CN203286314U - Anti-dazzle LED down lamp - Google Patents
Anti-dazzle LED down lamp Download PDFInfo
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- CN203286314U CN203286314U CN2013201996523U CN201320199652U CN203286314U CN 203286314 U CN203286314 U CN 203286314U CN 2013201996523 U CN2013201996523 U CN 2013201996523U CN 201320199652 U CN201320199652 U CN 201320199652U CN 203286314 U CN203286314 U CN 203286314U
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- diffuser
- cup
- radiator
- down lamp
- light
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Abstract
The utility model relates to an anti-dazzle LED down lamp which comprises a radiator, an LED light-emitting plate, a fixed cup, an inner ring light reflection cup, a light transmitting cover and a lamp cup. The light transmitting cover is arranged on a light transmitting cover installation position of an inner hole of the lamp cup, the lowest point of the light transmitting cover is higher than the lowest end of an outer ring light reflection cup, the fixed cup is arranged on the upper side of the light transmitting cover, and the bottom end of the fixed cup is in contact with the upper end of the light transmitting cover in a pasting mode. The inner ring light reflection cup is arranged on the inner side of the fixed cup, the upper end of the inner ring light reflection cup is lower than the upper end of the fixed cup, and the bottom end of the inner ring light reflection cup is fit with the inner side of the fixed cup. The radiator is installed at the upper end of the fixed cup, and the LED light-emitting plate is arranged at the bottom end of the radiator. By means of the technical scheme, when light transmitted by the LED light-emitting plate is transmitted out from the light transmitting cover, the lowest point of the light transmitting cover is higher than the lowest end of the outer ring light reflection cup, therefore, a part of light transmitted to the surrounding place is blocked by the outer ring light reflection cup, the light illuminating area is controlled, the dazzle is reduced, and the anti-dazzle LED down lamp has the advantages of being simple in structure, attractive in appearance, obvious in anti-dazzle effect and the like.
Description
Technical field
The invention belongs to the LED lighting technical field, be specifically related to a kind of LED Down lamp with more excellent anti-dazzle effect.
Background technology
The contrast of LED Down lamp and traditional Down lamp has the following advantages: energy-conservation, low-carbon (LC), longevity, colour rendering are good, fast response time, the design of LED Down lamp is more attractive in appearance light and handy, can reach the integral body that keeps building decoration during installation unified and perfect, do not destroy the setting of light fixture, it is inner that light source is hidden building decoration, people's good visual effect.But, because the characteristics of LED light source are directional lightings,, so it is comparatively concentrated to be used in the light that sends on the LED Down lamp, can cause uneven illumination in range of exposures all to produce dazzling dazzle.
A kind of LED Down lamp (application number: the lampshade that 2010206335378.6) proposes to use hemispherical or semielliptical shape with inner lampshade of Chinese patent, lampshade adopts the high transparent abrasive material of PMMA of light transmittance, the light that the LED light source assembly is sent soft and be evenly distributed ground transmission go out, reduce simultaneously dazzle.Lamp cup is the bent bus revolving body by the cup-shaped of a thin-shell type, can make light that lampshade the transmits rising angle directive irradiation area according to expectation, and the Lamp cup inner surface through machine glazed finish to mirror effect, effectively reduced the loss of luminous flux.The form defect of this structure is, its complex structure can't well be controlled rising angle, and the Lamp cup inner surface is through machine glazed finish to mirror effect, although can effectively reduce the loss of light energy, the light that reflects still can produce dazzling dazzle.
Therefore be necessary to invent a kind of novel LED Down lamp to address the above problem.
The utility model content
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and have the anti-dazzle function, and LED Down lamp simple in structure.
In order to achieve the above object, the present invention by the following technical solutions: a kind of anti-glare LED down lamp comprises radiator, LED luminous plaque, fixed cup, interior ring reflector, diffuser and Lamp cup; Described interior ring reflector is the truncated cone-shaped hollow structure, and its inboard is reflective surface; Described diffuser is the housing of curved surface, and the center of its outer N-Side surf is the minimum point of diffuser; The endoporus bottom of described Lamp cup is provided with the outer shroud reflector, and it is shaped as the arc-shaped curved surface of downward expansion, and the top of its endoporus is provided with the diffuser installation position;
Described diffuser is arranged on the diffuser installation position of Lamp cup endoporus, and the diffuser minimum point higher than the outer shroud reflector bottom; Fixed cup is arranged on the diffuser upside, and its bottom and diffuser upper end are pasted and touched; Interior ring reflector is arranged on the inboard of fixed cup, and its upper end is lower than the upper end of fixed cup, and its bottom and fixed cup inboard adapt; Radiator is arranged on the upper end of fixed cup, and the LED luminous plaque is arranged on the bottom of radiator.
By adopting this programme, when the light that sends when the LED luminous plaque penetrates from diffuser, due to the diffuser minimum point higher than the outer shroud reflector bottom, the outer shroud reflector has stopped that a part penetrates peripherad light, controlled the zone of light irradiation, reduce dazzle, had the advantages such as simple in structure, good looking appearance, antiglare effect be obvious.
Preferably, the minimum point of described diffuser and outer shroud reflector line and horizontal angle angle bottom is θ, 20 degree≤θ 〉=30 degree,
This improvement project is by controlling the shooting angle of light, and the light of different angles direction arranges in pairs or groups to realize reducing the effect of dazzle.At first, by controlling the angle of described angle theta, can accurately control the range of exposures of LED Down lamp, when angle theta is 25 while spending, antiglare effect is best.The light that penetrates from diffuser can be penetrated after Multi reflection by the part light that interior ring reflector blocks again in interior ring reflector, this part light becomes soft after Multi reflection, reduced dazzle.
Next is that the angle of observing is considered, establish light fixture and shine vertically downward, human eye average height overhead is 1.5m, light fixture arranges height 3m left and right, this moment is by can be calculated the general OK range of θ, i.e. so-called anti-dazzle angle of cut-off, the service condition that gears to actual circumstances very much.
Preferably, described diffuser is the housing of sphere curved surface, and it is highly 1/3～1/2 of described sphere curved surface radius.
When the light that sends when the LED luminous plaque arrives diffuser, to all directions diffusion of sphere curved surface, penetrate, reduce diffuser and penetrate the brightness on surface, make light become soft, luminous evenly, have the effect of anti-dazzle.
Preferably, the top of described Lamp cup is cylindrical tube, has passage on its side, and the bottom of cylindrical shell is located in described diffuser installation position.
Air forms convection current by passage and radiator, accelerates flowing of internal gas, has improved radiating efficiency, has also extended the life-span of interior ring reflector and LED luminous plaque simultaneously.
Preferably, process through frosted on the surface of described outer shroud reflector, can the production diffuse reflection when LED light shines, and make light become soft, reduce simultaneously dazzle.
Preferably, described radiator is provided with radiator cover, and the side of radiator cover and upper surface all have louvre, and the bottom of radiator cover and Lamp cup top are threaded connection.
Under duty; gas louvre from the side flows to the louvre of upper surface; accelerated the circulation of gas; improved radiating efficiency; radiator cover plays protective effect simultaneously; prevent that people from directly contacting radiator, the static of human body, to LED luminous plaque injury, prevents that under abnormal conditions, the careless contact of people causes scald or gets an electric shock by radiator simultaneously.Structural design of the present invention is closed compactness, and radiator, LED luminous plaque, fixed cover, interior ring reflector one are fixed in the space that heat dissipating housing and Lamp cup limit.
Preferably, the openend of described diffuser is provided with planar annular, and the outside of described planar annular is greater than the diameter of diffuser openend, and described diffuser installation position is the screens plane of annular, and the planar annular of described diffuser matches with the screens plane.
Under duty, because diffuser is installed downwards from top, planar annular coordinates with the screens plane, and described screens plane has stopped the light that appears from the edge of diffuser and Lamp cup, so just effectively eliminated dark space on every side, diffuser edge, made the LED Down lamp more attractive in appearance.
Preferably, described LED luminous plaque is located at the center of diffuser sphere curved surface, and namely spherical sphere center position, arrive diffuser light intensity everywhere identical like this, is equal to the radius of ball, and is therefore more even from the light of diffuser outer surface ejaculation.Perhaps, the distance of LED luminous plaque and diffuser minimum point, greater than this spherical radius, has luminous uniform effect equally.
Preferably, described fixed cup is the truncated cone-shaped structure of hollow, the bottom laminating of its upper end and radiator, and the lower end of fixed cup is inboard to adapt with interior ring reflector lower end.
The effect of fixed cup is, the one, fixing in the position of ring reflector, it is not departed from; The 2nd, compress diffuser, prevent that it is loosening; The 3rd, support radiator, avoid it directly to be pressed onto on interior ring reflector, simplified in traditional LED Down lamp and be structure fixing and the support fansink designs.
Preferably, described radiator is integrally formed, and it is shaped as, and sheet shape is radial, column or cellular.
Increased like this area of dissipation, improved radiating efficiency, simultaneously integrated design allows the more compact structure of radiator.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of a kind of anti-glare LED down lamp of the present invention;
Fig. 2 is the radiator cover structural representation of a kind of anti-glare LED down lamp of the present invention;
Fig. 3 is the heat spreader structures schematic diagram of a kind of anti-glare LED down lamp of the present invention;
Fig. 4 is the diffuser structural representation of a kind of anti-glare LED down lamp of the present invention;
Fig. 5 is the structural representation of the outer shroud reflexed light ring of a kind of anti-glare LED down lamp of the present invention.
Fig. 6 is the cross-sectional view of the outer shroud reflexed light ring of a kind of anti-glare LED down lamp of the present invention;
Fig. 7 is the enlarged drawing at Z place in Fig. 6.
The specific embodiment
Technical scheme below in conjunction with a kind of anti-glare LED down lamp of description of drawings the present invention.
Referring to Fig. 1, a kind of anti-glare LED down lamp of the present invention, comprise radiator 2, LED luminous plaque 3, fixed cup 7, interior ring reflector 5, diffuser 6 and Lamp cup 8.
Described interior ring reflector 5 is the truncated cone-shaped hollow structure, and its sidewall thickness is consistent, and its inboard is reflective surface.
Referring to Fig. 4, described diffuser 6 is the housing of curved surface, and the center of its outer N-Side surf is the minimum point of diffuser 6.
Referring to Fig. 6 and Fig. 7, the endoporus bottom of described Lamp cup 8 is provided with outer shroud reflector 84, and it is shaped as the arc-shaped curved surface of downward expansion, and the top of its endoporus is provided with diffuser installation position 85; The openend of described diffuser 6 is installed on the diffuser installation position 85 of Lamp cup 8 endoporus, and diffuser 6 minimum points higher than outer shroud reflector 84 bottom.
Referring to Fig. 1, fixed cup 7 is arranged on diffuser 6 upsides, and its bottom and diffuser 6 upper ends are pasted and touched; Interior ring reflector 5 is arranged on the inboard of fixed cup 7, and its upper end, lower than the upper end of fixed cup 7, has prevented that like this radiator 2 from damaging interior ring reflector 5 by pressure, and fixed cup 7 bottoms and fixed cup 7 inboards adapt; The upper end that is arranged on fixed cup 7 that radiator 2 is close to, LED luminous plaque 3 is located at the bottom of radiator 2.
by adopting this programme, when the light that sends when LED luminous plaque 3 penetrates from diffuser 6, due to diffuser 6 minimum points higher than outer shroud reflector 84 bottom, outer shroud reflector 84 has stopped that a part penetrates peripherad light, controlled the zone of light irradiation, reduced dazzle, have simple in structure, good looking appearance, the advantages such as antiglare effect is obvious, and each part of LED Down lamp of the present invention and the matching relationship between them, according to designing and configure after actual conditions optimization, compare traditional LED Down lamp, more compact structure of the present invention, radiating effect is more outstanding.
Referring to Fig. 6, the minimum point of diffuser 6 and outer shroud reflector 84 line and horizontal angle bottom is θ, 20 degree≤θ≤30 degree, by controlling the angle of described angle theta, can accurately control the range of exposures of LED Down lamp, when angle is 25 while spending, antiglare effect is best.
In the present embodiment, by controlling the shooting angle of light, and the light of different angles direction arranges in pairs or groups to realize reducing the effect of dazzle.At first, by controlling the angle of described angle theta, can accurately control the range of exposures of LED Down lamp, when angle theta is 25 while spending, antiglare effect is best.The light that penetrates from diffuser 6 can be penetrated by the part light that interior ring reflector blocks again after the interior Multi reflection of interior ring reflector 5, this part light becomes soft after Multi reflection, reduced dazzle.
Next is that the angle of observing is considered, establish light fixture and shine vertically downward, human eye average height overhead is 1.5m, light fixture arranges height 3m left and right, this moment is by can be calculated the general OK range of θ, i.e. so-called anti-dazzle angle of cut-off, the service condition that gears to actual circumstances very much.
Referring to Fig. 4, diffuser 6 is the housing of sphere curved surface, and it is highly 1/3 of sphere curved surface radius, and the height of diffuser 6 can be made as 1/3～1/2 of described sphere curved surface radius in some other embodiment certainly.When the light that sends when LED luminous plaque 3 arrived diffuser 6, light penetrated to all directions diffusion of sphere curved surface, reduced diffuser 6 and penetrated the brightness on surface, made light become soft, luminous evenly, have the effect of anti-dazzle.
Referring to Fig. 5, Fig. 6 and Fig. 7, the top of Lamp cup 8 is cylindrical tube, has passage 81 on its side, and the bottom of cylindrical shell is located in diffuser installation position 85.Lamp cup 8 lower outsides, namely the outside corresponding with outer shroud reflector 84, be the arc-shaped curved surface that enlarges downwards, its sidewall thickness is consistent.Air forms convection current by passage and radiator 2, accelerates like this flowing of internal gas, has improved radiating efficiency, has also extended the life-span of interior ring reflector 5 simultaneously.
Process through frosted on the surface of described outer shroud reflector 84, can the production diffuse reflection when LED light shines, and make light become soft, reduce simultaneously dazzle.
Referring to Fig. 1 and Fig. 2, described radiator 2 is provided with radiator cover 1, and the side of radiator cover 1 and upper surface all have louvre 11, and the bottom of radiator cover 1 and Lamp cup 8 tops are threaded connection.In working order; gas louvre from the side flows to the louvre of upper surface; accelerated the circulation of gas; improved radiating efficiency; radiator cover 1 plays protective effect simultaneously; prevent that people from directly contacting radiator 2, the static of human body is by 2 pairs of LED luminous plaque injuries of radiator, prevents simultaneously under abnormal conditions that people contact because of carelessness radiator 2 and cause and scald or get an electric shock.The middle part, upper surface of radiator cover 1 is provided with through hole, and wire passes through hole and is connected with LED luminous plaque 3, in heat dissipating housing 1 upper end, also is provided with installing hole 12, and radiator cover 1 is fixed by screws in the upper end of radiator 2.Structural design of the present invention is closed compactness, makes radiator 2, LED luminous plaque 3, fixed cup 7, interior ring reflector 5 one be fixed in the space that heat dissipating housing 1 and Lamp cup 8 limit
referring to Fig. 4, Fig. 6 and Fig. 7, the openend of diffuser 6 is provided with planar annular 61, the outside of described planar annular 61 is greater than the diameter of diffuser 6 openends, diffuser 6 installation positions 85 are the screens plane of annular, the planar annular 61 of described diffuser 6 matches with screens plane 85, in working order, because diffuser 6 is installed downwards from top, planar annular 61 coordinates with the screens plane, described screens plane 85 has stopped the light that appears from the edge of diffuser 6 and Lamp cup 8, so just effectively eliminated diffuser 6 dark space on every side, make the LED Down lamp more attractive in appearance.
