543378U CN 207543378 U CN207543378 U CN 207543378U CN 201721749405 U CN201721749405 U CN 201721749405U CN 207543378 U CN207543378 U CN 207543378U
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- 239000011324 bead Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model is related to the technical fields of LED light strip, more particularly to a kind of anti-reverse constant current IC light bar, include N number of LED light band body, the both ends of N number of LED light band body are parallel between power cord respectively, the LED light band body includes reverse-connection preventing circuit and linear constant current IC light bar, and the both ends of reverse-connection preventing circuit and linear constant current IC light bar are parallel between power cord respectively.The beneficial effects of the utility model：Avoid the influence generated to VF values；Greatly improve the scope of application of LED light strip；Reverse-connection preventing circuit is set in each LED light band body, alarm function is not only had in reverse power connection, but also can quick and precisely find out crop position.
Description
Technical field
The utility model is related to the technical field of LED light strip, more particularly to a kind of anti-reverse constant current IC light bar.
Background technology
Low-pressure lamp band on the market mainly uses resistance current-limiting mode at present, has the characteristics that of low cost；But
The resistance of FPC is physically present, and the luminance difference at the head and the tail both ends of the more long then light bar of connection length of light bar is bigger, seriously affects
Using effect, so at present using the low-pressure lamp strip length of resistance current limliting scheme at 3~5 meters.In addition, LED component is galvanostat
Part, its VF values can be changed with temperature, supply voltage, and may result in the operating condition of LED in this way, great changes will take place.
Since the operating current of linear constant current IC is shadow that is constant, being generated to avoid above-mentioned variation to VF values
It rings, therefore it is necessary to provide a kind of anti-reverse constant current IC light bar.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of anti-reverse constant current IC lamps are provided
Band.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of anti-reverse constant current IC light bar described in the utility model, includes N number of LED light band body, N number of LED light
The both ends of band body are parallel between power cord respectively, and the LED light band body includes reverse-connection preventing circuit and linear constant current IC
The both ends of light bar, reverse-connection preventing circuit and linear constant current IC light bar are parallel between power cord respectively.
Further, the reverse-connection preventing circuit includes anti-reverse LED and resistance, connects between anti-reverse LED and resistance
Connection, anti-reverse LED one end positive pole are connected, and resistance one end is connected with power cathode.
Further, the linear constant current IC light bar includes linear constant current IC and light bar, and the light bar is by M LED light
Pearl is connected in series；The linear constant current IC is parallel to the both ends of one of LED lamp bead.
Further, the light bar is connected in series by six LED lamp beads.
With the above structure, the utility model has the beneficial effect that：A kind of anti-reverse constant current described in the utility model
IC light bar includes N number of LED light band body, and the both ends of N number of LED light band body are parallel between power cord respectively, the LED
Light bar ontology includes the both ends difference of reverse-connection preventing circuit and linear constant current IC light bar, reverse-connection preventing circuit and linear constant current IC light bar
It is parallel between power cord.
Compared with prior art, it has the advantageous effect of following several respects to the utility model：
1st, since the operating current of linear constant current IC is constant, the influence that above-mentioned variation is avoided to generate VF values；
2 and this programme due to the use of low voltage difference constant current IC, so allow light bar in head end input voltage DC24V, end
Terminal voltage drops to 18.4V light bar first and last brightness and is still consistent；It is consistent using this programme actual measurement single-ended power head and the tail brightness
Length for 20 meters, and current resistance current limliting scheme greatly improves the scope of application of LED light strip then at 3-5 meters；
3rd, reverse-connection preventing circuit is set in each LED light band body, alarm function is not only had in reverse power connection, but also
Crop position can quick and precisely be found out.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Reference sign：
1st, anti-reverse LED；2nd, resistance；3rd, linear constant current IC；4th, light bar.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, a kind of anti-reverse constant current IC light bar described in the utility model, includes N number of LED light strip sheet
Body, the both ends of N number of LED light band body are parallel between power cord respectively, the LED light band body include reverse-connection preventing circuit and
The both ends of linear constant current IC light bar, reverse-connection preventing circuit and linear constant current IC light bar are parallel between power cord respectively.
Further, the reverse-connection preventing circuit includes anti-reverse LED1 and resistance 2, between anti-reverse LED1 and resistance 2
It is connected in series with, anti-reverse LED1 one end positive pole is connected, and 2 one end of resistance is connected with power cathode.
Further, the linear constant current IC light bar includes linear constant current IC3 and light bar 4, and the light bar 4 is by M LED
Lamp bead is connected in series；The linear constant current IC3 is parallel to the both ends of one of LED lamp bead.
Further, the light bar 4 is connected in series by six LED lamp beads.
Compared with prior art, it has the advantageous effect of following several respects to the utility model：
1st, since the operating current of linear constant current IC is constant, the influence that above-mentioned variation is avoided to generate VF values；
2 and this programme due to the use of low voltage difference constant current IC, so allow light bar in head end input voltage DC24V, end
Terminal voltage drops to 18.4V light bar first and last brightness and is still consistent；It is consistent using this programme actual measurement single-ended power head and the tail brightness
Length for 20 meters, and current resistance current limliting scheme greatly improves the scope of application of LED light strip then at 3-5 meters；
The 3rd, reverse-connection preventing circuit is set in each LED light band body, reverse-connection preventing circuit is by anti-reverse LED (1) and resistance (2)
It is connected in series, anti-reverse LED (1) can be not only lighted in reverse power connection, plays the role of reverse power connection instruction, but also can be fast
Speed accurately finds out crop position.
The above is only the better embodiment of the utility model, therefore all according to described in the utility model patent application range
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.
Claims (4)
1. a kind of anti-reverse constant current IC light bar, it is characterised in that：Include N number of LED light band body, N number of LED light band body
Both ends are parallel between power cord respectively, and the LED light band body includes reverse-connection preventing circuit and linear constant current IC light bar, counnter attack
The both ends for connecing circuit and linear constant current IC light bar are parallel between power cord respectively.
2. a kind of anti-reverse constant current IC light bar according to claim 1, it is characterised in that：The reverse-connection preventing circuit includes
There are anti-reverse LED (1) and resistance (2), be connected in series between anti-reverse LED (1) and resistance (2), anti-reverse LED (1) one end electricity
Source anode is connected, and resistance (2) one end is connected with power cathode.
3. a kind of anti-reverse constant current IC light bar according to claim 1, it is characterised in that：The linear constant current IC light bar
Include linear constant current IC (3) and light bar (4), the light bar (4) is connected in series by M LED lamp bead；The linear constant current
IC (3) is parallel to the both ends of one of LED lamp bead.
4. a kind of anti-reverse constant current IC light bar according to claim 3, it is characterised in that：The light bar (4) is by six
LED lamp bead is connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749405.0U CN207543378U (en) | 2017-12-13 | 2017-12-13 | A kind of anti-reverse constant current IC light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749405.0U CN207543378U (en) | 2017-12-13 | 2017-12-13 | A kind of anti-reverse constant current IC light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207543378U true CN207543378U (en) | 2018-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721749405.0U Active CN207543378U (en) | 2017-12-13 | 2017-12-13 | A kind of anti-reverse constant current IC light bar |
Country Status (1)
| Country | Link |
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| CN (1) | CN207543378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545103A (en) * | 2019-01-23 | 2019-03-29 | 中山市彩光十色照明科技有限公司 | A kind of neon sign production method |
-
2017
- 2017-12-13 CN CN201721749405.0U patent/CN207543378U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545103A (en) * | 2019-01-23 | 2019-03-29 | 中山市彩光十色照明科技有限公司 | A kind of neon sign production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 floor 4, building 5, Shilin Industrial Park, Yongxing Industrial Zone, Xinfeng village, Henglan Town, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN KEBON LIGHTING CO.,LTD. Address before: 528400 third floor, complex building, No. 3, Yongxing North Road, Yongxing Industrial Zone, Henglan Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN KEBON LIGHTING CO.,LTD. |
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| CP02 | Change in the address of a patent holder |