CN210774377U

CN210774377U - High-precision color temperature and brightness detection device for light-emitting diode

Info

Publication number: CN210774377U
Application number: CN201922137868.7U
Authority: CN
Inventors: 张炼; 刘胜斌
Original assignee: Shenzhen Chuangda Electronics Co ltd
Current assignee: Shenzhen Chuangda Electronics Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-06-16
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a high accuracy emitting diode colour temperature luminance detection device, detect button, luminance detection button, 1k key, 10k key, 100k key and thermistor inductor including detection device body, display screen, emitting diode socket, USB socket, power button, colour temperature, detection device body surface is provided with the display screen, the emitting diode socket sets up in the top of detection device body, USB socket sets up in the right side wall lower extreme of detection device body, power button, colour temperature detect button, luminance detection button, 1k key, 10k key, 100k key set gradually in the left side wall of detection device body from top to bottom, the thermistor inductor is inlayed in the rear portion of detection device body. The utility model discloses can accurately detect emitting diode's colour temperature and luminance high-efficiently, have easy operation, with low costs, advantage that test speed is fast, be applicable to emitting diode's real-time detection.

Description

High-precision color temperature and brightness detection device for light-emitting diode

Technical Field

The utility model relates to a emitting diode technical field specifically is a high accuracy emitting diode's colour temperature luminance detection device.

Background

Light emitting diodes are referred to as LEDs for short. Is made of a compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc. When electrons and holes are recombined, visible light is radiated, so that the light-emitting diode can be manufactured. In circuits and instruments as indicator lights or to form text or numerical displays. Gallium arsenide diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and gallium nitride diodes emit blue light. Organic light emitting diodes OLED and inorganic light emitting diodes LED are classified by their chemical properties. Most of the existing color temperature and brightness detection devices for light emitting diodes use instruments such as a spectrometer, a photometer, an integrating sphere, etc., which have the advantage of high measurement accuracy, but also have some disadvantages, such as: the instrument has complex structure, complex operation, slow testing speed and the like; and each instrument needs to be purchased separately, and the cost of a single machine is high.

Therefore, how to design a color temperature and brightness detection device with high integration and high precision for a light emitting diode has become a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy emitting diode colour temperature luminance detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high accuracy emitting diode colour temperature luminance detection device, includes detection device body, display screen, emitting diode socket, USB socket, power button, colour temperature detection button, luminance detection button, 1k key, 10k key, 100k key and thermistor inductor, detection device body surface is provided with the display screen, the emitting diode socket sets up in the top of detection device body, the USB socket sets up in the right side wall lower extreme of detection device body, power button, colour temperature detection button, luminance detection button, 1k key, 10k key, 100k key set gradually in the left side wall of detection device body from top to bottom, the thermistor inductor is inlayed in the rear portion of detection device body.

Further, the display screen is electrically connected with the computer through a USB interface, and the CS-80960 singlechip of the computer generates data and displays the data through the display screen.

Further, the light emitting diode socket is electrically connected with the optical filter through a wire, the optical filter is electrically connected with the photoelectric conversion unit, the photoelectric conversion unit is electrically connected with the data filtering module, and the data filtering module is electrically connected with the light intensity data acquisition unit.

Further, the color temperature detection button is electrically connected with the light intensity data acquisition unit through a wire.

Further, the brightness detection button is electrically connected with the thermistor sensor through a lead.

Further, the 1k key, the 10k key and the 100k key are electrically connected in parallel with the light emitting diode socket through wires.

Further, the thermistor inductor is electrically connected with a computer internally provided with a CS-80960 singlechip and an RS422 interface.

Further, the thermistor inductor is an NTC thermistor, and the model of the NTC thermistor is MF52103G 3950.

Compared with the prior art, the beneficial effects of the utility model are that:

the color temperature and brightness detection device for the high-precision light-emitting diode is provided with a thermistor inductor for detecting the brightness of the high-precision light-emitting diode according to the principle that the larger the current is and the higher the brightness is in a safe current range according to the same light-emitting diode, so that the detection accuracy can be guaranteed, and the device is safe and reliable.

The high-precision LED color temperature and brightness detection device adopts RGB light intensity to collect the light intensity of the LED, and the connected computer analyzes the filtered light intensity data to obtain corresponding color temperature detection data which is displayed through a display screen, and the detection speed is high.

Drawings

Fig. 1 is a schematic view of the color temperature and brightness detecting device of a high-precision led of the present invention;

fig. 2 is a schematic diagram of a rear view structure of the high-precision led color temperature and brightness detection device of the present invention;

FIG. 3 is a system frame diagram of the color temperature and brightness detecting device of the high-precision LED of the present invention;

fig. 4 is a circuit diagram of the color temperature and brightness detecting device of a high-precision led of the present invention;

FIG. 5 is a circuit diagram of a PNP light-emitting diode driving circuit of the color temperature and brightness detecting device of the high-precision light-emitting diode of the present invention;

fig. 6 is a driving circuit diagram of the NPN transistor of the led of the high-precision led color temperature and brightness detecting device of the present invention.

In the reference symbols: 1-detecting the device body; 2-a display screen; 3-light emitting diode socket; 4-USB socket; 5-power button; 6-color temperature detection button; 7-brightness detection button; a 8-1k bond; 9-10k bonds; a 10-100k bond; 11-thermistor sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a high-precision LED color temperature and brightness detection device comprises a detection device body 1, a display screen 2, an LED socket 3, a USB socket 4, a power button 5, a color temperature detection button 6, a brightness detection button 7, a 1k key 8, a 10k key 9, a 100k key 10 and a thermistor sensor 11, wherein the display screen 2 is arranged on the surface of the detection device body 1, the LED socket 3 is arranged at the top end of the detection device body 1, the USB socket 4 is arranged at the lower end of the right side wall of the detection device body 1, the power button 5, the color temperature detection button 6, the brightness detection button 7, the 1k key 8, the 10k key 9 and the 100k key 10 are sequentially arranged on the left side wall of the detection device body 1 from top to bottom, the thermistor sensor 11 is embedded at the rear part of the detection device body 1, the display screen 2 is electrically connected with a RS422 interface controlled by the USB socket 4 and a computer, the CS-80960 singlechip of the computer generates data and displays the data through the display screen 2; the light emitting diode socket 3 is electrically connected with the optical filter through a wire, the optical filter is electrically connected with the photoelectric conversion unit, the photoelectric conversion unit is electrically connected with the data filtering module, and the data filtering module is electrically connected with the light intensity data acquisition unit. The color temperature detection button 6 is electrically connected with the light intensity data acquisition unit through a wire; the brightness detection button 7 is electrically connected with the thermistor inductor 11 through a lead; the 1k key 8, the 10k key 9 and the 100k key 10 are electrically connected with the light-emitting diode socket 3 in parallel through wires, and resistance value change can be carried out by selecting

different 1k keys

8, 10k keys 9 and 100k keys 10 so as to acquire light intensity change data of the light-emitting diode; the thermistor inductor 11 is electrically connected with a computer internally provided with a CS-80960 singlechip and an RS422 interface; the thermistor inductor 11 is an NTC thermistor, the NTC thermistor is MF52103G 3950 in model, the NTC thermistor adopting the MF52103G 3950 is small in size, does not have a lead wire, is high in response speed, occupies a small space in electronic equipment and is sensitive to temperature induction of the light emitting diode, so that accurate current amount is obtained according to the temperature by calculating corresponding heat, and brightness detection data are generated.

Example 1

Firstly, a light-emitting diode to be detected is inserted into a light-emitting diode socket 3, a CS-80960 single chip microcomputer is inserted into a USB socket 4 through an RS422 interface controlled by a computer, a power supply button 5 is started, a color temperature detection button 6 is selected, a 1k key 8 is selected for data acquisition, strong light data acquired by an optical filter is converted into electric signal data through a photoelectric conversion unit, the electric signal data is screened by a data filtering module, failed data are filtered, data filtering processing is completed through a light intensity data acquisition unit, and finally the CS-80960 single chip microcomputer of the computer performs data generation and storage and transmits the data to a display screen 2 for display and observation.

Example 1

Firstly, a light-emitting diode to be detected is inserted into a light-emitting diode socket 3, a CS-80960 single chip microcomputer is inserted into a USB socket 4 through an RS422 interface controlled by a computer, a power supply button 5 is started, a brightness detection button 7 is selected, a 10k key 9 is selected for data acquisition, the temperature of the light-emitting diode is acquired through a thermistor inductor 11, so that the CS-80960 single chip microcomputer of the computer is used for calculating corresponding heat according to the temperature to obtain the current amount, further, brightness detection data are generated and stored, and the generated data can be displayed and observed by a display screen 2.

The utility model discloses can accurately detect out emitting diode's colour temperature and luminance high-efficiently to can select 1k key, 10k key, 100k key respectively according to the demand of difference, have easy operation, with low costs, advantage that test speed is fast, be applicable to emitting diode's real-time detection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy emitting diode colour temperature luminance detection device, includes detection device body (1), display screen (2), emitting diode socket (3), USB socket (4), power button (5), colour temperature detection button (6), luminance detection button (7), 1k key (8), 10k key (9), 100k key (10) and thermistor inductor (11), its characterized in that: the utility model discloses a detection device, including detection device body (1), LED socket (3), power button (5), colour temperature detection button (6), luminance detection button (7), 1k key (8), 10k key (9), 100k key (10) set gradually in the left side wall of detection device body (1) from top to bottom, thermistor inductor (11) are inlayed in the rear portion of detection device body (1).

2. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the display screen (2) is electrically connected with the computer through the USB socket (4), and the CS-80960 singlechip of the computer generates data and displays the data through the display screen (2).

3. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the light emitting diode socket (3) is electrically connected with the optical filter through a wire, the optical filter is electrically connected with the photoelectric conversion unit, the photoelectric conversion unit is electrically connected with the data filtering module, and the data filtering module is electrically connected with the light intensity data acquisition unit.

4. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the color temperature detection button (6) is electrically connected with the light intensity data acquisition unit through a lead.

5. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the brightness detection button (7) is electrically connected with the thermistor inductor (11) through a lead.

6. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the 1k key (8), the 10k key (9) and the 100k key (10) are electrically connected with the light-emitting diode socket (3) in parallel through wires.

7. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the thermistor sensor (11) is electrically connected with a computer internally provided with a CS-80960 singlechip and an RS422 interface.

8. The device for detecting the color temperature and the brightness of the high-precision light-emitting diode according to claim 1, wherein: the thermistor inductor (11) is an NTC thermistor, and the model of the NTC thermistor is MF52103G 3950.