CN103697360A - LED advertising lamp box back lighting lamp bar based on 220V alternating current - Google Patents
LED advertising lamp box back lighting lamp bar based on 220V alternating current Download PDFInfo
- Publication number
- CN103697360A CN103697360A CN201310748764.4A CN201310748764A CN103697360A CN 103697360 A CN103697360 A CN 103697360A CN 201310748764 A CN201310748764 A CN 201310748764A CN 103697360 A CN103697360 A CN 103697360A
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- led
- lamp
- fire retardation
- alternating current
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- 239000011049 pearl Substances 0.000 claims description 30
- 238000005498 polishing Methods 0.000 claims description 13
- 241000209140 Triticum Species 0.000 claims description 10
- 235000021307 Triticum Nutrition 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 2
- 239000011324 bead Substances 0.000 abstract 2
- 239000003063 flame retardant Substances 0.000 abstract 2
- 230000006378 damage Effects 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses an LED advertising lamp box back lighting lamp bar based on 220V alternating current and belongs to the technical field of electronics. The lamp bar comprises a flame-retardant PC clamp groove (1) embedded with a PCB, a PC lampshade (3) matched with the PC clamp groove and flame-retardant PC plugs (2) mounted at two ends of each of the PC clamp groove (1) and the PC lampshade (3). At least two LED lamp beads are further mounted inside the PC clamp groove (1). A rectifier and an LED working circuit connected with the rectifier are integrated on the PCB. The LED lamp beads are communicated with the LED working circuit. By the structure, the LED advertising lamp box back lighting lamp bar has the advantages that the problem that the existing lamp bars can only be connected with mains supply through an independent direct-current power supply or being matched with an adapter, and accordingly the lamp bars are inconvenient to mount and high in cost is solved, and the lamp bar is high in practical value.
Description
Technical field
The present invention relates to a kind of lamp bar, specifically, what relate to is the LED lamp box side polishing lamp bar that directly accesses civil power.
Background technology
In advertisement and identifier industry, the light source of advertising lamp box adopts low-voltage power supply LED(5-48VDC mostly) as light source, its overall plan mesolow dc source and LED luminescence component are separated from each other.Mainly there is following shortcoming in this scheme:
LED driving voltage is low-voltage DC, just makes the LED light source in lamp box need to be equipped with separately dc source, and owing to there is problem of pressure drop, the fed distance of its power supply is shorter, and voltage attenuation is large, if adopt waterproof power supply, cost is higher.And the quality problems of power supply itself are a lot of at present, cause the fault rate of whole LED light source system to increase.For light source connecting line, access lamp box is usually in utter disorder, causes client's installation and maintenance very inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current, by carrying rectifier, and itself and LED operating circuit are integrated in to the design on same circuit board, realize the object of direct access civil power, solving existing lamp bar needs independent outfit dc source or need cooperatively interact to be connected with civil power with adapter to cause it that problem inconvenient, cost is higher is installed.
To achieve these goals, the technical solution used in the present invention is as follows:
A LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current, comprises the fire retardation PC draw-in groove that is embedded with pcb board, the PC lampshade matching with this fire retardation PC draw-in groove, and the fire retardation PC plug that is installed on described fire retardation PC draw-in groove and PC lampshade two ends; In described fire retardation PC draw-in groove inside, at least two LED lamp pearls are also installed; On described pcb board, be integrated with rectifier and connected LED operating circuit, described LED lamp pearl is communicated with this LED operating circuit.
Further, above described fire retardation PC draw-in groove inside, pcb board, wheat is installed and draws insulating trip, described LED lamp pearl is arranged on this wheat and draws on insulating trip, on described LED lamp pearl, lens is also installed simultaneously.
Again further, on described fire retardation PC plug, be provided with socket jam.
Preferably, all LED lamp pearls are connected mutually.
Specifically, described LED operating circuit comprises electrochemical capacitor all in parallel with described rectifier and piezo-resistance, and the current regulator diode in parallel with described piezo-resistance after connecting with described LED lamp pearl.
Preferably, described pcb board adopts aluminum base circuit board; Described PC lampshade is Transparent lamp shade.
For reducing volume, convenient installation, described fire retardation PC draw-in groove, pcb board, wheat draw insulating trip and fire retardation PC lampshade to stack gradually from bottom to up supporting installation.
Compared with prior art, the present invention has following beneficial effect:
(1) the LED operating circuit that the pcb board in the present invention carries rectifying device and is mated work, both are integrated on same pcb board, compact conformation, rationally distributed, can directly connect 220V mains-supplied, do not need to install expensive direct current waterproof power supply, saved operation and the cost of mounting adapter yet, effectively solved the defect that LED lamp box in prior art can not directly be used 220V civil power.
(2) the present invention has adopted fire retardation PC draw-in groove as structure carrier, be equipped with fire retardation PC plug, PC lampshade forms compact long strip shape lamp box structure, not only durable in use, readily removablely easily change, easy for installation, and the water inlet that can avoid internal component to be exposed to bringing under outdoor, the problem such as burn, the service life of guaranteeing lamp bar.
(3) the present invention has also fixed lens on circuit board, and these lens both can be for having changed the light emission direction of LED lamp pearl, can reach power saving, energy-conservation effect by LED lamp pearl again.
(4) circuit that the present invention adopts is simplified reliably, and the rectifying device of take is core, and 220V alternating current direct is switched through to the direct current for 240V, supplies with the operating circuit of the some LED of series connection; Meanwhile, in LED operating circuit loop, access a current regulator diode, guarantee that LED works for a long time in constant current state, guarantees its Luminescence Uniformity.
(5) integral body of the present invention is elongated, each parts adopt overlapped way to carry out supporting assembling, compact conformation not only, and can effectively reduce small product size, its inner wheat draws insulating trip the pcb board of LED lamp pearl and below effectively can be isolated, thereby the circuit of avoiding installation personnel to touch on pcb board causes circuit to damage and Danger Electric shock risk occurs, and the safety and reliability of product has obtained greatly improving.
(6) the present invention has high, the luminous feature such as evenly of energy-saving and environmental protection, brightness, can replace traditional fluorescent lamp.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram that in the present invention, fire retardation PC draw-in groove, pcb board, wheat are drawn insulating trip, lens, fire retardation PC lampshade.
Fig. 2 is fire retardation PC plug enlarged drawing in the present invention.
Fig. 3 is circuit diagram of the present invention.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-fire retardation PC draw-in groove, 2-fire retardation PC plug, 3-PC lampshade, 4-lens, 5-wheat is drawn insulating trip, 6-socket jam, 7-PCB plate.
The specific embodiment
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, the present embodiment comprises fire retardation PC draw-in groove 1 and the PC lampshade 3 that is positioned at this fire retardation PC draw-in groove 1 top, and fire retardation PC draw-in groove 1 and PC lampshade 3 have formed the shell of lamp bar, and its inner embedding has pcb board 7 and LED lamp pearl.On LED lamp pearl, lens 4 are installed, can make LED lamp pearl form back of the body polishing, guarantee the uniformity of illumination simultaneously.
This lamp bar is long 300mm altogether, LED lamp pearl have four side by side series connection be fixed on wheat and draw on insulating trip 5, and be electrically connected to the pcb board 7 of below by power line, the spacing of adjacent LED lamp pearl is 60mm, fire retardation PC draw-in groove 1 width is 36mm; PC lampshade 3, for the protection of LED lamp pearl, is avoided foreign matter, dust to enter and is caused short circuit, has also played waterproof, fireproof object simultaneously.It should be noted that; fire retardation PC draw-in groove 1 and PC lampshade 3 are existing new technology; adopt PC material to make, not only nontoxic, odorless, tasteless, meets national all standard; and there is good mechanical performance; PC plastic products, particularly electric product, have fire prevention, fire resistance; while is holding circuit plate effectively, avoids human body contact electronic devices and components that the danger of getting an electric shock occurs.Pcb board is embedded into fire retardation PC draw-in groove 1 inside, can not only guarantees the security when pcb board 7 operating voltages reach 240V, also reduced the volume of whole lamp bar simultaneously.
As depicted in figs. 1 and 2, after pcb board is embedded into fire retardation PC draw-in groove 1, at the two ends of fire retardation PC draw-in groove 1, each fixes a fire retardation PC plug 2 that length is consistent with fire retardation PC draw-in groove 1, width is 25mm, can play fixing, moistureproof, the waterproof of pcb board and fire-proof function, be positioned at the socket jam 6 at this fire retardation PC plug middle part and the power input conducting on pcb board, for whole lamp bar external power supply provides interface, not only convenient, and safety.
In order further to reduce the volume of whole lamp bar, make it reach effect easy for installation, the present invention is integrated in rectifier on pcb board, thereby has saved operation and the cost of mounting adapter or waterproof dc source.Meanwhile, fire retardation PC draw-in groove, pcb board, wheat draw insulating trip and fire retardation PC lampshade stacked from bottom to up, supporting installation, whole is strip, easy for installation, volume further reduces.
Be illustrated in figure 3 the connecting circuit figure of whole pcb board and LED lamp pearl.
Pcb board in the present embodiment is aluminium base, and the circuit on this pcb board comprises two parts:
First, piezo-resistance VR is by electric fuse FUS access 220V electric main, this electric fuse FUS maximum operating voltage is for exchanging 250V, when overtension, automatically fuse, holding circuit prevents the destruction of high voltage to circuit elements device, and piezo-resistance can be protected instantaneous voltage sudden change because of the electric power supply system injury to circuit;
Secondly, input is connected in parallel on the rectifier on pressure-sensitive circuit, by diode D1, D2, D3, D4, completes rectification function, and rectifying device is common technique in prior art, therefore do not elaborate.
In the output electrochemical capacitor C of 2.2 μ F in parallel and the resistance R of 1 megaohm of rectifier, the 240V DC voltage of output is carried out to filtering, make electric current more stable, now the voltage at electrochemical capacitor C two ends can directly be supplied in all LED lamp pearls.
As shown in Figure 2, all LED lamp pearls adopt series connection form, and the advantage of series connection is that a LED lamp pearl damage can be extinguished all LED lamp pearls, prevents that lamp bar luminance nonuniformity from affecting advertisement radiation response.Further, on any one node of LED lamp pearl series arm, can again connect one and prevent the current regulator diode D of LED lamp pearl flicker, in the present embodiment, preferably this current regulator diode D is connected on to the end of LED lamp pearl series arm.The branch road that is comprised of LED lamp pearl and current regulator diode D is in parallel with electrochemical capacitor can be luminous.
Above-described embodiment is only the preferred embodiments of the present invention, and not limiting the scope of the invention, adopts design principle of the present invention in every case, and carries out non-creativeness work on this basis and the variation made, within all should belonging to protection scope of the present invention.
Claims (8)
1. the back of the body of the LED advertising lamp box based on a 220V alternating current polishing lamp bar, is characterized in that, comprises
Be embedded with the fire retardation PC draw-in groove (1) of pcb board (7), the PC lampshade (3) matching with this fire retardation PC draw-in groove, and the fire retardation PC plug (2) that is installed on described fire retardation PC draw-in groove (1) and PC lampshade (3) two ends; In described fire retardation PC draw-in groove (1) inside, at least two LED lamp pearls are also installed; On described pcb board (7), be integrated with rectifier and the LED operating circuit being connected with this rectifier, described LED lamp pearl is communicated with this LED operating circuit.
2. a kind of LED advertising lamp box based on 220V alternating current according to claim 1 is carried on the back polishing lamp bar, it is characterized in that, top inner at described fire retardation PC draw-in groove (1), pcb board is provided with wheat and draws insulating trip (5), described LED lamp pearl is arranged on this wheat and draws insulating trip (5) upper, on described LED lamp pearl, lens (4) is also installed simultaneously.
3. a kind of LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current according to claim 2, is characterized in that, is provided with socket jam (6) on described fire retardation PC plug (2).
4. a kind of LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current according to claim 3, is characterized in that, all LED lamp pearls are connected mutually.
5. a kind of LED advertising lamp box based on 220V alternating current according to claim 4 is carried on the back polishing lamp bar, it is characterized in that, described LED operating circuit comprises electrochemical capacitor all in parallel with described rectifier and piezo-resistance, and the current regulator diode in parallel with described piezo-resistance after connecting with described LED lamp pearl.
6. a kind of LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current according to claim 5, is characterized in that, described pcb board adopts aluminum base circuit board.
7. a kind of LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current according to claim 6, is characterized in that, described PC lampshade (3) is Transparent lamp shade.
8. a kind of LED advertising lamp box back of the body polishing lamp bar based on 220V alternating current according to claim 7, is characterized in that, described fire retardation PC draw-in groove, pcb board, wheat draw insulating trip and fire retardation PC lampshade to stack gradually from bottom to up supporting installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748764.4A CN103697360A (en) | 2013-12-31 | 2013-12-31 | LED advertising lamp box back lighting lamp bar based on 220V alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748764.4A CN103697360A (en) | 2013-12-31 | 2013-12-31 | LED advertising lamp box back lighting lamp bar based on 220V alternating current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103697360A true CN103697360A (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310748764.4A Pending CN103697360A (en) | 2013-12-31 | 2013-12-31 | LED advertising lamp box back lighting lamp bar based on 220V alternating current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103697360A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937709A (en) * | 2016-04-29 | 2016-09-14 | 四川蓝景光电技术有限责任公司 | LED light source used on basis of ultrathin 5-10 cm light box |
| CN108775515A (en) * | 2018-08-16 | 2018-11-09 | 四川蓝景光电技术有限责任公司 | A kind of Portable LED lamp system |
| CN109973948A (en) * | 2019-04-08 | 2019-07-05 | 欧普照明股份有限公司 | A kind of lighting device |
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Patent Citations (10)
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| US20110109249A1 (en) * | 2009-11-10 | 2011-05-12 | Green Mark Technology Inc. | Dimmable led lamp and dimmable led lighting apparatus |
| CN201795347U (en) * | 2010-09-16 | 2011-04-13 | 太一节能系统股份有限公司 | Light source body and light source device |
| JP2012186120A (en) * | 2011-03-08 | 2012-09-27 | Panasonic Corp | Lighting unit of led lamp, and led lamp with it |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105937709A (en) * | 2016-04-29 | 2016-09-14 | 四川蓝景光电技术有限责任公司 | LED light source used on basis of ultrathin 5-10 cm light box |
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| CN108775515A (en) * | 2018-08-16 | 2018-11-09 | 四川蓝景光电技术有限责任公司 | A kind of Portable LED lamp system |
| CN109973948A (en) * | 2019-04-08 | 2019-07-05 | 欧普照明股份有限公司 | A kind of lighting device |
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Application publication date: 20140402 |