Described LED luminous plaque 3 bottom surfaces are in the center of diffuser 6 sphere curved surfaces, and namely spherical sphere center position, arrive diffuser 6 light intensity everywhere identical like this, is equal to the radius of ball, and are therefore more even from the light of diffuser 6 outer surfaces ejaculations.
Referring to Fig. 1, fixed cup 7 is the truncated cone-shaped structure of hollow, the bottom laminating of its upper end and radiator 2, and the lower end of fixed cup 7 is inboard to adapt with interior ring reflector 5 lower ends.The effect of fixed cup 7 is, the one, fixing in the position of ring reflector 5, it is not departed from; The 2nd, compress diffuser 6, prevent that it is loosening; The 3rd, support radiator 2, avoid it directly to be pressed onto on interior ring reflector 5, simplified in traditional LED Down lamp and be structures fixing and 2 designs of support radiator.
Referring to Fig. 3, described radiator 2 is integrally formed, and it is radial that it is shaped as sheet shape, increased like this area of dissipation, improved radiating efficiency, simultaneously integrated meter allows the more compact structure of radiator 2, certainly radiator 2 also can be set to column or cellular, can reach above-mentioned effect equally.On radiator 2, bottom and upper end all have threaded mounting hole 21, and LED luminous plaque 3 is fixed on threaded mounting hole 21 by screw 4, and the lower end that is arranged on radiator 2 that the upper end of LED luminous plaque 3 is close to like this, be conducive to the heat radiation of LED luminous plaque.
Referring to Fig. 1 and Fig. 5, both sides at Lamp cup 8 also are provided with boss, boss is provided with installing hole 82, spring card 10 and spring clip 13 are installed on installing hole 82, spring card 10 and spring clip 13 are fastened on installing hole 82 by screw 9, and spring clip 13 works the effect of being fixedly clamped when the LED Down lamp is installed, and the lower end of Lamp cup 8 is provided with margin of optic cup 83, described margin of optic cup 83 is the Lamp cup 8 outward extending loop configuration in the outside, lower end, and margin of optic cup 83 plays the screens effect when the LED Down lamp is installed.
Referring to Fig. 6 and Fig. 7, according to technical scheme provided by the invention, by accurate control irradiation area, the anti-dazzle effect is remarkable, by selecting spherical diffuser 6 light to penetrate to all directions diffusion of sphere curved surface, reduce diffuser 6 and penetrate the brightness on surface, make light become soft, luminous even, have the effect of anti-dazzle.Coordinate and eliminated dark space with screens plane 85 on Lamp cup 8 by the planar annular 61 on diffuser 6, make the LED Down lamp more attractive in appearance, process through frosteds on outer shroud reflective 84 its surfaces, makes reflection ray become soft, reduces simultaneously dazzle.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the utility model is not limited to the specific embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection domain of claim of the present utility model.In addition, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. an anti-glare LED down lamp, is characterized in that, comprises radiator, LED luminous plaque, fixed cup, interior ring reflector, diffuser and Lamp cup; The truncated cone-shaped structure that described interior ring reflector is hollow, its inboard is reflective surface; Described diffuser is the housing of curved surface, and the center of its outer N-Side surf is the minimum point of diffuser; The endoporus bottom of described Lamp cup is provided with the outer shroud reflector, and it is shaped as the arc-shaped curved surface of downward expansion, and the top of its endoporus is provided with the diffuser installation position;
Described diffuser is arranged on the diffuser installation position of Lamp cup endoporus, and the diffuser minimum point higher than the outer shroud reflector bottom; Fixed cup is arranged on the diffuser upside, and its bottom and diffuser upper end are pasted and touched; Interior ring reflector is arranged on the inboard of fixed cup, and its upper end is lower than the upper end of fixed cup, and its bottom and fixed cup inboard adapt; Radiator is arranged on the upper end of fixed cup, and the LED luminous plaque is arranged on the bottom of radiator.
2. anti-glare LED down lamp according to claim 1, is characterized in that, the minimum point of described diffuser and outer shroud reflector line and horizontal angle bottom is θ, 20 degree≤θ≤30 degree.
3. anti-glare LED down lamp according to claim 1 and 2, is characterized in that, described diffuser is the housing of sphere curved surface, and it is highly 1/3～1/2 of described sphere curved surface radius.
4. anti-glare LED down lamp according to claim 1, is characterized in that, the top of described Lamp cup is cylindrical tube, has passage on its side, and the bottom of cylindrical shell is located in described diffuser installation position.
5. anti-glare LED down lamp according to claim 1, is characterized in that, process through frosted on the surface of described outer shroud reflector.
6. anti-glare LED down lamp according to claim 1, is characterized in that, described radiator is provided with radiator cover, and the side of radiator cover and upper surface all have louvre, and the bottom of radiator cover and Lamp cup top are threaded connection.
7. anti-glare LED down lamp according to claim 4, it is characterized in that, the openend of described diffuser is provided with planar annular, the outside of described planar annular is greater than the diameter of diffuser openend, described diffuser installation position is the screens plane of annular, and the planar annular of described diffuser matches with the screens plane.
8. anti-glare LED down lamp according to claim 3, is characterized in that, described LED luminous plaque is located at the center of diffuser sphere curved surface.
9. anti-glare LED down lamp according to claim 1, is characterized in that, described fixed cup is the truncated cone-shaped structure of hollow, the bottom laminating of its upper end and radiator, and the lower end of fixed cup is inboard to adapt with interior ring reflector lower end.
10. anti-glare LED down lamp according to claim 1, is characterized in that, described radiator is integrally formed, and it is shaped as, and sheet shape is radial, column or cellular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201996523U CN203286314U (en) | 2013-04-18 | 2013-04-18 | Anti-dazzle LED down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201996523U CN203286314U (en) | 2013-04-18 | 2013-04-18 | Anti-dazzle LED down lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203286314U true CN203286314U (en) | 2013-11-13 |
Family
ID=49542675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201996523U Withdrawn - After Issue CN203286314U (en) | 2013-04-18 | 2013-04-18 | Anti-dazzle LED down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203286314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196061A (en) * | 2013-04-18 | 2013-07-10 | 广东国晟投资有限公司 | Anti-dazzling LED down lamp |
| CN104296016A (en) * | 2014-03-12 | 2015-01-21 | 宋晓伟 | COB down lamp with even and efficient heat radiation function |
-
2013
- 2013-04-18 CN CN2013201996523U patent/CN203286314U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196061A (en) * | 2013-04-18 | 2013-07-10 | 广东国晟投资有限公司 | Anti-dazzling LED down lamp |
| CN103196061B (en) * | 2013-04-18 | 2015-12-30 | 广东广晟光电科技有限公司 | A kind of anti-glare LED down lamp |
| CN104296016A (en) * | 2014-03-12 | 2015-01-21 | 宋晓伟 | COB down lamp with even and efficient heat radiation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 3 building, No. 336 business building, Whampoa Road, Tianhe District, Guangdong, Guangzhou 510655, China Patentee after: Guangdong Ecorising Optoelectronic Technology Co., Ltd. Address before: 3 building, No. 336 business building, Whampoa Road, Tianhe District, Guangdong, Guangzhou 510655, China Patentee before: Guangdong Rising Investment Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20151230 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |