CN112362312A - Fixing device, testing system and fixing method for LED surface-mounted lamp beads - Google Patents
Fixing device, testing system and fixing method for LED surface-mounted lamp beads Download PDFInfo
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- CN112362312A CN112362312A CN202011467302.1A CN202011467302A CN112362312A CN 112362312 A CN112362312 A CN 112362312A CN 202011467302 A CN202011467302 A CN 202011467302A CN 112362312 A CN112362312 A CN 112362312A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
- G01M11/0214—Details of devices holding the object to be tested
Abstract
The invention provides a fixing device, a testing system and a fixing method of an LED patch lamp bead, and belongs to the technical field of lamp bead testing. The fixing device comprises a base for placing the LED patch lamp beads, wherein the base is provided with an air suction hole and an air suction channel for sucking air; the air suction device is used for sucking the LED surface mounted lamp beads and is connected with an air suction channel of the base through a pipeline; the air outlet part is a part made of transparent materials, an air passage for ventilation is arranged in the air outlet part, a plurality of air outlet through holes are formed in the bottom of the air outlet part, the air passage is communicated with the through holes, the air outlet part is arranged above the position, opposite to the base, of the base, and air discharged from the through holes is blown to the base; and the blowing device is used for blowing air to the air outlet piece and is connected with an air passage of the air outlet piece through a pipeline.
Description
Technical Field
The invention relates to the technical field of lamp bead testing, in particular to a fixing device, a testing system and a fixing method of an LED patch lamp bead.
Background
An LED patch lamp bead needs to be subjected to various tests from production to marketing, wherein the tested parameters comprise optical parameters and electrical parameters, and the optical parameters comprise: relative spectral power distribution, chromaticity coordinates, correlated color temperature, color tolerance, luminous flux, color rendering index, color rendering quality number (CQS), peak wavelength, dominant wavelength, color purity, and the like; the electrical parameters include: voltage, current, power, etc.
In the prior art, for the LED patch lamp bead with pins arranged on the side surfaces of the LED patch lamp bead, a clamping scheme is generally adopted, wherein the clamping scheme is that two clamping bodies are used for clamping the LED patch lamp bead, electrode plates are arranged on the clamping bodies, the clamping bodies clamp the LED patch lamp bead, and simultaneously the electrode plates are used for carrying out electrical parameter tests on the pins on the side surfaces of the LED patch lamp bead, however, the pins cannot extend from the side surfaces of the LED patch lamp bead with some special structures, for the LED patch lamp bead with the special structure, the pins are generally arranged at the bottom of the LED patch lamp bead, and in case that the pins are arranged at the bottom of the LED patch lamp bead, the clamping scheme cannot be used, for the purpose, a base vacuum adsorption mode is invented, wherein the base vacuum adsorption mode is that an adsorption hole is arranged on a base for placing the LED patch lamp bead, and the adsorption hole is connected with an air suction, the getter device produces suction and adsorbs LED paster lamp pearl on the base, and the probe that is provided with the liftable simultaneously on the base carries out the electrical parameter test to the pin of LED paster lamp pearl bottom, but, when touchhing some less LED paster lamp pearls, adsorbs the hole can not be fine and adsorbs LED paster lamp pearl to lead to adsorbing insecure, lead to testing unstability.
The applicant of the present invention finds that the prior art has at least the following technical problems:
when some less LED paster lamp pearls are touched among the prior art, adsorb LED paster lamp pearl that the hole can not be fine to lead to adsorbing insecure, lead to the unstable technical problem of test.
Disclosure of Invention
The embodiment of the invention provides a fixing device, a testing system and a fixing method of LED patch lamp beads, and solves the technical problems that in the prior art, when some smaller LED patch lamp beads are encountered, adsorption holes cannot well adsorb the LED patch lamp beads, so that the adsorption is not firm, and the test is not stable.
In view of the foregoing problem, in a first aspect, an embodiment of the present invention provides a fixing device for an LED patch lamp bead, where the fixing device includes: the base is used for placing the LED surface-mounted lamp beads, and an air suction hole and an air suction channel for sucking air are formed in the base; the air suction device is used for sucking the LED surface mounted lamp beads and is connected with the air suction channel of the base through a pipeline; the air outlet part is a part made of transparent materials, an air passage for ventilation is arranged in the air outlet part, a plurality of air outlet through holes are formed in the bottom of the air outlet part, the air passage is communicated with the through holes, the air outlet part is arranged above the position opposite to the base, the through holes are arranged opposite to the base, and air discharged from the through holes blows towards the base; and the blowing device is used for blowing air to the air outlet piece and is connected with an air passage of the air outlet piece through a pipeline.
Preferably, the fixing device further comprises a mechanical arm, wherein the mechanical arm is used for absorbing the LED patch lamp beads and moving the LED patch lamp beads to the designated position.
Preferably, an adjusting device is further connected between the blowing device and the air passage of the air outlet member, and the adjusting device is used for adjusting the air outlet size of the air outlet member.
Preferably, a valve is further connected between the blowing device and the air passage of the air outlet member, and the valve is used for stopping the air blown out by the blowing device.
Preferably, the fixing device further comprises a rotating device, the base is fixedly arranged above the rotating device, and the rotating device is used for enabling the base to move away from the relative position of the air outlet piece.
Preferably, the fixing device further comprises an integrating sphere and a spectrometer, the integrating sphere is used for testing the LED surface mounted lamp beads and connected with the spectrometer through an optical fiber, a light receiving hole is formed in the bottom of the integrating sphere, and the air outlet part is arranged below the light receiving hole in a relative mode.
Preferably, the base still is provided with probe hole and probe passageway, probe hole with the coplanar of base is seted up to the suction opening, probe passageway with probe hole switches on, wherein be provided with the liftable probe in the probe passageway, the probe is connected with the tester electricity, the tester is used for right the circuit of LED paster lamp pearl tests.
Preferably, the number of the probe holes is two, and two probes are arranged in each probe hole.
In a second aspect, an embodiment of the present invention provides a test system for an LED patch lamp bead, including a fixing device as described in the above aspect.
In a third aspect, an embodiment of the present invention provides a method for fixing an LED patch lamp bead, where the method is applied to a fixing device as described in the above aspect, and the method includes:
placing the LED surface-mounted lamp beads on the base, wherein the LED surface-mounted lamp beads are positioned at the air suction holes of the base; the air suction device is turned on, the air suction device enables the air suction holes to generate suction force, and the air suction holes tightly suck the LED patch lamp beads on the base; and opening the air blowing device, wherein the air blowing device enables the air blowing holes of the air outlet piece to generate blowing force, the air outlet piece blows air to the LED patch lamp beads, and the LED patch lamp beads are tightly attached to the base through the blowing force generated by the air outlet piece.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
the embodiment of the invention provides a fixing device for an LED patch lamp bead, which comprises: when the LED surface-mounted lamp bead air blowing device is used, the air suction device enables the air suction holes to generate suction through the air suction channel, the air suction holes adsorb the LED surface-mounted lamp beads, the air blowing device blows air to the air outlet piece, the air outlet piece blows air to the LED surface-mounted lamp beads, the LED surface-mounted lamp beads are further fixed on the base, the air outlet piece is made of transparent materials, the transparent air outlet piece is used for not influencing the optical performance test of the LED surface-mounted lamp beads in the air blowing and fixing process, stable adsorption is guaranteed by adopting the air blowing and sucking combination mode, the test accuracy is guaranteed, and the problem that when some smaller LED surface-mounted lamp beads are touched is solved, the LED paster lamp pearl is adsorbed to the absorption hole can not be fine to lead to adsorbing insecure, lead to the unstable technical problem of test.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of a fixing device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a through hole structure of the air outlet member according to the embodiment of the present invention;
FIG. 3 is a top view of a base in an embodiment of the invention;
fig. 4 is a flowchart of a method for fixing an LED patch lamp bead according to an embodiment of the present invention.
Description of reference numerals: 100. a base; 110. a suction hole; 120. an air suction passage; 200. a suction device; 300. an air outlet member; 310. an airway; 320. a through hole; 400. a blowing device; 500. an adjustment device; 600. a valve; 700. an integrating sphere; 710. a light-receiving hole; 800. a spectrometer; 900. a probe; 910. and (4) a tester.
Detailed Description
The embodiment of the invention provides a fixing device, a testing system and a fixing method of LED patch lamp beads, which are used for solving the technical problems that when some smaller LED patch lamp beads are encountered, adsorption holes cannot well adsorb the LED patch lamp beads, so that the adsorption is not firm, and the test is not stable in the prior art.
The technical scheme provided by the invention has the following general idea:
the fixing device includes: the LED lamp comprises a base 100 for placing LED patch lamp beads, wherein the base 100 is provided with an air suction hole 110 and an air suction channel 120 for sucking air; the air suction device 200 is used for sucking the LED patch lamp beads, and the air suction device 200 is connected with the air suction channel 120 of the base 100 through a pipeline; the air outlet part 300 is used for blowing air to the LED patch lamp bead, the air outlet part 300 is made of a transparent material, an air passage 310 for ventilation is arranged in the air outlet part 300, a plurality of air outlet through holes 320 are formed in the bottom of the air outlet part 300, the air passage 310 is communicated with the through holes 320, the air outlet part 300 is arranged above the position, opposite to the base 100, of the base 100, the through holes 320 are arranged opposite to the base 100, and air discharged from the through holes 320 is blown to the base 100; the blowing device 400 is used for blowing air to the air outlet piece 300, the blowing device 400 is connected with an air passage 310 of the air outlet piece 300 through a pipeline, when the blowing device is used, the air suction device 200 enables the air suction holes 110 to generate suction through the air suction channel 120, the air suction holes 110 absorb LED paster lamp beads, meanwhile, the blowing device 400 blows air to the air outlet piece 300, the air outlet piece 300 blows air to the LED paster lamp beads, so that the LED paster lamp beads are further fixed on the base 100, the air outlet piece 300 is made of transparent materials, the transparent air outlet piece 300 is used for not influencing the optical performance test of the LED paster lamp beads in the blowing and fixing process, stable adsorption is guaranteed by adopting the blowing and sucking combination mode, the test accuracy is guaranteed, and the problem that the LED paster lamp beads cannot be well adsorbed by adsorption holes when some smaller LED paster lamp beads are touched is solved, thereby causing the technical problems of weak adsorption and unstable test.
It should be understood that in the embodiment of the present invention, the integrating sphere is a hollow sphere whose inner wall is coated with white diffuse reflection material, which is also called photometric sphere, light-passing sphere, etc., and the wall of the sphere is opened with one or more windows for light inlet and receiving hole for light receiving device, and the inner wall of the integrating sphere should be a good sphere, and it is usually required that its deviation from the ideal sphere should be no more than 0.2% of the inner diameter. The inner wall of the integrating sphere is coated with an ideal diffuse reflection material, namely a material with a diffuse reflection coefficient close to 1, the commonly used material is magnesium oxide or barium sulfate, the magnesium oxide or barium sulfate is uniformly mixed with a colloid adhesive and then sprayed on the inner wall, the spectral reflectance of the magnesium oxide coating in a visible spectrum range is over 99 percent, thus, light entering the integrating sphere is reflected for multiple times through the inner wall coating to form uniform illumination on the inner wall, in order to obtain higher measurement accuracy, the aperture ratio of the integrating sphere is as small as possible, and the aperture ratio is defined as the ratio of the spherical area at the aperture of the integrating sphere to the area of the inner wall of the whole sphere.
It should be understood that, in the embodiment of the present invention, the spectrometer (spectrum) is a scientific instrument that decomposes light with complex components into spectral lines, and is composed of a prism or a diffraction grating, etc., and the spectrometer can measure light reflected by a surface of an object, seven colors of sunlight are visible light that can be divided by naked eyes, but if the spectrometer decomposes sunlight and arranges the sunlight according to wavelengths, the visible light occupies a small range of the spectrum, and the rest is a spectrum that cannot be distinguished by naked eyes, such as infrared rays, microwaves, ultraviolet rays, X-rays, etc. The optical information is captured by a spectrometer, developed by a photographic negative film, or displayed and analyzed by a computerized automatic display numerical instrument, so that the element contained in the article can be detected. The technology is widely applied to detection of air pollution, water pollution, food sanitation, metal industry and the like, for example, a CMS-3000S high-precision rapid spectrum analysis system adopts a world advanced holographic flat field concave grating and a high-performance linear CCD array detector with electronic shutter control to realize extremely low stray light and a wide linear dynamic measurement range. The device has the advantages of high repeatability and stability, capability of simultaneously realizing millisecond-level testing speed and the measuring precision of the traditional mechanical spectrometer, high measuring speed, convenience in use, high sensitivity, long service life, high reliability, no mechanical abrasion, small size and the like, is mainly applied to product quality control and batch production detection, is also suitable to be used as laboratory research equipment, can simultaneously realize millisecond-level measuring speed and the measuring precision of the traditional mechanical spectrometer, and is used for high-precision measurement of light color parameters such as spectrum, color, luminous flux and the like of various light sources such as LED (light emitting diode) and LED lamps.
It should be understood that, in the embodiment of the present invention, the Kelvin connections (also called forced and sense connections) is a simple method for eliminating the influence of the voltage drop generated on the wires in the circuit, wherein the Kelvin connection structure with four pins can eliminate the influence of the voltage drop at two ends of the resistor, and if a two-pin probe is used in a very precise current detection circuit, the influence of the voltage drop at two ends of the resistor pin on the detection value cannot be eliminated.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to fig. 3, an embodiment of the fixing device for an LED patch lamp bead of the present invention includes: the LED lamp comprises a base 100 for placing LED patch lamp beads, an air suction device 200 for sucking the LED patch lamp beads, an air outlet piece 300 for blowing air to the LED patch lamp beads, and an air blowing device 400 for blowing air to the air outlet piece 300.
A suction hole 110 and suction channel 120 for placing LED paster lamp pearl are provided with on the base 100 for placing LED paster lamp pearl, and wherein suction hole 110 switches on with suction channel 120, and suction hole 110 sets up in a side of base 100, and suction channel 120 sets up in the inside of base 100, and the suction hole is used for adsorbing fixedly to LED paster lamp pearl.
Further, please refer to fig. 3, a probe hole and a probe channel are further arranged on the base 100, the probe hole and the suction hole are arranged on the same plane of the base 100, the probe channel is communicated with the probe hole, a liftable probe 900 is arranged in the probe channel, the probe 900 is electrically connected with a tester 910, the tester 910 is used for testing a circuit of the LED patch lamp bead, the liftable mode of the probe can be realized by adopting an electric push rod, when the LED patch lamp bead is actually used, a pin of the LED patch lamp bead is aligned to the probe hole, and then the probe 900 is lifted to be electrically connected with the pin of the LED patch lamp bead, so that the LED patch lamp bead is subjected to electrical parameter testing.
Further, referring to fig. 3, the number of the probe holes is two, two probes 900 are disposed in each probe hole, when the electrical parameter test is performed on the LED patch lamp bead by the kelvin connection method, the kelvin connection structure with four pins can eliminate the influence of the voltage drop at two ends of the resistor, if the two-pin probe is used in a very precise current detection circuit, the influence of the voltage drop at two ends of the resistor pin on the detection value cannot be eliminated, because the resistance values of the contact resistor and the pin may be larger than the resistance value of the resistor itself in the current detection circuit, if the two-pin probe is used, the error caused by the pin influence may be very large, and the kelvin connection method with four pins needs four probes 900 to be implemented, so that the number of the probe holes is two, two probes 900 are disposed in each probe hole, and four probes 900 are disposed in total.
The air suction device 200 is used for sucking LED patch lamp beads, the air suction device 200 is connected with the air suction channel 120 of the base 100 through a pipeline, the air suction device has an air suction function, and when the air suction device 200 works, suction holes 110 can generate suction.
Referring to fig. 1 and 2, the entire air outlet member 300 is transparent and made of a transparent material, such as glass, PMMA, PS, PC, etc., the transparent air outlet member 300 is used for not affecting the optical performance test, an air passage 310 is disposed inside the air outlet member 300, a plurality of air outlet through holes 320 are disposed at the bottom of the air outlet member 300, the air passage 310 is communicated with the through holes 320, wherein the air outlet member 300 is disposed above the base 100, the through holes 320 are disposed opposite to the base 100, air from the through holes 320 blows toward the base 100, when the air outlet member 300 is actually used, air is ejected from the through holes 320, the air ejected from the through holes 320 is directed at the base, so that the LED mounted lamp beads on the base are pressed against the base by the air ejected downward, and meanwhile, the downward suction force generated by the air suction holes 110, LED paster lamp pearl is further fixed on the base, through adopting this kind of mode of blowing and sucking combination, guarantees to stabilize and adsorbs to guarantee that the test is accurate, solved when touchhing some less LED paster lamp pearls, adsorb the hole and can not be fine adsorb LED paster lamp pearl, thereby lead to adsorbing insecure, lead to testing unstable technical problem.
Referring to fig. 1 and 2, the blowing device 400 is connected to the air channel 310 of the air outlet 300 through a pipe, wherein the blowing device 400 is a gas source of the gas emitted from the air outlet 300, the blowing device 400 can provide compressed air with stable pressure for an air compressor, the gas emitted from the blowing device 400 is left in the air channel 310 in the air outlet 400 through the pipe, the gas is emitted from the through holes 320 through the air channel 310, and thus the LED chip lamp beads on the base 100 are pressed on the base 100 by the downward emitted gas.
Further, an adjusting device 500 is connected between the air blowing device 400 and the air passage 310 of the air outlet member 300, the adjusting device 500 is used for adjusting the air outlet size of the air outlet member 300, the adjusting device 500 can adopt an adjusting valve, the wind power blown out from the air outlet member 300 can be freely adjusted by using the adjusting device 500, the wind power is selected according to the actual condition of a user, and the use is convenient.
Further, a valve 600 is connected between the air blowing device 400 and the air channel 310 of the air outlet member 300, and the valve 600 is used for stopping the air blown out by the air blowing device 400, wherein the valve 600 can be an electromagnetic valve, and when an emergency situation occurs and the air blown out by the air outlet member 300 needs to be stopped immediately, the ventilated pipeline can be stopped in a short time by using the valve 600, so that the air blown out by the air outlet member 300 is stopped.
In a more preferred embodiment, a fixing device for LED paster lamp pearls further comprises mechanical arms, wherein the mechanical arms are used for absorbing the LED paster lamp pearls and moving the LED paster lamp pearls to an appointed position, when the fixing device is in actual use, an operator places the LED paster lamp pearls on a feeding station in batches, the mechanical arms absorb the LED paster lamp pearls through suckers and place the LED paster lamp pearls on the base 100, when unqualified products are detected, the mechanical arms move the unqualified products to a waste product station, and when the qualified products are detected, the mechanical arms move the qualified products to a discharging station.
Further, a fixing device of LED paster lamp pearl still includes rotating device, base 100 fixed set up in the rotating device top, rotating device is a revolving stage, and rotating device drives base 100 and rotates, and rotating device is used for making base 100 removes the relative position who leaves out gas piece 300, still is provided with a plurality of bases on the wherein rotating device, has detected the product on a base at every turn after, and rotating device takes the base to rotate and removes the relative position who leaves out gas piece 300, and next base takes next product to get into the relative below of gas piece 300 to detect next product to next base, and last detection product gets into next detection station along with the rotation of last base and detects simultaneously, and detection efficiency is higher.
Further, the fixing device for the LED patch lamp beads further comprises an integrating sphere 700 and a spectrometer 800, the integrating sphere 700 is connected with the spectrometer 800 through an optical fiber, a light receiving hole 710 is formed in the bottom of the integrating sphere 700, the air outlet piece 300 is arranged below the light receiving hole 710, the light receiving hole 710 is used for guiding light, the integrating sphere 700 is used for testing optical parameters of the LED patch lamp beads, the transparent air outlet piece 300 is used for not influencing the optical performance test, when the fixing device is in actual use, the LED patch lamp beads are located below the light receiving hole 710 of the integrating sphere, the integrating sphere moves downwards, and the spectrometer tests the optical performance and the optical parameters.
Example two
A testing system according to an embodiment of the present invention includes a fixing device as described in the first embodiment, and various modifications and embodiments in the first embodiment are also applicable to the testing system according to the present embodiment.
EXAMPLE III
Fig. 4 is a flowchart of a method for fixing an LED patch lamp bead according to an embodiment of the present invention, where the method includes:
s100, placing the LED patch lamp beads on the base, wherein the LED patch lamp beads are positioned at the air suction holes of the base;
s200, the air suction device is turned on, the air suction device enables the air suction holes to generate suction force, and the LED patch lamp beads are tightly sucked on the base through the air suction holes;
s300, the blowing device is turned on, the blowing device enables blowing holes of the air outlet piece to generate blowing force, the air outlet piece blows air to the LED patch lamp beads, and the LED patch lamp beads are tightly attached to the base through the blowing force generated by the air outlet piece.
Particularly, when in actual use, through placing LED paster lamp pearl on the base, LED paster lamp pearl is located the suction hole department of base, open the getter device this moment, the getter device makes the suction hole produce suction, make LED paster lamp pearl adsorb on the base, open gas blowing device simultaneously, the gas that gas blowing device blew out blows off a vertical decurrent gas through the piece of giving vent to anger for LED paster lamp pearl further pastes tightly on with the base, through adopting this kind of method of blowing and sucking combination, guarantee to adsorb stably, thereby guarantee that the test is accurate.
In summary, one or more of the above technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
in a fixing device, a testing system and a fixing method of an LED patch lamp bead provided in an embodiment of the present invention, the fixing device includes: when the LED surface mount device is used, the air suction device 200 enables the air suction holes 110 to generate suction through the air suction channel 120, the air suction holes 110 adsorb the LED surface mount device beads, the air blowing device 400 blows air to the air outlet 300, the air outlet 300 blows air to the LED surface mount device beads, the LED surface mount device beads are further fixed on the base 100, the air outlet 300 is made of transparent materials, optical parameter testing of the LED surface mount device beads is not affected in the air blowing and fixing process, stable adsorption is guaranteed by adopting the blowing and sucking combined mode, testing accuracy is guaranteed, and the problem that when the LED surface mount device beads touch small LED surface mount devices is solved, the LED paster lamp pearl is adsorbed to the absorption hole can not be fine to lead to adsorbing insecure, lead to the unstable technical problem of test.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. The utility model provides a fixing device of LED paster lamp pearl which characterized in that, fixing device includes:
the LED lamp holder comprises a base (100) used for placing LED patch lamp beads, wherein an air suction hole (110) and an air suction channel (120) used for sucking air are formed in the base (100);
the air suction device (200) is used for sucking the LED patch lamp beads, and the air suction device (200) is connected with an air suction channel (120) of the base (100) through a pipeline;
the air outlet piece (300) is used for blowing air to the LED patch lamp bead, the air outlet piece (300) is made of a transparent material, an air passage (310) for ventilation is arranged inside the air outlet piece (300), a plurality of air outlet through holes (320) are formed in the bottom of the air outlet piece (300), the air passage (310) is communicated with the through holes (320), the air outlet piece (300) is arranged above the position, opposite to the base (100), of the air outlet piece, the through holes (320) are arranged opposite to the base (100), and air discharged from the through holes (320) is blown to the base (100);
the air blowing device (400) is used for blowing air to the air outlet piece (300), and the air blowing device (400) is connected with an air channel (310) of the air outlet piece (300) through a pipeline.
2. The fixture of claim 1, further comprising a mechanical arm configured to suck up the LED patch lamp bead and move the LED patch lamp bead to a designated position.
3. The fixing device according to claim 1, wherein an adjusting device (500) is further connected between the blowing device (400) and the air passage (310) of the air outlet member (300), and the adjusting device (500) is used for adjusting the air outlet size of the air outlet member (300).
4. The fixing device according to claim 1, wherein a valve (600) is further connected between the blowing device (400) and the air passage (310) of the air outlet member (300), and the valve (600) is used for stopping the air blown by the blowing device (400).
5. A fixture according to claim 1, further comprising a rotating device, wherein said base (100) is fixedly arranged above said rotating device, said rotating device is used for moving said base (100) away from the relative position of said air outlet member (300).
6. The fixing device according to claim 1, further comprising an integrating sphere (700) and a spectrometer (800) for testing the LED patch lamp bead, wherein the integrating sphere (700) is connected with the spectrometer (800) through an optical fiber, a light receiving hole (710) is formed in the bottom of the integrating sphere (700), and the air outlet member (300) is arranged relatively below the light receiving hole (710).
7. The fixing device according to claim 1, wherein the base (100) is further provided with a probe hole and a probe channel, the probe hole and the suction hole are arranged on the same plane of the base (100), the probe channel is communicated with the probe hole, a liftable probe (900) is arranged in the probe channel, the probe (900) is electrically connected with a tester (910), and the tester (910) is used for testing a circuit of the LED patch lamp bead.
8. A fixture according to claim 7, wherein the number of probe wells is two, and two probes (900) are provided in each probe well.
9. A test system for LED patch lamp beads, comprising the fixture of any one of claims 1-8.
10. A method for fixing an LED patch lamp bead, which is applied to the fixing device of any one of claims 1 to 8, the method comprising:
placing the LED surface-mounted lamp beads on the base, wherein the LED surface-mounted lamp beads are positioned at the air suction holes of the base;
the air suction device is turned on, the air suction device enables the air suction holes to generate suction force, and the air suction holes tightly suck the LED patch lamp beads on the base;
and opening the air blowing device, wherein the air blowing device enables the through hole of the air outlet piece to generate blowing force, the air outlet piece blows air to the LED patch lamp bead, and the LED patch lamp bead is tightly attached to the base through the blowing force generated by the air outlet piece.
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| CN202011467302.1A CN112362312B (en) | 2020-12-14 | 2020-12-14 | Fixing device, testing system and fixing method for LED surface-mounted lamp beads |
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| CN202011467302.1A CN112362312B (en) | 2020-12-14 | 2020-12-14 | Fixing device, testing system and fixing method for LED surface-mounted lamp beads |
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| CN112362312B CN112362312B (en) | 2021-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010926A (en) * | 2021-08-25 | 2022-02-08 | 河北华胜科技有限公司 | Plaster bead spraying mechanism |
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