CN203743964U - AC high-voltage two-sided LED light bar - Google Patents
AC high-voltage two-sided LED light bar Download PDFInfo
- Publication number
- CN203743964U CN203743964U CN201420061940.7U CN201420061940U CN203743964U CN 203743964 U CN203743964 U CN 203743964U CN 201420061940 U CN201420061940 U CN 201420061940U CN 203743964 U CN203743964 U CN 203743964U
- Authority
- CN
- China
- Prior art keywords
- led lamp
- lamp bar
- led light
- light bar
- high pressure
- 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 - Lifetime
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- 239000004593 Epoxy Substances 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 abstract 3
- 229920000647 polyepoxide Polymers 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002459 sustained effect Effects 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
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an AC high-voltage two-sided LED light bar. The AC high-voltage two-sided LED light bar comprises a long strip-shaped tubular transparent cover, protective covers fixed to the two ends of the transparent cover and an LED light bar body fixed in the transparent cover. The LED light bar body comprises an FR-4 epoxy resin circuit board and LED lights, wherein the FR-4 epoxy resin circuit board is provided with an AC-DC conversion circuit, and the LED lights are arranged on the obverse side and the reverse side of the FR-4 epoxy resin circuit board. The protective covers are filled with waterproof heat conductive silica gel. The AC high-voltage two-sided LED light bar is ingenious in design, simple in structure, convenient to realize, low in cost and obviously higher in comprehensive performance compared with an prior art, and has good market prospects.
Description
Technical field
The utility model relates to a kind of dual-side LED lamp, specifically, relates to a kind of AC high pressure dual-side LED lamp bar.
Background technology
In recent years, LED advertisement and identifier industry has obtained the development of advancing by leaps and bounds.Surging along with global awareness of saving energy, and under the background that conventional light source electricity price is higher relatively, LED light source energy-saving and environmental protection are supported industry for national policy simultaneously, impel business, building, advertisement and identifier field to continue importing LED lamphouse light source.Wherein the LED lamp box of low pressure module is because the advantages such as luminous heat is little, life-span length, small volume are widely used in advertisement and identifier industry.
At present, what advertisement and identifier industry was mainly used is low pressure module, adopt the low-voltage dc power supply technical scheme separated with LED luminescence component, mainly there is following problem in it: LED driving voltage is low-voltage DC, makes the LED light source of advertisement and identifier need to mix separately dc source, owing to there being problem of pressure drop, the fed distance of LED power supply is shorter, and voltage attenuation is large, and fed distance is very restricted, if adopt waterproof power supply, cost is higher.And the quality problems of power supply itself, cause the fault rate of whole LED light source system greatly to increase at present.And for light source connecting line, its access lamp box is usually in utter disorder, cause client's installation and maintenance all very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of AC high pressure dual-side LED lamp bar, solves dual-side LED lamp in prior art and cannot directly access civil power and the not high problem of security performance.
To achieve these goals, the technical solution adopted in the utility model is as follows:
An AC high pressure dual-side LED lamp bar, comprises strip tubulose translucent cover, is fixed on the protective cover of this translucent cover two ends, and the LED lamp bar that is fixed on this translucent cover inside; This LED lamp bar comprises the FR-4 epoxy circuit board that is provided with ac-dc converter circuit, and is arranged on the LED lamp on this positive and negative two sides of FR-4 epoxy circuit board; Meanwhile, in described protective cover inside, be also filled with waterproof heat conductive silica gel.
Further, the external 220V alternating current of described ac-dc converter circuit, comprise successively series connection and form protective tube F, piezo-resistance VR and the thermistor NTC in loop with 220V alternating current, the rectifier in parallel with this thermistor NTC, the output voltage of this rectifier is carried out to the step-down constant current chip of step-down, and the LED discharge circuit that the electric current of this step-down constant current chip output is discharged; Described LED lamp and this LED discharging circuit conduction.
Again further, described LED discharge circuit comprises capacitor C in parallel with described rectifier respectively 1 and resistance R 6, and after parallel with one another, is connected to diode D2 and inductance L 1 between described rectifier and step-down constant current chip; Described LED lamp is connected with described inductance L 1.
