KR20150047178A - Apparatus for estimating of lighting device - Google Patents

Abstract

The present invention aims to provide an apparatus for estimating a lighting device, which prevents noise importation of data caused when a test halts in the process of assessing optical efficiency of lighting device and accurately evaluates optical characteristics of the lighting device by removing user errors made by re-measuring. The present invention comprises: a body part including a jig part which fixes an integrating sphere measuring optical performance of the lighting device and the optical device, and measuring the optical performance of the lighting device by moving either the integrating sphere or the jig part so as to insert the lighting device into the integrating sphere in order; the integrating sphere which forms an opening part so as to insert the lighting device installed on the jig part, detects optical information outputted from the lighting device, and transmits the detected information through an optical fiber; and a jig part which has the lighting devices arranged at equal intervals. Therefore, the present invention has advantages of preventing introduction of noise to data caused when a test halts in the process of assessing optical efficiency of lighting device, and accurately evaluating optical characteristics of the lighting device by removing user errors made by re-measuring.

Description

[0001] APPARATUS FOR ESTIMATING OF LIGHTING DEVICE [0002]

The present invention relates to an illuminator evaluating apparatus, and more particularly, to an illuminator evaluating apparatus that prevents noise from being introduced into a data due to an interruption of a test during an optical performance evaluation of an illuminating apparatus to be inspected, To an illumination device evaluation device capable of accurately evaluating the optical characteristics of the illumination device.

The integrating sphere is a spherical device having a hollow portion on the inner side, and is a device that receives light into the hollow portion and measures its characteristics.

In order to measure the light emitted by the LED, for example, using an integrating sphere, a power card is connected to the LED to emit light. For this purpose, a probe card can be used.

Here, a light emitting diode (LED) is a type of light emitting device using a semiconductor that converts electricity into light, which is also referred to as a light emitting diode (LED). The process of measuring the optical characteristics of the LED using an integrating sphere As follows.

First, the integrating sphere is placed on the upper side of the LED, and the probe card is lowered in a state where the probe card is positioned between the integrating sphere and the LED, so that the LED is brought into contact with the LED chip to emit light. And the characteristics are measured.

However, in the process of lowering the probe card, a gap is generated between the probe card and the integrating sphere, and optical loss is generated in the gap, which hinders accurate measurement of optical characteristics.

Korean Patent Registration No. 10-1151216 entitled " Integral sphere unit with probe card, LED chip test apparatus having the same, and LED chip sorting apparatus "), An old unit was proposed.

1, the integrating sphere body 11 is generally spherical in shape and has a probe card portion 13 integrally formed at the lower end thereof, as shown in Fig. 1, And an optical property measuring device 12 is mounted on the side surface of the integrating sphere body 11 so as to measure the characteristics of light collected in the integrating sphere body 11.

However, in the conventional lighting equipment evaluation apparatus, when the lifetime or characteristics of the lighting equipment are evaluated, the test is stopped at predetermined time intervals, and the optical performance using the integral sphere is evaluated. As a result, There is a problem that noise is caused by a change in the condition caused by the noise.

In addition, there is a problem that the optical characteristics of the lighting apparatus can not be accurately evaluated because a user error occurs due to the suspension of the test and the restart of the test.

Korean Registered Patent Publication No. 10-1151216

In order to solve such a problem, the present invention provides a method of evaluating the optical characteristics of an illumination device by preventing noise from being introduced into the data due to the interruption of the test, And an illumination device evaluation device capable of evaluating the illumination device.

According to an aspect of the present invention, there is provided an illuminator evaluating apparatus comprising: an integrating sphere for measuring an optical performance of an illuminating device; and a jig for fixing the illuminating device, A main body for measuring the optical performance of the illumination device by sequentially inserting the device into the integrating sphere; An integrator for forming an opening on one side of the jig for inserting the illuminating device, detecting optical information output from the illuminating device, and transmitting the detected optical information to the main body through an optical fiber; And a jig for allowing the lighting devices to be arranged and fixed at regular intervals.

Further, the main body according to the present invention is characterized in that the lighting device is positioned inside the integrating sphere by moving the jig.

Further, the main body according to the present invention may further include: an input unit for detecting operation setting information and evaluation setting information from a user; A photodetector receiving optical information of a lighting device transmitted from the integrating sphere; The control unit stores the operation setting information and the evaluation setting information detected by the input unit in a storage unit and outputs driving signals of the first motor driver, the second motor driver, the third motor driver, and the lighting apparatus according to the setting information stored in the storage unit A controller for analyzing optical information received through the optical detector and storing the result in the storage unit; A power supply unit for supplying power to the first to third motor driving units and the lighting device according to a driving signal output from the control unit; A storage unit for storing operation setting information and evaluation setting information of the user detected through the input unit and an analysis result of the optical information analyzed by the control unit; A first motor driver configured to move the jig in a horizontal direction according to a driving signal output from the controller; A second motor driver configured to move the jig in a vertical direction according to a driving signal output from the controller; And a third motor driver operative to move the jig in the lateral direction according to the driving signal output from the controller.

Further, the jig according to the present invention includes a plate-shaped jig body portion; A plurality of engaging portions provided at predetermined intervals in the jig body portion to engage with the opening portions of the integrating sphere; And a lamp base installed in the coupling portion and supporting the lighting device to be fixed.

Further, the joining portion according to the present invention is coated with a reflective material on its upper surface, and the reflective material is preferably BaSO4.

The present invention has the advantage of preventing noise from being introduced into the data due to the interruption of the test in the process of evaluating the optical performance of the illumination device to be inspected.

Further, the present invention is advantageous in that the optical characteristics of the lighting apparatus can be accurately evaluated by eliminating the user error by remeasurement.

1 is a perspective view showing an integrating sphere for an optical characteristic evaluating apparatus of a lighting apparatus according to the prior art.
2 is a perspective view showing an illumination device evaluating apparatus according to the present invention.
Fig. 3 is a block diagram showing a configuration of an illumination apparatus evaluating apparatus according to Fig. 2; Fig.
4 is a perspective view showing an integrating sphere of the lighting apparatus evaluating apparatus according to Fig.
FIG. 5 is an exemplary view showing an operation process of the lighting equipment evaluation apparatus according to FIG. 2;
Fig. 6 is an exemplary view showing a combined state of the lighting apparatus evaluating apparatus according to Fig. 2; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, a preferred embodiment of an illuminator evaluation apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view showing a lighting apparatus evaluating apparatus according to the present invention, FIG. 3 is a block diagram showing the configuration of the lighting apparatus evaluating apparatus according to FIG. 2, FIG. 5 is an exemplary view showing an operation process of the lighting apparatus evaluation apparatus according to FIG. 2, and FIG. 6 is an exemplary view showing a combined state of the lighting apparatus evaluation apparatus according to FIG.

2 to 6, the lighting equipment evaluating apparatus 100 according to the present invention can prevent noise from being introduced into the data due to the interruption of the test in the process of evaluating the optical performance of the illuminating equipment to be inspected, An integrating sphere 120 and a jig 140 so as to precisely evaluate the optical characteristics of the lighting device by eliminating user errors caused by the user.

The main body 110 is provided with an integrating sphere 120 for measuring the optical performance of the illuminating device 150 and a jig 140 for fixing the illuminating device 150. The integrating sphere 120, Wherein the illumination unit includes an input unit and an illumination unit that are disposed in the integrating sphere so that the illumination unit is sequentially inserted into the integrating sphere. A control unit 113, a power supply unit 114, a storage unit 115, a first motor drive unit 116, a second motor drive unit 117, a third motor drive unit 117, (118).

The input unit 111 is installed on one side of the main body 110 and includes operation setting information including a position where the jig 140 is moved by the user and measurement time of the measuring target illuminator 150, Data, and the like, and is input means including a switch, a button, a keypad, a keyboard, a mouse, and the like.

The input unit 111 may be integrally provided with the main body 111 or may be separately installed.

The optical detecting unit 112 may be integrally installed in the main body 110 or may be installed separately from the main body 110. The optical detecting unit 112 may include an optical fiber 122 to receive optical information of the illuminating device 150 transmitted from the integrating sphere 120, And the optical information of the illuminating device 150 received by the optical detecting unit 112 is output to the control unit 113.

The optical detector 112 may be a spectrometer or a photodetector. The optical information may include at least one of a luminance, a wavelength, a luminous flux, a luminous intensity, an illuminance, a spectral distribution, a color temperature, .

The control unit 113 stores the operation setting information and the evaluation setting information detected by the input unit 111 in the storage unit 115 and controls the first motor driving unit 116 according to the setting information stored in the storage unit 115. [ The second motor driver 117, the third motor driver 118 and the illuminator 150 and analyzes the optical information received through the optical detector 112 and outputs the result to the storage unit 115, which may be an embedded controller or a PC.

That is, the controller 113 detects operation setting information and evaluation setting information input by the user or any operation information and evaluation information stored in advance, and when the measurement starts, the photodetector 112, The first motor drive unit 116, the second motor drive unit 117, the third motor drive unit 118 and the illumination device 150 are controlled to be synchronized with each other and the jig unit 140 ) Is moved by a predetermined distance in the forward / backward / left / right / upward / downward directions to move the measurement target illumination device 150 to the integrating sphere 120 so that the optical performance of the illumination device 150 .

In addition, power is supplied to the lighting device 150 according to the detected evaluation information, and the optical information detected by the optical detection unit 112 is received, analyzed through a pre-stored optical information analysis program, and the result is output.

In addition, the controller 113 may store the analysis result in the storage unit 115 and output it through a display unit (not shown).

The power supply unit 114 is installed in the main body 110 and operates the first to third motor drivers 116, 117 and 118 and the illuminator 150 according to a driving signal outputted from the controller 113 To provide power.

The storage unit 115 stores operation setting information, evaluation setting information, predetermined operation information, evaluation information, and the like detected by the user through the input unit 111, The analysis results are stored.

The first motor driving unit 116 is installed in the main body 110 and provides a driving force to move the jig 140 in the forward and backward directions along the first guide unit 130 installed on the main body 110 And the jig unit 140 is moved by forward rotation or reverse rotation in accordance with a drive signal output from the control unit 113. [

The second motor driving unit 117 is installed in the main body 110 and provides a driving force to move the jig 140 in the up and down direction along the second guide unit 131 installed on the main body 110 And the jig unit 140 is moved by forward rotation or reverse rotation in accordance with a drive signal output from the control unit 113. [

The third motor driving unit 118 is installed on the main body 110 so that the jig 140 moves in the left and right directions along a third guide unit (not shown) installed on the main body 110 And the jig unit 140 is moved by forward rotation or reverse rotation in accordance with a drive signal outputted from the control unit 113. [

The integrating sphere 120 is a spherical member having an opening 121 formed at one side thereof for inserting the lighting device 150 installed in the jig 140 and detecting optical information output from the lighting device 150 And transmits it to the optical detector 112 of the main body 110 connected through the optical fiber 122.

The jig 140 supports the illuminating devices 150 to be arranged and fixed at predetermined intervals and allows the illuminating device 150 installed in the jig 140 to perform optical measurement in the integrating sphere 120 So that the illumination device 150 is positioned inside the integrating sphere 120 and the jig body 141 and the engaging part 130 are moved along the first guide part 130 and the second guide part 131, 142), and a lamp base (143).

The jig body 141 is a plate-like member and is movable in the forward / backward / left / right / upward / downward directions of the main body 110 according to the operation of the first to third motor drivers 116, 117, .

The coupling portion 142 is a disc-like member provided at a predetermined interval in the jig body portion 141 and has a diameter equal to the diameter of the opening portion 121 so as to mate with the opening portion 121 of the integrating sphere 120.

A lamp base 143 is installed at the center of the coupling part 142 so as to be coupled with the illumination device 150 to be measured.

The coupling part 142 may be formed by applying a reflective material to the surface of the integrating sphere 120 to be inserted into the integrating sphere 120 and preferably applying BaSO4, So that it is possible to prevent the occurrence of an error.

The lamp base 143 is installed at the center of the coupling portion 142 and supports the lighting device 150 to be fixed and simultaneously supplies power to the lamp base 143 and is a socket of the lighting device 150.

Therefore, it is possible to measure the optical performance without interruption in the process of measuring and evaluating the optical performance of the illuminating device to be inspected, to prevent noise from being introduced into the data due to the interruption of the test, It is possible to accurately evaluate the optical characteristics of the device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that

In the course of the description of the embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, , Which may vary depending on the intention or custom of the user, the operator, and the definitions of these terms should be based on the contents throughout this specification.

100: Evaluation apparatus 110:
111: input unit 112:
113: control unit 114: power supply unit
115: storage unit 116: first motor driving unit
117: second motor driver 118: third motor driver
120: integrating sphere 121: opening
122: optical fiber 130: first guide part
131: second guide part 140:
141: jig body part 142:
143: Lamp base 150: Lighting device

Claims (6)

An integrating sphere 120 for measuring the optical performance of the illuminating device 150 and a jig 140 for fixing the illuminating device 150 are installed and one of the integrating sphere 120 or the jig 140 A main body 110 for measuring the optical performance of the illumination device 150 by sequentially inserting the illumination device 150 into the integrating sphere 120;
An opening 121 is formed in one side of the jig 140 so as to insert the lighting device 150. The optical information output from the lighting device 150 is detected to be detected through the optical fiber 122, 110) < / RTI > And
And a fixture (140) for fixing and fixing the lighting devices (150) at regular intervals.
The method according to claim 1,
Wherein the body part (110) moves the jig part (140) so that the lighting device (150) is positioned inside the integrating sphere (120).
3. The method of claim 2,
The main body 110 includes an input unit 111 for detecting operation setting information and evaluation setting information from a user;
A photodetector 112 for receiving the optical information of the illumination device 150 transmitted from the integrator 120;
And stores the operation setting information and the evaluation setting information detected by the input unit 111 in the storage unit 115 and controls the first motor driving unit 116 and the second motor driving unit 115 according to the setting information stored in the storage unit 115. [ The second motor driver 118 and the illuminator 150 and analyzes the optical information received through the optical detector 112 and stores the result in the storage unit 115 A control unit 113;
A power supply 114 for supplying power to the first to third motor drivers 116, 117 and 118 and the lighting device 150 according to a driving signal outputted from the controller 113;
A storage unit 115 for storing operation setting information and evaluation setting information of the user detected through the input unit 111 and analysis results of the optical information analyzed by the control unit 113;
A first motor driver 116 that operates to move the jig 140 in the forward and backward directions according to a driving signal output from the controller 113;
A second motor driver 117 that operates to move the jig 140 in the vertical direction according to a driving signal output from the controller 113; And
And a third motor driver (118) operating to move the jig (140) in the left and right direction according to a driving signal outputted from the controller (113).
The method according to claim 1,
The jig 140 includes a plate-shaped jig body 141;
A plurality of engaging portions 142 provided at predetermined intervals in the jig body portion 141 to engage with the openings 121 of the integrating sphere 120; And
And a lamp base (143) installed on the coupling portion (142) and supporting the lighting device (150) to be fixed.
5. The method of claim 4,
Wherein the coupling portion (142) is coated with a reflective material on the upper surface thereof.
6. The method of claim 5,
Wherein the reflective material is BaSO4.

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