CN101153689A - Circular lighting device and its manufacturing method - Google Patents
Circular lighting device and its manufacturing method Download PDFInfo
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- CN101153689A CN101153689A CN 200710088789 CN200710088789A CN101153689A CN 101153689 A CN101153689 A CN 101153689A CN 200710088789 CN200710088789 CN 200710088789 CN 200710088789 A CN200710088789 A CN 200710088789A CN 101153689 A CN101153689 A CN 101153689A
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Abstract
The invention provides a circular lighting device which can prevent the ineffective electric contact between the lead generating LED and a printed wiring board and its producing method. The device comprises a plurality of LEDs, a circular table plate bearing a plurality of LEDs, the printed wiring board electrically connected with a plurality of LED, a plurality of through holes on the table plate, extending from one side to another side. Furthermore, an inclined face inclining downwards facing to the inner side in the radial direction at one side. The leads of the plural LEDs pass through the plural through holes of the table plate, communicate plural through holes of the printed wiring board and are soldered softly. The lighting portions of plural LEDs are beared on the inclined face of the table plate along an approximately vertical direction.
Description
Technical field
For example the present invention relates to handle and be used for circular lighting device and manufacture method thereof that checked property is thrown light in checking etc. at image.
Background technology
All the time, when the quality of on manufacturing line, checking industrial products such as printed wiring board or semiconductor for example solder is bad or foreign matter adhere to wait or be printed on beverage with jar on lettering mistakes such as manufacturing day etc. the time, utilized based on the image of the shooting of CCD camera etc. and handled inspection.Handle in the inspection at this image, be used for the circular lighting device that the checked property that is configured in the field of illumination is thrown light on.
Described circular lighting device possesses the ring-type light source of irradiates light annularly, the flexible printed wiring board (for example with reference to patent documentation 1) that this ring-type light source possesses a plurality of LED and is electrically connected with a plurality of LED.This circular lighting device is for example made as follows.Printed wiring board constitutes the ring-type with otch, and this printed wiring board is remained under the plane state, with the lead solder separately of a plurality of LED on the one side of printed wiring board.Then, be the inboard simultaneously with this of printed wiring board, make printed wiring board be bent into the frustoconical shape, and its both ends are bonded with each other, thus, the illuminating part separately of a plurality of LED is configured in the frustoconical concave side of printed wiring board.
Patent documentation 1: No. 2975893 communique of Japan's special permission
But, in described existing circular lighting device, have following problem.Because than higher, therefore make printed wiring board bend to the frustoconical shape is not to be easy to a plurality of LED with respect to the actual installation density of printed wiring board, therefore, the problem of circular lighting device can't be easily made in existence.In addition, if make printed wiring board bend to the frustoconical shape as mentioned above, then stress acts on printed wiring board, stress acts on the lead of the LED on printed wiring board that is soldered etc. thus, have following problem: the solder at the LED lead partly cracks, thereby the trouble of the poor electric contact of the lead that produces LED and printed wiring board is arranged.
Summary of the invention
The object of the present invention is to provide a kind of poor electric contact that can prevent to produce lead and the printed wiring board of LED, in addition, the circular lighting device that can make easily and manufacture method thereof.
First aspect present invention provides a kind of circular lighting device; The printing wiring substrate that it possesses a plurality of LED and is electrically connected with described a plurality of LED; Described a plurality of LED has respectively the illuminating part that is covered by resin and the lead that extends from described illuminating part; Corresponding with the described lead separately of described a plurality of LED and be provided with a plurality of through holes on described printing wiring substrate; The described lead separately of described a plurality of LED is inserted through described a plurality of through holes of described printing wiring substrate and is soldered; Described circular lighting device is characterised in that
Described printed wiring board constitutes tabular and ring-type, between the described illuminating part separately of described printed wiring board and described a plurality of LED, clamp the platen of ring-type with insulating properties, on described platen, be provided with a plurality of through holes that simultaneously extend to another side from it, in addition, simultaneously be provided with the inclined plane that descends towards radially inner side at this
The described lead separately of described a plurality of LED, described a plurality of through holes by described platen, insert and to lead in described a plurality of through holes of described printed wiring board and be soldered, the described illuminating part separately of described a plurality of LED is supported on the approximate vertical direction on the described inclined plane of described platen.
In addition, the described circular lighting device of second aspect present invention is characterised in that, is provided with annular recessed portion at the another side of described platen, and described annular recessed portion is used to accommodate by described a plurality of through holes of described printed wiring board by the scolder of suction on this one side.
And then the described circular lighting device of third aspect present invention is characterised in that, the open end separately of the described a plurality of through holes on the side of the described inclined plane of described platen is provided with the tapering of expansion laterally.
In addition, the described circular lighting device of fourth aspect present invention is characterised in that, is respectively equipped with the detent mechanism that is used to they are overlapped and positions on described platen and described printed wiring board.
And then the described circular lighting device of fifth aspect present invention is characterised in that described detent mechanism that is: is located with teat or recess by constituting as the lower part, and it is located on the described platen; With the location with recess or teat, it is located on the described printed wiring board that engages mutually with teat or recess with described location.
In addition, the described circular lighting device of sixth aspect present invention is characterised in that, also possesses the housing that is used to keep described platen and described printed wiring board, clamp the radiating component with flexibility between the another side of described printed wiring board and described housing, the leading section of the described lead separately of described a plurality of LED contacts with described radiating component with heat exchange pattern.
And then seventh aspect present invention provides a kind of manufacture method of circular lighting device, and described circular lighting device possesses a plurality of LED, the described a plurality of LED of supporting and has the platen of ring-type of insulating properties and the printed wiring board that is electrically connected with described a plurality of LED,
Described a plurality of LED has illuminating part that is covered by resin and the lead that extends from described illuminating part respectively, described printed wiring board constitutes tabular and ring-type, corresponding with the described lead separately of described a plurality of LED and be provided with a plurality of through holes on described printed wiring board, on described platen, be provided with a plurality of through holes that simultaneously extend to another side from it, in addition, simultaneously be provided with the inclined plane that descends towards radially inner side at this
The manufacture method of described circular lighting device is characterised in that, comprising:
Bend the operation of the described lead separately of described a plurality of LED; The described lead separately of described a plurality of LED is cut to the operation of specific length; Make the consistent operation of described a plurality of through holes of the described a plurality of through holes and the described printed wiring board of described platen; The one side that makes the another side of described platen and described printed wiring board is opposed and make the operation that they overlap; The described illuminating part separately of described a plurality of LED is bearing on the described inclined plane of described platen, and the described lead separately of described a plurality of LED is inserted the operation of leading in described a plurality of through holes of described a plurality of through holes of described platen and described printed wiring board; And will insert the operation of described lead solder on described through hole of having led to described through hole and described through hole.
According to circular lighting device of the present invention, because the lead separately of a plurality of LED is by a plurality of through holes of platen, a plurality of through holes of slotting logical printed wiring board also are soldered, the illuminating part separately of a plurality of LED is being supported on the approximate vertical direction on the inclined plane of platen thus, therefore, can be under the situation that unlike prior art, makes the printed wiring board bending, the illuminating part separately of a plurality of LED is configured to ring-type as expecting, thereby can easily make circular lighting device, in addition, can a plurality of LED predetermined angular that correctly tilts be disposed by the inclined plane.Therefore and then stress can not act on the printed wiring board, and the solder part at the lead of LED can not crack, thereby can prevent to produce the poor electric contact of lead and the printed wiring board of LED.
In addition, according to circular lighting device of the present invention, because the another side at platen is provided with annular recessed portion, therefore, when a plurality of through holes of the lead separately of a plurality of LED being inserted logical printed wiring board and solder, a plurality of through holes by printed wiring board also are housed in this annular recessed portion by suction to its scolder on simultaneously.Thereby, on the two sides of printed wiring board can with the lead of LED reliably solder on printed wiring board, thereby can keep the lead of LED and the status of electrically connecting of printed wiring board well.
And then, according to circular lighting device of the present invention, because the open end separately of a plurality of through holes on the side of the inclined plane of platen is provided with the tapering of expansion laterally, therefore, insert the through hole of logical platen if make the lead of LED, when then using the illuminating part of resin molded moulding LED, the resin protuberance that forms in the bottom of illuminating part is accommodated in the receiving space that forms in the inboard in this tapering.Thus, the lower surface of the illuminating part of LED is connected to the inclined plane of platen, thereby the illuminating part of LED stably can be bearing on the through hole inclined plane partly of platen.
In addition, according to circular lighting device of the present invention, be used to the detent mechanism that makes them overlap and position owing on platen and printed wiring board, being respectively equipped with, therefore can make a plurality of through holes of a plurality of through holes of platen and printed wiring board consistent respectively, thus the location when platen and printed wiring board are overlapped.And then because detent mechanism by constituting as the lower part, that is: is located with teat or recess, it is located on the platen; With the location with recess or teat, its be located at locate the printed wiring board that engages mutually with teat or recess on, therefore, can be more easily and the location when platen and printed wiring board are overlapped.
In addition, according to circular lighting device of the present invention, owing between the another side of printed wiring board and housing, clamp radiating component with flexibility, therefore, the leading section of the lead separately of a plurality of LED is covered by radiating component and is in contact with it with heat exchange pattern, is delivered to housing from the heat of lead by radiating component thus and dispels the heat.Thereby, can dispel the heat efficiently to the heat that illuminating part produced separately at a plurality of LED.In addition, thereby do not exist lead to be pushed the situation that external force acts on lead, thus, can prevent from partly to crack in the solder of lead by radiating component.
And then, manufacture method according to circular lighting device of the present invention, because the lead separately of a plurality of LED is bent and cuts into specific length, make a plurality of through holes consistent with a plurality of through holes, platen and printed wiring board are overlapped, the illuminating part separately of a plurality of LED is bearing on the inclined plane of platen, and make a plurality of through holes of the lead separately of a plurality of LED by platen, insert a plurality of through holes and the solder of logical printed wiring board, therefore, can be under the situation that unlike prior art, makes the printed wiring board bending, the illuminating part separately of a plurality of LED is configured to ring-type as expecting, thereby can easily make circular lighting device, in addition, can a plurality of LED predetermined angular that correctly tilts be disposed by the inclined plane.Therefore and then stress can not act on printed wiring board, and the solder part at the lead of LED can not crack, thereby can prevent to produce the poor electric contact of lead and the printed wiring board of LED.
Description of drawings
Fig. 1 is the stereogram of the circular lighting device of expression first embodiment of the present invention;
Fig. 2 is the exploded perspective view of the circular lighting device of presentation graphs 1;
Fig. 3 is the summary section of the circular lighting device of Fig. 1;
Fig. 4 is the through hole of platen of presentation graphs 3 and the amplification profile of structure of periphery thereof;
Fig. 5 is that portion's stereogram wanted in the summary of the circular lighting device of expression second embodiment of the invention.
Among the figure: 2,2A-circular lighting device; 4-ring-type light source; The 6-housing; 8-LED; 10,10A-platen; The 12-printed wiring board; The 14-illuminating part; The 16-lead; The 20-inclined plane; The 22-annular recessed portion; 24,24A-through hole; The 26-tapering; 30-locatees teat; The 32-through hole; The 36-location indentations; The 50-radiating component.
The specific embodiment
Below, with reference to the various embodiments of description of drawings circular lighting device of the present invention and manufacture method thereof.Fig. 1 is the stereogram of the circular lighting device of expression first embodiment of the invention, Fig. 2 is the exploded perspective view of the circular lighting device of presentation graphs 1, Fig. 3 is the summary section of the circular lighting device of Fig. 1, and Fig. 4 is the through hole of platen of presentation graphs 3 and the amplification profile of structure of periphery thereof.
In Fig. 1～Fig. 4, illustrated circular lighting device 2 possesses the ring-type light source 4 and the housing 6 that is used to keep ring-type light source 4 of irradiates light annularly.Below, explain these each structural elements.
Ring-type light source 4 possesses: the platen 10 of the ring-type of a plurality of LED8, a plurality of LED8 of supporting and the printed wiring board 12 that is electrically connected with a plurality of LED8.
The couple of conductor 16 that LED8 has illuminating part 14 and extends from illuminating part 14.Illuminating part 14 is by constituting shell shape by molded sheets as illuminator (not shown) such as transparent resins, and in addition, couple of conductor 16 is extended to the outside from the bottom of illuminating part 14 respectively.In addition, exist resin protuberance 18, described resin protuberance 18 to protrude the mountain shape a little in the bottom of illuminating part 14 (that is the part that lead 16 is derived from illuminating part 14) and constitute (with reference to Fig. 4) by the transparent resin that forms illuminating part 14.This resin protuberance 18 forms when molded and shaped illuminating part 14.Also have, in Fig. 2, only illustrate a LED8.
Printed wiring board 12 constitutes tabular and ring-type, and its external diameter and internal diameter constitute with the external diameter and the internal diameter of platen 10 roughly the same respectively.On printed wiring board 12, be provided with a plurality of through holes 32 with the lead separately 16 corresponding (that is, corresponding) of a plurality of LED8 with a plurality of through holes 24 of platen 10.Be provided with conduction region portion (not shown) at the both ends separately of a plurality of through holes 32, this conduction region portion is electrically connected with the Wiring pattern (not shown) that is provided with on printed wiring board 12.One end of the cable 34 that extends from power supply device (not shown) is electrically connected by the Wiring pattern of solder with the another side side of printed wiring board 12.In addition, peripheral part in the one side of printed wiring board 12, corresponding and be provided with as the location of detent mechanism with recess 36 (with reference to Fig. 2 and Fig. 4) with the location of platen 10 with teat 30, the location is engaged with recess 36 mutually with teat 30 and location, thereby platen 10 and printed wiring board 12 are overlapped.So, make a plurality of through holes 24 of platen 10 and a plurality of through holes 32 of printed wiring board 12 distinguish consistent.
The external diameter of cover portion 40 constitutes with the internal diameter of housing body unit 38 roughly the same or slightly littler than it.In cover portion 40, upwards be provided with a plurality of screwed holes 48 in week across the interval of regulation, in addition, accommodate recess 52 what it simultaneously was provided with the ring-type that is used to accommodate radiating component 50 described later.Corresponding and be provided with a plurality of screwed holes 54 at a plurality of screw insertion holes 46 of the peripheral part of cover portion 40 and housing body unit 38, in addition, corresponding with first notch 44 of housing body unit 38 and be provided with second notch 56 (with reference to Fig. 2).
The radiating component 50 that recess 52 accommodates of accommodating in cover portion 40 constitutes ring-type, and for example silicone or fluorosilicone, SEP etc. form by the deformable flexibility material with electrical insulating property and heat conductivity.
Then, if the manufacture method of explanation circular lighting device 2 is then as described below.At first, for example tool using etc. with near the positions the resin protuberance 18 of the couple of conductor 16 of LED8 with respect to illuminating part 14 with angle θ 2 (for example about 18 degree) (with reference to Fig. 3) bending, and then for example tool using etc. is cut to specific length with the couple of conductor 16 of LED8.For example, at the thickness D1 of outermost through hole 24 parts of platen 10 is that the thickness D2 of 6mm, printed wiring board 12 is when being 1.5mm approximately approximately, the couple of conductor 16 of inserting the LED8 in this through hole 24 is cut to length about about 8.5～9.0mm, is cut to the length of only lacking specific length than it with inserting the couple of conductor 16 of leading to the LED8 in the through hole 24 of counting secondary series from the outside of platen 10.Below same, the mode that shortens successively with length will be inserted and be led to couple of conductor 16 in the through hole 24 of counting secondary series from the outside of platen 10, count the LED8 in the through hole 24 the tertial through hole 24 and the most inboard from the outside and cut off.By cut-out like this, when the lead 16 that makes LED8 is as described later inserted the through hole 32 of logical printed wiring board 12 by the through hole 24 of platen 10, the length of the leading section of the lead 16 given prominence to from the another side of printed wiring board 12 can be guaranteed be about about 1.0～1.5mm.
Then, use recess 36 to engage mutually by the location that makes platen 10 with the location of teat 30 and printed wiring board 12, make a plurality of through holes 32 of a plurality of through holes 24 of platen 10 and printed wiring board 12 consistent, and the one side that makes the another side of platen 10 and printed wiring board 12 is opposed and they are overlapped, and for example with the temporary transient fixedly band of usefulness (not shown) etc. both one is fixed.Then, the couple of conductor 16 that makes the LED8 that has bent as mentioned above is a pair of through hole 24 of the correspondence by platen 10 respectively, and inserts in a pair of through hole 32 of correspondence of printed wiring board 12.When this inserts, the leading section of lead 16 is moved along the surface in the tapering 26 of the radial outside of platen 10, insert simultaneously in the through hole 24 of platen 10, therefore, the lead 16 of LED8 easily can be inserted in the through hole 24 of platen 10.Insert the lead 16 of LED8 if so, then the resin protuberance 18 of the illuminating part 14 of LED8 is housed in the receiving space 28 of inboard in tapering 26, thus, the lower surface of illuminating part 14 is connected on the inclined plane 20 of platen 10, thereby illuminating part 14 stably can be bearing on the inclined plane 20 of through hole 24 parts.
The lead 16 that makes LED8 as mentioned above by platen 10 through hole 24 and insert in the through hole 32 of printed wiring board 12, with the leading section solder of lead 16 in the conduction region portion (through hole 32) of the another side side of printed wiring board 12.Carry out solder if so, then scolder 58 from the another side of printed wiring board 12 by through hole 32 and by suction on its one side, this by suction scolder 58 be housed in the annular recessed portion 22 of platen 10 (with reference to Fig. 4), thus, the one side side of printed wiring board 12 also can with the lead 16 of LED8 reliably solder in conduction region portion.
Also have, though this solder for example utilizes reflux solder to carry out, but because between the illuminating part 14 of LED8 and printed wiring board 12, for example clamp the platen 10 that forms by the high material of hear resistances such as Merlon, therefore, when the another side that makes printed wiring board 12 when contacting above the solder bath (not shown), fusion in the solder bath the heat of scolder be difficult for being delivered to the illuminating part 14 of LED8, can prevent that thus the illuminating part 14 of LED8 is impaired because of the heat of scolder.
Carry out solder if so, then platen 10 and printed wiring board 12 are clamped in the illuminating part 14 of LED8 and solder between the leading section of the lead 16 in the conduction region portion of printed wiring board 12, therefore, can remove the described temporary transient fixedly band of usefulness.In addition, an end solder of the cable 34 that will extend from power supply device is on the Wiring pattern of the another side side of printed wiring board 12.
The ring-type light source 4 that is assembled into as mentioned above is maintained in the housing 6 as follows.At first, ring-type light source 4 is inserted into its inside from a side's of housing body unit 38 peristome, the card that makes the peripheral part of the one side side of platen 10 be limited to housing body unit 38 ends teat 42.Then, radiating component 50 is housed in accommodating in the recess 52 of cover portion 40, this cover portion 40 is inserted a side's of housing body unit 38 peristome.Insert if so, then between the one side of the another side of printed wiring board 12 and cover portion 40, clamp radiating component 50, cover from the leading section of the outstanding lead 16 of the another side of printed wiring board 12 by radiating component 50, thereby lead 16 and radiating component 50 are can heat conducting mode contacting.Then, make the cable 34 that extends from printed wiring board 12 by cover portion 40 second notch 56 and first notch 44 of housing body unit 38 and draw to the outside, make then a plurality of fixing screws 60 by housing body unit 38 a plurality of screw insertion holes 46 and screw togather with a plurality of screwed holes 54 of cover portion 40.Thus, housing body unit 38 and cover portion 40 are fixing integratedly, end between the one side of teat 42 and cover portion 40 thereby ring-type light source 4 is clamped in the card of housing body unit 38.As mentioned above, finish the manufacturing of circular lighting device 2.
In the circular lighting device 2 that constitutes as mentioned above, the illuminating part separately 14 of a plurality of LED8 is configured on the inclined plane 20 of platen 10 annularly, and with respect to axis C with angle θ 2 towards the radially inner side of ring-type light source 4 direction of inclined plane 20 approximate vertical of platen 10 (that is, with respect to).
This circular lighting device 2 for example is used for following image and handles inspection.For example be combined in a plurality of screwed holes 48 of cover portion 40 by a plurality of installations are twisted with screw (not shown), the mode that is in downside with the inclined plane 20 of ring-type light source 4 is installed in circular lighting device 2 and checks with on the equipment (not shown) etc.Field of illumination (not shown) is positioned at the below of circular lighting device 2, the central portion configuration checked property (not shown) in this field of illumination.In addition, be provided with CCD camera (not shown) above circular lighting device 2, this CCD camera is checked checked property by the peristome 62 of circular lighting device 2.
If the electric power from the regulation of power supply device is supplied with to circular lighting device 2 via cable 34, then this electric power is supplied with to the lead 16 of LED8 via Wiring pattern, conduction region portion and the scolder 58 of printed wiring board 12, thereby the illuminating part separately 14 of a plurality of LED8 is luminous.Thus, surperficial illuminated at the checked property of field of illumination configuration so, carries out the image of checked property and handles inspection.
In addition, as mentioned above, because the leading section of the lead 16 of LED8 is covered by radiating component 50, and be in contact with it, therefore, if the illuminating part 14 of LED8 is luminous, then the heat that is produced at illuminating part 14 is delivered to cover portion 40 by radiating component 50 and housing body unit 38 is dispelled the heat from lead 16, thus, can dispel the heat to the heat that is produced at illuminating part 14 efficiently.
In the circular lighting device 2 of present embodiment, the lead separately 16 of a plurality of LED8 is soldered on printed wiring board 12 by a plurality of through holes 24 of platen 10, thus, the illuminating part separately 14 of a plurality of LED8 is supported on the inclined plane 20 of platen 10, therefore, can be under the situation that unlike prior art, makes printed wiring board 12 bendings, the illuminating part separately 14 of a plurality of LED8 is configured to ring-type as expectation, thereby can easily makes circular lighting device 2.Therefore in addition, stress can not act on the printed wiring board 12, and the solder part at the lead 16 of LED8 can not crack, thereby can prevent to produce the poor electric contact of lead 16 and the printed wiring board 12 of LED8.In addition, the tilt angle theta 1 on the inclined plane 20 by appropriate change platen 10 can easily change the direction of illumination from the light of a plurality of LED8.
Second embodiment of circular lighting device then, is described with reference to Fig. 5.Fig. 5 is that portion's stereogram wanted in the summary of the circular lighting device of expression second embodiment of the invention.In Fig. 5, for the identical identical symbol of structural element mark of structural element as the embodiment of Fig. 1～shown in Figure 4, omit its detailed description.
In the circular lighting device 2A of this embodiment, a plurality of through hole 24A that are arranged on the platen 10A constitute the slotted hole shape respectively, insert the couple of conductor 16 of LED8 in a through hole 24A respectively.The length of this through hole 24A constitutes with the partition distance (spacing) of the couple of conductor 16 of LED8 roughly the same or bigger slightly than it.
In the circular lighting device 2A of these other embodiments,, therefore, can easily carry out the logical operation of inserting of lead 16 owing to make the lead 16 of LED8 insert the through hole 24A of logical platen 10A.
More than, the various embodiments of circular lighting device of the present invention and manufacture method thereof have been described, but the present invention is not limited to such embodiment, can carry out various distortion or correction without departing from the scope of the invention.
For example, in described each embodiment, constitute the another side that the location is located at platen 10 with teat 30, the location is located at the one side of printed wiring board 12 with recess 36, but, also can the another side that is located at platen 10 with recess will be located in contrast, the one side that is located at printed wiring board 12 with teat will be located.Perhaps, location teat 30 and location recess 36 also can be set, and constitute detent mechanism by the mark on the one side of another side that is located at platen 10 respectively and printed wiring board 12, so that the mode of these mark unanimities makes platen 10 and printed wiring board 12 overlap and position.
In addition, for example in described each embodiment, by reflux solder with lead 16 solders of LED8 on printed wiring board 12, but for example also can use flatiron etc. to carry out solder.
Claims (7)
1. circular lighting device; The printing wiring substrate that it possesses a plurality of LED and is electrically connected with described a plurality of LED; Described a plurality of LED has respectively the illuminating part that is covered by resin and the lead that extends from described illuminating part; Corresponding with the described lead separately of described a plurality of LED and be provided with a plurality of through holes on described printing wiring substrate; The described lead separately of described a plurality of LED is inserted through described a plurality of through holes of described printing wiring substrate and is soldered; Described circular lighting device is characterised in that
Described printed wiring board constitutes tabular and ring-type, between the described illuminating part separately of described printed wiring board and described a plurality of LED, clamp the platen of ring-type with insulating properties, on described platen, be provided with a plurality of through holes that simultaneously extend to another side from it, in addition, simultaneously be provided with the inclined plane that descends towards radially inner side at this
The described lead separately of described a plurality of LED, described a plurality of through holes by described platen, insert and to lead in described a plurality of through holes of described printed wiring board and be soldered, the described illuminating part separately of described a plurality of LED is being supported on the direction in approximate vertical on the described inclined plane of described platen.
2. circular lighting device as claimed in claim 1 is characterized in that,
Another side at described platen is provided with annular recessed portion, and described annular recessed portion is used to accommodate by described a plurality of through holes of described printed wiring board by the scolder of suction on this one side.
3. circular lighting device as claimed in claim 1 or 2 is characterized in that,
The open end separately of the described a plurality of through holes on the side of the described inclined plane of described platen is provided with the tapering of expansion laterally.
4. as each described circular lighting device in the claim 1 to 3, it is characterized in that,
On described platen and described printed wiring board, be respectively equipped with the detent mechanism that is used to they are overlapped and positions.
5. circular lighting device as claimed in claim 4 is characterized in that,
Described detent mechanism that is: is located with teat or recess by constituting as the lower part, and it is located on the described platen; With the location with recess or teat, it is located on the described printed wiring board that engages mutually with teat or recess with described location.
6. as each described circular lighting device in the claim 1 to 5, it is characterized in that,
Also possesses the housing that is used to keep described platen and described printed wiring board, clamp the radiating component with flexibility between the another side of described printed wiring board and described housing, the leading section of the described lead separately of described a plurality of LED contacts with described radiating component with heat exchange pattern.
7. the manufacture method of a circular lighting device, described circular lighting device possess a plurality of LED, the described a plurality of LED of supporting and have the platen of ring-type of insulating properties and the printed wiring board that is electrically connected with described a plurality of LED,
Described a plurality of LED has illuminating part that is covered by resin and the lead that extends from described illuminating part respectively, described printed wiring board constitutes tabular and ring-type, corresponding with the described lead separately of described a plurality of LED and be provided with a plurality of through holes on described printed wiring board, on described platen, be provided with a plurality of through holes that simultaneously extend to another side from it, in addition, simultaneously be provided with the inclined plane that descends towards radially inner side at this
The manufacture method of described circular lighting device is characterised in that to have:
Bend the operation of the described lead separately of described a plurality of LED; The described lead separately of described a plurality of LED is cut to the operation of specific length; Make the consistent operation of described a plurality of through holes of the described a plurality of through holes and the described printed wiring board of described platen; The one side that makes the another side of described platen and described printed wiring board is opposed and make the operation that they overlap; The described illuminating part separately of described a plurality of LED is bearing on the described inclined plane of described platen, and the described lead separately of described a plurality of LED is inserted the operation of leading in described a plurality of through holes of described a plurality of through holes of described platen and described printed wiring board; And will insert the operation of described lead solder on described through hole of having led to described through hole and described through hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006258482 | 2006-09-25 | ||
| JP2006258482A JP2008078066A (en) | 2006-09-25 | 2006-09-25 | Ring-like lighting system and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101153689A true CN101153689A (en) | 2008-04-02 |
| CN100532918C CN100532918C (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710088789 Expired - Fee Related CN100532918C (en) | 2006-09-25 | 2007-03-22 | Circular lighting device and its manufacturing method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2008078066A (en) |
| KR (1) | KR100888578B1 (en) |
| CN (1) | CN100532918C (en) |
| TW (1) | TW200815706A (en) |
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| CN102224375A (en) * | 2008-11-26 | 2011-10-19 | Ccs株式会社 | Illumination device and method for manufacturing the same |
| CN102777793A (en) * | 2012-07-17 | 2012-11-14 | 福建鸿博光电科技有限公司 | Polarized light type light-emitting diode (LED) straw hat lamp bead |
| CN111246913A (en) * | 2018-07-31 | 2020-06-05 | 麦特拉斯株式会社 | Light irradiation device and method for manufacturing light irradiation device |
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| JP2975893B2 (en) * | 1996-07-08 | 1999-11-10 | シーシーエス株式会社 | Lighting device manufacturing method |
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2007
- 2007-03-05 KR KR1020070021493A patent/KR100888578B1/en not_active IP Right Cessation
- 2007-03-22 CN CN 200710088789 patent/CN100532918C/en not_active Expired - Fee Related
- 2007-04-10 TW TW96112482A patent/TW200815706A/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| CN100532918C (en) | 2009-08-26 |
| TW200815706A (en) | 2008-04-01 |
| JP2008078066A (en) | 2008-04-03 |
| KR100888578B1 (en) | 2009-03-12 |
| KR20080028259A (en) | 2008-03-31 |
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