CN203202731U - LED floodlight tube - Google Patents
LED floodlight tube Download PDFInfo
- Publication number
- CN203202731U CN203202731U CN201320193337XU CN201320193337U CN203202731U CN 203202731 U CN203202731 U CN 203202731U CN 201320193337X U CN201320193337X U CN 201320193337XU CN 201320193337 U CN201320193337 U CN 201320193337U CN 203202731 U CN203202731 U CN 203202731U
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- China
- Prior art keywords
- led
- circuit board
- lamp holder
- power supply
- fluorescent tube
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Abstract
The utility model provides an LED floodlight tube. The LED floodlight tube comprises a cylindrical shell, wherein the two ends of the shell are provided with a first lamp holder and a second lamp holder respectively, an LED substrate is installed in the shell, a plurality of LED chips are arranged on the LED substrate, a first power supply module is installed in the first lamp holder and provided with a first circuit board, power supply components are arranged on the first circuit board, a second power supply module is installed in the second lamp holder and provided with a second circuit board, and power supply components are arranged on the second circuit board. According to the LED floodlight tube, the length of the lamp holders can be reduced, therefore, the illuminating faces of the LED floodlight tube is enlarged, and production cost of the LED floodlight tube is reduced.
Description
Technical field
The utility model relates to a kind of light fixture, particularly a kind of LED floodlight fluorescent tube.
Background technology
The LED light fixture has the advantages such as environmental protection, energy-conservation, long service life, is widely used in the multiple fields such as illumination, decoration, signal designation.Wherein, using the LED floodlight fluorescent tube of led chip is exactly a kind of common application.
The LED fluorescent tube of existing a kind of tubulose has columniform housing, at the two ends of housing a lamp holder is set respectively, and the outside of lamp holder is respectively equipped with two from the outward extending pin of lamp holder outer wall, is used for being connected with power supply.The LED substrate is set in housing, and at the LED substrate plurality of LEDs chip is set.In order to make led chip obtain stable electric energy, need in the LED floodlight, power module be set, be used for converting the electric energy that pin obtains to suitable power supply output, as alternating current being carried out the processing such as rectification, step-down, voltage stabilizing.
Usually, the power module of LED fluorescent tube is arranged in one of them lamp holder, and power module has a circuit board, and at circuit board power supply apparatus is set, such as rectifier, voltage-stablizer etc., the alternating current that is used for 220 volts converts low-voltage DC to, and offers the led chip power supply.
In the existing LED fluorescent tube, power module only is arranged on an end of LED fluorescent tube usually, namely is arranged in one of them lamp holder.Because power supply apparatus integrated in the power module is more, often lamp holder is very long, and the volume of lamp holder that causes being equipped with power module is larger.
Yet, when design LED fluorescent tube, for its good looking appearance, usually with the lamp holder symmetric design of both sides, the lamp holder shape that is both sides is identical, and volume equates, the volume of lamp holder that causes so not installing power module is also larger, cause the LED tube lamp holder longer, the effective length of illumination of LED fluorescent tube shortens.In addition, the lamp holder of both sides is longer, and the material of making lamp holder is more, causes the production cost of LED fluorescent tube higher.
Summary of the invention
Main purpose of the present utility model provides the large LED floodlight fluorescent tube of the lower and effective light-emitting area of a kind of production cost.
For realizing above-mentioned purpose, the LED floodlight fluorescent tube that the utility model provides comprises columned housing, the two ends of housing are respectively equipped with the first lamp holder and the second lamp holder, and the LED substrate is installed in the housing, the LED substrate is provided with the plurality of LEDs chip, wherein, the first power module is installed in the first lamp holder, the first power module has first circuit board, first circuit board is provided with power supply apparatus, the second source module is installed in the second lamp holder, and the second source module has second circuit board, and second circuit board is provided with power supply apparatus.
By such scheme as seen, LED floodlight fluorescent tube is provided with two power modules, be separately positioned in two lamp holders of LED floodlight lamp tube ends, avoid like this in a lamp holder, arranging the larger power module of volume, reduce the volume of lamp holder, thereby increase effective light-emitting area of LED floodlight fluorescent tube, and reduce the production cost of LED floodlight fluorescent tube.
A preferred scheme is that the second source module also is provided with the tertiary circuit plate, also is provided with power supply apparatus on the tertiary circuit plate.
This shows, the second source module arranges two circuit boards, can power supply apparatus be set at each piece circuit board, like this can be on the second source module integrated more power supply apparatus, be conducive to improve the performance of power module.
Further scheme is, tertiary circuit plate and second circuit board be arranged in parallel, and second circuit board and/or tertiary circuit plate are double-layer circuit board.
As seen, second circuit board and tertiary circuit plate be arranged in parallel, can reduce as much as possible the space that the second source module takies, and two circuit boards are arranged to double-layer circuit board, can be on each piece circuit board integrated more device.
Further scheme is, regional area metal-plated membrane on the copper-clad surface of LED substrate, and metal film forms the metal reflective face.
By such scheme as seen, the part light that led chip sends incides on the metal film through after the reflection of housing, and outside metallic film surface reflects through housing and directive housing, can form Multi reflection like this, thereby make housing outwards luminous even, can improve luminous efficiency simultaneously.
Further scheme is, metal film is arranged on the copper foil circuit that is connected with the conducting strip of led chip on the surface of LED substrate.
Like this, be conducive to the led chip surface radiating, reduce the led chip temperature rise, prolong led chip service life.
Description of drawings
Fig. 1 is the structure chart of the utility model embodiment.
Fig. 2 is the STRUCTURE DECOMPOSITION enlarged drawing of the utility model embodiment.
Fig. 3 is the cutaway view of the utility model embodiment.
Fig. 4 is the partial enlarged drawing of LED substrate among the utility model embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
Referring to Fig. 1, the LED floodlight of the present embodiment is tubular lamp body, it has columned housing 10, be respectively arranged with a lamp holder 21,23 at the two ends of housing 10, the end wall of lamp holder 21 be provided with two from end wall along outward extending two pins 22 of LED floodlight axial direction, also be provided with two pins 24 on the end wall of lamp holder 23, pin also is that the end wall at lamp holder 23 stretches out along LED floodlight axial direction.When LED floodlight fluorescent tube is installed on the lamp socket, obtain electric energy by pin 22,24.
Referring to Fig. 2 and Fig. 3, housing 10 is made of plastics fully, and has light transmission, so that light passes housing 10.The two ends of housing 10 are uncovered, are provided with two guide rails 11 at the inwall of housing 10, and guide rail 11 consists of mounting groove 12 with the inwall of housing 10, and LED substrate 15 is installed in the mounting groove 12, and realize the fixing of LED substrate 15.
End at LED floodlight fluorescent tube is provided with lamp holder 21, and it is the uncovered lid of an end, and is sleeved on the end of housing 10.Cavity 25 of lamp holder 21 interior formations, power module 31 is installed in the cavity 25, power module 31 has circuit board 32 and is arranged on power supply apparatus 33 on the circuit board 32, and circuit board 32 is arranged on end wall one side near lamp holder 21, and power supply apparatus 33 is arranged on the side near LED substrate 15.
The other end at LED floodlight fluorescent tube is provided with lamp holder 23, and lamp holder 23 also is the uncovered lid of an end, and is sleeved on the other end of housing 10.Cavity 26 of lamp holder 23 interior formation is equipped with power module 35 in the cavity 26, power module 35 comprises two circuit boards that be arranged in parallel 36,40, and circuit board 36 is positioned at the side near lamp holder 23, and circuit board 40 then is positioned at the side near LED substrate 15. Circuit board 36,40 tools are circular circuit board, are respectively arranged with power supply apparatus 38,41 on its circuit board, such as arrangement device, decompression device, voltage-stabilizing device etc.Between circuit board 36 and circuit board 40, be provided with electric-conductor 37, be used for connecting two circuit boards 36,40, and the power supply apparatus on two circuit boards 36,40 is electrically connected.
In addition, the end of two pins 24 on the lamp holder 23 is passed respectively circuit board 36 and is electrically connected with power supply apparatus 38 on the circuit board 36, provides electric energy to power supply apparatus 38.Preferably, circuit board 36,40 is double-layer circuit board, like this can be on circuit board 36,40 integrated more electronic device.
Be installed on the LED substrate 15 in the housing 10 and be packaged with plurality of LEDs chip 16, from Fig. 3 and Fig. 4 as seen, plurality of LEDs chip 16 is arranged in straight line at LED substrate 15, and each LEDs chip 16 all is encapsulated on the same surface of LED substrate 15, and namely all led chips 16 all arrange up.In addition, on the direction perpendicular to LED substrate 15, each LEDs chip 16 all is higher than the surface of LED substrate 15.
Regional area metal-plated membrane 17 on the copper-clad surface of LED substrate 15, these metal films 17 form the metal reflective zone.Each metal film 17 is all between two adjacent LEDs chips 16, and the area of each metal film 17 is greater than the area of led chip 16.
Like this, the part light that led chip 16 sends passes outside the housing 10 direct directive housings 10, and reflection occurs when inciding housing 10 and incides on the metal film 17 in part light, reflex by metal film 17, with the light reflection that incides on the metal film 17, and with the light directive housing 10 that reflects.Can form Multi reflection like this, avoid LED floodlight fluorescent tube part zone light, the darker situation in part zone occurs, and makes LED floodlight lamp luminescence more even, and luminous efficiency is higher.
And, all being provided for the conducting strip of heat conduction on the substrate of each LEDs chip 16 below, conducting strip is connected with metal film 17, and namely metal film 17 is arranged on the copper foil circuit that is connected with the conducting strip of led chip 16.Like this, the heat that led chip 16 produces conducts on the metal film 17 by conducting strip, and the metal film 17 larger by area dispels the heat, and effectively reduces the temperature of led chip 16, avoid led chip 16 to work long hours under higher environment, prolong the service life of LED floodlight.
Certainly, above-described embodiment only is the better embodiment of the utility model, during practical application more variation can also be arranged, and for example, each power module all arranges two or polylith circuit board; Perhaps, use the metal film substitution of Al film such as copper film; Or only having a circuit board in the power module is double-layer circuit board, and these changes can realize the purpose of this utility model equally.
It is emphasized that at last; the utility model is not limited to above-mentioned embodiment, also should be included in the protection domain of the utility model claim such as the variations such as change of the change of change, led chip and the metal film quantity of hull shape, metal film shape, size.
Claims (7)
1.LED the floodlight fluorescent tube comprises
Columned housing, the two ends of described housing are respectively equipped with the first lamp holder and the second lamp holder, and the LED substrate is installed in the described housing, and described LED substrate is provided with the plurality of LEDs chip;
It is characterized in that:
In described the first lamp holder the first power module is installed, described the first power module has first circuit board, and described first circuit board is provided with power supply apparatus;
In described the second lamp holder the second source module is installed, described second source module has second circuit board, and described second circuit board is provided with power supply apparatus.
2. LED floodlight fluorescent tube according to claim 1 is characterized in that:
Described second source module also is provided with the tertiary circuit plate, also is provided with power supply apparatus on the described tertiary circuit plate.
3. LED floodlight fluorescent tube according to claim 2 is characterized in that:
Described tertiary circuit plate and described second circuit board be arranged in parallel.
4. LED floodlight fluorescent tube according to claim 2 is characterized in that:
Described second circuit board and/or described tertiary circuit plate are double-layer circuit board.
5. according to claim 1 to 4 each described LED floodlight fluorescent tubes, it is characterized in that:
Regional area metal-plated membrane on the copper-clad surface of described LED substrate.
6. LED floodlight fluorescent tube according to claim 5 is characterized in that:
Described metal film is arranged on the copper foil circuit that is connected with the conducting strip of described led chip.
7. according to claim 1 to 4 each described LED floodlight fluorescent tubes, it is characterized in that:
Described housing is made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320193337XU CN203202731U (en) | 2013-04-16 | 2013-04-16 | LED floodlight tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320193337XU CN203202731U (en) | 2013-04-16 | 2013-04-16 | LED floodlight tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203202731U true CN203202731U (en) | 2013-09-18 |
Family
ID=49146837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320193337XU Expired - Lifetime CN203202731U (en) | 2013-04-16 | 2013-04-16 | LED floodlight tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203202731U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042366A (en) * | 2015-07-10 | 2015-11-11 | 黄新 | Three-dimensional power source of bulb lamp and LED filament bulb lamp |
| CN105179972A (en) * | 2015-09-30 | 2015-12-23 | 罗会才 | Three-dimensional power source of bulb lamp and LED bulb lamp |
| CN105987295A (en) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | Novel all-around light LED (Light Emitting Diode) lamp |
| CN105987297A (en) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | All-period-luminosity LED lamp tube |
| WO2017107144A1 (en) * | 2015-12-24 | 2017-06-29 | 深圳市聚作照明股份有限公司 | Lamp tube |
-
2013
- 2013-04-16 CN CN201320193337XU patent/CN203202731U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987295A (en) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | Novel all-around light LED (Light Emitting Diode) lamp |
| CN105987297A (en) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | All-period-luminosity LED lamp tube |
| CN105987295B (en) * | 2015-02-05 | 2019-01-29 | 佛山市禾才科技服务有限公司 | A kind of complete cycle light LED light |
| CN105987297B (en) * | 2015-02-05 | 2019-05-17 | 佛山市禾才科技服务有限公司 | A kind of complete cycle light LED lamp tube |
| CN105042366A (en) * | 2015-07-10 | 2015-11-11 | 黄新 | Three-dimensional power source of bulb lamp and LED filament bulb lamp |
| CN105179972A (en) * | 2015-09-30 | 2015-12-23 | 罗会才 | Three-dimensional power source of bulb lamp and LED bulb lamp |
| WO2017107144A1 (en) * | 2015-12-24 | 2017-06-29 | 深圳市聚作照明股份有限公司 | Lamp tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |