CN112577019A - Diffusion strip-shaped lampshade, strip-shaped lamp and lampshade manufacturing method - Google Patents
Diffusion strip-shaped lampshade, strip-shaped lamp and lampshade manufacturing method Download PDFInfo
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- CN112577019A CN112577019A CN202110000376.2A CN202110000376A CN112577019A CN 112577019 A CN112577019 A CN 112577019A CN 202110000376 A CN202110000376 A CN 202110000376A CN 112577019 A CN112577019 A CN 112577019A
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 94
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000012788 optical film Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 241001465382 Physalis alkekengi Species 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
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Classifications
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- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
-
- 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
- F21V5/00—Refractors for light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/747—Lightning equipment
- B29L2031/7472—Lampshades
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a diffusion strip-shaped lampshade, which comprises a transparent lampshade body, wherein the transparent lampshade body comprises a length direction, a width direction and a height direction, a light diffusion layer is arranged on the inner surface or the outer surface of the lampshade body, and the light diffusion layer stretches a point light source arranged in the diffusion strip-shaped lampshade along the length direction; the invention also discloses a bar-shaped lamp with the diffusion bar-shaped lampshade and a manufacturing method of the diffusion bar-shaped lampshade; the arc-shaped lampshade is processed by cold bending and hot forming, the line light source effect of strong light-gathering light-scanning light is realized by the light diffusion layer with the optical microstructure, the light-scanning function can be set by arranging the strip-shaped lens, the diffusion strip-shaped lampshade is integrated integrally, no coating film is formed, no additional optical film is arranged, the number of point light source particles is not increased, the size of the lamp is not increased intentionally, the line light source can be realized by a small-size lamp, and the cost is low.
Description
Technical Field
The invention relates to the technical field of illumination, in particular to a diffusion strip-shaped lampshade, a strip-shaped lamp and a lampshade manufacturing method.
Background
Under the background of energy conservation and environmental protection, the LED lamp is increasingly applied to the fields of household and commercial illumination because of high light emitting efficiency and good light condensing performance.
The LED lamps and lanterns roughly can be divided into down lamp and bar lamp according to the shape, because the light source of LED bar lamp is the LED chip, a plurality of LED chips are along length direction interval distribution and are obtained the line source, but along with the upgrading of consumption, the experience of consumer to the shopping is also higher and higher, and the graininess of dazzling LED light source is more and more not accepted by the customer.
Disclosure of Invention
In view of the above, the present invention provides a diffusion strip-shaped lamp cover, a strip-shaped lamp and a lamp cover manufacturing method to solve the above technical problems.
The utility model provides a diffusion bar lamp shade, includes transparent lamp shade body, includes length direction, width direction and direction of height, the internal surface or the surface of lamp shade body are equipped with the light diffusion layer, and this light diffusion layer is to arranging point light source in the diffusion bar lamp shade is tensile along length direction.
Preferably, the light diffusion layer is stretched at an angle of 40 ° to 80 ° in the longitudinal direction to a point light source disposed in the diffusion strip-shaped lamp cover, and the stretching angle in the width direction is smaller than the stretching angle in the longitudinal direction.
Preferably, the light diffusion layer stretches over an angle of less than 30 ° in the width direction for the point light sources arranged in the diffusion strip-shaped lamp cover.
Preferably, the cover body is arched outward in the height direction.
Preferably, the lampshade body is turned outwards at two sides in the width direction to form clamping edges.
The utility model provides a bar lamp, includes the bar lighting fixture, be equipped with bar circuit board, bar lens and diffusion bar lamp shade from inside to outside in proper order on the bar lighting fixture, be equipped with the pointolite along length direction interval distribution on the bar circuit board.
Preferably, the strip-shaped lens distributes light to the point light sources in the width direction, and the light distribution effect of the strip-shaped lens is consistent in a plane perpendicular to the length direction.
A manufacturing method of a diffusion strip-shaped lampshade comprises the following steps:
001. cutting the diffusion plate to obtain a sub-plate with required length and width, wherein a light diffusion layer is arranged on one side of the diffusion plate, the light diffusion layer has different diffusion effects in two mutually perpendicular directions, the diffusion direction with a smaller angle is defined as the width direction, and the diffusion direction with a larger angle is defined as the length direction;
002. placing the sub-board into a lower die of a die, wherein the side with the light diffusion layer is arranged downwards;
003. placing a protective plate with the size larger than that of the sub-plate on the sub-plate;
004. heating the sub-sheets and the protective sheet;
005. the upper die and the lower die are buckled to deform the protective plate of the sub-plate, and the protective plate is attached to the die and completely closed and sealed by the upper die and the lower die.
006. And the upper die is provided with a vacuumizing air pipe to carry out air compression on the die, and demoulding is carried out after the air compression is finished to obtain the diffusion strip-shaped lampshade.
Preferably, in step 006, the positive pressure is set to be 3.8 to 4.2Bar and the negative pressure is set to be 0.7 to 0.8 Bar.
Preferably, in step 004, the heating surface of the heater is set at a temperature of 130-60 ℃, and the heating surface of the heater is heated by attaching a protection plate.
Preferably, in step 001, a high temperature resistant film is coated on the surface of the diffusion plate or the sub-plate provided with the light diffusion layer.
The invention has the technical effects that:
the diffusion strip-shaped lampshade and the manufacturing method thereof are processed into the arc-shaped lampshade through cold bending and heat setting, and the light diffusion layer with the optical microstructure realizes the line light source effect of strong light condensation and light scanning. The light that sends point light source points such as LED chip is when passing through optical microstructure, elongated 40 ~ 80 in length direction, width direction is less than 30, make light between original point and the point stretch into the line source light of interconnect, and can also set up the function of sweeping the light through setting up bar lens, diffusion bar lamp shade integration, no tectorial membrane, no plus optical film, need not increase pointolite granule number, need not increase lamps and lanterns volume by accident, little volume lamps and lanterns also can realize the line source, therefore, the carrier wave prepaid electric energy meter is low in cost, light is soft and specifically sweeps light performance.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the diffusion stripe-shaped lampshade of the embodiment.
Fig. 2 is a schematic cross-sectional view of the bar-shaped lamp of the present embodiment.
Fig. 3 is a wire frame flowchart of a method (apparatus) for manufacturing the diffusion stripe-shaped lamp cover of the present invention.
Fig. 4 is a wire frame flow chart of a method (text) for manufacturing the diffusion stripe-shaped lamp cover of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the diffusion strip type lamp cover 1000 of the present embodiment includes a transparent lamp cover body 100 including a length direction 101, a width direction 102, and a height direction 103, and an inner surface or an outer surface of the lamp cover body 100 is provided with a light diffusion layer 200, and in the present embodiment, the light diffusion layer 200 is provided on the inner surface, and stretches a point light source arranged in the diffusion strip type lamp cover 1000 in the length direction 101.
The diffusion stripe shaped lamp housing 1000 may be manufactured by cold-bending a diffusion sheet material 6000, which may be a sheet material manufactured by nan chang lang technologies ltd with models TD151U2, TD301U2, TD601U2, TD4010U2, and TD6010U2, with a light diffusion layer 200. This type of diffuser plate 6000 differs in the stretching angle in two mutual directions, TD151U2 at 15 ° 1 °, TD301U2 at 30 ° 1 °, TD601U2 at 60 ° 1 °, TD4010U2 at 40 ° 10 °, and TD6010U2 at 60 ° 10 °. The degree of the invention is consistent with the standard of the model. Further, the light diffusion layer 200 stretches the point light sources arranged in the diffusion strip-shaped lamp cover 1000 at an angle of 40 ° to 80 ° in the longitudinal direction 101, and the stretching angle in the width direction 102 is smaller than the stretching angle in the longitudinal direction 101.
The light control in the width direction can be performed by the stripe lens, and therefore, it is not preferable to perform diffusion at a too large angle, and further, the light diffusion layer 200 stretches the point light source arranged in the diffusion stripe lamp cover 1000 by an angle of less than 30 ° in the width direction 102, and further, by not more than 10 °.
In order to accommodate other strip lenses, in the present embodiment, the lampshade body 100 is arched outwards along the height direction 103.
For convenience of manufacturing and demolding, further, the lampshade body 100 is turned outwards on two sides in the width direction 102 to form clamping edges 104.
The bar lamp of this embodiment, including bar lighting fixture 2000, bar lighting fixture 2000 is last from inside to outside to be equipped with bar circuit board 3000 in proper order, bar lens 4000 and diffusion bar lamp shade 1000, be equipped with on the bar circuit board 3000 along length direction interval distribution's pointolite 5000.
The dimming in the width direction can be performed through a strip lens for light distribution, in this embodiment, the strip lens 4000 performs light distribution on the point light source 5000 in the width direction, and in a plane perpendicular to the length direction, the light distribution effect of the strip lens 4000 is consistent. The sectional shape of the strip lens 4000 in this embodiment is merely an example, and other light distribution shapes may be used.
The manufacturing method of the diffusion strip-shaped lampshade comprises the following steps:
001. cutting a diffusion plate 6000 to obtain a sub-plate material 6001 with a required length and width, wherein a light diffusion layer 200 is arranged on one side of the diffusion plate 6000, the light diffusion layer 200 has different diffusion effects in two mutually perpendicular directions, the diffusion direction with a smaller angle is defined as a width direction 102, and the diffusion direction with a larger angle is defined as a length direction 101; one surface of the diffusion plate 6000 or the sub-plate 6001 on which the light diffusion layer 200 is provided is covered with a high temperature resistant film for protecting the light diffusion layer 200. The diffusion sheet material 6000 may be a sheet material manufactured by Nanchang Langmi technologies, TD151U2, TD301U2, TD601U2, TD4010U2, and TD6010U2, with the light diffusion layer 200.
002. The sub-plate material 6001 is placed in the lower mold 8001 of the mold 8000 with the surface having the light diffusion layer 200 facing downward;
003. a protection plate 7000 with the size larger than that of the sub-plate 6001 is placed on the sub-plate 6001; the protection plate 7000 is a PC sheet, and the width and the length of the protection plate 7000 should be 20-30 mm longer than those of the sub-plate 6001.
004. Heating the sub-sheet 6001 and the protection sheet 7000; the heating surface of the heater 9000 is set to 130 to 60 degrees centigrade, and the protection plate 7000 is attached to the heating surface of the heater 9000 to heat it. The heater 9000 may employ infrared heating.
005. Upper die 8002 and lower die 8001 are fastened to deform protection plate 7000 of sub-plate 6001, and fit to die 8000, and upper die 8002 and lower die 8001 are completely closed and sealed. In-process, go up mould 8002 and slowly push down, make protection plate 7000 produce the deformation, laminate with mould 8000, go up mould 8002 and lower mould 8001 and close totally and seal, with heat conduction to subplate 6001 simultaneously, make subplate 6001 soften.
006. The upper die 8002 is provided with a vacuumizing air pipe 8003 to perform air pressing on the die 8000, and demolding is performed after the air pressing is completed, so that the diffusion strip-shaped lampshade 1000 is obtained. The air pressing is set to have positive pressure of 3.8-4.2 Bar and negative pressure of 0.7-0.8 Bar. The air pressing and vacuumizing time is kept for 5-10S, the pressurizing time is kept for 10-20S, and the time for reaching the set pressure is not too long and is about 3-10S. In fig. 3, steps 002 to 006 are cross-sections perpendicular to length 101.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (11)
1. A diffusion strip-shaped lampshade (1000) comprises a transparent lampshade body (100) and is characterized in that the inner surface or the outer surface of the lampshade body (100) is provided with a light diffusion layer (200), and the light diffusion layer (200) stretches point light sources arranged in the diffusion strip-shaped lampshade (1000) along the length direction (101).
2. The diffusion strip light cover (1000) of claim 1, wherein the light diffusion layer (200) has a stretching angle of 40 ° to 80 ° in a length direction (101) for a point light source arranged in the diffusion strip light cover (1000), the stretching angle being smaller in a width direction (102) than in the length direction (101).
3. The diffusion strip light cover (1000) of claim 2, wherein the light diffusion layer (200) stretches an angle of less than 30 ° in a width direction (102) for a point light source arranged within the diffusion strip light cover (1000).
4. The diffusion strip lampshade (1000) of any of claims 1 to 3, characterized in that the lampshade body (100) is arched outwards in the height direction (103).
5. The diffusion strip shaped lamp cover (1000) according to any one of claims 1 to 3, wherein the lamp cover body (100) is turned over at both sides in the width direction (102) to form beads (104).
6. A bar lamp, includes bar lighting fixture (2000), be equipped with bar circuit board (3000) from inside to outside in proper order on bar lighting fixture (2000), bar lens (4000) and according to diffusion bar lamp shade (1000) of claim 1 ~ 5, be equipped with on bar circuit board (3000) along length direction interval distribution's pointolite (5000).
7. Strip lamp holder (2000) according to claim 6, wherein said strip lens (4000) distributes light to said point light source (5000) in the width direction, and the light distribution effect of said strip lens (4000) is uniform in the plane perpendicular to the length direction.
8. A manufacturing method of a diffusion strip-shaped lampshade is characterized by comprising the following steps:
001. cutting the diffusion plate (6000) to obtain a sub-plate (6001) with required length and width, wherein a light diffusion layer (200) is arranged on one side of the diffusion plate (6000), the light diffusion layer (200) has different diffusion effects in two mutually perpendicular directions, the diffusion direction with a smaller angle is defined as a width direction (102), and the diffusion direction with a larger angle is defined as a length direction (101);
002. placing the sub-plate (6001) into a lower die (8001) of a die (8000) with a surface having the light diffusion layer (200) facing downward;
003. a protection plate (7000) with the size larger than that of the sub-plate (6001) is placed on the sub-plate (6001);
004. heating the sub-sheet (6001) and protective sheet (7000);
005. the upper die (8002) and the lower die (8001) are buckled, so that the protection plate (7000) of the sub-plate (6001) deforms and is attached to the die (8000), and the upper die (8002) and the lower die (8001) are completely closed and sealed.
006. And the upper die (8002) is provided with a vacuumizing air pipe (8003) to perform air pressing on the die (8000), and demolding is performed after the air pressing is completed to obtain the diffusion strip-shaped lampshade (1000).
9. The method of claim 8, wherein in step 006, the air pressure setting is 3.8 to 4.2Bar positive pressure and 0.7 to 0.8Bar negative pressure.
10. The method of manufacturing a diffusion stripe lamp shade as claimed in claim 8, wherein in step 004, the heating surface of the heater (9000) is set to be at a temperature of 130 to 60 degrees celsius, and the heating surface of the heater (9000) is heated by attaching the protection plate (7000).
11. The method of manufacturing a diffusion strip type lamp cover according to claim 8, wherein in the step 001, a high temperature resistant film is coated on one side of the diffusion plate (6000) or the sub-plate (6001) on which the light diffusion layer (200) is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110000376.2A CN112577019A (en) | 2021-01-02 | 2021-01-02 | Diffusion strip-shaped lampshade, strip-shaped lamp and lampshade manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110000376.2A CN112577019A (en) | 2021-01-02 | 2021-01-02 | Diffusion strip-shaped lampshade, strip-shaped lamp and lampshade manufacturing method |
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| CN112577019A true CN112577019A (en) | 2021-03-30 |
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| CN202110000376.2A Pending CN112577019A (en) | 2021-01-02 | 2021-01-02 | Diffusion strip-shaped lampshade, strip-shaped lamp and lampshade manufacturing method |
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| CN113483287A (en) * | 2021-06-30 | 2021-10-08 | 赛尔富电子有限公司 | Anti-dazzle refrigerator lamp |
| CN114135838A (en) * | 2021-07-08 | 2022-03-04 | 赛尔富电子有限公司 | Linear light source lampshade and manufacturing method thereof |
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| CN114135838A (en) * | 2021-07-08 | 2022-03-04 | 赛尔富电子有限公司 | Linear light source lampshade and manufacturing method thereof |
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Application publication date: 20210330 |
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