CN105627177A - AC high-pressure dual-face LED lamp bar - Google Patents
AC high-pressure dual-face LED lamp bar Download PDFInfo
- Publication number
- CN105627177A CN105627177A CN201610022385.0A CN201610022385A CN105627177A CN 105627177 A CN105627177 A CN 105627177A CN 201610022385 A CN201610022385 A CN 201610022385A CN 105627177 A CN105627177 A CN 105627177A
- Authority
- CN
- China
- Prior art keywords
- lamp bar
- led lamp
- led
- pressure dual
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
Abstract
The invention discloses an AC high-pressure dual-face LED lamp bar. The AC high-pressure dual-face LED lamp bar comprises a long-strip-shaped tubular transparent cover, protection covers fixed to the two ends of the transparent cover and an LED lamp bar body fixed in the transparent cover. The LED lamp bar body comprises an FR-4 epoxy resin circuit board with an alternating current and direct current conversion circuit and LED lamps arranged on the front face and the back face of the FR-4 epoxy resin circuit board. Meanwhile, the protection covers are filled with waterproof heat conduction silica gel. The AC high-pressure dual-face LED lamp bar is ingenious in design, simple in structure, convenient to implement and low in cost; the comprehensive performance is remarkably improved compared with the prior art; and the good market prospects are achieved.
Description
Technical field
The present invention relates to a kind of dual-side LED lamp, specifically, relate to a kind of AC high pressure dual-side LED lamp bar.
Background technology
In recent years, LED advertisement and identifier industry achieves the development advanced by leaps and bounds. Surging along with whole world awareness of saving energy, and under the background that relatively conventional light source electricity price is higher, LED light source energy-saving and environmental protection, simultaneously for national policy support industry, promote business, building, advertisement and identifier field to continue to import LED case light source. Wherein the LED case of low pressure module is widely used in advertisement and identifier industry due to advantages such as luminous heat little, life-span length, small volumes.
At present, advertisement and identifier industry mainly uses low pressure module, adopting the technical scheme that low-voltage dc power supply separates with LED luminescence component, it is primarily present problems with: LED driving voltage is low-voltage DC so that the LED light source of advertisement and identifier needs individually to mix DC source, owing to there is problem of pressure drop, the fed distance of LED power is shorter, and voltage attenuation is big, and fed distance is very restricted, according to waterproof power supply, more costly. And, the quality problems of current power supply itself, cause that the fault rate of whole LED light source system is greatly increased. And for light source connecting line, it is usually in utter disorder that it accesses lamp box, cause client to install and safeguard all very inconvenient.
Summary of the invention
It is an object of the invention to provide a kind of AC high pressure dual-side LED lamp bar, solve dual-side LED lamp in prior art and cannot be directly accessed civil power and the not high problem of security performance.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of AC high pressure dual-side LED lamp bar, including strip tube like transparent cover, is fixed on the protective cover of this translucent cover two ends, and is fixed on the LED lamp bar within this translucent cover; This LED lamp bar includes the FR-4 epoxy circuit board being provided with ac-dc converter circuit and the LED being arranged on this positive and negative two sides of FR-4 epoxy circuit board; Meanwhile, inside described protective cover, waterproof heat conductive silica gel it is also filled with.
Further, the external 220V alternating current of described ac-dc converter circuit, including being sequentially connected in series and forming the protective tube F in loop, varistor VR and critesistor NTC with 220V alternating current, the commutator in parallel with this critesistor NTC, the output voltage of this commutator is carried out the blood pressure lowering constant current chip of blood pressure lowering, and the electric current that this blood pressure lowering constant current chip exports is carried out the LED discharge circuit discharged; Described LED and this LED discharging circuit conduction.
Yet further, described LED discharge circuit includes electric capacity C1 in parallel with described commutator respectively and resistance R6, and parallel with one another after be connected to the diode D2 between described commutator and blood pressure lowering constant current chip and inductance L1; Described LED is connected with described inductance L1.
Preferably, described LED is also parallel with electric capacity C2.
Preferably, the quantity of described LED is 16��64, and is serially connected.
Compared with prior art, the method have the advantages that
(1) present invention is from creating ac-dc converter circuit, in order to complete the conversion to low-voltage DC of the 220V civil power, make LED lamp bar can direct external 220V alternating current, not only reduce the installation difficulty of LED advisement lamp case, also powering for equipment provides more convenience; And will be integrated on same circuit board with LED from the ac-dc converter circuit of wound, then both achieve the miniaturization of product, save again production cost.
(2) present invention 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) ac-dc converter circuit in the present invention is with a constant current chip for core, had both avoided harmonic wave and electric current shakiness causes the problem of LED light-emitting flash in turn ensure that the illumination brightness of all LED and Luminescence Uniformity. And the LED lamp bar that the present invention limits adopts FR-4 epoxy circuit board to make, and it is mounted on LED on the anti-two sides of card of circuit board, it is achieved thereby that the double-side of LED lamp bar, making the sphere of action of LED advisement lamp case be greatly increased, effect of advertising improve further.
(4) present invention is only made up of translucent cover and two protective covers, and parts are few, assembles, easy to maintenance, and protective cover and translucent cover define a hermetic overall structure, and waterproof and dustproof is effective, are likely to without electric leakage.
(5) present invention embedding in the protective cover at two ends has waterproof heat conductive silica gel, can effectively prevent the water inlet of lamp bar from burning circuit board, prevent circuit quick aging in atmosphere, also functioned to insulation, dust-proof effect simultaneously, make the security performance of whole product obtain comprehensive raising.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the present invention.
