CN105546382A - LED lamp tube and manufacturing process thereof - Google Patents
LED lamp tube and manufacturing process thereof Download PDFInfo
- Publication number
- CN105546382A CN105546382A CN201511010317.4A CN201511010317A CN105546382A CN 105546382 A CN105546382 A CN 105546382A CN 201511010317 A CN201511010317 A CN 201511010317A CN 105546382 A CN105546382 A CN 105546382A
- Authority
- CN
- China
- Prior art keywords
- led lamp
- lamp tube
- mould
- stilling
- canals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
The invention discloses an LED lamp tube and a manufacturing process thereof, and belongs to the field of fixation of light sources in lighting devices. The LED lamp tube and the manufacturing process thereof are used for solving the problems that the service life is short and an LED lamp strip is complex to mount due to the fact that an LED lamp strip in an existing LED lamp tube is fixed through adhesive belt or gluing. The LED lamp tube comprises a glass tube body, two protruding columns are arranged on the inner wall of the glass tube body, and the LED lamp tube is manufactured through the procedures of melting raw materials into glass melt through the high temperature, stirring the glass melt, conducting forming and cutting a tube. The LED lamp tube and the manufacturing process thereof are mainly used for manufacturing LED lamps.
Description
Technical field
The present invention relates to the fixed network of light source in lighting device, specifically, relate to a kind of LED lamp tube and manufacture craft thereof.
Background technology
LED adopts LED as illuminator, because it be saving energy consumption, long service life, does not need often to change the environmental type semi-conductor electricity light source of the parts such as ballast, replaces traditional fluorescent lamp gradually.Existing LED comprises glass lamp and LED lamp bar, and described LED lamp bar is by adhesive tape or play glue and be fixed in glass lamp, and this mounting process is complicated, and efficiency is low, and cost is high, and LED lamp bar easily comes off, and the service life of LED is short.
Summary of the invention
For solving the problem, the invention provides a kind of installation, fixed L ED lamp bar is simpler, easy, the LED lamp tube of longer service life, and manufacture craft.
LED lamp tube of the present invention, comprises canals of stilling, and described canals of stilling inwall is provided with two projections, the axis being parallel of described projection and canals of stilling, and two adjacent sides of projection are curved.
LED lamp tube inwall of the present invention is provided with integrated two projections, two projections form draw-in groove, described draw-in groove is used for holding LED lamp bar, and then without the need to using adhesive tape or passing through to beat glue form fixed L ED lamp bar, directly LED lamp bar inserted in space that projection formed, LED lamp bar difficult drop-off, service life is extended, and the existence of projection, make that the assembling of LED lamp bar is more simple, efficiency of assembling is higher, cost is lower.
LED lamp tube manufacture craft of the present invention, comprises the following steps:
(1) glass melts melting: dropped into by raw material in glass furnace, high temperature melting is smelt glass melts;
(2) glass melts stirs: imported in revolving sleeve by the glass melts of melting in glass furnace, stir;
(3) hollow molding: establish blast pipe in revolving sleeve, described blast pipe connecting mold, glass melts is cast and is cooled gradually above mould, and in blast pipe, bar is blown in air blast, formed hollow, inwall has the body of two projections;
Described mould comprises bottom mesa-shaped top and column, and mould is provided with longitudinal hole and two longitudinal openings of through mould, and described through hole is positioned at mold center position; Described open cross-section is " C " font, and two opening shaft are symmetrical arranged;
(4) pipe forming: body is delivered to pipe installation, body is cut into the canals of stilling of certain length by described pipe installation; In course of conveying, stress relief treatment is carried out to body.
Preferably, step (4) middle tube body is carried by fluorescent tube conveying device, and is closed, negative pressure transportation.This processing step carries out in enclosed environment, is because canals of stilling temperature is too high first, prevents from scalding employee or other equipment, second carries out preventing impurity from invading the quality reducing canals of stilling in canals of stilling in enclosed environment.Negative pressure is transported, and controls pressure in fluorescent tube conveying device and is less than atmospheric pressure, and object is the hollow glass body guaranteeing to be formed smooth in appearance.
Preferably, described stress elimination is realized by stress eliminating device, and described stress eliminating device comprises air compressor, ajutage, water cooling box, forced air cooled tube and retainer plate, and forced air cooled tube is fixed around retainer plate.Described body is through the conveying of retainer plate center position.Described forced air cooled tube is lowered the temperature by water cooling box, and forced air cooled tube is through water cooling box, and the air in forced air cooled tube realizes the cooling of canals of stilling in cooling after-blow to canals of stilling.
Preferably, the die top used in step (3) is round table-like, and bottom is cylindric.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the LED lamp tube inwall that the present invention makes is provided with the projection placing LED lamp bar, LED lamp bar is directly inserted between two projections and can be realized fixing, without the need to re-using adhesive tape or fixing by beating glue form, the assembling of LED lamp bar is more simple, efficiency of assembling is higher, cost is lower;
(2) LED lamp tube of the present invention's making is one-body molded, and preparation method is simple, easy to operate; And made LED lamp tube is after forced air cooled tube cooling, can eliminate the thermal stress on glass tube, make glass tube stress elimination more thorough, glass tube intensity is higher, not easily broken;
(3) mould used in the present invention, can complete with the LED lamp tube of projection, the major reason produced with the fluorescent tube of projection all failed in prior art is just the selection of mould, and mould of the present invention provides reliable guarantee by the formation being set to projection of opening.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the LED lamp tube that the present invention makes;
Fig. 2 is present invention process flow chart;
Fig. 3 is stress eliminating device structure diagram in Fig. 2;
Fig. 4 is A-A direction view in Fig. 3;
Fig. 5 is mould structure schematic diagram used in the present invention;
Wherein, 10-fluorescent tube; 20-mould;
101-canals of stilling; 102-projection; 201-through hole; 202-opening;
301-glass furnace; 302-revolving sleeve; 303-blast pipe; 304-stress eliminating device; 305-pipe installation; 306-fluorescent tube conveying device;
3041-air compressor; 3042-water cooling box; 3043-forced air cooled tube; 3044-retainer plate; 3045-ajutage.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further explained.
A kind of LED lamp tube 10, comprise canals of stilling 101, described canals of stilling 101 inwall is provided with two projections 102, and the axis being parallel of described projection 102 and canals of stilling 101, two adjacent sides of projection 102 are curved.Described canals of stilling 101 is one-body molded with the projection 102 on its inwall.
Its preparation method is as follows:
(1) glass melts melting: dropped into by raw material in glass furnace 301, high temperature melting is smelt glass melts;
(2) glass melts stirs: imported in revolving sleeve 302 by the glass melts of melting in glass furnace 301, stir;
(3) hollow molding: establish blast pipe 303 in revolving sleeve 302, described blast pipe 303 connecting mold 20, glass melts is cast and is cooled gradually above mould 20, and in blast pipe 303, bar is blown in air blast, formed hollow, inwall has the body of two projections 102;
Described mould 20 comprises bottom mesa-shaped top and column, and mould 20 is provided with longitudinal hole 201 and two longitudinal openings 202 of through mould 20, and described through hole 201 is positioned at mould 20 center position; Described opening 202 cross section is " C " font, and two opening 202 axial symmetry are arranged;
(4) pipe forming: body is delivered to pipe installation 305, described pipe installation 305 is by the canals of stilling 101 of body cutting in certain length; In course of conveying, stress relief treatment is carried out to body.
Body is carried by fluorescent tube conveying device 306, and fluorescent tube conveying device 306 is closed, negative pressure transportation, and fluorescent tube conveying device 306 is provided with delivery wheel, is provided with seal bootr and closes conveying outside delivery wheel.This processing step carries out in enclosed environment, is because canals of stilling temperature is too high first, prevents from scalding employee or other equipment, second carries out preventing impurity from invading the quality reducing canals of stilling 101 in canals of stilling 101 in enclosed environment.Negative pressure is transported, and controls pressure in fluorescent tube conveying device and is less than atmospheric pressure, and object is the hollow glass body guaranteeing to be formed smooth in appearance.
Fluorescent tube conveying device 306 is provided with stress eliminating device 304, as shown in Figure 3,4, described stress eliminating device 304 comprises air compressor 3041, ajutage 3045, water cooling box 3042 and forced air cooled tube 3043, retainer plate 3044, described forced air cooled tube 3043 is fixed on retainer plate 3044 around delivery wheel, described body is through the conveying of retainer plate 3044 center, and in forced air cooled tube 3043, air themperature is not higher than 5 DEG C.
Mould 20 top of the present invention is round table-like, and bottom is cylindric, and bottom surface, described round table-like top radius is identical with the end face radius of circular columnar bottom, and the aspect ratio of round table-like top and circular columnar bottom is 2:1.Described through hole 201 end is provided with internal thread, and described blast pipe 303 one end is provided with external screw thread, and blast pipe 303 and mould 20 are fixed together by screw thread.
Claims (8)
1. a LED lamp tube, comprise canals of stilling (101), it is characterized in that, described canals of stilling (101) inwall is provided with two projections (102), the axis being parallel of described projection (102) and canals of stilling (101), two adjacent sides of projection (102) are curved.
2. LED lamp tube according to claim 1, is characterized in that, the height of described projection (102) and the ratio of canals of stilling (101) inwall radius are 1:2-7.
3. the LED lamp tube manufacture craft described in claim 1 or 2, is characterized in that, comprise the following steps:
(1) glass melts melting: dropped into by raw material in glass furnace (301), high temperature melting is smelt glass melts;
(2) glass melts stirs: imported in revolving sleeve (302) by the glass melts of glass furnace (301) interior melting, stir;
(3) hollow molding: establish blast pipe (303) in revolving sleeve (302), described blast pipe (303) connecting mold (20), glass melts also cools gradually from the casting of mould (20) top, bar is blown in blast pipe (303) interior air blast, formed hollow, inwall has the body of two projections (102);
Described mould (20) comprises bottom mesa-shaped top and column, mould (20) is provided with longitudinal hole (201) and two longitudinal openings (202) of through mould (20), and described through hole (201) is positioned at mould (20) center position; Described opening (202) cross section is " C " font, and two opening (202) axial symmetry are arranged;
(4) pipe forming: body is delivered to pipe installation (305), body is cut into the canals of stilling (101) of certain length by described pipe installation (305); In course of conveying, stress relief treatment is carried out to body.
4. LED lamp tube manufacture craft according to claim 3, is characterized in that, step (4) middle tube body by fluorescent tube conveying device (306) conveying, and is closed, negative pressure transportation.
5. LED lamp tube manufacture craft according to claim 3, is characterized in that, stress elimination described in step (4) is realized by stress eliminating device (304).
6. LED lamp tube manufacture craft according to claim 5, it is characterized in that, described stress eliminating device (304) comprises air compressor (3041), ajutage (3045), water cooling box (3042), forced air cooled tube (3043) and retainer plate (3044), and forced air cooled tube (3043) is fixed around retainer plate (3044).
7. LED lamp tube manufacture craft according to claim 6, is characterized in that, described body is through the conveying of retainer plate (3044) center position.
8. LED lamp tube manufacture craft according to claim 3, is characterized in that, described mould (20) top is round table-like, and bottom is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010317.4A CN105546382B (en) | 2015-12-29 | 2015-12-29 | A kind of LED lamp tube and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010317.4A CN105546382B (en) | 2015-12-29 | 2015-12-29 | A kind of LED lamp tube and its manufacture craft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546382A true CN105546382A (en) | 2016-05-04 |
| CN105546382B CN105546382B (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511010317.4A Active CN105546382B (en) | 2015-12-29 | 2015-12-29 | A kind of LED lamp tube and its manufacture craft |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682602A (en) * | 2018-06-07 | 2018-10-19 | 山东广达源照明电器有限公司 | For the positioning device in fluorescent tube process |
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| CN102249517A (en) * | 2011-05-31 | 2011-11-23 | 周玉春 | Method for producing one-piece compressed hard glass fish collecting lamp bulb shell |
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| CN204100127U (en) * | 2014-10-20 | 2015-01-14 | 山东欣乐玻璃制品有限公司 | A kind of glass lamp of LED |
| CN204127733U (en) * | 2014-10-20 | 2015-01-28 | 山东欣乐玻璃制品有限公司 | A kind of LED glass lamp with arc fixture |
| US20150085480A1 (en) * | 2013-09-26 | 2015-03-26 | Dongguan City Saigang Decoration Material Co., Ltd | Tube-in-tube led tube |
| CN104692654A (en) * | 2015-02-12 | 2015-06-10 | 九江世明玻璃有限公司 | Technology for manufacturing glass lamp tube |
| CN205299147U (en) * | 2015-12-29 | 2016-06-08 | 山东广达源照明电器有限公司 | LED (Light emitting diode) lamp tube |
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2015
- 2015-12-29 CN CN201511010317.4A patent/CN105546382B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101300377A (en) * | 2005-11-02 | 2008-11-05 | 电气化学工业株式会社 | Fiber with modified cross section and fiber for artificial hair formed of the same |
| CN102249517A (en) * | 2011-05-31 | 2011-11-23 | 周玉春 | Method for producing one-piece compressed hard glass fish collecting lamp bulb shell |
| US20150085480A1 (en) * | 2013-09-26 | 2015-03-26 | Dongguan City Saigang Decoration Material Co., Ltd | Tube-in-tube led tube |
| CN204076457U (en) * | 2014-09-24 | 2015-01-07 | 遵义市恒新化工有限公司 | A kind of bucking ladder structure refractory mould |
| CN204100127U (en) * | 2014-10-20 | 2015-01-14 | 山东欣乐玻璃制品有限公司 | A kind of glass lamp of LED |
| CN204127733U (en) * | 2014-10-20 | 2015-01-28 | 山东欣乐玻璃制品有限公司 | A kind of LED glass lamp with arc fixture |
| CN104692654A (en) * | 2015-02-12 | 2015-06-10 | 九江世明玻璃有限公司 | Technology for manufacturing glass lamp tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682602A (en) * | 2018-06-07 | 2018-10-19 | 山东广达源照明电器有限公司 | For the positioning device in fluorescent tube process |
| CN108682602B (en) * | 2018-06-07 | 2024-05-03 | 山东广达源照明电器有限公司 | Positioning device for lamp tube processing |
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| Publication number | Publication date |
|---|---|
| CN105546382B (en) | 2019-07-26 |
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