CN103133957A - Light emitting diode (LED) lamp assembly with light shading component and manufacture method thereof - Google Patents
Light emitting diode (LED) lamp assembly with light shading component and manufacture method thereof Download PDFInfo
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- CN103133957A CN103133957A CN2011103868243A CN201110386824A CN103133957A CN 103133957 A CN103133957 A CN 103133957A CN 2011103868243 A CN2011103868243 A CN 2011103868243A CN 201110386824 A CN201110386824 A CN 201110386824A CN 103133957 A CN103133957 A CN 103133957A
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Abstract
A light emitting diode (LED) lamp assembly with a light shading component comprises a heat dissipation block, an LED printed circuit board (PCB) assembly and the light shading component, wherein an assembling groove used for assembly of the light shading component is formed in the heat dissipation block in a machined mode, a through hole corresponding to the assembling groove is formed in the PCB assembly, the light shading component comprises a main body part, a top part and an elastic body part, and the light shading component is directly assembled on the heat dissipation block and the PCB assembly through the assembling groove. Further disclosed is a manufacture method of the LED lamp assembly with the light shading component. According to the LED lamp assembly with the light shading component and the manufacture method of the LED lamp assembly with the light shading component, a directly assembled mechanical structure is used for replacing a scheme that a shading membrane is assembled through a high-accuracy aiming device in the prior art, production cost is greatly reduced, and the LED lamp assembly with the light shading component and the manufacture method of the LED lamp assembly with the light shading component have obvious economic benefit.
Description
Technical field
The present invention relates to a kind ofly for the LED lamp assembly that light blocks parts that has on automobile headlamp and fog lamp, also relate to a kind of manufacturing and have the method that light blocks the LED lamp assembly of parts.
Background technology
Generally, need on the LED of automobile lamp, light be set and block parts, be used for the more unwanted light outputs of our institute of excision, so that the beautiful light output pattern that acquisition is wanted.This most critical be need to guarantee that light being blocked parts is installed on the correct position of LED lamp with very high precision, require alignment error to be approximately ± 0.05mm and ± 0.5 °.
At present, most similar products use high precision alignment equipment that optics shading diaphragm is installed in the correct position of LED lamp.For this solution, although can obtain the product that we want, the high precision alignment device structure is complicated, installation is difficult, cost is too high, and production efficiency is lower.Therefore, the problems referred to above cause the manufacturing cost of LED module too high.
Summary of the invention
The purpose of this invention is to provide a kind of LED lamp assembly on front lamp of vehicle and fog lamp of being used for that light blocks parts that has, and provide a kind of manufacture method of above-mentioned LED lamp assembly, in order to can easily make LED lamp assembly and can realize that light blocks the hi-Fix of parts, and finally obtaining LED lamp cheaply.The manufacture process of LED lamp assembly of the present invention no longer needs the high precision alignment device, and only needs simple assembling to get final product.
According to the present invention, a kind of LED lamp assembly that light blocks parts that has is provided, comprise that radiating block, LED printed circuit board (PCB) (PCB) assembly and light block parts, wherein, be processed with the fitting recess that blocks parts for assembling light in radiating block, be processed with the through hole corresponding with fitting recess on printed circuit-board assembly, light blocks parts and comprises main part, top section and elastomer portion, and light blocks parts and directly is assembled on radiating block and printed circuit-board assembly by fitting recess.
According to a further aspect in the invention, radiating block has the installation portion and the radiating part that is used to LED lamp assembly radiating for the mounted LED lamp assembly, be provided with installing hole and locating slot on installation portion, two lateral margins of this locating slot are parallel to the straight line that extends along the radial direction of installation portion, and symmetrical about this straight line.Further, light blocks parts and is arranged on above-mentioned radiating part.
In an embodiment according to the present invention, above-mentioned fitting recess has first size and the second size, and first size is the distance of the central point of the reference surface of fitting recess and radiating part, its precision is controlled at ± the 0.02mm scope in; The second size be the reference surface of fitting recess with respect to the angle of the lateral margin of the locating slot of installation portion, this angle is 90 °, precision is controlled at ± scope of 0.5 ° in.The precision of these two sizes can easily be guaranteed by machining, therefore greatly reduces the manufacturing cost of LED lamp assembly, has improved production efficiency.
According to LED lamp assembly of the present invention, wherein, the main part that light blocks parts has flat surface, when light being blocked parts and is assembled in fitting recess, this flat surface abuts against on the reference surface of fitting recess, the top section that light blocks parts is arranged on the top of main part perpendicular to flat surface, be provided with elastomer portion on other side except flat surface of main part, when light being blocked parts and be assembled in fitting recess, elastomer portion is used for flexibly being resisted against the surface except reference surface of fitting recess.
according to the abovementioned embodiments of the present invention, the main part that light blocks parts is formed by the plastic material injection moulding.
In an embodiment according to the present invention, block at light on the top section of parts and be provided with the groove that holds the LED lamp, be used for blocking the part that the needs of LED lamp block.This groove that holds the LED lamp has the 3rd size and the 4th size, the 3rd size is the distance between the outermost edges of the flat surface of main part and top section, when light being blocked parts and is installed in fitting recess, the 3rd size equals the distance between the edge of the part that the needs of the reference surface of fitting recess and LED lamp block, the 4th size is the distance between the upper surface of the end face of groove and top section, when light blocked parts and is installed in fitting recess, the 4th size equaled the distance between the upper surface of the end face of LED lamp and top section.The precision of the 3rd size and the 4th size is controlled at ± the 0.02mm scope in.Because the precision of these two sizes also can easily obtain by machining, therefore reduced significantly the manufacturing cost of LED lamp assembly, improved its production efficiency.
According to the present invention, provide a kind of manufacturing to have the method that light blocks the LED lamp assembly of parts, the method comprises the following steps:
Be provided for the radiating block of LED lamp assembly, and on this radiating block the process and assemble groove;
The printed circuit-board assembly of LED lamp is provided, and processes the through hole corresponding with fitting recess on printed circuit-board assembly, printed circuit-board assembly is installed on radiating block; And,
Provide light to block parts, and light is blocked parts be assembled in fitting recess, wherein, light blocks parts and comprises main part, top section and elastomer portion.
Have in the method for LED lamp assembly that light blocks parts in manufacturing according to the present invention, radiating block is provided with the installation portion and the radiating part that is used to LED lamp assembly radiating for the mounted LED lamp assembly, be provided with installing hole and locating slot on installation portion, two lateral margins of this locating slot are parallel to the straight line that extends along the radial direction of installation portion, and symmetrical about this straight line.
Have in the method for LED lamp assembly that light blocks parts in manufacturing according to the present invention, the processing of above-mentioned fitting recess comprises the step of determining first size and the second size, first size is the distance of the central point of the reference surface of fitting recess and described radiating part, the second size be the reference surface of fitting recess with respect to the angle of the lateral margin of the locating slot of installation portion, this angle is 90 °.The precision of first size is controlled at ± the 0.02mm scope in, the precision of this angle is controlled at ± scope of 0.5 ° in.
Have in the method for LED lamp assembly that light blocks parts in manufacturing according to the present invention, printed circuit-board assembly is installed to comprises on radiating block with aligning equipment the central point of printed circuit-board assembly is aimed at the central point of radiating block, and the corresponding edge of the through hole of the upper lateral margin of reference surface of fitting recess and printed circuit-board assembly is arranged abreast.
In the method according to this invention, the main part that light blocks parts is provided with flat surface, when light being blocked parts and is assembled in fitting recess, flat surface abuts against on the reference surface of fitting recess, the top section that light blocks parts is arranged on the top of main part perpendicular to flat surface, be provided with elastomer portion on other side except flat surface of main part, when light being blocked parts and be assembled in fitting recess, elastomer portion is used for flexibly being resisted against the surface except reference surface of fitting recess.
In said method according to the present invention, the main part that light blocks parts is formed by the plastic material injection moulding.
Have in the method for LED lamp assembly that light blocks parts in manufacturing according to the present invention, block at light on the top section of parts and be provided with the groove that holds the LED lamp, be used for blocking the part that the needs of LED lamp block.The design of holding the groove of LED lamp comprises the step of determining the 3rd size and the 4th size, the 3rd size is the distance between the outermost edges of the flat surface of main part and top section, when light being blocked parts and is installed in fitting recess, the 3rd size equals the distance between the edge of the part that the needs of the reference surface of fitting recess and LED lamp block, the 4th size is the distance between the upper surface of the end face of groove and top section, when light blocked parts and is installed in fitting recess, the 4th size equaled the distance between the upper surface of the end face of LED lamp and top section.The precision of the 3rd size and the 4th size is controlled at ± the 0.02mm scope in.
Simple according to LED lamp modular construction of the present invention, be convenient to install, exempted the demand to high precision alignment equipment, only need to guarantee that by machining light blocks the location dimension of fitting recess of parts and light and blocks being used on parts and hold the physical dimension of the groove of LED lamp, therefore greatly reduce the production cost of LED lamp assembly, improved simultaneously production efficiency.
Description of drawings
Referring to accompanying drawing, specific embodiments of the invention are illustrated in greater detail.Wherein:
Fig. 1 illustrates according to of the present invention to be provided with the perspective view that light blocks the LED lamp assembly of parts;
Fig. 2 illustrates according to of the present invention to be provided with the decomposition diagram that light blocks the LED lamp assembly of parts;
Fig. 3 is the top view that illustrates according to the radiating block of LED lamp assembly of the present invention;
Fig. 4 illustrates the main perspective view that light according to the present invention blocks parts;
Fig. 5 illustrates the perspective view that light according to the present invention blocks the opposite side of parts;
Fig. 6 is the schematic diagram that illustrates according to the assembling of the printed circuit-board assembly of LED lamp assembly of the present invention and radiating block;
Fig. 7 is that the light that illustrates according to LED lamp assembly of the present invention blocks the schematic diagram of the assembling of parts.
Fig. 8 illustrates the printed circuit-board assembly of assembling and the top view of radiating block.
The specific embodiment
Fig. 1 illustrates according to of the present invention to be provided with the perspective view that light blocks the LED lamp assembly of parts, and Fig. 2 illustrates according to of the present invention to be provided with the decomposition diagram that light blocks the LED lamp assembly of parts.As illustrated in fig. 1 and 2, LED lamp assembly comprises that radiating block 1, printed circuit board (PCB) (PCB) assembly 2 and light block parts 3.
As shown in Figure 2, radiating block 1 comprises the installation portion 11 and the radiating part 12 that is used to LED lamp assembly radiating for the mounted LED lamp assembly.Be processed with the fitting recess 13 that blocks parts 3 for assembling light in radiating part 12, be provided with locating slot 14 and installing hole 15 on installation portion 11.Be more clearly visible from Fig. 3, two lateral margins of locating slot 14 are parallel to the straight line that extends along the radial direction of installation portion 11, and symmetrical about this straight line.As shown in Figure 3, the processing of fitting recess 13 need to be determined two basic sizes, first size is the inner surface of central point O of the close radiating part 12 of fitting recess 13, it is the reference surface 131 of fitting recess 13, with the distance B of the central point O of radiating part 12, the dimensional accuracy of this distance B should be controlled at ± the 0.02mm scope in.Second needs are determined to be of a size of the reference surface 131 of fitting recess 13 with respect to the angle [alpha] of the lateral margin of the locating slot 14 of installation portion 11, and this angle [alpha] is 90 °, its precision should be controlled at ± scope of 0.5 ° in.The fitting recess 13 of above-mentioned dimensional accuracy can easily be realized by machining, has therefore reduced processing cost.As shown in Figure 2, also be processed with the through hole corresponding with fitting recess 13 21 equally on PCB assembly 2, LED lamp 22 is arranged on PCB assembly 2, and the centre of luminescence of LED lamp 22 is positioned on the central point of PCB assembly 2.
Fig. 4 illustrates the main perspective view that light blocks parts 3, and Fig. 5 illustrates the perspective view that light blocks the opposite side of parts 3.Light blocks parts 3 and comprises main part 31, top section 32 and elastomer portion 33, and main part 31 has flat surface 311, is assembled to fitting recess 13 when interior when light being blocked parts 3, and flat surface 311 abuts against on the reference surface 131 of fitting recess 13.Top section 32 is arranged on the top of main part 31 perpendicular to flat surface 311, be provided with elastomer portion 33 on other side except flat surface 311 of main part 31, be assembled to fitting recess 13 when interior when light being blocked parts 3, elastomer portion 33 is used for flexibly being resisted against other surface except reference surface 131 of fitting recess 13.Main part 31 can be formed by the plastic material injection moulding.Elastomer portion 33 can be used as individual components and is arranged on main part 31, also can form with main part 31.In addition, the elastomer portion 33 that illustrates in the present embodiment is elastomer block, but elastomer portion can be other elastic component, such as spring, elastic tongue piece or other elastomeric element.Top section 32 can form with main part 31, and also can be used as independently, parts are installed on main part 31.
As shown in Figure 5, block at light on the side corresponding with flat surface 311 of top section 32 of parts 3 and be provided with the groove 321 that holds the LED lamp, be used for blocking the part that the needs of LED lamp block.In the design of groove 321, need to determine two basic size F and H, wherein, size F is the distance between the outermost edges of the flat surface 311 of main part 31 and top section 32.Be installed to fitting recess 13 on radiating block 1 when interior light being blocked parts 3, above-mentioned size F equals the distance between the edge of the part that the needs of the reference surface 131 of fitting recess 13 and LED lamp block.Size H is the distance between the upper surface of the end face of groove 321 and top section 32, is installed to fitting recess 13 when interior when light blocks parts 3, and size H equals the distance between the upper surface of the end face of LED lamp and top section 32.The precision of these two sizes can easily guarantee by machining, its precision is controlled at ± the 0.02mm scope in.
Illustrate that below light blocks the installation process of parts 3 and LED lamp assembly.Use aligning equipment that the PCB assembly is installed on radiating block 1 at this.At first, radiating block 1 is arranged on aligning equipment, then with aligning equipment, the central point of PCB assembly is aimed at the central point of radiating block 1, and the corresponding edge of the through hole of the upper lateral margin of reference surface 131 of fitting recess 13 and printed circuit-board assembly 2 is arranged abreast, as shown in Figure 6.After installation, obtain size W (seeing Fig. 8), i.e. distance between the centre of luminescence E of the reference surface 131 of fitting recess 13 and LED lamp, this size W equates with dimension D.Then, as shown in Figure 7, only light need be blocked in parts 3 insertion fitting recess 13 and can form the LED lamp assembly that light blocks parts 3 that is provided with of the present invention.
Insert fitting recess 13 when interior when light being blocked parts 3, owing to having elastomer portion on the side except flat surface 311 of blocking parts 3 at light, therefore elastomer portion can be pressed against the flat surface 311 of main part 31 on the reference surface 131 of fitting recess 13 tightly, can obtain the position that high-precision light blocks parts.
Although provided embodiment as above at this, it will be understood by a person skilled in the art that protection scope of the present invention is not limited to this, and by the circumscription of claim.In addition, the invention is intended to comprise all modification and the improvement of making within the spirit and scope of the present invention.
Claims (20)
1. one kind has the LED lamp assembly that light blocks parts, described LED lamp assembly comprises that radiating block, LED printed circuit-board assembly and light block parts, wherein, be processed with in described radiating block be used to the fitting recess that assembles described light and block parts, be processed with the through hole corresponding with described fitting recess on described printed circuit-board assembly, described light blocks parts and comprises main part, top section and elastomer portion, and described light blocks parts and directly is assembled on described radiating block and described printed circuit-board assembly by described fitting recess.
2. according to claim 1 have a LED lamp assembly that light blocks parts, wherein, described radiating block has be used to the installation portion that described LED lamp assembly is installed and the radiating part that is used to described LED lamp assembly radiating, be provided with installing hole and locating slot on described installation portion, two lateral margins of described locating slot are parallel to the straight line that extends along the radial direction of described installation portion, and symmetrical about described straight line.
3. according to claim 2 have a LED lamp assembly that light blocks parts, and wherein, described light blocks parts and is arranged on described radiating part.
4. any one according to claim 1-3 is described has a LED lamp assembly that light blocks parts, wherein, described fitting recess has first size and the second size, described first size is the distance of the central point of the reference surface of described fitting recess and described radiating part, described the second size be the described reference surface of described fitting recess with respect to the angle of the lateral margin of the described locating slot of described installation portion, the angle ranging from 90 °.
5. according to claim 4 have a LED lamp assembly that light blocks parts, wherein, the precision of described first size is controlled at ± the 0.02mm scope in, the precision of described angle is controlled at ± scope of 0.5 ° in.
6. any one according to claim 1-4 is described has a LED lamp assembly that light blocks parts, wherein, the described main part that described light blocks parts has flat surface, when described light being blocked parts and is assembled in described fitting recess, described flat surface abuts against on the reference surface of described fitting recess, the described top section that described light blocks parts is arranged on the top of described main part perpendicular to described flat surface, be provided with elastomer portion on other side except described flat surface of described main part, when described light being blocked parts and is assembled in described fitting recess, described elastomer portion is used for flexibly being resisted against the surface except described reference surface of described fitting recess.
7. any one according to claim 1-6 is described has a LED lamp assembly that light blocks parts, and wherein, the described main part that described light blocks parts is formed by the plastic material injection moulding.
8. any one according to claim 1-4 is described has a LED lamp assembly that light blocks parts, wherein, blocks at described light on the described top section of parts and is provided with the groove that holds the LED lamp, is used for blocking the part that the needs of described LED lamp block.
9. according to claim 8 have a LED lamp assembly that light blocks parts, wherein, the groove of the described LED of holding lamp has the 3rd size and the 4th size, distance between the flat surface that described the 3rd size is described main part and the outermost edges of described top section, when described light being blocked parts and is installed in described fitting recess, described the 3rd size equals the distance between the edge of the part that the needs of the described reference surface of described fitting recess and LED lamp block, distance between the end face that described the 4th size is described groove and the upper surface of described top section, when described light blocks parts and is installed in described fitting recess, described the 4th size equals the distance between the upper surface of the end face of described LED lamp and described top section.
10. according to claim 9 have a LED lamp assembly that light blocks parts, wherein, the precision of described the 3rd size and the 4th size is controlled at ± the 0.02mm scope in.
11. a manufacturing has the method that light blocks the LED lamp assembly of parts, said method comprising the steps of:
Be provided for the radiating block of LED lamp assembly, and on described radiating block the process and assemble groove;
The printed circuit-board assembly of LED lamp is provided, and processes the through hole corresponding with described fitting recess on described printed circuit-board assembly, described printed circuit-board assembly is installed on described radiating block; And,
Provide light to block parts, and described light is blocked parts be assembled in described fitting recess, wherein, described light blocks parts and comprises main part, top section and elastomer portion.
12. method according to claim 11, wherein, described radiating block is provided be used to the installation portion that described LED lamp assembly is installed and the radiating part that is used to described LED lamp assembly radiating, be provided with installing hole and locating slot on described installation portion, two lateral margins of described locating slot are set to be parallel to the straight line that extends along the radial direction of described installation portion, and symmetrical about described straight line.
13. according to claim 11 or 12 described methods, wherein, the processing of described fitting recess comprises the step of determining first size and the second size, described first size is the distance of the central point of the reference surface of described fitting recess and described radiating part, described the second size be the described reference surface of described fitting recess with respect to the angle of the lateral margin of the described locating slot of described installation portion, the angle ranging from 90 °.
14. method according to claim 13, wherein, the precision of described first size is controlled at ± the 0.02mm scope in, the precision of described angle is controlled at ± scope of 0.5 ° in.
15. the described method of any one according to claim 11-14, wherein, described printed circuit-board assembly is installed to comprises on described radiating block with aligning equipment the central point of described printed circuit-board assembly is aimed at the central point of described radiating block, and the corresponding edge of the described through hole of the upper lateral margin of reference surface of described fitting recess and described printed circuit-board assembly is arranged abreast.
16. the described method of any one according to claim 11-14, wherein, the described main part that described light blocks parts is provided with flat surface, when described light being blocked parts and is assembled in described fitting recess, described flat surface abuts against on the reference surface of described fitting recess, the described top section that described light blocks parts is arranged on the top of described main part perpendicular to described flat surface, be provided with elastomer portion on other side except described flat surface of described main part, when described light being blocked parts and is assembled in described fitting recess, described elastomer portion is used for flexibly being resisted against the surface except described reference surface of described fitting recess.
17. the described method of any one according to claim 11-16, wherein, the described main part that described light blocks parts is formed by the plastic material injection moulding.
18. the described method of any one according to claim 11-14 wherein, is blocked at described light the groove that holds the LED lamp is set on the described top section of parts, is used for blocking the part that the needs of described LED lamp block.
19. method according to claim 18, wherein, the setting of the groove of the described LED of holding lamp comprises the step of determining the 3rd size and the 4th size, distance between the flat surface that described the 3rd size is described main part and the outermost edges of described top section, when described light being blocked parts and is installed in described fitting recess, described the 3rd size equals the distance between the edge of the part that the needs of the described reference surface of described fitting recess and LED lamp block, distance between the end face that described the 4th size is described groove and the upper surface of described top section, when described light blocks parts and is installed in described fitting recess, described the 4th size equals the distance between the upper surface of the end face of described LED lamp and described top section.
20. method according to claim 19, wherein, the precision of described the 3rd size and the 4th size is controlled at ± the 0.02mm scope in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386824.3A CN103133957B (en) | 2011-11-29 | There is LED lamp component and the manufacture method thereof of light blocking parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386824.3A CN103133957B (en) | 2011-11-29 | There is LED lamp component and the manufacture method thereof of light blocking parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133957A true CN103133957A (en) | 2013-06-05 |
| CN103133957B CN103133957B (en) | 2016-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913388A (en) * | 2015-06-09 | 2015-09-16 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
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| JP2000090714A (en) * | 1998-09-16 | 2000-03-31 | Koito Mfg Co Ltd | Lamp for vehicle |
| FR2807142A1 (en) * | 2000-03-29 | 2001-10-05 | Const Electromecaniques Thome | Vehicle headlamp reflector assembly includes support for cylindrical shutter obscuring direct light from lamp |
| DE10123679B4 (en) * | 2001-05-16 | 2008-02-21 | Bayerische Motoren Werke Ag | Lighting device attachable to a carrier |
| CN101266033A (en) * | 2007-03-15 | 2008-09-17 | 株式会社小糸制作所 | Lamp unit for vehicle |
| CN102162615A (en) * | 2010-02-18 | 2011-08-24 | 市光工业株式会社 | Vehicle headlamp |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000090714A (en) * | 1998-09-16 | 2000-03-31 | Koito Mfg Co Ltd | Lamp for vehicle |
| FR2807142A1 (en) * | 2000-03-29 | 2001-10-05 | Const Electromecaniques Thome | Vehicle headlamp reflector assembly includes support for cylindrical shutter obscuring direct light from lamp |
| DE10123679B4 (en) * | 2001-05-16 | 2008-02-21 | Bayerische Motoren Werke Ag | Lighting device attachable to a carrier |
| CN101266033A (en) * | 2007-03-15 | 2008-09-17 | 株式会社小糸制作所 | Lamp unit for vehicle |
| CN102162615A (en) * | 2010-02-18 | 2011-08-24 | 市光工业株式会社 | Vehicle headlamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913388A (en) * | 2015-06-09 | 2015-09-16 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN104913388B (en) * | 2015-06-09 | 2019-02-01 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
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