Fig. 2 is the enlarged diagram of aminoacyl site in Fig. 1.
Fig. 3 is the circuit diagram of ac-dc converter circuit and LED in the present invention.
In above-mentioned accompanying drawing, the component names that accompanying drawing labelling is corresponding is as follows:
1-translucent cover, 2-protective cover, 3-LED lamp.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include 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 it is made up of the protective cover at translucent cover and two ends, wherein, translucent cover is made by PC material, not only environmental protection, and durable in use, indeformable, severe open-air atmosphere is had very strong adaptive capacity; It is strip tubular structure generally, and internally installed have LED lamp bar. LED lamp bar is made up of FR-4 epoxy circuit board and LED, it is loaded with ac-dc converter circuit above FR-4 epoxy circuit board, LED is then arranged on the tow sides of this FR-4 epoxy circuit board, during work, whole product can realize double-side, both increase range of exposures, improve again effect of advertising.
Fig. 3 is the schematic diagram of above-mentioned ac-dc converter circuit, specific as follows:
It is serially connected the protection branch road formed by protective tube F, varistor VR and critesistor NTC, is connected with 220V alternating current, form loop. The rectification circuit that input is in parallel with varistor VR, converts 220V alternating current to low-voltage DC; And the outfan of rectification circuit is connected with discharge circuit, including positive output end and negative output terminal. Described discharge circuit includes filter capacitor C1, discharge resistance R6 all in parallel with the outfan of rectification circuit and the blood pressure lowering constant-current circuit driving LED luminous.
This blood pressure lowering constant-current circuit includes the positive input terminal with rectification circuit and is connected and the LED of self-forming series loop, energy storage inductor L1 and sustained diode 2; The series loop of this self-forming and blood pressure lowering constant current chip BP2833A, resistance R3 are serially connected and form the series loop driving LED luminous, are connected in parallel on the outfan of rectification circuit; And also it being parallel with, between the positive output end and the outfan of blood pressure lowering constant current chip of rectification circuit, the test resistance R1 and R2 that are serially connected, the outfan of this blood pressure lowering constant current chip passes through resistance R3 ground connection, sheet by discharge capacity C3 ground connection, ROVP interface simultaneously and selects signal CS interface by resistance R4 ground connection.
In order to ensure the effect of advertising of LED lamp bar, the LED in the series loop of self-forming at least connects 16, and the branch road that the series connection of all LED is formed also is parallel with electric capacity C2.
The connected mode of above-mentioned ac-dc converter circuit and LED, can be directly accessed 220V civil power, drives LED luminous, it is not necessary to arrange DC source again, has that volume is little, cheap, the advantage of life-span length.
In order to translucent cover is realized sealing, reach the effect of water proof and dust proof, block protective cover respectively at translucent cover two ends. This protective cover is internal fills waterproof heat conductive silica gel, the gap being likely to occur is blocked completely, absolute guarantee's sealing, makes product be provided with the advantage of plug jail completely non-leakage, easy, low price, long service life, makes the overall performance of product obtain General Promotion.
This technology can set the entire length of product according to actual needs, generally all plurality of specifications such as 300mm, 600mm, 900mm and 1200mm, and the quantity of LED, between 16��64, increases with the increase of lamp bar length.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopting the design principle of the present invention, and the change carrying out non-creativeness work on this basis and making, all should belong within protection scope of the present invention.
Claims (5)
1. an AC high pressure dual-side LED lamp bar, it is characterised in that include strip tube like transparent cover, be fixed on the protective cover of this translucent cover two ends, and be fixed on the LED lamp bar within this translucent cover; This LED lamp bar includes the FR-4 epoxy circuit board being provided with ac-dc converter circuit and the LED being arranged on this positive and negative two sides of FR-4 epoxy circuit board; Meanwhile, inside described protective cover, waterproof heat conductive silica gel it is also filled with.
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, including being sequentially connected in series and forming the protective tube F in loop, varistor VR and critesistor NTC with 220V alternating current, the commutator in parallel with this critesistor NTC, the output voltage of this commutator is carried out the blood pressure lowering constant current chip of blood pressure lowering, and the electric current that this blood pressure lowering constant current chip exports is carried out the LED discharge circuit discharged; Described LED 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 includes electric capacity C1 in parallel with described commutator respectively and resistance R6, and parallel with one another after be connected to the diode D2 between described commutator and blood pressure lowering constant current chip and inductance L1; Described LED is connected with described inductance L1.
4. a kind of AC high pressure dual-side LED lamp bar according to claim 3, it is characterised in that described LED is also parallel with electric capacity C2.
5. a kind of AC high pressure dual-side LED lamp bar according to claim 4, it is characterised in that the quantity of described LED is 16��64, and is serially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022385.0A CN105627177A (en) | 2016-01-12 | 2016-01-12 | AC high-pressure dual-face LED lamp bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022385.0A CN105627177A (en) | 2016-01-12 | 2016-01-12 | AC high-pressure dual-face LED lamp bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105627177A true CN105627177A (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610022385.0A Pending CN105627177A (en) | 2016-01-12 | 2016-01-12 | AC high-pressure dual-face LED lamp bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105627177A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178550A (en) * | 2020-08-28 | 2021-01-05 | 南京蹑波物联网科技有限公司 | LED lamp device for aquarium based on Internet of things and using method |
-
2016
- 2016-01-12 CN CN201610022385.0A patent/CN105627177A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178550A (en) * | 2020-08-28 | 2021-01-05 | 南京蹑波物联网科技有限公司 | LED lamp device for aquarium based on Internet of things and using method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160601 |