Strip lamp and manufacturing method of strip lamp

A manufacturing method and strip light technology, which are applied to the semiconductor devices of light-emitting elements, lighting devices, light sources, etc., can solve the problems of cumbersome, multi-assembly process of strip light structure parts, etc., to simplify the assembly process, simplify the structure, and reduce the quantity. Effect

Pending Publication Date: 2021-06-18
LEEDARSON IOT TECH INC
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AI-Extracted Technical Summary

Problems solved by technology

[0003] An object of the present application is to provide a strip light, aiming to solve the problem in th...
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Method used

Further, please refer to FIG. 2 , as another specific embodiment of the strip light provided by the present application, the driving element 22 is located at both ends of the printed circuit board 21, and the outer sleeve of the lamp tube 1 is provided with a cover for driving Polyethylene terephthalate stickers 6 for components 22 and wires 3 . Since the lamp tube 1 is a glass tube 800, and the lamp cap 11 is formed by softening and cooling the glass tube 800, the external material of the bar light is transparent glass material, and the driving element 22 and the metal wire 3 are not covered. Affecting the overall aesthetics of the light bar, a polyethylene terephthalate sticker 6 for covering the driving element 22 and the metal wire 3 is set on the outside of the lamp tube 1, which can realize the control of the driving element 22 and the metal wire 3 The coverage improves the aesthetics of the strip light. At the same time, the color of the polyethylene terephthalate sticker 6 is close to the color of the glass of the lamp tube 1, which further improves the aesthetics of the light bar.
Further, please refer to Fig. 1-Fig. 3, as another kind of embodiment of the bar light provided by the application, the outer cover of lamp tube 1 is provided with heat-shrinkable light-diffusing film 5, improves the light extraction efficiency of bar light , to achieve a better luminous effect.
Further, please refer to Fig. 2, as another kind of embodiment of the bar light that the application provides, the back side of printed circuit board 21 is provided with silicone glue 7, and silicone glue 7 is arranged in contact with lamp tube 1 The heat generated by the light-emitting element 23 and the driving element 22 on the printed circuit board 21 can be quickly transferred to the lamp tube 1, and the heat will be dissipated into the air after the lamp tube 1 contacts with the air. The silicone glue 7 can be used as a buffer to avoid the collision between the printed circuit board 21 and the inner wall of the lamp tube 1 .
Further, referring to Fig. 4, as another specific embodiment of the bar light provided by the present application, a limit notch 1111 is provided on the inner wall of the relief hole 111, and the outer wall of the molybdenum needle 4 has a The limit protrusion 41 of the notch 1111 prevents the movement of the molybdenum needle 4 when subjected to axial force, and improves the stability of the installation of the molybdenum needle 4 . The limiting notch 1111 can be formed by bonding softened glass to the limiting protrusion 41 on the molybdenum needle 4 and cooling.
Further, referring to Fig. 4, as another specific embodiment of the light strip provided by the present application, the lamp tube 1 and the lamp holder 11 are glass parts, that is, the lamp tube 1 is a glass tube 800; the lamp tube 1 It is integrally formed with the lamp holder 11. Therefore, when making the light bar, after the driving power board 2 is installed in the lamp tube 1, the position of the metal wire 3 is fixed by a jig; the openings at both ends of the glass tube 800 are heated and softened; After both ends are softened, clamp the softened part of the glass tube 800 and use the softened part to seal the opening of the glass tube 800, and make the softened part adhere to the metal wire 3, and make the metal wire 3 stick out of the glass Tube 800; the softened part is cooled to form the lamp cap 11. That is, the lamp cap 11 is a "part" of the lamp tube 1, the lamp tube 1 is set as a glass tube 800, and the glass tube 800 is softened and clamped to form a "lamp cap 11", and there is no need to separately set up the lamp cap 11, which further simplifies the structure of the bar light number of pieces. At this time, the softened glass material is bonded to the surface of the metal wire 3 and then cooled and solidified, so that the metal wire 3 can be stably installed at the "lamp holder 11" and the metal wire 3 can be fixed.
In the embodiment of the present application, please refer to Fig. 1-Fig. 4 synchronously, first make the driving power board 2 with driving element 22 and light-emitting element 23; Then metal wire 3 is connected with driving power board 2, and The driving power board 2 connected with the metal wire 3 is installed in the lamp tube 1; finally, the lamp caps 11 are arranged at both ends of the lamp tube 1; compared with the prior art, the light source board is installed in the lamp tube 1 first, and then the driving board is installed Installing in the lamp holder 11 and then fixing the lamp holder 11 on the lamp tube 1 effectively simplifies the assembly process of the strip light.
Please refer to Fig. 1-Fig. 3 synchronously, that is, the lamp cap 11 is a "part" of the lam...
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Abstract

The invention discloses a strip lamp and a manufacturing method of the strip lamp. The strip lamp comprises a lamp tube, a driving power supply panel installed in the lamp tube and metal wires located at the two opposite ends of the driving power supply panel. The far ends, away from the driving power supply panel, of the metal wires are located outside the lamp tube. The driving power supply panel comprises a printed circuit board, a driving element arranged on the printed circuit board and electrically connected with the metal wires, and a light-emitting part arranged on the printed circuit board. The driving power supply board can be used as an independent part of the strip lamp, the structure of the strip lamp is effectively simplified, the number of strip lamp structural parts is reduced, only the driving power supply board needs to be installed in the lamp tube during assembly, and compared with the prior art that a light source board is installed in the lamp tube firstly, then a driving board is installed in a lamp cap, and then the lamp cap is fixed on the lamp tube, the disclosed strip lamp has an advantage that the assembly process of the strip lamp is effectively simplified.

Application Domain

Semiconductor devices for light sources

Technology Topic

PhysicsPrinted circuit board +6

Image

  • Strip lamp and manufacturing method of strip lamp
  • Strip lamp and manufacturing method of strip lamp
  • Strip lamp and manufacturing method of strip lamp

Examples

  • Experimental program(2)

Example Embodiment

[0075] For further, please refer to Figure 5 Another embodiment of the method of fabricating the bar lamp provided in this application, the lamp 1 is a glass tube 800, and step S400 specifically includes the following steps:
[0076] S401, through the position of the fixing metal wire 3;
[0077] S403, heat softening processing at both ends of the glass tube 800 (can be hot);
[0078] After S404, after both ends of the glass tube 800 softened, the portion of the glass tube 800 softens is clamped and the opening of the glass tube 800 is blocked, and the softened portion is bonded to the metal wire 3, and Allow metal wire 3 to extend the glass tube 800;
[0079] S405, the softened portion is cooled and form the lamp head 11.
[0080] Please see you sync Figure 1 - Figure 3 That is, the lamp head 11 is a "part" of the lamp 1, and the lamp 1 is disposed as a glass tube 800. After the glass tube 800 soften, the "lamp head 11" is formed, and there is no need to set the lamp head 11 components separately, and further simplify the lamp. The number of structural parts. At this time, the softened glass material is bonded to the surface of the metal wire 3, cooling solidification, can realize the fixing of the metal wire 3 to the "lamp head 11" to achieve the fixing of the metal wire 3. That is, the fixing of the metal wire 3 is also achieved while setting the lamp head 11, further simplifies the production process of the bar lamp. And the overall structure of the outer portion of the lamp is a glass piece, which enhances the aestheticity of the production of the lamp. In order to avoid driving the power supply plate 2, the length of the metal wire 3 can be set to a longer, and the driving power supply plate 2 and the tube 1 end portion can be lift.

Example Embodiment

[0081] For further, please refer to Figure 5 Another embodiment of the method of fabricating the strip lamp provided in the present application, the metal wire 3 is a copper needle, prior to step S403, as follows, as follows:
[0082] S402, in the outer sleeve of the metal wire 3, molybdenum needle 4.
[0083] Please see you sync Figure 4 When the lamp 1 and the lamp head 11 are glass pieces, that is, the lamp 1 is a glass tube 800; when the lamp head 11 is integrally formed, since the lamp head 11 is formed and bonded to the surface of the metal wire 3, The metal wire 3 is a copper needle, and the strand of copper needles is different from the shrinkage of the glass, so the copper needle is easily cracked by the thermal expansion. The molybdenum material is almost the same as the shrinkage of the glass material, so that the outer wall of the molybdenum needle 4 is provided with the inner wall of the position hole 111, that is, the surface of the glass bonded to the molybdenum needle 4 (indirectly bonded to the surface of the metal wire 3) Therefore, the molybdenum needle 4 is consistent with the volume change in the heat when the glass is formed, and the glass is not easily flexible. The bit hole 111 can be bonded by the softened glass material to the surface of the molybdenum needle 4 (indirectly bonded to the surface of the metal wire 3) and is formed after cooling.
[0084] For further, please refer to Figure 5 Further, as another embodiment of the method of making the lamp provided herein, step S100 specifically includes the steps of:
[0085] S101, designed and produced a printed circuit board 21 having a drive circuit and a light source circuit;
[0086] S102, the drive element 22 and the light collecting member 23 are welded to the respective solder joints of the printed circuit board 21, and the drive element 22 is located on opposite sides of the light emitting member 23.
[0087] The drive power board 2 can be produced by automation, so there is no need to manually participate in this step, and the cost of human cost is reduced, and the problem that is unassay that cannot be guaranteed by manual operation.
[0088] For further, please refer to Figure 5 Further, as another embodiment of the method of making the lamp provided in the present application, step S200 is specifically:
[0089] The metal wire 3 is welded to the corresponding welding point of the printed circuit board 21 by soldering.
[0090]The welding can realize the initial fixation of one end of the metal wire 3, and the other end is cooled by the softened glass bonded, and the fixation of both ends is achieved, ensuring the stability of the mounting of the metal wire 3, and avoids the looseness of the metal wire 3. Quality of the lamp.
[0091] Further, as another embodiment of the method of making the lamp provided in the present application, after step S400, the following steps are further included.
[0092] S500, a hot shrinkage diffusion film 5 is provided in the outer sleeve of the lamp 1, and the heat shrinkage diffusion film 5 is heated such that the heat shrinkage diffusion film 5 is close to the lamp tube 1. Improve the lighting efficiency of the lamp, achieve better luminous effect.
[0093] Further, as another embodiment of the method of making the lamp provided in the present application, after step S400, the following steps are further included.
[0094] S600, the tube 1 corresponds to the position set of the metal wire 3 and the drive element 22, gauge benzene terephthalate sticker 6. Since the lamp 1 is a glass tube 800, and the lamp head 11 is deformed and cooled by the glass tube 800, the outer material of the strip lamp is transparent, the drive element 22 and the metal wire 3 are never covered, thereby The beauty of the overall light is affected, and the outer sleeve of the lamp 1 is provided with polyethylene terephthalate stickers 6 for covering the driving element 22 and the metal wire 3, which can realize the drive element 22 and the metal wire 3. Covering, enhances the beauty of the lamp. At the same time, the color of the polyethylene terephthalate sticker 6 is close to the color of the glass of the lamp 1, further enhances the aesthetics of the bar.
[0095] Further, as another embodiment of the method of fabricating the lamp provided herein, step S300 is specifically:
[0096] S301, a silicone glue 7 is provided on one side of the printed circuit board 21 away from the light emitting member 23;
[0097] S302, the drive power supply plate 2 connected to which the metal wire 3 is inserted into the lamp tube 1, and the silicone glue 7 is in contact with the inner wall of the lamp tube 1. The heat generated by the light collecting member 23 and the driving element 22 can be quickly transmitted to the lamp tube 1, and the lamp is emitted to the air after contact with the air. Silicone glue 7 can be used as a buffer to avoid impact of the printed circuit board 21 and the inner wall of the lamp 1.

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Description & Claims & Application Information

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