CN208383925U - A kind of positioning device and test macro - Google Patents
A kind of positioning device and test macro Download PDFInfo
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- CN208383925U CN208383925U CN201820808654.0U CN201820808654U CN208383925U CN 208383925 U CN208383925 U CN 208383925U CN 201820808654 U CN201820808654 U CN 201820808654U CN 208383925 U CN208383925 U CN 208383925U
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Abstract
This application involves a kind of positioning device and test macros, belong to LED component detection field.Present applicant proposes a kind of positioning device, the positioning device includes: the first support, is used to support the positioning device；First rotary components are connected and fixed with first support；And fixation kit, the fixation kit are connected and fixed with first rotary components；Wherein, first rotary components include the first rotary shaft, and the fixation kit realizes rotation by first rotary components.The application is realized by rotary components and is rotated by fixing LED component, realizes the measurement to the entire light spatial distribution of LED component.
Description
Technical field
This application involves a kind of LED component detection devices, more particularly to a kind of positioning device and test macro.
Background technique
Light emitting diode (lightemittingdiode, LED) is used as forth generation light source applications in general lighting field, together
The conventional light sources such as incandescent lamp, fluorescent lamp, either luminous principle, or luminous characteristic, or even the knot including lighting source
Structure and driving etc., there is marked difference.Therefore, LED light source test most important.
As shown in Figure 1, being the concrete structure schematic diagram of existing LED component.LED light source 100 includes light-emitting surface 120, is used for
Fix the shell 140 of light-emitting surface 120 and positive pin 110 and negative pin 130 for connecting external power supply.Light-emitting surface
120 inside are usually fixed with LED luminescence chip and driving circuit.When positive pin 110 and negative pin 130 and outer circuits shape
Behind circuit, light-emitting surface 120 shines.
But due to the uneven and LED component of LED luminescence chip light distribution encapsulation in fluorescent powder coating it is different
Cause, cause current LED component in the spatial distribution of light there are inhomogeneities.And the inhomogeneities of light color spatial distribution is to comment
One highly important index of valence LED component quality.Therefore, it is necessary to detect to all angles of illumination, make defective products
It can be just detected using preceding.It is all each to its since the lighting angle of device is a hemispherical covering surface
Angle measures.
Utility model content
The purpose of the application is to provide a kind of positioning device and test macro, it is intended to solve in the prior art because welding causes
Light-emitting surface inclination, make that duplicate measurements low precision, weld interval are long, lead to the defects of device failure, can be quick and convenient it is real
Now to the measurement of LED component light space distribution information.
In order to solve the above technical problems, the technical solution that the application uses is:
First support；
First rotary components are fixed on first support；And
Fixation kit is arranged on first rotary components, for fixing LED component；
Wherein, first rotary components include at least the first rotary shaft, and first rotary shaft is described solid for driving
Determine component to rotate on the first plane, so that the LED component switches multiple light emitting regions.
In some embodiments, the fixation kit includes heat dissipation to electrical component, and the heat dissipation includes heat dissipation to electrical component
Plate, probe and fixed block, the probe are fixed by the fixed block and the heat sink；One end of the probe respectively with institute
The two electrodes connection for stating LED component, for providing power supply for the LED component.
In some embodiments, the fixation kit includes at least two spring bearer plates, and the spring bearer plate includes fixing
End and telescopic end, the fixing end are arranged in a mutually vertical manner with the telescopic end.
In some embodiments, one end of the heat sink offers through-hole, and the probe and the telescopic end are worn respectively
The through-hole is crossed, the probe and the fixing end are located at the two sides of two electrodes of the LED component.
In some embodiments, the heat dissipation to electrical component further includes refrigeration section, and the refrigeration section includes cooling piece and cold
But block, the heat-absorbent surface of the cooling piece are bonded with the lower surface of the heat sink, the radiating surface of the cooling piece and the cooling
The upper surface of block is bonded, and multiple connectivity slots is equipped with inside the cooling block, coolant liquid is by the connectivity slot in the cooling block
Inside circulation.
In some embodiments, first rotary components include the first rotary shaft, first support and pinboard, described fixed
Position device includes installation base plate, and one end of first rotary shaft and first support are rotatablely connected, first rotary shaft it is another
One end is fixedly connected with the pinboard；The fixation kit is fixed by installation base plate and the pinboard.
In some embodiments, it is rotatablely connected between first rotary shaft and the bracket by Limit screw, it is described
One end of bracket and the first rotation axis connection offers limiting slot, and the Limit screw is by the limiting slot and described the
One rotation axis connection, to realize that first rotary shaft drives the fixation kit in the first plane internal rotation.
In order to solve the above technical problems, the technical solution that the application uses is:
A kind of test macro, for detecting the characteristics of luminescence of LED component, the test macro includes detection components and positioning
Device, it includes detection device and the second rotation group that the detection components, which are disposed adjacent the detection components with the positioning device,
Part, the detection device for detecting the LED component in the spectral information of multiple light emitting regions, use by second rotary components
In driving the detection device to rotate in the second plane, to obtain the light space distribution information of the LED component；
Wherein, the positioning device is foregoing any positioning device.
In some embodiments, the detection components include support rod, the second rotary components and the second support；Described second
Rotary components include driving motor and motor shaft, and second support includes level frame, and the driving motor is fixed on the water
In flatrack；The detection device passes through the support rod and the motor axis connection.
In some embodiments, the detection components further include multiple displacement sensors and sensing chip, the displacement sensing
Device offers notch, and the sensing chip is fixed on the support rod, and the sensing chip follows the support rod described second
Rotation in surface.
The beneficial effect of the application is: it is different from the prior art, a kind of positioning device and test macro that the application proposes,
It realizes by lateralling secure LED component by fixation kit, and by rotary components in the first Plane Rotation；The application simultaneously
It is combined using Water-cooling circulating and semiconductor refrigerating technology, realizes the high junction temperature stability in measurement process；Movement for space
Part is measured, mechanism uses high-precision motor control, realizes the light spatial distribution of nearly 180 degree in the X and Y-direction of the first plane
Curve test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application LED component in the prior art；
Fig. 2 is the structural schematic diagram of one of the application positioning device；
Fig. 3 is the structural schematic diagram of the fixation kit in the application one embodiment；
Fig. 4 is the partial enlarged view of A frame portion point in Fig. 3；
Fig. 5 is the schematic diagram of the section structure of each element in the application one embodiment；
Fig. 6 is a kind of structural schematic diagram for test macro that the application proposes；
Fig. 7 is the structural schematic diagram of the detection components in the application one embodiment；
Fig. 8 is the partial enlarged view in Fig. 7 in B frame.
Specific embodiment
Below by the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model of the application protection
It encloses.
It is worth noting that, the direction term being previously mentioned in the application, for example, "upper", "lower", "front", "rear", " left side ",
" right side ", "inner", "outside", " side " etc. are only the directions with reference to annexed drawings, therefore, the direction term used be in order to it is more preferable,
Be illustrated more clearly that and understand the application, rather than indicate or imply signified device or element must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Existing LED component test device, when measuring LED component, it is necessary to make the light receiving device of its light-emitting surface upward,
LED component could be fixed by making welding LED light source generally require more scolding tin when being soldered to circuit board in this way, so will
Increase manufacturing cost, and fixed during welding with greater need for cost longer time, welding gun high temperature be easy to cause LED component
Encapsulating structure and quality destroy, light-emitting surface also may be because scolding tin and run-off the straight situation, and light receiving device can not completely be received
Light and make measure inaccuracy.
Based on this, as shown in Fig. 2, Fig. 2 is a kind of structural schematic diagram for positioning device that the application proposes.The present embodiment
In, positioning device 200 includes the first support 250, the first rotary components 220 and fixation kit 210.First support 250 includes master
Bracket 251, the secondary support 252 for being installed on main support 251 and being used to reinforce support, and it is mutually solid with workbench (not shown)
Fixed support plate 253.Main support 251 supports entire positioning device, is installed in support plate 253 together with secondary support 252.
Wherein, fixation kit 210 is fixed on the first rotary components 220, for fixing LED component；First rotary components
220 are rotatablely connected with one end of main support 251.Specifically, the first rotary components 220 include the first rotary shaft 221 and difference
It is connected to the pinboard 222 and adapter ring 223 at 221 both ends of the first rotary shaft, adapter ring 223 and main support 251 are fixed, the first rotation
Shaft 221 is rotatablely connected by adapter ring 223 and main support 251, and fixation kit 210 passes through pinboard 222 and the first rotary shaft
221 connections.
When the first rotary components 220 are pivoted about with the first rotary shaft, since LED component is fixed on fixation
On component 210, fixation kit 210 can drive LED component to be rotated, so that LED component is when detecting, it can be same
On one direction of illumination, switch different light emitting regions carry out it is luminous.Thus when the detection device positioned at a direction receives light
When strong information, detection device can receive the light that the different zones of LED component issue.The application can pass through the first rotary components
220 pairs of LED components rotate, so that detection device is easier to obtain the light space distribution information of LED component.
In the present embodiment, one end that main support 251 is connect with the first rotary shaft 221 is equipped with limiting slot 2511, the first rotation
Component 220 further includes Limit screw 224, and Limit screw 224 passes through limiting slot 2511 for main support 251 and the first rotary shaft 221
It is connected and fixed.
It is worth noting that, limiting slot 2511 is also used to adjust the rotation angle of the first rotary shaft 221, Limit screw 224
The tightness of adjustable nut and main support 251.When needing to be adjusted to LED device suitably to rotate angle, need
First the Limit screw 224 connecting with main support 251 is unclamped in rotation, and then rotary shaft drives LED component to rotate to selected angle, then
Screw Limit screw 224.
In some embodiments, 90 degree of rotation angle limiting slot 2511 and limit may be implemented in the first rotary components 220
Screw rod 224 matches, and quantity is 2, and the direction that opens up of limiting slot 2511 is circumferential, the circle that each limiting slot 2511 is constituted
Week is 1/4 circular arc, and is uniformly distributed with the central axis of the first rotary shaft 221.Certainly, the present embodiment only lists the first rotation
Component 220 realizes one kind of rotation mode, and electric and pneumatic mode also can be used, and realizes the rotation of the first rotary components 220
Turn, can be needed that rotation angle is arranged according to test, but belong to the protection scope of the application.
In order to more clearly describe the fixation kit in the present embodiment, referring to FIG. 3, Fig. 3 is the fixation in the present embodiment
The structural schematic diagram of component 210.Fixation kit 210 includes at least two spring bearer plates 211 and heat dissipation to electrical component, and heat dissipation is to electricity
Component includes heat sink 212, probe 213 and fixed block 214, and heat sink 212 includes horizontal part 2121 and vertical portion 2122, LED
Device 100 (see Fig. 4) is fixed on the side of vertical portion 2122 by spring bearer plate 211 vertically, and probe 213 passes through fixed block
214 are fixed on horizontal part 2121, for providing electric current for LED component 100.
Specifically, incorporated by reference to Fig. 3 and Fig. 4 is further regarded to, Fig. 4 is the partial enlarged view of A frame portion point in Fig. 3.Vertical portion
2122 offer through-hole 215, and spring bearer plate 211 includes fixing end 2111 and telescopic end 2112 (see Fig. 3), 2112 He of telescopic end
Probe 213 passes through through-hole 215, fixing end 2111 and probe 213 respectively with the positive pin 110 and negative pin of LED component 100
130 two side contacts.Probe 213 is connected with power supply, and in test, electric current flows through each pin of LED component, so that light-emitting surface 120
It shines.
In some embodiments, telescopic end 2112 can be connect with spring, so as to easily carry out to LED component
Blanking.
When testing, LED component can generate a large amount of heat, if cooled down not in time to LED component, will affect
The service life of test result and LED component.Therefore, please continue to refer to Fig. 2, in the present embodiment, heat dissipation is also wrapped to electrical component
Refrigeration section 230 is included, positioning device 200 further includes installation base plate 240, and refrigeration section 230 is located in fixation kit 210 and installation base
Between plate 240.Installation base plate 240 is connect with pinboard 222, to realize fixation kit 210 and the first rotary components 220
It is connected and fixed.
Specifically, refrigeration section 230 includes multiple radiating elements and cooling system, and cooling liquid cooling is used in this embodiment
But mode, therefore, refrigeration section 230 are additionally provided with the interface 231 for coolant liquid and outer loop.
In order to more clearly describe the structural relation in the present embodiment, referring to Fig. 5, Fig. 5 is each member in the present embodiment
The schematic diagram of the section structure of part.Adapter ring 223 is socketed on one end of the first rotary shaft 221, and connects with the side of main support 251
Touching, caging bolt 224 is connect with the first rotary shaft 221, to realize the rotation connection of main support 251 and the first rotary shaft 221.
And the side of pinboard 222 is connected and fixed with the first rotary shaft 221, the other side is connected and fixed with installation base plate 240, fixation side
Formula uses bolt, but may be integrally formed mode.
Further, fixation kit 210, refrigeration section 230 and installation base plate 240 are stacked, and refrigeration section 230 includes interface
231, cooling piece 232 and cooling block 233, the following table face paste of the horizontal part 2121 of the heat-absorbent surface and heat sink 212 of cooling piece 232
It closes, the radiating surface of cooling piece 232 is bonded with the upper surface of cooling block 233；Connectivity slot 234 is offered inside cooling block 233, it is cooling
Liquid can pass through interface 231, the connectivity slot 234 inside cooling block 233 be flowed through, to have the function that heat dissipation.
In some embodiments, positioning device further includes barn door 260, and the one of refrigeration section 230 is arranged in barn door 260
End, barn door 260 are flushed with the surface of vertical portion 2122.
In some embodiments, temperature sensor can also be set in cooling piece 232, monitor fixation kit 210 in real time
Temperature, so as to adjust the circulation rate of coolant liquid.
The application is laterallyd secure LED component by fixation kit, and by being arranged the first rotary components, LED component can be with
It is rotated around the first rotary shaft, switches different light emitting regions in same direction to realize LED component, so that external
Detection device can preferably receive the spatial characteristics that LED device issues light, improve precision and efficiency of detecting.
Referring to Fig. 6, Fig. 6 is a kind of structural schematic diagram for test macro that the application proposes.In the present embodiment, it tests
System includes detection components 300 and positioning device 200, and detection components 300 are oppositely arranged with positioning device 200；Positioning device
200 include fixation kit 210 and the first rotary components 220, and fixation kit 210 is for fixing LED component；Detection components 300 are wrapped
Detection device (not shown) and the second rotary components 320 are included, detection device is located at the surface of the light-emitting surface of LED component, detection
Device is used to receive the spectral information of the LED component and carries out analysis detection；Fixation kit 210 is existed by the first rotary components
It is rotated in first plane, detection device is rotated in the second plane by second rotary components.
It is the positioning device of above-described embodiment description, specific structure by positioning device 200 in this present embodiment
It will not repeat them here with realization principle.
Through the foregoing embodiment it is found that LED component is pivoted about with the first rotary shaft, and the present embodiment
In, the setting direction of the first rotary shaft is Y-direction, i.e. the first plane be LED component rotate out of and with the first rotary shaft (i.e. side Y
To) vertical plane (parallel with X-Y plane)；And the setting direction of the motor shaft in the second rotary components 320 is X-direction, i.e.,
Second plane is that detection device rotates out of and the plane (with Y-Z plane parallel) vertical with motor shaft (i.e. X-direction).And in X-
In Y-Z coordinate system, X-direction is mutually perpendicular to Y-direction, so, in the present embodiment, the first plane and the second plane are mutually perpendicular to.
Specifically, referring to Fig. 7, Fig. 7 is the structural schematic diagram of detection components in the present embodiment.Detection components 300 include
Detect device (not shown), the second rotary components 310, support rod 320 and the second support 350, wherein the second support 350 includes
Vertical stand 352, the level frame 351 being erected between vertical stand 352, and the bottom plate fixed with the installation of workbench (not shown)
353, the second rotary components 310 are installed in the side of level frame 351；Support rod 320 includes connecting with the second rotary components 310
Link block 323, the first connecting rod 321 being arranged in a mutually vertical manner and the second connecting rod 322, first connecting rod 321 is for fixed inspection
Device is surveyed, the second connecting rod 322 is connect by link block 323 with the second rotary components.
In some embodiments, detection device can be photodiode detector (abbreviation PD), and certainly, other are used for light
The device of electro-detection can apply in the detection components in the application.
Further, incorporated by reference to Fig. 7 and Fig. 8 is further regarded to, Fig. 8 is the partial enlarged view in Fig. 7 in B frame.Second rotation
Component 310 includes driving motor 311 and the motor shaft 312 connecting with driving motor 311, and motor shaft 313 and link block 323 connect
Fixation is connect, to realize that the second rotary components 310 drive detection device to be rotated in the second plane.
In some embodiments, it is fixedly provided with displacement sensor 340 on level frame 351, is additionally provided with sensing chip on link block
342, displacement sensor 340 be equipped with notch 341 so that sensing chip 342 follow the second rotary components 310 rotate when, Ke Yitong
Notch 341 is crossed, displacement sensor 340 receives the signal that sensing chip 342 passes through notch 341.
It is worth noting that, the quantity of displacement sensor 340 is 2, and is in along the second rotary components 310 in the present embodiment
Circumference setting is more than preset angle to control the spectral information of detection device start recording LED component after rotating predetermined angle
The spectral information of LED component is stopped recording after degree.
For example, when sensing chip 342 is by first displacement sensor 341, device start recording spectral information is detected,
When sensing chip 342 is by second displacement sensor 341, spectral information is stopped recording.And between two displacement sensors 340,
It is predetermined angle with the centrical deflection angle of the second rotary components 310, can be adjusted according to the needs in test process.
The working principle of the test macro in the present embodiment is specifically described below.
In this test macro, LED component is fixed on the side of heat sink, and the light-emitting surface of LED component is not that level is put
It sets, but place vertically, the vertex of the light-emitting surface of LED component is and Z overlapping of axles.Detecting device, (such as photodiode is visited
Survey device (abbreviation PD)) top of the fixation kit in positioning device is arranged in by first connecting rod 321, and with LED component
The center overlapping of axles of light-emitting surface.Due to LED component be it is vertical laterally disposed, actually detection device present position is
The edge of the light-emitting surface of LED component.
At this point, LED component rotation, then detecting device can receive in the same direction if detection device is fixed
The spectral information that the light-emitting surface difference fringe region (i.e. in X-Y plane) of LED component issues；If detection device follows the second rotation
Component rotation, LED component is motionless, and according to the deflection angle that displacement sensor is arranged, such as 180 °, then detecting device can be successively
The light-emitting surface of reception LED component is from edge to vertex again to the spectral information in edge (i.e. in the face Y-Z).
By combining the first rotary components and the second rotary components, detection device both can receive light-emitting surface in fixed position
The spectral information of middle X-Y plane can also receive the spectral information in light-emitting surface in the face Y-Z with active rotation, can also compare and
The spectral information under different rotary angle is recorded, to realize the measurement to the entire light spatial distribution of LED component.
In conclusion present applicant proposes a kind of positioning device and test macro, by the way that LED component is passed through fixation kit
It laterallys secure, and is realized by rotary components and rotated in X-Y plane；The application uses Water-cooling circulating and semiconductor refrigerating technology simultaneously
In conjunction with, realize measurement process in high junction temperature stability；For the motion measurement part in space, mechanism uses high-precision motor
Control, realizes the light spatial distribution curve test of nearly 180 degree in X and Y-direction.The application, which overcomes, at present surveys LED component
When examination, because of light-emitting surface inclination caused by welding, makes duplicate measurements low precision, weld interval length, causes the defects of device failure, together
When have structure it is simple, low in cost, simple operation and other advantages.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of positioning device, which is characterized in that the positioning device includes:
First support；
First rotary components are fixed on first support；And
Fixation kit is arranged on first rotary components, for fixing LED component；
Wherein, first rotary components include at least the first rotary shaft, and first rotary shaft is for driving described fixed group
Part rotates on the first plane, so that the LED component switches multiple light emitting regions.
2. positioning device according to claim 1, which is characterized in that the fixation kit includes heat dissipation to electrical component, institute
It includes heat sink, probe and fixed block that heat dissipation, which is stated, to electrical component, and the probe is fixed by the fixed block and the heat sink；
One end of the probe is connect with two electrodes of the LED component respectively, for providing electric current for the LED component.
3. positioning device according to claim 2, which is characterized in that the fixation kit includes at least two elasticity pressures
Plate, the spring bearer plate include fixing end and telescopic end, and the fixing end is arranged in a mutually vertical manner with the telescopic end.
4. positioning device according to claim 3, which is characterized in that one end of the heat sink offers through-hole, described
Probe and the telescopic end are each passed through the through-hole, and the probe and the fixing end are located at the two of the LED component
The two sides of a electrode.
5. positioning device according to claim 2, which is characterized in that the heat dissipation further includes refrigeration section to electrical component, institute
Stating refrigeration section includes cooling piece and cooling block, and the heat-absorbent surface of the cooling piece is bonded with the lower surface of the heat sink, the system
Cold radiating surface is bonded with the upper surface of the cooling block, and multiple connectivity slots are equipped with inside the cooling block, and coolant liquid passes through
The connectivity slot recycles inside the cooling block.
6. positioning device according to claim 1, which is characterized in that first rotary components include the first rotary shaft,
First support and pinboard, the positioning device include installation base plate, and one end of first rotary shaft and first support rotate
Connection, the other end of first rotary shaft are fixedly connected with the pinboard；The fixation kit passes through installation base plate and institute
Pinboard is stated to fix.
7. positioning device according to claim 6, which is characterized in that pass through between first rotary shaft and the bracket
One end of Limit screw rotation connection, the bracket and the first rotation axis connection offers limiting slot, the Limit screw
By the limiting slot and the first rotation axis connection, to realize that first rotary shaft drives the fixation kit first
Plane internal rotation.
8. a kind of test macro, for detecting the characteristics of luminescence of LED component, which is characterized in that the test macro includes detection
Component and positioning device, it includes detection device and that the detection components, which are disposed adjacent the detection components with the positioning device,
Two rotary components, the detection device is for detecting the LED component in the spectral information of multiple light emitting regions, second rotation
Turn component for driving the detection device to rotate in the second plane, to obtain the light space distribution information of the LED component；
Wherein, the positioning device is any positioning device of claim 1 to 7.
9. test macro according to claim 8, which is characterized in that the detection components include support rod, the second support；
Second rotary components include driving motor and motor shaft, and second support includes level frame, and the driving motor is fixed
On the level frame；The detection device passes through the support rod and the motor axis connection.
10. test macro according to claim 9, which is characterized in that the detection components further include multiple displacement sensings
Device and sensing chip, institute's displacement sensors offer notch, and the sensing chip is fixed on the support rod, the sensing chip with
With the support rod in second rotation in surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808654.0U CN208383925U (en) | 2018-05-28 | 2018-05-28 | A kind of positioning device and test macro |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820808654.0U CN208383925U (en) | 2018-05-28 | 2018-05-28 | A kind of positioning device and test macro |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663549A (en) * | 2018-05-28 | 2018-10-16 | 深圳瑞波光电子有限公司 | A kind of positioning device and test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663549A (en) * | 2018-05-28 | 2018-10-16 | 深圳瑞波光电子有限公司 | A kind of positioning device and test system |
| CN108663549B (en) * | 2018-05-28 | 2024-03-26 | 深圳瑞波光电子有限公司 | Positioning device and testing system |
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