CN206207102U - A kind of LED lamp tube of built-in power - Google Patents
A kind of LED lamp tube of built-in power Download PDFInfo
- Publication number
- CN206207102U CN206207102U CN201621178076.4U CN201621178076U CN206207102U CN 206207102 U CN206207102 U CN 206207102U CN 201621178076 U CN201621178076 U CN 201621178076U CN 206207102 U CN206207102 U CN 206207102U
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- Prior art keywords
- heat
- power supply
- light source
- conducting piece
- transfer area
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Abstract
The utility model discloses a kind of LED lamp tube of built-in power, including body（100）, the body（100）Inside set power supply module（500）, light source module（400）And heat-conducting piece（300）, the heat-conducting piece（300）Lower surface and inboard wall of tube body（101）Contact；The heat-conducting piece（300）Upper surface be divided into power supply heat transfer area（313）With light source heat transfer area（312）, wherein power supply heat transfer area（313）Located at heat-conducting piece（300）End, the light source heat transfer area（312）Inside it is disposed with light source module（400）, the power supply heat transfer area（313）Inside it is provided with power supply module（500）, the power supply module（500）With light source module（400）It is electrically connected with.Be arranged on same heat-conducting piece for light source module and power supply module by the utility model, the heat-conducting piece is contacted with inboard wall of tube body, thermal energy conduction power supply module and light source module produced using heat-conducting piece to inboard wall of tube body to radiate, while solving the Layout Problem and heat dissipation problem of power supply module.
Description
Technical field
The utility model is related to LED lamp tube field, more particularly to a kind of LED lamp tube with heat-sinking capability higher.
Background technology
The fluorescent-lamp tube for making illuminator using LED at present is more and more, with the raising of LED chip lumen per watt number,
Current density constantly increases, and heat dissipation problem is had become in making the fluorescent-lamp tube field of illuminator with LED chip, and one very
Prominent problem, for the minor diameter LED lamp tube such as T5 fluorescent tubes, the radiating of the closing chamber at LED lamp tube light extraction end is asked
Topic is extremely serious.
In order to control the junction temperature of LED chip, the temperature in LED lamp tube closing chamber is reduced, generally using following three kinds
Mode is realized：
First, radiated using the support of LED lamp tube.
For example because the diameter of T5 fluorescent tubes is small, small volume, T5 fluorescent tubes are typically manufactured into integrated T5 fluorescent tubes, including fluorescent tube
Support and LED lamp tube, this tube stand also have heat sinking function concurrently, are LED lamp tube radiating；Further, since T5 tube diameters are small,
The power supply module of mounted LED lamp pipe is not easy to, therefore, power supply module is also arranged on tube stand by most of integral type T5 fluorescent tubes
In, but, this integrated T5 fluorescent tubes have the shortcomings that volume is big, high cost, it is often more important that, it does not have solution well
The closing cavity temperature problem high of LED lamp tube, the thermal energy in closing chamber can not directly and efficiently be transferred out to come simultaneously
Distribute.
2nd, set in seal head end and force ventilating fan.
Using this scheme, increase the power consumption of LED fluorescent lamp tube and be more expensive to manufacture, the failure in use in addition may
Property is larger.
3rd, coolant is filled between LED illuminator and lamp casing.
Although preferably solving heat dissipation problem, make uniform temperature fields in whole sealed tube, due to the knot of existing pcb board
Structure characteristic so that the opposite surface in the light extraction end of LED illuminator, it is impossible to be processed into the surface of light-reflecting property high, therefore go out light efficiency
Rate have dropped 20% to 30%, and with high costs, and manufacturing process is complicated.
In addition, only applicants have found that, general, LED lamp tube is mainly made up of body, light source module and optical film,
Wherein, optical film bends to arc structure and is arranged on the inwall of body, and light source module is arranged in the optical film of arc structure
Cavity in.Due to there is the separation layers such as air, optical film between the light source module and body as pyrotoxin, with larger
Thermal resistance, the heat that light source module is produced quickly and efficiently can not be delivered on body, cause to be dissipated in itself by body
The mode of heat, its radiating effect is extremely undesirable, and radiating efficiency is low, and causes the temperature in LED lamp tube closing chamber high, influences light
The normal operation of source module.
