CN103968353A - Housing, lighting device comprising housing and manufacturing method thereof, and tube - Google Patents
Housing, lighting device comprising housing and manufacturing method thereof, and tube Download PDFInfo
- Publication number
- CN103968353A CN103968353A CN201310039672.9A CN201310039672A CN103968353A CN 103968353 A CN103968353 A CN 103968353A CN 201310039672 A CN201310039672 A CN 201310039672A CN 103968353 A CN103968353 A CN 103968353A
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- main body
- housing
- end cap
- substrate
- cover body
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a housing of a light-emitting unit, which comprises a base and a hood, wherein the base and the hood define a space for accommodating the light-emitting unit. The housing is characterized in that the hood comprises a main body and at least one end cover arranged on one end side of the main body, and the end cover is integrated with the main body. Meanwhile, the invention further relates to a lighting device comprising the housing and a method for manufacturing the lighting device.
Description
Technical field
The present invention relates to a kind of housing for luminescence unit and a kind of lighting device and manufacture method thereof that comprises this housing.In addition the invention still further relates to a kind of fluorescent tube that comprises this lighting device.
Background technology
Along with the extensive use of LED technology and development fast thereof, adopt the lighting device that LED is light source to be also widely used, such as daily bulb, baby spot and stage illumination, lighting etc.Along with the further exploitation of illumination apparatus, the LED lighting device with linear light source of arranging is receiving increasing concern aspect its encapsulation, and to it aspect industrial protection, for example waterproof and dustproof, requires also more and more higher.In order to meet the requirement of the industrial protection aspect to this kind of lighting device, prior art has adopted various mode to seal this lighting device.
Propose according to prior art solution, in order to reach the effect of the encapsulation to this lighting device, at the two ends of the housing of its tubulose, end cap is installed, this end cover designs seals for the two ends of illumination apparatus.But, because the tolerance based in manufacturing and assembling between end cap and cover body, still exist space, so in order to prevent extraneous pollutant, for example liquid and dust enter into the inside of housing by this space, must adopt additional connection measure on the surface of the abutting end of cover body, for example, guarantee good sealing and be connected effect by means of adhesive glue.Apply the problem that this kind of solution still can exist various kinds, if end cap can not well engage with the abutting end of cover body, this is by the industrial protection grade that affects significantly this lighting device and can reach.Therefore seal aspect, particularly waterproof and dustproof aspect still there is large-scale research and development space.In addition, this solution, because need to apply extra filling process in end caps, causes the cost of this solution to increase extraly.
Summary of the invention
For solving the problems of the technologies described above; the invention provides a kind of new hull for luminescence unit; this novel housing has adopted improved project organization and preparation method, has good industrial protection performance, therefore can realize good waterproof and dustproof performance.In addition because having simple project organization and be convenient to, manufactures this housing.Consider from economic aspect, this new hull for luminescence unit will reduce costs significantly in manufacturing process, therefore can in like product, embody outstanding economic advantages and longer service life.
First object of the present invention realizes by a kind of like this housing for luminescence unit, the housing that is described luminescence unit comprises substrate, cover body, wherein substrate and cover body limit the space for holding luminescence unit, it is characterized in that, described cover body comprises main body and at least one the distolateral end cap in described main body, and described end cap and described main body are one-body molded.This cover body having for the housing of luminescence unit is also different from detachable cover body of the prior art, but integrated cover body.Because cover body has good sealing at distolateral end cap, and the housing of this end cap and this luminescence unit is integrated molding, therefore can reach other sealing effectiveness of molecular level.Can ensure well that thus the sealing of housing is to reach the requirement of the encapsulation of industrial protection to this kind of product.In addition because cover body self is one, no matter be therefore in manufacture process or in assembling process, can raise the efficiency, reduce undesirable tolerance.
In a preferred design according to the present invention, described end cap and described main body Integral moulding.By this molding mode, the housing of this end cap and this luminescence unit well links together, and has ensured that these two parts can be not separated from one another, and has also simplified making flow process.
Preferably, it is molded and shaped that integrated through injection molding is inlayed in described main body and described end cap utilization.Depend on the feature on the main body of this housing and the structure and material of this end cap, producer can select moulding process targetedly, for example can advantageously adopt the mode of inlaying injection moulding by this main body and end cap seal link together, to form complete entirety.
In the preferred design of one, described main body and described end cap are made up of insulating materials of the same race.Can select insulating materials of the same race, for example PC, PMMA or other similar materials to manufacture two part main bodys and the end cap of housing.The syncretizing effect of material has been considered in this design especially fully, and good electric insulation and heat-insulating effect is also provided, and has ensured the reliability of cover body.For example can select to spray injection moulding or other applicable modes and carry out this cover body of disposable manufacture.
In the preferred design of another kind, described main body and described end cap are made up of different insulating materials.Also can select different insulating materials to form main body and the end cap of housing according to the requirement of for example economy and weight aspect.This design need to be considered the compatibility of material in the time merging, for example, can select the technique of similar double-shot moulding to manufacture whole cover body.
Preferably, described main body is utilized expressing technique moulding and further to inlay integrated through injection molding molded and shaped with described end cap utilization.For example, in the time selecting different materials to manufacture cover body, can, first by using once expressing technique to manufacture the main body of housing, then for example make end cap moulding by the mode of injection moulding in the mode of " post forming " at the two ends of main body.By the design of this " post forming ", can simplify the manufacturing process of two parts of cover body, guaranteeing these two parts while connected to one another simultaneously, also ensure the sealing of this connection.To there is this self integrated cover body as prerequisite, can reach desirable sealing effectiveness according to housing of the present invention, thereby meet the desired various industrial protection grades of user.
Preferably, the cantilever that described end cap has lid and extends away from described lid in the direction extending longitudinally of described main body.Cantilever can be regarded as funtion part of cover body, for achieving a fixed connection with the substrate that need to assemble with cover body.By means of cantilever, provide housing and substrate have been carried out to the possibility being effectively connected, can further simplify thus the assembling process of housing, particularly reach the requirement of in modern lighting device " non-bolted joint " of main flow.
Preferably, described cantilever, described lid and described substrate limit the encapsulation groove for encapsulating material.By the encapsulating material of perfusion fluid or gel state in this encapsulation groove, after it solidifies, can fill up accurately the gap existing in the join domain of cover body and substrate, the two is closely connected each other.By selecting such as silica-based or other applicable encapsulating materials to form the seal such as sealing frame or sealing ring, further in circumferential direction, improve the possibility of seal protection for cover body according to the present invention, for example, for waterproof and/or dustproof.Preferably, described encapsulating material seals described substrate and described cover body.
Preferably, the end of described cantilever is formed with fixed structure, and described fixed structure extends away from described main body.Owing to there being the fixed structure of this decision design, therefore the producer can adopt effective mode the housing of luminescence unit is fixed and is connected with radiator or substrate, to can not become flexible easily between these two chief components of guarantee housing, separated from one another even.Also can say, can improve the safety and reliability according to housing of the present invention by means of fixed structure.
Preferably, described fixed structure is to be designed for the snap fit being fixedly connected with described substrate.Like this, formed effectively and be that connected mode is connected the housing of this luminescence unit with substrate flexibly.
Preferably, described main body has half tubular profile.This half tubular profile has improved the optical efficiency of the lighting device of the housing that is provided with this luminescence unit effectively.In addition this design has increased the versatility of housing, for example, can be widely used for T5/T8 type fluorescent tube.
Preferably, described main body is made up of light transmissive material.Light transmissive material is for example glass or transparent plastic, or the transparent material that contains fluorescent material.Therefore select light transmissive material can improve the illuminating effect of the luminescence unit with this housing as main body.
Preferably, described substrate is radiator.By light source being arranged between the housing and this radiator of luminescence unit, can, when the optical efficiency that this light source is good is provided, also ensure good heat dispersion.In addition, this design can reduce volume and number of components and the deadweight of housing, has significant compactedness.
Preferably, described substrate is made up of heat-conducting metal.By using good thermal conductance metal, thereby the light source of having realized being arranged on radiator dispels the heat effectively, has ensured the stable working environment of this product.
In addition the present invention also proposes a kind of lighting device, and this lighting device comprises luminescence unit and according to above-described housing, wherein said luminescence unit is positioned at described enclosure interior hermetically.Be provided with according to the lighting device of housing of the present invention and there is good sealing property and longer service life, thereby can meet the seal request of various illumination occasions, and reach predetermined industrial protection grade.
Preferably, the light source of described luminescence unit is LED light source.LED light source has advantages of energy-efficient, is the main stream light sources of current lighting device.
In addition the present invention also proposes a kind of fluorescent tube, it is characterized in that, this fluorescent tube also comprises that, according to above-described lighting device, wherein said lighting device has bar profile.This fluorescent tube can provide the light source of effective linearity, and can in complex environment, stablize and provide reliably sufficient light source.
The invention still further relates to a kind of method for the manufacture of lighting device, it is characterized in that comprising the following steps:
A) provide cover body, described cover body comprises main body and at least one the distolateral end cap in described main body, and described end cap and described main body are one-body molded;
B) provide substrate and luminescence unit, wherein said luminescence unit is arranged in the space that described substrate and described cover body limit;
C) provide encapsulating material to seal the encapsulation groove between described substrate and described cover body.
Preferably, in step a), described main body utilizes expressing technique moulding and further to inlay integrated through injection molding molded and shaped with described end cap utilization.
By using above-described manufacture method, can, in simplifying manufacturing process, provide the sealing means of industrial protection function admirable.Can make thus the lighting device that adopts this method manufacture to form there is low cost, high leakproofness, and can be widely used in indoor and outdoor lighting field, particularly rugged environment.
Brief description of the drawings
Accompanying drawing forms the part of this description, for helping further to understand the present invention.These accompanying drawings illustrate embodiments of the invention, and are used for illustrating principle of the present invention together with description.Identical parts represent with identical label in the accompanying drawings.Shown in figure:
Fig. 1 illustrates according to the sectional view of the housing of luminescence unit of the present invention embodiment;
Fig. 2 illustrates according to the main body of housing of the present invention embodiment;
Fig. 3 illustrates according to cover body of the present invention embodiment;
Fig. 4 illustrates according to fluorescent tube of the present invention embodiment.
Detailed description of the invention
Can be for holding the luminescence unit 20 shown in Fig. 2 according to housing 10 of the present invention, this housing 10 comprises substrate 1, cover body 2 and encapsulating material 4, encapsulating material 4 seals the join domain of substrate 1 and cover body 2 with the form of seal frame, and described cover body 2 comprises main body 21 and at least one the distolateral end cap 22 in main body 21, end cap 22 and main body 21 are one-body molded.
Fig. 1 illustrates that luminescence unit 20(according to the present invention is referring to Fig. 4) the sectional view of an embodiment of housing 10.As seen from the figure, the main body 21 of the cover body 2 of housing 10 has half tubular profile.According to the present invention, end cap 22 and the main body 21 of cover body 2 are Integral mouldings.The main body 21 of housing 10 is made up of light transmissive material in the preferred case, and substrate 1 and cover body 2 fit together rear formation housing 10, and the inside of housing 10 limits the space R for holding luminescence unit 20.The included substrate 1 of this housing 10 can be designed as for luminescence unit 20 radiators, so that the electronic device that can produce heat in the time working is dispelled the heat.In addition, this design can reduce volume and number of components and the deadweight of housing, has significant compactedness.In the situation that substrate 1 is designed to radiator, preferably select metal or heat-conducting plastic that for example heat conductivility is good to manufacture substrate 1, thereby guarantee luminescence unit 20 to carry out rapidly effectively heat radiation, thus for luminescence unit 20 provides good working environment, and make it have longer service life.
Fig. 2 illustrates an embodiment according to the main body 21 of the cover body 2 of housing 10 of the present invention.As shown in Figure 2, because main body 21 has bar profile, therefore can advantageously select expressing technique to manufacture main body 21.Can find out in conjunction with Fig. 3, after main body 21 moulding, be positioned at further the end cap 22 at main body 21 two ends with the mode manufacture of quadric injection mould.In order to meet the ask for something of for example economy and weight aspect, conventionally select different materials to form main body 21 and end cap 22.Therefore, can preferably manufacture with similar technique of inlaying injection moulding, make main body 21 and end cap 22 form an entirety, pass through the one-piece type cover body 2 of secondary injection molding.According to the design of this quadric injection mould, not only simplify the manufacture process of main body 21 and end cap 22, and in the two while connected to one another, also ensured the good sealing between main body 21 and end cap 22 from molecule rank.The cover body 2 of making thus provides the protection possibility of high-seal for housing 10.
In addition,, in a unshowned embodiment, also can select simply insulating materials of the same race to manufacture main body 21 and end cap 22.The syncretizing effect of material has been considered in this design especially fully, and good electric insulation and heat-insulating effect is also provided, and has ensured the reliability of cover body.For example can select to spray injection moulding or other applicable modes and carry out this cover body of disposable manufacture.
In addition, from Fig. 3, it can also be seen that, the end cap 22 of cover body 2 also has lid 25 and cantilever 23, and this cantilever 23 described further away from each other lid 25 on longitudinal bearing of trend of main body 21 extends.On longitudinal bearing of trend, be also formed with fixed structure 24 at the end of cantilever 23, this fixed structure 24 extends away from described lid 25 equally.This fixed structure 24 guarantees cover body 2 and substrate 1 to link together securely, and two parts can not separated easily.In addition, described fixed structure 24 is designed to snap fit, and this snap fit is for being fixed and being connected with described substrate 1, and connected mode is flexibly provided well.Also can consider fixed structure 24 to be designed to other applicable shapes, for example latch or analog.
In Fig. 3, also illustrate, between cantilever 23, lid 25 and substrate 1, limit the encapsulation groove 5 for encapsulating material 4.Can advantageously seal the join domain between substrate 1 and cover body 2 by means of the encapsulating material 4 being fixed in encapsulation groove 5.
Substrate 1 and cover body 2 at housing 10 limit the space R for holding luminescence unit 20.
Fig. 4 illustrates according to fluorescent tube of the present invention embodiment.In the present embodiment, lighting device 100 according to the present invention is the fluorescent tubes that are similar to T5/T8 type, and it has good versatility.This lighting device 100 comprises the housing 10 shown in luminescence unit 20 and Fig. 1 to 3, and wherein, luminescence unit 20 is to be arranged in hermetically the inside of described housing 10, i.e. space R, and has used the light source of LED light source as this luminescence unit 20.This LED light source is arranged on the inside of this housing 10, thereby has ensured the industrial protection effect to this LED light source.
As shown in Figure 4, the present invention also proposes a kind of fluorescent tube, this fluorescent tube has according to above-described lighting device 100, and this lighting device 100 has cover body 2, is arranged on luminescence unit 20 and the substrate 1 of the LED light source of cover body 2 inside, and this lighting device 100 has bar profile.This fluorescent tube can provide the light source of effective linearity, and can in rugged environment, stablize and sufficient light source is provided reliably, and has longer service life.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All any amendments of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Reference number
1 substrate
2 cover bodies
4 encapsulating materials
5 encapsulation grooves
10 housings
20 luminescence units
21 main bodys
22 end caps
23 cantilevers
24 fixed structures
25 lids
100 lighting devices
R space
Claims (20)
1. the housing (10) of a luminescence unit (20), comprise substrate (1), cover body (2), wherein said substrate (1) and described cover body (2) limit the space (R) for holding luminescence unit (20), it is characterized in that, described cover body (2) comprises main body (21) and distolateral at least one end cap (22) in described main body (21), and described end cap (22) and described main body (21) are one-body molded.
2. housing according to claim 1 (10), is characterized in that, described end cap (22) and described main body (21) Integral moulding.
3. housing according to claim 2 (10), is characterized in that, it is molded and shaped that the utilizations of described main body (21) and described end cap (22) are inlayed integrated through injection molding.
4. housing according to claim 1 and 2 (10), is characterized in that, described main body (21) and described end cap (22) are made up of insulating materials of the same race.
5. housing according to claim 1 and 2 (10), is characterized in that, described main body (21) and described end cap (22) are made up of different insulating materials.
6. housing according to claim 2 (10), is characterized in that, described main body (21) utilizes expressing technique moulding and further to inlay integrated through injection molding molded and shaped with described end cap (22) utilization.
7. housing according to claim 1 and 2 (10), is characterized in that, the cantilever (23) that described end cap (22) has lid (25) and extends away from described lid (25) in the direction extending longitudinally of described main body (21).
8. housing according to claim 7 (10), is characterized in that, described cantilever (23), described lid (25) and described substrate (1) limit the encapsulation groove (5) for encapsulating material (4).
9. housing according to claim 8 (10), is characterized in that, described encapsulating material (4) seals described substrate (1) and described cover body (2).
10. housing according to claim 7 (10), is characterized in that, the end of described cantilever (23) is formed with fixed structure (24), and described fixed structure (24) is away from described lid (25).
11. housings according to claim 10 (10), is characterized in that, described fixed structure (24) is to be designed for the snap fit being fixedly connected with described substrate (1).
12. housings according to claim 1 and 2 (10), is characterized in that, described main body (21) has half tubular profile.
13. housings according to claim 1 and 2 (10), is characterized in that, described main body (21) is made up of light transmissive material.
14. housings according to claim 1 and 2 (10), is characterized in that, described substrate (1) is radiator.
15. housings according to claim 14 (10), is characterized in that, described substrate (1) is made up of heat-conducting metal.
16. 1 kinds of lighting devices (100), comprise luminescence unit (20), it is characterized in that, also comprise that, according to housing (10) described in any one in claim 1-15, wherein said luminescence unit (20) is positioned at described housing (10) inside hermetically.
17. lighting devices according to claim 16 (100), is characterized in that, the light source of described luminescence unit (20) is LED light source.
18. 1 kinds of fluorescent tubes, is characterized in that comprising that, according to the lighting device described in claim 16 or 17 (100), wherein said lighting device (100) has bar profile.
19. 1 kinds of methods for the manufacture of lighting device (100), is characterized in that comprising the following steps:
A) provide cover body (2), described cover body (2) comprises main body (21) and distolateral at least one end cap (22) in described main body (21), and described end cap (22) and described main body (21) are one-body molded;
B) provide substrate (1) and luminescence unit (20), wherein said luminescence unit (20) is arranged in the space (R) that described substrate (1) and described cover body (2) limit;
C) provide encapsulating material (4) to seal the encapsulation groove (5) between described substrate (1) and described cover body (2).
20. methods according to claim 19, is characterized in that, in step a), described main body (21) utilizes expressing technique moulding and further to inlay integrated through injection molding molded and shaped with described end cap (22) utilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039672.9A CN103968353A (en) | 2013-01-31 | 2013-01-31 | Housing, lighting device comprising housing and manufacturing method thereof, and tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039672.9A CN103968353A (en) | 2013-01-31 | 2013-01-31 | Housing, lighting device comprising housing and manufacturing method thereof, and tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968353A true CN103968353A (en) | 2014-08-06 |
Family
ID=51238182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310039672.9A Pending CN103968353A (en) | 2013-01-31 | 2013-01-31 | Housing, lighting device comprising housing and manufacturing method thereof, and tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968353A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678576A (en) * | 2016-12-14 | 2017-05-17 | 安徽极光照明工程有限公司 | Replaceable LED module lamp |
| JP2023154448A (en) * | 2022-04-07 | 2023-10-20 | エイテックス株式会社 | Manufacturing method of LED lighting device |
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| CN101629692A (en) * | 2009-08-11 | 2010-01-20 | 周晓兴 | Sealed type lampshade structure |
| CN201420967Y (en) * | 2009-04-08 | 2010-03-10 | 东莞市实达精密机器有限公司 | LED lamp tube with improved structure |
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| CN2310236Y (en) * | 1997-04-01 | 1999-03-10 | 蔡天赐 | Improved lamp set structure |
| CN101487587A (en) * | 2008-01-18 | 2009-07-22 | 富准精密工业(深圳)有限公司 | LED lamp |
| CN101581433A (en) * | 2008-05-14 | 2009-11-18 | 富准精密工业(深圳)有限公司 | Light-emitting diode light fitting |
| CN101363579A (en) * | 2008-09-05 | 2009-02-11 | 北京中庆微数字设备开发有限公司 | LED lamp strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106678576A (en) * | 2016-12-14 | 2017-05-17 | 安徽极光照明工程有限公司 | Replaceable LED module lamp |
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| JP7408172B2 (en) | 2022-04-07 | 2024-01-05 | エイテックス株式会社 | Manufacturing method of LED lighting device |
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Application publication date: 20140806 |