CN206221991U - Light-emitting diode (LED) module, location structure and alignment pin - Google Patents
Light-emitting diode (LED) module, location structure and alignment pin Download PDFInfo
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- CN206221991U CN206221991U CN201621088316.1U CN201621088316U CN206221991U CN 206221991 U CN206221991 U CN 206221991U CN 201621088316 U CN201621088316 U CN 201621088316U CN 206221991 U CN206221991 U CN 206221991U
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- location hole
- location
- hole
- circuit board
- emitting diode
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Abstract
A kind of light-emitting diode (LED) module, location structure and alignment pin are disclosed, including：Drain pan；Lamp plate on the drain pan, the lamp plate includes printed circuit board (PCB) and light emitting diode thereon；And location structure, wherein, the location structure includes：Alignment pin, the first location hole on the drain pan, and the second location hole on the printed circuit board (PCB), the alignment pin includes Part I and Part II, the Part I includes the first end being connected with the Part II and the second end away from the Part II, the Part II includes the root and the end relative with the root that are connected with the Part I, the diameter with diameter greater than the Part II of the Part I, the Part I of the alignment pin is embedded in first location hole, the Part II is embedded in second location hole.By increasing the diameter of the Part I, deformation of the alignment pin in mechanical processing process and module assembling process is reduced.
Description
Technical field
The utility model is related to light emitting diode (LED) display screen neighborhood, more particularly, to a kind of light-emitting diode (LED) module, determines
Bit architecture and alignment pin.
Background technology
Light emitting diode (Light Emitting Diode, LED) display screen has that brightness is high, operating voltage is low, power consumption
Small, maximization, long lifespan, impact resistance and steady performance, development prospect are extremely wide, indoors, outdoor have extensively
Application.A usual complete LED display includes multiple LED modules.
Alignment pin is extensive in application in machine equipments, for example, the printed circuit board (PCB) (Printed used in LED module
Circuit Board, PCB) generally need to be accurately positioned the accuracy that just can ensure that LED spacing, and PCB is positioned mostly using fixed
The positioning method of position pin.
Fig. 1 shows the sectional view of the location structure containing alignment pin of prior art, and positioning substrate 110 is provided with the first positioning
Hole 111, printed circuit board (PCB) 120 is provided with second location hole 121 corresponding with first location hole 111.The one of alignment pin 130
It is partially submerged into the first location hole 111 of the positioning substrate 110, another part is embedded in the second of the printed circuit board (PCB) 120
In location hole 121 so that the first location hole 111 is fixed with the second location hole 121 by the position of the alignment pin 130.Existing skill
The alignment pin 130 of art, along its axial direction fixed value a diameter of everywhere, when 130 and first location hole of alignment pin 111 coordinates,
External force is generally needed to use to press this alignment pin 130, this can cause that this alignment pin 130 deforms；Alignment pin 130 is big in the prior art
It is many to be obtained using machinings, in order to avoid the interference problem that machining is caused, generally set the length of the alignment pin 130 compared with
It is long, and the long then overall deformation of alignment pin 130 is uncontrollable, cause the accuracy of alignment pin 130 reduces to a certain degree；Separately
Outward, if during the thinner thickness of positioning substrate 110, such as only 5 millimeters, the then accordingly depth of first location hole 111
Also it is smaller so that the alignment pin 130 is easily inclined, cause positioning inaccurate.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of light-emitting diode (LED) module, the light emitting diode
The lamp plate that module includes more accurately can be positioned on drain pan.
The purpose of this utility model also resides in a kind of location structure of offer, for solving the positioning in light-emitting diode (LED) module
Pin deformation and inclined problem in machining and assembling process so that the positional accuracy of printed circuit board (PCB) is higher.
The purpose of this utility model also resides in a kind of alignment pin of offer, and the alignment pin becomes in machining and assembling process
Shape is smaller, and positional accuracy is higher.
According to one side of the present utility model, there is provided a kind of light-emitting diode (LED) module, including：Drain pan；Positioned at the drain pan
On lamp plate, the lamp plate include printed circuit board (PCB) and light emitting diode thereon；And location structure, wherein, the positioning
Structure includes：Alignment pin, the first location hole on the drain pan and the second positioning on the printed circuit board (PCB)
Hole, the alignment pin includes Part I and Part II, and the Part I includes be connected with the Part II first
End and away from the second end of the Part II, the Part II include the root being connected with the Part I and with it is described
The relative end in root, described first of alignment pin described in the diameter with diameter greater than the Part II of the Part I
Divide insertion first location hole, the Part II is embedded in second location hole.
Preferably, there is the first preset distance between the first end and the printed circuit board (PCB) of the Part I
Gap.
Preferably, first preset distance is 0.3 millimeter -0.5 millimeter.
Preferably, the drain pan at first location hole with the printed circuit board (PCB) directly contact, described first
The axial length for dividing is equivalent to the depth of first location hole and the difference of first preset distance.
Preferably, the drain pan has described first to make a reservation at first location hole and the printed circuit board (PCB) between
The gap of distance, the depth of the axial length equivalent to first location hole of the Part I.
Preferably, first location hole is through hole or groove, and second location hole is through hole or blind hole.
Preferably, second location hole is blind hole, the end of the Part II and the blind end of the blind hole
Between have the second preset distance gap.
Preferably, second preset distance is 0.2 millimeter -0.5 millimeter.
Preferably, the Part I is provided with fillet or chamfering with the Part II junction.
Preferably, second end margin of the Part I is provided with fillet or chamfering, and/or the Part II
The end edge is provided with fillet or chamfering.
Preferably, the axial length of the Part I is 4 millimeters -6 millimeters.
Preferably, the axial length of the Part II is less than 2 millimeters.
Preferably, a diameter of 3 millimeters -5 millimeters of the Part I.
Preferably, a diameter of 1 millimeter -2 millimeters of the Part II.
Preferably, the Part I is coaxial with the Part II.
According to another aspect of the present utility model, there is provided a kind of location structure, on light-emitting diode (LED) module, including：
Alignment pin；The first location hole on positioning substrate；The second location hole on printed circuit board (PCB), wherein, the positioning
Pin includes Part I and Part II, and the Part I includes the first end being connected with the Part II and away from described
Second end of Part II, the Part II includes the root and the end relative with the root that are connected with the Part I
Portion, the diameter with diameter greater than the Part II of the Part I, the Part I insertion of the alignment pin is described
First location hole, the Part II is embedded in second location hole.
Preferably, there is the first preset distance between the first end and the printed circuit board (PCB) of the Part I
Gap.
Preferably, first preset distance is 0.3 millimeter -0.5 millimeter.
Preferably, the positioning substrate at first location hole with the printed circuit board (PCB) directly contact, described the
The axial length of a part is equivalent to the depth of first location hole and the difference of first preset distance.
Preferably, the positioning substrate has described first at first location hole and the printed circuit board (PCB) between
The gap of preset distance, the depth of the axial length equivalent to first location hole of the Part I.
Preferably, first location hole is through hole or groove, and second location hole is through hole or blind hole.
Preferably, second location hole is blind hole, the end of the Part II and the blind end of the blind hole
Between have the second preset distance gap.
Preferably, second preset distance is 0.2 millimeter -0.5 millimeter.
Preferably, the Part I is provided with fillet or chamfering with the Part II junction.
Preferably, second end margin of the Part I is provided with fillet or chamfering, and/or the Part II
The end edge is provided with fillet or chamfering.
Preferably, the axial length of the Part I is 4 millimeters -6 millimeters.
Preferably, the axial length of the Part II is less than 2 millimeters.
Preferably, a diameter of 3 millimeters -5 millimeters of the Part I.
Preferably, a diameter of 1 millimeter -2 millimeters of the Part II.
Preferably, the Part I is coaxial with the Part II.
According to another further aspect of the present utility model, there is provided a kind of alignment pin, including：Part I, the Part I bag
Include the first end and the second end away from the Part II being connected with the Part II；Part II, the Part II
Including the root and the end relative with the root that are connected with the Part I, wherein, the diameter of the Part I is big
In the diameter of the Part II, first that the Part I insertion positioning substrate of the alignment pin is provided with positions
Hole, the Part II of the alignment pin is embedded in the second location hole that the printed circuit board (PCB) is provided with.
Preferably, there is the first preset distance between the first end and the printed circuit board (PCB) of the Part I
Gap.
Preferably, first preset distance is 0.3 millimeter -0.5 millimeter.
Preferably, second location hole is blind hole, the end of the Part II and the blind end of the blind hole
Between have the second preset distance gap.
Preferably, second preset distance is 0.2 millimeter -0.5 millimeter.
Preferably, the Part I is provided with fillet or chamfering with the Part II junction.
Preferably, second end margin of the Part I is provided with fillet or chamfering, and/or the Part II
The end edge is provided with fillet or chamfering.
Preferably, the axial length of the Part I is 4 millimeters -6 millimeters.
Preferably, the axial length of the Part II is less than 2 millimeters.
Preferably, a diameter of 3 millimeters -5 millimeters of the Part I.
Preferably, a diameter of 1 millimeter -2 millimeters of the Part II.
Preferably, the Part I is coaxial with the Part II.
According to alignment pin of the present utility model, the diameter of the Part I by increasing the alignment pin increases its entirety
Rigidity, reduces its deformation in mechanical processing process；The first positioning on the Part I insertion positioning substrate
In the assembling process in hole, because the Part I is by the treatment of increase diameter, the deformation occurred in the operation pressed to it
Also it is smaller.
In a preferred embodiment, the alignment pin Part I is close to the first end of the printed circuit board (PCB) and is somebody's turn to do
There is certain interval between printed circuit board (PCB), so as to reduce the interference between the alignment pin and the printed circuit board (PCB), prevent
The alignment pin rises the printed circuit board (PCB) so that the printed circuit board (PCB) for completing assembling is more smooth.
In a preferred embodiment, the axial length of the Part II is less than 2 millimeters, the diameter of the Part II
It it is 1 millimeter -2 millimeters so that deformation of the Part II in mechanical processing process is smaller.
According to location structure of the present utility model, it includes above-mentioned alignment pin, by increasing the diameter of the Part I,
Reduce its deformation in mechanical processing process；The dress of the first location hole on the Part I insertion positioning substrate
During matching somebody with somebody, deformation of the alignment pin when pressing is smaller, and is difficult to incline.
According to light-emitting diode (LED) module of the present utility model, it includes above-mentioned location structure, by increasing described first
The diameter for dividing, reduces its deformation in mechanical processing process；In the assembling process of light-emitting diode (LED) module, the alignment pin
Deformation when pressing is smaller, and is difficult to incline.
In a preferred embodiment, the alignment pin Part I is close to the first end of the printed circuit board (PCB) and is somebody's turn to do
There is certain interval between printed circuit board (PCB), so as to reduce the interference between the alignment pin and the printed circuit board (PCB), prevent
The alignment pin rises the printed circuit board (PCB) so that after the completion of LED module assembling, the printed circuit board (PCB) is more smooth.
Brief description of the drawings
By description referring to the drawings to the utility model embodiment, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the sectional view of the location structure of prior art.
Fig. 2 shows the sectional view of the location structure according to the utility model first embodiment.
Fig. 3 shows the sectional view of the location structure according to the utility model second embodiment.
Fig. 4 shows the stereogram of the alignment pin included according to the location structure of the utility model 3rd embodiment.
Fig. 5 shows the sectional view of the location structure according to the utility model 3rd embodiment.
Fig. 6 shows the front view of the location structure according to the utility model 3rd embodiment.
Fig. 7 shows the sectional view of the location structure according to the utility model fourth embodiment.
Fig. 8 shows the top view of the light-emitting diode (LED) module according to the embodiment of the utility model the 5th.
Fig. 9 shows the front view of the light-emitting diode (LED) module according to the embodiment of the utility model the 5th.
Figure 10 shows the sectional view of the light-emitting diode (LED) module according to the embodiment of the utility model the 5th.
Figure 11 shows the partial enlarged drawing of the light-emitting diode (LED) module according to the embodiment of the utility model the 5th.
Figure 12 shows to hide the front view of drain pan according to the light-emitting diode (LED) module of the embodiment of the utility model the 5th.
Figure 13 shows to hide the side view of drain pan according to the light-emitting diode (LED) module of the embodiment of the utility model the 5th.
Figure 14 shows to hide the bottom view of drain pan according to the light-emitting diode (LED) module of the embodiment of the utility model the 5th.
Specific embodiment
The utility model is more fully described hereinafter with reference to accompanying drawing.For the sake of clarity, the various pieces in accompanying drawing do not have
Have drawn to scale.Furthermore, it is possible to not shown some known parts.Describe hereinafter of the present utility model many specific
Details, but just as the skilled person will understand, this can not be realized according to these specific details
Utility model.
The utility model provides a kind of alignment pin and a kind of location structure, wherein the alignment pin is used for printed circuit board (PCB)
Be positioned on positioning substrate, including Part I and Part II, the Part I with diameter greater than the Part II
Diameter；The location structure is located on LED module, including positioning substrate, printed circuit board (PCB) and above-mentioned alignment pin, the positioning
First location hole on the Part I insertion positioning substrate of pin；The Part II of the alignment pin is embedding
Enter second location hole on the printed circuit board (PCB).By increasing the diameter of the Part I of the alignment pin, increase it
Integral rigidity, reduces its deformation in mechanical processing process；On the Part I insertion positioning substrate first
In the assembling process of location hole, because the Part I is by the treatment of increase diameter, occur in the operation pressed to it
Deformation is also smaller.
2 to Fig. 7, by taking the location structure on LED module as an example, illustrates positioning of the present utility model below in conjunction with the accompanying drawings
The embodiment of pin and location structure.
Sectional views of the Fig. 2 according to the location structure including alignment pin of the utility model first embodiment.In the positioning knot
In structure, the alignment pin 230 is used to for printed circuit board (PCB) 220 to be positioned at positioning substrate 210.Set on the positioning substrate 210
Have the first location hole 211, the printed circuit board (PCB) 220 is provided with the second location hole 221, first location hole 211 with it is described
The correspondence of second location hole 221.The alignment pin 230 includes Part I 231 and Part II 232, and the Part I 231 is embedding
Enter first location hole 211 on the positioning substrate 210, the printed circuit board (PCB) 220 is placed in the positioning substrate 210
On, meanwhile, the Part II 232 of the alignment pin 230 is embedded in second location hole on the printed circuit board (PCB) 220
221 so that the position between first location hole 211 and second location hole 221 is relatively fixed.The alignment pin 230
The Part I 231 include the first end and away from the Part II 232 second that is connected with the Part II 232
End, the Part II 232 includes the root and the end relative with the root that are connected with the Part I 231.It is described
The shape of Part I 231 and the Part II 232 is generally cylindrical body, wherein, the diameter of the Part I 231 is big
In the diameter of the Part II 232 so that the alignment pin 230 is embedded in first location hole on the positioning substrate 210
The volume increase of the Part I 231 in 211, increases the integral rigidity of the alignment pin 230, reduces its machining process
And the deformation on the insertion positioning substrate 210 during first location hole 211, while being easier to keep balance, prevent from inclining.
It should be appreciated that when the structure of parts is described, when by one layer, region be referred to as being located at another layer, another
When region " above " or " top ", can refer to above another layer, another region, or its with another layer, it is another
Other layers or region are also included between one region.Also, if parts overturn, this layer, a region will be located at
Another layer, another region " below " or " lower section ".
In the present embodiment, a diameter of 4 millimeters of the Part I 231, it is necessary to explanation, the Part I 231
Diameter can according to it is described positioning substrate 210 space requirement be adjusted to other sizes, be with 3 millimeters -5 millimeters it is preferred, it is small
When the scope, the alignment pin 230 deforms in machining process and telescopiny and can increase, and can be caused not more than the scope
Necessary waste.A diameter of 1 millimeter of the Part II 232, certainly, the diameter of the Part II 232 can be according to institute
The space requirement for stating printed circuit board (PCB) 220 is adjusted to other sizes, be with 1 millimeter -2 millimeters it is preferred, it is described during less than the scope
The processing and fabricating of Part II 232 has great difficulty, and during more than the scope, correspondence makes institute on the printed circuit board (PCB) 220
Borehole accuracy when stating the second location hole 221 is difficult to meet and requires.
Positioning substrate 210 can be the drain pan or bonnet of the LED module.On printed circuit board (PCB) 220 described second determines
Position hole 221 can be through hole, or blind hole, and the second location hole 211 is through hole, the positioning substrate described in the present embodiment
First location hole 211 on 210 is also through hole, when the alignment pin 230 is embedded in first location hole 211, described the
The first end of a part 231 is concordant with the lower surface of the positioning substrate 210, the lower surface of the printed circuit board (PCB) 220
With the upper surface of the positioning substrate 210, when the alignment pin 230 is embedded in second location hole 221, described second
Points 232 end is concordant with the upper surface of the printed circuit board (PCB) 220, second end of the Part I 231 and
The printed circuit board (PCB) 220 is contacted, accordingly, the axial length of the Part I 231 and the positioning of the alignment pin 230
Quite, the axial length of the Part II 232 is suitable with the thickness of the printed circuit board (PCB) 220 for the thickness of substrate 210.This reality
Apply and positioned described in example the thickness of substrate 210 for 4 millimeters -6 millimeters, e.g. 5 millimeters, then accordingly, the Part I 231
Axial length also be 5 millimeters.
Further, the location structure of the present embodiment, the Part I 231 of the alignment pin 230 with it is described
Part II 232 is coaxially disposed, edge at the edge of the first end of the Part I 231 and second end, with
And the edge of the end of the Part II 232 is equipped with chamfering, to facilitate the alignment pin 230 to be embedded in the positioning base
Plate 210 and the insertion printed circuit board (PCB) 220.
Sectional views of the Fig. 3 according to the location structure including alignment pin of the utility model second embodiment.In the positioning knot
In structure, the alignment pin 330 is used to for printed circuit board (PCB) 320 to be positioned at positioning substrate 310.Set on the positioning substrate 310
Have the first location hole 311, the printed circuit board (PCB) 320 is provided with the second location hole 321, first location hole 311 with it is described
The correspondence of second location hole 321.The alignment pin 330 includes Part I 331 and Part II 332, and the Part I 331 is embedding
Enter first location hole 311 on the positioning substrate 310, the printed circuit board (PCB) 320 is placed in the positioning substrate 310
On, meanwhile, the Part II 332 of the alignment pin 330 is embedded in second location hole on the printed circuit board (PCB) 320
321 so that the position between first location hole 311 and second location hole 321 is relatively fixed.The alignment pin 330
The Part I 331 include the first end and away from the Part II 332 second that is connected with the Part II 332
End, the Part II 332 includes the root and the end relative with the root that are connected with the Part I 331.It is described
The shape of Part I 331 and the Part II 332 is generally cylindrical body, wherein, the diameter of the Part I 331 is big
In the diameter of the Part II 332 so that the alignment pin 330 is embedded in first location hole on the positioning substrate 310
The volume increase of the Part I 331 in 311, increases the integral rigidity of the alignment pin 330, reduces its machining process
And the deformation on the insertion positioning substrate 310 during first location hole 311, while being easier to keep balance, prevent from inclining.
A diameter of 4 millimeters of the Part I 331 are, it is necessary to explanation, the diameter of the Part I 331 can be with root
Other sizes are adjusted to according to the space requirement of the positioning substrate 310, are preferred with 3 millimeters -5 millimeters, during less than the scope, institute
State alignment pin 330 and deform in machining process and telescopiny and can increase, unnecessary waste can be caused more than the scope.Institute
State Part II 332 a diameter of 1 millimeter, certainly, the diameter of the Part II 332 can be according to the printed circuit board (PCB)
320 space requirement is adjusted to other sizes, is preferred with 1 millimeter -2 millimeters, during less than the scope, the Part II 332
Processing and fabricating have great difficulty, during more than the scope, correspondence second location hole is made on the printed circuit board (PCB) 320
Borehole accuracy when 321 is difficult to meet and requires.
From unlike the utility model first embodiment, on printed circuit board (PCB) 320 described in the present embodiment described
Two location holes 321 are blind hole, and first location hole 311 on the positioning substrate 310 is groove, and the alignment pin 330 is embedding
When entering first location hole 311, the blind end of the first end of the Part I 331 and first location hole 311
Concordantly, the lower surface of the printed circuit board (PCB) 320 and the upper surface for positioning substrate 310, the alignment pin 330 are embedded in
During second location hole 321, the end of the Part II 332 is concordant with the blind end of second location hole 321,
Second end of the Part I 331 contacts with the printed circuit board (PCB) 320, therefore accordingly, the alignment pin 330
The axial length of the Part I 331 is suitable with the depth of first location hole 311, and the axial direction of the Part II 332 is long
Degree is suitable with the depth of second location hole 321.
Further, the location structure of the present embodiment, the Part I 331 of the alignment pin 330 with it is described
Part II 332 is coaxially disposed, and the Part I 331 is provided with fillet, described first with the junction of the Part II 332
Divide the edge of the end at the edge and the Part II 332 at the edge and second end of 331 first end
Chamfering is equipped with, to facilitate the alignment pin 330 to be embedded in the positioning substrate 310 and the insertion printed circuit board (PCB) 320.
Fig. 4 shows the stereogram of the alignment pin included according to the location structure of the utility model 3rd embodiment, Fig. 5, Fig. 6
Sectional view, the front view of the location structure according to the utility model 3rd embodiment are shown.In the location structure, the positioning
Pin 430 is used to for printed circuit board (PCB) 420 to be positioned at positioning substrate 410.The positioning substrate 410 is provided with the first location hole
411, the printed circuit board (PCB) 420 is provided with the second location hole 421, first location hole 411 and second location hole 421
Correspondence.The alignment pin 430 includes Part I 431 and Part II 432, and the Part I 431 is embedded in the positioning base
First location hole 411 on plate 410, the printed circuit board (PCB) 420 is placed on the positioning substrate 410, meanwhile, it is described fixed
The Part II 432 of position pin 430 is embedded in second location hole 421 on the printed circuit board (PCB) 420 so that described the
Position between one location hole 411 and second location hole 421 is relatively fixed.The Part I of the alignment pin 430
431 include the first end being connected with the Part II 432 and the second end away from the Part II 432, described second
Dividing 432 includes the roots and the end relative with the root that are connected with the Part I 431.The He of the Part I 431
The shape of the Part II 432 is generally cylindrical body, wherein, the Part I 431 with diameter greater than described second
Points 432 diameter so that the alignment pin 430 is embedded on the positioning substrate 410 described the in first location hole 411
The volume increase of a part 431, increases the integral rigidity of the alignment pin 430, reduces its machining process and insertion is described fixed
Deformation on the substrate 410 of position during first location hole 411, while being easier to keep balance, prevents from inclining.
The alignment pin 430 of the present embodiment, the Part I 431 is coaxially disposed with the Part II 432, described
Part I 431 is provided with fillet, the edge of the first end of the Part I 431 with the junction of the Part II 432
Edge with the end at the edge and the Part II 432 at second end is equipped with chamfering, described fixed to facilitate
Position pin 430 is embedded in the positioning substrate 410 and the insertion printed circuit board (PCB) 420.It should be noted that in the Part I
431 with the junction of the Part II 432, first end margin of the Part I 431, the Part I 431
The end edge of second end margin, the Part II 432, can selectively set or be not provided with fillet or
Chamfering.
Further, the first end of the Part I 431 of the alignment pin 430 and the printed circuit board (PCB)
Gap with the first preset distance between 420, the positioning substrate 410 is hidden paint clearly to show the gap, in Fig. 6
Show.Because the diameter of the diameter of the Part I 431 of alignment pin 430 Part II 432 is bigger, the present embodiment institute
State the gap of the first preset distance is provided between the first end of Part I 431 and the printed circuit board (PCB) 420 can be with
Prevent the interference caused when being contacted between the first end and the printed circuit board (PCB) 420；Further, since the Part I
431 are provided with fillet with the junction of the Part II 432, and are drilled generally on the printed circuit board (PCB) 420 and make described the
The edge of the second location hole 421 described in during two location holes 421 cannot set correspondence fillet, Part I 431 described in the present embodiment
The first end and the printed circuit board (PCB) 420 between be provided with the gap of the first preset distance and can also avoid described first
Part 431 is provided with the junction of fillet and cannot be provided with the edge of the second location hole 421 of fillet with the Part II 432
Form interference point.
Yet further, second location hole 411 of the printed circuit board (PCB) 420 is blind hole, the alignment pin 430
Gap with the second preset distance, Jin Erfang between the end of the Part II 432 and the blind end of the blind hole
The interference caused when only being contacted between the end and the blind end of the blind hole of the printed circuit board (PCB) 420.
First location hole 411 on positioning substrate 410 can be that groove can also be through hole, described in the present embodiment
First location hole 411 is through hole, when the alignment pin 430 is embedded in first location hole 411, the institute of the Part I 431
State first end concordant with the lower surface of the positioning substrate 410, the lower surface of the printed circuit board (PCB) 420 and the positioning substrate
410 upper surface, while being separated by institute between the first end and the printed circuit board (PCB) 420 of the Part I 431
The gap of the first preset distance is stated, first preset distance can be 0.3 millimeter -0.5 millimeter, accordingly, the alignment pin
Depth and first preset distance of the axial length of 430 Part I 431 equivalent to first location hole 411
Difference, due to first location hole 411 be through hole, the axial length of Part I described further 431 is equivalent to described
The difference of the thickness of substrate 410 and first preset distance is positioned, such as the thickness of described positioning substrate 410 is 5.5 millimeters, is taken
First preset distance is 0.5 millimeter, then accordingly the axial length of the Part I 431 is 5 millimeters, certain positioning
The thickness of substrate 410 is not limited to the situation, can be designed according to actual needs, as long as ensureing the axle of the Part I 431
To length equivalent to the corresponding relation for positioning the thickness of substrate 410 and the difference of first preset distance.It is described fixed
Position pin 430 is when being embedded in second location hole 421, and second location hole 411 is blind hole, and described the of the alignment pin 430
It is separated by the gap of the second preset distance between the end of two parts 432 and the blind end of the blind hole, described second makes a reservation for
Distance can be 0.2 millimeter -0.5 millimeter.Diameter and the printed circuit of the depth of the blind hole generally according to the blind hole
The thickness of plate 420 is set, such as in the present embodiment, the printed circuit plate thickness is 2 millimeters, and the depth of the blind hole is 1.0
- 1.4 millimeters of millimeter, preferably 1.2 millimeters, then when to take second preset distance be 0.2 millimeter, the institute of the alignment pin 430
The axial length of Part II 432 is stated for 1 millimeter, the certain blind hole depth, the thickness of the printed circuit board (PCB) 420 are in reality
In be not limited to above-mentioned size.
A diameter of 4 millimeters of the Part I 431 of alignment pin 430 described in the present embodiment, axial length is 5 millis
Rice is, it is necessary to illustrate, the diameter of the Part I 431 can be adjusted to according to the space requirement of the positioning substrate 410
Other sizes, are preferred with 3 millimeters -5 millimeters, and during less than the scope, the alignment pin 430 is in machining process and telescopiny
Middle deformation can increase, and unnecessary waste can be caused more than the scope, and the axial length of the Part I is with 4 millimeters -6 millimeters
For preferred.A diameter of 1 millimeter of the Part II 432, axial length be 1 millimeter, certainly, the Part II 432 it is straight
Footpath can be adjusted to other sizes according to the space requirement of the printed circuit board (PCB) 420, be preferred with 1 millimeter -2 millimeters, be less than
During the scope, the processing and fabricating of the Part II 432 has great difficulty, and during more than the scope, correspondence is in the printed circuit
Borehole accuracy when second location hole 421 is made on plate 420 is difficult to meet and requires, the axial length of the Part II is excellent
Elect less than 2 millimeters as.
Alignment pin 430 and location structure according to the present embodiment, when LED module is assembled, can first by the alignment pin
430 are arranged at the drain pan of LED module positions on substrate 410, using interference fit it is good after, printing that lamp plate is included electricity
Road plate 420 is placed on the drain pan, carries out position cooperation using the alignment pin 430 so that lamp plate is positioned on drain pan, is formed
The LED module structure, because the Part I 431 is processed by increase, the alignment pin 430 is pressing into described first
Deformation during location hole 411 is smaller, and is difficult to incline；The first end of Part I 431 and the printed circuit board (PCB) 420 it
Between have certain interval, so as to reduce the interference between the alignment pin 430 and the lamp plate, prevent the alignment pin 430 innings
Rise the lamp plate in portion so that the overall position positioning accurate whole degree of accuracy peace of LED module is ensured that it is flat that realization is spliced
Whole and uniformity.
In above-mentioned 3rd embodiment, it is described positioning substrate 410 at first location hole 411 with the printed circuit board (PCB)
420 directly contacts so that the axial length of the Part I 431 equivalent to first location hole 411 depth with it is described
The difference of the first preset distance, in the fourth embodiment for substituting, such as Fig. 5 is set by carrying out structure to the positioning substrate 510
Meter, it is the sunk part of the first preset distance that for example the upper surface in the position of first location hole 511 sets height so that
The positioning substrate 510 has the described first pre- spacing at first location hole 511 and the printed circuit board (PCB) 520 between
From gap, the first end of the Part I 531 still with the first location hole 511 at the positioning substrate 510 on
Flush, then depth of the axial length of the Part I 531 equivalent to first location hole 511.
It is understood that above-described embodiment is illustrated by taking the location structure on LED module as an example, but the alignment pin
Can also apply on other similar location structures, and accompanying drawing herein, signal is carried out with a location structure and is said
It is bright, and in practice, can also be comprising multiple location structures in a LED module or similar device, structure.
The utility model also provides a kind of light-emitting diode (LED) module, and such as Fig. 8 to Figure 14, wherein Fig. 8 to Figure 11 show basis
The top view of the light-emitting diode (LED) module of the embodiment of the utility model the 5th, front view, sectional view and partial enlarged drawing, in Fig. 8
Line AA the interception position of sectional view is shown, the circle B in Figure 10 shows the amplification position of partial enlarged drawing, and Figure 12 to Figure 14 shows
Light-emitting diode (LED) module according to the embodiment of the utility model the 5th hides front view, side view and the bottom view of drain pan.It is described
Light-emitting diode (LED) module includes：The location structure of drain pan 610, the lamp plate on the drain pan and any of the above embodiment,
Wherein described lamp plate includes printed circuit board (PCB) 620 and light emitting diode thereon, and the drain pan 610 is described for the location structure
Positioning substrate.The location structure includes：Alignment pin 630, the first location hole 611 on the drain pan 610 and located at institute
The second location hole 621 on printed circuit board (PCB) 620 is stated, the location structure for below taking the utility model wherein embodiment is shown
Example property explanation, in the present embodiment, first location hole 611 is groove, and second location hole 621 is blind hole, the positioning
Pin 630 includes：Part I 631 and Part II 632, the Part I 631 include what is be connected with the Part II 632
First end and the second end away from the Part II 632, the Part II 632 include being connected with the Part I 631
Root and the end relative with the root, the Part I 631 is embedded in the first location hole 611 on the drain pan 610,
The Part II 632 is embedded in the second location hole 621 on the printed circuit board (PCB) 620, and the diameter of the Part I 631 is big
In the diameter of the Part II 632.
To understand the alignment pin 630 of the present embodiment and the position relationship of the lamp plate, will be described in Figure 11 to Figure 13
Drain pan 610 is hidden.620 points of the printed circuit board (PCB) that the lamp plate is included is neighboring area and zone line, the alignment pin 630
The neighboring area that can correspond to the printed circuit board (PCB) 620 is set, and certain this neighborhood technique personnel are appreciated that the positioning
The zone line that pin 630 may correspond to the printed circuit board (PCB) 620 is set.One light-emitting diode (LED) module can be correspondingly more
The individual location structure, accordingly, can include multiple alignment pins 630, such as LED die of the hiding drain pan 610 of Figure 13
In the bottom view of block, the present embodiment uses three alignment pins 630, corresponds respectively to the phase of the printed circuit board (PCB) 620 of rectangular shape
Neighboring area to both sides is set, and the precise positioning of the lamp plate and the drain pan 610 is realized by the triangular structure of stabilization.
Printed circuit board (PCB) 620, the shape of drain pan 610 should be not limited to rectangle in the present embodiment, or other
Meaning shape, the quantity of the location structure that the light-emitting diode (LED) module includes should be not limited to three in above-described embodiment
Individual, or other quantity, the light-emitting diode (LED) module should be also not necessarily limited to use the location structure by the drain pan
610 printed circuit board (PCB)s 620 included with the lamp plate are positioned, it would however also be possible to employ the location structure is to similar printed circuit
Plate is positioned with positioning substrate.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
According to embodiment of the present utility model as described above, these embodiments do not have all of details of detailed descriptionthe,
Also it is only described specific embodiment not limit the utility model.Obviously, as described above, many modifications and change can be made
Change.This specification is chosen and specifically describes these embodiments, is to preferably explain that principle of the present utility model and reality should
With so that skilled artisan can repairing using the utility model and on the basis of the utility model well
Change and use.The utility model is only limited by claims and its four corner and equivalent.
Claims (42)
1. a kind of light-emitting diode (LED) module, it is characterised in that including：
Drain pan；
Lamp plate on the drain pan, the lamp plate includes printed circuit board (PCB) and light emitting diode thereon；And
Location structure,
Wherein, the location structure includes：Alignment pin, the first location hole on the drain pan and located at the printing
The second location hole on circuit board,
The alignment pin includes Part I and Part II,
The Part I includes the first end being connected with the Part II and the second end away from the Part II, described
Part II includes the root and the end relative with the root that are connected with the Part I,
The diameter with diameter greater than the Part II of the Part I,
The Part I of the alignment pin is embedded in first location hole, Part II insertion second positioning
Hole.
2. light-emitting diode (LED) module according to claim 1, it is characterised in that the first end of the Part I with
Gap with the first preset distance between the printed circuit board (PCB).
3. light-emitting diode (LED) module according to claim 2, it is characterised in that first preset distance is 0.3 millimeter-
0.5 millimeter.
4. light-emitting diode (LED) module according to claim 2, it is characterised in that the drain pan is at first location hole
With the printed circuit board (PCB) directly contact,
The axial length of the Part I is equivalent to the depth of first location hole and the difference of first preset distance.
5. light-emitting diode (LED) module according to claim 2, it is characterised in that the drain pan is at first location hole
The gap with first preset distance between the printed circuit board (PCB),
Depth of the axial length of the Part I equivalent to first location hole.
6. light-emitting diode (LED) module according to claim 1, it is characterised in that first location hole is through hole or recessed
Groove, second location hole is through hole or blind hole.
7. light-emitting diode (LED) module according to claim 6, it is characterised in that second location hole is blind hole, described
Gap with the second preset distance between the end of Part II and the blind end of the blind hole.
8. light-emitting diode (LED) module according to claim 7, it is characterised in that second preset distance is 0.2 millimeter-
0.5 millimeter.
9. light-emitting diode (LED) module according to claim 1, it is characterised in that the Part I and the Part II
Junction is provided with fillet or chamfering.
10. light-emitting diode (LED) module according to claim 1, it is characterised in that second end of the Part I
Edge is provided with fillet or chamfering, and/or the end edge of the Part II is provided with fillet or chamfering.
11. light-emitting diode (LED) modules according to claim 1, it is characterised in that the axial length of the Part I is 4
- 6 millimeters of millimeter.
12. light-emitting diode (LED) modules according to claim 1, it is characterised in that the axial length of the Part II is 2
Millimeter is following.
13. light-emitting diode (LED) modules according to claim 1, it is characterised in that a diameter of 3 milli of the Part I
- 5 millimeters of rice.
14. light-emitting diode (LED) modules according to claim 1, it is characterised in that a diameter of 1 milli of the Part II
- 2 millimeters of rice.
15. light-emitting diode (LED) modules according to claim 1, it is characterised in that the Part I with described second
Divide coaxial.
16. a kind of location structures, on light-emitting diode (LED) module, it is characterised in that including：
Alignment pin；
The first location hole on positioning substrate；
The second location hole on printed circuit board (PCB),
Wherein, the alignment pin includes Part I and Part II,
The Part I includes the first end being connected with the Part II and the second end away from the Part II, described
Part II includes the root and the end relative with the root that are connected with the Part I,
The diameter with diameter greater than the Part II of the Part I,
The Part I of the alignment pin is embedded in first location hole, Part II insertion second positioning
Hole.
17. location structures according to claim 16, it is characterised in that the first end of the Part I with it is described
Gap with the first preset distance between printed circuit board (PCB).
18. location structures according to claim 17, it is characterised in that first preset distance is 0.3 millimeter -0.5
Millimeter.
19. location structures according to claim 17, it is characterised in that the positioning substrate is at first location hole
With the printed circuit board (PCB) directly contact,
The axial length of the Part I is equivalent to the depth of first location hole and the difference of first preset distance.
20. location structures according to claim 17, it is characterised in that the positioning substrate is at first location hole
The gap with first preset distance between the printed circuit board (PCB),
Depth of the axial length of the Part I equivalent to first location hole.
21. location structures according to claim 16, it is characterised in that first location hole is through hole or groove, institute
The second location hole is stated for through hole or blind hole.
22. location structures according to claim 21, it is characterised in that second location hole is blind hole, described second
Gap with the second preset distance between the partial end and the blind end of the blind hole.
23. location structures according to claim 22, it is characterised in that second preset distance is 0.2 millimeter -0.5
Millimeter.
24. location structures according to claim 16, it is characterised in that the Part I is connected with the Part II
Place is provided with fillet or chamfering.
25. location structures according to claim 16, it is characterised in that second end margin of the Part I sets
There are fillet or chamfering, and/or the end edge of the Part II is provided with fillet or chamfering.
26. location structures according to claim 16, it is characterised in that the axial length of the Part I be 4 millimeters-
6 millimeters.
27. location structures according to claim 16, it is characterised in that the axial length of the Part II is 2 millimeters
Below.
28. location structures according to claim 16, it is characterised in that a diameter of 3 millimeter of -5 milli of the Part I
Rice.
29. location structures according to claim 16, it is characterised in that a diameter of 1 millimeter of -2 milli of the Part II
Rice.
30. location structures according to claim 16, it is characterised in that the Part I is same with the Part II
Axle.
31. a kind of alignment pins, for printed circuit board (PCB) to be positioned at into positioning substrate, it is characterised in that including：
Part I, the Part I includes the first end that is connected with the Part II and away from the Part II the
Two ends；
Part II, the Part II includes the root and the end relative with the root that are connected with the Part I,
Wherein, the diameter with diameter greater than the Part II of the Part I,
The first location hole that the Part I insertion positioning substrate of the alignment pin is provided with, the institute of the alignment pin
State Part II and be embedded in the second location hole that the printed circuit board (PCB) is provided with.
32. alignment pins according to claim 31, it is characterised in that the first end of the Part I and the print
Gap with the first preset distance between printed circuit board.
33. alignment pins according to claim 32, it is characterised in that first preset distance is 0.3 millimeter of -0.5 milli
Rice.
34. alignment pins according to claim 31, it is characterised in that second location hole is blind hole, described second
There is the gap of the second preset distance between the end divided and the blind end of the blind hole.
35. alignment pins according to claim 34, it is characterised in that second preset distance is 0.2 millimeter of -0.5 milli
Rice.
36. alignment pins according to claim 31, it is characterised in that the Part I and the Part II junction
It is provided with fillet or chamfering.
37. alignment pins according to claim 31, it is characterised in that second end margin of the Part I is provided with
Fillet or chamfering, and/or the end edge of the Part II are provided with fillet or chamfering.
38. alignment pins according to claim 31, it is characterised in that the axial length of the Part I is 4 millimeter -6
Millimeter.
39. alignment pins according to claim 31, it is characterised in that the axial length of the Part II be 2 millimeters with
Under.
40. alignment pins according to claim 31, it is characterised in that a diameter of 3 millimeters -5 millimeters of the Part I.
41. alignment pins according to claim 31, it is characterised in that a diameter of 1 millimeter -2 millimeters of the Part II.
42. alignment pins according to claim 31, it is characterised in that the Part I is coaxial with the Part II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088316.1U CN206221991U (en) | 2016-09-28 | 2016-09-28 | Light-emitting diode (LED) module, location structure and alignment pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088316.1U CN206221991U (en) | 2016-09-28 | 2016-09-28 | Light-emitting diode (LED) module, location structure and alignment pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221991U true CN206221991U (en) | 2017-06-06 |
Family
ID=58781975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088316.1U Active CN206221991U (en) | 2016-09-28 | 2016-09-28 | Light-emitting diode (LED) module, location structure and alignment pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506213A (en) * | 2018-10-16 | 2019-03-22 | 宁波绿晟照明科技有限公司 | A kind of stamping forming lamp casing |
| CN112082105A (en) * | 2019-06-12 | 2020-12-15 | 杭州华普永明光电股份有限公司 | Lighting module, manufacturing method thereof and lighting device |
-
2016
- 2016-09-28 CN CN201621088316.1U patent/CN206221991U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506213A (en) * | 2018-10-16 | 2019-03-22 | 宁波绿晟照明科技有限公司 | A kind of stamping forming lamp casing |
| CN109506213B (en) * | 2018-10-16 | 2020-12-29 | 宁波绿晟照明科技有限公司 | Stamping forming's lamps and lanterns casing |
| CN112082105A (en) * | 2019-06-12 | 2020-12-15 | 杭州华普永明光电股份有限公司 | Lighting module, manufacturing method thereof and lighting device |
| CN112082105B (en) * | 2019-06-12 | 2024-03-19 | 杭州华普永明光电股份有限公司 | Lighting module, manufacturing method thereof and lighting device |
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