Therefore, applicant thinks the heat conduction problem that has its source in of the heat dissipation problem that existing LED lamp tube is present, light source module
On hyperpyrexia efficiently and quickly can conduct to body, cause accumulated temperature in body chamber higher.So, in LED lamp tube
Heat conduction problem is the technical problem of current urgent need to resolve.
In addition, it should be noted that be：For small-bore LED lamp tube, the mounting means of its power supply module exists certain
, how to be arranged on power supply module in fluorescent tube, and can efficiently solve the heat dissipation problem of power supply module, and overcome power supply mould by problem
Influence of the heat energy that group is produced to light source module.Therefore, the Layout Problem and heat dissipation problem of the power supply module in LED lamp tube are also
The technical problem of current urgent need to resolve.
The content of the invention
Utility model purpose of the present utility model is：For above-mentioned problem, there is provided a kind of LED of built-in power
Fluorescent tube, light source module and power supply module is arranged at the upper surface of same heat-conducting piece, then by the lower surface of the heat-conducting piece and manage
Internal wall contact, makes the heat energy that power supply module and light source module are produced, and directly can be conducted to inboard wall of tube body by heat-conducting piece, by
The body of LED lamp tube is radiated, and solves Layout Problem of the power supply module in fluorescent tube, while also solving power supply module
Heat dissipation problem.
The technical solution adopted in the utility model is as follows：A kind of LED lamp tube of built-in power, including body, the body
Power supply module, light source module and heat-conducting piece are inside set, the lower surface of the heat-conducting piece is contacted with inboard wall of tube body；The heat-conducting piece it is upper
Surface is divided into power supply heat transfer area and light source heat transfer area, and wherein power supply heat transfer area is located at the end of heat-conducting piece, the light source
Light source module is disposed with heat transfer area, power supply module, the power supply module and light source die are provided with the power supply heat transfer area
Group is electrically connected with.
Based on above-described embodiment, further, on cross section, the height in the power supply heat transfer area is passed less than light source heat
Lead the height in area.
Using said structure, the hot incoming face of power supply module can be made closer to inboard wall of tube body, can quickly by power supply mould
On thermal energy conduction to the inboard wall of tube body of group, power supply module is reduced to the heat produced in closing chamber；And by power supply heat transfer area and
Light source heat transfer area carries out layering setting, and the heat energy that power supply module can be avoided to produce is directly conducted to by heat-conducting piece upper surface
On light source module, the temperature of light source module is influenceed.
Based on any of the above-described embodiment, further, the end of the body is provided with head sealing cover, is provided with the head sealing cover
Locating slot for heat-conducting piece to be butted on inboard wall of tube body, the end of the heat-conducting piece is embedded in the locating slot.
Using said structure, the locating slot in head sealing cover can be utilized, heat-conducting piece is closely against on inboard wall of tube body, reduce heat conduction
Air layer between part and inboard wall of tube body, reduces the thermal resistance between heat-conducting piece and inboard wall of tube body, improves the heat transfer energy between it
Power, lifts the radiating effect of LED lamp tube.
Based on any of the above-described embodiment, further, optical film, the exiting surface of the optical film are additionally provided with the body
Towards outside body, and contacted with inboard wall of tube body, the smooth surface of the optical film is towards in body, and the smooth surface Curved
Into the space for having receiving light source module.
Using said structure, the light-out effect of LED lamp tube is improved using optical film.
In sum, by adopting the above-described technical solution, the beneficial effects of the utility model are：
The utility model proposes LED lamp tube, light source module and power supply module are arranged at the upper table of same heat-conducting piece
Face, then the lower surface of the heat-conducting piece is contacted with inboard wall of tube body, making the heat energy that power supply module and light source module are produced, can directly lead to
Cross heat-conducting piece to conduct to inboard wall of tube body, radiated by the body of LED lamp tube, solve arrangement of the power supply module in fluorescent tube and ask
Topic, while also solving the heat dissipation problem of power supply module.
Brief description of the drawings
The utility model will be illustrated by example and with reference to the appended drawing, wherein：
Fig. 1 is the Structure explosion diagram of the utility model LED lamp tube.
Fig. 2 is the structural representation of the utility model heat-conducting piece.
Fig. 3 is the cross-sectional view of the utility model LED lamp tube.
Fig. 4 is the cross-sectional view of heat-conducting piece in the utility model.
In figure, 100- bodys, 101- inboard wall of tube body, 200- optical films, 202- edge, 204- openings, 209- exiting surfaces,
210- smooth surfaces, 300- heat-conducting pieces, the incoming face of 301- heat, 302- heat spreads out of face, and 303- contact sites, 304- breach, 306- is accommodated
Groove, 312- light source heat transfer area, 313- power supply heat transfer area, 400- light source modules, 500- power supply modules, 600- head sealing covers.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated otherwise,
Equivalent by other or with similar purpose alternative features are replaced.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
As shown in figure 1, Layout Problem and heat dissipation problem to solve LED lamp tube power supply module, the utility model proposes
Set power supply module 500, light source module 400 and lead in a kind of LED lamp tube of built-in power, including body 100, the body 100
Warmware 300, the lower surface of the heat-conducting piece 300 is contacted with inboard wall of tube body 101；The upper surface of the heat-conducting piece 300 is divided into power supply
Heat transfer area 313 and light source heat transfer area 312, wherein power supply heat transfer area 313 are located at the end of heat-conducting piece 300, the light source
It is disposed with heat transfer area 312 in light source module 400, the power supply heat transfer area 313 and is provided with power supply module 500, the power supply
Module 500 is electrically connected with light source module 400.
As shown in Fig. 2 further, on cross section, the height in the power supply heat transfer area 313 is less than light source heat transfer
The height in area 312.
Using said structure, the hot incoming face of power supply module can be made closer to inboard wall of tube body, can quickly by power supply mould
On thermal energy conduction to the inboard wall of tube body of group, power supply module is reduced to the heat produced in closing chamber；And by power supply heat transfer area and
Light source heat transfer area carries out layering setting, and the heat energy that power supply module can be avoided to produce is directly conducted to by heat-conducting piece upper surface
On light source module, the temperature of light source module is influenceed.
The utility model can also open up one or more on hot incoming face 301 is used to accommodate the receiving of conductor wire or colloid
Groove 306.Certainly, the pockets 306 can also be to be the groove of Matching installation light source module 400.
Further, the end of the body 100 is provided with head sealing cover 600, is provided with the head sealing cover 600 for by heat conduction
Part 300 is butted on the locating slot of inboard wall of tube body 101, and the end of the heat-conducting piece 300 is embedded in the locating slot.
Using said structure, the locating slot in head sealing cover can be utilized, heat-conducting piece is closely against on inboard wall of tube body, reduce heat conduction
Air layer between part and inboard wall of tube body, reduces the thermal resistance between heat-conducting piece and inboard wall of tube body, improves the heat transfer energy between it
Power, lifts the radiating effect of LED lamp tube.
As shown in figure 3, being based on any of the above-described embodiment, further, optical film 200, institute are additionally provided with the body 100
The exiting surface 209 of optical film 200 is stated towards outside body 100, and is contacted with inboard wall of tube body 101, the light of the optical film 200
Face 210 is towards in body 100, and the smooth surface 210 is bent to form the space for accommodating light source module 400.
Using said structure, the light-out effect of LED lamp tube is improved using optical film.
In the utility model, the heat-conducting piece may include for contacted with light source module 400 hot incoming face 301, be used for
The heat contacted with the inwall of body 100 spreads out of face 302 and the contact site 303 for coordinating with optical film 200, the hot incoming face
301st, contact site 303 is spread out of on face 302 located at heat.
For example, the heat-conducting piece is string configuration, its cross section can be "working"-shaped structure, as shown in figure 4, wherein leading
The top surface of warmware is hot incoming face 301, and the bottom surface of heat-conducting piece spreads out of face 302 for heat；On its cross section, the contact site 303
It is two breach 304 in the middle part of heat-conducting piece, two breach 304 are oppositely arranged and towards the both sides of heat-conducting piece.
The heat-conducting piece mainly can spread out of plate 307, thermal transfer plate 309 and loading plate 310 and constitute by heat, the loading plate
310 spread out of plate 307 by thermal transfer plate 309 and heat is fixedly connected, wherein, the loading plate 310 is also needed using Heat Conduction Material system
Make and form, certain heat spreads out of plate 307, loading plate 310 and thermal transfer plate 309 can be integrated, the loading plate 310
Top surface be hot incoming face 301, the heat spreads out of the bottom surface of plate 307 for heat spreads out of face 302.
On cross section, the width that the loading plate 310 spreads out of plate 307 with heat is all higher than the width of thermal transfer plate 309, makes
The both sides of thermal transfer plate 309 and loading plate 310 and heat form two breach 304 between spreading out of plate 307.
In the utility model, the optical film 200 is flexible to be butted on inboard wall of tube body 101 into arc structure, two edge 202
Between formed it is at regular intervals opening 204.The edge 202 is stretched into the contact site 303, described to open on cross section
The spacing of mouth 204 is more than or equal to the minimum spacing between two contact sites 303 on heat-conducting piece 300.
The utility model is not limited to foregoing specific embodiment.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
Close.
Claims (4)
1. a kind of LED lamp tube of built-in power, including body（100）, the body（100）Inside set power supply module（500）, light source
Module（400）And heat-conducting piece（300）, it is characterised in that：The heat-conducting piece（300）Lower surface and inboard wall of tube body（101）Contact；
The heat-conducting piece（300）Upper surface be divided into power supply heat transfer area（313）With light source heat transfer area（312）, wherein power supply is warm passes
Lead area（313）Located at heat-conducting piece（300）End, the light source heat transfer area（312）Inside it is disposed with light source module（400）, institute
State power supply heat transfer area（313）Inside it is provided with power supply module（500）, the power supply module（500）With light source module（400）Electrically connect
Connect.
2. a kind of LED lamp tube of the built-in power being based on described in claim 1, it is characterised in that：On cross section, the power supply
Heat transfer area（313）Height be less than light source heat transfer area（312）Height.
3. a kind of LED lamp tube of the built-in power being based on described in claim 1 or 2, it is characterised in that：The body（100）'s
End is provided with head sealing cover（600）, the head sealing cover（600）Inside it is provided with for by heat-conducting piece（300）It is butted on inboard wall of tube body（101）'s
Locating slot, the heat-conducting piece（300）End be embedded in the locating slot.
4. a kind of LED lamp tube of the built-in power being based on described in claim 1 or 2, it is characterised in that：The body（100）It is interior
It is additionally provided with optical film（200）, the optical film（200）Exiting surface（209）Towards body（100）Outside, and and inboard wall of tube body
（101）Contact, the optical film（200）Smooth surface（210）Towards body（100）It is interior, and the smooth surface（210）It is curved
Song is formed with receiving light source module（400）Space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621178076.4U CN206207102U (en) | 2016-10-27 | 2016-10-27 | A kind of LED lamp tube of built-in power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621178076.4U CN206207102U (en) | 2016-10-27 | 2016-10-27 | A kind of LED lamp tube of built-in power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206207102U true CN206207102U (en) | 2017-05-31 |
Family
ID=58758599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621178076.4U Expired - Fee Related CN206207102U (en) | 2016-10-27 | 2016-10-27 | A kind of LED lamp tube of built-in power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206207102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843985A (en) * | 2018-08-21 | 2018-11-20 | 苏州欧普照明有限公司 | Light source module group and lamps and lanterns |
-
2016
- 2016-10-27 CN CN201621178076.4U patent/CN206207102U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843985A (en) * | 2018-08-21 | 2018-11-20 | 苏州欧普照明有限公司 | Light source module group and lamps and lanterns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |