CN203731144U - LED lamp filament bulb - Google Patents
LED lamp filament bulb Download PDFInfo
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- CN203731144U CN203731144U CN201420051628.XU CN201420051628U CN203731144U CN 203731144 U CN203731144 U CN 203731144U CN 201420051628 U CN201420051628 U CN 201420051628U CN 203731144 U CN203731144 U CN 203731144U
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- Prior art keywords
- bulb
- led
- led filament
- filament
- led lamp
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an LED lamp filament bulb and belongs to the lighting field. The LED lamp filament bulb comprises a bulb shell, a bulb stem, LED lamp filament module strips and a lamp holder, and is characterized by further comprising conductive wires and a drive module, the drive module is electrically connected into the lamp holder and is electrically connected with the LED lamp filament module strips through the conductive wires, the LED lamp filament module strips are installed on the bulb stem, the bulb shell is packaged on the lamp holder, and the bulb stem, the LED lamp filament module strips and the conductive wires are located inside the bulb shell. No drive power source is needed, the use integration degree is high, the size is small, the service life is long, the heat value is small, and the transfer efficiency is high.
Description
Technical field
The utility model relates to a kind of LED filament bulb, is applied to lighting field.
Background technology
Existing LED filament bulb, LED filament strip adoption plurality of LEDs chip package, on aluminium base template die bar, is welded on bulb glass stem stem, makes the outward appearance of bulb, at the crowded huge LED driving power of installation of lamp holder end, realize the LED bulb lamp of luminous work.The LED filament bulb that adopts this LED driving power to drive, install in lamp holder end the inside that power supply causes that volume is large, heat radiation difficulty, service life are short, waste material, and in conventional LED driving power circuit, great majority adopt full-wave rectification, electrochemical capacitor filtering, re-use transformer pressure-reducing.Because be less than 8000 hours the actual life of current electrolysis electric capacity, thereby be confined in 8000 hours in the whole LED filament bulb life-span, and LED chip service life can about 80,000 hours, so the life-span of electrochemical capacitor is the bottleneck of wideling popularize LED, simultaneously because traditional LED drive circuit adopts transformer pressure-reducing, transformer weight is large on the one hand, volume is large, not only self-heating causes large power consumption, but also whole bulb temperature is raise, life-span reduces, consume a large amount of copper, the non-ferrous metals such as aluminium, be unfavorable for resource rational utilization, in step-down process, reduce energy conversion efficiency on the other hand.
Utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and provides a kind of simple and reasonable, without driving power, uses the LED filament bulb that integrated level is high, volume is little, the life-span is long, caloric value is little, conversion efficiency is high.
The utility model solves the problems of the technologies described above adopted technical scheme: this LED filament bulb, comprise bulb shell, bulb core-column, LED filament mould bar and lamp holder, its feature is being, also comprise conductive filament and driver module, in described lamp holder, be electrically connected with driver module, described driver module is electrically connected by conductive filament and LED filament mould bar, described LED filament mould bar is arranged on bulb core-column, described bulb shell is encapsulated on lamp holder, bulb core-column, LED filament mould bar and conductive filament are positioned at bulb shell, LED filament mould bar and conductive filament composition LED lamp group, described LED lamp group has some groups.
As preferably, described driver module also comprises rectifier bridge and power control chip, two ac input ends of described rectifier bridge connect respectively live wire and the zero line of AC power, on the anodal DC leadout of rectifier bridge, be serially connected with successively power control chip, LED lamp group to power cathode (power supply ground), the negative pole DC output end of described rectifier bridge connects negative input and the power supply ground of LED lamp group.
As preferably, described power control chip is the constant current integrated circuit that includes current control module and overcurrent-overvoltage overtemperature protection module.
As preferably, described driver module also comprises piezo-resistance and fuse, on described input live wire, is serially connected with fuse, and the live wire of described input and zero line span are connected to piezo-resistance.
As preferably, described conductive filament is Dumet wire.
As preferably, described LED filament mould bar comprises the LED chip of multiple series connection.
As preferably, ceramic substrate or the glass substrate of described LED filament mould strip adoption all-transparent.
As preferably, described LED lamp group has 2-10 group.
As preferably, described bulb shell is high refractive index transparent ball bubble or candle bulb.
As preferably, LED filament mould strip adoption high-voltage LED chip or the series connection of conventional LED chip.
The beneficial effects of the utility model are: because LED filament mould strip adoption all-transparent baseplate material makes mould bar double-side, greatly improve light efficiency and adopted a rectifier bridge stack and a power control chip has replaced driving power, the encapsulation of LED filament mould strip adoption antistatic vacuum form.Meanwhile, in ball bubble, fill inert gas, can play the effect of heat radiation, can also reduce light decay, increase the service life of light fixture.Therefore not only integrated level is high, volume is little for this New LED filament bulb, and power consumption is little, and brightness is high, and can directly connect national grid AC220V ± 15%, can be directly installed on light fixture, and huge driving power needn't be installed in the inside, and the life-span is long; Whole LED filament bulb circuit is simple, only adopts two devices to be all applicable to automatic batch production, is convenient to promote and reduce work production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the utility model embodiment electrical block diagram.
Label declaration: bulb shell 1, bulb core-column 2, LED filament mould bar 3, lamp holder 4, conductive filament 5, LED lamp group 6, driver module 7, rectifier bridge 71, power control chip 72, fuse 73, piezo-resistance 74.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment mono-: referring to Fig. 1 and 2, the present embodiment comprises bulb shell 1, bulb core-column 2, LED filament mould bar 3, lamp holder 4, conductive filament 5 and driver module 7, in lamp holder 4, be electrically connected with driver module 7, driver module 7 is electrically connected by conductive filament 5 and LED filament mould bar 3, LED filament mould bar 3 is arranged on bulb core-column 2, bulb shell 1 is encapsulated on lamp holder 4, bulb core-column 2, LED filament mould bar 3 and conductive filament 5 are positioned at bulb shell 1 central area, LED filament mould bar 3 and conductive filament 5 form LED lamp group 6, LED lamp group 6 has 2-10 group, conductive filament 5 in the present embodiment is Dumet wire, LED filament mould bar 3 comprises the LED chip of multiple series connection, bulb core-column 2 includes Dumet wire, the every Dumet wire one group of LED filament mould bar 3 of connecting, according to watt level, N bar Dumet wire is set.
Driver module 7 in the present embodiment also comprises rectifier bridge 71 and power control chip 72, rectifier bridge 71 and power control chip 72 are fixed on pcb board, two ac input ends of rectifier bridge 71 connect respectively live wire and the zero line of AC power, on the anodal DC leadout of rectifier bridge 71, be serially connected with successively power control chip 72, LED lamp group 6 and power cathode (power supply ground), the negative pole DC output end of rectifier bridge 71 connects negative pole end and the power supply ground of LED lamp group, specifically, the anodal DC output end of rectifier bridge 71 connects the 1st pin (anode) of power control chip 72 by wire, the negative pole DC output end of rectifier bridge 71 connects the negative pole end of LED filament mould bar 3 by wire, the 2nd pin (negative terminal) of power control chip 72 connects the positive terminal of LED filament mould articles 3 by wire, form a work loop.Power control chip 72 in the present embodiment is the constant current integrated circuits that include current control module and overcurrent-overvoltage overtemperature protection module; this product is integrated power control chip 72; can directly connect national grid AC220V ± 15%(or any AC voltage range); can be directly installed on light fixture and use; needn't coordinate huge driving power to use, easy to use.
In order further to ensure the safety of this product, the driver module 7 in the present embodiment also comprises fuse 73 and piezo-resistance 74, on input live wire, is serially connected with fuse 73, and the live wire of input and zero line span are connected to piezo-resistance 74.
LED filament mould bar 3 in the present embodiment adopts ceramic substrate or the glass substrate of all-transparent, adopt that all-transparent substrate light efficiency is high, good heat dissipation effect, cost be low, coordinate brand-new 360 ° stereo luminous, greatly improve luminous efficiency, apply me and take charge of independent research fluorescent gum forming technique, yield is high, and brand-new light vision is experienced " incandescent lamp " luminous environment of ecosystem.
LED lamp group 6 in the present embodiment has N group, one or more LED filament mould bar 3 is connected, or in parallel between LED filament mould bar 3, and power control chip 72 is set is series in LED filament mould bar 3 loops, or parallel connection between power control chip 72, coordinate multiple LED filament mould bars 3, to realize high-power LED illumination.
Bulb shell 1 in the present embodiment adopts high transparent ball bubble or candle bulb according to watt level; glass ball bulb and glass stem seal with high temperature sintering; envelope is put LED filament mould bar 3 in ball bubble the inside; and vacuumize the appropriate inert gas of rear injection; aging with protection LED filament mould bar 3 hot operation rear surface luminous fluorescent glue; affect light efficiency, help LED filament mould bar 3 to dispel the heat simultaneously, make whole bulb temperature rise be no more than 3 DEG C.
LED filament mould bar 3 in the present embodiment adopts high-voltage LED chip or the series connection of conventional LED chip, use special fluorescent glue antistatic vacuum form encapsulation, power control chip 72 described in the utility model and rectifier bridge 71 heaps are connected by wire, LED filament mould bar 3 adopts metal wire to be connected with wire and rectifier bridge 71 with lamp holder 4, and metal wire employing gold thread, silver-colored line, Dumet wire or the alloy wire that tool conducts electricity, ductility is good are made.Wire described in the utility model is that printing is arranged on the printed foil circuit on substrate, adopts this structure to be applicable to automatic batch production.
Above content described in this description is only to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (10)
1. a LED filament bulb, comprises bulb shell, bulb core-column, LED filament mould bar and lamp holder, it is characterized in that: also
Comprise conductive filament and driver module, in described lamp holder, be electrically connected with driver module, described driver module is electrically connected by conductive filament and LED filament mould bar, described LED filament mould bar is arranged on bulb core-column, described bulb shell is encapsulated on lamp holder, bulb core-column, LED filament mould bar and conductive filament are positioned at bulb shell, LED filament mould bar and conductive filament composition LED lamp group, and described LED lamp group has some groups.
2. LED filament bulb according to claim 1, it is characterized in that: described driver module also comprises rectifier bridge and power control chip, two ac input ends of described rectifier bridge connect respectively live wire and the zero line of AC power, on the anodal DC leadout of rectifier bridge, be serially connected with successively power control chip, LED lamp group and power supply ground, the negative pole DC output end of described rectifier bridge connects negative input and the power supply ground of LED lamp group.
3. LED filament bulb according to claim 2, is characterized in that: described power control chip is the constant current integrated circuit that includes current control module and overcurrent-overvoltage overtemperature protection module.
4. LED filament bulb according to claim 1 and 2, is characterized in that: described driver module also comprises piezo-resistance and fuse, on described input live wire, is serially connected with fuse, and the live wire of described input and zero line span are connected to piezo-resistance.
5. LED filament bulb according to claim 1, is characterized in that: described conductive filament is Dumet wire.
6. LED filament bulb according to claim 1, is characterized in that: described LED filament mould bar comprises the LED chip of multiple series connection.
7. LED filament bulb according to claim 1, is characterized in that: ceramic substrate or the glass substrate of described LED filament mould strip adoption all-transparent.
8. LED filament bulb according to claim 1, is characterized in that: described LED lamp group has 2-10 group.
9. LED filament bulb according to claim 1, is characterized in that: described bulb shell is high refractive index transparent ball bubble or candle bulb.
10. LED filament bulb according to claim 1, is characterized in that: described LED filament mould strip adoption high-voltage LED chip or the series connection of conventional LED chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051628.XU CN203731144U (en) | 2014-01-27 | 2014-01-27 | LED lamp filament bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051628.XU CN203731144U (en) | 2014-01-27 | 2014-01-27 | LED lamp filament bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731144U true CN203731144U (en) | 2014-07-23 |
Family
ID=51201214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051628.XU Expired - Fee Related CN203731144U (en) | 2014-01-27 | 2014-01-27 | LED lamp filament bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731144U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930384A (en) * | 2015-07-01 | 2015-09-23 | 上海顿格电子贸易有限公司 | LED lamp |
| CN104948958A (en) * | 2015-07-01 | 2015-09-30 | 上海顿格电子贸易有限公司 | LED lamp achieving current limiting by means of thermistor |
| CN108882434A (en) * | 2018-03-20 | 2018-11-23 | 海宁市鑫诚电子有限公司 | A kind of LED bulb based on MBL driving circuit |
-
2014
- 2014-01-27 CN CN201420051628.XU patent/CN203731144U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930384A (en) * | 2015-07-01 | 2015-09-23 | 上海顿格电子贸易有限公司 | LED lamp |
| CN104948958A (en) * | 2015-07-01 | 2015-09-30 | 上海顿格电子贸易有限公司 | LED lamp achieving current limiting by means of thermistor |
| CN108882434A (en) * | 2018-03-20 | 2018-11-23 | 海宁市鑫诚电子有限公司 | A kind of LED bulb based on MBL driving circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |