CN109297687A - LED light system for detecting electrical property and detection method - Google Patents
LED light system for detecting electrical property and detection method Download PDFInfo
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- CN109297687A CN109297687A CN201811432471.4A CN201811432471A CN109297687A CN 109297687 A CN109297687 A CN 109297687A CN 201811432471 A CN201811432471 A CN 201811432471A CN 109297687 A CN109297687 A CN 109297687A
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- heating platform
- temperature
- led component
- electrical property
- led
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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
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The present invention provides a kind of LED light system for detecting electrical property and detection methods, comprising: TEC controller, heating platform, water tank, photoelectric detector；Wherein, TEC controller is electrically connected with heating platform, for controlling the temperature of heating platform；Water tank is connect by water pipe with heating platform, for being quickly cooled down heating platform；Heating platform is placed on an end face of the articles holding table of photoelectric detector, for controlling the operating temperature of LED component to be detected.To realize photoelectric properties of the real-time detection LED component under different steady temperatures, the temperature range of detection is wider, is able to detect photoelectric properties of the LED component under low temperature and high-temperature condition, simulates LED component lighting condition under extreme conditions；Meanwhile also solving the problems, such as that current cooling thermal impact system cooling heating is slow, and be able to detect photoelectric properties of LED component in the case where temperature jump, simulation LED component illuminates photoelectric properties under the conditions of temperature shock.
Description
Technical field
The present invention relates to photoelectric properties detection technique fields, and in particular, to a kind of LED light system for detecting electrical property and inspection
Survey method.
Background technique
Currently, Fluorescence Spectrometer can probe into the letter that aspect is quenched of the spectrum of fluorophor and fluorescence under different temperatures
Breath.But the instrument and detection method for probing into optical property of the LED component at different temperatures and under extreme temperature are still
It has not seen
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of LED light system for detecting electrical property and detections
Method.
In a first aspect, the embodiment of the present invention provides a kind of LED light system for detecting electrical property, comprising: TEC controller, heating
Platform, water tank, photoelectric detector；Wherein, the TEC controller is electrically connected with the heating platform, for controlling the heating
The temperature of platform；The water tank is connect by water pipe with the heating platform, for being quickly cooled down the heating platform；It is described to add
Hot platform is placed on an end face of the articles holding table of the photoelectric detector, for controlling the work temperature of LED component to be detected
Degree.
Optionally, the temperature range of the heating platform is -40 DEG C -150 DEG C.
Optionally, semiconductor temperature difference electric piece is installed in the heating platform, is used for Quick temperature adjustment.
Optionally, the heating platform is metal material.
Optionally, the photoelectric detector is integrating sphere.
Optionally, the surface temperature of the heating platform is uniform, the surface temperature different zones of the heating platform
Between the highest temperature difference be no more than 1 DEG C.
Second aspect, the embodiment of the present invention provide a kind of LED photovoltaic method for testing performance, are applied to any in first aspect
In LED light system for detecting electrical property described in；The described method includes:
LED component to be detected is placed on heating platform；
The LED component to be detected is electrically connected with photoelectric detector；
The operating temperature of the LED component to be detected is set by TEC controller；
The TEC controller obtains the real time temperature of heating platform, hair by the temperature sensor being arranged in heating platform
Control instruction is sent, so that the heating platform reaches and maintains the operating temperature of the LED component to be detected；
The photoelectric detector is opened, the photoelectric properties detection of the LED component to be detected is carried out.
Compared with prior art, the present invention have it is following the utility model has the advantages that
Photoelectric properties of the real-time detection LED component under different steady temperatures, the temperature model of detection may be implemented in the present invention
Enclose wider, be able to detect photoelectric properties of the LED component under low temperature and high-temperature condition, simulation LED component under extreme conditions according to
Obviously condition；Meanwhile also solving the problems, such as that current cooling thermal impact system cooling heating is slow, and be able to detect LED component in temperature
Photoelectric properties in the case where degree mutation, simulation LED component illuminate photoelectric properties under the conditions of temperature shock.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram for the LED light system for detecting electrical property that present invention implementation provides；
Fig. 2 is the structural schematic diagram for the photoelectric detector that present invention implementation provides；
Fig. 3 is the structural schematic diagram for the heating platform that present invention implementation provides；
Fig. 4 is the flow chart for the LED photovoltaic method for testing performance that present invention implementation provides.
In figure, 10- water tank, 20-TEC controller, 30- photoelectric detector, 31- articles holding table, 40- heating platform, 41- conductor
Thermoelectric piece.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
Fig. 1 is the structural schematic diagram for the LED light system for detecting electrical property that present invention implementation provides, and Fig. 2 is that the present invention is implemented
The structural schematic diagram of the photoelectric detector of offer, Fig. 3 are the structural schematic diagram for the heating platform that present invention implementation provides.Such as Fig. 1-
Shown in Fig. 3, the embodiment of the present invention provides a kind of LED light system for detecting electrical property, comprising: TEC controller 20, heating platform 40,
Water tank 10, photoelectric detector 30；Wherein, TEC controller 20 is electrically connected with heating platform 40, for controlling the temperature of heating platform 40
Degree；Water tank 10 is connect by water pipe with heating platform 40, for being quickly cooled down heating platform 40；Heating platform 40 is placed in photoelectricity
On one end face of the articles holding table 31 of detector 30, for controlling the operating temperature of LED component to be detected.
Optionally, the temperature range of heating platform 40 is -40 DEG C -150 DEG C.
Optionally, semiconductor temperature difference electric piece 41 is installed in heating platform 40, is used for Quick temperature adjustment.
Optionally, heating platform 40 is metal material.
Optionally, photoelectric detector 30 is integrating sphere.
Optionally, the surface temperature of heating platform 40 is uniform, between the surface temperature different zones of heating platform 40
The highest temperature difference be no more than 1 DEG C.
Fig. 4 is the flow chart for the LED photovoltaic method for testing performance that present invention implementation provides, as shown in figure 4, in the present embodiment
Method may include:
S101, LED component to be detected is placed on heating platform.
S102, LED component to be detected is electrically connected with photoelectric detector.
S103, the operating temperature that LED component to be detected is set by TEC controller.
S104, TEC controller obtain the real time temperature of heating platform, hair by the temperature sensor being arranged in heating platform
Control instruction is sent, so that heating platform reaches and maintains the operating temperature of LED component to be detected.
S105, photoelectric detector is opened, carries out the photoelectric properties detection of LED component to be detected.
In a kind of possible application scenarios, executed according to step S101, S102, S103, S104, S105 step, it can be with
Realize the photoelectric properties of detection LED component at a constant temperature.It, can be with such as when by TEC controller set temperature being 20 DEG C
Detect the photoelectric properties of the LED component under 20 DEG C of working environments.It is adjusted by the temperature value that TEC controller is set, it can be real-time
Photoelectric properties of LED component at a temperature of different operating are detected, it is simple to operate.Also can be set temperature value be -40 DEG C or
150 DEG C, to detect photoelectric properties of the LED component under low temperature or high-temperature condition, simulation LED component illuminates under extreme conditions
Situation.
In alternatively possible application scenarios, it is being executed according to step S101, S102, S103, S104, S105 step
Afterwards, recycling executes the working environment that S103, S104 change LED component, and detection LED component may be implemented in the feelings of temperature change
Photoelectric properties under condition.By the temperature value variation of setting and the speed of temperature value variation, detection LED component may be implemented
Photoelectric properties in the case where temperature jump also can detecte photoelectric properties of LED component in the case where temperature ramp.Example
Such as, when by TEC controller set temperature being for the first time 80 DEG C, then set temperature is set as 10 DEG C by open detection, utilize
The liquid of water tank is rapidly cooled heating station, realizes the feelings that detection LED component is mutated by 80 DEG C to 10 DEG C in temperature
Photoelectric properties under condition.The present invention solves the problems, such as that current cooling thermal impact system cooling heating is slow, and is able to detect LED device
Photoelectric properties of part in the case where temperature jump simulate photoelectric properties of LED component under the conditions of temperature shock
Photoelectric properties of the real-time detection LED component under different steady temperatures, the temperature model of detection may be implemented in the present invention
Enclose wider, be able to detect photoelectric properties of the LED component under low temperature and high-temperature condition, simulation LED component under extreme conditions according to
Obviously condition；Meanwhile also solving the problems, such as that current cooling thermal impact system cooling heating is slow, and be able to detect LED component in temperature
Photoelectric properties in the case where degree mutation, simulation LED component illuminate photoelectric properties under the conditions of temperature shock.
It should be noted that the step in LED photovoltaic method for testing performance provided by the invention, it is right in system to can use
Module, device, unit for answering etc. are achieved, and those skilled in the art are referred to the step of the technical solution implementation method of system
Rapid process, that is, the embodiment in system can be regarded as the preference of implementation method, and it will not be described here.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (7)
1. a kind of LED light system for detecting electrical property characterized by comprising TEC controller, heating platform, water tank, photoelectricity inspection
Survey instrument；Wherein, the TEC controller is electrically connected with the heating platform, for controlling the temperature of the heating platform；The water
Case is connect by water pipe with the heating platform, for being quickly cooled down the heating platform；The heating platform is placed in described
On one end face of the articles holding table of photoelectric detector, for controlling the operating temperature of LED component to be detected.
2. LED light system for detecting electrical property according to claim 1, which is characterized in that the temperature model of the heating platform
Enclose is -40 DEG C -150 DEG C.
3. LED light system for detecting electrical property according to claim 1, which is characterized in that installation half in the heating platform
Conductor thermoelectric piece is used for Quick temperature adjustment.
4. LED light system for detecting electrical property according to claim 1, which is characterized in that the heating platform is metal material
Material.
5. LED light system for detecting electrical property according to claim 1, which is characterized in that the photoelectric detector is integral
Ball.
6. LED light system for detecting electrical property according to claim 1, which is characterized in that the surface temperature of the heating platform
Degree is that uniformly, the highest temperature difference between the surface temperature different zones of the heating platform is no more than 1 DEG C.
7. a kind of LED photovoltaic method for testing performance, which is characterized in that be applied to LED light of any of claims 1-6
In system for detecting electrical property；The described method includes:
LED component to be detected is placed on heating platform；
The LED component to be detected is electrically connected with photoelectric detector；
The operating temperature of the LED component to be detected is set by TEC controller；
The TEC controller obtains the real time temperature of heating platform by the temperature sensor being arranged in heating platform, sends control
System instruction, so that the heating platform reaches and maintains the operating temperature of the LED component to be detected；
The photoelectric detector is opened, the photoelectric properties detection of the LED component to be detected is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432471.4A CN109297687A (en) | 2018-11-27 | 2018-11-27 | LED light system for detecting electrical property and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432471.4A CN109297687A (en) | 2018-11-27 | 2018-11-27 | LED light system for detecting electrical property and detection method |
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| CN109297687A true CN109297687A (en) | 2019-02-01 |
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| CN106596072A (en) * | 2016-12-27 | 2017-04-26 | 东莞勤上光电股份有限公司 | LED light source flickering detector |
| CN107015134A (en) * | 2017-05-23 | 2017-08-04 | 山东大学 | A kind of test system of LED light Electrothermal Properties and its application |
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2018
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110883Y (en) * | 2007-12-05 | 2008-09-03 | 杭州浙大三色仪器有限公司 | Semiconductor lighting device thermal performance measuring apparatus |
| CN201133928Y (en) * | 2007-12-10 | 2008-10-15 | 杭州浙大三色仪器有限公司 | Temperature controlling stand for measuring semiconductor lighting device |
| CN201788077U (en) * | 2010-07-26 | 2011-04-06 | 中国电子科技集团公司第十八研究所 | Device for temperature tests of small-size photoelectric products |
| CN102288543A (en) * | 2011-07-28 | 2011-12-21 | 深圳中科光华科技有限公司 | Light-emitting diode (LED) display screen module detection device and method |
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| CN105486491A (en) * | 2016-01-20 | 2016-04-13 | 广州广电计量检测股份有限公司 | LED light parameter test device and test method |
| CN106199371A (en) * | 2016-10-11 | 2016-12-07 | 厦门大学 | Alternating-current pulse is utilized to measure the resistance of AC LED heat and the method and device of junction temperature |
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Application publication date: 20190201 |