Preferably, described LED lamp is also parallel with capacitor C 2.
Preferably, the quantity of described LED lamp is 16～64, and series connection mutually.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is from creating ac-dc converter circuit, in order to complete 220V civil power to the conversion of low-voltage DC, make the LED lamp bar can direct external 220V alternating current, not only reduced the installation difficulty of LED advertising lamp box, also for equipment power supply provides more convenience; And ac-dc converter circuit and LED lamp from wound are integrated on same circuit board, both realized the miniaturization of product, saved again production cost.
(2) the utility model need not be equipped with expensive direct current waterproof power supply again, effectively reduces production cost and installation cost, and greatly reduces the fault rate of LED lamp bar, extends its service life.
(3) to take a constant current chip be core to the ac-dc converter circuit in the utility model, both avoided harmonic wave and electric current shakiness to cause the problem of LED lamp light-emitting flash, guaranteed again illumination brightness and the Luminescence Uniformity of all LED lamps.And the LED lamp strip adoption FR-4 epoxy circuit board that the utility model limits is made, and on the anti-two sides of card of circuit board, LED lamp is all installed, thereby the double-side of having realized LED lamp bar, increases the sphere of action of LED advertising lamp box greatly, and advertising results further improve.
(4) the utility model is only comprised of translucent cover and two protective covers, and parts are few, assembling, easy to maintenance, and protective cover and translucent cover have formed a hermetic overall structure, and waterproof and dustproof is effective, may without electric leakage.
(5) the utility model embedding in the protective cover at two ends has waterproof heat conductive silica gel, can effectively prevent that lamp bar water inlet from burning circuit board, prevent circuit quick aging in air, simultaneously also played insulation, dustproof effect, make the security performance of whole product obtain comprehensive raising.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model.
Fig. 2 is the enlarged diagram at A position in Fig. 1.
Fig. 3 is the circuit diagram of ac-dc converter circuit and LED lamp in the utility model.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-translucent cover, 2-protective cover, 3-LED lamp.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, AC high pressure dual-side LED lamp bar, mainly the protective cover by translucent cover and two ends forms, wherein, translucent cover is made by PC material, not only environmental protection, and durable in use, indeformable, severe open-air atmosphere is had to very strong adaptive capacity; Its integral body is strip tubular structure, and inside is provided with LED lamp bar.LED lamp bar is comprised of FR-4 epoxy circuit board and LED lamp, above FR-4 epoxy circuit board, be loaded with ac-dc converter circuit, LED lamp is arranged on the tow sides of this FR-4 epoxy circuit board, during work, whole product can be realized double-side, both increase range of exposures, improved again advertising results.
Fig. 3 is the schematic diagram of above-mentioned ac-dc converter circuit, specific as follows:
The protection branch road of mutually being connected and being formed by protective tube F, piezo-resistance VR and thermistor NTC, is connected with 220V alternating current, forms loop.The rectification circuit that input is in parallel with piezo-resistance VR, converts 220V alternating current to low-voltage DC; And the output of rectification circuit is connected with discharge circuit, comprise positive output end and negative output terminal.Described discharge circuit comprises filter capacitor C1 all in parallel with the output of rectification circuit, discharge resistance R6 and the luminous step-down constant-current circuit of driving LED lamp.
This step-down constant-current circuit comprises LED lamp, energy storage inductor L1 and the sustained diode 2 of the also self-forming series loop that is connected with the positive input terminal of rectification circuit; The series loop of this self-forming is mutually connected and is formed the luminous series loop of driving LED lamp with step-down constant current chip BP2833A, resistance R 3, is connected in parallel on the output of rectification circuit; And between the positive output end of rectification circuit and the output of step-down constant current chip, be also parallel with the mutual test resistance R1 connecting and R2, the output of this step-down constant current chip simultaneously by discharge capacity C3 ground connection, ROVP interface by resistance R 3 ground connection, sheet and select signal CS interface by resistance R 4 ground connection.
In order to ensure the advertising results of LED lamp bar, the LED lamp in the series loop of self-forming is at least connected 16, and the branch road that the series connection of all LED lamps forms is also parallel with capacitor C 2.
The connected mode of above-mentioned ac-dc converter circuit and LED lamp, can directly access 220V civil power, and driving LED lamp is luminous, needn't dc source be set again, has the advantage that volume is little, cheap, the life-span is long.
For translucent cover is realized to sealing, reach the effect of water proof and dust proof, at translucent cover two ends, shutoff has protective cover respectively.The inner waterproof heat conductive silica gel of filling of this protective cover, the complete shutoff in gap that may occur, definitely guarantee sealing, make product there is complete non-leakage, easy plug jail, low price, long service life, make the overall performance of product obtain General Promotion.
This technology can be set the entire length of product according to actual needs, general plurality of specifications such as 300mm, 600mm, 900mm and 1200mm all, and the quantity of LED lamp, between 16 ~ 64, increases with the increase of lamp bar length.
Above-described embodiment is only preferred embodiment of the present utility model; the not restriction to the utility model protection domain; in every case adopt design principle of the present utility model, and carry out non-creativeness work on this basis and the variation made, within all should belonging to protection domain of the present utility model.
Claims (5)
1. an AC high pressure dual-side LED lamp bar, is characterized in that, comprises strip tubulose translucent cover, is fixed on the protective cover of this translucent cover two ends, and the LED lamp bar that is fixed on this translucent cover inside; This LED lamp bar comprises the FR-4 epoxy circuit board that is provided with ac-dc converter circuit, and is arranged on the LED lamp on this positive and negative two sides of FR-4 epoxy circuit board; Meanwhile, in described protective cover inside, be also filled with waterproof heat conductive silica gel.
2. a kind of AC high pressure dual-side LED lamp bar according to claim 1, it is characterized in that, the external 220V alternating current of described ac-dc converter circuit, comprise successively series connection and form protective tube F, piezo-resistance VR and the thermistor NTC in loop with 220V alternating current, the rectifier in parallel with this thermistor NTC, the output voltage of this rectifier is carried out to the step-down constant current chip of step-down, and the LED discharge circuit that the electric current of this step-down constant current chip output is discharged; Described LED lamp and this LED discharging circuit conduction.
3. a kind of AC high pressure dual-side LED lamp bar according to claim 2, it is characterized in that, described LED discharge circuit comprises capacitor C in parallel with described rectifier respectively 1 and resistance R 6, and after parallel with one another, is connected to diode D2 and inductance L 1 between described rectifier and step-down constant current chip; Described LED lamp is connected with described inductance L 1.
4. a kind of AC high pressure dual-side LED lamp bar according to claim 3, is characterized in that, described LED lamp is also parallel with capacitor C 2.
5. a kind of AC high pressure dual-side LED lamp bar according to claim 4, is characterized in that, the quantity of described LED lamp is 16～64, and series connection mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061940.7U CN203743964U (en) | 2014-02-11 | 2014-02-11 | AC high-voltage two-sided LED light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061940.7U CN203743964U (en) | 2014-02-11 | 2014-02-11 | AC high-voltage two-sided LED light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743964U true CN203743964U (en) | 2014-07-30 |
Family
ID=51343762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061940.7U Expired - Lifetime CN203743964U (en) | 2014-02-11 | 2014-02-11 | AC high-voltage two-sided LED light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822134A (en) * | 2014-02-11 | 2014-05-28 | 李忠训 | AC (alternating current) high-voltage double-side LED lamp bar |
-
2014
- 2014-02-11 CN CN201420061940.7U patent/CN203743964U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822134A (en) * | 2014-02-11 | 2014-05-28 | 李忠训 | AC (alternating current) high-voltage double-side LED lamp bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160322 Address after: 610200, No. two, section two, airport road 1000, Southwest Economic Development Zone, Shuangliu County, Sichuan, Chengdu Patentee after: BLUEVIEW ELEC-OPTIC TECH Co.,Ltd. Address before: Chenghua District Shuangqing Road Chengdu City, Sichuan province 610000 26 1 unit 1 Building No. 1603 Patentee before: Li Zhongxun |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |