CN204611422U - A kind of LED lamp tube based on AC-COB encapsulation - Google Patents
A kind of LED lamp tube based on AC-COB encapsulation Download PDFInfo
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- CN204611422U CN204611422U CN201520234616.5U CN201520234616U CN204611422U CN 204611422 U CN204611422 U CN 204611422U CN 201520234616 U CN201520234616 U CN 201520234616U CN 204611422 U CN204611422 U CN 204611422U
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- led
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- lamellar body
- mirror
- base board
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Abstract
The utility model discloses a kind of LED lamp tube based on AC-COB encapsulation, comprise lamp housing and lampshade, described lampshade snaps onto on lamp housing and forms a hollow tube, all plug is connected with at the two ends of this hollow tube, the outer end of two these plugs is provided with pad terminal, LED module is equiped with in described hollow tube, this LED module comprises mirror-surface aluminum base board, the upper surface of this mirror-surface aluminum base board is fitted with an AC constant-current driven module and multiple LED core lamellar body by crystal-bonding adhesive, this mirror-surface aluminum base board is also provided with two pads, described AC constant-current driven module and multiple LED core lamellar body are all electrically connected between two pads by gold thread, and this AC constant-current driven module is used for providing constant-current supply to described multiple LED core lamellar body, each described LED core lamellar body is also covered with fluorescent glue.Its remarkable result is: eliminate the paster in traditional handicraft and cross the process such as Reflow Soldering; Eliminate the layer structure of aluminium base; Adopt AC constant-current driven module can reduce driving power installation process.
Description
Technical field
The utility model relates to technical field of lighting fixtures, specifically, is a kind of LED lamp tube based on AC-COB encapsulation.
Background technology
Fluorescent tube is the important component part of room lighting, traditional fluorescent tube often adopts in fluorescent tube the argon and thin mercury vapour that are filled with trace, tube inner wall scribbles fluorescent material, sends ultraviolet during gaseous conduction between two filaments, make fluorescent material send soft visible ray.The shortcoming that light efficiency is low causes the huge wave of the energy, containing nuisance mercury, very large to ambient influnence; Color developing is low, and the vision reducing power of object is poor, cannot keep in repair to reclaim and cause into very large waste.Therefore develop specular removal, energy-conservation, life cycle is long, colour rendering index is high, the Novel fluorescent tube of environmental protection is of great significance the energy-conservation tool of room lighting.Therefore, LED light source is as green, energy-conservation, power saving, long-lived forth generation lighting and being a dark horse.
But traditional LED lamp needs first then to cross Reflow Soldering through paster board paster adding man-hour, and processing technology is many, process is complicated, compares expense manpower, material, and production timeliness is slow; LED module die bond is on the aluminium base with multi-layer compound structure, and the aluminium base cost of multi-layer compound structure is high, and consumptive material is many.
In addition, driving power plays a very important role in LED lamp.It can affect the reliability of LED lamp, life-span and energy-saving effect.And most LED is use the driving power of switching regulator to power substantially on market, this driving power being operated on off state, the shortcomings such as it is short that it has the life-span, and cost is high, electric energy conversion efficiency is low, make fluorescent tube with shortcomings such as stroboscopics simultaneously, more and more can be ostracised to a certain extent, not be received by the market, and the driving power volume of existing LED is large, the space taking LED is many, install and use inconvenience, cost is high, limits the popular of LED lamp tube and promotes the use of.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of LED lamp tube based on AC-COB encapsulation, and this fluorescent tube is directly solid in mirror-surface aluminum base board by LED module, and processing technology is few, cost is low, and has the advantages that light efficiency is high, photoelectric transformation efficiency is high, life time is long.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of LED lamp tube based on AC-COB encapsulation, comprise lamp housing and lampshade, described lampshade snaps onto on lamp housing and forms a hollow tube, all plug is connected with at the two ends of this hollow tube, the outer end of two these plugs is provided with pad terminal, its key is: in described hollow tube, be equiped with LED module, this LED module comprises mirror-surface aluminum base board, the upper surface of this mirror-surface aluminum base board is fitted with an AC constant-current driven module and multiple LED core lamellar body by crystal-bonding adhesive, this mirror-surface aluminum base board is also provided with two pads, described AC constant-current driven module and multiple LED core lamellar body are all electrically connected between two pads by gold thread, and this AC constant-current driven module is used for providing constant-current supply to described multiple LED core lamellar body, each described LED core lamellar body is also covered with fluorescent glue.
In this programme, by LED core lamellar body with the direct die bond of COB packaged type on aluminium base, eliminate paster in traditional handicraft and cross the process such as Reflow Soldering, saving human cost; This fluorescent tube adopts mirror-surface aluminum base board as die bond substrate simultaneously, not only eliminate the layer structure such as turmeric layer, layers of copper, insulating barrier in traditional handicraft, reduce Material Cost, and mirror-surface aluminum base board reflective is better, the light efficiency of LED lamp tube can be improved, reduce energy waste.
In addition, be fixed on the aluminium base at LED place using directly putting glue as the AC constant-current driven module of LED module driving power, luminous by getting final product driving LED lamp after pad access power supply, not only be convenient to transfer in process of production compared to conventional ADS driving power supply, and driving power installation process can be decreased; And it is high to have light efficiency, thermal resistance is low, and Light distribation is even, without the feature of dazzling light.
Further, be provided with fastener in the both sides of described lamp housing, this fastener is arranged along the length direction of described lamp housing, and described LED Modular card is connected on the below of described fastener.
Adopt said structure, the installation difficulty of LED module can be reduced, better the heat that LED core lamellar body produces can be delivered to lamp housing from mirror-surface aluminum base board simultaneously.
Further, described mirror-surface aluminum base board is rectangular slab, arranges described pad at the two ends of this mirror-surface aluminum base board, and described AC constant-current driven module and multiple LED core lamellar body are serially connected between two pads by gold thread.
By said structure, not only make this LED module can better adapt to existing LED lamp tube, by the serial connection mode of connection, contribute to reducing workload, thus be convenient to control cost.
Further technical scheme is, multiple described LED core lamellar body is array distribution along the length direction of described mirror-surface aluminum base board.
Employing array distributes, and is not only convenient to processing, and contributes to improving LED module light efficiency, and makes it evenly luminous.
Further technical scheme is, is symmetrically arranged with reinforcement at the dual-side of described mirror-surface aluminum base board.
By arranging reinforcement, enhancing the mechanical strength of described mirror-surface aluminum base board, being not only convenient to transfer in process of production, and contribute to the service life of improving LED module.
Further, preferred described fluorescent glue is coated in the upper surface of described LED core lamellar body.
Further, preferred described fluorescent glue is guarantor's type glue, and is covered on described LED core lamellar body by some glue.
Further, be also evenly distributed with at the outer surface of described lamp housing the radiating fin arranged along its length.
Adopt said structure, can increase the contact area of lamp housing and air, the better and air of the heat that LED is produced carries out heat exchange, ensure that the radiating effect of LED lamp tube.
Again further, described AC constant-current driven module adopts XZ1100 constant-flow driver.
XZ1100 is a LED constant-current driver can bearing large pressure reduction, is specially for univoltage section input range, a application scheme exporting high string LED design.Output current 1-60mA is adjustable, and application circuit is very simple, and peripheral cost does not almost have, and can save the large parts such as transformer.And this XZ1100 volume is little, contributes to space in reasonable distribution LED, and there is the low advantage of cost.
Remarkable result of the present utility model is: by direct for LED core lamellar body die bond above aluminium base, eliminates the paster in traditional handicraft and crosses the process such as Reflow Soldering, saving human cost; This fluorescent tube adopts mirror-surface aluminum base board as die bond substrate simultaneously, not only eliminate the layer structure such as turmeric layer, layers of copper, insulating barrier in traditional handicraft, reduce Material Cost, and mirror-surface aluminum base board reflective is better, the light efficiency of LED lamp tube can be improved, reduce energy waste; The radiating fin that the heat that LED core lamellar body produces is directly delivered to lamp housing by mirror-surface aluminum base board dispels the heat, good heat dissipation effect; And it is high to have light efficiency, thermal resistance is low, and Light distribation is even, without the feature of dazzling light; AC constant-current driven module directly being put glue is fixed on aluminium base, decreases driving power installation process compared to traditional handicraft.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is internal structure schematic diagram of the present utility model;
Fig. 3 is the sectional view of Fig. 1;
Fig. 4 is the structural representation of LED module;
Fig. 5 is the top view of Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model and operation principle are described in further detail.
See accompanying drawing 1 ~ accompanying drawing 5, a kind of LED lamp tube based on AC-COB encapsulation, comprise lamp housing 1 and lampshade 2, described lampshade 2 snaps onto on lamp housing 1 and forms a hollow tube, plug 3 is all connected with at the two ends of this hollow tube, the outer end of two these plugs 3 is provided with pad terminal 4, LED module 5 is equiped with in described hollow tube, this LED module 5 comprises mirror-surface aluminum base board 51, the upper surface of this mirror-surface aluminum base board 51 is fitted with an AC constant-current driven module 53 and multiple LED core lamellar body 52 by crystal-bonding adhesive, this mirror-surface aluminum base board 51 is also provided with two pads 54, described AC constant-current driven module 53 and multiple LED core lamellar body 52 are all electrically connected between two pads 54 by gold thread 55, and this AC constant-current driven module 53 is for providing constant-current supply to described multiple LED core lamellar body 52, each described LED core lamellar body 52 is also covered with fluorescent glue 56.
See accompanying drawing 3, be provided with fastener 6 in the both sides of described lamp housing 1, this fastener 6 is arranged along the length direction of described lamp housing 1, and described LED module 5 is connected to the below of described fastener 6.
It can also be seen that from Fig. 3, be also evenly distributed with the radiating fin 7 axially arranged at the outer surface of described lamp housing 1, thus increase lamp housing 1 and the contact area of air, be more conducive to the heat radiation of LED lamp tube.
In this example, after considering the thermal diffusivity of material, light efficiency and cost, preferred described lamp housing 1 is made for aluminum alloy materials, and described lampshade 2 is made for PC material.
As can be seen from accompanying drawing 4, described fluorescent glue 56 is coated in the upper surface of described LED core lamellar body 52.Described fluorescent glue 56 is guarantor's type glue, and covers on described LED core lamellar body 52 by some glue, and the thickness of described fluorescent glue 56 increases progressively from the edge of described LED core lamellar body 52 to central authorities.
As shown in Figure 4, even in order to ensure the light of LED module 5, multiple described LED core lamellar body 52 is array distribution along the length direction of described mirror-surface aluminum base board 51.
As shown in Figure 5, described mirror-surface aluminum base board 51 is rectangular slab, arranges described pad 54 at the two ends of this mirror-surface aluminum base board 51, and described AC constant-current driven module 53 and multiple LED core lamellar body 52 are serially connected between two pads 54 by gold thread 55.But it is a kind of that the connected mode between multiple LED core lamellar body 52 is not limited to serial connection, the concrete mode of connection according to the actual requirements or the consideration such as technology difficulty.
See accompanying drawing 5, be symmetrically arranged with reinforcement 57 at the dual-side of described mirror-surface aluminum base board 51.
In this example, in order to adapt to existing LED lamp tube, the length of described lamp housing and lampshade is 0.6m or 1.2m.
In this example, described AC constant-current driven module 3 adopts XZ1100 constant-flow driver.XZ1100 is a LED constant-current driver can bearing large pressure reduction, is specially for univoltage section input range, a application scheme exporting high string LED design.Output current 1-60mA is adjustable, has good application for instrument and meter and LED lamp.XZ1100 application circuit is very simple, according to the application requirement of client.Can consider whether add electrolytic capacitor filter after rectifier bridge.After over commutation, first meet IC be connected in series lamp string again or first connect lamp string and be connected in series IC again and all can.Peripheral cost does not almost have, and eliminates the large parts such as transformer.
Therefore, this programme is directly put glue using AC constant-current driven module as driving power and by it and is fixed on aluminium base, transfer is not only convenient in process of production compared to conventional ADS driving power supply, the installation steps of driving power in later stage LED assembling process can be reduced, and it is long to make LED module have the life-span, cost is low, electric energy conversion efficiency advantages of higher.
Claims (9)
1. the LED lamp tube based on AC-COB encapsulation, comprise lamp housing (1) and lampshade (2), described lampshade (2) snaps onto upper formation one hollow tube of lamp housing (1), plug (3) is all connected with at the two ends of this hollow tube, the outer end of two these plugs (3) is provided with pad terminal (4), it is characterized in that: in described hollow tube, be equiped with LED module (5), this LED module (5) comprises mirror-surface aluminum base board (51), the upper surface of this mirror-surface aluminum base board (51) is fitted with an AC constant-current driven module (53) and multiple LED core lamellar body (52) by crystal-bonding adhesive, this mirror-surface aluminum base board (51) is also provided with two pads (54), described AC constant-current driven module (53) and multiple LED core lamellar body (52) are all electrically connected between two pads (54) by gold thread (55), and this AC constant-current driven module (53) is for providing constant-current supply to described multiple LED core lamellar body (52), each described LED core lamellar body (52) is also covered with fluorescent glue (56).
2. a kind of LED lamp tube based on AC-COB encapsulation according to claim 1, it is characterized in that: be provided with fastener (6) in the both sides of described lamp housing (1), this fastener (6) is arranged along the length direction of described lamp housing (1), and described LED module (5) is connected to the below of described fastener (6).
3. a kind of LED lamp tube based on AC-COB encapsulation according to claim 2, it is characterized in that: described mirror-surface aluminum base board (51) is rectangular slab, arrange described pad (54) at the two ends of this mirror-surface aluminum base board (51), described AC constant-current driven module (53) and multiple LED core lamellar body (52) are serially connected between two pads (54).
4. a kind of LED lamp tube based on AC-COB encapsulation according to Claims 2 or 3, its feature exists: multiple described LED core lamellar body (52) is array distribution along the length direction of described mirror-surface aluminum base board (51).
5. a kind of LED lamp tube based on AC-COB encapsulation according to claim 4, its feature exists: be symmetrically arranged with reinforcement (57) at the dual-side of described mirror-surface aluminum base board (51).
6. a kind of LED lamp tube based on AC-COB encapsulation according to claim 1, is characterized in that: described fluorescent glue (56) is coated in the upper surface of described LED core lamellar body (52).
7. a kind of LED lamp tube based on AC-COB encapsulation according to claim 1 or 6, is characterized in that: described fluorescent glue (56) is guarantor's type glue, and is covered on described LED core lamellar body (52) by some glue.
8. a kind of LED lamp tube based on AC-COB encapsulation according to claim 1, is characterized in that: be also evenly distributed with the radiating fin (7) axially arranged at the outer surface of described lamp housing (1).
9. a kind of LED lamp tube based on AC-COB encapsulation according to claim 1, is characterized in that: described AC constant-current driven module (53) adopts XZ1100 constant-flow driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234616.5U CN204611422U (en) | 2015-04-17 | 2015-04-17 | A kind of LED lamp tube based on AC-COB encapsulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234616.5U CN204611422U (en) | 2015-04-17 | 2015-04-17 | A kind of LED lamp tube based on AC-COB encapsulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204611422U true CN204611422U (en) | 2015-09-02 |
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ID=53963984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234616.5U Expired - Fee Related CN204611422U (en) | 2015-04-17 | 2015-04-17 | A kind of LED lamp tube based on AC-COB encapsulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204611422U (en) |
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2015
- 2015-04-17 CN CN201520234616.5U patent/CN204611422U/en not_active Expired - Fee Related
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| 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: 20150902 Termination date: 20200417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |